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source: branches/1.3/gui/scripts/vtkglyphviewer.tcl @ 3739

Last change on this file since 3739 was 3739, checked in by gah, 11 years ago
bandaid R bindings for R 3.0.1
File size: 82.6 KB

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1	# -- mode: tcl; indent-tabs-mode: nil --
2
3	# ----------------------------------------------------------------------
4	# COMPONENT: vtkglyphviewer - Vtk 3D glyphs object viewer
5	#
6	# It connects to the Vtk server running on a rendering farm,
7	# transmits data, and displays the results.
8	# ======================================================================
9	# AUTHOR: Michael McLennan, Purdue University
10	# Copyright (c) 2004-2005 Purdue Research Foundation
11	#
12	# See the file "license.terms" for information on usage and
13	# redistribution of this file, and for a DISCLAIMER OF ALL WARRANTIES.
14	# ======================================================================
15	package require Itk
16	package require BLT
17	#package require Img
18
19	option add *VtkGlyphViewer.width 4i widgetDefault
20	option add VtkGlyphViewercursor crosshair widgetDefault
21	option add *VtkGlyphViewer.height 4i widgetDefault
22	option add *VtkGlyphViewer.foreground black widgetDefault
23	option add *VtkGlyphViewer.controlBackground gray widgetDefault
24	option add *VtkGlyphViewer.controlDarkBackground #999999 widgetDefault
25	option add *VtkGlyphViewer.plotBackground black widgetDefault
26	option add *VtkGlyphViewer.plotForeground white widgetDefault
27	option add *VtkGlyphViewer.font \
28	--helvetica-medium-r-normal--12-* widgetDefault
29
30	# must use this name -- plugs into Rappture::resources::load
31	proc VtkGlyphViewer_init_resources {} {
32	Rappture::resources::register \
33	vtkvis_server Rappture::VtkGlyphViewer::SetServerList
34	}
35
36	itcl::class Rappture::VtkGlyphViewer {
37	inherit Rappture::VisViewer
38
39	itk_option define -plotforeground plotForeground Foreground ""
40	itk_option define -plotbackground plotBackground Background ""
41
42	constructor { hostlist args } {
43	Rappture::VisViewer::constructor $hostlist
44	} {
45	# defined below
46	}
47	destructor {
48	# defined below
49	}
50	public proc SetServerList { namelist } {
51	Rappture::VisViewer::SetServerList "vtkvis" $namelist
52	}
53	public method add {dataobj {settings ""}}
54	public method camera {option args}
55	public method delete {args}
56	public method disconnect {}
57	public method download {option args}
58	public method get {args}
59	public method isconnected {}
60	public method limits { colormap }
61	public method parameters {title args} {
62	# do nothing
63	}
64	public method scale {args}
65
66	protected method Connect {}
67	protected method CurrentDatasets {args}
68	protected method Disconnect {}
69	protected method DoResize {}
70	protected method DoRotate {}
71	protected method AdjustSetting {what {value ""}}
72	protected method InitSettings { args }
73	protected method Pan {option x y}
74	protected method Pick {x y}
75	protected method Rebuild {}
76	protected method ReceiveDataset { args }
77	protected method ReceiveImage { args }
78	protected method ReceiveLegend { colormap title vmin vmax size }
79	protected method Rotate {option x y}
80	protected method Zoom {option}
81
82	# The following methods are only used by this class.
83	private method BuildAxisTab {}
84	private method BuildCameraTab {}
85	private method BuildColormap { name }
86	private method BuildCutplaneTab {}
87	private method BuildDownloadPopup { widget command }
88	private method BuildGlyphTab {}
89	private method DrawLegend {}
90	private method Combo { option }
91	private method EnterLegend { x y }
92	private method EventuallyResize { w h }
93	private method EventuallyRotate { q }
94	private method EventuallyRequestLegend {}
95	private method EventuallySetCutplane { axis args }
96	private method GetImage { args }
97	private method GetVtkData { args }
98	private method IsValidObject { dataobj }
99	private method LeaveLegend {}
100	private method MotionLegend { x y }
101	private method PanCamera {}
102	private method RequestLegend {}
103	private method SetLegendTip { x y }
104	private method SetObjectStyle { dataobj comp }
105	private method Slice {option args}
106	private method SetCurrentColormap { color }
107	private method SetOrientation { side }
108
109	private variable _arcball ""
110
111	private variable _dlist "" ; # list of data objects
112	private variable _obj2datasets
113	private variable _obj2ovride ; # maps dataobj => style override
114	private variable _datasets ; # contains all the dataobj-component
115	; # datasets in the server
116	private variable _colormaps ; # contains all the colormaps
117	; # in the server.
118	# The name of the current colormap used. The colormap is global to all
119	# heightmaps displayed.
120	private variable _currentColormap ""
121	private variable _currentOpacity ""
122
123	private variable _dataset2style ;# maps dataobj-component to transfunc
124
125	private variable _click ; # info used for rotate operations
126	private variable _limits ; # autoscale min/max for all axes
127	private variable _view ; # view params for 3D view
128	private variable _settings
129	private variable _style; # Array of current component styles.
130	private variable _changed
131	private variable _initialStyle; # Array of initial component styles.
132	private variable _reset 1; # indicates if camera needs to be reset
133	# to starting position.
134
135	private variable _first "" ; # This is the topmost dataset.
136	private variable _start 0
137	private variable _title ""
138	private variable _glyph
139	private variable _glyphsList ""
140
141	common _downloadPopup; # download options from popup
142	private common _hardcopy
143	private variable _width 0
144	private variable _height 0
145	private variable _resizePending 0
146	private variable _rotatePending 0
147	private variable _cutplanePending 0
148	private variable _legendPending 0
149	private variable _field ""
150	private variable _colorMode "vmag"; # Mode of colormap (vmag or scalar)
151	private variable _fieldNames {}
152	private variable _fields
153	private variable _curFldName ""
154	private variable _curFldLabel ""
155	}
156
157	itk::usual VtkGlyphViewer {
158	keep -background -foreground -cursor -font
159	keep -plotbackground -plotforeground
160	}
161
162	# ----------------------------------------------------------------------
163	# CONSTRUCTOR
164	# ----------------------------------------------------------------------
165	itcl::body Rappture::VtkGlyphViewer::constructor {hostlist args} {
166	package require vtk
167	set _serverType "vtkvis"
168
169	# Rebuild event
170	$_dispatcher register !rebuild
171	$_dispatcher dispatch $this !rebuild "[itcl::code $this Rebuild]; list"
172
173	# Resize event
174	$_dispatcher register !resize
175	$_dispatcher dispatch $this !resize "[itcl::code $this DoResize]; list"
176
177	# Rotate event
178	$_dispatcher register !rotate
179	$_dispatcher dispatch $this !rotate "[itcl::code $this DoRotate]; list"
180
181	# Legend event
182	$_dispatcher register !legend
183	$_dispatcher dispatch $this !legend "[itcl::code $this RequestLegend]; list"
184
185	# X-Cutplane event
186	$_dispatcher register !xcutplane
187	$_dispatcher dispatch $this !xcutplane \
188	"[itcl::code $this AdjustSetting cutplaneXPosition]; list"
189
190	# Y-Cutplane event
191	$_dispatcher register !ycutplane
192	$_dispatcher dispatch $this !ycutplane \
193	"[itcl::code $this AdjustSetting cutplaneYPosition]; list"
194
195	# Z-Cutplane event
196	$_dispatcher register !zcutplane
197	$_dispatcher dispatch $this !zcutplane \
198	"[itcl::code $this AdjustSetting cutplaneZPosition]; list"
199
200	#
201	# Populate parser with commands handle incoming requests
202	#
203	$_parser alias image [itcl::code $this ReceiveImage]
204	$_parser alias dataset [itcl::code $this ReceiveDataset]
205	$_parser alias legend [itcl::code $this ReceiveLegend]
206
207	# Initialize the view to some default parameters.
208	array set _view {
209	qw 0.853553
210	qx -0.353553
211	qy 0.353553
212	qz 0.146447
213	zoom 1.0
214	xpan 0
215	ypan 0
216	ortho 0
217	}
218	set _arcball [blt::arcball create 100 100]
219	set q [list $_view(qw) $_view(qx) $_view(qy) $_view(qz)]
220	$_arcball quaternion $q
221
222	array set _settings [subst {
223	background black
224	colormap BCGYR
225	colormapVisible 1
226	field "Default"
227	axesVisible 1
228	axisLabelsVisible 1
229	axisXGrid 0
230	axisYGrid 0
231	axisZGrid 0
232	cutplaneEdges 0
233	cutplaneLighting 1
234	cutplanePreinterp 0
235	cutplaneOpacity 100
236	cutplaneVisible 0
237	cutplaneWireframe 0
238	cutplaneXPosition 50
239	cutplaneXVisible 1
240	cutplaneYPosition 50
241	cutplaneYVisible 1
242	cutplaneZPosition 50
243	cutplaneZVisible 1
244	glyphEdges 0
245	glyphLighting 1
246	glyphOpacity 100
247	saveGlyphOpacity 100
248	glyphOutline 0
249	glyphVisible 1
250	glyphWireframe 0
251	legendVisible 1
252	}]
253	array set _changed {
254	glyphOpacity 0
255	colormap 0
256	}
257
258	itk_component add view {
259	canvas $itk_component(plotarea).view \
260	-highlightthickness 0 -borderwidth 0
261	} {
262	usual
263	ignore -highlightthickness -borderwidth -background
264	}
265
266	itk_component add fieldmenu {
267	menu $itk_component(plotarea).menu -bg black -fg white -relief flat \
268	-tearoff no
269	} {
270	usual
271	ignore -background -foreground -relief -tearoff
272	}
273	set c $itk_component(view)
274	bind $c <Configure> [itcl::code $this EventuallyResize %w %h]
275	bind $c <4> [itcl::code $this Zoom in 0.25]
276	bind $c <5> [itcl::code $this Zoom out 0.25]
277	bind $c <KeyPress-Left> [list %W xview scroll 10 units]
278	bind $c <KeyPress-Right> [list %W xview scroll -10 units]
279	bind $c <KeyPress-Up> [list %W yview scroll 10 units]
280	bind $c <KeyPress-Down> [list %W yview scroll -10 units]
281	bind $c <Enter> "focus %W"
282	bind $c <Control-F1> [itcl::code $this ToggleConsole]
283
284	# Fix the scrollregion in case we go off screen
285	$c configure -scrollregion [$c bbox all]
286
287	set _map(id) [$c create image 0 0 -anchor nw -image $_image(plot)]
288	set _map(cwidth) -1
289	set _map(cheight) -1
290	set _map(zoom) 1.0
291	set _map(original) ""
292
293	set f [$itk_component(main) component controls]
294	itk_component add reset {
295	button $f.reset -borderwidth 1 -padx 1 -pady 1 \
296	-highlightthickness 0 \
297	-image [Rappture::icon reset-view] \
298	-command [itcl::code $this Zoom reset]
299	} {
300	usual
301	ignore -highlightthickness
302	}
303	pack $itk_component(reset) -side top -padx 2 -pady 2
304	Rappture::Tooltip::for $itk_component(reset) \
305	"Reset the view to the default zoom level"
306
307	itk_component add zoomin {
308	button $f.zin -borderwidth 1 -padx 1 -pady 1 \
309	-highlightthickness 0 \
310	-image [Rappture::icon zoom-in] \
311	-command [itcl::code $this Zoom in]
312	} {
313	usual
314	ignore -highlightthickness
315	}
316	pack $itk_component(zoomin) -side top -padx 2 -pady 2
317	Rappture::Tooltip::for $itk_component(zoomin) "Zoom in"
318
319	itk_component add zoomout {
320	button $f.zout -borderwidth 1 -padx 1 -pady 1 \
321	-highlightthickness 0 \
322	-image [Rappture::icon zoom-out] \
323	-command [itcl::code $this Zoom out]
324	} {
325	usual
326	ignore -highlightthickness
327	}
328	pack $itk_component(zoomout) -side top -padx 2 -pady 2
329	Rappture::Tooltip::for $itk_component(zoomout) "Zoom out"
330
331	itk_component add glyphs {
332	Rappture::PushButton $f.glyphs \
333	-onimage [Rappture::icon volume-on] \
334	-offimage [Rappture::icon volume-off] \
335	-variable [itcl::scope _settings(glyphVisible)] \
336	-command [itcl::code $this AdjustSetting glyphVisible]
337	}
338	$itk_component(glyphs) select
339	Rappture::Tooltip::for $itk_component(glyphs) \
340	"Don't display the glyphs"
341	pack $itk_component(glyphs) -padx 2 -pady 2
342
343	itk_component add cutplane {
344	Rappture::PushButton $f.cutplane \
345	-onimage [Rappture::icon cutbutton] \
346	-offimage [Rappture::icon cutbutton] \
347	-variable [itcl::scope _settings(cutplaneVisible)] \
348	-command [itcl::code $this AdjustSetting cutplaneVisible]
349	}
350	Rappture::Tooltip::for $itk_component(cutplane) \
351	"Show/Hide cutplanes"
352	pack $itk_component(cutplane) -padx 2 -pady 2
353
354
355	if { [catch {
356	BuildGlyphTab
357	#BuildCutplaneTab
358	BuildAxisTab
359	BuildCameraTab
360	} errs] != 0 } {
361	puts stderr errs=$errs
362	}
363	# Legend
364
365	set _image(legend) [image create photo]
366	itk_component add legend {
367	canvas $itk_component(plotarea).legend -width 50 -highlightthickness 0
368	} {
369	usual
370	ignore -highlightthickness
371	rename -background -plotbackground plotBackground Background
372	}
373
374	# Hack around the Tk panewindow. The problem is that the requested
375	# size of the 3d view isn't set until an image is retrieved from
376	# the server. So the panewindow uses the tiny size.
377	set w 10000
378	pack forget $itk_component(view)
379	blt::table $itk_component(plotarea) \
380	0,0 $itk_component(view) -fill both -reqwidth $w
381	blt::table configure $itk_component(plotarea) c1 -resize none
382
383	# Bindings for rotation via mouse
384	bind $itk_component(view) <ButtonPress-1> \
385	[itcl::code $this Rotate click %x %y]
386	bind $itk_component(view) <B1-Motion> \
387	[itcl::code $this Rotate drag %x %y]
388	bind $itk_component(view) <ButtonRelease-1> \
389	[itcl::code $this Rotate release %x %y]
390
391	# Bindings for panning via mouse
392	bind $itk_component(view) <ButtonPress-2> \
393	[itcl::code $this Pan click %x %y]
394	bind $itk_component(view) <B2-Motion> \
395	[itcl::code $this Pan drag %x %y]
396	bind $itk_component(view) <ButtonRelease-2> \
397	[itcl::code $this Pan release %x %y]
398
399	#bind $itk_component(view) <ButtonRelease-3> \
400	# [itcl::code $this Pick %x %y]
401
402	# Bindings for panning via keyboard
403	bind $itk_component(view) <KeyPress-Left> \
404	[itcl::code $this Pan set -10 0]
405	bind $itk_component(view) <KeyPress-Right> \
406	[itcl::code $this Pan set 10 0]
407	bind $itk_component(view) <KeyPress-Up> \
408	[itcl::code $this Pan set 0 -10]
409	bind $itk_component(view) <KeyPress-Down> \
410	[itcl::code $this Pan set 0 10]
411	bind $itk_component(view) <Shift-KeyPress-Left> \
412	[itcl::code $this Pan set -2 0]
413	bind $itk_component(view) <Shift-KeyPress-Right> \
414	[itcl::code $this Pan set 2 0]
415	bind $itk_component(view) <Shift-KeyPress-Up> \
416	[itcl::code $this Pan set 0 -2]
417	bind $itk_component(view) <Shift-KeyPress-Down> \
418	[itcl::code $this Pan set 0 2]
419
420	# Bindings for zoom via keyboard
421	bind $itk_component(view) <KeyPress-Prior> \
422	[itcl::code $this Zoom out]
423	bind $itk_component(view) <KeyPress-Next> \
424	[itcl::code $this Zoom in]
425
426	bind $itk_component(view) <Enter> "focus $itk_component(view)"
427
428	if {[string equal "x11" [tk windowingsystem]]} {
429	# Bindings for zoom via mouse
430	bind $itk_component(view) <4> [itcl::code $this Zoom out]
431	bind $itk_component(view) <5> [itcl::code $this Zoom in]
432	}
433
434	set _image(download) [image create photo]
435
436	eval itk_initialize $args
437	Connect
438	update
439	}
440
441	# ----------------------------------------------------------------------
442	# DESTRUCTOR
443	# ----------------------------------------------------------------------
444	itcl::body Rappture::VtkGlyphViewer::destructor {} {
445	Disconnect
446	image delete $_image(plot)
447	image delete $_image(download)
448	catch { blt::arcball destroy $_arcball }
449	}
450
451	itcl::body Rappture::VtkGlyphViewer::DoResize {} {
452	if { $_width < 2 } {
453	set _width 500
454	}
455	if { $_height < 2 } {
456	set _height 500
457	}
458	set _start [clock clicks -milliseconds]
459	SendCmd "screen size $_width $_height"
460
461	EventuallyRequestLegend
462	set _resizePending 0
463	}
464
465	itcl::body Rappture::VtkGlyphViewer::DoRotate {} {
466	set q [list $_view(qw) $_view(qx) $_view(qy) $_view(qz)]
467	SendCmd "camera orient $q"
468	set _rotatePending 0
469	}
470
471	itcl::body Rappture::VtkGlyphViewer::EventuallyRequestLegend {} {
472	if { !$_legendPending } {
473	set _legendPending 1
474	$_dispatcher event -idle !legend
475	}
476	}
477
478	itcl::body Rappture::VtkGlyphViewer::EventuallyResize { w h } {
479	set _width $w
480	set _height $h
481	$_arcball resize $w $h
482	if { !$_resizePending } {
483	set _resizePending 1
484	$_dispatcher event -after 400 !resize
485	}
486	}
487
488	set rotate_delay 100
489
490	itcl::body Rappture::VtkGlyphViewer::EventuallyRotate { q } {
491	foreach { _view(qw) _view(qx) _view(qy) _view(qz) } $q break
492	if { !$_rotatePending } {
493	set _rotatePending 1
494	global rotate_delay
495	$_dispatcher event -after $rotate_delay !rotate
496	}
497	}
498
499	itcl::body Rappture::VtkGlyphViewer::EventuallySetCutplane { axis args } {
500	if { !$_cutplanePending } {
501	set _cutplanePending 1
502	$_dispatcher event -after 100 !${axis}cutplane
503	}
504	}
505
506	# ----------------------------------------------------------------------
507	# USAGE: add <dataobj> ?<settings>?
508	#
509	# Clients use this to add a data object to the plot. The optional
510	# <settings> are used to configure the plot. Allowed settings are
511	# -color, -brightness, -width, -linestyle, and -raise.
512	# ----------------------------------------------------------------------
513	itcl::body Rappture::VtkGlyphViewer::add {dataobj {settings ""}} {
514	if { ![$dataobj isvalid] } {
515	return; # Object doesn't contain valid data.
516	}
517	array set params {
518	-color auto
519	-width 1
520	-linestyle solid
521	-brightness 0
522	-raise 0
523	-description ""
524	-param ""
525	-type ""
526	}
527	array set params $settings
528	set params(-description) ""
529	set params(-param) ""
530	foreach {opt val} $settings {
531	if {![info exists params($opt)]} {
532	error "bad setting \"$opt\": should be [join [lsort [array names params]] {, }]"
533	}
534	set params($opt) $val
535	}
536	if {$params(-color) == "auto" \|\| $params(-color) == "autoreset"} {
537	# can't handle -autocolors yet
538	set params(-color) black
539	}
540	set pos [lsearch -exact $dataobj $_dlist]
541	if {$pos < 0} {
542	lappend _dlist $dataobj
543	}
544	set _obj2ovride($dataobj-color) $params(-color)
545	set _obj2ovride($dataobj-width) $params(-width)
546	set _obj2ovride($dataobj-raise) $params(-raise)
547	$_dispatcher event -idle !rebuild
548	}
549
550
551	# ----------------------------------------------------------------------
552	# USAGE: delete ?<dataobj1> <dataobj2> ...?
553	#
554	# Clients use this to delete a dataobj from the plot. If no dataobjs
555	# are specified, then all dataobjs are deleted. No data objects are
556	# deleted. They are only removed from the display list.
557	#
558	# ----------------------------------------------------------------------
559	itcl::body Rappture::VtkGlyphViewer::delete {args} {
560	if { [llength $args] == 0} {
561	set args $_dlist
562	}
563	# Delete all specified dataobjs
564	set changed 0
565	foreach dataobj $args {
566	set pos [lsearch -exact $_dlist $dataobj]
567	if { $pos < 0 } {
568	continue; # Don't know anything about it.
569	}
570	# Remove it from the dataobj list.
571	set _dlist [lreplace $_dlist $pos $pos]
572	SendCmd "dataset visible 0"
573	array unset _obj2ovride $dataobj-*
574	array unset _settings $dataobj-*
575	# Append to the end of the dataobj list.
576	lappend _dlist $dataobj
577	set changed 1
578	}
579	# If anything changed, then rebuild the plot
580	if { $changed } {
581	$_dispatcher event -idle !rebuild
582	}
583	}
584
585	# ----------------------------------------------------------------------
586	# USAGE: get ?-objects?
587	# USAGE: get ?-visible?
588	# USAGE: get ?-image view?
589	#
590	# Clients use this to query the list of objects being plotted, in
591	# order from bottom to top of this result. The optional "-image"
592	# flag can also request the internal images being shown.
593	# ----------------------------------------------------------------------
594	itcl::body Rappture::VtkGlyphViewer::get {args} {
595	if {[llength $args] == 0} {
596	set args "-objects"
597	}
598
599	set op [lindex $args 0]
600	switch -- $op {
601	"-objects" {
602	# put the dataobj list in order according to -raise options
603	set dlist {}
604	foreach dataobj $_dlist {
605	if { ![IsValidObject $dataobj] } {
606	continue
607	}
608	if {[info exists _obj2ovride($dataobj-raise)] &&
609	$_obj2ovride($dataobj-raise)} {
610	set dlist [linsert $dlist 0 $dataobj]
611	} else {
612	lappend dlist $dataobj
613	}
614	}
615	return $dlist
616	}
617	"-visible" {
618	set dlist {}
619	foreach dataobj $_dlist {
620	if { ![IsValidObject $dataobj] } {
621	continue
622	}
623	if { ![info exists _obj2ovride($dataobj-raise)] } {
624	# No setting indicates that the object isn't visible.
625	continue
626	}
627	# Otherwise use the -raise parameter to put the object to
628	# the front of the list.
629	if { $_obj2ovride($dataobj-raise) } {
630	set dlist [linsert $dlist 0 $dataobj]
631	} else {
632	lappend dlist $dataobj
633	}
634	}
635	return $dlist
636	}
637	-image {
638	if {[llength $args] != 2} {
639	error "wrong # args: should be \"get -image view\""
640	}
641	switch -- [lindex $args end] {
642	view {
643	return $_image(plot)
644	}
645	default {
646	error "bad image name \"[lindex $args end]\": should be view"
647	}
648	}
649	}
650	default {
651	error "bad option \"$op\": should be -objects or -image"
652	}
653	}
654	}
655
656	# ----------------------------------------------------------------------
657	# USAGE: scale ?<data1> <data2> ...?
658	#
659	# Sets the default limits for the overall plot according to the
660	# limits of the data for all of the given <data> objects. This
661	# accounts for all objects--even those not showing on the screen.
662	# Because of this, the limits are appropriate for all objects as
663	# the user scans through data in the ResultSet viewer.
664	# ----------------------------------------------------------------------
665	itcl::body Rappture::VtkGlyphViewer::scale { args } {
666	foreach dataobj $args {
667	if { ![$dataobj isvalid] } {
668	continue; # Object doesn't contain valid data.
669	}
670	foreach axis { x y z } {
671	set lim [$dataobj limits $axis]
672	if { ![info exists _limits($axis)] } {
673	set _limits($axis) $lim
674	continue
675	}
676	foreach {min max} $lim break
677	foreach {amin amax} $_limits($axis) break
678	if { $amin > $min } {
679	set amin $min
680	}
681	if { $amax < $max } {
682	set amax $max
683	}
684	set _limits($axis) [list $amin $amax]
685	}
686	foreach { fname lim } [$dataobj fieldlimits] {
687	if { ![info exists _limits($fname)] } {
688	set _limits($fname) $lim
689	continue
690	}
691	foreach {min max} $lim break
692	foreach {fmin fmax} $_limits($fname) break
693	if { $fmin > $min } {
694	set fmin $min
695	}
696	if { $fmax < $max } {
697	set fmax $max
698	}
699	set _limits($fname) [list $fmin $fmax]
700	}
701	}
702	}
703
704	# ----------------------------------------------------------------------
705	# USAGE: download coming
706	# USAGE: download controls <downloadCommand>
707	# USAGE: download now
708	#
709	# Clients use this method to create a downloadable representation
710	# of the plot. Returns a list of the form {ext string}, where
711	# "ext" is the file extension (indicating the type of data) and
712	# "string" is the data itself.
713	# ----------------------------------------------------------------------
714	itcl::body Rappture::VtkGlyphViewer::download {option args} {
715	switch $option {
716	coming {
717	if {[catch {
718	blt::winop snap $itk_component(plotarea) $_image(download)
719	}]} {
720	$_image(download) configure -width 1 -height 1
721	$_image(download) put #000000
722	}
723	}
724	controls {
725	set popup .vtkviewerdownload
726	if { ![winfo exists .vtkviewerdownload] } {
727	set inner [BuildDownloadPopup $popup [lindex $args 0]]
728	} else {
729	set inner [$popup component inner]
730	}
731	set _downloadPopup(image_controls) $inner.image_frame
732	set num [llength [get]]
733	set num [expr {($num == 1) ? "1 result" : "$num results"}]
734	set word [Rappture::filexfer::label downloadWord]
735	$inner.summary configure -text "$word $num in the following format:"
736	update idletasks ;# Fix initial sizes
737	return $popup
738	}
739	now {
740	set popup .vtkviewerdownload
741	if {[winfo exists .vtkviewerdownload]} {
742	$popup deactivate
743	}
744	switch -- $_downloadPopup(format) {
745	"image" {
746	return [$this GetImage [lindex $args 0]]
747	}
748	"vtk" {
749	return [$this GetVtkData [lindex $args 0]]
750	}
751	}
752	return ""
753	}
754	default {
755	error "bad option \"$option\": should be coming, controls, now"
756	}
757	}
758	}
759
760	# ----------------------------------------------------------------------
761	# USAGE: Connect ?<host:port>,<host:port>...?
762	#
763	# Clients use this method to establish a connection to a new
764	# server, or to reestablish a connection to the previous server.
765	# Any existing connection is automatically closed.
766	# ----------------------------------------------------------------------
767	itcl::body Rappture::VtkGlyphViewer::Connect {} {
768	set _hosts [GetServerList "vtkvis"]
769	if { "" == $_hosts } {
770	return 0
771	}
772	set result [VisViewer::Connect $_hosts]
773	if { $result } {
774	if { $_reportClientInfo } {
775	# Tell the server the viewer, hub, user and session.
776	# Do this immediately on connect before buffing any commands
777	global env
778
779	set info {}
780	set user "???"
781	if { [info exists env(USER)] } {
782	set user $env(USER)
783	}
784	set session "???"
785	if { [info exists env(SESSION)] } {
786	set session $env(SESSION)
787	}
788	lappend info "hub" [exec hostname]
789	lappend info "client" "vtkglyphviewer"
790	lappend info "user" $user
791	lappend info "session" $session
792	SendCmd "clientinfo [list $info]"
793	}
794
795	set w [winfo width $itk_component(view)]
796	set h [winfo height $itk_component(view)]
797	EventuallyResize $w $h
798	}
799	return $result
800	}
801
802	#
803	# isconnected --
804	#
805	# Indicates if we are currently connected to the visualization server.
806	#
807	itcl::body Rappture::VtkGlyphViewer::isconnected {} {
808	return [VisViewer::IsConnected]
809	}
810
811	#
812	# disconnect --
813	#
814	itcl::body Rappture::VtkGlyphViewer::disconnect {} {
815	Disconnect
816	set _reset 1
817	}
818
819	#
820	# Disconnect --
821	#
822	# Clients use this method to disconnect from the current rendering
823	# server.
824	#
825	itcl::body Rappture::VtkGlyphViewer::Disconnect {} {
826	VisViewer::Disconnect
827
828	$_dispatcher cancel !rebuild
829	$_dispatcher cancel !resize
830	$_dispatcher cancel !rotate
831	$_dispatcher cancel !xcutplane
832	$_dispatcher cancel !ycutplane
833	$_dispatcher cancel !zcutplane
834	$_dispatcher cancel !legend
835	# disconnected -- no more data sitting on server
836	set _outbuf ""
837	array unset _datasets
838	array unset _data
839	array unset _colormaps
840	array unset _seeds
841	array unset _dataset2style
842	array unset _obj2datasets
843	}
844
845	# ----------------------------------------------------------------------
846	# USAGE: ReceiveImage -bytes <size> -type <type> -token <token>
847	#
848	# Invoked automatically whenever the "image" command comes in from
849	# the rendering server. Indicates that binary image data with the
850	# specified <size> will follow.
851	# ----------------------------------------------------------------------
852	itcl::body Rappture::VtkGlyphViewer::ReceiveImage { args } {
853	array set info {
854	-token "???"
855	-bytes 0
856	-type image
857	}
858	array set info $args
859	set bytes [ReceiveBytes $info(-bytes)]
860	if { $info(-type) == "image" } {
861	if 0 {
862	set f [open "last.ppm" "w"]
863	puts $f $bytes
864	close $f
865	}
866	$_image(plot) configure -data $bytes
867	set time [clock seconds]
868	set date [clock format $time]
869	#puts stderr "$date: received image [image width $_image(plot)]x[image height $_image(plot)] image>"
870	if { $_start > 0 } {
871	set finish [clock clicks -milliseconds]
872	#puts stderr "round trip time [expr $finish -$_start] milliseconds"
873	set _start 0
874	}
875	} elseif { $info(type) == "print" } {
876	set tag $this-print-$info(-token)
877	set _hardcopy($tag) $bytes
878	}
879	EventuallyRequestLegend
880	}
881
882	#
883	# ReceiveDataset --
884	#
885	itcl::body Rappture::VtkGlyphViewer::ReceiveDataset { args } {
886	if { ![isconnected] } {
887	return
888	}
889	set option [lindex $args 0]
890	switch -- $option {
891	"scalar" {
892	set option [lindex $args 1]
893	switch -- $option {
894	"world" {
895	foreach { x y z value tag } [lrange $args 2 end] break
896	}
897	"pixel" {
898	foreach { x y value tag } [lrange $args 2 end] break
899	}
900	}
901	}
902	"vector" {
903	set option [lindex $args 1]
904	switch -- $option {
905	"world" {
906	foreach { x y z vx vy vz tag } [lrange $args 2 end] break
907	}
908	"pixel" {
909	foreach { x y vx vy vz tag } [lrange $args 2 end] break
910	}
911	}
912	}
913	"names" {
914	foreach { name } [lindex $args 1] {
915	#puts stderr "Dataset: $name"
916	}
917	}
918	default {
919	error "unknown dataset option \"$option\" from server"
920	}
921	}
922	}
923
924	# ----------------------------------------------------------------------
925	# USAGE: Rebuild
926	#
927	# Called automatically whenever something changes that affects the
928	# data in the widget. Clears any existing data and rebuilds the
929	# widget to display new data.
930	# ----------------------------------------------------------------------
931	itcl::body Rappture::VtkGlyphViewer::Rebuild {} {
932	set w [winfo width $itk_component(view)]
933	set h [winfo height $itk_component(view)]
934	if { $w < 2 \|\| $h < 2 } {
935	$_dispatcher event -idle !rebuild
936	return
937	}
938
939	# Turn on buffering of commands to the server. We don't want to
940	# be preempted by a server disconnect/reconnect (which automatically
941	# generates a new call to Rebuild).
942	StartBufferingCommands
943
944	if { $_reset } {
945	set _width $w
946	set _height $h
947	$_arcball resize $w $h
948	DoResize
949	#
950	# Reset the camera and other view parameters
951	#
952	set q [list $_view(qw) $_view(qx) $_view(qy) $_view(qz)]
953	$_arcball quaternion $q
954	if {$_view(ortho)} {
955	SendCmd "camera mode ortho"
956	} else {
957	SendCmd "camera mode persp"
958	}
959	DoRotate
960	PanCamera
961	set _first ""
962	InitSettings axisXGrid axisYGrid axisZGrid axisMode \
963	axesVisible axisLabelsVisible
964	foreach axis { x y z } {
965	SendCmd "axis lformat $axis %g"
966	}
967	StopBufferingCommands
968	SendCmd "imgflush"
969	StartBufferingCommands
970	}
971	set _first ""
972	SendCmd "dataset visible 0"
973	foreach dataobj [get -objects] {
974	if { [info exists _obj2ovride($dataobj-raise)] && $_first == "" } {
975	set _first $dataobj
976	}
977	set _obj2datasets($dataobj) ""
978	foreach comp [$dataobj components] {
979	set tag $dataobj-$comp
980	if { ![info exists _datasets($tag)] } {
981	set bytes [$dataobj vtkdata $comp]
982	if 1 {
983	set f [open "/tmp/glyph.vtk" "w"]
984	puts $f $bytes
985	close $f
986	}
987	set length [string length $bytes]
988	if { $_reportClientInfo } {
989	set info {}
990	lappend info "tool_id" [$dataobj hints toolId]
991	lappend info "tool_name" [$dataobj hints toolName]
992	lappend info "tool_version" [$dataobj hints toolRevision]
993	lappend info "tool_title" [$dataobj hints toolTitle]
994	lappend info "dataset_label" [$dataobj hints label]
995	lappend info "dataset_size" $length
996	lappend info "dataset_tag" $tag
997	SendCmd "clientinfo [list $info]"
998	}
999	append _outbuf "dataset add $tag data follows $length\n"
1000	append _outbuf $bytes
1001	set _datasets($tag) 1
1002	SetObjectStyle $dataobj $comp
1003	}
1004	lappend _obj2datasets($dataobj) $tag
1005	if { [info exists _obj2ovride($dataobj-raise)] } {
1006	# Setting dataset visible enables outline (if enabled)
1007	# and glyphs
1008	SendCmd "dataset visible 1 $tag"
1009	}
1010	}
1011	}
1012
1013	if { $_first != "" } {
1014	$itk_component(field) choices delete 0 end
1015	$itk_component(fieldmenu) delete 0 end
1016	array unset _fields
1017	set _curFldName ""
1018	foreach cname [$_first components] {
1019	foreach fname [$_first fieldnames $cname] {
1020	if { [info exists _fields($fname)] } {
1021	continue
1022	}
1023	foreach { label units components } \
1024	[$_first fieldinfo $fname] break
1025	$itk_component(field) choices insert end "$fname" "$label"
1026	$itk_component(fieldmenu) add radiobutton -label "$label" \
1027	-value $label -variable [itcl::scope _curFldLabel] \
1028	-selectcolor red \
1029	-activebackground $itk_option(-plotbackground) \
1030	-activeforeground $itk_option(-plotforeground) \
1031	-font "Arial 8" \
1032	-command [itcl::code $this Combo invoke]
1033	set _fields($fname) [list $label $units $components]
1034	if { $_curFldName == "" } {
1035	set _curFldName $fname
1036	set _curFldLabel $label
1037	}
1038	}
1039	}
1040	$itk_component(field) value $_curFldLabel
1041	}
1042	#InitSettings cutplaneVisible
1043	if { $_reset } {
1044	# These are settings that rely on a dataset being loaded.
1045	InitSettings \
1046	glyphLighting \
1047	field \
1048	glyphEdges glyphLighting glyphOpacity \
1049	glyphWireframe glyphOutline
1050
1051	#cutplaneXPosition cutplaneYPosition cutplaneZPosition \
1052	cutplaneXVisible cutplaneYVisible cutplaneZVisible \
1053	cutplanePreinterp
1054
1055	Zoom reset
1056	foreach axis { x y z } {
1057	# Another problem fixed by a <view>. We looking into a data
1058	# object for the name of the axes. This should be global to
1059	# the viewer itself.
1060	set label [$_first hints ${axis}label]
1061	if { $label == "" } {
1062	set label [string toupper $axis]
1063	}
1064	# May be a space in the axis label.
1065	SendCmd [list axis name $axis $label]
1066	}
1067	if { [array size _fields] < 2 } {
1068	blt::table forget $itk_component(field) $itk_component(field_l)
1069	}
1070	set _reset 0
1071	}
1072
1073	# Actually write the commands to the server socket. If it fails, we don't
1074	# care. We're finished here.
1075	blt::busy hold $itk_component(hull)
1076	StopBufferingCommands; # Turn off buffering and send commands.
1077	blt::busy release $itk_component(hull)
1078	}
1079
1080	# ----------------------------------------------------------------------
1081	# USAGE: CurrentDatasets ?-all -visible? ?dataobjs?
1082	#
1083	# Returns a list of server IDs for the current datasets being displayed. This
1084	# is normally a single ID, but it might be a list of IDs if the current data
1085	# object has multiple components.
1086	# ----------------------------------------------------------------------
1087	itcl::body Rappture::VtkGlyphViewer::CurrentDatasets {args} {
1088	set flag [lindex $args 0]
1089	switch -- $flag {
1090	"-all" {
1091	if { [llength $args] > 1 } {
1092	error "CurrentDatasets: can't specify dataobj after \"-all\""
1093	}
1094	set dlist [get -objects]
1095	}
1096	"-visible" {
1097	if { [llength $args] > 1 } {
1098	set dlist {}
1099	set args [lrange $args 1 end]
1100	foreach dataobj $args {
1101	if { [info exists _obj2ovride($dataobj-raise)] } {
1102	lappend dlist $dataobj
1103	}
1104	}
1105	} else {
1106	set dlist [get -visible]
1107	}
1108	}
1109	default {
1110	set dlist $args
1111	}
1112	}
1113	set rlist ""
1114	foreach dataobj $dlist {
1115	foreach comp [$dataobj components] {
1116	set tag $dataobj-$comp
1117	if { [info exists _datasets($tag)] && $_datasets($tag) } {
1118	lappend rlist $tag
1119	}
1120	}
1121	}
1122	return $rlist
1123	}
1124
1125	# ----------------------------------------------------------------------
1126	# USAGE: Zoom in
1127	# USAGE: Zoom out
1128	# USAGE: Zoom reset
1129	#
1130	# Called automatically when the user clicks on one of the zoom
1131	# controls for this widget. Changes the zoom for the current view.
1132	# ----------------------------------------------------------------------
1133	itcl::body Rappture::VtkGlyphViewer::Zoom {option} {
1134	switch -- $option {
1135	"in" {
1136	set _view(zoom) [expr {$_view(zoom)*1.25}]
1137	SendCmd "camera zoom $_view(zoom)"
1138	}
1139	"out" {
1140	set _view(zoom) [expr {$_view(zoom)*0.8}]
1141	SendCmd "camera zoom $_view(zoom)"
1142	}
1143	"reset" {
1144	array set _view {
1145	qw 0.853553
1146	qx -0.353553
1147	qy 0.353553
1148	qz 0.146447
1149	zoom 1.0
1150	xpan 0
1151	ypan 0
1152	}
1153	if { $_first != "" } {
1154	set location [$_first hints camera]
1155	if { $location != "" } {
1156	array set _view $location
1157	}
1158	}
1159	set q [list $_view(qw) $_view(qx) $_view(qy) $_view(qz)]
1160	$_arcball quaternion $q
1161	DoRotate
1162	SendCmd "camera reset"
1163	}
1164	}
1165	}
1166
1167	itcl::body Rappture::VtkGlyphViewer::PanCamera {} {
1168	set x $_view(xpan)
1169	set y $_view(ypan)
1170	SendCmd "camera pan $x $y"
1171	}
1172
1173
1174	# ----------------------------------------------------------------------
1175	# USAGE: Rotate click <x> <y>
1176	# USAGE: Rotate drag <x> <y>
1177	# USAGE: Rotate release <x> <y>
1178	#
1179	# Called automatically when the user clicks/drags/releases in the
1180	# plot area. Moves the plot according to the user's actions.
1181	# ----------------------------------------------------------------------
1182	itcl::body Rappture::VtkGlyphViewer::Rotate {option x y} {
1183	switch -- $option {
1184	"click" {
1185	$itk_component(view) configure -cursor fleur
1186	set _click(x) $x
1187	set _click(y) $y
1188	}
1189	"drag" {
1190	if {[array size _click] == 0} {
1191	Rotate click $x $y
1192	} else {
1193	set w [winfo width $itk_component(view)]
1194	set h [winfo height $itk_component(view)]
1195	if {$w <= 0 \|\| $h <= 0} {
1196	return
1197	}
1198
1199	if {[catch {
1200	# this fails sometimes for no apparent reason
1201	set dx [expr {double($x-$_click(x))/$w}]
1202	set dy [expr {double($y-$_click(y))/$h}]
1203	}]} {
1204	return
1205	}
1206	if { $dx == 0 && $dy == 0 } {
1207	return
1208	}
1209	set q [$_arcball rotate $x $y $_click(x) $_click(y)]
1210	EventuallyRotate $q
1211	set _click(x) $x
1212	set _click(y) $y
1213	}
1214	}
1215	"release" {
1216	Rotate drag $x $y
1217	$itk_component(view) configure -cursor ""
1218	catch {unset _click}
1219	}
1220	default {
1221	error "bad option \"$option\": should be click, drag, release"
1222	}
1223	}
1224	}
1225
1226	itcl::body Rappture::VtkGlyphViewer::Pick {x y} {
1227	foreach tag [CurrentDatasets -visible] {
1228	SendCmdNoSplash "dataset getscalar pixel $x $y $tag"
1229	}
1230	}
1231
1232	# ----------------------------------------------------------------------
1233	# USAGE: $this Pan click x y
1234	# $this Pan drag x y
1235	# $this Pan release x y
1236	#
1237	# Called automatically when the user clicks on one of the zoom
1238	# controls for this widget. Changes the zoom for the current view.
1239	# ----------------------------------------------------------------------
1240	itcl::body Rappture::VtkGlyphViewer::Pan {option x y} {
1241	switch -- $option {
1242	"set" {
1243	set w [winfo width $itk_component(view)]
1244	set h [winfo height $itk_component(view)]
1245	set x [expr $x / double($w)]
1246	set y [expr $y / double($h)]
1247	set _view(xpan) [expr $_view(xpan) + $x]
1248	set _view(ypan) [expr $_view(ypan) + $y]
1249	PanCamera
1250	return
1251	}
1252	"click" {
1253	set _click(x) $x
1254	set _click(y) $y
1255	$itk_component(view) configure -cursor hand1
1256	}
1257	"drag" {
1258	if { ![info exists _click(x)] } {
1259	set _click(x) $x
1260	}
1261	if { ![info exists _click(y)] } {
1262	set _click(y) $y
1263	}
1264	set w [winfo width $itk_component(view)]
1265	set h [winfo height $itk_component(view)]
1266	set dx [expr ($_click(x) - $x)/double($w)]
1267	set dy [expr ($_click(y) - $y)/double($h)]
1268	set _click(x) $x
1269	set _click(y) $y
1270	set _view(xpan) [expr $_view(xpan) - $dx]
1271	set _view(ypan) [expr $_view(ypan) - $dy]
1272	PanCamera
1273	}
1274	"release" {
1275	Pan drag $x $y
1276	$itk_component(view) configure -cursor ""
1277	}
1278	default {
1279	error "unknown option \"$option\": should set, click, drag, or release"
1280	}
1281	}
1282	}
1283
1284	# ----------------------------------------------------------------------
1285	# USAGE: InitSettings <what> ?<value>?
1286	#
1287	# Used internally to update rendering settings whenever parameters
1288	# change in the popup settings panel. Sends the new settings off
1289	# to the back end.
1290	# ----------------------------------------------------------------------
1291	itcl::body Rappture::VtkGlyphViewer::InitSettings { args } {
1292	foreach spec $args {
1293	if { [info exists _settings($_first-$spec)] } {
1294	# Reset global setting with dataobj specific setting
1295	set _settings($spec) $_settings($_first-$spec)
1296	}
1297	AdjustSetting $spec
1298	}
1299	}
1300
1301	#
1302	# AdjustSetting --
1303	#
1304	# Changes/updates a specific setting in the widget. There are
1305	# usually user-setable option. Commands are sent to the render
1306	# server.
1307	#
1308	itcl::body Rappture::VtkGlyphViewer::AdjustSetting {what {value ""}} {
1309	if { ![isconnected] } {
1310	return
1311	}
1312	switch -- $what {
1313	"background" {
1314	set bgcolor [$itk_component(background) value]
1315	array set fgcolors {
1316	"black" "white"
1317	"white" "black"
1318	"grey" "black"
1319	}
1320	configure -plotbackground $bgcolor \
1321	-plotforeground $fgcolors($bgcolor)
1322	$itk_component(view) delete "legend"
1323	DrawLegend
1324	}
1325	"axesVisible" {
1326	set bool $_settings(axesVisible)
1327	SendCmd "axis visible all $bool"
1328	}
1329	"axisLabelsVisible" {
1330	set bool $_settings(axisLabelsVisible)
1331	SendCmd "axis labels all $bool"
1332	}
1333	"axisXGrid" - "axisYGrid" - "axisZGrid" {
1334	set axis [string tolower [string range $what 4 4]]
1335	set bool $_settings($what)
1336	SendCmd "axis grid $axis $bool"
1337	}
1338	"axisMode" {
1339	set mode [$itk_component(axisMode) value]
1340	set mode [$itk_component(axisMode) translate $mode]
1341	set _settings($what) $mode
1342	SendCmd "axis flymode $mode"
1343	}
1344	"cutplaneEdges" {
1345	set bool $_settings($what)
1346	SendCmd "cutplane edges $bool"
1347	}
1348	"cutplaneVisible" {
1349	set bool $_settings($what)
1350	SendCmd "cutplane visible $bool"
1351	}
1352	"cutplaneWireframe" {
1353	set bool $_settings($what)
1354	SendCmd "cutplane wireframe $bool"
1355	}
1356	"cutplaneLighting" {
1357	set bool $_settings($what)
1358	SendCmd "cutplane lighting $bool"
1359	}
1360	"cutplaneOpacity" {
1361	set val $_settings($what)
1362	set sval [expr { 0.01 * double($val) }]
1363	SendCmd "cutplane opacity $sval"
1364	}
1365	"cutplanePreinterp" {
1366	set bool $_settings($what)
1367	SendCmd "cutplane preinterp $bool"
1368	}
1369	"cutplaneXVisible" - "cutplaneYVisible" - "cutplaneZVisible" {
1370	set axis [string tolower [string range $what 8 8]]
1371	set bool $_settings($what)
1372	if { $bool } {
1373	$itk_component(${axis}position) configure -state normal \
1374	-troughcolor white
1375	} else {
1376	$itk_component(${axis}position) configure -state disabled \
1377	-troughcolor grey82
1378	}
1379	SendCmd "cutplane axis $axis $bool"
1380	}
1381	"cutplaneXPosition" - "cutplaneYPosition" - "cutplaneZPosition" {
1382	set axis [string tolower [string range $what 8 8]]
1383	set pos [expr $_settings($what) * 0.01]
1384	SendCmd "cutplane slice ${axis} ${pos}"
1385	set _cutplanePending 0
1386	}
1387	"colormap" {
1388	set _changed(colormap) 1
1389	StartBufferingCommands
1390	set color [$itk_component(colormap) value]
1391	set _settings(colormap) $color
1392	if { $color == "none" } {
1393	if { $_settings(colormapVisible) } {
1394	SendCmd "glyphs surface 0"
1395	set _settings(colormapVisible) 0
1396	}
1397	} else {
1398	if { !$_settings(colormapVisible) } {
1399	SendCmd "glyphs surface 1"
1400	set _settings(colormapVisible) 1
1401	}
1402	SetCurrentColormap $color
1403	}
1404	StopBufferingCommands
1405	EventuallyRequestLegend
1406	}
1407	"glyphWireframe" {
1408	set bool $_settings(glyphWireframe)
1409	SendCmd "glyphs wireframe $bool"
1410	}
1411	"glyphVisible" {
1412	set bool $_settings(glyphVisible)
1413	SendCmd "glyphs visible $bool"
1414	if { $bool } {
1415	Rappture::Tooltip::for $itk_component(glyphs) \
1416	"Hide the glyph"
1417	} else {
1418	Rappture::Tooltip::for $itk_component(glyphs) \
1419	"Show the glyph"
1420	}
1421	DrawLegend
1422	}
1423	"glyphLighting" {
1424	set bool $_settings(glyphLighting)
1425	SendCmd "glyphs lighting $bool"
1426	}
1427	"glyphEdges" {
1428	set bool $_settings(glyphEdges)
1429	SendCmd "glyphs edges $bool"
1430	}
1431	"glyphOutline" {
1432	set bool $_settings(glyphOutline)
1433	SendCmd "outline visible $bool"
1434	}
1435	"glyphOpacity" {
1436	set val $_settings(glyphOpacity)
1437	set sval [expr { 0.01 * double($val) }]
1438	SendCmd "glyphs opacity $sval"
1439	}
1440	"field" {
1441	set label [$itk_component(field) value]
1442	set fname [$itk_component(field) translate $label]
1443	set _settings(field) $fname
1444	if { [info exists _fields($fname)] } {
1445	foreach { label units components } $_fields($fname) break
1446	if { $components > 1 } {
1447	set _colorMode vmag
1448	} else {
1449	set _colorMode scalar
1450	}
1451	set _curFldName $fname
1452	set _curFldLabel $label
1453	} else {
1454	puts stderr "unknown field \"$fname\""
1455	return
1456	}
1457	SendCmd "dataset vector $_curFldName"
1458	SendCmd "dataset maprange explicit $_limits($_curFldName) $_curFldName"
1459	#SendCmd "cutplane colormode $_colorMode $_curFldName"
1460	SendCmd "glyphs colormode $_colorMode $_curFldName"
1461	SendCmd "camera reset"
1462	DrawLegend
1463	}
1464	"legendVisible" {
1465	if { !$_settings(legendVisible) } {
1466	$itk_component(view) delete legend
1467	}
1468	DrawLegend
1469	}
1470	default {
1471	error "don't know how to fix $what"
1472	}
1473	}
1474	}
1475
1476
1477	#
1478	# RequestLegend --
1479	#
1480	# Request a new legend from the server. The size of the legend
1481	# is determined from the height of the canvas.
1482	#
1483	# This should be called when
1484	# 1. A new current colormap is set.
1485	# 2. Window is resized.
1486	# 3. The limits of the data have changed. (Just need a redraw).
1487	# 4. Number of glyph have changed. (Just need a redraw).
1488	# 5. Legend becomes visible (Just need a redraw).
1489	#
1490	itcl::body Rappture::VtkGlyphViewer::RequestLegend {} {
1491	if { ![info exists _fields($_curFldName)] } {
1492	return
1493	}
1494	set fname $_curFldName
1495	set _legendPending 0
1496	set font "Arial 8"
1497	set lineht [font metrics $font -linespace]
1498	set c $itk_component(view)
1499	set w 12
1500	set h [expr {$_height - 2 * ($lineht + 2)}]
1501	if { $h < 1} {
1502	return
1503	}
1504	if { [string match "component*" $fname] } {
1505	set title ""
1506	} else {
1507	if { [info exists _fields($fname)] } {
1508	foreach { title units } $_fields($fname) break
1509	if { $units != "" } {
1510	set title [format "%s (%s)" $title $units]
1511	}
1512	} else {
1513	set title $fname
1514	}
1515	}
1516	# If there's a title too, substract one more line
1517	if { $title != "" } {
1518	incr h -$lineht
1519	}
1520	# Set the legend on the first heightmap dataset.
1521	if { $_currentColormap != "" } {
1522	set cmap $_currentColormap
1523	SendCmdNoWait "legend $cmap vmag $_curFldName {} $w $h 0"
1524	}
1525	}
1526
1527	# ----------------------------------------------------------------------
1528	# CONFIGURATION OPTION: -plotbackground
1529	# ----------------------------------------------------------------------
1530	itcl::configbody Rappture::VtkGlyphViewer::plotbackground {
1531	if { [isconnected] } {
1532	set rgb [Color2RGB $itk_option(-plotbackground)]
1533	SendCmd "screen bgcolor $rgb"
1534	}
1535	}
1536
1537	# ----------------------------------------------------------------------
1538	# CONFIGURATION OPTION: -plotforeground
1539	# ----------------------------------------------------------------------
1540	itcl::configbody Rappture::VtkGlyphViewer::plotforeground {
1541	if { [isconnected] } {
1542	set rgb [Color2RGB $itk_option(-plotforeground)]
1543	SendCmd "axis color all $rgb"
1544	SendCmd "outline color $rgb"
1545	#SendCmd "cutplane ccolor $rgb"
1546	}
1547	}
1548
1549	itcl::body Rappture::VtkGlyphViewer::limits { dataobj } {
1550	foreach { limits(xmin) limits(xmax) } [$dataobj limits x] break
1551	foreach { limits(ymin) limits(ymax) } [$dataobj limits y] break
1552	foreach { limits(zmin) limits(zmax) } [$dataobj limits z] break
1553	foreach { limits(vmin) limits(vmax) } [$dataobj limits v] break
1554	return [array get limits]
1555	}
1556
1557	itcl::body Rappture::VtkGlyphViewer::BuildGlyphTab {} {
1558
1559	set fg [option get $itk_component(hull) font Font]
1560	#set bfg [option get $itk_component(hull) boldFont Font]
1561
1562	set inner [$itk_component(main) insert end \
1563	-title "Glyph Settings" \
1564	-icon [Rappture::icon volume-on]]
1565	$inner configure -borderwidth 4
1566
1567	checkbutton $inner.glyphs \
1568	-text "Glyphs" \
1569	-variable [itcl::scope _settings(glyphVisible)] \
1570	-command [itcl::code $this AdjustSetting glyphVisible] \
1571	-font "Arial 9"
1572
1573	checkbutton $inner.wireframe \
1574	-text "Wireframe" \
1575	-variable [itcl::scope _settings(glyphWireframe)] \
1576	-command [itcl::code $this AdjustSetting glyphWireframe] \
1577	-font "Arial 9"
1578
1579	checkbutton $inner.lighting \
1580	-text "Enable Lighting" \
1581	-variable [itcl::scope _settings(glyphLighting)] \
1582	-command [itcl::code $this AdjustSetting glyphLighting] \
1583	-font "Arial 9"
1584
1585	checkbutton $inner.edges \
1586	-text "Edges" \
1587	-variable [itcl::scope _settings(glyphEdges)] \
1588	-command [itcl::code $this AdjustSetting glyphEdges] \
1589	-font "Arial 9"
1590
1591	checkbutton $inner.outline \
1592	-text "Outline" \
1593	-variable [itcl::scope _settings(glyphOutline)] \
1594	-command [itcl::code $this AdjustSetting glyphOutline] \
1595	-font "Arial 9"
1596
1597	checkbutton $inner.legend \
1598	-text "Legend" \
1599	-variable [itcl::scope _settings(legendVisible)] \
1600	-command [itcl::code $this AdjustSetting legendVisible] \
1601	-font "Arial 9"
1602
1603	label $inner.background_l -text "Background" -font "Arial 9"
1604	itk_component add background {
1605	Rappture::Combobox $inner.background -width 10 -editable no
1606	}
1607	$inner.background choices insert end \
1608	"black" "black" \
1609	"white" "white" \
1610	"grey" "grey"
1611
1612	$itk_component(background) value $_settings(background)
1613	bind $inner.background <<Value>> [itcl::code $this AdjustSetting background]
1614
1615	label $inner.opacity_l -text "Opacity" -font "Arial 9"
1616	::scale $inner.opacity -from 0 -to 100 -orient horizontal \
1617	-variable [itcl::scope _settings(glyphOpacity)] \
1618	-width 10 \
1619	-showvalue off \
1620	-command [itcl::code $this AdjustSetting glyphOpacity]
1621
1622	label $inner.scale_l -text "Scale" -font "Arial 9"
1623	::scale $inner.scale -from 1 -to 100 -orient horizontal \
1624	-variable [itcl::scope _settings(glyphs-scale)] \
1625	-width 10 \
1626	-showvalue off \
1627	-command [itcl::code $this AdjustSetting glyphs-scale]
1628
1629	itk_component add field_l {
1630	label $inner.field_l -text "Field" -font "Arial 9"
1631	} {
1632	ignore -font
1633	}
1634	itk_component add field {
1635	Rappture::Combobox $inner.field -width 10 -editable no
1636	}
1637	bind $inner.field <<Value>> \
1638	[itcl::code $this AdjustSetting field]
1639
1640	label $inner.colormap_l -text "Colormap" -font "Arial 9"
1641	itk_component add colormap {
1642	Rappture::Combobox $inner.colormap -width 10 -editable no
1643	}
1644	$inner.colormap choices insert end \
1645	"BCGYR" "BCGYR" \
1646	"BGYOR" "BGYOR" \
1647	"blue" "blue" \
1648	"blue-to-brown" "blue-to-brown" \
1649	"blue-to-orange" "blue-to-orange" \
1650	"blue-to-grey" "blue-to-grey" \
1651	"green-to-magenta" "green-to-magenta" \
1652	"greyscale" "greyscale" \
1653	"nanohub" "nanohub" \
1654	"rainbow" "rainbow" \
1655	"spectral" "spectral" \
1656	"ROYGB" "ROYGB" \
1657	"RYGCB" "RYGCB" \
1658	"brown-to-blue" "brown-to-blue" \
1659	"grey-to-blue" "grey-to-blue" \
1660	"orange-to-blue" "orange-to-blue"
1661
1662	$itk_component(colormap) value "BCGYR"
1663	bind $inner.colormap <<Value>> \
1664	[itcl::code $this AdjustSetting colormap]
1665
1666	blt::table $inner \
1667	0,0 $inner.field_l -anchor w -pady 2 \
1668	0,1 $inner.field -anchor w -pady 2 -fill x \
1669	1,0 $inner.colormap_l -anchor w -pady 2 \
1670	1,1 $inner.colormap -anchor w -pady 2 -fill x \
1671	3,0 $inner.background_l -anchor w -pady 2 \
1672	3,1 $inner.background -anchor w -pady 2 -fill x \
1673	5,0 $inner.wireframe -anchor w -pady 2 -cspan 2 \
1674	6,0 $inner.lighting -anchor w -pady 2 -cspan 2 \
1675	7,0 $inner.edges -anchor w -pady 2 -cspan 2 \
1676	8,0 $inner.outline -anchor w -pady 2 -cspan 2 \
1677	9,0 $inner.legend -anchor w -pady 2 \
1678	10,0 $inner.opacity_l -anchor w -pady 2 \
1679	10,1 $inner.opacity -fill x -pady 2 -fill x \
1680
1681	blt::table configure $inner r* c* -resize none
1682	blt::table configure $inner r11 c1 -resize expand
1683	}
1684
1685	itcl::body Rappture::VtkGlyphViewer::BuildAxisTab {} {
1686
1687	set fg [option get $itk_component(hull) font Font]
1688	#set bfg [option get $itk_component(hull) boldFont Font]
1689
1690	set inner [$itk_component(main) insert end \
1691	-title "Axis Settings" \
1692	-icon [Rappture::icon axis2]]
1693	$inner configure -borderwidth 4
1694
1695	checkbutton $inner.visible \
1696	-text "Show Axes" \
1697	-variable [itcl::scope _settings(axesVisible)] \
1698	-command [itcl::code $this AdjustSetting axesVisible] \
1699	-font "Arial 9"
1700
1701	checkbutton $inner.labels \
1702	-text "Show Axis Labels" \
1703	-variable [itcl::scope _settings(axisLabelsVisible)] \
1704	-command [itcl::code $this AdjustSetting axisLabelsVisible] \
1705	-font "Arial 9"
1706
1707	checkbutton $inner.gridx \
1708	-text "Show X Grid" \
1709	-variable [itcl::scope _settings(axisXGrid)] \
1710	-command [itcl::code $this AdjustSetting axisXGrid] \
1711	-font "Arial 9"
1712	checkbutton $inner.gridy \
1713	-text "Show Y Grid" \
1714	-variable [itcl::scope _settings(axisYGrid)] \
1715	-command [itcl::code $this AdjustSetting axisYGrid] \
1716	-font "Arial 9"
1717	checkbutton $inner.gridz \
1718	-text "Show Z Grid" \
1719	-variable [itcl::scope _settings(axisZGrid)] \
1720	-command [itcl::code $this AdjustSetting axisZGrid] \
1721	-font "Arial 9"
1722
1723	label $inner.mode_l -text "Mode" -font "Arial 9"
1724
1725	itk_component add axisMode {
1726	Rappture::Combobox $inner.mode -width 10 -editable no
1727	}
1728	$inner.mode choices insert end \
1729	"static_triad" "static" \
1730	"closest_triad" "closest" \
1731	"furthest_triad" "furthest" \
1732	"outer_edges" "outer"
1733	$itk_component(axisMode) value "static"
1734	bind $inner.mode <<Value>> [itcl::code $this AdjustSetting axisMode]
1735
1736	blt::table $inner \
1737	0,0 $inner.visible -anchor w -cspan 2 \
1738	1,0 $inner.labels -anchor w -cspan 2 \
1739	2,0 $inner.gridx -anchor w -cspan 2 \
1740	3,0 $inner.gridy -anchor w -cspan 2 \
1741	4,0 $inner.gridz -anchor w -cspan 2 \
1742	5,0 $inner.mode_l -anchor w -cspan 2 -padx { 2 0 } \
1743	6,0 $inner.mode -fill x -cspan 2
1744
1745	blt::table configure $inner r* c* -resize none
1746	blt::table configure $inner r7 c1 -resize expand
1747	}
1748
1749
1750	itcl::body Rappture::VtkGlyphViewer::BuildCameraTab {} {
1751	set inner [$itk_component(main) insert end \
1752	-title "Camera Settings" \
1753	-icon [Rappture::icon camera]]
1754	$inner configure -borderwidth 4
1755
1756	label $inner.view_l -text "view" -font "Arial 9"
1757	set f [frame $inner.view]
1758	foreach side { front back left right top bottom } {
1759	button $f.$side -image [Rappture::icon view$side] \
1760	-command [itcl::code $this SetOrientation $side]
1761	Rappture::Tooltip::for $f.$side "Change the view to $side"
1762	pack $f.$side -side left
1763	}
1764
1765	blt::table $inner \
1766	0,0 $inner.view_l -anchor e -pady 2 \
1767	0,1 $inner.view -anchor w -pady 2
1768
1769	set labels { qx qy qz qw xpan ypan zoom }
1770	set row 1
1771	foreach tag $labels {
1772	label $inner.${tag}label -text $tag -font "Arial 9"
1773	entry $inner.${tag} -font "Arial 9" -bg white \
1774	-textvariable [itcl::scope _view($tag)]
1775	bind $inner.${tag} <KeyPress-Return> \
1776	[itcl::code $this camera set ${tag}]
1777	blt::table $inner \
1778	$row,0 $inner.${tag}label -anchor e -pady 2 \
1779	$row,1 $inner.${tag} -anchor w -pady 2
1780	blt::table configure $inner r$row -resize none
1781	incr row
1782	}
1783	checkbutton $inner.ortho \
1784	-text "Orthographic Projection" \
1785	-variable [itcl::scope _view(ortho)] \
1786	-command [itcl::code $this camera set ortho] \
1787	-font "Arial 9"
1788	blt::table $inner \
1789	$row,0 $inner.ortho -cspan 2 -anchor w -pady 2
1790	blt::table configure $inner r$row -resize none
1791	incr row
1792
1793	blt::table configure $inner c* r* -resize none
1794	blt::table configure $inner c2 -resize expand
1795	blt::table configure $inner r$row -resize expand
1796	}
1797
1798	itcl::body Rappture::VtkGlyphViewer::BuildCutplaneTab {} {
1799
1800	set fg [option get $itk_component(hull) font Font]
1801
1802	set inner [$itk_component(main) insert end \
1803	-title "Cutplane Settings" \
1804	-icon [Rappture::icon cutbutton]]
1805
1806	$inner configure -borderwidth 4
1807
1808	checkbutton $inner.visible \
1809	-text "Cutplanes" \
1810	-variable [itcl::scope _settings(cutplaneVisible)] \
1811	-command [itcl::code $this AdjustSetting cutplaneVisible] \
1812	-font "Arial 9"
1813
1814	checkbutton $inner.wireframe \
1815	-text "Wireframe" \
1816	-variable [itcl::scope _settings(cutplaneWireframe)] \
1817	-command [itcl::code $this AdjustSetting cutplaneWireframe] \
1818	-font "Arial 9"
1819
1820	checkbutton $inner.lighting \
1821	-text "Enable Lighting" \
1822	-variable [itcl::scope _settings(cutplaneLighting)] \
1823	-command [itcl::code $this AdjustSetting cutplaneLighting] \
1824	-font "Arial 9"
1825
1826	checkbutton $inner.edges \
1827	-text "Edges" \
1828	-variable [itcl::scope _settings(cutplaneEdges)] \
1829	-command [itcl::code $this AdjustSetting cutplaneEdges] \
1830	-font "Arial 9"
1831
1832	checkbutton $inner.preinterp \
1833	-text "Interpolate Scalars" \
1834	-variable [itcl::scope _settings(cutplanePreinterp)] \
1835	-command [itcl::code $this AdjustSetting cutplanePreinterp] \
1836	-font "Arial 9"
1837
1838	label $inner.opacity_l -text "Opacity" -font "Arial 9"
1839	::scale $inner.opacity -from 0 -to 100 -orient horizontal \
1840	-variable [itcl::scope _settings(cutplaneOpacity)] \
1841	-width 10 \
1842	-showvalue off \
1843	-command [itcl::code $this AdjustSetting cutplaneOpacity]
1844	$inner.opacity set $_settings(cutplaneOpacity)
1845
1846	# X-value slicer...
1847	itk_component add xbutton {
1848	Rappture::PushButton $inner.xbutton \
1849	-onimage [Rappture::icon x-cutplane-red] \
1850	-offimage [Rappture::icon x-cutplane-red] \
1851	-command [itcl::code $this AdjustSetting cutplaneXVisible] \
1852	-variable [itcl::scope _settings(cutplaneXVisible)] \
1853	}
1854	Rappture::Tooltip::for $itk_component(xbutton) \
1855	"Toggle the X-axis cutplane on/off"
1856	$itk_component(xbutton) select
1857	itk_component add xposition {
1858	::scale $inner.xval -from 100 -to 0 \
1859	-width 10 -orient vertical -showvalue yes \
1860	-borderwidth 1 -highlightthickness 0 \
1861	-command [itcl::code $this EventuallySetCutplane x] \
1862	-variable [itcl::scope _settings(cutplaneXPosition)] \
1863	-foreground red2 -font "Arial 9 bold"
1864	} {
1865	usual
1866	ignore -borderwidth -highlightthickness -foreground -font -background
1867	}
1868	# Set the default cutplane value before disabling the scale.
1869	$itk_component(xposition) set 50
1870	$itk_component(xposition) configure -state disabled
1871	Rappture::Tooltip::for $itk_component(xposition) \
1872	"@[itcl::code $this Slice tooltip x]"
1873
1874	# Y-value slicer...
1875	itk_component add ybutton {
1876	Rappture::PushButton $inner.ybutton \
1877	-onimage [Rappture::icon y-cutplane-green] \
1878	-offimage [Rappture::icon y-cutplane-green] \
1879	-command [itcl::code $this AdjustSetting cutplaneYVisible] \
1880	-variable [itcl::scope _settings(cutplaneYVisible)] \
1881	}
1882	Rappture::Tooltip::for $itk_component(ybutton) \
1883	"Toggle the Y-axis cutplane on/off"
1884	$itk_component(ybutton) select
1885
1886	itk_component add yposition {
1887	::scale $inner.yval -from 100 -to 0 \
1888	-width 10 -orient vertical -showvalue yes \
1889	-borderwidth 1 -highlightthickness 0 \
1890	-command [itcl::code $this EventuallySetCutplane y] \
1891	-variable [itcl::scope _settings(cutplaneYPosition)] \
1892	-foreground green3 -font "Arial 9 bold"
1893	} {
1894	usual
1895	ignore -borderwidth -highlightthickness -foreground -font
1896	}
1897	Rappture::Tooltip::for $itk_component(yposition) \
1898	"@[itcl::code $this Slice tooltip y]"
1899	# Set the default cutplane value before disabling the scale.
1900	$itk_component(yposition) set 50
1901	$itk_component(yposition) configure -state disabled
1902
1903	# Z-value slicer...
1904	itk_component add zbutton {
1905	Rappture::PushButton $inner.zbutton \
1906	-onimage [Rappture::icon z-cutplane-blue] \
1907	-offimage [Rappture::icon z-cutplane-blue] \
1908	-command [itcl::code $this AdjustSetting cutplaneZVisible] \
1909	-variable [itcl::scope _settings(cutplaneZVisible)] \
1910	} {
1911	usual
1912	ignore -foreground
1913	}
1914	Rappture::Tooltip::for $itk_component(zbutton) \
1915	"Toggle the Z-axis cutplane on/off"
1916	$itk_component(zbutton) select
1917
1918	itk_component add zposition {
1919	::scale $inner.zval -from 100 -to 0 \
1920	-width 10 -orient vertical -showvalue yes \
1921	-borderwidth 1 -highlightthickness 0 \
1922	-command [itcl::code $this EventuallySetCutplane z] \
1923	-variable [itcl::scope _settings(cutplaneZPosition)] \
1924	-foreground blue3 -font "Arial 9 bold"
1925	} {
1926	usual
1927	ignore -borderwidth -highlightthickness -foreground -font
1928	}
1929	$itk_component(zposition) set 50
1930	$itk_component(zposition) configure -state disabled
1931	Rappture::Tooltip::for $itk_component(zposition) \
1932	"@[itcl::code $this Slice tooltip z]"
1933
1934	blt::table $inner \
1935	0,0 $inner.visible -anchor w -pady 2 -cspan 3 \
1936	1,0 $inner.lighting -anchor w -pady 2 -cspan 3 \
1937	2,0 $inner.wireframe -anchor w -pady 2 -cspan 3 \
1938	3,0 $inner.edges -anchor w -pady 2 -cspan 3 \
1939	4,0 $inner.preinterp -anchor w -pady 2 -cspan 3 \
1940	5,0 $inner.opacity_l -anchor w -pady 2 -cspan 1 \
1941	5,1 $inner.opacity -fill x -pady 2 -cspan 3 \
1942	6,0 $inner.xbutton -anchor w -padx 2 -pady 2 \
1943	7,0 $inner.ybutton -anchor w -padx 2 -pady 2 \
1944	8,0 $inner.zbutton -anchor w -padx 2 -pady 2 \
1945	6,1 $inner.xval -fill y -rspan 4 \
1946	6,2 $inner.yval -fill y -rspan 4 \
1947	6,3 $inner.zval -fill y -rspan 4 \
1948
1949
1950	blt::table configure $inner r* c* -resize none
1951	blt::table configure $inner r9 c4 -resize expand
1952	}
1953
1954
1955
1956	#
1957	# camera --
1958	#
1959	itcl::body Rappture::VtkGlyphViewer::camera {option args} {
1960	switch -- $option {
1961	"show" {
1962	puts [array get _view]
1963	}
1964	"set" {
1965	set who [lindex $args 0]
1966	set x $_view($who)
1967	set code [catch { string is double $x } result]
1968	if { $code != 0 \|\| !$result } {
1969	return
1970	}
1971	switch -- $who {
1972	"ortho" {
1973	if {$_view(ortho)} {
1974	SendCmd "camera mode ortho"
1975	} else {
1976	SendCmd "camera mode persp"
1977	}
1978	}
1979	"xpan" - "ypan" {
1980	PanCamera
1981	}
1982	"qx" - "qy" - "qz" - "qw" {
1983	set q [list $_view(qw) $_view(qx) $_view(qy) $_view(qz)]
1984	$_arcball quaternion $q
1985	EventuallyRotate $q
1986	}
1987	"zoom" {
1988	SendCmd "camera zoom $_view(zoom)"
1989	}
1990	}
1991	}
1992	}
1993	}
1994
1995	itcl::body Rappture::VtkGlyphViewer::GetVtkData { args } {
1996	set bytes ""
1997	foreach dataobj [get] {
1998	foreach cname [$dataobj components] {
1999	set tag $dataobj-$cname
2000	set contents [$dataobj vtkdata $cname]
2001	append bytes "$contents\n"
2002	}
2003	}
2004	return [list .vtk $bytes]
2005	}
2006
2007	itcl::body Rappture::VtkGlyphViewer::GetImage { args } {
2008	if { [image width $_image(download)] > 0 &&
2009	[image height $_image(download)] > 0 } {
2010	set bytes [$_image(download) data -format "jpeg -quality 100"]
2011	set bytes [Rappture::encoding::decode -as b64 $bytes]
2012	return [list .jpg $bytes]
2013	}
2014	return ""
2015	}
2016
2017	itcl::body Rappture::VtkGlyphViewer::BuildDownloadPopup { popup command } {
2018	Rappture::Balloon $popup \
2019	-title "[Rappture::filexfer::label downloadWord] as..."
2020	set inner [$popup component inner]
2021	label $inner.summary -text "" -anchor w
2022	radiobutton $inner.vtk_button -text "VTK data file" \
2023	-variable [itcl::scope _downloadPopup(format)] \
2024	-font "Arial 9 " \
2025	-value vtk
2026	Rappture::Tooltip::for $inner.vtk_button "Save as VTK data file."
2027	radiobutton $inner.image_button -text "Image File" \
2028	-variable [itcl::scope _downloadPopup(format)] \
2029	-font "Arial 9 " \
2030	-value image
2031	Rappture::Tooltip::for $inner.image_button \
2032	"Save as digital image."
2033
2034	button $inner.ok -text "Save" \
2035	-highlightthickness 0 -pady 2 -padx 3 \
2036	-command $command \
2037	-compound left \
2038	-image [Rappture::icon download]
2039
2040	button $inner.cancel -text "Cancel" \
2041	-highlightthickness 0 -pady 2 -padx 3 \
2042	-command [list $popup deactivate] \
2043	-compound left \
2044	-image [Rappture::icon cancel]
2045
2046	blt::table $inner \
2047	0,0 $inner.summary -cspan 2 \
2048	1,0 $inner.vtk_button -anchor w -cspan 2 -padx { 4 0 } \
2049	2,0 $inner.image_button -anchor w -cspan 2 -padx { 4 0 } \
2050	4,1 $inner.cancel -width .9i -fill y \
2051	4,0 $inner.ok -padx 2 -width .9i -fill y
2052	blt::table configure $inner r3 -height 4
2053	blt::table configure $inner r4 -pady 4
2054	raise $inner.image_button
2055	$inner.vtk_button invoke
2056	return $inner
2057	}
2058
2059	itcl::body Rappture::VtkGlyphViewer::SetObjectStyle { dataobj comp } {
2060	# Parse style string.
2061	set tag $dataobj-$comp
2062	array set style {
2063	-color BCGYR
2064	-edges 0
2065	-edgecolor black
2066	-linewidth 1.0
2067	-opacity 1.0
2068	-wireframe 0
2069	-lighting 1
2070	-outline 0
2071	-levels 10
2072	}
2073	array set style [$dataobj style $comp]
2074	if { $dataobj != $_first } {
2075	set style(-opacity) 1
2076	}
2077	if { $_currentColormap == "" } {
2078	set stylelist [$dataobj style $comp]
2079	if { $stylelist != "" } {
2080	array set style $stylelist
2081	set stylelist [array get style]
2082	SetCurrentColormap $stylelist
2083	}
2084	$itk_component(colormap) value $style(-color)
2085	}
2086	if 0 {
2087	SendCmd "cutplane add $tag"
2088	SendCmd "cutplane edges 0 $tag"
2089	SendCmd "cutplane wireframe 0 $tag"
2090	SendCmd "cutplane lighting 1 $tag"
2091	SendCmd "cutplane linewidth 1 $tag"
2092
2093	foreach axis { x y z } {
2094	SendCmd "cutplane slice $axis 0.5 $tag"
2095	SendCmd "cutplane axis $axis 0 $tag"
2096	}
2097	}
2098	# This is too complicated. We want to set the colormap, number of
2099	# glyph and opacity for the dataset. They can be the default values,
2100	# the style hints loaded with the dataset, or set by user controls. As
2101	# datasets get loaded, they first use the defaults that are overidden
2102	# by the style hints. If the user changes the global controls, then that
2103	# overrides everything else. I don't know what it means when global
2104	# controls are specified as style hints by each dataset. It complicates
2105	# the code to handle aberrant cases.
2106
2107	if { $_changed(glyphOpacity) } {
2108	set style(-opacity) $_settings(glyphOpacity)
2109	}
2110	if { $_changed(colormap) } {
2111	set style(-color) $_settings(colormap)
2112	}
2113	if { $_currentColormap == "" } {
2114	$itk_component(colormap) value $style(-color)
2115	}
2116	set _currentOpacity $style(-opacity)
2117	SendCmd "glyphs add arrow $tag"
2118	SendCmd "glyphs edges $style(-edges) $tag"
2119	# normscale=1 and gscale=1 are defaults
2120	#SendCmd "glyphs normscale 1 $tag"
2121	#SendCmd "glyphs gscale 1 $tag"
2122	SendCmd "outline add $tag"
2123	SendCmd "outline color [Color2RGB $itk_option(-plotforeground)] $tag"
2124	SendCmd "outline visible $style(-outline) $tag"
2125	set _settings(glyphOutline) $style(-outline)
2126	set _settings(glyphEdges) $style(-edges)
2127	#SendCmd "glyphs color [Color2RGB $settings(-color)] $tag"
2128	SendCmd "glyphs lighting $style(-lighting) $tag"
2129	set _settings(glyphLighting) $style(-lighting)
2130	SendCmd "glyphs linecolor [Color2RGB $style(-edgecolor)] $tag"
2131	SendCmd "glyphs linewidth $style(-linewidth) $tag"
2132	SendCmd "glyphs opacity $_currentOpacity $tag"
2133	set _settings(glyphOpacity) $style(-opacity)
2134	SetCurrentColormap $style(-color)
2135	SendCmd "glyphs wireframe $style(-wireframe) $tag"
2136	set _settings(glyphWireframe) $style(-wireframe)
2137	set _settings(glyphOpacity) [expr $style(-opacity) * 100.0]
2138	}
2139
2140	itcl::body Rappture::VtkGlyphViewer::IsValidObject { dataobj } {
2141	if {[catch {$dataobj isa Rappture::Field} valid] != 0 \|\| !$valid} {
2142	return 0
2143	}
2144	return 1
2145	}
2146
2147	#
2148	# EnterLegend --
2149	#
2150	itcl::body Rappture::VtkGlyphViewer::EnterLegend { x y } {
2151	SetLegendTip $x $y
2152	}
2153
2154	#
2155	# MotionLegend --
2156	#
2157	itcl::body Rappture::VtkGlyphViewer::MotionLegend { x y } {
2158	Rappture::Tooltip::tooltip cancel
2159	set c $itk_component(view)
2160	set cw [winfo width $c]
2161	set ch [winfo height $c]
2162	if { $x >= 0 && $x < $cw && $y >= 0 && $y < $ch } {
2163	SetLegendTip $x $y
2164	}
2165	}
2166
2167	#
2168	# LeaveLegend --
2169	#
2170	itcl::body Rappture::VtkGlyphViewer::LeaveLegend { } {
2171	Rappture::Tooltip::tooltip cancel
2172	.rappturetooltip configure -icon ""
2173	}
2174
2175	#
2176	# SetLegendTip --
2177	#
2178	itcl::body Rappture::VtkGlyphViewer::SetLegendTip { x y } {
2179	set fname $_curFldName
2180	set c $itk_component(view)
2181	set w [winfo width $c]
2182	set h [winfo height $c]
2183
2184	set font "Arial 8"
2185	set lineht [font metrics $font -linespace]
2186
2187	set ih [image height $_image(legend)]
2188	set iy [expr $y - ($lineht + 2)]
2189
2190	if { [string match "component*" $fname] } {
2191	set title ""
2192	} else {
2193	if { [info exists _fields($fname)] } {
2194	foreach { title units } $_fields($fname) break
2195	if { $units != "" } {
2196	set title [format "%s (%s)" $title $units]
2197	}
2198	} else {
2199	set title $fname
2200	}
2201	}
2202	# If there's a legend title, increase the offset by the line height.
2203	if { $title != "" } {
2204	incr iy -$lineht
2205	}
2206	# Make a swatch of the selected color
2207	if { [catch { $_image(legend) get 10 $iy } pixel] != 0 } {
2208	return
2209	}
2210	if { ![info exists _image(swatch)] } {
2211	set _image(swatch) [image create photo -width 24 -height 24]
2212	}
2213	set color [eval format "\#%02x%02x%02x" $pixel]
2214	$_image(swatch) put black -to 0 0 23 23
2215	$_image(swatch) put $color -to 1 1 22 22
2216	.rappturetooltip configure -icon $_image(swatch)
2217
2218	# Compute the value of the point
2219	if { [info exists _limits($_curFldName)] } {
2220	foreach { vmin vmax } $_limits($_curFldName) break
2221	set t [expr 1.0 - (double($iy) / double($ih-1))]
2222	set value [expr $t * ($vmax - $vmin) + $vmin]
2223	} else {
2224	set value 0.0
2225	}
2226	set tx [expr $x + 15]
2227	set ty [expr $y - 5]
2228	if { [info exists _glyph($y)] } {
2229	Rappture::Tooltip::text $c [format "$title %g (glyph)" $_glyph($y)]
2230	} else {
2231	Rappture::Tooltip::text $c [format "$title %g" $value]
2232	}
2233	Rappture::Tooltip::tooltip show $c +$tx,+$ty
2234	}
2235
2236
2237	# ----------------------------------------------------------------------
2238	# USAGE: Slice move x\|y\|z <newval>
2239	#
2240	# Called automatically when the user drags the slider to move the
2241	# cut plane that slices 3D data. Gets the current value from the
2242	# slider and moves the cut plane to the appropriate point in the
2243	# data set.
2244	# ----------------------------------------------------------------------
2245	itcl::body Rappture::VtkGlyphViewer::Slice {option args} {
2246	switch -- $option {
2247	"move" {
2248	set axis [lindex $args 0]
2249	set a [string toupper $axis]
2250	set oldval $_settings(cutplane${a}Position)
2251	set newval [lindex $args 1]
2252	if {[llength $args] != 2} {
2253	error "wrong # args: should be \"Slice move x\|y\|z newval\""
2254	}
2255	set newpos [expr {0.01*$newval}]
2256	SendCmd "cutplane slice $axis $newpos"
2257	}
2258	"tooltip" {
2259	set axis [lindex $args 0]
2260	set val [$itk_component(${axis}position) get]
2261	return "Move the [string toupper $axis] cut plane.\nCurrently: $axis = $val%"
2262	}
2263	default {
2264	error "bad option \"$option\": should be axis, move, or tooltip"
2265	}
2266	}
2267	}
2268
2269	#
2270	# ReceiveLegend --
2271	#
2272	# Invoked automatically whenever the "legend" command comes in from
2273	# the rendering server. Indicates that binary image data with the
2274	# specified <size> will follow.
2275	#
2276	itcl::body Rappture::VtkGlyphViewer::ReceiveLegend { colormap title min max size } {
2277	#puts stderr "ReceiveLegend colormap=$colormap title=$title range=$min,$max size=$size"
2278	set _title $title
2279	regsub {\(mag\)} $title "" _title
2280	if { [IsConnected] } {
2281	set bytes [ReceiveBytes $size]
2282	if { ![info exists _image(legend)] } {
2283	set _image(legend) [image create photo]
2284	}
2285	$_image(legend) configure -data $bytes
2286	#puts stderr "read $size bytes for [image width $_image(legend)]x[image height $_image(legend)] legend>"
2287	if { [catch {DrawLegend} errs] != 0 } {
2288	global errorInfo
2289	puts stderr "errs=$errs errorInfo=$errorInfo"
2290	}
2291	}
2292	}
2293
2294	#
2295	# DrawLegend --
2296	#
2297	# Draws the legend in the own canvas on the right side of the plot area.
2298	#
2299	itcl::body Rappture::VtkGlyphViewer::DrawLegend {} {
2300	set fname $_curFldName
2301	set c $itk_component(view)
2302	set w [winfo width $c]
2303	set h [winfo height $c]
2304	set font "Arial 8"
2305	set lineht [font metrics $font -linespace]
2306
2307	if { [string match "component*" $fname] } {
2308	set title ""
2309	} else {
2310	if { [info exists _fields($fname)] } {
2311	foreach { title units } $_fields($fname) break
2312	if { $units != "" } {
2313	set title [format "%s (%s)" $title $units]
2314	}
2315	} else {
2316	set title $fname
2317	}
2318	}
2319	set x [expr $w - 2]
2320	if { !$_settings(legendVisible) } {
2321	$c delete legend
2322	return
2323	}
2324	if { [$c find withtag "legend"] == "" } {
2325	set y 2
2326	# If there's a legend title, create a text item for the title.
2327	$c create text $x $y \
2328	-anchor ne \
2329	-fill $itk_option(-plotforeground) -tags "title legend" \
2330	-font $font
2331	incr y $lineht
2332	$c create text $x $y \
2333	-anchor ne \
2334	-fill $itk_option(-plotforeground) -tags "zmax legend" \
2335	-font $font
2336	incr y $lineht
2337	$c create image $x $y \
2338	-anchor ne \
2339	-image $_image(legend) -tags "colormap legend"
2340	$c create rectangle $x $y 1 1 \
2341	-fill "" -outline "" -tags "sensor legend"
2342	$c create text $x [expr {$h-2}] \
2343	-anchor se \
2344	-fill $itk_option(-plotforeground) -tags "zmin legend" \
2345	-font $font
2346	$c bind sensor <Enter> [itcl::code $this EnterLegend %x %y]
2347	$c bind sensor <Leave> [itcl::code $this LeaveLegend]
2348	$c bind sensor <Motion> [itcl::code $this MotionLegend %x %y]
2349	}
2350	$c delete isoline
2351	set x2 $x
2352	set iw [image width $_image(legend)]
2353	set ih [image height $_image(legend)]
2354	set x1 [expr $x2 - ($iw*12)/10]
2355	# Draw the glyph on the legend.
2356	array unset _glyph
2357
2358	$c bind title <ButtonPress> [itcl::code $this Combo post]
2359	$c bind title <Enter> [itcl::code $this Combo activate]
2360	$c bind title <Leave> [itcl::code $this Combo deactivate]
2361	# Reset the item coordinates according the current size of the plot.
2362	$c itemconfigure title -text $title
2363	if { [info exists _limits($_curFldName)] } {
2364	foreach { vmin vmax } $_limits($_curFldName) break
2365	$c itemconfigure zmin -text [format %g $vmin]
2366	$c itemconfigure zmax -text [format %g $vmax]
2367	}
2368	set y 2
2369	# If there's a legend title, move the title to the correct position
2370	if { $title != "" } {
2371	$c itemconfigure title -text $title
2372	$c coords title $x $y
2373	incr y $lineht
2374	$c raise title
2375	}
2376	$c coords zmax $x $y
2377	incr y $lineht
2378	$c coords colormap $x $y
2379	set ix [image width $_image(legend)]
2380	set ih [image height $_image(legend)]
2381	$c coords sensor [expr $x - $iw] $y $x [expr $y + $ih]
2382	$c raise sensor
2383	$c coords zmin $x [expr {$h - 2}]
2384	}
2385
2386	# ----------------------------------------------------------------------
2387	# USAGE: _dropdown post
2388	# USAGE: _dropdown unpost
2389	# USAGE: _dropdown select
2390	#
2391	# Used internally to handle the dropdown list for this combobox. The
2392	# post/unpost options are invoked when the list is posted or unposted
2393	# to manage the relief of the controlling button. The select option
2394	# is invoked whenever there is a selection from the list, to assign
2395	# the value back to the gauge.
2396	# ----------------------------------------------------------------------
2397	itcl::body Rappture::VtkGlyphViewer::Combo {option} {
2398	set c $itk_component(view)
2399	switch -- $option {
2400	post {
2401	foreach { x1 y1 x2 y2 } [$c bbox title] break
2402	set cw [winfo width $itk_component(view)]
2403	set mw [winfo reqwidth $itk_component(fieldmenu)]
2404	set x1 [expr $cw - $mw]
2405	set x [expr $x1 + [winfo rootx $itk_component(view)]]
2406	set y [expr $y2 + [winfo rooty $itk_component(view)]]
2407	tk_popup $itk_component(fieldmenu) $x $y
2408	}
2409	activate {
2410	$c itemconfigure title -fill red
2411	}
2412	deactivate {
2413	$c itemconfigure title -fill $itk_option(-plotforeground)
2414	}
2415	invoke {
2416	$itk_component(field) value $_curFldLabel
2417	AdjustSetting field
2418	}
2419	default {
2420	error "bad option \"$option\": should be post, unpost, select"
2421	}
2422	}
2423	}
2424
2425	#
2426	# SetCurrentColormap --
2427	#
2428	itcl::body Rappture::VtkGlyphViewer::SetCurrentColormap { name } {
2429	# Keep track of the colormaps that we build.
2430	if { ![info exists _colormaps($name)] } {
2431	BuildColormap $name
2432	set _colormaps($name) 1
2433	}
2434	set _currentColormap $name
2435	SendCmd "glyphs colormap $_currentColormap"
2436	}
2437
2438	#
2439	# BuildColormap --
2440	#
2441	# Build the designated colormap on the server.
2442	#
2443	itcl::body Rappture::VtkGlyphViewer::BuildColormap { name } {
2444	set cmap [ColorsToColormap $name]
2445	if { [llength $cmap] == 0 } {
2446	set cmap "0.0 0.0 0.0 0.0 1.0 1.0 1.0 1.0"
2447	}
2448	set wmap "0.0 1.0 1.0 1.0"
2449	SendCmd "colormap add $name { $cmap } { $wmap }"
2450	}
2451
2452	itcl::body Rappture::VtkGlyphViewer::SetOrientation { side } {
2453	array set positions {
2454	front "1 0 0 0"
2455	back "0 0 1 0"
2456	left "0.707107 0 -0.707107 0"
2457	right "0.707107 0 0.707107 0"
2458	top "0.707107 -0.707107 0 0"
2459	bottom "0.707107 0.707107 0 0"
2460	}
2461	foreach name { qw qx qy qz } value $positions($side) {
2462	set _view($name) $value
2463	}
2464	set q [list $_view(qw) $_view(qx) $_view(qy) $_view(qz)]
2465	$_arcball quaternion $q
2466	SendCmd "camera orient $q"
2467	SendCmd "camera reset"
2468	set _view(xpan) 0
2469	set _view(ypan) 0
2470	set _view(zoom) 1.0
2471	}
2472

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