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source: trunk/gui/scripts/mapviewer.tcl @ 5956

Last change on this file since 5956 was 5956, checked in by dkearney, 9 years ago
merging in mapping layer objects, examples, and tests from the geomap branch.
File size: 111.9 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) 2004-2012 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	# ======================================================================
14	package require Itk
15	package require BLT
16	#package require Img
17
18	option add *MapViewer.width 4i widgetDefault
19	option add MapViewercursor crosshair widgetDefault
20	option add *MapViewer.height 4i widgetDefault
21	option add *MapViewer.foreground black widgetDefault
22	option add *MapViewer.controlBackground gray widgetDefault
23	option add *MapViewer.controlDarkBackground #999999 widgetDefault
24	option add *MapViewer.plotBackground black widgetDefault
25	option add *MapViewer.plotForeground white widgetDefault
26	option add *MapViewer.font \
27	--helvetica-medium-r-normal--12-* widgetDefault
28
29	# must use this name -- plugs into Rappture::resources::load
30	proc MapViewer_init_resources {} {
31	Rappture::resources::register \
32	geovis_server Rappture::MapViewer::SetServerList
33	}
34
35	itcl::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 { hostlist args } {
42	Rappture::VisViewer::constructor $hostlist
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 remove {args}
56	public method disconnect {}
57	public method download {option args}
58	public method get {args}
59	public method isconnected {}
60	public method parameters {title args} {
61	# do nothing
62	}
63	public method scale {args}
64	public method select {option {args ""}}
65	public method setSelectCallback {cmd}
66
67	public method send { cmd }
68
69	private method KeyPress { key }
70	private method KeyRelease { key }
71	private method MouseClick { button x y }
72	private method MouseDoubleClick { button x y }
73	private method MouseDrag { button x y }
74	private method MouseMotion {}
75	private method MouseRelease { button x y }
76	private method MouseScroll { direction }
77
78	# The following methods are only used by this class.
79	private method AdjustSetting {what {value ""}}
80	private method BuildCameraTab {}
81	private method BuildDownloadPopup { widget command }
82	private method BuildHelpTab {}
83	private method BuildLayerTab {}
84	private method BuildMapTab {}
85	private method BuildTerrainTab {}
86	private method BuildViewpointsTab {}
87	private method Connect {}
88	private method CurrentLayers {args}
89	private method DisablePanningMouseBindings {}
90	private method DisableRotationMouseBindings {}
91	private method DisableZoomMouseBindings {}
92	private method Disconnect {}
93	private method DoPan {}
94	private method DoResize {}
95	private method DoRotate {}
96	private method DoSelect {}
97	private method DoSelectCallback {option {args ""}}
98	private method DrawLegend { colormap min max }
99	private method EarthFile {}
100	private method EnablePanningMouseBindings {}
101	private method EnableRotationMouseBindings {}
102	private method EnableZoomMouseBindings {}
103	private method EventuallyHandleMotionEvent { x y }
104	private method EventuallyPan { dx dy }
105	private method EventuallyResize { w h }
106	private method EventuallyRotate { dx dy }
107	private method EventuallySelect { x y }
108	private method GetImage { args }
109	private method GetNormalizedMouse { x y }
110	private method GoToViewpoint { dataobj viewpoint }
111	private method InitSettings { args }
112	private method MapIsGeocentric {}
113	private method Pan {option x y}
114	private method Pin {option x y}
115	private method Rebuild {}
116	private method ReceiveImage { args }
117	private method ReceiveLegend { args }
118	private method ReceiveMapInfo { args }
119	private method ReceiveScreenInfo { args }
120	private method ReceiveSelect { option {args ""} }
121	private method RequestLegend { colormap w h }
122	private method Rotate {option x y}
123	private method Select {option x y}
124	private method SendFiles { path }
125	private method SetHeading { {value 0} }
126	private method SetLayerOpacity { dataobj layer {value 100} }
127	private method SetLayerStyle { dataobj layer }
128	private method SetLayerVisibility { dataobj layer }
129	private method SetPitch { {value -89.999} }
130	private method SetTerrainStyle { style }
131	private method ToggleGrid {}
132	private method ToggleLighting {}
133	private method ToggleWireframe {}
134	private method UpdateLayerControls {}
135	private method UpdateViewpointControls {}
136	private method Zoom {option {x 0} {y 0}}
137
138	private variable _layersFrame ""; # Name of layers frame widget
139	private variable _viewpointsFrame ""; # Name of viewpoints frame widget
140	private variable _mapsettings; # Global map settings
141
142	private variable _dlist ""; # list of data objects
143	private variable _obj2ovride; # maps dataobj => style override
144	private variable _layers; # Contains the names of all the
145	# layer in the server.
146	private variable _viewpoints;
147	private variable _selectCallback "";
148	private variable _click; # info used for rotate operations
149	private variable _view; # view params for 3D view
150	private variable _pan;
151	private variable _rotate;
152	private variable _select;
153	private variable _motion;
154	private variable _settings
155	private variable _opacity
156	private variable _visibility
157	private variable _reset 1; # Indicates that server was reset and
158	# needs to be reinitialized.
159	private variable _initCamera 1;
160	private variable _haveTerrain 0;
161
162	private variable _first ""; # This is the topmost dataset.
163	private variable _start 0
164	private variable _title ""
165
166	private variable _width 0
167	private variable _height 0
168	private variable _resizePending 0
169	private variable _sendEarthFile 0
170	private variable _useServerManip 0
171	private variable _labelCount 0
172	private variable _b1mode "pan"
173
174	private common _downloadPopup; # download options from popup
175	private common _hardcopy
176	}
177
178	itk::usual MapViewer {
179	keep -background -foreground -cursor -font
180	keep -plotbackground -plotforeground
181	}
182
183	# ----------------------------------------------------------------------
184	# CONSTRUCTOR
185	# ----------------------------------------------------------------------
186	itcl::body Rappture::MapViewer::constructor {hostlist args} {
187	set _serverType "geovis"
188	#DebugOn
189
190	if { [catch {
191
192	# Rebuild event
193	$_dispatcher register !rebuild
194	$_dispatcher dispatch $this !rebuild "[itcl::code $this Rebuild]; list"
195
196	# Resize event
197	$_dispatcher register !resize
198	$_dispatcher dispatch $this !resize "[itcl::code $this DoResize]; list"
199
200	# Pan event
201	$_dispatcher register !pan
202	$_dispatcher dispatch $this !pan "[itcl::code $this DoPan]; list"
203
204	# Rotate event
205	$_dispatcher register !rotate
206	$_dispatcher dispatch $this !rotate "[itcl::code $this DoRotate]; list"
207
208	# Select event
209	$_dispatcher register !select
210	$_dispatcher dispatch $this !select "[itcl::code $this DoSelect]; list"
211
212	# <Motion> event
213	$_dispatcher register !motion
214	$_dispatcher dispatch $this !motion "[itcl::code $this MouseMotion]; list"
215
216	#
217	# Populate parser with commands handle incoming requests
218	#
219	$_parser alias image [itcl::code $this ReceiveImage]
220	$_parser alias legend [itcl::code $this ReceiveLegend]
221	$_parser alias map [itcl::code $this ReceiveMapInfo]
222	$_parser alias camera [itcl::code $this camera]
223	$_parser alias screen [itcl::code $this ReceiveScreenInfo]
224	$_parser alias select [itcl::code $this ReceiveSelect]
225
226	# Millisecond delay before animated wait dialog appears
227	set _waitTimeout 900
228
229	# Settings for mouse motion events: these are required
230	# to update the Lat/Long coordinate display
231	array set _motion {
232	compress 1
233	delay 100
234	enable 1
235	pending 0
236	x 0
237	y 0
238	}
239	array set _pan {
240	compress 1
241	delay 100
242	pending 0
243	x 0
244	y 0
245	}
246	array set _rotate {
247	azimuth 0
248	compress 1
249	delay 100
250	elevation 0
251	pending 0
252	}
253	array set _select {
254	compress 1
255	delay 100
256	pending 0
257	x 0
258	y 0
259	}
260	# This array holds the Viewpoint parameters that the
261	# server sends on "camera get".
262	array set _view {
263	distance 1.0
264	heading 0.0
265	pitch -89.9
266	srs ""
267	verticalDatum ""
268	x 0.0
269	y 0.0
270	z 0.0
271	}
272
273	# Note: grid types are "shader", "geodetic", "utm" and "mgrs"
274	# Currently only work in geocentric maps
275	array set _settings [subst {
276	camera-throw 0
277	coords-precision 5
278	coords-units "latlong_decimal_degrees"
279	coords-visible 1
280	grid 0
281	grid-type "shader"
282	legend 1
283	terrain-ambient 0.03
284	terrain-edges 0
285	terrain-lighting 0
286	terrain-vertscale 1.0
287	terrain-wireframe 0
288	time 12
289	}]
290
291	set _settings(time) [clock format [clock seconds] -format %k -gmt 1]
292
293	itk_component add view {
294	canvas $itk_component(plotarea).view \
295	-highlightthickness 0 -borderwidth 0
296	} {
297	usual
298	ignore -highlightthickness -borderwidth -background
299	}
300
301	set c $itk_component(view)
302	bind $c <Enter> "focus %W"
303	bind $c <Control-F1> [itcl::code $this ToggleConsole]
304
305	# Fix the scrollregion in case we go off screen
306	$c configure -scrollregion [$c bbox all]
307
308	set _map(id) [$c create image 0 0 -anchor nw -image $_image(plot)]
309	set _map(cwidth) -1
310	set _map(cheight) -1
311	set _map(zoom) 1.0
312	set _map(original) ""
313
314	set f [$itk_component(main) component controls]
315	itk_component add reset {
316	button $f.reset -borderwidth 1 -padx 1 -pady 1 \
317	-highlightthickness 0 \
318	-image [Rappture::icon reset-view] \
319	-command [itcl::code $this camera reset]
320	} {
321	usual
322	ignore -highlightthickness
323	}
324	pack $itk_component(reset) -side top -padx 2 -pady 2
325	Rappture::Tooltip::for $itk_component(reset) \
326	"Reset the view to the default zoom level"
327
328	itk_component add zoomin {
329	button $f.zin -borderwidth 1 -padx 1 -pady 1 \
330	-highlightthickness 0 \
331	-image [Rappture::icon zoom-in] \
332	-command [itcl::code $this Zoom in]
333	} {
334	usual
335	ignore -highlightthickness
336	}
337	pack $itk_component(zoomin) -side top -padx 2 -pady 2
338	Rappture::Tooltip::for $itk_component(zoomin) "Zoom in"
339
340	itk_component add zoomout {
341	button $f.zout -borderwidth 1 -padx 1 -pady 1 \
342	-highlightthickness 0 \
343	-image [Rappture::icon zoom-out] \
344	-command [itcl::code $this Zoom out]
345	} {
346	usual
347	ignore -highlightthickness
348	}
349	pack $itk_component(zoomout) -side top -padx 2 -pady 2
350	Rappture::Tooltip::for $itk_component(zoomout) "Zoom out"
351
352	BuildLayerTab
353	BuildViewpointsTab
354	BuildMapTab
355	BuildTerrainTab
356	BuildCameraTab
357	BuildHelpTab
358
359	# Legend
360
361	set _image(legend) [image create photo]
362	itk_component add legend {
363	canvas $itk_component(plotarea).legend -width 50 -highlightthickness 0
364	} {
365	usual
366	ignore -highlightthickness
367	rename -background -plotbackground plotBackground Background
368	}
369
370	# Hack around the Tk panewindow. The problem is that the requested
371	# size of the 3d view isn't set until an image is retrieved from
372	# the server. So the panewindow uses the tiny size.
373	pack forget $itk_component(view)
374	blt::table $itk_component(plotarea) \
375	0,0 $itk_component(view) -fill both -reqwidth 10000
376	blt::table configure $itk_component(plotarea) c1 -resize none
377
378	bind $itk_component(view) <Configure> \
379	[itcl::code $this EventuallyResize %w %h]
380
381	set _useServerManip 1
382	EnablePanningMouseBindings
383	EnableRotationMouseBindings
384	EnableZoomMouseBindings
385	set _useServerManip 0
386
387	if {$_useServerManip} {
388	# Bindings for keyboard events
389	bind $itk_component(view) <KeyPress> \
390	[itcl::code $this KeyPress %N]
391	bind $itk_component(view) <KeyRelease> \
392	[itcl::code $this KeyRelease %N]
393
394	# Zoom to point
395	bind $itk_component(view) <Double-1> \
396	[itcl::code $this MouseDoubleClick 1 %x %y]
397	bind $itk_component(view) <Double-3> \
398	[itcl::code $this MouseDoubleClick 3 %x %y]
399
400	# Unused
401	bind $itk_component(view) <Double-2> \
402	[itcl::code $this MouseDoubleClick 2 %x %y]
403
404	# Binding for mouse motion events
405	if {$_motion(enable)} {
406	bind $itk_component(view) <Motion> \
407	[itcl::code $this EventuallyHandleMotionEvent %x %y]
408	}
409	} else {
410	# Zoom to point
411	bind $itk_component(view) <Double-1> \
412	[itcl::code $this camera go %x %y 0.4]
413	# Travel to point (no zoom)
414	bind $itk_component(view) <Shift-Double-1> \
415	[itcl::code $this camera go %x %y 1.0]
416	# Zoom out centered on point
417	bind $itk_component(view) <Double-3> \
418	[itcl::code $this camera go %x %y 2.5]
419
420	# Pin placemark annotations
421	bind $itk_component(view) <Control-ButtonPress-1> \
422	[itcl::code $this Pin add %x %y]
423	bind $itk_component(view) <Control-ButtonPress-3> \
424	[itcl::code $this Pin delete %x %y]
425
426	# Draw selection rectangle
427	bind $itk_component(view) <Shift-ButtonPress-1> \
428	[itcl::code $this Select click %x %y]
429	bind $itk_component(view) <B1-Motion> \
430	+[itcl::code $this Select drag %x %y]
431	bind $itk_component(view) <Shift-ButtonRelease-1> \
432	[itcl::code $this Select release %x %y]
433
434	# Update coordinate readout
435	bind $itk_component(view) <ButtonPress-1> \
436	+[itcl::code $this SendCmd "map setpos %x %y"]
437	bind $itk_component(view) <Double-3> \
438	+[itcl::code $this SendCmd "map setpos %x %y"]
439
440	# Bindings for panning via keyboard
441	bind $itk_component(view) <KeyPress-Left> \
442	[itcl::code $this Pan set 10 0]
443	bind $itk_component(view) <KeyPress-Right> \
444	[itcl::code $this Pan set -10 0]
445	bind $itk_component(view) <KeyPress-Up> \
446	[itcl::code $this Pan set 0 -10]
447	bind $itk_component(view) <KeyPress-Down> \
448	[itcl::code $this Pan set 0 10]
449
450	bind $itk_component(view) <Shift-KeyPress-Left> \
451	[itcl::code $this Pan set 2 0]
452	bind $itk_component(view) <Shift-KeyPress-Right> \
453	[itcl::code $this Pan set -2 0]
454	bind $itk_component(view) <Shift-KeyPress-Up> \
455	[itcl::code $this Pan set 0 -2]
456	bind $itk_component(view) <Shift-KeyPress-Down> \
457	[itcl::code $this Pan set 0 2]
458
459	# Bindings for rotation via keyboard
460	bind $itk_component(view) <Control-Left> \
461	[itcl::code $this Rotate set 10 0]
462	bind $itk_component(view) <Control-Right> \
463	[itcl::code $this Rotate set -10 0]
464	bind $itk_component(view) <Control-Up> \
465	[itcl::code $this Rotate set 0 -10]
466	bind $itk_component(view) <Control-Down> \
467	[itcl::code $this Rotate set 0 10]
468
469	bind $itk_component(view) <Control-Shift-Left> \
470	[itcl::code $this Rotate set 2 0]
471	bind $itk_component(view) <Control-Shift-Right> \
472	[itcl::code $this Rotate set -2 0]
473	bind $itk_component(view) <Control-Shift-Up> \
474	[itcl::code $this Rotate set 0 -2]
475	bind $itk_component(view) <Control-Shift-Down> \
476	[itcl::code $this Rotate set 0 2]
477
478	# Bindings for zoom via keyboard
479	bind $itk_component(view) <KeyPress-Prior> \
480	[itcl::code $this Zoom out]
481	bind $itk_component(view) <KeyPress-Next> \
482	[itcl::code $this Zoom in]
483	bind $itk_component(view) <KeyPress-Home> \
484	[itcl::code $this camera reset]
485
486	# Keyboard shortcuts
487	# Reset heading to North
488	bind $itk_component(view) <n> \
489	[itcl::code $this SetHeading]
490	# Reset pitch to top-down (2D) view
491	bind $itk_component(view) <p> \
492	[itcl::code $this SetPitch]
493	bind $itk_component(view) <g> \
494	[itcl::code $this ToggleGrid]
495	bind $itk_component(view) <l> \
496	[itcl::code $this ToggleLighting]
497	bind $itk_component(view) <w> \
498	[itcl::code $this ToggleWireframe]
499
500	# Binding for mouse motion events
501	set _motion(compress) 1
502	if {$_motion(enable)} {
503	bind $itk_component(view) <Motion> \
504	[itcl::code $this EventuallyHandleMotionEvent %x %y]
505	}
506	#bind $itk_component(view) <Motion> \
507	# +[itcl::code $this SendCmd "map pin hover %x %y"]
508	}
509
510	bind $itk_component(view) <Enter> "focus $itk_component(view)"
511
512	if {[string equal "x11" [tk windowingsystem]]} {
513	# Bindings for zoom via mouse
514	if {$_useServerManip} {
515	bind $itk_component(view) <4> [itcl::code $this MouseScroll up]
516	bind $itk_component(view) <5> [itcl::code $this MouseScroll down]
517	} else {
518	bind $itk_component(view) <4> [itcl::code $this Zoom out]
519	bind $itk_component(view) <5> [itcl::code $this Zoom in]
520	}
521	}
522
523	set _image(download) [image create photo]
524
525	eval itk_initialize $args
526	Connect
527	} errs] != 0 } {
528	puts stderr errs=$errs
529	}
530	}
531
532	# ----------------------------------------------------------------------
533	# DESTRUCTOR
534	# ----------------------------------------------------------------------
535	itcl::body Rappture::MapViewer::destructor {} {
536	Disconnect
537	$_dispatcher cancel !rebuild
538	$_dispatcher cancel !resize
539	$_dispatcher cancel !rotate
540	image delete $_image(plot)
541	image delete $_image(download)
542	}
543
544	#
545	# send --
546	#
547	# Test method for dsk
548	#
549	# send [list my command]
550	#
551	itcl::body Rappture::MapViewer::send {cmd} {
552	puts "sending: \"$cmd\""
553	SendCmd $cmd
554	}
555
556	itcl::body Rappture::MapViewer::DoResize {} {
557	set sendResize 1
558	if { $_width < 2 } {
559	set _width 500
560	set sendResize 0
561	}
562	if { $_height < 2 } {
563	set _height 500
564	set sendResize 0
565	}
566	#set _start [clock clicks -milliseconds]
567	if {$sendResize} {
568	SendCmd "screen size $_width $_height"
569	}
570	set _resizePending 0
571	}
572
573	itcl::body Rappture::MapViewer::DoRotate {} {
574	SendCmd "camera rotate $_rotate(azimuth) $_rotate(elevation)"
575	set _rotate(azimuth) 0
576	set _rotate(elevation) 0
577	set _rotate(pending) 0
578	}
579
580	itcl::body Rappture::MapViewer::DoSelect {} {
581	SendCmd "map box update $_select(x) $_select(y)"
582	set _select(x) 0
583	set _select(y) 0
584	set _select(pending) 0
585	}
586
587	itcl::body Rappture::MapViewer::EventuallyResize { w h } {
588	set _width $w
589	set _height $h
590	if { !$_resizePending } {
591	set _resizePending 1
592	$_dispatcher event -after 200 !resize
593	}
594	}
595
596	itcl::body Rappture::MapViewer::DoPan {} {
597	SendCmd "camera pan $_pan(x) $_pan(y)"
598	set _pan(x) 0
599	set _pan(y) 0
600	set _pan(pending) 0
601	}
602
603	itcl::body Rappture::MapViewer::EventuallyPan { dx dy } {
604	set _pan(x) [expr $_pan(x) + $dx]
605	set _pan(y) [expr $_pan(y) + $dy]
606	if { !$_pan(compress) } {
607	DoPan
608	return
609	}
610	if { !$_pan(pending) } {
611	set _pan(pending) 1
612	$_dispatcher event -after $_pan(delay) !pan
613	}
614	}
615
616	itcl::body Rappture::MapViewer::EventuallyRotate { dx dy } {
617	set _rotate(azimuth) [expr $_rotate(azimuth) + $dx]
618	set _rotate(elevation) [expr $_rotate(elevation) + $dy]
619	if { !$_rotate(compress) } {
620	DoRotate
621	return
622	}
623	if { !$_rotate(pending) } {
624	set _rotate(pending) 1
625	$_dispatcher event -after $_rotate(delay) !rotate
626	}
627	}
628
629	itcl::body Rappture::MapViewer::EventuallySelect { x y } {
630	set _select(x) $x
631	set _select(y) $y
632	if { !$_select(compress) } {
633	DoSelect
634	return
635	}
636	if { !$_select(pending) } {
637	set _select(pending) 1
638	$_dispatcher event -after $_select(delay) !select
639	}
640	}
641
642	itcl::body Rappture::MapViewer::DrawLegend { colormap min max } {
643	if { [info exists itk_component(legend-$colormap) ] } {
644	$itk_component(legend-$colormap-min) configure -text $min
645	$itk_component(legend-$colormap-max) configure -text $max
646	$itk_component(legend-$colormap) configure -image $_image(legend-$colormap)
647	}
648	}
649
650	itcl::body Rappture::MapViewer::RequestLegend { colormap w h } {
651	SendCmd "legend $colormap $w $h 0 [Color2RGB #d9d9d9]"
652	}
653
654	# ----------------------------------------------------------------------
655	# USAGE: add <dataobj> ?<settings>?
656	#
657	# Clients use this to add a data object to the plot. The optional
658	# <settings> are used to configure the plot. Allowed settings are
659	# -color, -brightness, -width, -linestyle, and -raise.
660	# ----------------------------------------------------------------------
661	itcl::body Rappture::MapViewer::add {dataobj {settings ""}} {
662	DebugTrace "Enter"
663	array set params {
664	-brightness 0
665	-color auto
666	-description ""
667	-linestyle solid
668	-param ""
669	-raise 0
670	-simulation 0
671	-type ""
672	-width 1
673	}
674	array set params $settings
675	set params(-description) ""
676	set params(-param) ""
677	array set params $settings
678
679	if {$params(-color) == "auto" \|\| $params(-color) == "autoreset"} {
680	# can't handle -autocolors yet
681	set params(-color) black
682	}
683	set pos [lsearch -exact $_dlist $dataobj]
684	if {$pos < 0} {
685	#if {[llength $_dlist] > 0} {
686	# error "Can't add more than 1 map to mapviewer"
687	#}
688	lappend _dlist $dataobj
689	}
690	set _obj2ovride($dataobj-raise) $params(-raise)
691	$_dispatcher event -idle !rebuild
692	}
693
694	# ----------------------------------------------------------------------
695	# USAGE: delete ?<dataobj1> <dataobj2> ...?
696	#
697	# Clients use this to delete a dataobj from the plot. If no dataobjs
698	# are specified, then all dataobjs are deleted. No data objects are
699	# deleted. They are only removed from the display list.
700	# ----------------------------------------------------------------------
701	itcl::body Rappture::MapViewer::delete {args} {
702	DebugTrace "Enter"
703	if { [llength $args] == 0} {
704	set args $_dlist
705	}
706	# Delete all specified dataobjs
707	set changed 0
708	foreach dataobj $args {
709	set pos [lsearch -exact $_dlist $dataobj]
710	if { $pos < 0 } {
711	continue; # Don't know anything about it.
712	}
713	# When a map is marked deleted, we hide its layers.
714	foreach layer [$dataobj layer names] {
715	SendCmd "map layer visible 0 $layer"
716	set _visibility($layer) 0
717	}
718	# Remove it from the dataobj list.
719	set _dlist [lreplace $_dlist $pos $pos]
720	array unset _obj2ovride $dataobj-*
721	array unset _settings $dataobj-*
722	set changed 1
723	}
724	# If anything changed, then rebuild the plot
725	if { $changed } {
726	$_dispatcher event -idle !rebuild
727	}
728	}
729
730	# ----------------------------------------------------------------------
731	# USAGE: remove ?<dataobj1> <dataobj2> ...?
732	#
733	# Clients use this to permanantly remove a dataobj from the client
734	# and the server. If no dataobjs are specified, then all dataobjs
735	# are removed. Unlike the delete method, dataobjects are permenantly
736	# removed from both the client and the server and it is safe to add
737	# them again without conflict in layer names.
738	# ----------------------------------------------------------------------
739	itcl::body Rappture::MapViewer::remove {args} {
740	DebugTrace "Enter"
741	if { [llength $args] == 0} {
742	set args $_dlist
743	}
744	# Remove all specified dataobjs
745	set changed 0
746	foreach dataobj $args {
747	set pos [lsearch -exact $_dlist $dataobj]
748	if { $pos < 0 } {
749	continue; # Don't know anything about it.
750	}
751	# Remove the layers from the client and server.
752	foreach layer [$dataobj layer names] {
753	SendCmd "map layer delete $layer"
754	if { [info exists _layers($layer)] } {
755	array unset _layers $layer
756	}
757	if { [info exists _opacity($layer)] } {
758	array unset _opacity $layer
759	}
760	if { [info exists _visibility($layer)] } {
761	array unset _visibility $layer
762	}
763	}
764	# Remove it from the dataobj list.
765	set _dlist [lreplace $_dlist $pos $pos]
766	array unset _obj2ovride $dataobj-*
767	array unset _settings $dataobj-*
768	set changed 1
769	}
770	# If anything changed, then rebuild the plot
771	if { $changed } {
772	$_dispatcher event -idle !rebuild
773	}
774	}
775
776	# ----------------------------------------------------------------------
777	# USAGE: get ?-objects?
778	# USAGE: get ?-visible?
779	# USAGE: get ?-image view?
780	#
781	# Clients use this to query the list of objects being plotted, in
782	# order from bottom to top of this result. The optional "-image"
783	# flag can also request the internal images being shown.
784	# ----------------------------------------------------------------------
785	itcl::body Rappture::MapViewer::get {args} {
786	if {[llength $args] == 0} {
787	set args "-objects"
788	}
789
790	set op [lindex $args 0]
791	switch -- $op {
792	"-objects" {
793	# put the dataobj list in order according to -raise options
794	set dlist {}
795	foreach dataobj $_dlist {
796	if { ![$dataobj isvalid] } {
797	continue
798	}
799	if {[info exists _obj2ovride($dataobj-raise)] &&
800	$_obj2ovride($dataobj-raise)} {
801	set dlist [linsert $dlist 0 $dataobj]
802	} else {
803	lappend dlist $dataobj
804	}
805	}
806	return $dlist
807	}
808	"-visible" {
809	set dlist {}
810	foreach dataobj $_dlist {
811	if { ![$dataobj isvalid] } {
812	continue
813	}
814	if { ![info exists _obj2ovride($dataobj-raise)] } {
815	# No setting indicates that the object isn't visible.
816	continue
817	}
818	# Otherwise use the -raise parameter to put the object to
819	# the front of the list.
820	if { $_obj2ovride($dataobj-raise) } {
821	set dlist [linsert $dlist 0 $dataobj]
822	} else {
823	lappend dlist $dataobj
824	}
825	}
826	return $dlist
827	}
828	-image {
829	if {[llength $args] != 2} {
830	error "wrong # args: should be \"get -image view\""
831	}
832	switch -- [lindex $args end] {
833	view {
834	return $_image(plot)
835	}
836	default {
837	error "bad image name \"[lindex $args end]\": should be view"
838	}
839	}
840	}
841	default {
842	error "bad option \"$op\": should be -objects or -image"
843	}
844	}
845	}
846
847	itcl::body Rappture::MapViewer::MapIsGeocentric {} {
848	if { [info exists _mapsettings(type)] } {
849	return [expr {$_mapsettings(type) eq "geocentric"}]
850	} else {
851	return 0
852	}
853	}
854
855	# ----------------------------------------------------------------------
856	# USAGE: scale ?<data1> <data2> ...?
857	#
858	# Sets the default limits for the overall plot according to the
859	# limits of the data for all of the given <data> objects. This
860	# accounts for all objects--even those not showing on the screen.
861	# Because of this, the limits are appropriate for all objects as
862	# the user scans through data in the ResultSet viewer.
863	# ----------------------------------------------------------------------
864	itcl::body Rappture::MapViewer::scale {args} {
865	DebugTrace "Enter"
866	array unset _mapsettings
867	set _haveTerrain 0
868
869	# Verify that all the maps have the same global settings. For example,
870	# you can't have one map type "geocentric" and the other "projected".
871
872	foreach dataobj $args {
873	if { ![$dataobj isvalid] } {
874	continue
875	}
876	array unset hints
877	array set hints [$dataobj hints]
878	if { ![info exists _mapsettings(label)] } {
879	set _mapsettings(label) $hints(label)
880	}
881	if { ![info exists _mapsettings(style)] } {
882	DebugTrace "map style: $hints(style)"
883	set _mapsettings(style) $hints(style)
884	}
885	if { ![info exists _mapsettings(type)] } {
886	set _mapsettings(type) $hints(type)
887	} elseif { $hints(type) != $_mapsettings(type) } {
888	error "maps \"$hints(label)\" have differing types"
889	}
890	if { ![info exists _mapsettings(projection)] } {
891	set _mapsettings(projection) $hints(projection)
892	} elseif { $hints(projection) != $_mapsettings(projection) } {
893	error "maps \"$hints(label)\" have differing projections"
894	}
895	if { $hints(extents) != "" } {
896	if { ![info exists _mapsettings(extents)] } {
897	set _mapsettings(extents) $hints(extents)
898	}
899	foreach {x1 y1 x2 y2} $hints(extents) break
900	if { ![info exists _mapsettings(x1)] \|\| $x1 < $_mapsettings(x1) } {
901	set _mapsettings(x1) $x1
902	}
903	if { ![info exists _mapsettings(y1)] \|\| $y1 < $_mapsettings(y1) } {
904	set _mapsettings(y1) $y1
905	}
906	if { ![info exists _mapsettings(x2)] \|\| $x2 > $_mapsettings(x2) } {
907	set _mapsettings(x2) $x2
908	}
909	if { ![info exists _mapsettings(y2)] \|\| $y2 > $_mapsettings(y2) } {
910	set _mapsettings(y2) $y2
911	}
912	}
913	if { [info exists hints(camera)] } {
914	if { ![info exists _mapsettings(camera)] } {
915	set _mapsettings(camera) $hints(camera)
916	}
917	}
918	foreach layer [$dataobj layer names] {
919	if { [$dataobj type $layer] == "elevation" } {
920	set _haveTerrain 1
921	break
922	}
923	}
924	foreach viewpoint [$dataobj viewpoints] {
925	set _viewpoints($viewpoint) [$dataobj viewpoint $viewpoint]
926	if 0 {
927	array set vp $_viewpoints($viewpoint)
928	foreach key { label description x y z distance heading pitch srs verticalDatum } {
929	if { [info exists vp($key)] } {
930	puts stderr "$viewpoint $key $vp($key)"
931	}
932	}
933	}
934	}
935	}
936	if { $_haveTerrain } {
937	if { [$itk_component(main) exists "Terrain Settings"] } {
938	# TODO: Enable controls like vertical scale that only have
939	# an effect when terrain is present
940	}
941	}
942	}
943
944	itcl::body Rappture::MapViewer::setSelectCallback {cmd} {
945	set _selectCallback $cmd
946	}
947
948	itcl::body Rappture::MapViewer::DoSelectCallback {option {args ""}} {
949	if { $_selectCallback != "" } {
950	set cmd [concat $_selectCallback $option $args]
951	uplevel #0 $cmd
952	}
953	}
954
955	# ----------------------------------------------------------------------
956	# USAGE: ReceiveSelect clear
957	# USAGE: ReceiveSelect feature <args...>
958	# USAGE: ReceiveSelect annotation <args...>
959	# ----------------------------------------------------------------------
960	itcl::body Rappture::MapViewer::ReceiveSelect {option {args ""}} {
961	DebugTrace "Enter"
962	switch $option {
963	"annotation" {
964	puts stderr "select annotation $args"
965	}
966	"clear" {
967	puts stderr "select clear"
968	}
969	"feature" {
970	puts stderr "select feature $args"
971	}
972	}
973	eval DoSelectCallback $option $args
974	}
975
976	# ----------------------------------------------------------------------
977	# USAGE: select clear
978	# USAGE: select feature <args...>
979	# USAGE: select annotation <args...>
980	#
981	# Clients use this method to notify the map widget of a selection event
982	# originating from outside the map
983	# ----------------------------------------------------------------------
984	itcl::body Rappture::MapViewer::select {option {args ""}} {
985	switch $option {
986	"annotation" {
987	SendCmd "select annotation $args"
988	}
989	"clear" {
990	SendCmd "select clear"
991	}
992	"feature" {
993	SendCmd "select feature $args"
994	}
995	default {
996	puts stderr "Unknown select option \"$option\""
997	}
998	}
999	}
1000
1001	# ----------------------------------------------------------------------
1002	# USAGE: download coming
1003	# USAGE: download controls <downloadCommand>
1004	# USAGE: download now
1005	#
1006	# Clients use this method to create a downloadable representation
1007	# of the plot. Returns a list of the form {ext string}, where
1008	# "ext" is the file extension (indicating the type of data) and
1009	# "string" is the data itself.
1010	# ----------------------------------------------------------------------
1011	itcl::body Rappture::MapViewer::download {option args} {
1012	switch $option {
1013	coming {
1014	if {[catch {
1015	blt::winop snap $itk_component(plotarea) $_image(download)
1016	}]} {
1017	$_image(download) configure -width 1 -height 1
1018	$_image(download) put #000000
1019	}
1020	}
1021	controls {
1022	set popup .mapviewerdownload
1023	if { ![winfo exists .mapviewerdownload] } {
1024	set inner [BuildDownloadPopup $popup [lindex $args 0]]
1025	} else {
1026	set inner [$popup component inner]
1027	}
1028	set _downloadPopup(image_controls) $inner.image_frame
1029	set num [llength [get]]
1030	set num [expr {($num == 1) ? "1 result" : "$num results"}]
1031	set word [Rappture::filexfer::label downloadWord]
1032	$inner.summary configure -text "$word $num in the following format:"
1033	update idletasks ;# Fix initial sizes
1034	return $popup
1035	}
1036	now {
1037	set popup .mapviewerdownload
1038	if {[winfo exists .mapviewerdownload]} {
1039	$popup deactivate
1040	}
1041	switch -- $_downloadPopup(format) {
1042	"image" {
1043	return [$this GetImage [lindex $args 0]]
1044	}
1045	}
1046	return ""
1047	}
1048	default {
1049	error "bad option \"$option\": should be coming, controls, now"
1050	}
1051	}
1052	}
1053
1054	# ----------------------------------------------------------------------
1055	# USAGE: Connect ?<host:port>,<host:port>...?
1056	#
1057	# Clients use this method to establish a connection to a new
1058	# server, or to reestablish a connection to the previous server.
1059	# Any existing connection is automatically closed.
1060	# ----------------------------------------------------------------------
1061	itcl::body Rappture::MapViewer::Connect {} {
1062	global readyForNextFrame
1063	set readyForNextFrame 1
1064	set _reset 1
1065	set _hosts [GetServerList "geovis"]
1066	if { "" == $_hosts } {
1067	return 0
1068	}
1069	set result [VisViewer::Connect $_hosts]
1070	if { $result } {
1071	if { $_reportClientInfo } {
1072	# Tell the server the viewer, hub, user and session.
1073	# Do this immediately on connect before buffering any commands
1074	global env
1075
1076	set info {}
1077	set user "???"
1078	if { [info exists env(USER)] } {
1079	set user $env(USER)
1080	}
1081	set session "???"
1082	if { [info exists env(SESSION)] } {
1083	set session $env(SESSION)
1084	}
1085	lappend info "version" "$Rappture::version"
1086	lappend info "build" "$Rappture::build"
1087	lappend info "svnurl" "$Rappture::svnurl"
1088	lappend info "installdir" "$Rappture::installdir"
1089	lappend info "hub" [exec hostname]
1090	lappend info "client" "mapviewer"
1091	lappend info "user" $user
1092	lappend info "session" $session
1093	SendCmd "clientinfo [list $info]"
1094	}
1095
1096	set w [winfo width $itk_component(view)]
1097	set h [winfo height $itk_component(view)]
1098	EventuallyResize $w $h
1099	}
1100	return $result
1101	}
1102
1103	#
1104	# isconnected --
1105	#
1106	# Indicates if we are currently connected to the visualization server.
1107	#
1108	itcl::body Rappture::MapViewer::isconnected {} {
1109	return [VisViewer::IsConnected]
1110	}
1111
1112	#
1113	# disconnect --
1114	#
1115	itcl::body Rappture::MapViewer::disconnect {} {
1116	Disconnect
1117	set _reset 1
1118	}
1119
1120	#
1121	# Disconnect --
1122	#
1123	# Clients use this method to disconnect from the current rendering
1124	# server.
1125	#
1126	itcl::body Rappture::MapViewer::Disconnect {} {
1127	VisViewer::Disconnect
1128
1129	$_dispatcher cancel !pan
1130	$_dispatcher cancel !motion
1131	$_dispatcher cancel !rebuild
1132	$_dispatcher cancel !resize
1133	$_dispatcher cancel !rotate
1134	# disconnected -- no more data sitting on server
1135	array unset _layers
1136	array unset _layersFrame
1137	global readyForNextFrame
1138	set readyForNextFrame 1
1139	}
1140
1141	# ----------------------------------------------------------------------
1142	# USAGE: ReceiveImage -type <type> -token <token> -bytes <size>
1143	#
1144	# Invoked automatically whenever the "image" command comes in from
1145	# the rendering server. Indicates that binary image data with the
1146	# specified <size> will follow.
1147	# ----------------------------------------------------------------------
1148	itcl::body Rappture::MapViewer::ReceiveImage { args } {
1149	global readyForNextFrame
1150	set readyForNextFrame 1
1151	array set info {
1152	-bytes 0
1153	-token "???"
1154	-type image
1155	}
1156	array set info $args
1157	set bytes [ReceiveBytes $info(-bytes)]
1158	if { $info(-type) == "image" } {
1159	$_image(plot) configure -data $bytes
1160	} elseif { $info(type) == "print" } {
1161	set tag $this-print-$info(-token)
1162	set _hardcopy($tag) $bytes
1163	}
1164	set _waitTimeout 0
1165	}
1166
1167	#
1168	# ReceiveLegend
1169	#
1170	# Invoked automatically whenever the "legend" command comes in from
1171	# the rendering server. Indicates that binary image data with the
1172	# specified <size> will follow.
1173	#
1174	itcl::body Rappture::MapViewer::ReceiveLegend { colormap min max size } {
1175	DebugTrace "ReceiveLegend colormap=$colormap range=$min,$max size=$size"
1176	if { [IsConnected] } {
1177	set bytes [ReceiveBytes $size]
1178	if { ![info exists _image(legend)] } {
1179	set _image(legend-$colormap) [image create photo]
1180	}
1181	if 0 {
1182	set f [open "/tmp/legend-${colormap}.ppm" "w"]
1183	fconfigure $f -translation binary -encoding binary
1184	puts $f $bytes
1185	close $f
1186	}
1187	$_image(legend-$colormap) configure -data $bytes
1188	#puts stderr "read $size bytes for [image width $_image(legend-$colormap)]x[image height $_image(legend-$colormap)] legend>"
1189	if { [catch {DrawLegend $colormap $min $max} errs] != 0 } {
1190	global errorInfo
1191	puts stderr "errs=$errs errorInfo=$errorInfo"
1192	}
1193	}
1194	}
1195
1196	#
1197	# ReceiveMapInfo --
1198	#
1199	itcl::body Rappture::MapViewer::ReceiveMapInfo { args } {
1200	if { ![isconnected] } {
1201	return
1202	}
1203	set timeReceived [clock clicks -milliseconds]
1204	set elapsed [expr $timeReceived - $_start]
1205	set option [lindex $args 0]
1206	switch -- $option {
1207	"coords" {
1208	set len [llength $args]
1209	if {$len < 3} {
1210	error "Bad map coords response"
1211	} else {
1212	set token [lindex $args 1]
1213	}
1214	foreach { x y z } [lindex $args 2] {
1215	puts stderr "\[$token\] Map coords: $x $y $z"
1216	}
1217	if {$len > 3} {
1218	set srs [lindex $args 3]
1219	set vert [lindex $args 4]
1220	puts stderr "\[$token\] {$srs} {$vert}"
1221	}
1222	}
1223	"names" {
1224	foreach { name } [lindex $args 1] {
1225	puts stderr "layer: $name"
1226	}
1227	}
1228	default {
1229	error "unknown map option \"$option\" from server"
1230	}
1231	}
1232	}
1233
1234	#
1235	# ReceiveScreenInfo --
1236	#
1237	itcl::body Rappture::MapViewer::ReceiveScreenInfo { args } {
1238	if { ![isconnected] } {
1239	return
1240	}
1241	set option [lindex $args 0]
1242	switch -- $option {
1243	"coords" {
1244	set len [llength $args]
1245	if {$len < 3} {
1246	error "Bad screen coords response"
1247	} else {
1248	set token [lindex $args 1]
1249	}
1250	foreach { x y z } [lindex $args 2] {
1251	puts stderr "\[$token\] Screen coords: $x $y $z"
1252	}
1253	}
1254	default {
1255	error "unknown screen option \"$option\" from server"
1256	}
1257	}
1258	}
1259
1260	# ----------------------------------------------------------------------
1261	# USAGE: Rebuild
1262	#
1263	# Called automatically whenever something changes that affects the
1264	# data in the widget. Clears any existing data and rebuilds the
1265	# widget to display new data.
1266	# ----------------------------------------------------------------------
1267	itcl::body Rappture::MapViewer::Rebuild {} {
1268	set w [winfo width $itk_component(view)]
1269	set h [winfo height $itk_component(view)]
1270	if { $w < 2 \|\| $h < 2 } {
1271	update idletasks
1272	$_dispatcher event -idle !rebuild
1273	return
1274	}
1275
1276	# Turn on buffering of commands to the server. We don't want to be
1277	# preempted by a server disconnect/reconnect (which automatically
1278	# generates a new call to Rebuild).
1279	StartBufferingCommands
1280
1281	if { $_reset } {
1282	set _width $w
1283	set _height $h
1284	DoResize
1285
1286	if { [info exists _mapsettings(type)] } {
1287	# The map must be reset once before any layers are added This
1288	# should not be done more than once as it is very expensive.
1289	if {$_sendEarthFile} {
1290	set bytes [EarthFile]
1291	if {0} {
1292	set f [open "/tmp/map.earth" "w"]
1293	puts $f $bytes
1294	close $f
1295	}
1296	set length [string length $bytes]
1297	SendCmd "map load data follows $length"
1298	SendData $bytes
1299	} else {
1300	if { [info exists _mapsettings(style)] } {
1301	array set settings {
1302	-color white
1303	}
1304	array set settings $_mapsettings(style)
1305	}
1306	set bgcolor [Color2RGB $settings(-color)]
1307	if { $_mapsettings(type) == "geocentric" } {
1308	$itk_component(grid) configure -state normal
1309	$itk_component(time_l) configure -state normal
1310	$itk_component(time) configure -state normal
1311	$itk_component(pitch_slider_l) configure -state normal
1312	$itk_component(pitch_slider) configure -state normal
1313	EnableRotationMouseBindings
1314	SendCmd "map reset geocentric $bgcolor"
1315	} else {
1316	$itk_component(grid) configure -state disabled
1317	$itk_component(time_l) configure -state disabled
1318	$itk_component(time) configure -state disabled
1319	$itk_component(pitch_slider_l) configure -state disabled
1320	$itk_component(pitch_slider) configure -state disabled
1321	DisableRotationMouseBindings
1322	set proj $_mapsettings(projection)
1323	SendCmd "screen bgcolor $bgcolor"
1324	if { $proj == "" } {
1325	SendCmd "map reset projected $bgcolor global-mercator"
1326	} elseif { ![info exists _mapsettings(extents)] \|\| $_mapsettings(extents) == "" } {
1327	SendCmd "map reset projected $bgcolor [list $proj]"
1328	} else {
1329	#foreach {x1 y1 x2 y2} $_mapsettings(extents) break
1330	foreach key "x1 y1 x2 y2" {
1331	set $key $_mapsettings($key)
1332	}
1333	SendCmd "map reset projected $bgcolor [list $proj] $x1 $y1 $x2 $y2"
1334	}
1335	}
1336	# XXX: Remove these after implementing batch load of layers with reset
1337	SendCmd "map layer delete base"
1338	}
1339
1340	# Most terrain settings are global to the map and apply even
1341	# if there is no elevation layer. The exception is the
1342	# vertical scale, which only applies if there is an elevation
1343	# layer
1344	if { [info exists _mapsettings(style)] } {
1345	SetTerrainStyle $_mapsettings(style)
1346	} else {
1347	InitSettings terrain-ambient terrain-edges terrain-lighting \
1348	terrain-vertscale terrain-wireframe
1349	}
1350	InitSettings coords-visible
1351	} else {
1352	error "No map settings on reset"
1353	}
1354	}
1355
1356	set _first ""
1357	set haveTerrain 0
1358	#SendCmd "map layer visible 0"
1359	foreach dataobj [get -objects] {
1360	if { [info exists _obj2ovride($dataobj-raise)] && $_first == "" } {
1361	set _first $dataobj
1362	}
1363	foreach layer [$dataobj layer names] {
1364	array unset info
1365	array set info [$dataobj layer settings $layer]
1366	if { ![info exists _layers($layer)] } {
1367	if { $_reportClientInfo } {
1368	set cinfo {}
1369	lappend cinfo "tool_id" [$dataobj hints toolid]
1370	lappend cinfo "tool_name" [$dataobj hints toolname]
1371	lappend cinfo "tool_title" [$dataobj hints tooltitle]
1372	lappend cinfo "tool_command" [$dataobj hints toolcommand]
1373	lappend cinfo "tool_revision" [$dataobj hints toolrevision]
1374	lappend cinfo "dataset_label" [encoding convertto utf-8 $info(label)]
1375	lappend cinfo "dataset_tag" $layer
1376	SendCmd "clientinfo [list $cinfo]"
1377	}
1378	set _layers($layer) 1
1379	SetLayerStyle $dataobj $layer
1380	}
1381	if {$info(type) == "elevation"} {
1382	set haveTerrain 1
1383	}
1384	# FIXME: This is overriding all layers' initial visibility setting
1385	if { [info exists _obj2ovride($dataobj-raise)] &&
1386	$_obj2ovride($dataobj-raise)} {
1387	SendCmd "map layer visible 1 $layer"
1388	set _visibility($layer) 1
1389	}
1390	}
1391	}
1392
1393	if ($haveTerrain) {
1394	$itk_component(vscale_l) configure -state normal
1395	$itk_component(vscale) configure -state normal
1396	} else {
1397	$itk_component(vscale_l) configure -state disabled
1398	$itk_component(vscale) configure -state disabled
1399	}
1400
1401	if {$_reset} {
1402	if {$_initCamera} {
1403	# If this is the first Rebuild, we need to
1404	# set up the initial view settings if there
1405	# are any
1406	camera reset
1407	set _initCamera 0
1408	} else {
1409	# Restore view from before reconnect
1410	camera set all
1411	}
1412	}
1413
1414	UpdateLayerControls
1415	UpdateViewpointControls
1416	set _reset 0
1417	global readyForNextFrame
1418	set readyForNextFrame 0; # Don't advance to the next frame
1419	# until we get an image.
1420
1421	# Actually write the commands to the server socket. If it fails, we
1422	# don't care. We're finished here.
1423	blt::busy hold $itk_component(hull)
1424	StopBufferingCommands
1425	blt::busy release $itk_component(hull)
1426	}
1427
1428	itcl::body Rappture::MapViewer::EnablePanningMouseBindings {} {
1429	if {$_useServerManip} {
1430	bind $itk_component(view) <ButtonPress-1> \
1431	[itcl::code $this MouseClick 1 %x %y]
1432	bind $itk_component(view) <B1-Motion> \
1433	[itcl::code $this MouseDrag 1 %x %y]
1434	bind $itk_component(view) <ButtonRelease-1> \
1435	[itcl::code $this MouseRelease 1 %x %y]
1436	} else {
1437	bind $itk_component(view) <ButtonPress-1> \
1438	[itcl::code $this Pan click %x %y]
1439	bind $itk_component(view) <B1-Motion> \
1440	[itcl::code $this Pan drag %x %y]
1441	bind $itk_component(view) <ButtonRelease-1> \
1442	[itcl::code $this Pan release %x %y]
1443	}
1444	}
1445
1446	itcl::body Rappture::MapViewer::DisablePanningMouseBindings {} {
1447	bind $itk_component(view) <ButtonPress-1> {}
1448	bind $itk_component(view) <B1-Motion> {}
1449	bind $itk_component(view) <ButtonRelease-1> {}
1450	}
1451
1452	itcl::body Rappture::MapViewer::EnableRotationMouseBindings {} {
1453	if {$_useServerManip} {
1454	bind $itk_component(view) <ButtonPress-2> \
1455	[itcl::code $this Rotate click %x %y]
1456	bind $itk_component(view) <B2-Motion> \
1457	[itcl::code $this Rotate drag %x %y]
1458	bind $itk_component(view) <ButtonRelease-2> \
1459	[itcl::code $this Rotate release %x %y]
1460	} else {
1461	# Bindings for rotation via mouse
1462	bind $itk_component(view) <ButtonPress-2> \
1463	[itcl::code $this MouseClick 2 %x %y]
1464	bind $itk_component(view) <B2-Motion> \
1465	[itcl::code $this MouseDrag 2 %x %y]
1466	bind $itk_component(view) <ButtonRelease-2> \
1467	[itcl::code $this MouseRelease 2 %x %y]
1468	}
1469	}
1470
1471	itcl::body Rappture::MapViewer::DisableRotationMouseBindings {} {
1472	bind $itk_component(view) <ButtonPress-2> {}
1473	bind $itk_component(view) <B2-Motion> {}
1474	bind $itk_component(view) <ButtonRelease-2> {}
1475	}
1476
1477	itcl::body Rappture::MapViewer::EnableZoomMouseBindings {} {
1478	if {$_useServerManip} {
1479	bind $itk_component(view) <ButtonPress-3> \
1480	[itcl::code $this MouseClick 3 %x %y]
1481	bind $itk_component(view) <B3-Motion> \
1482	[itcl::code $this MouseDrag 3 %x %y]
1483	bind $itk_component(view) <ButtonRelease-3> \
1484	[itcl::code $this MouseRelease 3 %x %y]
1485	} else {
1486	bind $itk_component(view) <ButtonPress-3> \
1487	[itcl::code $this Zoom click %x %y]
1488	bind $itk_component(view) <B3-Motion> \
1489	[itcl::code $this Zoom drag %x %y]
1490	bind $itk_component(view) <ButtonRelease-3> \
1491	[itcl::code $this Zoom release %x %y]
1492	}
1493	}
1494
1495	itcl::body Rappture::MapViewer::DisableZoomMouseBindings {} {
1496	bind $itk_component(view) <ButtonPress-3> {}
1497	bind $itk_component(view) <B3-Motion> {}
1498	bind $itk_component(view) <ButtonRelease-3> {}
1499	}
1500	# ----------------------------------------------------------------------
1501	# USAGE: CurrentLayers ?-all -visible? ?dataobjs?
1502	#
1503	# Returns a list of server IDs for the current datasets being displayed.
1504	# This is normally a single ID, but it might be a list of IDs if the
1505	# current data object has multiple components.
1506	# ----------------------------------------------------------------------
1507	itcl::body Rappture::MapViewer::CurrentLayers {args} {
1508	set flag [lindex $args 0]
1509	switch -- $flag {
1510	"-all" {
1511	if { [llength $args] > 1 } {
1512	error "CurrentLayers: can't specify dataobj after \"-all\""
1513	}
1514	set dlist [get -objects]
1515	}
1516	"-visible" {
1517	if { [llength $args] > 1 } {
1518	set dlist {}
1519	set args [lrange $args 1 end]
1520	foreach dataobj $args {
1521	if { [info exists _obj2ovride($dataobj-raise)] } {
1522	lappend dlist $dataobj
1523	}
1524	}
1525	} else {
1526	set dlist [get -visible]
1527	}
1528	}
1529	default {
1530	set dlist $args
1531	}
1532	}
1533	set rlist ""
1534	foreach dataobj $dlist {
1535	foreach layer [$dataobj layer names] {
1536	if { [info exists _layers($layer)] && $_layers($layer) } {
1537	lappend rlist $layer
1538	}
1539	}
1540	}
1541	return $rlist
1542	}
1543
1544	itcl::body Rappture::MapViewer::KeyPress {k} {
1545	SendCmd "key press $k"
1546	}
1547
1548	itcl::body Rappture::MapViewer::KeyRelease {k} {
1549	SendCmd "key release $k"
1550	}
1551
1552	itcl::body Rappture::MapViewer::GetNormalizedMouse {x y} {
1553	set w [winfo width $itk_component(view)]
1554	set h [winfo height $itk_component(view)]
1555	set x [expr {(2.0 * double($x)/$w) - 1.0}]
1556	set y [expr {(2.0 * double($y)/$h) - 1.0}]
1557	return [list $x $y]
1558	}
1559
1560	itcl::body Rappture::MapViewer::MouseClick {button x y} {
1561	SendCmd "mouse click $button $x $y"
1562	}
1563
1564	itcl::body Rappture::MapViewer::MouseDoubleClick {button x y} {
1565	SendCmd "mouse dblclick $button $x $y"
1566	}
1567
1568	itcl::body Rappture::MapViewer::MouseDrag {button x y} {
1569	SendCmd "mouse drag $button $x $y"
1570	}
1571
1572	itcl::body Rappture::MapViewer::MouseRelease {button x y} {
1573	SendCmd "mouse release $button $x $y"
1574	}
1575
1576	itcl::body Rappture::MapViewer::MouseMotion {} {
1577	SendCmd "mouse motion $_motion(x) $_motion(y)"
1578	#SendCmd "map pin hover $_motion(x) $_motion(y)"
1579	set _motion(pending) 0
1580	}
1581
1582	itcl::body Rappture::MapViewer::MouseScroll {direction} {
1583	switch -- $direction {
1584	"up" {
1585	SendCmd "mouse scroll 1"
1586	}
1587	"down" {
1588	SendCmd "mouse scroll -1"
1589	}
1590	}
1591	}
1592
1593	#
1594	# EventuallyHandleMotionEvent --
1595	#
1596	# This routine compresses (no button press) motion events. It
1597	# delivers a server mouse command once every 100 milliseconds (if a
1598	# motion event is pending).
1599	#
1600	itcl::body Rappture::MapViewer::EventuallyHandleMotionEvent {x y} {
1601	set _motion(x) $x
1602	set _motion(y) $y
1603	if { !$_motion(compress) } {
1604	MouseMotion
1605	return
1606	}
1607	if { !$_motion(pending) } {
1608	set _motion(pending) 1
1609	$_dispatcher event -after $_motion(delay) !motion
1610	}
1611	}
1612
1613	# ----------------------------------------------------------------------
1614	# USAGE: Zoom in
1615	# USAGE: Zoom out
1616	# USAGE: Zoom reset
1617	# $this Zoom click x y
1618	# $this Zoom drag x y
1619	# $this Zoom release x y
1620	#
1621	# Called automatically when the user clicks on one of the zoom
1622	# controls for this widget. Changes the zoom for the current view.
1623	# Also implements mouse zoom.
1624	# ----------------------------------------------------------------------
1625	itcl::body Rappture::MapViewer::Zoom {option {x 0} {y 0}} {
1626	switch -- $option {
1627	"in" {
1628	# z here is normalized mouse Y delta
1629	set z -0.25
1630	SendCmd "camera zoom $z"
1631	}
1632	"out" {
1633	# z here is normalized mouse Y delta
1634	set z 0.25
1635	SendCmd "camera zoom $z"
1636	}
1637	"reset" {
1638	SendCmd "camera dist $_view(distance)"
1639	}
1640	"click" {
1641	set _click(x) $x
1642	set _click(y) $y
1643	$itk_component(view) configure -cursor hand1
1644	}
1645	"drag" {
1646	if { ![info exists _click(x)] } {
1647	set _click(x) $x
1648	}
1649	if { ![info exists _click(y)] } {
1650	set _click(y) $y
1651	}
1652	set h [winfo height $itk_component(view)]
1653	set dy [expr ($_click(y) - $y)/double($h)]
1654	set _click(x) $x
1655	set _click(y) $y
1656	if {[expr (abs($dy) > 0.0)]} {
1657	SendCmd "camera zoom $dy"
1658	}
1659	}
1660	"release" {
1661	Zoom drag $x $y
1662	$itk_component(view) configure -cursor ""
1663	}
1664	}
1665	}
1666
1667	# ----------------------------------------------------------------------
1668	# USAGE: Rotate click <x> <y>
1669	# USAGE: Rotate drag <x> <y>
1670	# USAGE: Rotate release <x> <y>
1671	#
1672	# Called automatically when the user clicks/drags/releases in the
1673	# plot area. Moves the plot according to the user's actions.
1674	# ----------------------------------------------------------------------
1675	itcl::body Rappture::MapViewer::Rotate {option x y} {
1676	switch -- $option {
1677	"click" {
1678	$itk_component(view) configure -cursor fleur
1679	set _click(x) $x
1680	set _click(y) $y
1681	set _rotate(azimuth) 0
1682	set _rotate(elevation) 0
1683	}
1684	"drag" {
1685	if {[array size _click] == 0} {
1686	Rotate click $x $y
1687	} else {
1688	set w [winfo width $itk_component(view)]
1689	set h [winfo height $itk_component(view)]
1690	if {$w <= 0 \|\| $h <= 0} {
1691	return
1692	}
1693	set dx [expr ($x - $_click(x))/double($w)]
1694	set dy [expr ($_click(y) - $y)/double($h)]
1695	set _click(x) $x
1696	set _click(y) $y
1697	if {[expr (abs($dx) > 0.0 \|\| abs($dy) > 0.0)]} {
1698	#SendCmd "camera rotate $dx $dy"
1699	EventuallyRotate $dx $dy
1700	}
1701	}
1702	}
1703	"release" {
1704	Rotate drag $x $y
1705	$itk_component(view) configure -cursor ""
1706	catch {unset _click}
1707	}
1708	"set" {
1709	set w [winfo width $itk_component(view)]
1710	set h [winfo height $itk_component(view)]
1711	set dx [expr $x / double($w)]
1712	set dy [expr $y / double($h)]
1713	if {[expr (abs($dx) > 0.0 \|\| abs($dy) > 0.0)]} {
1714	EventuallyRotate $dx $dy
1715	}
1716	}
1717	default {
1718	error "bad option \"$option\": should be click, drag, release"
1719	}
1720	}
1721	}
1722
1723	itcl::body Rappture::MapViewer::Select {option x y} {
1724	switch -- $option {
1725	"click" {
1726	set _click(x) $x
1727	set _click(y) $y
1728	set _b1mode "select"
1729	SendCmd "map box init $x $y"
1730	}
1731	"drag" {
1732	if {$_b1mode == "select"} {
1733	EventuallySelect $x $y
1734	}
1735	}
1736	"release" {
1737	set _b1mode ""
1738	if {$_click(x) == $x &&
1739	$_click(y) == $y} {
1740	SendCmd "map box clear"
1741	}
1742	}
1743	}
1744	}
1745
1746	itcl::body Rappture::MapViewer::Pin {option x y} {
1747	set _click(x) $x
1748	set _click(y) $y
1749	switch -- $option {
1750	"add" {
1751	incr _labelCount
1752	set label "Label $_labelCount"
1753	SendCmd [list "map" "pin" "add" $x $y [encoding convertto utf-8 $label]]
1754	}
1755	"delete" {
1756	SendCmd "map pin delete $x $y"
1757	}
1758	}
1759	}
1760
1761	# ----------------------------------------------------------------------
1762	# USAGE: $this Pan set x y
1763	# $this Pan click x y
1764	# $this Pan drag x y
1765	# $this Pan release x y
1766	#
1767	# Called automatically when the user clicks on one of the zoom
1768	# controls for this widget. Changes the zoom for the current view.
1769	# ----------------------------------------------------------------------
1770	itcl::body Rappture::MapViewer::Pan {option x y} {
1771	switch -- $option {
1772	"set" {
1773	set w [winfo width $itk_component(view)]
1774	set h [winfo height $itk_component(view)]
1775	set x [expr $x / double($w)]
1776	set y [expr $y / double($h)]
1777	if {[expr (abs($x) > 0.0 \|\| abs($y) > 0.0)]} {
1778	SendCmd "camera pan $x $y"
1779	}
1780	return
1781	}
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	$itk_component(view) configure -cursor ""
1814	set _b1mode ""
1815	}
1816	default {
1817	error "unknown option \"$option\": should set, click, drag, or release"
1818	}
1819	}
1820	}
1821
1822	itcl::body Rappture::MapViewer::SetHeading { {value 0} } {
1823	set _view(heading) $value
1824	camera set heading
1825	}
1826
1827	itcl::body Rappture::MapViewer::SetPitch { {value -89.999} } {
1828	set _view(pitch) $value
1829	camera set pitch
1830	}
1831
1832	# ----------------------------------------------------------------------
1833	# USAGE: InitSettings <what> ?<value>?
1834	#
1835	# Used internally to update rendering settings whenever parameters
1836	# change in the popup settings panel. Sends the new settings off
1837	# to the back end.
1838	# ----------------------------------------------------------------------
1839	itcl::body Rappture::MapViewer::InitSettings { args } {
1840	foreach setting $args {
1841	AdjustSetting $setting
1842	}
1843	}
1844
1845	#
1846	# AdjustSetting --
1847	#
1848	# Changes/updates a specific setting in the widget. There are
1849	# usually user-setable option. Commands are sent to the render
1850	# server.
1851	#
1852	itcl::body Rappture::MapViewer::AdjustSetting {what {value ""}} {
1853	if { ![isconnected] } {
1854	return
1855	}
1856	switch -- $what {
1857	"coords-visible" - "coords-precision" - "coords-units" {
1858	set bool $_settings(coords-visible)
1859	set units $_settings(coords-units)
1860	set precision $_settings(coords-precision)
1861	SendCmd "map posdisp $bool $units $precision"
1862	}
1863	"grid" - "grid-type" {
1864	set bool $_settings(grid)
1865	set gridType $_settings(grid-type)
1866	SendCmd "map grid $bool $gridType"
1867	}
1868	"camera-throw" {
1869	set bool $_settings($what)
1870	SendCmd "camera throw $bool"
1871	}
1872	"terrain-ambient" {
1873	set val $_settings($what)
1874	SendCmd "map terrain ambient $val"
1875	}
1876	"terrain-edges" {
1877	set bool $_settings($what)
1878	SendCmd "map terrain edges $bool"
1879	}
1880	"terrain-lighting" {
1881	set bool $_settings($what)
1882	SendCmd "map terrain lighting $bool"
1883	}
1884	"terrain-palette" {
1885	set cmap [$itk_component(terrainpalette) value]
1886	#SendCmd "map terrain colormap $cmap"
1887	}
1888	"terrain-vertscale" {
1889	set val $_settings($what)
1890	SendCmd "map terrain vertscale $val"
1891	}
1892	"terrain-wireframe" {
1893	set bool $_settings($what)
1894	SendCmd "map terrain wireframe $bool"
1895	}
1896	"time" {
1897	set val $_settings($what)
1898	SendCmd "map time $val"
1899	}
1900	default {
1901	error "don't know how to fix $what"
1902	}
1903	}
1904	}
1905
1906	# ----------------------------------------------------------------------
1907	# CONFIGURATION OPTION: -plotbackground
1908	# ----------------------------------------------------------------------
1909	itcl::configbody Rappture::MapViewer::plotbackground {
1910	if { [isconnected] } {
1911	set rgb [Color2RGB $itk_option(-plotbackground)]
1912	SendCmd "screen bgcolor $rgb"
1913	}
1914	}
1915
1916	# ----------------------------------------------------------------------
1917	# CONFIGURATION OPTION: -plotforeground
1918	# ----------------------------------------------------------------------
1919	itcl::configbody Rappture::MapViewer::plotforeground {
1920	if { [isconnected] } {
1921	set rgb [Color2RGB $itk_option(-plotforeground)]
1922	# FIXME: Set font foreground colors
1923	}
1924	}
1925
1926	itcl::body Rappture::MapViewer::BuildMapTab {} {
1927	set fg [option get $itk_component(hull) font Font]
1928	#set bfg [option get $itk_component(hull) boldFont Font]
1929
1930	set inner [$itk_component(main) insert end \
1931	-title "Map Settings" \
1932	-icon [Rappture::icon wrench]]
1933	$inner configure -borderwidth 4
1934
1935	checkbutton $inner.posdisp \
1936	-text "Show Coordinate Readout" \
1937	-variable [itcl::scope _settings(coords-visible)] \
1938	-command [itcl::code $this AdjustSetting coords-visible] \
1939	-font "Arial 9" -anchor w
1940
1941	itk_component add grid {
1942	checkbutton $inner.grid \
1943	-text "Show Graticule" \
1944	-variable [itcl::scope _settings(grid)] \
1945	-command [itcl::code $this AdjustSetting grid] \
1946	-font "Arial 9" -anchor w
1947	} {
1948	ignore -font
1949	}
1950	Rappture::Tooltip::for $inner.grid "Toggle graticule (grid) display <g>"
1951
1952	checkbutton $inner.wireframe \
1953	-text "Show Wireframe" \
1954	-variable [itcl::scope _settings(terrain-wireframe)] \
1955	-command [itcl::code $this AdjustSetting terrain-wireframe] \
1956	-font "Arial 9" -anchor w
1957	Rappture::Tooltip::for $inner.wireframe "Toggle wireframe rendering of terrain geometry <w>"
1958
1959	checkbutton $inner.lighting \
1960	-text "Enable Lighting" \
1961	-variable [itcl::scope _settings(terrain-lighting)] \
1962	-command [itcl::code $this AdjustSetting terrain-lighting] \
1963	-font "Arial 9" -anchor w
1964	Rappture::Tooltip::for $inner.lighting "Toggle sky lighting of terrain <l>"
1965
1966	checkbutton $inner.edges \
1967	-text "Show Edges" \
1968	-variable [itcl::scope _settings(terrain-edges)] \
1969	-command [itcl::code $this AdjustSetting terrain-edges] \
1970	-font "Arial 9" -anchor w
1971
1972	itk_component add time_l {
1973	label $inner.time_l -text "Time (UTC)" -font "Arial 9"
1974	} {
1975	ignore -font
1976	}
1977	itk_component add time {
1978	::scale $inner.time -from 0 -to 23.9 -orient horizontal \
1979	-resolution 0.1 \
1980	-variable [itcl::scope _settings(time)] \
1981	-width 10 \
1982	-showvalue on \
1983	-command [itcl::code $this AdjustSetting time]
1984	}
1985
1986	itk_component add ambient_l {
1987	label $inner.ambient_l -text "Ambient min." -font "Arial 9"
1988	} {
1989	ignore -font
1990	}
1991	itk_component add ambient {
1992	::scale $inner.ambient -from 0 -to 1.0 -orient horizontal \
1993	-resolution 0.01 \
1994	-variable [itcl::scope _settings(terrain-ambient)] \
1995	-width 10 \
1996	-showvalue on \
1997	-command [itcl::code $this AdjustSetting terrain-ambient]
1998	}
1999
2000	blt::table $inner \
2001	0,0 $inner.posdisp -cspan 2 -anchor w -pady 2 \
2002	1,0 $inner.grid -cspan 2 -anchor w -pady 2 \
2003	2,0 $inner.wireframe -cspan 2 -anchor w -pady 2 \
2004	3,0 $inner.lighting -cspan 2 -anchor w -pady 2 \
2005	4,0 $inner.time_l -cspan 2 -anchor w -pady 2 \
2006	4,1 $inner.time -cspan 2 -fill x -pady 2 \
2007	5,0 $inner.ambient_l -cspan 2 -anchor w -pady 2 \
2008	5,1 $inner.ambient -cspan 2 -fill x -pady 2
2009	# 4,0 $inner.edges -cspan 2 -anchor w -pady 2
2010
2011	blt::table configure $inner r* c* -resize none
2012	blt::table configure $inner r6 c1 -resize expand
2013	}
2014
2015	itcl::body Rappture::MapViewer::BuildTerrainTab {} {
2016	set fg [option get $itk_component(hull) font Font]
2017	#set bfg [option get $itk_component(hull) boldFont Font]
2018
2019	set inner [$itk_component(main) insert end \
2020	-title "Terrain Settings" \
2021	-icon [Rappture::icon terrain]]
2022	$inner configure -borderwidth 4
2023
2024	label $inner.palette_l -text "Palette" -font "Arial 9" -anchor w
2025	itk_component add terrainpalette {
2026	Rappture::Combobox $inner.palette -width 10 -editable no
2027	}
2028	$inner.palette choices insert end [GetColormapList]
2029
2030	$itk_component(terrainpalette) value "BCGYR"
2031	bind $inner.palette <<Value>> \
2032	[itcl::code $this AdjustSetting terrain-palette]
2033
2034	itk_component add vscale_l {
2035	label $inner.vscale_l -text "Vertical Scale" -font "Arial 9" -anchor w
2036	}
2037	itk_component add vscale {
2038	::scale $inner.vscale -from 0 -to 10 -orient horizontal \
2039	-variable [itcl::scope _settings(terrain-vertscale)] \
2040	-width 10 \
2041	-resolution 0.1 \
2042	-showvalue on \
2043	-command [itcl::code $this AdjustSetting terrain-vertscale]
2044	}
2045	$inner.vscale set $_settings(terrain-vertscale)
2046
2047	blt::table $inner \
2048	0,0 $inner.vscale_l -anchor w -pady 2 \
2049	0,1 $inner.vscale -fill x -pady 2
2050	# 1,0 $inner.palette_l -anchor w -pady 2 \
2051	# 1,1 $inner.palette -fill x -pady 2
2052
2053	blt::table configure $inner r* c* -resize none
2054	blt::table configure $inner r3 c1 -resize expand
2055	}
2056
2057	itcl::body Rappture::MapViewer::BuildLayerTab {} {
2058	set fg [option get $itk_component(hull) font Font]
2059	#set bfg [option get $itk_component(hull) boldFont Font]
2060
2061	set inner [$itk_component(main) insert end \
2062	-title "Layers" \
2063	-icon [Rappture::icon layers]]
2064	$inner configure -borderwidth 4
2065	set f [frame $inner.layers]
2066	blt::table $inner \
2067	0,0 $f -fill both
2068	set _layersFrame $inner
2069	}
2070
2071	itcl::body Rappture::MapViewer::BuildViewpointsTab {} {
2072	set fg [option get $itk_component(hull) font Font]
2073	#set bfg [option get $itk_component(hull) boldFont Font]
2074
2075	set inner [$itk_component(main) insert end \
2076	-title "Places" \
2077	-icon [Rappture::icon placemark16]]
2078	$inner configure -borderwidth 4
2079	set f [frame $inner.viewpoints]
2080	blt::table $inner \
2081	0,0 $f -fill both
2082	set _viewpointsFrame $inner
2083	}
2084
2085	itcl::body Rappture::MapViewer::BuildCameraTab {} {
2086	set inner [$itk_component(main) insert end \
2087	-title "Camera Settings" \
2088	-icon [Rappture::icon camera]]
2089	$inner configure -borderwidth 4
2090
2091	set row 0
2092
2093	set labels { x y z heading pitch distance }
2094	foreach tag $labels {
2095	label $inner.${tag}label -text $tag -font "Arial 9"
2096	entry $inner.${tag} -font "Arial 9" -bg white \
2097	-textvariable [itcl::scope _view($tag)]
2098	bind $inner.${tag} <KeyPress-Return> \
2099	[itcl::code $this camera set ${tag}]
2100	bind $inner.${tag} <KP_Enter> \
2101	[itcl::code $this camera set ${tag}]
2102	blt::table $inner \
2103	$row,0 $inner.${tag}label -anchor e -pady 2 \
2104	$row,1 $inner.${tag} -anchor w -pady 2
2105	blt::table configure $inner r$row -resize none
2106	incr row
2107	}
2108	set labels { srs verticalDatum }
2109	foreach tag $labels {
2110	label $inner.${tag}label -text $tag -font "Arial 9"
2111	entry $inner.${tag} -font "Arial 9" -bg white \
2112	-textvariable [itcl::scope _view($tag)]
2113	bind $inner.${tag} <KeyPress-Return> \
2114	[itcl::code $this camera set ${tag}]
2115	bind $inner.${tag} <KP_Enter> \
2116	[itcl::code $this camera set ${tag}]
2117	blt::table $inner \
2118	$row,0 $inner.${tag}label -anchor e -pady 2 \
2119	$row,1 $inner.${tag} -anchor w -pady 2
2120	blt::table configure $inner r$row -resize none
2121	incr row
2122	}
2123
2124	if {0} {
2125	button $inner.get \
2126	-text "Get Camera Settings" \
2127	-font "Arial 9" \
2128	-command [itcl::code $this SendCmd "camera get"]
2129	blt::table $inner \
2130	$row,0 $inner.get -anchor w -pady 2 -cspan 2
2131	blt::table configure $inner r$row -resize none
2132	incr row
2133
2134	button $inner.set \
2135	-text "Apply Camera Settings" \
2136	-font "Arial 9" \
2137	-command [itcl::code $this camera set all]
2138	blt::table $inner \
2139	$row,0 $inner.set -anchor w -pady 2 -cspan 2
2140	blt::table configure $inner r$row -resize none
2141	incr row
2142	}
2143
2144	if {$_useServerManip} {
2145	checkbutton $inner.throw \
2146	-text "Enable Throw" \
2147	-font "Arial 9" \
2148	-variable [itcl::scope _settings(camera-throw)] \
2149	-command [itcl::code $this AdjustSetting camera-throw]
2150	blt::table $inner \
2151	$row,0 $inner.throw -anchor w -pady 2 -cspan 2
2152	blt::table configure $inner r$row -resize none
2153	incr row
2154	}
2155
2156	label $inner.heading_slider_l -text "Heading" -font "Arial 9"
2157	::scale $inner.heading_slider -font "Arial 9" \
2158	-from -180 -to 180 -orient horizontal \
2159	-variable [itcl::scope _view(heading)] \
2160	-width 10 \
2161	-showvalue on \
2162	-command [itcl::code $this camera set heading]
2163
2164	blt::table $inner \
2165	$row,0 $inner.heading_slider_l -anchor w -pady 2
2166	blt::table $inner \
2167	$row,1 $inner.heading_slider -fill x -anchor w -pady 2
2168	blt::table configure $inner r$row -resize none
2169	incr row
2170
2171	itk_component add pitch_slider_l {
2172	label $inner.pitch_slider_l -text "Pitch" -font "Arial 9"
2173	}
2174	itk_component add pitch_slider {
2175	::scale $inner.pitch_slider -font "Arial 9" \
2176	-from -10 -to -90 -orient horizontal \
2177	-variable [itcl::scope _view(pitch)] \
2178	-width 10 \
2179	-showvalue on \
2180	-command [itcl::code $this camera set pitch]
2181	}
2182
2183	blt::table $inner \
2184	$row,0 $inner.pitch_slider_l -anchor w -pady 2
2185	blt::table $inner \
2186	$row,1 $inner.pitch_slider -fill x -anchor w -pady 2
2187	blt::table configure $inner r$row -resize none
2188	incr row
2189
2190	blt::table configure $inner c* r* -resize none
2191	blt::table configure $inner c2 -resize expand
2192	blt::table configure $inner r$row -resize expand
2193	}
2194
2195	itcl::body Rappture::MapViewer::BuildHelpTab {} {
2196	set fg [option get $itk_component(hull) font Font]
2197	#set bfg [option get $itk_component(hull) boldFont Font]
2198
2199	set inner [$itk_component(main) insert end \
2200	-title "Help" \
2201	-icon [Rappture::icon question_mark12]]
2202	$inner configure -borderwidth 4
2203
2204	set helptext {*************************
2205	Mouse bindings:
2206	*************************
2207	Left - Panning
2208	Middle - Rotation
2209	Right - Zoom
2210
2211	Zoom/travel:
2212	Left double-click:
2213	Zoom to point
2214	Left shift-double:
2215	Travel to point
2216	Right double-click:
2217	Zoom out from point
2218
2219	Pins:
2220	Ctl-Left: Drop pin
2221	Ctl-Right: Delete pin
2222
2223	Select:
2224	Shift-Left click-drag
2225
2226	*************************
2227	Keyboard bindings:
2228	*************************
2229	g - Toggle graticule
2230	l - Toggle lighting
2231	n - Set North up
2232	p - Reset pitch
2233	w - Toggle wireframe
2234	arrows - panning
2235	Shift-arrows - fine pan
2236	Ctl-arrows - rotation
2237	Ctl-Shift-arrows:
2238	fine rotation
2239	PgUp/PgDown - zoom
2240	Home - Reset camera
2241	*************************}
2242
2243	text $inner.info -width 25 -bg white
2244	$inner.info insert end $helptext
2245	$inner.info configure -state disabled
2246	blt::table $inner \
2247	0,0 $inner.info -fill both
2248	}
2249
2250	#
2251	# camera --
2252	#
2253	# USAGE: camera get
2254	# This is called by the server to transfer the
2255	# current Viewpoint settings
2256	# USAGE: camera reset
2257	# Reset the camera to the default view
2258	#
2259	itcl::body Rappture::MapViewer::camera {option args} {
2260	switch -- $option {
2261	"get" {
2262	# We got the camera settings from the server
2263	foreach name {x y z heading pitch distance srs verticalDatum} value $args {
2264	set _view($name) $value
2265	}
2266	# puts stderr "view: $_view(x), $_view(y), $_view(z), $_view(heading), $_view(pitch), $_view(distance), {$_view(srs)}, {$_view(verticalDatum)}"
2267	}
2268	"go" {
2269	SendCmd "camera go $args"
2270	}
2271	"reset" {
2272	array set _view {
2273	x 0.0
2274	y 0.0
2275	z 0.0
2276	heading 0.0
2277	pitch -89.9
2278	distance 1.0
2279	srs ""
2280	verticalDatum ""
2281	}
2282	if { [info exists _mapsettings(camera)] } {
2283	# Check if the tool specified a default
2284	set view $_mapsettings(camera)
2285	if { $view != "" } {
2286	array set cam $view
2287	set duration 0.0
2288	if {[info exists cam(xmin)] && [info exists cam(ymin)] &&
2289	[info exists cam(xmax)] && [info exists cam(ymax)]} {
2290	set srs ""
2291	if {[info exists cam(srs)]} {
2292	set srs $cam(srs)
2293	}
2294	SendCmd [list camera extent $cam(xmin) $cam(ymin) $cam(xmax) $cam(ymax) $duration $srs]
2295	} else {
2296	array set _view $view
2297	SendCmd [list camera set $_view(x) $_view(y) $_view(z) $_view(heading) $_view(pitch) $_view(distance) $duration $_view(srs) $_view(verticalDatum)]
2298	}
2299	} else {
2300	SendCmd "camera reset"
2301	# Retrieve the settings
2302	#SendCmd "camera get"
2303	}
2304	} else {
2305	SendCmd "camera reset"
2306	# Retrieve the settings
2307	# SendCmd "camera get"
2308	}
2309	}
2310	"set" {
2311	set who [lindex $args 0]
2312	if {$who != "all" && $who != "srs" && $who != "verticalDatum"} {
2313	set val $_view($who)
2314	set code [catch { string is double $val } result]
2315	if { $code != 0 \|\| !$result } {
2316	return
2317	}
2318	}
2319	switch -- $who {
2320	"distance" {
2321	SendCmd [list camera dist $_view(distance)]
2322	}
2323	"all" - "x" - "y" - "z" - "heading" - "pitch" - "srs" - "verticalDatum" {
2324	set duration 0.0
2325	SendCmd [list camera set $_view(x) $_view(y) $_view(z) $_view(heading) $_view(pitch) $_view(distance) $duration $_view(srs) $_view(verticalDatum)]
2326	}
2327	}
2328	}
2329	}
2330	}
2331
2332	itcl::body Rappture::MapViewer::GoToViewpoint { dataobj viewpoint } {
2333	array set view [subst {
2334	x 0
2335	y 0
2336	z 0
2337	heading 0
2338	pitch -90
2339	distance $_view(distance)
2340	srs "$_view(srs)"
2341	verticalDatum "$_view(verticalDatum)"
2342	}]
2343	array set view [$dataobj viewpoint $viewpoint]
2344	foreach key {x y z heading pitch distance srs verticalDatum} {
2345	if { [info exists view($key)] } {
2346	set _view($key) $view($key)
2347	}
2348	}
2349	# If map is projected, ignore pitch
2350	if {![MapIsGeocentric]} {
2351	set _view(pitch) -90
2352	}
2353	set duration 2.0
2354	SendCmd [list camera set $_view(x) $_view(y) $_view(z) $_view(heading) $_view(pitch) $_view(distance) $duration $_view(srs) $_view(verticalDatum)]
2355	}
2356
2357	itcl::body Rappture::MapViewer::GetImage { args } {
2358	if { [image width $_image(download)] > 0 &&
2359	[image height $_image(download)] > 0 } {
2360	set bytes [$_image(download) data -format "jpeg -quality 100"]
2361	set bytes [Rappture::encoding::decode -as b64 $bytes]
2362	return [list .jpg $bytes]
2363	}
2364	return ""
2365	}
2366
2367	itcl::body Rappture::MapViewer::BuildDownloadPopup { popup command } {
2368	Rappture::Balloon $popup \
2369	-title "[Rappture::filexfer::label downloadWord] as..."
2370	set inner [$popup component inner]
2371	label $inner.summary -text "" -anchor w
2372
2373	radiobutton $inner.image_button -text "Image File" \
2374	-variable [itcl::scope _downloadPopup(format)] \
2375	-value image
2376	Rappture::Tooltip::for $inner.image_button \
2377	"Save as digital image."
2378
2379	button $inner.ok -text "Save" \
2380	-highlightthickness 0 -pady 2 -padx 3 \
2381	-command $command \
2382	-compound left \
2383	-image [Rappture::icon download]
2384
2385	button $inner.cancel -text "Cancel" \
2386	-highlightthickness 0 -pady 2 -padx 3 \
2387	-command [list $popup deactivate] \
2388	-compound left \
2389	-image [Rappture::icon cancel]
2390
2391	blt::table $inner \
2392	0,0 $inner.summary -cspan 2 \
2393	2,0 $inner.image_button -anchor w -cspan 2 -padx { 4 0 } \
2394	4,1 $inner.cancel -width .9i -fill y \
2395	4,0 $inner.ok -padx 2 -width .9i -fill y
2396	blt::table configure $inner r3 -height 4
2397	blt::table configure $inner r4 -pady 4
2398	raise $inner.image_button
2399	$inner.image_button invoke
2400	return $inner
2401	}
2402
2403	itcl::body Rappture::MapViewer::ToggleGrid {} {
2404	set _settings(grid) [expr !$_settings(grid)]
2405	AdjustSetting grid
2406	}
2407
2408	itcl::body Rappture::MapViewer::ToggleLighting {} {
2409	set _settings(terrain-lighting) [expr !$_settings(terrain-lighting)]
2410	AdjustSetting terrain-lighting
2411	}
2412
2413	itcl::body Rappture::MapViewer::ToggleWireframe {} {
2414	set _settings(terrain-wireframe) [expr !$_settings(terrain-wireframe)]
2415	AdjustSetting terrain-wireframe
2416	}
2417
2418	itcl::body Rappture::MapViewer::SetTerrainStyle { style } {
2419	array set settings {
2420	-ambient 0.03
2421	-color white
2422	-edgecolor black
2423	-edges 0
2424	-lighting 1
2425	-linewidth 1.0
2426	-vertscale 1.0
2427	-wireframe 0
2428	}
2429	array set settings $style
2430
2431	SendCmd "map terrain ambient $settings(-ambient)"
2432	set _settings(terrain-ambient) $settings(-ambient)
2433	SendCmd "map terrain edges $settings(-edges)"
2434	set _settings(terrain-edges) $settings(-edges)
2435	SendCmd "map terrain color [Color2RGB $settings(-color)]"
2436	#SendCmd "map terrain colormode constant"
2437	SendCmd "map terrain lighting $settings(-lighting)"
2438	set _settings(terrain-lighting) $settings(-lighting)
2439	SendCmd "map terrain linecolor [Color2RGB $settings(-edgecolor)]"
2440	#SendCmd "map terrain linewidth $settings(-linewidth)"
2441	SendCmd "map terrain vertscale $settings(-vertscale)"
2442	set _settings(terrain-vertscale) $settings(-vertscale)
2443	SendCmd "map terrain wireframe $settings(-wireframe)"
2444	set _settings(terrain-wireframe) $settings(-wireframe)
2445	}
2446
2447	itcl::body Rappture::MapViewer::SendFiles { path } {
2448	if {[string range $path 0 7] != "local://"} {
2449	return
2450	}
2451	DebugTrace "Local path: $path"
2452	set path [string range $path 8 end]
2453	set basename [file rootname $path]
2454	set files [glob -path $basename .*]
2455	foreach file $files {
2456	set name $file
2457	set type [file type $file]
2458	set size [file size $file]
2459	set f [open $file "r"]
2460	fconfigure $f -translation binary -encoding binary
2461	set data [read $f]
2462	close $f
2463	SendCmd [list file put $name $type $size]
2464	SendData $data
2465	}
2466	}
2467
2468	itcl::body Rappture::MapViewer::SetLayerStyle { dataobj layer } {
2469	array set info [$dataobj layer settings $layer]
2470	if { [info exists info(visible)] &&
2471	!$info(visible) } {
2472	set _visibility($layer) 0
2473	} else {
2474	set _visibility($layer) 1
2475	}
2476
2477	switch -- $info(type) {
2478	"image" {
2479	array set style {
2480	-minlevel 0
2481	-maxlevel 23
2482	-opacity 1.0
2483	}
2484	if { [info exists info(style)] } {
2485	DebugTrace "layer style: $info(style)"
2486	array set style $info(style)
2487	}
2488	if { [info exists info(opacity)] } {
2489	set style(-opacity) $info(opacity)
2490	set _opacity($layer) $info(opacity)
2491	}
2492	set _opacity($layer) [expr $style(-opacity) * 100]
2493	set coverage 0
2494	if { [info exists info(coverage)] } {
2495	set coverage $info(coverage)
2496	}
2497	if {!$_sendEarthFile} {
2498	switch -- $info(driver) {
2499	"arcgis" {
2500	SendCmd [list map layer add $layer image arcgis \
2501	$info(arcgis.url) $info(cache) $coverage $info(arcgis.token)]
2502	}
2503	"colorramp" {
2504	set cmapName $layer
2505	SendFiles $info(colorramp.url)
2506	SendCmd [list colormap define $cmapName $info(colorramp.colormap)]
2507	SendCmd [list map layer add $layer image colorramp \
2508	$info(colorramp.url) $info(cache) $coverage $info(colorramp.elevdriver) $info(profile) \
2509	$cmapName]
2510	}
2511	"debug" {
2512	SendCmd [list map layer add $layer image debug]
2513	}
2514	"gdal" {
2515	SendFiles $info(gdal.url)
2516	SendCmd [list map layer add $layer image gdal \
2517	$info(gdal.url) $info(cache) $coverage]
2518	}
2519	"tms" {
2520	SendCmd [list map layer add $layer image tms \
2521	$info(tms.url) $info(cache) $coverage]
2522	}
2523	"wms" {
2524	SendCmd [list map layer add $layer image wms \
2525	$info(wms.url) $info(cache) $coverage \
2526	$info(wms.layers) \
2527	$info(wms.format) \
2528	$info(wms.transparent)]
2529	}
2530	"xyz" {
2531	SendCmd [list map layer add $layer image xyz \
2532	$info(xyz.url) $info(cache) $coverage]
2533	}
2534	}
2535	}
2536	SendCmd "map layer opacity $style(-opacity) $layer"
2537	}
2538	"elevation" {
2539	array set style {
2540	-minlevel 0
2541	-maxlevel 23
2542	}
2543	if { [info exists info(style)] } {
2544	array set style $info(style)
2545	}
2546	if {!$_sendEarthFile} {
2547	switch -- $info(driver) {
2548	"gdal" {
2549	SendFiles $info(gdal.url)
2550	SendCmd [list map layer add $layer elevation gdal \
2551	$info(gdal.url) $info(cache)]
2552	}
2553	"tms" {
2554	SendCmd [list map layer add $layer elevation tms \
2555	$info(tms.url) $info(cache)]
2556	}
2557	"wcs" {
2558	SendCmd [list map layer add $layer elevation wcs \
2559	$info(wcs.url) $info(cache) $info(wcs.identifier)]
2560	}
2561	}
2562	}
2563	}
2564	"feature" {
2565	array set style {
2566	-opacity 1.0
2567	}
2568	if { [info exists info(style)] } {
2569	DebugTrace "layer style: $info(style)"
2570	array set style $info(style)
2571	}
2572	if { [info exists info(opacity)] } {
2573	set style(-opacity) $info(opacity)
2574	}
2575	set _opacity($layer) [expr $style(-opacity) * 100]
2576	DebugTrace "stylesheet: $info(stylesheet)"
2577	set script ""
2578	if { [info exists info(script)] } {
2579	set script $info(script)
2580	DebugTrace "script: $script"
2581	}
2582	set selectors [list]
2583	foreach selector [$dataobj selectors $layer] {
2584	array set sinfo [$dataobj selector $layer $selector]
2585	DebugTrace "$selector: [array get sinfo]"
2586	lappend selectors [array get sinfo]
2587	if {[info exists sinfo(styleExpression)]} {
2588	DebugTrace "$selector: $sinfo(styleExpression)"
2589	} elseif {[info exists sinfo(query)]} {
2590	if {[info exists sinfo(queryBounds)]} {
2591	foreach {x1 y1 x2 y2} $sinfo(queryBounds) break
2592	DebugTrace "queryBounds: xmin $x1 ymin $y1 xmax $x2 ymax $y2"
2593	}
2594	}
2595	}
2596	set format ""
2597	set wfsType ""
2598	if { [info exists info(ogr.connection)] } {
2599	set cmd [list map layer add $layer feature db $format $info(ogr.layer) $info(ogr.connection) $info(cache) $info(stylesheet) $script $selectors]
2600	if {[info exists style(-minrange)] && [info exists style(-maxrange)]} {
2601	lappend cmd $style(-minrange) $style(-maxrange)
2602	}
2603	} else {
2604	set cmd [list map layer add $layer feature $info(driver) $format $wfsType $info(ogr.url) $info(cache) $info(stylesheet) $script $selectors]
2605	if {[info exists style(-minrange)] && [info exists style(-maxrange)]} {
2606	lappend cmd $style(-minrange) $style(-maxrange)
2607	}
2608	SendFiles $info(ogr.url)
2609	}
2610	SendCmd $cmd
2611	}
2612	"line" {
2613	array set style {
2614	-cap "flat"
2615	-clamping terrain
2616	-clamptechnique gpu
2617	-color black
2618	-join "mitre"
2619	-minbias 1000
2620	-opacity 1.0
2621	-stipplepattern 0
2622	-stipplefactor 1
2623	-width 1
2624	}
2625	if { [info exists info(style)] } {
2626	array set style $info(style)
2627	}
2628	if { [info exists info(opacity)] } {
2629	set style(-opacity) $info(opacity)
2630	}
2631	set _opacity($layer) [expr $style(-opacity) * 100]
2632	foreach {r g b} [Color2RGB $style(-color)] {}
2633	switch -- $info(driver) {
2634	"ogr" {
2635	SendFiles $info(ogr.url)
2636	if {[info exists style(-minrange)] && [info exists style(-maxrange)]} {
2637	SendCmd [list map layer add $layer 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)]
2638	} else {
2639	SendCmd [list map layer add $layer line ogr {} {} $info(ogr.url) $info(cache) $r $g $b $style(-width) $style(-cap) $style(-join) $style(-stipplepattern) $style(-stipplefactor) $style(-clamping) $style(-clamptechnique)]
2640	}
2641	}
2642	"tfs" {
2643	set format "json"
2644	if {[info exists info(tfs.format)]} {
2645	set format $info(tfs.format)
2646	}
2647	if {[info exists style(-minrange)] && [info exists style(-maxrange)]} {
2648	SendCmd [list map layer add $layer 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)]
2649	} else {
2650	SendCmd [list map layer add $layer 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)]
2651	}
2652	}
2653	"wfs" {
2654	set format "json"
2655	if {[info exists info(wfs.format)]} {
2656	set format $info(wfs.format)
2657	}
2658	if {[info exists style(-minrange)] && [info exists style(-maxrange)]} {
2659	SendCmd [list map layer add $layer 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)]
2660	} else {
2661	SendCmd [list map layer add $layer 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)]
2662	}
2663	}
2664	}
2665	SendCmd "map layer opacity $style(-opacity) $layer"
2666	}
2667	"point" {
2668	array set style {
2669	-color black
2670	-minbias 1000
2671	-opacity 1.0
2672	-size 1
2673	}
2674	if { [info exists info(style)] } {
2675	array set style $info(style)
2676	}
2677	if { [info exists info(opacity)] } {
2678	set style(-opacity) $info(opacity)
2679	}
2680	set _opacity($layer) [expr $style(-opacity) * 100]
2681	foreach {r g b} [Color2RGB $style(-color)] {}
2682	switch -- $info(driver) {
2683	"ogr" {
2684	SendFiles $info(ogr.url)
2685	if {[info exists style(-minrange)] && [info exists style(-maxrange)]} {
2686	SendCmd [list map layer add $layer point ogr {} {} $info(ogr.url) $info(cache) $r $g $b $style(-size) $style(-minrange) $style(-maxrange)]
2687	} else {
2688	SendCmd [list map layer add $layer point ogr {} {} $info(ogr.url) $info(cache) $r $g $b $style(-size)]
2689	}
2690	}
2691	"tfs" {
2692	set format "json"
2693	if {[info exists info(tfs.format)]} {
2694	set format $info(tfs.format)
2695	}
2696	if {[info exists style(-minrange)] && [info exists style(-maxrange)]} {
2697	SendCmd [list map layer add $layer point tfs $format {} $info(ogr.url) $info(cache) $r $g $b $style(-size) $style(-minrange) $style(-maxrange)]
2698	} else {
2699	SendCmd [list map layer add $layer point tfs $format {} $info(ogr.url) $info(cache) $r $g $b $style(-size)]
2700	}
2701	}
2702	"wfs" {
2703	set format "json"
2704	if {[info exists info(wfs.format)]} {
2705	set format $info(wfs.format)
2706	}
2707	if {[info exists style(-minrange)] && [info exists style(-maxrange)]} {
2708	SendCmd [list map layer add $layer point wfs $format $info(wfs.typename) $info(ogr.url) $info(cache) $r $g $b $style(-size) $style(-minrange) $style(-maxrange)]
2709	} else {
2710	SendCmd [list map layer add $layer point wfs $format $info(wfs.typename) $info(ogr.url) $info(cache) $r $g $b $style(-size)]
2711	}
2712	}
2713	}
2714	SendCmd "map layer opacity $style(-opacity) $layer"
2715	}
2716	"icon" {
2717	array set style {
2718	-align "center_bottom"
2719	-declutter 1
2720	-heading {}
2721	-icon pin
2722	-minbias 1000
2723	-opacity 1.0
2724	-placement "vertex"
2725	-scale {}
2726	}
2727	if { [info exists info(style)] } {
2728	array set style $info(style)
2729	}
2730	if { [info exists info(opacity)] } {
2731	set style(-opacity) $info(opacity)
2732	}
2733	set _opacity($layer) [expr $style(-opacity) * 100]
2734	switch -- $info(driver) {
2735	"ogr" {
2736	SendFiles $info(ogr.url)
2737	if {[info exists style(-minrange)] && [info exists style(-maxrange)]} {
2738	SendCmd [list map layer add $layer icon ogr {} {} $info(ogr.url) $info(cache) $style(-icon) $style(-scale) $style(-heading) $style(-declutter) $style(-placement) $style(-align) $style(-minrange) $style(-maxrange)]
2739	} else {
2740	SendCmd [list map layer add $layer icon ogr {} {} $info(ogr.url) $info(cache) $style(-icon) $style(-scale) $style(-heading) $style(-declutter) $style(-placement) $style(-align)]
2741	}
2742	}
2743	"tfs" {
2744	set format "json"
2745	if {[info exists info(tfs.format)]} {
2746	set format $info(tfs.format)
2747	}
2748	if {[info exists style(-minrange)] && [info exists style(-maxrange)]} {
2749	SendCmd [list map layer add $layer icon tfs $format {} $info(tfs.url) $info(cache) $style(-icon) $style(-scale) $style(-heading) $style(-declutter) $style(-placement) $style(-align) $style(-minrange) $style(-maxrange)]
2750	} else {
2751	SendCmd [list map layer add $layer icon tfs $format {} $info(tfs.url) $info(cache) $style(-icon) $style(-scale) $style(-heading) $style(-declutter) $style(-placement) $style(-align)]
2752	}
2753	}
2754	"wfs" {
2755	set format "json"
2756	if {[info exists info(wfs.format)]} {
2757	set format $info(wfs.format)
2758	}
2759	if {[info exists style(-minrange)] && [info exists style(-maxrange)]} {
2760	SendCmd [list map layer add $layer 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)]
2761	} else {
2762	SendCmd [list map layer add $layer icon wfs $format $info(wfs.typename) $info(wfs.url) $info(cache) $style(-icon) $style(-scale) $style(-heading) $style(-declutter) $style(-placement) $style(-align)]
2763	}
2764	}
2765	}
2766	SendCmd "map layer opacity $style(-opacity) $layer"
2767	}
2768	"polygon" {
2769	array set style {
2770	-clamping terrain
2771	-clamptechnique drape
2772	-color white
2773	-minbias 1000
2774	-opacity 1.0
2775	-strokecolor black
2776	-strokewidth 0.0
2777	}
2778	if { [info exists info(style)] } {
2779	array set style $info(style)
2780	}
2781	if { [info exists info(opacity)] } {
2782	set style(-opacity) $info(opacity)
2783	}
2784	set _opacity($layer) [expr $style(-opacity) * 100]
2785	foreach {r g b} [Color2RGB $style(-color)] {}
2786	foreach {strokeR strokeG strokeB} [Color2RGB $style(-strokecolor)] {}
2787	switch -- $info(driver) {
2788	"ogr" {
2789	SendFiles $info(ogr.url)
2790	if {[info exists style(-minrange)] && [info exists style(-maxrange)]} {
2791	SendCmd [list map layer add $layer polygon ogr {} {} $info(ogr.url) $info(cache) $r $g $b $style(-strokewidth) $strokeR $strokeG $strokeB $style(-clamping) $style(-clamptechnique) $style(-minrange) $style(-maxrange)]
2792	} else {
2793	SendCmd [list map layer add $layer polygon ogr {} {} $info(ogr.url) $info(cache) $r $g $b $style(-strokewidth) $strokeR $strokeG $strokeB $style(-clamping) $style(-clamptechnique)]
2794	}
2795	}
2796	"tfs" {
2797	set format "json"
2798	if {[info exists info(tfs.format)]} {
2799	set format $info(tfs.format)
2800	}
2801	if {[info exists style(-minrange)] && [info exists style(-maxrange)]} {
2802	SendCmd [list map layer add $layer polygon tfs $format {} $info(tfs.url) $info(cache) $r $g $b $style(-strokewidth) $strokeR $strokeG $strokeB $style(-clamping) $style(-clamptechnique) $style(-minrange) $style(-maxrange)]
2803	} else {
2804	SendCmd [list map layer add $layer polygon tfs $format {} $info(tfs.url) $info(cache) $r $g $b $style(-strokewidth) $strokeR $strokeG $strokeB $style(-clamping) $style(-clamptechnique)]
2805	}
2806	}
2807	"wfs" {
2808	set format "json"
2809	if {[info exists info(wfs.format)]} {
2810	set format $info(wfs.format)
2811	}
2812	if {[info exists style(-minrange)] && [info exists style(-maxrange)]} {
2813	SendCmd [list map layer add $layer 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)]
2814	} else {
2815	SendCmd [list map layer add $layer polygon wfs $format $info(wfs.typename) $info(wfs.url) $info(cache) $r $g $b $style(-strokewidth) $strokeR $strokeG $strokeB $style(-clamping) $style(-clamptechnique)]
2816	}
2817	}
2818	}
2819	SendCmd "map layer opacity $style(-opacity) $layer"
2820	}
2821	"label" {
2822	array set style {
2823	-align "left_baseline"
2824	-color black
2825	-declutter 1
2826	-font Arial
2827	-fontsize 16.0
2828	-halocolor white
2829	-halowidth 2.0
2830	-layout "left_to_right"
2831	-minbias 1000
2832	-opacity 1.0
2833	-removedupes 1
2834	-xoffset 0
2835	-yoffset 0
2836	}
2837	if { [info exists info(style)] } {
2838	array set style $info(style)
2839	}
2840	if { [info exists info(opacity)] } {
2841	set style(-opacity) $info(opacity)
2842	}
2843	set _opacity($layer) [expr $style(-opacity) * 100]
2844	set contentExpr $info(content)
2845	if {[info exists info(priority)]} {
2846	set priorityExpr $info(priority)
2847	} else {
2848	set priorityExpr ""
2849	}
2850	foreach {fgR fgG fgB} [Color2RGB $style(-color)] {}
2851	foreach {bgR bgG bgB} [Color2RGB $style(-halocolor)] {}
2852	switch -- $info(driver) {
2853	"ogr" {
2854	SendFiles $info(ogr.url)
2855	if {[info exists style(-minrange)] && [info exists style(-maxrange)]} {
2856	SendCmd [list map layer add $layer 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)]
2857	} else {
2858	SendCmd [list map layer add $layer 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)]
2859	}
2860	}
2861	"tfs" {
2862	set format "json"
2863	if {[info exists info(tfs.format)]} {
2864	set format $info(tfs.format)
2865	}
2866	if {[info exists style(-minrange)] && [info exists style(-maxrange)]} {
2867	SendCmd [list map layer add $layer 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)]
2868	} else {
2869	SendCmd [list map layer add $layer 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)]
2870	}
2871	}
2872	"wfs" {
2873	set format "json"
2874	if {[info exists info(wfs.format)]} {
2875	set format $info(wfs.format)
2876	}
2877	if {[info exists style(-minrange)] && [info exists style(-maxrange)]} {
2878	SendCmd [list map layer add $layer 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)]
2879	} else {
2880	SendCmd [list map layer add $layer 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)]
2881	}
2882	}
2883	}
2884	SendCmd "map layer opacity $style(-opacity) $layer"
2885	}
2886	}
2887
2888	SendCmd "map layer visible $_visibility($layer) $layer"
2889	}
2890
2891	itcl::body Rappture::MapViewer::SetLayerOpacity { dataobj layer {value 100}} {
2892	set val $_opacity($layer)
2893	set sval [expr { 0.01 * double($val) }]
2894	SendCmd "map layer opacity $sval $layer"
2895	}
2896
2897	itcl::body Rappture::MapViewer::SetLayerVisibility { dataobj layer } {
2898	set bool $_visibility($layer)
2899	SendCmd "map layer visible $bool $layer"
2900	}
2901
2902	itcl::body Rappture::MapViewer::UpdateLayerControls {} {
2903	set row 0
2904	set inner $_layersFrame
2905	if { [winfo exists $inner.layers] } {
2906	foreach w [winfo children $inner.layers] {
2907	destroy $w
2908	}
2909	}
2910	set f $inner.layers
2911	set attrib [list]
2912	set imgIdx 0
2913	foreach dataobj [get -objects] {
2914	foreach layer [$dataobj layer names] {
2915	array unset info
2916	array set info [$dataobj layer settings $layer]
2917	checkbutton $f.${layer}_visible \
2918	-text $info(label) \
2919	-font "Arial 9" -anchor w \
2920	-variable [itcl::scope _visibility($layer)] \
2921	-command [itcl::code $this \
2922	SetLayerVisibility $dataobj $layer]
2923	blt::table $f $row,0 $f.${layer}_visible -anchor w -pady 2 -cspan 2
2924	incr row
2925	if { $info(type) == "image" } {
2926	incr imgIdx
2927	if { $info(driver) == "colorramp" } {
2928	set colormap $layer
2929	if { ![info exists _image(legend-$colormap)] } {
2930	set _image(legend-$colormap) [image create photo]
2931	}
2932	itk_component add legend-$colormap-min {
2933	label $f.${layer}_legend-$colormap-min -text 0
2934	}
2935	itk_component add legend-$colormap-max {
2936	label $f.${layer}_legend-$colormap-max -text 1
2937	}
2938	itk_component add legend-$colormap {
2939	label $f.${layer}_legend-$colormap -image $_image(legend-$colormap)
2940	}
2941	blt::table $f $row,0 $f.${layer}_legend-$colormap-min -anchor w -pady 0
2942	blt::table $f $row,1 $f.${layer}_legend-$colormap-max -anchor e -pady 0
2943	incr row
2944	blt::table $f $row,0 $f.${layer}_legend-$colormap -anchor w -pady 2 -cspan 2
2945	incr row
2946	RequestLegend $colormap 256 16
2947	}
2948	}
2949	if { $info(type) != "elevation" && ($info(type) != "image" \|\| $imgIdx > 1) } {
2950	label $f.${layer}_opacity_l -text "Opacity" -font "Arial 9"
2951	::scale $f.${layer}_opacity -from 0 -to 100 \
2952	-orient horizontal -showvalue off \
2953	-variable [itcl::scope _opacity($layer)] \
2954	-width 10 \
2955	-command [itcl::code $this \
2956	SetLayerOpacity $dataobj $layer]
2957	Rappture::Tooltip::for $f.${layer}_opacity "Set opacity of $info(label) layer"
2958	blt::table $f $row,0 $f.${layer}_opacity_l -anchor w -pady 2
2959	blt::table $f $row,1 $f.${layer}_opacity -anchor w -pady 2
2960	incr row
2961	}
2962	set tooltip [list $info(description)]
2963	if { [info exists info(attribution)] &&
2964	$info(attribution) != ""} {
2965	lappend tooltip $info(attribution)
2966	}
2967	Rappture::Tooltip::for $f.${layer}_visible [join $tooltip \n]
2968	}
2969	set mapAttrib [$dataobj hints "attribution"]
2970	if { $mapAttrib != "" } {
2971	lappend attrib $mapAttrib
2972	}
2973	}
2974	SendCmd "[list map attrib [encoding convertto utf-8 [join $attrib ,]]]"
2975	label $f.map_attrib -text [join $attrib \n] -font "Arial 9"
2976	blt::table $f $row,0 $f.map_attrib -anchor sw -pady 2 -cspan 2
2977	#incr row
2978	if { $row > 0 } {
2979	blt::table configure $f r* c* -resize none
2980	blt::table configure $f r$row c1 -resize expand
2981	}
2982	}
2983
2984	itcl::body Rappture::MapViewer::UpdateViewpointControls {} {
2985	set row 0
2986	set inner $_viewpointsFrame
2987	if { [winfo exists $inner.viewpoints] } {
2988	foreach w [winfo children $inner.viewpoints] {
2989	destroy $w
2990	}
2991	}
2992	set f $inner.viewpoints
2993	foreach dataobj [get -objects] {
2994	foreach viewpoint [$dataobj viewpoints] {
2995	array unset info
2996	array set info [$dataobj viewpoint $viewpoint]
2997	button $f.${viewpoint}_go \
2998	-relief flat -compound left \
2999	-image [Rappture::icon placemark16] \
3000	-text $info(label) \
3001	-font "Arial 9" -anchor w \
3002	-command [itcl::code $this \
3003	GoToViewpoint $dataobj $viewpoint]
3004	label $f.${viewpoint}_label \
3005	-text $info(label) \
3006	-font "Arial 9" -anchor w
3007	blt::table $f $row,0 $f.${viewpoint}_go -anchor w -pady 2 -cspan 2
3008	#blt::table $f $row,1 $f.${viewpoint}_label -anchor w -pady 2
3009	Rappture::Tooltip::for $f.${viewpoint}_go $info(description)
3010	incr row
3011	}
3012	}
3013	if { $row > 0 } {
3014	blt::table configure $f r* c* -resize none
3015	blt::table configure $f r$row c1 -resize expand
3016	}
3017	}
3018
3019	#
3020	# Generate an OSG Earth file to send to server. This is inteneded
3021	# as a stopgap and testing tool until the protocol is fleshed out.
3022	#
3023	# Note that the lighting settings are required to be "hard-coded"
3024	# as below for the runtime control to work. Don't make those user
3025	# configurable.
3026	#
3027	# Also note: Use "true"/"false" for boolean settings. Not sure if
3028	# the parser in OSG Earth accepts all of Tcl's forms of boolean vals.
3029	#
3030	itcl::body Rappture::MapViewer::EarthFile {} {
3031	append out "<map"
3032	append out " name=\"$_mapsettings(label)\""
3033	append out " type=\"$_mapsettings(type)\""
3034	append out " version=\"2\""
3035	append out ">\n"
3036	append out " <options lighting=\"true\">\n"
3037	# FIXME: convert color setting to hex
3038	# array set style $_mapsettings(style)
3039	# if {[info exists style(-color)]} {
3040	# set color "?"
3041	# }
3042	set color "#ffffffff"
3043	append out " <terrain lighting=\"false\" color=\"$color\"/>\n"
3044	if { [info exists _mapsettings(projection)] } {
3045	append out " <profile"
3046	append out " srs=\"$_mapsettings(projection)\""
3047	if { [info exists _mapsettings(extents)] } {
3048	append out " xmin=\"$_mapsettings(x1)\""
3049	append out " ymin=\"$_mapsettings(y1)\""
3050	append out " xmax=\"$_mapsettings(x2)\""
3051	append out " ymax=\"$_mapsettings(y2)\""
3052	}
3053	append out "/>\n"
3054	}
3055	append out " </options>\n"
3056
3057	foreach dataobj [get -objects] {
3058	foreach layer [$dataobj layer names] {
3059	set _layers($layer) 1
3060	array unset info
3061	array set info [$dataobj layer settings $layer]
3062	switch -- $info(type) {
3063	"image" {
3064	append out " <image"
3065	append out " name=\"$layer\""
3066	append out " driver=\"gdal\""
3067	if { [info exists info(opacity)] } {
3068	append out " opacity=\"$info(opacity)\""
3069	}
3070	if { $info(visible) } {
3071	append out " visible=\"true\""
3072	} else {
3073	append out " visible=\"false\""
3074	}
3075	append out ">\n"
3076	append out " <url>$info(url)</url>\n"
3077	append out " </image>\n"
3078	}
3079	"elevation" {
3080	append out " <elevation"
3081	append out " name=\"$layer\""
3082	append out " driver=\"gdal\""
3083	if { $info(visible) } {
3084	append out " visible=\"true\""
3085	} else {
3086	append out " visible=\"false\""
3087	}
3088	append out ">\n"
3089	append out " <url>$info(url)</url>\n"
3090	append out " </elevation>\n"
3091	}
3092	default {
3093	puts stderr "Type $info(type) not implemented in MapViewer::EarthFile"
3094	}
3095	}
3096	}
3097	}
3098	append out "</map>\n"
3099	return $out
3100	}

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