source: trunk/gui/scripts/mapviewer.tcl @ 6224

Last change on this file since 6224 was 6224, checked in by ldelgass, 9 years ago

Add client support for feature selection set add/delete/set.

File size: 113.2 KB
Line 
1# -*- mode: tcl; indent-tabs-mode: nil -*-
2# ----------------------------------------------------------------------
3#  COMPONENT: mapviewer - Map object viewer
4#
5#  It connects to the GeoVis server running on a rendering farm,
6#  transmits data, and displays the results.
7# ======================================================================
8#  AUTHOR:  Michael McLennan, Purdue University
9#  Copyright (c) 2004-2016  HUBzero Foundation, LLC
10#
11#  See the file "license.terms" for information on usage and
12#  redistribution of this file, and for a DISCLAIMER OF ALL WARRANTIES.
13# ======================================================================
14package require Itk
15package require BLT
16#package require Img
17
18option add *MapViewer.width 4i widgetDefault
19option add *MapViewer*cursor crosshair widgetDefault
20option add *MapViewer.height 4i widgetDefault
21option add *MapViewer.foreground black widgetDefault
22option add *MapViewer.controlBackground gray widgetDefault
23option add *MapViewer.controlDarkBackground #999999 widgetDefault
24option add *MapViewer.plotBackground black widgetDefault
25option add *MapViewer.plotForeground white widgetDefault
26option add *MapViewer.font \
27    -*-helvetica-medium-r-normal-*-12-* widgetDefault
28
29# must use this name -- plugs into Rappture::resources::load
30proc MapViewer_init_resources {} {
31    Rappture::resources::register \
32        geovis_server Rappture::MapViewer::SetServerList
33}
34
35itcl::class Rappture::MapViewer {
36    inherit Rappture::VisViewer
37
38    itk_option define -plotforeground plotForeground Foreground ""
39    itk_option define -plotbackground plotBackground Background ""
40
41    constructor { args } {
42        Rappture::VisViewer::constructor
43    } {
44        # defined below
45    }
46    destructor {
47        # defined below
48    }
49    public proc SetServerList { namelist } {
50        Rappture::VisViewer::SetServerList "geovis" $namelist
51    }
52    public method add {dataobj {settings ""}}
53    public method camera {option args}
54    public method delete {args}
55    public method disconnect {}
56    public method download {option args}
57    public method get {args}
58    public method isconnected {}
59    public method parameters {title args} { # do nothing }
60    public method scale {args}
61    public method select {option {args ""}}
62    public method setSelectCallback {cmd}
63
64    private method KeyPress { key }
65    private method KeyRelease { key }
66    private method MouseClick { button x y }
67    private method MouseDoubleClick { button x y }
68    private method MouseDrag { button x y }
69    private method MouseMotion {}
70    private method MouseRelease { button x y }
71    private method MouseScroll { direction }
72
73    # The following methods are only used by this class.
74    private method AdjustSetting {what {value ""}}
75    private method BuildCameraTab {}
76    private method BuildDownloadPopup { widget command }
77    private method BuildHelpTab {}
78    private method BuildLayerTab {}
79    private method BuildMapTab {}
80    private method BuildTerrainTab {}
81    private method BuildViewpointsTab {}
82    private method Camera {option args}
83    private method Connect {}
84    private method CurrentLayers {args}
85    private method DisablePanningMouseBindings {}
86    private method DisableRotationMouseBindings {}
87    private method DisableZoomMouseBindings {}
88    private method Disconnect {}
89    private method DoPan {}
90    private method DoResize {}
91    private method DoRotate {}
92    private method DoSelect {}
93    private method DoSelectCallback {option {args ""}}
94    private method DrawLegend { colormap min max }
95    private method EnablePanningMouseBindings {}
96    private method EnableRotationMouseBindings {}
97    private method EnableZoomMouseBindings {}
98    private method EventuallyHandleMotionEvent { x y }
99    private method EventuallyPan { dx dy }
100    private method EventuallyResize { w h }
101    private method EventuallyRotate { dx dy }
102    private method EventuallySelect { x y }
103    private method GetImage { args }
104    private method GetNormalizedMouse { x y }
105    private method GoToViewpoint { dataobj viewpoint }
106    private method InitSettings { args  }
107    private method MapIsGeocentric {}
108    private method Pan {option x y}
109    private method Pin {option x y}
110    private method Rebuild {}
111    private method ReceiveImage { args }
112    private method ReceiveLegend { args }
113    private method ReceiveMapInfo { args }
114    private method ReceiveScreenInfo { args }
115    private method ReceiveSelect { option {args ""} }
116    private method RequestLegend { colormap w h }
117    private method Rotate {option x y}
118    private method Select {option x y}
119    private method SendFiles { path }
120    private method SendStylesheetFiles { stylesheet }
121    private method SetHeading { {value 0} }
122    private method SetLayerOpacity { dataobj layer {value 100} }
123    private method SetLayerStyle { dataobj layer }
124    private method SetLayerVisibility { dataobj layer }
125    private method SetPitch { {value -89.999} }
126    private method SetTerrainStyle { style }
127    private method ToggleGrid {}
128    private method ToggleLighting {}
129    private method ToggleWireframe {}
130    private method UpdateLayerControls {}
131    private method UpdateViewpointControls {}
132    private method Zoom {option {x 0} {y 0}}
133
134    private variable _layersFrame "";     # Name of layers frame widget
135    private variable _viewpointsFrame ""; # Name of viewpoints frame widget
136    private variable _mapsettings;        # Global map settings
137
138    private variable _dlist "";         # list of data objects
139    private variable _hidden "";        # list of hidden data objects
140    private variable _obj2ovride;       # maps dataobj => style override
141    private variable _layers;           # Contains the names of all the
142                                        # layers in the server.
143    private variable _viewpoints;
144    private variable _selectCallback "";
145    private variable _click;            # info used for rotate operations
146    private variable _view;             # view params for 3D view
147    private variable _pan;
148    private variable _rotate;
149    private variable _select;
150    private variable _motion;
151    private variable _settings
152    private variable _opacity
153    private variable _visibility
154    private variable _reset 1;          # Indicates that server was reset and
155                                        # needs to be reinitialized.
156    private variable _initCamera 1;
157
158    private variable _first "";         # This is the topmost dataset.
159    private variable _start 0
160    private variable _title ""
161
162    private variable _width 0
163    private variable _height 0
164    private variable _resizePending 0
165    private variable _useSidebar 1
166    private variable _useServerManip 0
167    private variable _labelCount 0
168    private variable _b1mode "pan"
169
170    private common _downloadPopup;      # download options from popup
171    private common _hardcopy
172}
173
174itk::usual MapViewer {
175    keep -background -foreground -cursor -font
176    keep -plotbackground -plotforeground
177}
178
179# ----------------------------------------------------------------------
180# CONSTRUCTOR
181# ----------------------------------------------------------------------
182itcl::body Rappture::MapViewer::constructor {args} {
183    set _serverType "geovis"
184
185    #DebugOn
186    EnableWaitDialog 900
187
188    if { [catch {
189
190    # Rebuild event
191    $_dispatcher register !rebuild
192    $_dispatcher dispatch $this !rebuild "[itcl::code $this Rebuild]; list"
193
194    # Resize event
195    $_dispatcher register !resize
196    $_dispatcher dispatch $this !resize "[itcl::code $this DoResize]; list"
197
198    # Pan event
199    $_dispatcher register !pan
200    $_dispatcher dispatch $this !pan "[itcl::code $this DoPan]; list"
201
202    # Rotate event
203    $_dispatcher register !rotate
204    $_dispatcher dispatch $this !rotate "[itcl::code $this DoRotate]; list"
205
206    # Select event
207    $_dispatcher register !select
208    $_dispatcher dispatch $this !select "[itcl::code $this DoSelect]; list"
209
210    # <Motion> event
211    $_dispatcher register !motion
212    $_dispatcher dispatch $this !motion "[itcl::code $this MouseMotion]; list"
213
214    #
215    # Populate parser with commands handle incoming requests
216    #
217    $_parser alias image    [itcl::code $this ReceiveImage]
218    $_parser alias legend   [itcl::code $this ReceiveLegend]
219    $_parser alias map      [itcl::code $this ReceiveMapInfo]
220    $_parser alias camera   [itcl::code $this Camera]
221    $_parser alias screen   [itcl::code $this ReceiveScreenInfo]
222    $_parser alias select   [itcl::code $this ReceiveSelect]
223
224    # Settings for mouse motion events: these are required
225    # to update the Lat/Long coordinate display
226    array set _motion {
227        compress        1
228        delay           100
229        enable          1
230        pending         0
231        x               0
232        y               0
233    }
234    array set _pan {
235        compress        1
236        delay           100
237        pending         0
238        x               0
239        y               0
240    }
241    array set _rotate {
242        azimuth         0
243        compress        1
244        delay           100
245        elevation       0
246        pending         0
247    }
248    array set _select {
249        compress        1
250        delay           100
251        pending         0
252        x               0
253        y               0
254    }
255    # This array holds the Viewpoint parameters that the
256    # server sends on "camera get".
257    array set _view {
258        distance        1.0
259        heading         0.0
260        pitch           -89.9
261        srs             ""
262        verticalDatum   ""
263        x               0.0
264        y               0.0
265        z               0.0
266    }
267
268    # Note: grid types are "shader", "geodetic", "utm" and "mgrs"
269    # Currently only work in geocentric maps
270    array set _settings [subst {
271        camera-throw           0
272        coords-precision       5
273        coords-units           "latlong_decimal_degrees"
274        coords-visible         1
275        grid                   0
276        grid-type              "shader"
277        terrain-ambient        0.03
278        terrain-edges          0
279        terrain-lighting       0
280        terrain-vertscale      1.0
281        terrain-wireframe      0
282        time                   12
283    }]
284
285    set _settings(time) [clock format [clock seconds] -format %k -gmt 1]
286
287    if {!$_useSidebar} {
288        destroy $itk_component(main)
289        itk_component add main {
290            frame $itk_interior.main
291        }
292        pack $itk_component(main) -expand yes -fill both
293        itk_component add plotarea {
294            frame $itk_component(main).plotarea -highlightthickness 0 -background black
295        } {
296            ignore -background
297        }
298        pack $itk_component(plotarea) -expand yes -fill both
299    }
300
301    DebugTrace "main: [winfo class $itk_component(main)]"
302    itk_component add view {
303        canvas $itk_component(plotarea).view \
304            -highlightthickness 0 -borderwidth 0
305    } {
306        usual
307        ignore -highlightthickness -borderwidth  -background
308    }
309
310    set c $itk_component(view)
311    bind $c <Enter> "focus %W"
312    bind $c <Control-F1> [itcl::code $this ToggleConsole]
313
314    # Fix the scrollregion in case we go off screen
315    $c configure -scrollregion [$c bbox all]
316
317    set _map(id) [$c create image 0 0 -anchor nw -image $_image(plot)]
318    set _map(cwidth) -1
319    set _map(cheight) -1
320    set _map(zoom) 1.0
321    set _map(original) ""
322
323    if {$_useSidebar} {
324        set f [$itk_component(main) component controls]
325        itk_component add reset {
326            button $f.reset -borderwidth 1 -padx 1 -pady 1 \
327                -highlightthickness 0 \
328                -image [Rappture::icon reset-view] \
329                -command [itcl::code $this Camera reset]
330        } {
331            usual
332            ignore -highlightthickness
333        }
334        pack $itk_component(reset) -side top -padx 2 -pady 2
335        Rappture::Tooltip::for $itk_component(reset) \
336            "Reset the view to the default zoom level"
337
338        itk_component add zoomin {
339            button $f.zin -borderwidth 1 -padx 1 -pady 1 \
340                -highlightthickness 0 \
341                -image [Rappture::icon zoom-in] \
342                -command [itcl::code $this Zoom in]
343        } {
344            usual
345            ignore -highlightthickness
346        }
347        pack $itk_component(zoomin) -side top -padx 2 -pady 2
348        Rappture::Tooltip::for $itk_component(zoomin) "Zoom in"
349
350        itk_component add zoomout {
351            button $f.zout -borderwidth 1 -padx 1 -pady 1 \
352                -highlightthickness 0 \
353                -image [Rappture::icon zoom-out] \
354                -command [itcl::code $this Zoom out]
355        } {
356            usual
357            ignore -highlightthickness
358        }
359        pack $itk_component(zoomout) -side top -padx 2 -pady 2
360        Rappture::Tooltip::for $itk_component(zoomout) "Zoom out"
361    }
362
363    if {$_useSidebar} {
364        BuildLayerTab
365        BuildViewpointsTab
366        BuildMapTab
367        BuildTerrainTab
368        BuildCameraTab
369        BuildHelpTab
370    }
371
372    # Hack around the Tk panewindow.  The problem is that the requested
373    # size of the 3d view isn't set until an image is retrieved from
374    # the server.  So the panewindow uses the tiny size.
375    pack forget $itk_component(view)
376    blt::table $itk_component(plotarea) \
377        0,0 $itk_component(view) -fill both -reqwidth 10000
378    blt::table configure $itk_component(plotarea) c1 -resize none
379
380    bind $itk_component(view) <Configure> \
381        [itcl::code $this EventuallyResize %w %h]
382
383    set _useServerManip 1
384    EnablePanningMouseBindings
385    EnableRotationMouseBindings
386    EnableZoomMouseBindings
387    set _useServerManip 0
388
389    if {$_useServerManip} {
390        # Bindings for keyboard events
391        bind $itk_component(view) <KeyPress> \
392            [itcl::code $this KeyPress %N]
393        bind $itk_component(view) <KeyRelease> \
394            [itcl::code $this KeyRelease %N]
395
396        # Zoom to point
397        bind $itk_component(view) <Double-1> \
398            [itcl::code $this MouseDoubleClick 1 %x %y]
399        bind $itk_component(view) <Double-3> \
400            [itcl::code $this MouseDoubleClick 3 %x %y]
401
402        # Unused
403        bind $itk_component(view) <Double-2> \
404            [itcl::code $this MouseDoubleClick 2 %x %y]
405
406        # Binding for mouse motion events
407        if {$_motion(enable)} {
408            bind $itk_component(view) <Motion> \
409                [itcl::code $this EventuallyHandleMotionEvent %x %y]
410        }
411    } else {
412        # Zoom to point
413        bind $itk_component(view) <Double-1> \
414            [itcl::code $this Camera go %x %y 0.4]
415        # Travel to point (no zoom)
416        bind $itk_component(view) <Shift-Double-1> \
417            [itcl::code $this Camera go %x %y 1.0]
418        # Zoom out centered on point
419        bind $itk_component(view) <Double-3> \
420            [itcl::code $this Camera go %x %y 2.5]
421
422        # Pin placemark annotations
423        bind $itk_component(view) <Control-ButtonPress-1> \
424            [itcl::code $this Pin add %x %y]
425        bind $itk_component(view) <Control-ButtonPress-3> \
426            [itcl::code $this Pin delete %x %y]
427
428        # Draw selection rectangle
429        bind $itk_component(view) <Shift-ButtonPress-1> \
430            [itcl::code $this Select click %x %y]
431        bind $itk_component(view) <B1-Motion> \
432            +[itcl::code $this Select drag %x %y]
433        bind $itk_component(view) <Shift-ButtonRelease-1> \
434            [itcl::code $this Select release %x %y]
435
436        # Update coordinate readout
437        bind $itk_component(view) <ButtonPress-1> \
438            +[itcl::code $this SendCmd "map setpos %x %y"]
439        bind $itk_component(view) <Double-3> \
440            +[itcl::code $this SendCmd "map setpos %x %y"]
441
442        # Bindings for panning via keyboard
443        bind $itk_component(view) <KeyPress-Left> \
444            [itcl::code $this Pan set 10 0]
445        bind $itk_component(view) <KeyPress-Right> \
446            [itcl::code $this Pan set -10 0]
447        bind $itk_component(view) <KeyPress-Up> \
448            [itcl::code $this Pan set 0 -10]
449        bind $itk_component(view) <KeyPress-Down> \
450            [itcl::code $this Pan set 0 10]
451
452        bind $itk_component(view) <Shift-KeyPress-Left> \
453            [itcl::code $this Pan set 2 0]
454        bind $itk_component(view) <Shift-KeyPress-Right> \
455            [itcl::code $this Pan set -2 0]
456        bind $itk_component(view) <Shift-KeyPress-Up> \
457            [itcl::code $this Pan set 0 -2]
458        bind $itk_component(view) <Shift-KeyPress-Down> \
459            [itcl::code $this Pan set 0 2]
460
461        # Bindings for rotation via keyboard
462        bind $itk_component(view) <Control-Left> \
463            [itcl::code $this Rotate set 10 0]
464        bind $itk_component(view) <Control-Right> \
465            [itcl::code $this Rotate set -10 0]
466        bind $itk_component(view) <Control-Up> \
467            [itcl::code $this Rotate set 0 -10]
468        bind $itk_component(view) <Control-Down> \
469            [itcl::code $this Rotate set 0 10]
470
471        bind $itk_component(view) <Control-Shift-Left> \
472            [itcl::code $this Rotate set 2 0]
473        bind $itk_component(view) <Control-Shift-Right> \
474            [itcl::code $this Rotate set -2 0]
475        bind $itk_component(view) <Control-Shift-Up> \
476            [itcl::code $this Rotate set 0 -2]
477        bind $itk_component(view) <Control-Shift-Down> \
478            [itcl::code $this Rotate set 0 2]
479
480        # Bindings for zoom via keyboard
481        bind $itk_component(view) <KeyPress-Prior> \
482            [itcl::code $this Zoom out]
483        bind $itk_component(view) <KeyPress-Next> \
484            [itcl::code $this Zoom in]
485        bind $itk_component(view) <KeyPress-Home> \
486            [itcl::code $this Camera reset]
487
488        # Keyboard shortcuts
489        # Reset heading to North
490        bind $itk_component(view) <n> \
491            [itcl::code $this SetHeading]
492        # Reset pitch to top-down (2D) view
493        bind $itk_component(view) <p> \
494            [itcl::code $this SetPitch]
495        bind $itk_component(view) <g> \
496            [itcl::code $this ToggleGrid]
497        bind $itk_component(view) <l> \
498            [itcl::code $this ToggleLighting]
499        bind $itk_component(view) <w> \
500            [itcl::code $this ToggleWireframe]
501
502        # Binding for mouse motion events
503        set _motion(compress) 1
504        if {$_motion(enable)} {
505            bind $itk_component(view) <Motion> \
506                [itcl::code $this EventuallyHandleMotionEvent %x %y]
507        }
508        #bind $itk_component(view) <Motion> \
509        #    +[itcl::code $this SendCmd "map pin hover %x %y"]
510    }
511
512    bind $itk_component(view) <Enter> "focus $itk_component(view)"
513
514    if {[string equal "x11" [tk windowingsystem]]} {
515        # Bindings for zoom via mouse
516        if {$_useServerManip} {
517            bind $itk_component(view) <4> [itcl::code $this MouseScroll up]
518            bind $itk_component(view) <5> [itcl::code $this MouseScroll down]
519        } else {
520            bind $itk_component(view) <4> [itcl::code $this Zoom out]
521            bind $itk_component(view) <5> [itcl::code $this Zoom in]
522        }
523    }
524
525    set _image(download) [image create photo]
526
527    eval itk_initialize $args
528    Connect
529} errs] != 0 } {
530        puts stderr errs=$errs
531    }
532}
533
534# ----------------------------------------------------------------------
535# DESTRUCTOR
536# ----------------------------------------------------------------------
537itcl::body Rappture::MapViewer::destructor {} {
538    Disconnect
539    $_dispatcher cancel !rebuild
540    $_dispatcher cancel !resize
541    $_dispatcher cancel !rotate
542    image delete $_image(plot)
543    image delete $_image(download)
544}
545
546itcl::body Rappture::MapViewer::DoResize {} {
547    set sendResize 1
548    if { $_width < 2 } {
549        set _width 500
550        set sendResize 0
551    }
552    if { $_height < 2 } {
553        set _height 500
554        set sendResize 0
555    }
556    #set _start [clock clicks -milliseconds]
557    if {$sendResize} {
558        SendCmd "screen size $_width $_height"
559    }
560    set _resizePending 0
561}
562
563itcl::body Rappture::MapViewer::DoRotate {} {
564    SendCmd "camera rotate $_rotate(azimuth) $_rotate(elevation)"
565    set _rotate(azimuth) 0
566    set _rotate(elevation) 0
567    set _rotate(pending) 0
568}
569
570itcl::body Rappture::MapViewer::DoSelect {} {
571    SendCmd "map box update $_select(x) $_select(y)"
572    set _select(x) 0
573    set _select(y) 0
574    set _select(pending) 0
575}
576
577itcl::body Rappture::MapViewer::EventuallyResize { w h } {
578    set _width $w
579    set _height $h
580    if { !$_resizePending } {
581        set _resizePending 1
582        $_dispatcher event -after 200 !resize
583    }
584}
585
586itcl::body Rappture::MapViewer::DoPan {} {
587    SendCmd "camera pan $_pan(x) $_pan(y)"
588    set _pan(x) 0
589    set _pan(y) 0
590    set _pan(pending) 0
591}
592
593itcl::body Rappture::MapViewer::EventuallyPan { dx dy } {
594    set _pan(x) [expr $_pan(x) + $dx]
595    set _pan(y) [expr $_pan(y) + $dy]
596    if { !$_pan(compress) } {
597        DoPan
598        return
599    }
600    if { !$_pan(pending) } {
601        set _pan(pending) 1
602        $_dispatcher event -after $_pan(delay) !pan
603    }
604}
605
606itcl::body Rappture::MapViewer::EventuallyRotate { dx dy } {
607    set _rotate(azimuth) [expr $_rotate(azimuth) + $dx]
608    set _rotate(elevation) [expr $_rotate(elevation) + $dy]
609    if { !$_rotate(compress) } {
610        DoRotate
611        return
612    }
613    if { !$_rotate(pending) } {
614        set _rotate(pending) 1
615        $_dispatcher event -after $_rotate(delay) !rotate
616    }
617}
618
619itcl::body Rappture::MapViewer::EventuallySelect { x y } {
620    set _select(x) $x
621    set _select(y) $y
622    if { !$_select(compress) } {
623        DoSelect
624        return
625    }
626    if { !$_select(pending) } {
627        set _select(pending) 1
628        $_dispatcher event -after $_select(delay) !select
629    }
630}
631
632itcl::body Rappture::MapViewer::DrawLegend { colormap min max } {
633    if { [info exists itk_component(legend-$colormap) ] } {
634        $itk_component(legend-$colormap-min) configure -text $min
635        $itk_component(legend-$colormap-max) configure -text $max
636        $itk_component(legend-$colormap) configure -image $_image(legend-$colormap)
637    }
638}
639
640itcl::body Rappture::MapViewer::RequestLegend { colormap w h } {
641    SendCmd "legend $colormap $w $h 0 [Color2RGB #d9d9d9]"
642}
643
644# ----------------------------------------------------------------------
645# USAGE: add <dataobj> ?<settings>?
646#
647# Clients use this to add a data object to the plot.  The optional
648# <settings> are used to configure the plot.  Allowed settings are
649# -color, -brightness, -width, -linestyle, and -raise.
650# ----------------------------------------------------------------------
651itcl::body Rappture::MapViewer::add {dataobj {settings ""}} {
652    DebugTrace "Enter"
653    array set params {
654        -brightness 0
655        -color auto
656        -description ""
657        -linestyle solid
658        -param ""
659        -raise 0
660        -simulation 0
661        -type ""
662        -width 1
663    }
664    array set params $settings
665    set params(-description) ""
666    set params(-param) ""
667    array set params $settings
668
669    if {$params(-color) == "auto" || $params(-color) == "autoreset"} {
670        # can't handle -autocolors yet
671        set params(-color) black
672    }
673    # Add to display list
674    set pos [lsearch -exact $_dlist $dataobj]
675    if {$pos < 0} {
676        #if {[llength $_dlist] > 0} {
677        #    error "Can't add more than 1 map to mapviewer"
678        #}
679        lappend _dlist $dataobj
680    }
681    # Remove from hidden list
682    set pos [lsearch -exact $_hidden $dataobj]
683    if {$pos >= 0} {
684        set _hidden [lreplace $_hidden $pos $pos]
685    }
686    set _obj2ovride($dataobj-raise) $params(-raise)
687    $_dispatcher event -idle !rebuild
688}
689
690# ----------------------------------------------------------------------
691# USAGE: delete ?<dataobj1> <dataobj2> ...?
692#
693# Clients use this to delete a dataobj from the plot.  If no dataobjs
694# are specified, then all dataobjs are deleted.  No data objects are
695# deleted.  They are only removed from the display list.
696# ----------------------------------------------------------------------
697itcl::body Rappture::MapViewer::delete {args} {
698    DebugTrace "Enter"
699    if { [llength $args] == 0} {
700        set args $_dlist
701    }
702    # Delete all specified dataobjs
703    set changed 0
704    foreach dataobj $args {
705        set pos [lsearch -exact $_dlist $dataobj]
706        if { $pos < 0 } {
707            continue;                   # Don't know anything about it.
708        }
709        # Remove it from the dataobj list.
710        set _dlist [lreplace $_dlist $pos $pos]
711        # Add to hidden list
712        set pos [lsearch -exact $_hidden $dataobj]
713        if {$pos < 0} {
714            lappend _hidden $dataobj
715        }
716        array unset _obj2ovride $dataobj-*
717        set changed 1
718    }
719    # If anything changed, then rebuild the plot
720    if { $changed } {
721        $_dispatcher event -idle !rebuild
722    }
723}
724
725# ----------------------------------------------------------------------
726# USAGE: get ?-objects?
727# USAGE: get ?-visible?
728# USAGE: get ?-image view?
729# USAGE: get ?-image legend <dataobj> <layer>?
730#
731# Clients use this to query the list of objects being plotted, in
732# order from bottom to top of this result.  The optional "-image"
733# flag can also request the internal images being shown.
734# ----------------------------------------------------------------------
735itcl::body Rappture::MapViewer::get {args} {
736    if {[llength $args] == 0} {
737        set args "-objects"
738    }
739
740    set op [lindex $args 0]
741    switch -- $op {
742        "-objects" {
743            # put the dataobj list in order according to -raise options
744            set dlist {}
745            foreach dataobj $_dlist {
746                if { ![$dataobj isvalid] } {
747                    continue
748                }
749                if {[info exists _obj2ovride($dataobj-raise)] &&
750                    $_obj2ovride($dataobj-raise)} {
751                    set dlist [linsert $dlist 0 $dataobj]
752                } else {
753                    lappend dlist $dataobj
754                }
755            }
756            return $dlist
757        }
758        "-hidden" {
759            set dlist {}
760            foreach dataobj $_hidden {
761                if { [info commands $dataobj] != $dataobj } {
762                    # dataobj was deleted, remove from list
763                    set pos [lsearch -exact $_hidden $dataobj]
764                    if {$pos >= 0} {
765                        set _hidden [lreplace $_hidden $pos $pos]
766                    }
767                    continue
768                }
769                if { ![$dataobj isvalid] } {
770                    continue
771                }
772                if { [info exists _obj2ovride($dataobj-raise)] } {
773                    puts stderr "ERROR: object on hidden list is visible"
774                }
775                lappend dlist $dataobj
776            }
777            return $dlist
778        }
779        "-visible" {
780            set dlist {}
781            foreach dataobj $_dlist {
782                if { ![$dataobj isvalid] } {
783                    continue
784                }
785                if { ![info exists _obj2ovride($dataobj-raise)] } {
786                    # No setting indicates that the object isn't visible.
787                    continue
788                }
789                # Otherwise use the -raise parameter to put the object to
790                # the front of the list.
791                if { $_obj2ovride($dataobj-raise) } {
792                    set dlist [linsert $dlist 0 $dataobj]
793                } else {
794                    lappend dlist $dataobj
795                }
796            }
797            return $dlist
798        }
799        -image {
800            if {[llength $args] < 2} {
801                error "wrong # args: should be \"get -image view|legend\""
802            }
803            switch -- [lindex $args 1] {
804                legend {
805                    if {[llength $args] < 4} {
806                        error "wrong # args: should be \"get -image legend <dataobj> <layer>\""
807                    }
808                    set dataobj [lindex $args 2]
809                    set layer [lindex $args 3]
810                    set colormap $layer
811                    if {![$dataobj layer $layer shared]} {
812                        set colormap $dataobj-$layer
813                        set colormap "[regsub -all {::} ${colormap} {}]"
814                    }
815                    return $_image(legend-$colormap)
816                }
817                view {
818                    return $_image(plot)
819                }
820                default {
821                    error "bad image name \"[lindex $args 1]\": should be view|legend"
822                }
823            }
824        }
825        default {
826            error "bad option \"$op\": should be -objects, -hidden, -visible or -image"
827        }
828    }
829}
830
831itcl::body Rappture::MapViewer::MapIsGeocentric {} {
832    if { [info exists _mapsettings(type)] } {
833        return [expr {$_mapsettings(type) eq "geocentric"}]
834    } else {
835        return 0
836    }
837}
838
839# ----------------------------------------------------------------------
840# USAGE: scale ?<data1> <data2> ...?
841#
842# Sets the default limits for the overall plot according to the
843# limits of the data for all of the given <data> objects.  This
844# accounts for all objects--even those not showing on the screen.
845# Because of this, the limits are appropriate for all objects as
846# the user scans through data in the ResultSet viewer.
847# ----------------------------------------------------------------------
848itcl::body Rappture::MapViewer::scale {args} {
849    DebugTrace "Enter"
850    array unset _mapsettings
851
852    foreach dataobj $args {
853        if { ![$dataobj isvalid] } {
854            continue
855        }
856        # Global map view settings are taken from the first dataobj
857        array unset settings
858        array set settings [$dataobj hints]
859        if { [array size _mapsettings] == 0 } {
860            set _mapsettings(label) $settings(label)
861            set _mapsettings(style) $settings(style)
862            set _mapsettings(type) $settings(type)
863            set _mapsettings(projection) $settings(projection)
864            set _mapsettings(extents) $settings(extents)
865            set _mapsettings(camera) $settings(camera)
866        }
867        # If dataobj has the same type and projection as view, expand extents
868        if { $settings(extents) != "" &&
869             $settings(type) == $_mapsettings(type) &&
870             $settings(projection) == $_mapsettings(projection)} {
871            foreach {xmin ymin xmax ymax} $settings(extents) break
872            if { $_mapsettings(extents) == $settings(extents) } {
873                set _mapsettings(xmin) $xmin
874                set _mapsettings(ymin) $ymin
875                set _mapsettings(xmax) $xmax
876                set _mapsettings(ymax) $ymax
877            } else {
878                if { $xmin < $_mapsettings(xmin) } {
879                    set _mapsettings(xmin) $xmin
880                    #set _reset 1
881                }
882                if { $ymin < $_mapsettings(ymin) } {
883                    set _mapsettings(ymin) $ymin
884                    #set _reset 1
885                }
886                if { $xmax > $_mapsettings(xmax) } {
887                    set _mapsettings(xmax) $xmax
888                    #set _reset 1
889                }
890                if { $ymax > $_mapsettings(ymax) } {
891                    set _mapsettings(ymax) $ymax
892                    #set _reset 1
893                }
894            }
895        }
896        foreach viewpoint [$dataobj viewpoints] {
897            set _viewpoints($viewpoint) [$dataobj viewpoint $viewpoint]
898            if {$_debug} {
899                array set vp $_viewpoints($viewpoint)
900                foreach key { label description x y z distance heading pitch srs verticalDatum } {
901                    if { [info exists vp($key)] } {
902                        DebugTrace "vp: $viewpoint $key $vp($key)"
903                    }
904                }
905            }
906        }
907    }
908    #if { $_reset } {
909    #    $_dispatcher event -idle !rebuild
910    #}
911}
912
913itcl::body Rappture::MapViewer::setSelectCallback {cmd} {
914    set _selectCallback $cmd
915}
916
917itcl::body Rappture::MapViewer::DoSelectCallback {option {args ""}} {
918    if { $_selectCallback != "" } {
919        set cmd [concat $_selectCallback $option $args]
920        uplevel #0 $cmd
921    }
922}
923
924# ----------------------------------------------------------------------
925# USAGE: ReceiveSelect clear
926# USAGE: ReceiveSelect feature <args...>
927# USAGE: ReceiveSelect annotation <args...>
928# ----------------------------------------------------------------------
929itcl::body Rappture::MapViewer::ReceiveSelect {option {args ""}} {
930    DebugTrace "Enter"
931    eval DoSelectCallback $option $args
932}
933
934# ----------------------------------------------------------------------
935# USAGE: select clear
936# USAGE: select feature <args...>
937# USAGE: select annotation <args...>
938#
939# Clients use this method to notify the map widget of a selection event
940# originating from outside the map
941# ----------------------------------------------------------------------
942itcl::body Rappture::MapViewer::select {option {args ""}} {
943    switch $option {
944        "annotation" {
945            SendCmd "select annotation $args"
946        }
947        "clear" {
948            SendCmd "select clear"
949        }
950        "feature" {
951            set op [lindex $args 0]
952            set layer [lindex $args end]
953            if {![info exists _layers($layer)]} {
954                puts stderr "Unknown layer \"$layer\""
955                return
956            }
957            switch $op {
958                "add" {
959                    SendCmd "select fadd [lrange $args 1 end]"
960                }
961                "delete" {
962                    SendCmd "select fdelete [lrange $args 1 end]"
963                }
964                "set" {
965                    SendCmd "select feature [lrange $args 1 end]"
966                }
967                default {
968                    puts stderr "Unknown select feature op \"$op\""
969                }
970            }
971        }
972        default {
973            puts stderr "Unknown select option \"$option\""
974        }
975    }
976}
977
978# ----------------------------------------------------------------------
979# USAGE: download coming
980# USAGE: download controls <downloadCommand>
981# USAGE: download now
982#
983# Clients use this method to create a downloadable representation
984# of the plot.  Returns a list of the form {ext string}, where
985# "ext" is the file extension (indicating the type of data) and
986# "string" is the data itself.
987# ----------------------------------------------------------------------
988itcl::body Rappture::MapViewer::download {option args} {
989    switch $option {
990        coming {
991            if {[catch {
992                blt::winop snap $itk_component(plotarea) $_image(download)
993            }]} {
994                $_image(download) configure -width 1 -height 1
995                $_image(download) put #000000
996            }
997        }
998        controls {
999            set popup .mapviewerdownload
1000            if { ![winfo exists .mapviewerdownload] } {
1001                set inner [BuildDownloadPopup $popup [lindex $args 0]]
1002            } else {
1003                set inner [$popup component inner]
1004            }
1005            set _downloadPopup(image_controls) $inner.image_frame
1006            set num [llength [get]]
1007            set num [expr {($num == 1) ? "1 result" : "$num results"}]
1008            set word [Rappture::filexfer::label downloadWord]
1009            $inner.summary configure -text "$word $num in the following format:"
1010            update idletasks            ;# Fix initial sizes
1011            return $popup
1012        }
1013        now {
1014            set popup .mapviewerdownload
1015            if {[winfo exists .mapviewerdownload]} {
1016                $popup deactivate
1017            }
1018            switch -- $_downloadPopup(format) {
1019                "image" {
1020                    return [$this GetImage [lindex $args 0]]
1021                }
1022            }
1023            return ""
1024        }
1025        default {
1026            error "bad option \"$option\": should be coming, controls, now"
1027        }
1028    }
1029}
1030
1031# ----------------------------------------------------------------------
1032# USAGE: Connect ?<host:port>,<host:port>...?
1033#
1034# Clients use this method to establish a connection to a new
1035# server, or to reestablish a connection to the previous server.
1036# Any existing connection is automatically closed.
1037# ----------------------------------------------------------------------
1038itcl::body Rappture::MapViewer::Connect {} {
1039    global readyForNextFrame
1040    set readyForNextFrame 1
1041    set _reset 1
1042    set _hosts [GetServerList "geovis"]
1043    if { "" == $_hosts } {
1044        return 0
1045    }
1046    set result [VisViewer::Connect $_hosts]
1047    if { $result } {
1048        if { $_reportClientInfo }  {
1049            # Tell the server the viewer, hub, user and session.
1050            # Do this immediately on connect before buffering any commands
1051            global env
1052
1053            set info {}
1054            set user "???"
1055            if { [info exists env(USER)] } {
1056                set user $env(USER)
1057            }
1058            set session "???"
1059            if { [info exists env(SESSION)] } {
1060                set session $env(SESSION)
1061            }
1062            lappend info "version" "$Rappture::version"
1063            lappend info "build" "$Rappture::build"
1064            lappend info "svnurl" "$Rappture::svnurl"
1065            lappend info "installdir" "$Rappture::installdir"
1066            lappend info "hub" [exec hostname]
1067            lappend info "client" "mapviewer"
1068            lappend info "user" $user
1069            lappend info "session" $session
1070            SendCmd "clientinfo [list $info]"
1071        }
1072
1073        set w [winfo width $itk_component(view)]
1074        set h [winfo height $itk_component(view)]
1075        EventuallyResize $w $h
1076    }
1077    return $result
1078}
1079
1080#
1081# isconnected --
1082#
1083#   Indicates if we are currently connected to the visualization server.
1084#
1085itcl::body Rappture::MapViewer::isconnected {} {
1086    return [VisViewer::IsConnected]
1087}
1088
1089#
1090# disconnect --
1091#
1092itcl::body Rappture::MapViewer::disconnect {} {
1093    Disconnect
1094    set _reset 1
1095}
1096
1097#
1098# Disconnect --
1099#
1100#   Clients use this method to disconnect from the current rendering
1101#   server.
1102#
1103itcl::body Rappture::MapViewer::Disconnect {} {
1104    VisViewer::Disconnect
1105
1106    $_dispatcher cancel !pan
1107    $_dispatcher cancel !motion
1108    $_dispatcher cancel !rebuild
1109    $_dispatcher cancel !resize
1110    $_dispatcher cancel !rotate
1111    # disconnected -- no more data sitting on server
1112    array unset _layers
1113    array unset _layersFrame
1114    global readyForNextFrame
1115    set readyForNextFrame 1
1116}
1117
1118# ----------------------------------------------------------------------
1119# USAGE: ReceiveImage -type <type> -token <token> -bytes <size>
1120#
1121# Invoked automatically whenever the "image" command comes in from
1122# the rendering server.  Indicates that binary image data with the
1123# specified <size> will follow.
1124# ----------------------------------------------------------------------
1125itcl::body Rappture::MapViewer::ReceiveImage { args } {
1126    global readyForNextFrame
1127    set readyForNextFrame 1
1128    array set info {
1129        -bytes 0
1130        -token "???"
1131        -type image
1132    }
1133    array set info $args
1134    set bytes [ReceiveBytes $info(-bytes)]
1135    if { $info(-type) == "image" } {
1136        $_image(plot) configure -data $bytes
1137    } elseif { $info(type) == "print" } {
1138        set tag $this-print-$info(-token)
1139        set _hardcopy($tag) $bytes
1140    }
1141    set _waitTimeout 0
1142}
1143
1144#
1145# ReceiveLegend
1146#
1147# Invoked automatically whenever the "legend" command comes in from
1148# the rendering server.  Indicates that binary image data with the
1149# specified <size> will follow.
1150#
1151itcl::body Rappture::MapViewer::ReceiveLegend { colormap min max size } {
1152    DebugTrace "ReceiveLegend colormap=$colormap range=$min,$max size=$size"
1153    if { [IsConnected] } {
1154        set bytes [ReceiveBytes $size]
1155        if { ![info exists _image(legend-$colormap)] } {
1156            set _image(legend-$colormap) [image create photo]
1157        }
1158        if 0 {
1159            set f [open "/tmp/legend-${colormap}.ppm" "w"]
1160            fconfigure $f -translation binary -encoding binary
1161            puts $f $bytes
1162            close $f
1163        }
1164        $_image(legend-$colormap) configure -data $bytes
1165        #puts stderr "read $size bytes for [image width $_image(legend-$colormap)]x[image height $_image(legend-$colormap)] legend>"
1166        if { [catch {DrawLegend $colormap $min $max} errs] != 0 } {
1167            global errorInfo
1168            puts stderr "errs=$errs errorInfo=$errorInfo"
1169        }
1170    }
1171}
1172
1173#
1174# ReceiveMapInfo --
1175#
1176itcl::body Rappture::MapViewer::ReceiveMapInfo { args } {
1177    if { ![isconnected] } {
1178        return
1179    }
1180    set timeReceived [clock clicks -milliseconds]
1181    set elapsed [expr $timeReceived - $_start]
1182    set option [lindex $args 0]
1183    switch -- $option {
1184        "coords" {
1185            set len [llength $args]
1186            if {$len < 3} {
1187                error "Bad map coords response"
1188            } else {
1189                set token [lindex $args 1]
1190            }
1191            foreach { x y z } [lindex $args 2] {
1192                puts stderr "\[$token\] Map coords: $x $y $z"
1193            }
1194            if {$len > 3} {
1195                set srs [lindex $args 3]
1196                set vert [lindex $args 4]
1197                puts stderr "\[$token\] {$srs} {$vert}"
1198            }
1199        }
1200        "names" {
1201            foreach { name } [lindex $args 1] {
1202                puts stderr "layer: $name"
1203            }
1204        }
1205        default {
1206            error "unknown map option \"$option\" from server"
1207        }
1208    }
1209}
1210
1211#
1212# ReceiveScreenInfo --
1213#
1214itcl::body Rappture::MapViewer::ReceiveScreenInfo { args } {
1215    if { ![isconnected] } {
1216        return
1217    }
1218    set option [lindex $args 0]
1219    switch -- $option {
1220        "coords" {
1221            set len [llength $args]
1222            if {$len < 3} {
1223                error "Bad screen coords response"
1224            } else {
1225                set token [lindex $args 1]
1226            }
1227            foreach { x y z } [lindex $args 2] {
1228                puts stderr "\[$token\] Screen coords: $x $y $z"
1229            }
1230        }
1231        default {
1232            error "unknown screen option \"$option\" from server"
1233        }
1234    }
1235}
1236
1237# ----------------------------------------------------------------------
1238# USAGE: Rebuild
1239#
1240# Called automatically whenever something changes that affects the
1241# data in the widget.  Clears any existing data and rebuilds the
1242# widget to display new data.
1243# ----------------------------------------------------------------------
1244itcl::body Rappture::MapViewer::Rebuild {} {
1245    set w [winfo width $itk_component(view)]
1246    set h [winfo height $itk_component(view)]
1247    if { $w < 2 || $h < 2 } {
1248        update idletasks
1249        $_dispatcher event -idle !rebuild
1250        return
1251    }
1252
1253    # Turn on buffering of commands to the server.  We don't want to be
1254    # preempted by a server disconnect/reconnect (which automatically
1255    # generates a new call to Rebuild).
1256    StartBufferingCommands
1257
1258    if { $_reset } {
1259        set _width $w
1260        set _height $h
1261        DoResize
1262
1263        if { [info exists _mapsettings(type)] } {
1264            # The map must be reset once before any layers are added This
1265            # should not be done more than once as it is very expensive.
1266            if { [info exists _mapsettings(style)] } {
1267                array set settings {
1268                    -color white
1269                }
1270                array set settings $_mapsettings(style)
1271            }
1272            set bgcolor [Color2RGB $settings(-color)]
1273            if { $_mapsettings(type) == "geocentric" } {
1274                if { [info exists itk_component(grid)] } {
1275                    $itk_component(grid) configure -state normal
1276                }
1277                if { [info exists itk_component(time)] } {
1278                    $itk_component(time_l) configure -state normal
1279                    $itk_component(time) configure -state normal
1280                }
1281                if { [info exists itk_component(pitch_slider)] } {
1282                    $itk_component(pitch_slider_l) configure -state normal
1283                    $itk_component(pitch_slider) configure -state normal
1284                }
1285                EnableRotationMouseBindings
1286                SendCmd "map reset geocentric $bgcolor"
1287            }  else {
1288                if { [info exists itk_component(grid)] } {
1289                    $itk_component(grid) configure -state disabled
1290                }
1291                if { [info exists itk_component(time)] } {
1292                    $itk_component(time_l) configure -state disabled
1293                    $itk_component(time) configure -state disabled
1294                }
1295                if { [info exists itk_component(pitch_slider)] } {
1296                    $itk_component(pitch_slider_l) configure -state disabled
1297                    $itk_component(pitch_slider) configure -state disabled
1298                }
1299                DisableRotationMouseBindings
1300                set proj $_mapsettings(projection)
1301                SendCmd "screen bgcolor $bgcolor"
1302                if { $proj == "" } {
1303                    SendCmd "map reset projected $bgcolor global-mercator"
1304                } elseif { ![info exists _mapsettings(extents)] ||
1305                           $_mapsettings(extents) == "" } {
1306                    SendCmd "map reset projected $bgcolor [list $proj]"
1307                } else {
1308                    foreach key "xmin ymin xmax ymax" {
1309                        set $key $_mapsettings($key)
1310                    }
1311                    SendCmd "map reset projected $bgcolor [list $proj] $xmin $ymin $xmax $ymax"
1312                }
1313            }
1314            # XXX: Remove after implementing batch load of layers on reset
1315            SendCmd "map layer delete base"
1316
1317            # Most terrain settings are global to the map and apply even
1318            # if there is no elevation layer.  The exception is the
1319            # vertical scale, which only applies if there is an elevation
1320            # layer
1321            if { [info exists _mapsettings(style)] } {
1322                SetTerrainStyle $_mapsettings(style)
1323            } else {
1324                InitSettings terrain-ambient terrain-edges terrain-lighting \
1325                    terrain-vertscale terrain-wireframe
1326            }
1327            InitSettings coords-visible
1328        } else {
1329            error "No map settings on reset"
1330        }
1331    }
1332
1333    set _first ""
1334    set haveTerrain 0
1335    foreach dataobj [get -hidden] {
1336        foreach layer [$dataobj layers] {
1337            if { ![$dataobj layer $layer shared] } {
1338                set tag $dataobj-$layer
1339                SendCmd "map layer visible 0 $tag"
1340            }
1341        }
1342    }
1343    foreach dataobj [get -objects] {
1344        if { [info exists _obj2ovride($dataobj-raise)] &&  $_first == "" } {
1345            set _first $dataobj
1346        }
1347        foreach layer [$dataobj layers] {
1348            array unset info
1349            array set info [$dataobj layer $layer]
1350            set tag $layer
1351            if { !$info(shared) } {
1352                set tag $dataobj-$layer
1353            }
1354            if { ![info exists _layers($tag)] } {
1355                if { $_reportClientInfo }  {
1356                    set cinfo {}
1357                    lappend cinfo "tool_id"       [$dataobj hints toolid]
1358                    lappend cinfo "tool_name"     [$dataobj hints toolname]
1359                    lappend cinfo "tool_title"    [$dataobj hints tooltitle]
1360                    lappend cinfo "tool_command"  [$dataobj hints toolcommand]
1361                    lappend cinfo "tool_revision" [$dataobj hints toolrevision]
1362                    lappend cinfo "dataset_label" [encoding convertto utf-8 $info(label)]
1363                    lappend cinfo "dataset_tag"   $tag
1364                    SendCmd "clientinfo [list $cinfo]"
1365                }
1366                set _layers($tag) 1
1367                SetLayerStyle $dataobj $layer
1368            }
1369            # Don't change visibility of shared/base layers
1370            if { !$info(shared) } {
1371                # FIXME: This is overriding data layers' initial visibility
1372                if { [info exists _obj2ovride($dataobj-raise)] } {
1373                    SendCmd "map layer visible 1 $tag"
1374                    set _visibility($tag) 1
1375                } else {
1376                    SendCmd "map layer visible 0 $tag"
1377                    set _visibility($tag) 0
1378                }
1379            }
1380            if {$info(type) == "elevation"} {
1381                set haveTerrain 1
1382            }
1383        }
1384        # Search our layer list for data layers removed from map object
1385        foreach tag [array names _layers -glob $dataobj-*] {
1386            set layer [string range $tag [string length "$dataobj-"] end]
1387            if {![$dataobj hasLayer $layer]} {
1388                DebugTrace "Delete layer: tag: $tag layer: $layer"
1389                SendCmd "map layer delete $tag"
1390                array unset _layers $tag
1391                array unset _opacity $tag
1392                array unset _visibility $tag
1393            }
1394        }
1395    }
1396
1397    if {$_reset} {
1398        if {$_initCamera} {
1399            # If this is the first Rebuild, we need to
1400            # set up the initial view settings if there
1401            # are any
1402            Camera reset
1403            set _initCamera 0
1404        } else {
1405            # Restore view from before reconnect
1406            Camera set all
1407        }
1408    }
1409
1410    if {$_useSidebar} {
1411        if ($haveTerrain) {
1412            if { [info exists itk_component(vscale)] } {
1413                $itk_component(vscale_l) configure -state normal
1414                $itk_component(vscale) configure -state normal
1415            }
1416        } else {
1417            if { [info exists itk_component(vscale)] } {
1418                $itk_component(vscale_l) configure -state disabled
1419                $itk_component(vscale) configure -state disabled
1420            }
1421        }
1422        UpdateLayerControls
1423        UpdateViewpointControls
1424    }
1425
1426    set _reset 0
1427    global readyForNextFrame
1428    set readyForNextFrame 0;            # Don't advance to the next frame
1429                                        # until we get an image.
1430
1431    # Actually write the commands to the server socket.  If it fails, we
1432    # don't care.  We're finished here.
1433    blt::busy hold $itk_component(hull)
1434    StopBufferingCommands
1435    blt::busy release $itk_component(hull)
1436}
1437
1438itcl::body Rappture::MapViewer::EnablePanningMouseBindings {} {
1439    if {1 || $_useServerManip} {
1440        bind $itk_component(view) <ButtonPress-1> \
1441            [itcl::code $this MouseClick 1 %x %y]
1442        bind $itk_component(view) <B1-Motion> \
1443            [itcl::code $this MouseDrag 1 %x %y]
1444        bind $itk_component(view) <ButtonRelease-1> \
1445            [itcl::code $this MouseRelease 1 %x %y]
1446    } else {
1447        bind $itk_component(view) <ButtonPress-1> \
1448            [itcl::code $this Pan click %x %y]
1449        bind $itk_component(view) <B1-Motion> \
1450            [itcl::code $this Pan drag %x %y]
1451        bind $itk_component(view) <ButtonRelease-1> \
1452            [itcl::code $this Pan release %x %y]
1453    }
1454}
1455
1456itcl::body Rappture::MapViewer::DisablePanningMouseBindings {} {
1457    bind $itk_component(view) <ButtonPress-1> {}
1458    bind $itk_component(view) <B1-Motion> {}
1459    bind $itk_component(view) <ButtonRelease-1> {}
1460}
1461
1462itcl::body Rappture::MapViewer::EnableRotationMouseBindings {} {
1463    if {1 || $_useServerManip} {
1464        # Bindings for rotation via mouse
1465        bind $itk_component(view) <ButtonPress-2> \
1466            [itcl::code $this MouseClick 2 %x %y]
1467        bind $itk_component(view) <B2-Motion> \
1468            [itcl::code $this MouseDrag 2 %x %y]
1469        bind $itk_component(view) <ButtonRelease-2> \
1470            [itcl::code $this MouseRelease 2 %x %y]
1471    } else {
1472        bind $itk_component(view) <ButtonPress-2> \
1473            [itcl::code $this Rotate click %x %y]
1474        bind $itk_component(view) <B2-Motion> \
1475            [itcl::code $this Rotate drag %x %y]
1476        bind $itk_component(view) <ButtonRelease-2> \
1477            [itcl::code $this Rotate release %x %y]
1478    }
1479}
1480
1481itcl::body Rappture::MapViewer::DisableRotationMouseBindings {} {
1482    bind $itk_component(view) <ButtonPress-2> {}
1483    bind $itk_component(view) <B2-Motion> {}
1484    bind $itk_component(view) <ButtonRelease-2> {}
1485}
1486
1487itcl::body Rappture::MapViewer::EnableZoomMouseBindings {} {
1488    if {1 || $_useServerManip} {
1489        bind $itk_component(view) <ButtonPress-3> \
1490            [itcl::code $this MouseClick 3 %x %y]
1491        bind $itk_component(view) <B3-Motion> \
1492            [itcl::code $this MouseDrag 3 %x %y]
1493        bind $itk_component(view) <ButtonRelease-3> \
1494            [itcl::code $this MouseRelease 3 %x %y]
1495    } else {
1496        bind $itk_component(view) <ButtonPress-3> \
1497            [itcl::code $this Zoom click %x %y]
1498        bind $itk_component(view) <B3-Motion> \
1499            [itcl::code $this Zoom drag %x %y]
1500        bind $itk_component(view) <ButtonRelease-3> \
1501            [itcl::code $this Zoom release %x %y]
1502    }
1503}
1504
1505itcl::body Rappture::MapViewer::DisableZoomMouseBindings {} {
1506    bind $itk_component(view) <ButtonPress-3> {}
1507    bind $itk_component(view) <B3-Motion> {}
1508    bind $itk_component(view) <ButtonRelease-3> {}
1509}
1510# ----------------------------------------------------------------------
1511# USAGE: CurrentLayers ?-all -visible? ?dataobjs?
1512#
1513# Returns a list of server IDs for the current datasets being displayed.
1514# This is normally a single ID, but it might be a list of IDs if the
1515# current data object has multiple components.
1516# ----------------------------------------------------------------------
1517itcl::body Rappture::MapViewer::CurrentLayers {args} {
1518    set flag [lindex $args 0]
1519    switch -- $flag {
1520        "-all" {
1521            if { [llength $args] > 1 } {
1522                error "CurrentLayers: can't specify dataobj after \"-all\""
1523            }
1524            set dlist [get -objects]
1525        }
1526        "-visible" {
1527            if { [llength $args] > 1 } {
1528                set dlist {}
1529                set args [lrange $args 1 end]
1530                foreach dataobj $args {
1531                    if { [info exists _obj2ovride($dataobj-raise)] } {
1532                        lappend dlist $dataobj
1533                    }
1534                }
1535            } else {
1536                set dlist [get -visible]
1537            }
1538        }
1539        default {
1540            set dlist $args
1541        }
1542    }
1543    set rlist ""
1544    foreach dataobj $dlist {
1545        foreach layer [$dataobj layers] {
1546            if { [info exists _layers($layer)] && $_layers($layer) } {
1547                lappend rlist $layer
1548            }
1549        }
1550    }
1551    return $rlist
1552}
1553
1554itcl::body Rappture::MapViewer::KeyPress {k} {
1555    SendCmd "key press $k"
1556}
1557
1558itcl::body Rappture::MapViewer::KeyRelease {k} {
1559    SendCmd "key release $k"
1560}
1561
1562itcl::body Rappture::MapViewer::GetNormalizedMouse {x y} {
1563    set w [winfo width $itk_component(view)]
1564    set h [winfo height $itk_component(view)]
1565    set x [expr {(2.0 * double($x)/$w) - 1.0}]
1566    set y [expr {(2.0 * double($y)/$h) - 1.0}]
1567    return [list $x $y]
1568}
1569
1570itcl::body Rappture::MapViewer::MouseClick {button x y} {
1571    SendCmd "mouse click $button $x $y"
1572}
1573
1574itcl::body Rappture::MapViewer::MouseDoubleClick {button x y} {
1575    SendCmd "mouse dblclick $button $x $y"
1576}
1577
1578itcl::body Rappture::MapViewer::MouseDrag {button x y} {
1579    SendCmd "mouse drag $button $x $y"
1580}
1581
1582itcl::body Rappture::MapViewer::MouseRelease {button x y} {
1583    SendCmd "mouse release $button $x $y"
1584}
1585
1586itcl::body Rappture::MapViewer::MouseMotion {} {
1587    SendCmd "mouse motion $_motion(x) $_motion(y)"
1588    #SendCmd "map pin hover $_motion(x) $_motion(y)"
1589    set _motion(pending) 0
1590}
1591
1592itcl::body Rappture::MapViewer::MouseScroll {direction} {
1593    switch -- $direction {
1594        "up" {
1595            SendCmd "mouse scroll 1"
1596        }
1597        "down" {
1598            SendCmd "mouse scroll -1"
1599        }
1600    }
1601}
1602
1603#
1604# EventuallyHandleMotionEvent --
1605#
1606#   This routine compresses (no button press) motion events.  It
1607#   delivers a server mouse command once every 100 milliseconds (if a
1608#   motion event is pending).
1609#
1610itcl::body Rappture::MapViewer::EventuallyHandleMotionEvent {x y} {
1611    set _motion(x) $x
1612    set _motion(y) $y
1613    if { !$_motion(compress) } {
1614        MouseMotion
1615        return
1616    }
1617    if { !$_motion(pending) } {
1618        set _motion(pending) 1
1619        $_dispatcher event -after $_motion(delay) !motion
1620    }
1621}
1622
1623# ----------------------------------------------------------------------
1624# USAGE: Zoom in
1625# USAGE: Zoom out
1626# USAGE: Zoom reset
1627#        $this Zoom click x y
1628#        $this Zoom drag x y
1629#        $this Zoom release x y
1630#
1631# Called automatically when the user clicks on one of the zoom
1632# controls for this widget.  Changes the zoom for the current view.
1633# Also implements mouse zoom.
1634# ----------------------------------------------------------------------
1635itcl::body Rappture::MapViewer::Zoom {option {x 0} {y 0}} {
1636    switch -- $option {
1637        "in" {
1638            # z here is normalized mouse Y delta
1639            set z -0.25
1640            SendCmd "camera zoom $z"
1641        }
1642        "out" {
1643            # z here is normalized mouse Y delta
1644            set z 0.25
1645            SendCmd "camera zoom $z"
1646        }
1647        "reset" {
1648            SendCmd "camera dist $_view(distance)"
1649        }
1650        "click" {
1651            set _click(x) $x
1652            set _click(y) $y
1653            $itk_component(view) configure -cursor hand1
1654        }
1655        "drag" {
1656            if { ![info exists _click(x)] } {
1657                set _click(x) $x
1658            }
1659            if { ![info exists _click(y)] } {
1660                set _click(y) $y
1661            }
1662            set h [winfo height $itk_component(view)]
1663            set dy [expr ($_click(y) - $y)/double($h)]
1664            set _click(x) $x
1665            set _click(y) $y
1666            if {[expr (abs($dy) > 0.0)]} {
1667                SendCmd "camera zoom $dy"
1668            }
1669        }
1670        "release" {
1671            Zoom drag $x $y
1672            $itk_component(view) configure -cursor ""
1673        }
1674    }
1675}
1676
1677# ----------------------------------------------------------------------
1678# USAGE: Rotate click <x> <y>
1679# USAGE: Rotate drag <x> <y>
1680# USAGE: Rotate release <x> <y>
1681#
1682# Called automatically when the user clicks/drags/releases in the
1683# plot area.  Moves the plot according to the user's actions.
1684# ----------------------------------------------------------------------
1685itcl::body Rappture::MapViewer::Rotate {option x y} {
1686    switch -- $option {
1687        "click" {
1688            $itk_component(view) configure -cursor fleur
1689            set _click(x) $x
1690            set _click(y) $y
1691            set _rotate(azimuth) 0
1692            set _rotate(elevation) 0
1693        }
1694        "drag" {
1695            if {[array size _click] == 0} {
1696                Rotate click $x $y
1697            } else {
1698                set w [winfo width $itk_component(view)]
1699                set h [winfo height $itk_component(view)]
1700                if {$w <= 0 || $h <= 0} {
1701                    return
1702                }
1703                set dx [expr ($x - $_click(x))/double($w)]
1704                set dy [expr ($_click(y) - $y)/double($h)]
1705                set _click(x) $x
1706                set _click(y) $y
1707                if {[expr (abs($dx) > 0.0 || abs($dy) > 0.0)]} {
1708                    #SendCmd "camera rotate $dx $dy"
1709                    EventuallyRotate $dx $dy
1710                }
1711            }
1712        }
1713        "release" {
1714            Rotate drag $x $y
1715            $itk_component(view) configure -cursor ""
1716            catch {unset _click}
1717        }
1718        "set" {
1719            set w [winfo width $itk_component(view)]
1720            set h [winfo height $itk_component(view)]
1721            set dx [expr $x / double($w)]
1722            set dy [expr $y / double($h)]
1723            if {[expr (abs($dx) > 0.0 || abs($dy) > 0.0)]} {
1724                EventuallyRotate $dx $dy
1725            }
1726        }
1727        default {
1728            error "bad option \"$option\": should be click, drag, release"
1729        }
1730    }
1731}
1732
1733itcl::body Rappture::MapViewer::Select {option x y} {
1734    switch -- $option {
1735        "click" {
1736            set _click(x) $x
1737            set _click(y) $y
1738            set _b1mode "select"
1739            SendCmd "map box init $x $y"
1740        }
1741        "drag" {
1742            if {$_b1mode == "select"} {
1743                EventuallySelect $x $y
1744            }
1745        }
1746        "release" {
1747            set _b1mode ""
1748            if {$_click(x) == $x &&
1749                $_click(y) == $y} {
1750                SendCmd "map box clear"
1751            }
1752        }
1753    }
1754}
1755
1756itcl::body Rappture::MapViewer::Pin {option x y} {
1757    set _click(x) $x
1758    set _click(y) $y
1759    switch -- $option {
1760        "add" {
1761            incr _labelCount
1762            set label "Label $_labelCount"
1763            SendCmd [list "map" "pin" "add" $x $y [encoding convertto utf-8 $label]]
1764        }
1765        "delete" {
1766            SendCmd "map pin delete $x $y"
1767        }
1768    }
1769}
1770
1771# ----------------------------------------------------------------------
1772# USAGE: $this Pan set x y
1773#        $this Pan click x y
1774#        $this Pan drag x y
1775#        $this Pan release x y
1776#
1777# Called automatically when the user clicks on one of the zoom
1778# controls for this widget.  Changes the zoom for the current view.
1779# ----------------------------------------------------------------------
1780itcl::body Rappture::MapViewer::Pan {option x y} {
1781    switch -- $option {
1782        "click" {
1783            set _click(x) $x
1784            set _click(y) $y
1785            set _pan(x) 0
1786            set _pan(y) 0
1787            $itk_component(view) configure -cursor hand1
1788            set _b1mode "pan"
1789        }
1790        "drag" {
1791            if {$_b1mode != "pan"} {
1792                return
1793            }
1794            if { ![info exists _click(x)] } {
1795                set _click(x) $x
1796            }
1797            if { ![info exists _click(y)] } {
1798                set _click(y) $y
1799            }
1800            set w [winfo width $itk_component(view)]
1801            set h [winfo height $itk_component(view)]
1802            set dx [expr ($x - $_click(x))/double($w)]
1803            set dy [expr ($_click(y) - $y)/double($h)]
1804            set _click(x) $x
1805            set _click(y) $y
1806            if {[expr (abs($dx) > 0.0 || abs($dy) > 0.0)]} {
1807                EventuallyPan $dx $dy
1808                #SendCmd "camera pan $dx $dy"
1809            }
1810        }
1811        "release" {
1812            Pan drag $x $y
1813            $itk_component(view) configure -cursor ""
1814            set _b1mode ""
1815        }
1816        "set" {
1817            set w [winfo width $itk_component(view)]
1818            set h [winfo height $itk_component(view)]
1819            set x [expr $x / double($w)]
1820            set y [expr $y / double($h)]
1821            if {[expr (abs($x) > 0.0 || abs($y) > 0.0)]} {
1822                SendCmd "camera pan $x $y"
1823            }
1824            return
1825        }
1826        default {
1827            error "unknown option \"$option\": should set, click, drag, or release"
1828        }
1829    }
1830}
1831
1832itcl::body Rappture::MapViewer::SetHeading { {value 0} } {
1833    set _view(heading) $value
1834    Camera set heading
1835}
1836
1837itcl::body Rappture::MapViewer::SetPitch { {value -89.999} } {
1838    set _view(pitch) $value
1839    Camera set pitch
1840}
1841
1842# ----------------------------------------------------------------------
1843# USAGE: InitSettings <what> ?<value>?
1844#
1845# Used internally to update rendering settings whenever parameters
1846# change in the popup settings panel.  Sends the new settings off
1847# to the back end.
1848# ----------------------------------------------------------------------
1849itcl::body Rappture::MapViewer::InitSettings { args } {
1850    foreach setting $args {
1851        AdjustSetting $setting
1852    }
1853}
1854
1855#
1856# AdjustSetting --
1857#
1858#   Changes/updates a specific setting in the widget.  There are
1859#   usually user-setable option.  Commands are sent to the render
1860#   server.
1861#
1862itcl::body Rappture::MapViewer::AdjustSetting {what {value ""}} {
1863    if { ![isconnected] } {
1864        return
1865    }
1866    switch -- $what {
1867        "coords-visible" - "coords-precision" - "coords-units" {
1868            set bool $_settings(coords-visible)
1869            set units $_settings(coords-units)
1870            set precision $_settings(coords-precision)
1871            SendCmd "map posdisp $bool $units $precision"
1872        }
1873        "grid" - "grid-type" {
1874            set bool $_settings(grid)
1875            set gridType $_settings(grid-type)
1876            SendCmd "map grid $bool $gridType"
1877        }
1878        "camera-throw" {
1879            set bool $_settings($what)
1880            SendCmd "camera throw $bool"
1881        }
1882        "terrain-ambient" {
1883            set val $_settings($what)
1884            SendCmd "map terrain ambient $val"
1885        }
1886        "terrain-edges" {
1887            set bool $_settings($what)
1888            SendCmd "map terrain edges $bool"
1889        }
1890        "terrain-lighting" {
1891            set bool $_settings($what)
1892            SendCmd "map terrain lighting $bool"
1893        }
1894        "terrain-palette" {
1895            set cmap [$itk_component(terrainpalette) value]
1896            #SendCmd "map terrain colormap $cmap"
1897        }
1898        "terrain-vertscale" {
1899            set val $_settings($what)
1900            SendCmd "map terrain vertscale $val"
1901        }
1902        "terrain-wireframe" {
1903            set bool $_settings($what)
1904            SendCmd "map terrain wireframe $bool"
1905        }
1906        "time" {
1907            set val $_settings($what)
1908            SendCmd "map time $val"
1909        }
1910        default {
1911            error "don't know how to fix $what"
1912        }
1913    }
1914}
1915
1916# ----------------------------------------------------------------------
1917# CONFIGURATION OPTION: -plotbackground
1918# ----------------------------------------------------------------------
1919itcl::configbody Rappture::MapViewer::plotbackground {
1920    if { [isconnected] } {
1921        set rgb [Color2RGB $itk_option(-plotbackground)]
1922        SendCmd "screen bgcolor $rgb"
1923    }
1924}
1925
1926# ----------------------------------------------------------------------
1927# CONFIGURATION OPTION: -plotforeground
1928# ----------------------------------------------------------------------
1929itcl::configbody Rappture::MapViewer::plotforeground {
1930    if { [isconnected] } {
1931        set rgb [Color2RGB $itk_option(-plotforeground)]
1932        # FIXME: Set font foreground colors
1933    }
1934}
1935
1936itcl::body Rappture::MapViewer::BuildMapTab {} {
1937    set fg [option get $itk_component(hull) font Font]
1938    #set bfg [option get $itk_component(hull) boldFont Font]
1939
1940    set inner [$itk_component(main) insert end \
1941        -title "Map Settings" \
1942        -icon [Rappture::icon wrench]]
1943    $inner configure -borderwidth 4
1944
1945    checkbutton $inner.posdisp \
1946        -text "Show Coordinate Readout" \
1947        -variable [itcl::scope _settings(coords-visible)] \
1948        -command [itcl::code $this AdjustSetting coords-visible] \
1949        -font "Arial 9" -anchor w
1950
1951    itk_component add grid {
1952        checkbutton $inner.grid \
1953        -text "Show Graticule" \
1954        -variable [itcl::scope _settings(grid)] \
1955        -command [itcl::code $this AdjustSetting grid] \
1956        -font "Arial 9" -anchor w
1957    } {
1958        ignore -font
1959    }
1960    Rappture::Tooltip::for $inner.grid "Toggle graticule (grid) display <g>"
1961
1962    checkbutton $inner.wireframe \
1963        -text "Show Wireframe" \
1964        -variable [itcl::scope _settings(terrain-wireframe)] \
1965        -command [itcl::code $this AdjustSetting terrain-wireframe] \
1966        -font "Arial 9" -anchor w
1967    Rappture::Tooltip::for $inner.wireframe "Toggle wireframe rendering of terrain geometry <w>"
1968
1969    checkbutton $inner.lighting \
1970        -text "Enable Lighting" \
1971        -variable [itcl::scope _settings(terrain-lighting)] \
1972        -command [itcl::code $this AdjustSetting terrain-lighting] \
1973        -font "Arial 9" -anchor w
1974    Rappture::Tooltip::for $inner.lighting "Toggle sky lighting of terrain <l>"
1975
1976    checkbutton $inner.edges \
1977        -text "Show Edges" \
1978        -variable [itcl::scope _settings(terrain-edges)] \
1979        -command [itcl::code $this AdjustSetting terrain-edges] \
1980        -font "Arial 9" -anchor w
1981
1982    itk_component add time_l {
1983        label $inner.time_l -text "Time (UTC)" -font "Arial 9"
1984    } {
1985        ignore -font
1986    }
1987    itk_component add time {
1988        ::scale $inner.time -from 0 -to 23.9 -orient horizontal \
1989            -resolution 0.1 \
1990            -variable [itcl::scope _settings(time)] \
1991            -width 10 \
1992            -showvalue on \
1993            -command [itcl::code $this AdjustSetting time]
1994    }
1995
1996    itk_component add ambient_l {
1997        label $inner.ambient_l -text "Ambient min." -font "Arial 9"
1998    } {
1999        ignore -font
2000    }
2001    itk_component add ambient {
2002        ::scale $inner.ambient -from 0 -to 1.0 -orient horizontal \
2003            -resolution 0.01 \
2004            -variable [itcl::scope _settings(terrain-ambient)] \
2005            -width 10 \
2006            -showvalue on \
2007            -command [itcl::code $this AdjustSetting terrain-ambient]
2008    }
2009
2010    blt::table $inner \
2011        0,0 $inner.posdisp   -cspan 2 -anchor w -pady 2 \
2012        1,0 $inner.grid      -cspan 2 -anchor w -pady 2 \
2013        2,0 $inner.wireframe -cspan 2 -anchor w -pady 2 \
2014        3,0 $inner.lighting  -cspan 2 -anchor w -pady 2 \
2015        4,0 $inner.time_l    -cspan 2 -anchor w -pady 2 \
2016        4,1 $inner.time      -cspan 2 -fill x   -pady 2 \
2017        5,0 $inner.ambient_l -cspan 2 -anchor w -pady 2 \
2018        5,1 $inner.ambient   -cspan 2 -fill x   -pady 2
2019#        4,0 $inner.edges     -cspan 2  -anchor w -pady 2
2020
2021    blt::table configure $inner r* c* -resize none
2022    blt::table configure $inner r6 c1 -resize expand
2023}
2024
2025itcl::body Rappture::MapViewer::BuildTerrainTab {} {
2026    set fg [option get $itk_component(hull) font Font]
2027    #set bfg [option get $itk_component(hull) boldFont Font]
2028
2029    set inner [$itk_component(main) insert end \
2030        -title "Terrain Settings" \
2031        -icon [Rappture::icon terrain]]
2032    $inner configure -borderwidth 4
2033
2034    label $inner.palette_l -text "Palette" -font "Arial 9" -anchor w
2035    itk_component add terrainpalette {
2036        Rappture::Combobox $inner.palette -width 10 -editable no
2037    }
2038    $inner.palette choices insert end [GetColormapList]
2039
2040    $itk_component(terrainpalette) value "BCGYR"
2041    bind $inner.palette <<Value>> \
2042        [itcl::code $this AdjustSetting terrain-palette]
2043
2044    itk_component add vscale_l {
2045        label $inner.vscale_l -text "Vertical Scale" -font "Arial 9" -anchor w
2046    }
2047    itk_component add vscale {
2048        ::scale $inner.vscale -from 0 -to 10 -orient horizontal \
2049            -variable [itcl::scope _settings(terrain-vertscale)] \
2050            -width 10 \
2051            -resolution 0.1 \
2052            -showvalue on \
2053            -command [itcl::code $this AdjustSetting terrain-vertscale]
2054    }
2055    $inner.vscale set $_settings(terrain-vertscale)
2056
2057    blt::table $inner \
2058        0,0 $inner.vscale_l  -anchor w -pady 2 \
2059        0,1 $inner.vscale    -fill x   -pady 2
2060#        1,0 $inner.palette_l -anchor w -pady 2 \
2061#        1,1 $inner.palette   -fill x   -pady 2
2062
2063    blt::table configure $inner r* c* -resize none
2064    blt::table configure $inner r3 c1 -resize expand
2065}
2066
2067itcl::body Rappture::MapViewer::BuildLayerTab {} {
2068    set fg [option get $itk_component(hull) font Font]
2069    #set bfg [option get $itk_component(hull) boldFont Font]
2070
2071    set inner [$itk_component(main) insert end \
2072        -title "Layers" \
2073        -icon [Rappture::icon layers]]
2074    $inner configure -borderwidth 4
2075    set f [frame $inner.layers]
2076    blt::table $inner \
2077        0,0 $f -fill both
2078    set _layersFrame $inner
2079}
2080
2081itcl::body Rappture::MapViewer::BuildViewpointsTab {} {
2082    set fg [option get $itk_component(hull) font Font]
2083    #set bfg [option get $itk_component(hull) boldFont Font]
2084
2085    set inner [$itk_component(main) insert end \
2086        -title "Places" \
2087        -icon [Rappture::icon placemark16]]
2088    $inner configure -borderwidth 4
2089    set f [frame $inner.viewpoints]
2090    blt::table $inner \
2091        0,0 $f -fill both
2092    set _viewpointsFrame $inner
2093}
2094
2095itcl::body Rappture::MapViewer::BuildCameraTab {} {
2096    set inner [$itk_component(main) insert end \
2097        -title "Camera Settings" \
2098        -icon [Rappture::icon camera]]
2099    $inner configure -borderwidth 4
2100
2101    set row 0
2102
2103    set labels { x y z heading pitch distance }
2104    foreach tag $labels {
2105        label $inner.${tag}label -text $tag -font "Arial 9"
2106        entry $inner.${tag} -font "Arial 9"  -bg white \
2107            -textvariable [itcl::scope _view($tag)]
2108        bind $inner.${tag} <KeyPress-Return> \
2109            [itcl::code $this Camera set ${tag}]
2110        bind $inner.${tag} <KP_Enter> \
2111            [itcl::code $this Camera set ${tag}]
2112        blt::table $inner \
2113            $row,0 $inner.${tag}label -anchor e -pady 2 \
2114            $row,1 $inner.${tag} -anchor w -pady 2
2115        blt::table configure $inner r$row -resize none
2116        incr row
2117    }
2118    set labels { srs verticalDatum }
2119    foreach tag $labels {
2120        label $inner.${tag}label -text $tag -font "Arial 9"
2121        entry $inner.${tag} -font "Arial 9"  -bg white \
2122            -textvariable [itcl::scope _view($tag)]
2123        bind $inner.${tag} <KeyPress-Return> \
2124            [itcl::code $this Camera set ${tag}]
2125        bind $inner.${tag} <KP_Enter> \
2126            [itcl::code $this Camera set ${tag}]
2127        blt::table $inner \
2128            $row,0 $inner.${tag}label -anchor e -pady 2 \
2129            $row,1 $inner.${tag} -anchor w -pady 2
2130        blt::table configure $inner r$row -resize none
2131        incr row
2132    }
2133
2134    if {0} {
2135    button $inner.get \
2136        -text "Get Camera Settings" \
2137        -font "Arial 9" \
2138        -command [itcl::code $this SendCmd "camera get"]
2139    blt::table $inner \
2140        $row,0 $inner.get -anchor w -pady 2 -cspan 2
2141    blt::table configure $inner r$row -resize none
2142    incr row
2143
2144    button $inner.set \
2145        -text "Apply Camera Settings" \
2146        -font "Arial 9" \
2147        -command [itcl::code $this Camera set all]
2148    blt::table $inner \
2149        $row,0 $inner.set -anchor w -pady 2 -cspan 2
2150    blt::table configure $inner r$row -resize none
2151    incr row
2152    }
2153
2154    if {$_useServerManip} {
2155        checkbutton $inner.throw \
2156            -text "Enable Throw" \
2157            -font "Arial 9" \
2158            -variable [itcl::scope _settings(camera-throw)] \
2159            -command [itcl::code $this AdjustSetting camera-throw]
2160        blt::table $inner \
2161            $row,0 $inner.throw -anchor w -pady 2 -cspan 2
2162        blt::table configure $inner r$row -resize none
2163        incr row
2164    }
2165
2166    label $inner.heading_slider_l -text "Heading" -font "Arial 9"
2167    ::scale $inner.heading_slider -font "Arial 9" \
2168        -from -180 -to 180 -orient horizontal \
2169        -variable [itcl::scope _view(heading)] \
2170        -width 10 \
2171        -showvalue on \
2172        -command [itcl::code $this Camera set heading]
2173
2174    blt::table $inner \
2175            $row,0 $inner.heading_slider_l -anchor w -pady 2
2176    blt::table $inner \
2177            $row,1 $inner.heading_slider -fill x -anchor w -pady 2
2178    blt::table configure $inner r$row -resize none
2179    incr row
2180
2181    itk_component add pitch_slider_l {
2182        label $inner.pitch_slider_l -text "Pitch" -font "Arial 9"
2183    }
2184    itk_component add pitch_slider {
2185        ::scale $inner.pitch_slider -font "Arial 9" \
2186            -from -10 -to -90 -orient horizontal \
2187            -variable [itcl::scope _view(pitch)] \
2188            -width 10 \
2189            -showvalue on \
2190            -command [itcl::code $this Camera set pitch]
2191    }
2192
2193    blt::table $inner \
2194            $row,0 $inner.pitch_slider_l -anchor w -pady 2
2195    blt::table $inner \
2196            $row,1 $inner.pitch_slider -fill x -anchor w -pady 2
2197    blt::table configure $inner r$row -resize none
2198    incr row
2199
2200    blt::table configure $inner c* r* -resize none
2201    blt::table configure $inner c2 -resize expand
2202    blt::table configure $inner r$row -resize expand
2203}
2204
2205itcl::body Rappture::MapViewer::BuildHelpTab {} {
2206    set fg [option get $itk_component(hull) font Font]
2207    #set bfg [option get $itk_component(hull) boldFont Font]
2208
2209    set inner [$itk_component(main) insert end \
2210        -title "Help" \
2211        -icon [Rappture::icon question_mark12]]
2212    $inner configure -borderwidth 4
2213
2214    set helptext {*************************
2215Mouse bindings:
2216*************************
2217  Left - Panning
2218  Middle - Rotation
2219  Right - Zoom
2220
2221Zoom/travel:
2222  Left double-click:
2223    Zoom to point
2224  Left shift-double:
2225    Travel to point
2226  Right double-click:
2227    Zoom out from point
2228
2229Pins:
2230  Ctl-Left: Drop pin
2231  Ctl-Right: Delete pin
2232
2233Select:
2234  Shift-Left click-drag
2235
2236*************************
2237Keyboard bindings:
2238*************************
2239  g - Toggle graticule
2240  l - Toggle lighting
2241  n - Set North up
2242  p - Reset pitch
2243  w - Toggle wireframe
2244  arrows - panning
2245  Shift-arrows - fine pan
2246  Ctl-arrows - rotation
2247  Ctl-Shift-arrows:
2248    fine rotation
2249  PgUp/PgDown - zoom
2250  Home - Reset camera
2251*************************}
2252
2253    text $inner.info -width 25 -bg white
2254    $inner.info insert end $helptext
2255    $inner.info configure -state disabled
2256    blt::table $inner \
2257        0,0 $inner.info -fill both
2258}
2259
2260#
2261# camera
2262#
2263# This is the public camera API
2264#
2265itcl::body Rappture::MapViewer::camera {option args} {
2266    switch -- $option {
2267        "reset" {
2268            Camera reset
2269        }
2270        "zoom" {
2271            if {[llength $args] < 1} {
2272                error "wrong # of args to camera zoom"
2273            }
2274            set zoomopt [lindex $args 0]
2275            switch -- $zoomopt {
2276                "extent" {
2277                    if {[llength $args] < 5} {
2278                        error "wrong # of args to camera zoom extent"
2279                    }
2280                    foreach {xmin ymin xmax ymax duration srs} [lrange $args 1 end] break
2281                    foreach key {xmin ymin xmax ymax} {
2282                        if {![string is double -strict [set $key]]} {
2283                            error "Invalid extent: $key=[set $key]"
2284                        }
2285                    }
2286                    if {$duration == ""} {
2287                        set duration 0.0
2288                    } elseif {![string is double $duration]} {
2289                        error "Invalid duration \"$duration\", should be a double"
2290                    }
2291                    SendCmd "camera extent $xmin $ymin $xmax $ymax $duration $srs"
2292                }
2293                "layer" {
2294                    if {[llength $args] < 3} {
2295                        error "wrong # of args to camera zoom layer"
2296                    }
2297                    foreach {dataobj layer duration} [lrange $args 1 end] break
2298                    set tag $layer
2299                    if {![$dataobj layer $layer shared]} {
2300                        set tag $dataobj-$layer
2301                    }
2302                    if {![info exists _layers($tag)]} {
2303                        error "Unknown layer $layer"
2304                    }
2305                    if {$duration == ""} {
2306                        set duration 0.0
2307                    } elseif {![string is double $duration]} {
2308                        error "Invalid duration \"$duration\", should be a double"
2309                    }
2310                    SendCmd "camera lextent $tag $duration"
2311                }
2312                default {
2313                    error "Unknown camera zoom option \"$zoomopt\""
2314                }
2315            }
2316        }
2317        default {
2318            error "Unknown camera option \"$option\""
2319        }
2320    }
2321}
2322
2323#
2324#  Camera --
2325#
2326# USAGE: Camera get
2327#        This is called by the server to transfer the
2328#        current Viewpoint settings
2329# USAGE: Camera reset
2330#        Reset the camera to the default view
2331#
2332itcl::body Rappture::MapViewer::Camera {option args} {
2333    switch -- $option {
2334        "get" {
2335            # We got the camera settings from the server
2336            foreach name {x y z heading pitch distance srs verticalDatum} value $args {
2337                set _view($name) $value
2338            }
2339            #DebugTrace "view: $_view(x), $_view(y), $_view(z), $_view(heading), $_view(pitch), $_view(distance), {$_view(srs)}, {$_view(verticalDatum)}"
2340        }
2341        "go" {
2342            SendCmd "camera go $args"
2343        }
2344        "reset" {
2345            array set _view {
2346                x               0.0
2347                y               0.0
2348                z               0.0
2349                heading         0.0
2350                pitch           -89.9
2351                distance        1.0
2352                srs             ""
2353                verticalDatum   ""
2354            }
2355            if { [info exists _mapsettings(camera)] } {
2356                # Check if the tool specified a default
2357                set view $_mapsettings(camera)
2358                if { $view != "" } {
2359                    array set cam $view
2360                    set duration 0.0
2361                    if {[info exists cam(xmin)] && [info exists cam(ymin)] &&
2362                        [info exists cam(xmax)] && [info exists cam(ymax)]} {
2363                        set srs ""
2364                        if {[info exists cam(srs)]} {
2365                            set srs $cam(srs)
2366                        }
2367                        SendCmd [list camera extent $cam(xmin) $cam(ymin) $cam(xmax) $cam(ymax) $duration $srs]
2368                    } else {
2369                        array set _view $view
2370                        SendCmd [list camera set $_view(x) $_view(y) $_view(z) $_view(heading) $_view(pitch) $_view(distance) $duration $_view(srs) $_view(verticalDatum)]
2371                    }
2372                } else {
2373                    SendCmd "camera reset"
2374                    # Retrieve the settings
2375                    #SendCmd "camera get"
2376                }
2377            } else {
2378                SendCmd "camera reset"
2379                # Retrieve the settings
2380                #SendCmd "camera get"
2381            }
2382        }
2383        "set" {
2384            set who [lindex $args 0]
2385            if {$who != "all" && $who != "srs" && $who != "verticalDatum"} {
2386                set val $_view($who)
2387                set code [catch { string is double $val } result]
2388                if { $code != 0 || !$result } {
2389                    return
2390                }
2391            }
2392            switch -- $who {
2393                "distance" {
2394                    SendCmd [list camera dist $_view(distance)]
2395                }
2396                "all" - "x" - "y" - "z" - "heading" - "pitch" - "srs" - "verticalDatum" {
2397                    set duration 0.0
2398                    SendCmd [list camera set $_view(x) $_view(y) $_view(z) $_view(heading) $_view(pitch) $_view(distance) $duration $_view(srs) $_view(verticalDatum)]
2399                }
2400            }
2401        }
2402    }
2403}
2404
2405itcl::body Rappture::MapViewer::GoToViewpoint { dataobj viewpoint } {
2406    array set view [subst {
2407        x 0
2408        y 0
2409        z 0
2410        heading 0
2411        pitch -90
2412        distance $_view(distance)
2413        srs "$_view(srs)"
2414        verticalDatum "$_view(verticalDatum)"
2415    }]
2416    array set view [$dataobj viewpoint $viewpoint]
2417    foreach key {x y z heading pitch distance srs verticalDatum} {
2418        if { [info exists view($key)] } {
2419            set _view($key) $view($key)
2420        }
2421    }
2422    # If map is projected, ignore pitch
2423    if {![MapIsGeocentric]} {
2424        set _view(pitch) -90
2425    }
2426    set duration 2.0
2427    SendCmd [list camera set $_view(x) $_view(y) $_view(z) $_view(heading) $_view(pitch) $_view(distance) $duration $_view(srs) $_view(verticalDatum)]
2428}
2429
2430itcl::body Rappture::MapViewer::GetImage { args } {
2431    if { [image width $_image(download)] > 0 &&
2432         [image height $_image(download)] > 0 } {
2433        set bytes [$_image(download) data -format "jpeg -quality 100"]
2434        set bytes [Rappture::encoding::decode -as b64 $bytes]
2435        return [list .jpg $bytes]
2436    }
2437    return ""
2438}
2439
2440itcl::body Rappture::MapViewer::BuildDownloadPopup { popup command } {
2441    Rappture::Balloon $popup \
2442        -title "[Rappture::filexfer::label downloadWord] as..."
2443    set inner [$popup component inner]
2444    label $inner.summary -text "" -anchor w
2445
2446    radiobutton $inner.image_button -text "Image File" \
2447        -variable [itcl::scope _downloadPopup(format)] \
2448        -value image
2449    Rappture::Tooltip::for $inner.image_button \
2450        "Save as digital image."
2451
2452    button $inner.ok -text "Save" \
2453        -highlightthickness 0 -pady 2 -padx 3 \
2454        -command $command \
2455        -compound left \
2456        -image [Rappture::icon download]
2457
2458    button $inner.cancel -text "Cancel" \
2459        -highlightthickness 0 -pady 2 -padx 3 \
2460        -command [list $popup deactivate] \
2461        -compound left \
2462        -image [Rappture::icon cancel]
2463
2464    blt::table $inner \
2465        0,0 $inner.summary -cspan 2  \
2466        2,0 $inner.image_button -anchor w -cspan 2 -padx { 4 0 } \
2467        4,1 $inner.cancel -width .9i -fill y \
2468        4,0 $inner.ok -padx 2 -width .9i -fill y
2469    blt::table configure $inner r3 -height 4
2470    blt::table configure $inner r4 -pady 4
2471    raise $inner.image_button
2472    $inner.image_button invoke
2473    return $inner
2474}
2475
2476itcl::body Rappture::MapViewer::ToggleGrid {} {
2477    set _settings(grid) [expr !$_settings(grid)]
2478    AdjustSetting grid
2479}
2480
2481itcl::body Rappture::MapViewer::ToggleLighting {} {
2482    set _settings(terrain-lighting) [expr !$_settings(terrain-lighting)]
2483    AdjustSetting terrain-lighting
2484}
2485
2486itcl::body Rappture::MapViewer::ToggleWireframe {} {
2487    set _settings(terrain-wireframe) [expr !$_settings(terrain-wireframe)]
2488    AdjustSetting terrain-wireframe
2489}
2490
2491itcl::body Rappture::MapViewer::SetTerrainStyle { style } {
2492    array set settings {
2493        -ambient 0.03
2494        -color white
2495        -edgecolor black
2496        -edges 0
2497        -lighting 1
2498        -linewidth 1.0
2499        -vertscale 1.0
2500        -wireframe 0
2501    }
2502    array set settings $style
2503
2504    SendCmd "map terrain ambient $settings(-ambient)"
2505    set _settings(terrain-ambient) $settings(-ambient)
2506    SendCmd "map terrain edges $settings(-edges)"
2507    set _settings(terrain-edges) $settings(-edges)
2508    SendCmd "map terrain color [Color2RGB $settings(-color)]"
2509    #SendCmd "map terrain colormode constant"
2510    SendCmd "map terrain lighting $settings(-lighting)"
2511    set _settings(terrain-lighting) $settings(-lighting)
2512    SendCmd "map terrain linecolor [Color2RGB $settings(-edgecolor)]"
2513    #SendCmd "map terrain linewidth $settings(-linewidth)"
2514    SendCmd "map terrain vertscale $settings(-vertscale)"
2515    set _settings(terrain-vertscale) $settings(-vertscale)
2516    SendCmd "map terrain wireframe $settings(-wireframe)"
2517    set _settings(terrain-wireframe) $settings(-wireframe)
2518}
2519
2520itcl::body Rappture::MapViewer::SendStylesheetFiles { stylesheet } {
2521    set files [Rappture::Map::getFilesFromStylesheet $stylesheet]
2522    foreach file $files {
2523        SendFiles $file
2524    }
2525}
2526
2527itcl::body Rappture::MapViewer::SendFiles { path } {
2528    set isRelative [expr {[string first "://" $path] < 0 &&
2529                          [string index $path 0] != "/"}]
2530    if {[string range $path 0 7] != "local://" &&
2531        !$isRelative} {
2532        return
2533    }
2534    DebugTrace "Local path: $path"
2535    if {!$isRelative} {
2536        set path [string range $path 8 end]
2537    }
2538    set basename [file rootname $path]
2539    if {[catch {set files [glob -path $basename .*]} err] != 0} {
2540        puts stderr "File not found: $path"
2541        return
2542    }
2543    foreach file $files {
2544        set name $file
2545        set type [file type $file]
2546        set size [file size $file]
2547        set f [open $file "r"]
2548        fconfigure $f -translation binary -encoding binary
2549        set data [read $f]
2550        close $f
2551        SendCmd [list file put $name $type $size]
2552        SendData $data
2553    }
2554}
2555
2556itcl::body Rappture::MapViewer::SetLayerStyle { dataobj layer } {
2557    array set info [$dataobj layer $layer]
2558    set tag $layer
2559    if { !$info(shared) } {
2560        set tag $dataobj-$layer
2561    }
2562    if { [info exists info(visible)] &&
2563         !$info(visible) } {
2564        set _visibility($tag) 0
2565    } else {
2566        set _visibility($tag) 1
2567    }
2568
2569    switch -- $info(type) {
2570        "image" {
2571            array set style {
2572                -minlevel 0
2573                -maxlevel 23
2574                -opacity 1.0
2575            }
2576            if { [info exists info(style)] } {
2577                DebugTrace "layer style: $info(style)"
2578                array set style $info(style)
2579            }
2580            if { [info exists info(opacity)] } {
2581                set style(-opacity) $info(opacity)
2582                set _opacity($tag) $info(opacity)
2583            }
2584            set _opacity($tag) [expr $style(-opacity) * 100]
2585            set coverage 0
2586            if { [info exists info(coverage)] } {
2587                set coverage $info(coverage)
2588            }
2589            switch -- $info(driver) {
2590                "arcgis" {
2591                    SendCmd [list map layer add $tag image arcgis \
2592                                 $info(arcgis.url) $info(cache) $coverage $info(arcgis.token)]
2593                }
2594                "colorramp" {
2595                    set cmapName "[regsub -all {::} ${tag} {}]"
2596                    SendFiles $info(colorramp.url)
2597                    SendCmd [list colormap define $cmapName $info(colorramp.colormap)]
2598                    SendCmd [list map layer add $tag image colorramp \
2599                                 $info(colorramp.url) $info(cache) $coverage $info(colorramp.elevdriver) $info(profile)  \
2600                                 $cmapName]
2601                }
2602                "debug" {
2603                    SendCmd [list map layer add $tag image debug]
2604                }
2605                "gdal" {
2606                    SendFiles $info(gdal.url)
2607                    SendCmd [list map layer add $tag image gdal \
2608                                 $info(gdal.url) $info(cache) $coverage]
2609                }
2610                "tms" {
2611                    SendCmd [list map layer add $tag image tms \
2612                                 $info(tms.url) $info(cache) $coverage]
2613                }
2614                "wms" {
2615                    SendCmd [list map layer add $tag image wms \
2616                                 $info(wms.url) $info(cache) $coverage \
2617                                 $info(wms.layers) \
2618                                 $info(wms.format) \
2619                                 $info(wms.transparent)]
2620                }
2621                "xyz" {
2622                    SendCmd [list map layer add $tag image xyz \
2623                                 $info(xyz.url) $info(cache) $coverage]
2624                }
2625            }
2626            SendCmd "map layer opacity $style(-opacity) $tag"
2627        }
2628        "elevation" {
2629            array set style {
2630                -minlevel 0
2631                -maxlevel 23
2632            }
2633            if { [info exists info(style)] } {
2634                array set style $info(style)
2635            }
2636            switch -- $info(driver)  {
2637                "gdal" {
2638                    SendFiles $info(gdal.url)
2639                    SendCmd [list map layer add $tag elevation gdal \
2640                                 $info(gdal.url) $info(cache)]
2641                }
2642                "tms" {
2643                    SendCmd [list map layer add $tag elevation tms \
2644                                 $info(tms.url) $info(cache)]
2645                }
2646                "wcs" {
2647                    SendCmd [list map layer add $tag elevation wcs \
2648                                 $info(wcs.url) $info(cache) $info(wcs.identifier)]
2649                }
2650            }
2651        }
2652        "feature" {
2653            array set style {
2654                -opacity 1.0
2655            }
2656            if { [info exists info(style)] } {
2657                DebugTrace "layer style: $info(style)"
2658                array set style $info(style)
2659            }
2660            if { [info exists info(opacity)] } {
2661                set style(-opacity) $info(opacity)
2662            }
2663            set _opacity($tag) [expr $style(-opacity) * 100]
2664            DebugTrace "stylesheet: $info(stylesheet)"
2665            set script ""
2666            if { [info exists info(script)] } {
2667                set script $info(script)
2668                DebugTrace "script: $script"
2669            }
2670            set selectors [list]
2671            foreach selector [$dataobj selectors $layer] {
2672                array set sinfo [$dataobj selector $layer $selector]
2673                DebugTrace "$selector: [array get sinfo]"
2674                lappend selectors [array get sinfo]
2675                if {[info exists sinfo(styleExpression)]} {
2676                    DebugTrace "$selector: $sinfo(styleExpression)"
2677                } elseif {[info exists sinfo(query)]} {
2678                    if {[info exists sinfo(queryBounds)]} {
2679                        foreach {x1 y1 x2 y2} $sinfo(queryBounds) break
2680                        DebugTrace "queryBounds: xmin $x1 ymin $y1 xmax $x2 ymax $y2"
2681                    }
2682                }
2683            }
2684            set format ""
2685            set wfsType ""
2686            SendStylesheetFiles $info(stylesheet)
2687            if { [info exists info(ogr.connection)] } {
2688                set cmd [list map layer add $tag feature db $format $info(ogr.layer) $info(ogr.connection) $info(cache) $info(stylesheet) $script $selectors]
2689                if {[info exists style(-minrange)] && [info exists style(-maxrange)]} {
2690                    lappend cmd $style(-minrange) $style(-maxrange)
2691                }
2692            } else {
2693                set cmd [list map layer add $tag feature $info(driver) $format $wfsType $info(ogr.url) $info(cache) $info(stylesheet) $script $selectors]
2694                if {[info exists style(-minrange)] && [info exists style(-maxrange)]} {
2695                    lappend cmd $style(-minrange) $style(-maxrange)
2696                }
2697                SendFiles $info(ogr.url)
2698            }
2699            SendCmd $cmd
2700            SendCmd "map layer opacity $style(-opacity) $tag"
2701        }
2702        "line" {
2703            array set style {
2704                -cap "flat"
2705                -clamping terrain
2706                -clamptechnique gpu
2707                -color black
2708                -join "mitre"
2709                -minbias 1000
2710                -opacity 1.0
2711                -stipplepattern 0
2712                -stipplefactor 1
2713                -width 1
2714            }
2715            if { [info exists info(style)] } {
2716                array set style $info(style)
2717            }
2718            if { [info exists info(opacity)] } {
2719                set style(-opacity) $info(opacity)
2720            }
2721            set _opacity($tag) [expr $style(-opacity) * 100]
2722            foreach {r g b} [Color2RGB $style(-color)] {}
2723            switch -- $info(driver)  {
2724                "ogr" {
2725                    SendFiles $info(ogr.url)
2726                    if {[info exists style(-minrange)] && [info exists style(-maxrange)]} {
2727                        SendCmd [list map layer add $tag line ogr {} {} $info(ogr.url) $info(cache) $r $g $b $style(-width) $style(-cap) $style(-join) $style(-stipplepattern) $style(-stipplefactor) $style(-clamping) $style(-clamptechnique) $style(-minrange) $style(-maxrange)]
2728                    } else {
2729                        SendCmd [list map layer add $tag line ogr {} {} $info(ogr.url) $info(cache) $r $g $b $style(-width) $style(-cap) $style(-join) $style(-stipplepattern) $style(-stipplefactor) $style(-clamping) $style(-clamptechnique)]
2730                    }
2731                }
2732                "tfs" {
2733                    set format "json"
2734                    if {[info exists info(tfs.format)]} {
2735                        set format $info(tfs.format)
2736                    }
2737                    if {[info exists style(-minrange)] && [info exists style(-maxrange)]} {
2738                        SendCmd [list map layer add $tag line tfs $format {} $info(tfs.url) $info(cache) $r $g $b $style(-width) $style(-cap) $style(-join) $style(-stipplepattern) $style(-stipplefactor) $style(-clamping) $style(-clamptechnique) $style(-minrange) $style(-maxrange)]
2739                    } else {
2740                        SendCmd [list map layer add $tag line tfs $format {} $info(tfs.url) $info(cache) $r $g $b $style(-width) $style(-cap) $style(-join) $style(-stipplepattern) $style(-stipplefactor) $style(-clamping) $style(-clamptechnique)]
2741                    }
2742                }
2743                "wfs" {
2744                    set format "json"
2745                    if {[info exists info(wfs.format)]} {
2746                        set format $info(wfs.format)
2747                    }
2748                    if {[info exists style(-minrange)] && [info exists style(-maxrange)]} {
2749                        SendCmd [list map layer add $tag line wfs $format $info(wfs.typename) $info(wfs.url) $info(cache) $r $g $b $style(-width) $style(-cap) $style(-join) $style(-stipplepattern) $style(-stipplefactor) $style(-clamping) $style(-clamptechnique) $style(-minrange) $style(-maxrange)]
2750                    } else {
2751                        SendCmd [list map layer add $tag line wfs $format $info(wfs.typename) $info(wfs.url) $info(cache) $r $g $b $style(-width) $style(-cap) $style(-join) $style(-stipplepattern) $style(-stipplefactor) $style(-clamping) $style(-clamptechnique)]
2752                    }
2753                }
2754            }
2755            SendCmd "map layer opacity $style(-opacity) $tag"
2756        }
2757        "point" {
2758            array set style {
2759                -color black
2760                -minbias 1000
2761                -opacity 1.0
2762                -size 1
2763            }
2764            if { [info exists info(style)] } {
2765                array set style $info(style)
2766            }
2767            if { [info exists info(opacity)] } {
2768                set style(-opacity) $info(opacity)
2769            }
2770            set _opacity($tag) [expr $style(-opacity) * 100]
2771            foreach {r g b} [Color2RGB $style(-color)] {}
2772            switch -- $info(driver)  {
2773                "ogr" {
2774                    SendFiles $info(ogr.url)
2775                    if {[info exists style(-minrange)] && [info exists style(-maxrange)]} {
2776                        SendCmd [list map layer add $tag point ogr {} {} $info(ogr.url) $info(cache) $r $g $b $style(-size) $style(-minrange) $style(-maxrange)]
2777                    } else {
2778                        SendCmd [list map layer add $tag point ogr {} {} $info(ogr.url) $info(cache) $r $g $b $style(-size)]
2779                    }
2780                }
2781                "tfs" {
2782                    set format "json"
2783                    if {[info exists info(tfs.format)]} {
2784                        set format $info(tfs.format)
2785                    }
2786                    if {[info exists style(-minrange)] && [info exists style(-maxrange)]} {
2787                        SendCmd [list map layer add $tag point tfs $format {} $info(ogr.url) $info(cache) $r $g $b $style(-size) $style(-minrange) $style(-maxrange)]
2788                    } else {
2789                        SendCmd [list map layer add $tag point tfs $format {} $info(ogr.url) $info(cache) $r $g $b $style(-size)]
2790                    }
2791                }
2792                "wfs" {
2793                    set format "json"
2794                    if {[info exists info(wfs.format)]} {
2795                        set format $info(wfs.format)
2796                    }
2797                    if {[info exists style(-minrange)] && [info exists style(-maxrange)]} {
2798                        SendCmd [list map layer add $tag point wfs $format $info(wfs.typename) $info(ogr.url) $info(cache) $r $g $b $style(-size) $style(-minrange) $style(-maxrange)]
2799                    } else {
2800                        SendCmd [list map layer add $tag point wfs $format $info(wfs.typename) $info(ogr.url) $info(cache) $r $g $b $style(-size)]
2801                    }
2802                }
2803            }
2804            SendCmd "map layer opacity $style(-opacity) $tag"
2805        }
2806        "icon" {
2807            array set style {
2808                -align "center_bottom"
2809                -declutter 1
2810                -heading {}
2811                -icon pin
2812                -minbias 1000
2813                -opacity 1.0
2814                -placement "vertex"
2815                -scale {}
2816            }
2817            if { [info exists info(style)] } {
2818                array set style $info(style)
2819            }
2820            if { [info exists info(opacity)] } {
2821                set style(-opacity) $info(opacity)
2822            }
2823            set _opacity($tag) [expr $style(-opacity) * 100]
2824            switch -- $info(driver)  {
2825                "ogr" {
2826                    SendFiles $info(ogr.url)
2827                    if {[info exists style(-minrange)] && [info exists style(-maxrange)]} {
2828                        SendCmd [list map layer add $tag icon ogr {} {} $info(ogr.url) $info(cache) $style(-icon) $style(-scale) $style(-heading) $style(-declutter) $style(-placement) $style(-align) $style(-minrange) $style(-maxrange)]
2829                    } else {
2830                        SendCmd [list map layer add $tag icon ogr {} {} $info(ogr.url) $info(cache) $style(-icon) $style(-scale) $style(-heading) $style(-declutter) $style(-placement) $style(-align)]
2831                    }
2832                }
2833                "tfs" {
2834                    set format "json"
2835                    if {[info exists info(tfs.format)]} {
2836                        set format $info(tfs.format)
2837                    }
2838                    if {[info exists style(-minrange)] && [info exists style(-maxrange)]} {
2839                        SendCmd [list map layer add $tag icon tfs $format {} $info(tfs.url) $info(cache) $style(-icon) $style(-scale) $style(-heading) $style(-declutter) $style(-placement) $style(-align) $style(-minrange) $style(-maxrange)]
2840                    } else {
2841                        SendCmd [list map layer add $tag icon tfs $format {} $info(tfs.url) $info(cache) $style(-icon) $style(-scale) $style(-heading) $style(-declutter) $style(-placement) $style(-align)]
2842                    }
2843                }
2844                "wfs" {
2845                    set format "json"
2846                    if {[info exists info(wfs.format)]} {
2847                        set format $info(wfs.format)
2848                    }
2849                    if {[info exists style(-minrange)] && [info exists style(-maxrange)]} {
2850                        SendCmd [list map layer add $tag icon wfs $format $info(wfs.typename) $info(wfs.url) $info(cache) $style(-icon) $style(-scale) $style(-heading) $style(-declutter) $style(-placement) $style(-align) $style(-minrange) $style(-maxrange)]
2851                    } else {
2852                        SendCmd [list map layer add $tag icon wfs $format $info(wfs.typename) $info(wfs.url) $info(cache) $style(-icon) $style(-scale) $style(-heading) $style(-declutter) $style(-placement) $style(-align)]
2853                    }
2854                }
2855            }
2856            SendCmd "map layer opacity $style(-opacity) $tag"
2857        }
2858        "polygon" {
2859            array set style {
2860                -clamping terrain
2861                -clamptechnique drape
2862                -color white
2863                -minbias 1000
2864                -opacity 1.0
2865                -strokecolor black
2866                -strokewidth 0.0
2867            }
2868            if { [info exists info(style)] } {
2869                array set style $info(style)
2870            }
2871            if { [info exists info(opacity)] } {
2872                set style(-opacity) $info(opacity)
2873            }
2874            set _opacity($tag) [expr $style(-opacity) * 100]
2875            foreach {r g b} [Color2RGB $style(-color)] {}
2876            foreach {strokeR strokeG strokeB} [Color2RGB $style(-strokecolor)] {}
2877            switch -- $info(driver)  {
2878                "ogr" {
2879                    SendFiles $info(ogr.url)
2880                    if {[info exists style(-minrange)] && [info exists style(-maxrange)]} {
2881                        SendCmd [list map layer add $tag polygon ogr {} {} $info(ogr.url) $info(cache) $r $g $b $style(-strokewidth) $strokeR $strokeG $strokeB $style(-clamping) $style(-clamptechnique) $style(-minrange) $style(-maxrange)]
2882                    } else {
2883                        SendCmd [list map layer add $tag polygon ogr {} {} $info(ogr.url) $info(cache) $r $g $b $style(-strokewidth) $strokeR $strokeG $strokeB $style(-clamping) $style(-clamptechnique)]
2884                    }
2885                }
2886                "tfs" {
2887                    set format "json"
2888                    if {[info exists info(tfs.format)]} {
2889                        set format $info(tfs.format)
2890                    }
2891                    if {[info exists style(-minrange)] && [info exists style(-maxrange)]} {
2892                        SendCmd [list map layer add $tag polygon tfs $format {} $info(tfs.url) $info(cache) $r $g $b $style(-strokewidth) $strokeR $strokeG $strokeB $style(-clamping) $style(-clamptechnique) $style(-minrange) $style(-maxrange)]
2893                    } else {
2894                        SendCmd [list map layer add $tag polygon tfs $format {} $info(tfs.url) $info(cache) $r $g $b $style(-strokewidth) $strokeR $strokeG $strokeB $style(-clamping) $style(-clamptechnique)]
2895                    }
2896                }
2897                "wfs" {
2898                    set format "json"
2899                    if {[info exists info(wfs.format)]} {
2900                        set format $info(wfs.format)
2901                    }
2902                    if {[info exists style(-minrange)] && [info exists style(-maxrange)]} {
2903                        SendCmd [list map layer add $tag polygon wfs $format $info(wfs.typename) $info(wfs.url) $info(cache) $r $g $b $style(-strokewidth) $strokeR $strokeG $strokeB $style(-clamping) $style(-clamptechnique) $style(-minrange) $style(-maxrange)]
2904                    } else {
2905                        SendCmd [list map layer add $tag polygon wfs $format $info(wfs.typename) $info(wfs.url) $info(cache) $r $g $b $style(-strokewidth) $strokeR $strokeG $strokeB $style(-clamping) $style(-clamptechnique)]
2906                    }
2907                }
2908            }
2909            SendCmd "map layer opacity $style(-opacity) $tag"
2910        }
2911        "label" {
2912            array set style {
2913                -align "left_baseline"
2914                -color black
2915                -declutter 1
2916                -font Arial
2917                -fontsize 16.0
2918                -halocolor white
2919                -halowidth 2.0
2920                -layout "left_to_right"
2921                -minbias 1000
2922                -opacity 1.0
2923                -removedupes 1
2924                -xoffset 0
2925                -yoffset 0
2926            }
2927            if { [info exists info(style)] } {
2928                array set style $info(style)
2929            }
2930            if { [info exists info(opacity)] } {
2931                set style(-opacity) $info(opacity)
2932            }
2933            set _opacity($tag) [expr $style(-opacity) * 100]
2934            set contentExpr $info(content)
2935            if {[info exists info(priority)]} {
2936                set priorityExpr $info(priority)
2937            } else {
2938                set priorityExpr ""
2939            }
2940            foreach {fgR fgG fgB} [Color2RGB $style(-color)] {}
2941            foreach {bgR bgG bgB} [Color2RGB $style(-halocolor)] {}
2942            switch -- $info(driver)  {
2943                "ogr" {
2944                    SendFiles $info(ogr.url)
2945                    if {[info exists style(-minrange)] && [info exists style(-maxrange)]} {
2946                        SendCmd [list map layer add $tag text ogr {} {} $info(ogr.url) $info(cache) $contentExpr $priorityExpr $fgR $fgG $fgB $bgR $bgG $bgB $style(-halowidth) $style(-fontsize) $style(-removedupes) $style(-declutter) $style(-align) $style(-xoffset) $style(-yoffset) $style(-minrange) $style(-maxrange)]
2947                    } else {
2948                        SendCmd [list map layer add $tag text ogr {} {} $info(ogr.url) $info(cache) $contentExpr $priorityExpr $fgR $fgG $fgB $bgR $bgG $bgB $style(-halowidth) $style(-fontsize) $style(-removedupes) $style(-declutter) $style(-align) $style(-xoffset) $style(-yoffset)]
2949                    }
2950                }
2951                "tfs" {
2952                    set format "json"
2953                    if {[info exists info(tfs.format)]} {
2954                        set format $info(tfs.format)
2955                    }
2956                    if {[info exists style(-minrange)] && [info exists style(-maxrange)]} {
2957                        SendCmd [list map layer add $tag text tfs $format {} $info(tfs.url) $info(cache) $contentExpr $priorityExpr $fgR $fgG $fgB $bgR $bgG $bgB $style(-halowidth) $style(-fontsize) $style(-removedupes) $style(-declutter) $style(-align) $style(-xoffset) $style(-yoffset) $style(-minrange) $style(-maxrange)]
2958                    } else {
2959                        SendCmd [list map layer add $tag text tfs $format {} $info(tfs.url) $info(cache) $contentExpr $priorityExpr $fgR $fgG $fgB $bgR $bgG $bgB $style(-halowidth) $style(-fontsize) $style(-removedupes) $style(-declutter) $style(-align) $style(-xoffset) $style(-yoffset)]
2960                    }
2961                }
2962                "wfs" {
2963                    set format "json"
2964                    if {[info exists info(wfs.format)]} {
2965                        set format $info(wfs.format)
2966                    }
2967                    if {[info exists style(-minrange)] && [info exists style(-maxrange)]} {
2968                        SendCmd [list map layer add $tag text wfs $format $info(wfs.typename) $info(wfs.url) $contentExpr $priorityExpr $fgR $fgG $fgB $bgR $bgG $bgB $style(-halowidth) $style(-fontsize) $style(-removedupes) $style(-declutter) $style(-align) $style(-xoffset) $style(-yoffset) $style(-minrange) $style(-maxrange)]
2969                    } else {
2970                        SendCmd [list map layer add $tag text wfs $format $info(wfs.typename) $info(wfs.url) $contentExpr $priorityExpr $fgR $fgG $fgB $bgR $bgG $bgB $style(-halowidth) $style(-fontsize) $style(-removedupes) $style(-declutter) $style(-align) $style(-xoffset) $style(-yoffset)]
2971                    }
2972                }
2973            }
2974            SendCmd "map layer opacity $style(-opacity) $tag"
2975        }
2976    }
2977
2978    if {[info exists info(placard)]} {
2979        if {$info(type) == "image" || $info(type) == "elevation"} {
2980            error "Placard not supported on image or elevation layers"
2981        }
2982        array set placard [$dataobj getPlacardConfig $layer]
2983        SendCmd [list placard config $placard(attrlist) $placard(style) $placard(padding) $tag]
2984    }
2985
2986    SendCmd "map layer visible $_visibility($tag) $tag"
2987}
2988
2989itcl::body Rappture::MapViewer::SetLayerOpacity { dataobj layer {value 100}} {
2990    set tag $layer
2991    if {![$dataobj layer $layer shared]} {
2992        set tag $dataobj-$layer
2993    }
2994    set val $_opacity($tag)
2995    set sval [expr { 0.01 * double($val) }]
2996    SendCmd "map layer opacity $sval $tag"
2997}
2998
2999itcl::body Rappture::MapViewer::SetLayerVisibility { dataobj layer } {
3000    set tag $layer
3001    if {![$dataobj layer $layer shared]} {
3002        set tag $dataobj-$layer
3003    }
3004    set bool $_visibility($tag)
3005    SendCmd "map layer visible $bool $tag"
3006}
3007
3008itcl::body Rappture::MapViewer::UpdateLayerControls {} {
3009    set row 0
3010    set inner $_layersFrame
3011    if { [winfo exists $inner.layers] } {
3012        foreach w [winfo children $inner.layers] {
3013            destroy $w
3014        }
3015    }
3016    set f $inner.layers
3017    set attrib [list]
3018    set imgIdx 0
3019    # FIXME: This order may not match stacking order in server
3020    foreach dataobj [get -objects] {
3021        foreach layer [$dataobj layers] {
3022            array unset info
3023            array set info [$dataobj layer $layer]
3024            set tag $layer
3025            set ctlname $layer
3026            if {!$info(shared)} {
3027                set tag $dataobj-$layer
3028                set ctlname "[regsub -all {::} ${tag} {}]"
3029            }
3030            checkbutton $f.${ctlname}_visible \
3031                -text $info(label) \
3032                -font "Arial 9" -anchor w \
3033                -variable [itcl::scope _visibility($tag)] \
3034                -command [itcl::code $this \
3035                              SetLayerVisibility $dataobj $layer]
3036            blt::table $f $row,0 $f.${ctlname}_visible -anchor w -pady 2 -cspan 2
3037            incr row
3038            if { $info(type) == "image" } {
3039                incr imgIdx
3040                if { $info(driver) == "colorramp" } {
3041                    set colormap $ctlname
3042                    if { ![info exists _image(legend-$colormap)] } {
3043                        set _image(legend-$colormap) [image create photo]
3044                    }
3045                    itk_component add legend-$colormap-min {
3046                        label $f.legend-$colormap-min -text 0
3047                    }
3048                    itk_component add legend-$colormap-max {
3049                        label $f.legend-$colormap-max -text 1
3050                    }
3051                    itk_component add legend-$colormap {
3052                        label $f.legend-$colormap -image $_image(legend-$colormap)
3053                    }
3054                    blt::table $f $row,0 $f.legend-$colormap-min -anchor w -pady 0
3055                    blt::table $f $row,1 $f.legend-$colormap-max -anchor e -pady 0
3056                    incr row
3057                    blt::table $f $row,0 $f.legend-$colormap -anchor w -pady 2 -cspan 2
3058                    incr row
3059                    RequestLegend $colormap 256 16
3060                }
3061            }
3062            if { $info(type) != "elevation" &&
3063                ($info(type) != "image" || $imgIdx > 1) } {
3064                label $f.${ctlname}_opacity_l -text "Opacity" -font "Arial 9"
3065                ::scale $f.${ctlname}_opacity -from 0 -to 100 \
3066                    -orient horizontal -showvalue off \
3067                    -variable [itcl::scope _opacity($tag)] \
3068                    -width 10 \
3069                    -command [itcl::code $this \
3070                                  SetLayerOpacity $dataobj $layer]
3071                Rappture::Tooltip::for $f.${ctlname}_opacity "Set opacity of $info(label) layer"
3072                blt::table $f $row,0 $f.${ctlname}_opacity_l -anchor w -pady 2
3073                blt::table $f $row,1 $f.${ctlname}_opacity -anchor w -pady 2
3074                incr row
3075            }
3076            set tooltip [list $info(description)]
3077            if { [info exists info(attribution)] &&
3078                 $info(attribution) != ""} {
3079                lappend tooltip $info(attribution)
3080            }
3081            Rappture::Tooltip::for $f.${ctlname}_visible [join $tooltip \n]
3082        }
3083        set mapAttrib [$dataobj hints "attribution"]
3084        if { $mapAttrib != "" } {
3085            lappend attrib $mapAttrib
3086        }
3087    }
3088    SendCmd "[list map attrib [encoding convertto utf-8 [join $attrib ,]]]"
3089    label $f.map_attrib -text [join $attrib \n] -font "Arial 9"
3090    blt::table $f $row,0 $f.map_attrib -anchor sw -pady 2 -cspan 2
3091    #incr row
3092    if { $row > 0 } {
3093        blt::table configure $f r* c* -resize none
3094        blt::table configure $f r$row c1 -resize expand
3095    }
3096}
3097
3098itcl::body Rappture::MapViewer::UpdateViewpointControls {} {
3099    set row 0
3100    set inner $_viewpointsFrame
3101    if { [winfo exists $inner.viewpoints] } {
3102        foreach w [winfo children $inner.viewpoints] {
3103            destroy $w
3104        }
3105    }
3106    set f $inner.viewpoints
3107    foreach dataobj [get -objects] {
3108        foreach viewpoint [$dataobj viewpoints] {
3109            array unset info
3110            array set info [$dataobj viewpoint $viewpoint]
3111            button $f.${viewpoint}_go \
3112                -relief flat -compound left \
3113                -image [Rappture::icon placemark16] \
3114                -text $info(label) \
3115                -font "Arial 9" -anchor w \
3116                -command [itcl::code $this \
3117                              GoToViewpoint $dataobj $viewpoint]
3118            label $f.${viewpoint}_label \
3119                -text $info(label) \
3120                -font "Arial 9" -anchor w
3121            blt::table $f $row,0 $f.${viewpoint}_go -anchor w -pady 2 -cspan 2
3122            #blt::table $f $row,1 $f.${viewpoint}_label -anchor w -pady 2
3123            Rappture::Tooltip::for $f.${viewpoint}_go $info(description)
3124            incr row
3125        }
3126    }
3127    if { $row > 0 } {
3128        blt::table configure $f r* c* -resize none
3129        blt::table configure $f r$row c1 -resize expand
3130    }
3131}
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