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source: branches/1.6/gui/scripts/vtkglyphviewer.tcl @ 6213

Last change on this file since 6213 was 6213, checked in by ldelgass, 8 years ago
Merge cleanups from trunk (partial hand merge of r6182, not including custom range support in glyph viewer)
File size: 93.3 KB

Line
1	# -- mode: tcl; indent-tabs-mode: nil --
2	# ----------------------------------------------------------------------
3	# COMPONENT: vtkglyphviewer - Vtk 3D glyphs object viewer
4	#
5	# It connects to the Vtkvis server running on a rendering farm,
6	# transmits data, and displays the results.
7	# ======================================================================
8	# AUTHOR: Michael McLennan, Purdue University
9	# Copyright (c) 2004-2016 HUBzero Foundation, LLC
10	#
11	# See the file "license.terms" for information on usage and
12	# redistribution of this file, and for a DISCLAIMER OF ALL WARRANTIES.
13	# ======================================================================
14	package require Itk
15	package require BLT
16	#package require Img
17
18	option add *VtkGlyphViewer.width 4i widgetDefault
19	option add VtkGlyphViewercursor crosshair widgetDefault
20	option add *VtkGlyphViewer.height 4i widgetDefault
21	option add *VtkGlyphViewer.foreground black widgetDefault
22	option add *VtkGlyphViewer.controlBackground gray widgetDefault
23	option add *VtkGlyphViewer.controlDarkBackground #999999 widgetDefault
24	option add *VtkGlyphViewer.plotBackground black widgetDefault
25	option add *VtkGlyphViewer.plotForeground white widgetDefault
26	option add *VtkGlyphViewer.font \
27	--helvetica-medium-r-normal--12-* widgetDefault
28
29	# must use this name -- plugs into Rappture::resources::load
30	proc VtkGlyphViewer_init_resources {} {
31	Rappture::resources::register \
32	vtkvis_server Rappture::VtkGlyphViewer::SetServerList
33	}
34
35	itcl::class Rappture::VtkGlyphViewer {
36	inherit Rappture::VisViewer
37
38	itk_option define -plotforeground plotForeground Foreground ""
39	itk_option define -plotbackground plotBackground Background ""
40
41	constructor { args } {
42	Rappture::VisViewer::constructor
43	} {
44	# defined below
45	}
46	destructor {
47	# defined below
48	}
49	public proc SetServerList { namelist } {
50	Rappture::VisViewer::SetServerList "vtkvis" $namelist
51	}
52	public method add {dataobj {settings ""}}
53	public method camera {option args}
54	public method delete {args}
55	public method disconnect {}
56	public method download {option args}
57	public method get {args}
58	public method isconnected {}
59	public method parameters {title args} {
60	# do nothing
61	}
62	public method scale {args}
63
64	# The following methods are only used by this class.
65	private method AdjustSetting {what {value ""}}
66	private method BuildAxisTab {}
67	private method BuildCameraTab {}
68	private method BuildColormap { name }
69	private method BuildCutplanesTab {}
70	private method BuildDownloadPopup { widget command }
71	private method BuildGlyphTab {}
72	private method Connect {}
73	private method CurrentDatasets {args}
74	private method Disconnect {}
75	private method DoResize {}
76	private method DoRotate {}
77	private method DrawLegend {}
78	private method EnterLegend { x y }
79	private method EventuallyRequestLegend {}
80	private method EventuallyResize { w h }
81	private method EventuallyRotate { q }
82	private method EventuallySetCutplane { axis args }
83	private method GetImage { args }
84	private method GetVtkData { args }
85	private method InitSettings { args }
86	private method IsValidObject { dataobj }
87	private method LeaveLegend {}
88	private method LegendTitleAction { option }
89	private method MotionLegend { x y }
90	private method Pan {option x y}
91	private method PanCamera {}
92	private method Pick {x y}
93	private method QuaternionToView { q } {
94	foreach { _view(-qw) _view(-qx) _view(-qy) _view(-qz) } $q break
95	}
96	private method Rebuild {}
97	private method ReceiveDataset { args }
98	private method ReceiveImage { args }
99	private method ReceiveLegend { colormap title vmin vmax size }
100	private method RequestLegend {}
101	private method Rotate {option x y}
102	private method SetCurrentColormap { color }
103	private method SetCurrentFieldName { dataobj }
104	private method SetLegendTip { x y }
105	private method SetObjectStyle { dataobj comp }
106	private method SetOrientation { side }
107	private method SetupKeyboardBindings {}
108	private method SetupMousePanningBindings {}
109	private method SetupMouseRotationBindings {}
110	private method SetupMouseZoomBindings {}
111	private method Slice {option args}
112	private method ViewToQuaternion {} {
113	return [list $_view(-qw) $_view(-qx) $_view(-qy) $_view(-qz)]
114	}
115	private method Zoom {option}
116
117	private variable _arcball ""
118
119	private variable _dlist ""; # list of data objects
120	private variable _obj2ovride; # maps dataobj => style override
121	private variable _datasets; # contains all the dataobj-component
122	# datasets in the server
123	private variable _colormaps; # contains all the colormaps
124	# in the server.
125	# The name of the current colormap used. The colormap is global to all
126	# heightmaps displayed.
127	private variable _currentColormap ""
128
129	private variable _click; # info used for rotate operations
130	private variable _limits; # autoscale min/max for all axes
131	private variable _view; # view params for 3D view
132	private variable _settings
133	private variable _changed
134	private variable _reset 1; # Connection to server has been reset.
135
136	private variable _first ""; # This is the topmost dataset.
137	private variable _start 0
138	private variable _title ""
139	private variable _widget
140	private variable _width 0
141	private variable _height 0
142	private variable _resizePending 0
143	private variable _legendPending 0
144	private variable _rotatePending 0
145	private variable _cutplanePending 0
146	private variable _field ""
147	private variable _colorMode "vmag"; # Mode of colormap (vmag or scalar)
148	private variable _fields
149	private variable _curFldName ""
150	private variable _curFldLabel ""
151
152	private common _downloadPopup; # download options from popup
153	private common _hardcopy
154	}
155
156	itk::usual VtkGlyphViewer {
157	keep -background -foreground -cursor -font
158	keep -plotbackground -plotforeground
159	}
160
161	# ----------------------------------------------------------------------
162	# CONSTRUCTOR
163	# ----------------------------------------------------------------------
164	itcl::body Rappture::VtkGlyphViewer::constructor {args} {
165	set _serverType "vtkvis"
166
167	#DebugOn
168	EnableWaitDialog 900
169
170	# Rebuild event
171	$_dispatcher register !rebuild
172	$_dispatcher dispatch $this !rebuild "[itcl::code $this Rebuild]; list"
173
174	# Resize event
175	$_dispatcher register !resize
176	$_dispatcher dispatch $this !resize "[itcl::code $this DoResize]; list"
177
178	# Legend event
179	$_dispatcher register !legend
180	$_dispatcher dispatch $this !legend "[itcl::code $this RequestLegend]; list"
181
182	# Rotate event
183	$_dispatcher register !rotate
184	$_dispatcher dispatch $this !rotate "[itcl::code $this DoRotate]; list"
185
186	# X-Cutplane event
187	$_dispatcher register !xcutplane
188	$_dispatcher dispatch $this !xcutplane \
189	"[itcl::code $this AdjustSetting -xcutplaneposition]; list"
190
191	# Y-Cutplane event
192	$_dispatcher register !ycutplane
193	$_dispatcher dispatch $this !ycutplane \
194	"[itcl::code $this AdjustSetting -ycutplaneposition]; list"
195
196	# Z-Cutplane event
197	$_dispatcher register !zcutplane
198	$_dispatcher dispatch $this !zcutplane \
199	"[itcl::code $this AdjustSetting -zcutplaneposition]; list"
200
201	#
202	# Populate parser with commands handle incoming requests
203	#
204	$_parser alias image [itcl::code $this ReceiveImage]
205	$_parser alias legend [itcl::code $this ReceiveLegend]
206	$_parser alias dataset [itcl::code $this ReceiveDataset]
207
208	# Initialize the view to some default parameters.
209	array set _view {
210	-ortho 0
211	-qw 0.853553
212	-qx -0.353553
213	-qy 0.353553
214	-qz 0.146447
215	-xpan 0
216	-ypan 0
217	-zoom 1.0
218	}
219	set _arcball [blt::arcball create 100 100]
220	$_arcball quaternion [ViewToQuaternion]
221
222	array set _settings {
223	-axesvisible 1
224	-axislabels 1
225	-axisminorticks 1
226	-axismode "static"
227	-background black
228	-colormap BCGYR
229	-colormapvisible 1
230	-cutplaneedges 0
231	-cutplanelighting 1
232	-cutplaneopacity 1.0
233	-cutplanepreinterp 1
234	-cutplanesvisible 0
235	-cutplanewireframe 0
236	-field "Default"
237	-glyphedges 0
238	-glyphlighting 1
239	-glyphnormscale 1
240	-glyphopacity 1.0
241	-glyphorient 1
242	-glyphscale 1
243	-glyphscalemode "vmag"
244	-glyphshape "arrow"
245	-glyphsvisible 1
246	-glyphwireframe 0
247	-legendvisible 1
248	-outline 0
249	-xcutplaneposition 50
250	-xcutplanevisible 1
251	-xgrid 0
252	-ycutplaneposition 50
253	-ycutplanevisible 1
254	-ygrid 0
255	-zcutplaneposition 50
256	-zcutplanevisible 1
257	-zgrid 0
258	}
259	array set _changed {
260	-colormap 0
261	-cutplaneedges 0
262	-cutplanelighting 0
263	-cutplaneopacity 0
264	-cutplanepreinterp 0
265	-cutplanesvisible 0
266	-cutplanewireframe 0
267	-glyphedges 0
268	-glyphlighting 0
269	-glyphnormscale 0
270	-glyphopacity 0
271	-glyphorient 0
272	-glyphscale 0
273	-glyphscalemode 0
274	-glyphshape 0
275	-glyphsvisible 0
276	-glyphwireframe 0
277	-outline 0
278	-xcutplaneposition 0
279	-xcutplanevisible 0
280	-ycutplaneposition 0
281	-ycutplanevisible 0
282	-zcutplaneposition 0
283	-zcutplanevisible 0
284	}
285	array set _widget {
286	-cutplaneopacity 100
287	-glyphopacity 100
288	}
289
290	itk_component add view {
291	canvas $itk_component(plotarea).view \
292	-highlightthickness 0 -borderwidth 0
293	} {
294	usual
295	ignore -highlightthickness -borderwidth -background
296	}
297
298	itk_component add fieldmenu {
299	menu $itk_component(plotarea).menu -bg black -fg white -relief flat \
300	-tearoff 0
301	} {
302	usual
303	ignore -background -foreground -relief -tearoff
304	}
305
306	set c $itk_component(view)
307	bind $c <Configure> [itcl::code $this EventuallyResize %w %h]
308	bind $c <Control-F1> [itcl::code $this ToggleConsole]
309
310	# Fix the scrollregion in case we go off screen
311	$c configure -scrollregion [$c bbox all]
312
313	set _map(id) [$c create image 0 0 -anchor nw -image $_image(plot)]
314	set _map(cwidth) -1
315	set _map(cheight) -1
316	set _map(zoom) 1.0
317	set _map(original) ""
318
319	set f [$itk_component(main) component controls]
320	itk_component add reset {
321	button $f.reset -borderwidth 1 -padx 1 -pady 1 \
322	-highlightthickness 0 \
323	-image [Rappture::icon reset-view] \
324	-command [itcl::code $this Zoom reset]
325	} {
326	usual
327	ignore -highlightthickness
328	}
329	pack $itk_component(reset) -side top -padx 2 -pady 2
330	Rappture::Tooltip::for $itk_component(reset) \
331	"Reset the view to the default zoom level"
332
333	itk_component add zoomin {
334	button $f.zin -borderwidth 1 -padx 1 -pady 1 \
335	-highlightthickness 0 \
336	-image [Rappture::icon zoom-in] \
337	-command [itcl::code $this Zoom in]
338	} {
339	usual
340	ignore -highlightthickness
341	}
342	pack $itk_component(zoomin) -side top -padx 2 -pady 2
343	Rappture::Tooltip::for $itk_component(zoomin) "Zoom in"
344
345	itk_component add zoomout {
346	button $f.zout -borderwidth 1 -padx 1 -pady 1 \
347	-highlightthickness 0 \
348	-image [Rappture::icon zoom-out] \
349	-command [itcl::code $this Zoom out]
350	} {
351	usual
352	ignore -highlightthickness
353	}
354	pack $itk_component(zoomout) -side top -padx 2 -pady 2
355	Rappture::Tooltip::for $itk_component(zoomout) "Zoom out"
356
357	itk_component add glyphs {
358	Rappture::PushButton $f.glyphs \
359	-onimage [Rappture::icon volume-on] \
360	-offimage [Rappture::icon volume-off] \
361	-variable [itcl::scope _settings(-glyphsvisible)] \
362	-command [itcl::code $this AdjustSetting -glyphsvisible]
363	}
364	$itk_component(glyphs) select
365	Rappture::Tooltip::for $itk_component(glyphs) \
366	"Hide the glyphs"
367	pack $itk_component(glyphs) -padx 2 -pady 2
368
369	if {0} {
370	itk_component add cutplane {
371	Rappture::PushButton $f.cutplane \
372	-onimage [Rappture::icon cutbutton] \
373	-offimage [Rappture::icon cutbutton] \
374	-variable [itcl::scope _settings(-cutplanesvisible)] \
375	-command [itcl::code $this AdjustSetting -cutplanesvisible]
376	}
377	Rappture::Tooltip::for $itk_component(cutplane) \
378	"Show the cutplanes"
379	pack $itk_component(cutplane) -padx 2 -pady 2
380	}
381
382	if { [catch {
383	BuildGlyphTab
384	#BuildCutplanesTab
385	BuildAxisTab
386	BuildCameraTab
387	} errs] != 0 } {
388	puts stderr errs=$errs
389	}
390
391	# Legend
392	set _image(legend) [image create photo]
393	itk_component add legend {
394	canvas $itk_component(plotarea).legend -width 50 -highlightthickness 0
395	} {
396	usual
397	ignore -highlightthickness
398	rename -background -plotbackground plotBackground Background
399	}
400
401	# Hack around the Tk panewindow. The problem is that the requested
402	# size of the 3d view isn't set until an image is retrieved from
403	# the server. So the panewindow uses the tiny size.
404	set w 10000
405	pack forget $itk_component(view)
406	blt::table $itk_component(plotarea) \
407	0,0 $itk_component(view) -fill both -reqwidth $w
408	blt::table configure $itk_component(plotarea) c1 -resize none
409
410	SetupMouseRotationBindings
411	SetupMousePanningBindings
412	SetupMouseZoomBindings
413	SetupKeyboardBindings
414
415	#bind $itk_component(view) <ButtonRelease-3> \
416	# [itcl::code $this Pick %x %y]
417
418	set _image(download) [image create photo]
419
420	eval itk_initialize $args
421
422	Connect
423	}
424
425	# ----------------------------------------------------------------------
426	# DESTRUCTOR
427	# ----------------------------------------------------------------------
428	itcl::body Rappture::VtkGlyphViewer::destructor {} {
429	Disconnect
430	image delete $_image(plot)
431	image delete $_image(download)
432	catch { blt::arcball destroy $_arcball }
433	}
434
435	itcl::body Rappture::VtkGlyphViewer::SetupMouseRotationBindings {} {
436	# Bindings for rotation via mouse
437	bind $itk_component(view) <ButtonPress-1> \
438	[itcl::code $this Rotate click %x %y]
439	bind $itk_component(view) <B1-Motion> \
440	[itcl::code $this Rotate drag %x %y]
441	bind $itk_component(view) <ButtonRelease-1> \
442	[itcl::code $this Rotate release %x %y]
443	}
444
445	itcl::body Rappture::VtkGlyphViewer::SetupMousePanningBindings {} {
446	# Bindings for panning via mouse
447	bind $itk_component(view) <ButtonPress-2> \
448	[itcl::code $this Pan click %x %y]
449	bind $itk_component(view) <B2-Motion> \
450	[itcl::code $this Pan drag %x %y]
451	bind $itk_component(view) <ButtonRelease-2> \
452	[itcl::code $this Pan release %x %y]
453	}
454
455	itcl::body Rappture::VtkGlyphViewer::SetupMouseZoomBindings {} {
456	if {[string equal "x11" [tk windowingsystem]]} {
457	# Bindings for zoom via mouse
458	bind $itk_component(view) <4> [itcl::code $this Zoom out]
459	bind $itk_component(view) <5> [itcl::code $this Zoom in]
460	}
461	}
462
463	itcl::body Rappture::VtkGlyphViewer::SetupKeyboardBindings {} {
464	# Bindings for panning via keyboard
465	bind $itk_component(view) <KeyPress-Left> \
466	[itcl::code $this Pan set -10 0]
467	bind $itk_component(view) <KeyPress-Right> \
468	[itcl::code $this Pan set 10 0]
469	bind $itk_component(view) <KeyPress-Up> \
470	[itcl::code $this Pan set 0 -10]
471	bind $itk_component(view) <KeyPress-Down> \
472	[itcl::code $this Pan set 0 10]
473	bind $itk_component(view) <Shift-KeyPress-Left> \
474	[itcl::code $this Pan set -2 0]
475	bind $itk_component(view) <Shift-KeyPress-Right> \
476	[itcl::code $this Pan set 2 0]
477	bind $itk_component(view) <Shift-KeyPress-Up> \
478	[itcl::code $this Pan set 0 -2]
479	bind $itk_component(view) <Shift-KeyPress-Down> \
480	[itcl::code $this Pan set 0 2]
481
482	# Bindings for zoom via keyboard
483	bind $itk_component(view) <KeyPress-Prior> \
484	[itcl::code $this Zoom out]
485	bind $itk_component(view) <KeyPress-Next> \
486	[itcl::code $this Zoom in]
487
488	bind $itk_component(view) <Enter> "focus $itk_component(view)"
489	}
490
491	itcl::body Rappture::VtkGlyphViewer::DoResize {} {
492	if { $_width < 2 } {
493	set _width 500
494	}
495	if { $_height < 2 } {
496	set _height 500
497	}
498	set _start [clock clicks -milliseconds]
499	SendCmd "screen size $_width $_height"
500
501	EventuallyRequestLegend
502	set _resizePending 0
503	}
504
505	itcl::body Rappture::VtkGlyphViewer::DoRotate {} {
506	SendCmd "camera orient [ViewToQuaternion]"
507	set _rotatePending 0
508	}
509
510	itcl::body Rappture::VtkGlyphViewer::EventuallyRequestLegend {} {
511	if { !$_legendPending } {
512	set _legendPending 1
513	$_dispatcher event -idle !legend
514	}
515	}
516
517	itcl::body Rappture::VtkGlyphViewer::EventuallyResize { w h } {
518	set _width $w
519	set _height $h
520	$_arcball resize $w $h
521	if { !$_resizePending } {
522	set _resizePending 1
523	$_dispatcher event -after 400 !resize
524	}
525	}
526
527	set rotate_delay 100
528
529	itcl::body Rappture::VtkGlyphViewer::EventuallyRotate { q } {
530	QuaternionToView $q
531	if { !$_rotatePending } {
532	set _rotatePending 1
533	global rotate_delay
534	$_dispatcher event -after $rotate_delay !rotate
535	}
536	}
537
538	itcl::body Rappture::VtkGlyphViewer::EventuallySetCutplane { axis args } {
539	if { !$_cutplanePending } {
540	set _cutplanePending 1
541	$_dispatcher event -after 100 !${axis}cutplane
542	}
543	}
544
545	# ----------------------------------------------------------------------
546	# USAGE: add <dataobj> ?<settings>?
547	#
548	# Clients use this to add a data object to the plot. The optional
549	# <settings> are used to configure the plot. Allowed settings are
550	# -color, -brightness, -width, -linestyle, and -raise.
551	# ----------------------------------------------------------------------
552	itcl::body Rappture::VtkGlyphViewer::add {dataobj {settings ""}} {
553	if { ![$dataobj isvalid] } {
554	return; # Object doesn't contain valid data.
555	}
556	array set params {
557	-color auto
558	-width 1
559	-linestyle solid
560	-brightness 0
561	-raise 0
562	-description ""
563	-param ""
564	-type ""
565	}
566	array set params $settings
567	set params(-description) ""
568	set params(-param) ""
569	array set params $settings
570
571	if {$params(-color) == "auto" \|\| $params(-color) == "autoreset"} {
572	# can't handle -autocolors yet
573	set params(-color) black
574	}
575	set pos [lsearch -exact $_dlist $dataobj]
576	if {$pos < 0} {
577	lappend _dlist $dataobj
578	}
579	set _obj2ovride($dataobj-color) $params(-color)
580	set _obj2ovride($dataobj-width) $params(-width)
581	set _obj2ovride($dataobj-raise) $params(-raise)
582	$_dispatcher event -idle !rebuild
583	}
584
585	# ----------------------------------------------------------------------
586	# USAGE: delete ?<dataobj1> <dataobj2> ...?
587	#
588	# Clients use this to delete a dataobj from the plot. If no dataobjs
589	# are specified, then all dataobjs are deleted. No data objects are
590	# deleted. They are only removed from the display list.
591	# ----------------------------------------------------------------------
592	itcl::body Rappture::VtkGlyphViewer::delete {args} {
593	if { [llength $args] == 0} {
594	set args $_dlist
595	}
596	# Delete all specified dataobjs
597	set changed 0
598	foreach dataobj $args {
599	set pos [lsearch -exact $_dlist $dataobj]
600	if { $pos < 0 } {
601	continue; # Don't know anything about it.
602	}
603	# Remove it from the dataobj list.
604	set _dlist [lreplace $_dlist $pos $pos]
605	array unset _obj2ovride $dataobj-*
606	array unset _settings $dataobj-*
607	set changed 1
608	}
609	# If anything changed, then rebuild the plot
610	if { $changed } {
611	$_dispatcher event -idle !rebuild
612	}
613	}
614
615	# ----------------------------------------------------------------------
616	# USAGE: get ?-objects?
617	# USAGE: get ?-visible?
618	# USAGE: get ?-image view?
619	#
620	# Clients use this to query the list of objects being plotted, in
621	# order from bottom to top of this result. The optional "-image"
622	# flag can also request the internal images being shown.
623	# ----------------------------------------------------------------------
624	itcl::body Rappture::VtkGlyphViewer::get {args} {
625	if {[llength $args] == 0} {
626	set args "-objects"
627	}
628
629	set op [lindex $args 0]
630	switch -- $op {
631	"-objects" {
632	# put the dataobj list in order according to -raise options
633	set dlist {}
634	foreach dataobj $_dlist {
635	if { ![IsValidObject $dataobj] } {
636	continue
637	}
638	if {[info exists _obj2ovride($dataobj-raise)] &&
639	$_obj2ovride($dataobj-raise)} {
640	set dlist [linsert $dlist 0 $dataobj]
641	} else {
642	lappend dlist $dataobj
643	}
644	}
645	return $dlist
646	}
647	"-visible" {
648	set dlist {}
649	foreach dataobj $_dlist {
650	if { ![IsValidObject $dataobj] } {
651	continue
652	}
653	if { ![info exists _obj2ovride($dataobj-raise)] } {
654	# No setting indicates that the object isn't visible.
655	continue
656	}
657	# Otherwise use the -raise parameter to put the object to
658	# the front of the list.
659	if { $_obj2ovride($dataobj-raise) } {
660	set dlist [linsert $dlist 0 $dataobj]
661	} else {
662	lappend dlist $dataobj
663	}
664	}
665	return $dlist
666	}
667	-image {
668	if {[llength $args] != 2} {
669	error "wrong # args: should be \"get -image view\""
670	}
671	switch -- [lindex $args end] {
672	view {
673	return $_image(plot)
674	}
675	default {
676	error "bad image name \"[lindex $args end]\": should be view"
677	}
678	}
679	}
680	default {
681	error "bad option \"$op\": should be -objects or -image"
682	}
683	}
684	}
685
686	# ----------------------------------------------------------------------
687	# USAGE: scale ?<data1> <data2> ...?
688	#
689	# Sets the default limits for the overall plot according to the
690	# limits of the data for all of the given <data> objects. This
691	# accounts for all objects--even those not showing on the screen.
692	# Because of this, the limits are appropriate for all objects as
693	# the user scans through data in the ResultSet viewer.
694	# ----------------------------------------------------------------------
695	itcl::body Rappture::VtkGlyphViewer::scale { args } {
696	foreach dataobj $args {
697	if { ![$dataobj isvalid] } {
698	continue; # Object doesn't contain valid data.
699	}
700	foreach axis { x y z } {
701	set lim [$dataobj limits $axis]
702	if { ![info exists _limits($axis)] } {
703	set _limits($axis) $lim
704	continue
705	}
706	foreach {min max} $lim break
707	foreach {amin amax} $_limits($axis) break
708	if { $amin > $min } {
709	set amin $min
710	}
711	if { $amax < $max } {
712	set amax $max
713	}
714	set _limits($axis) [list $amin $amax]
715	}
716	foreach { fname lim } [$dataobj fieldlimits] {
717	if { ![info exists _limits($fname)] } {
718	set _limits($fname) $lim
719	continue
720	}
721	foreach {min max} $lim break
722	foreach {fmin fmax} $_limits($fname) break
723	if { $fmin > $min } {
724	set fmin $min
725	}
726	if { $fmax < $max } {
727	set fmax $max
728	}
729	set _limits($fname) [list $fmin $fmax]
730	}
731	}
732	}
733
734	# ----------------------------------------------------------------------
735	# USAGE: download coming
736	# USAGE: download controls <downloadCommand>
737	# USAGE: download now
738	#
739	# Clients use this method to create a downloadable representation
740	# of the plot. Returns a list of the form {ext string}, where
741	# "ext" is the file extension (indicating the type of data) and
742	# "string" is the data itself.
743	# ----------------------------------------------------------------------
744	itcl::body Rappture::VtkGlyphViewer::download {option args} {
745	switch $option {
746	coming {
747	if {[catch {
748	blt::winop snap $itk_component(plotarea) $_image(download)
749	}]} {
750	$_image(download) configure -width 1 -height 1
751	$_image(download) put #000000
752	}
753	}
754	controls {
755	set popup .vtkviewerdownload
756	if { ![winfo exists .vtkviewerdownload] } {
757	set inner [BuildDownloadPopup $popup [lindex $args 0]]
758	} else {
759	set inner [$popup component inner]
760	}
761	set _downloadPopup(image_controls) $inner.image_frame
762	set num [llength [get]]
763	set num [expr {($num == 1) ? "1 result" : "$num results"}]
764	set word [Rappture::filexfer::label downloadWord]
765	$inner.summary configure -text "$word $num in the following format:"
766	update idletasks ;# Fix initial sizes
767	return $popup
768	}
769	now {
770	set popup .vtkviewerdownload
771	if {[winfo exists .vtkviewerdownload]} {
772	$popup deactivate
773	}
774	switch -- $_downloadPopup(format) {
775	"image" {
776	return [$this GetImage [lindex $args 0]]
777	}
778	"vtk" {
779	return [$this GetVtkData [lindex $args 0]]
780	}
781	}
782	return ""
783	}
784	default {
785	error "bad option \"$option\": should be coming, controls, now"
786	}
787	}
788	}
789
790	# ----------------------------------------------------------------------
791	# USAGE: Connect ?<host:port>,<host:port>...?
792	#
793	# Clients use this method to establish a connection to a new
794	# server, or to reestablish a connection to the previous server.
795	# Any existing connection is automatically closed.
796	# ----------------------------------------------------------------------
797	itcl::body Rappture::VtkGlyphViewer::Connect {} {
798	set _hosts [GetServerList "vtkvis"]
799	if { "" == $_hosts } {
800	return 0
801	}
802	set _reset 1
803	set result [VisViewer::Connect $_hosts]
804	if { $result } {
805	if { $_reportClientInfo } {
806	# Tell the server the viewer, hub, user and session.
807	# Do this immediately on connect before buffering any commands
808	global env
809
810	set info {}
811	set user "???"
812	if { [info exists env(USER)] } {
813	set user $env(USER)
814	}
815	set session "???"
816	if { [info exists env(SESSION)] } {
817	set session $env(SESSION)
818	}
819	lappend info "version" "$Rappture::version"
820	lappend info "build" "$Rappture::build"
821	lappend info "svnurl" "$Rappture::svnurl"
822	lappend info "installdir" "$Rappture::installdir"
823	lappend info "hub" [exec hostname]
824	lappend info "client" "vtkglyphviewer"
825	lappend info "user" $user
826	lappend info "session" $session
827	SendCmd "clientinfo [list $info]"
828	}
829
830	set w [winfo width $itk_component(view)]
831	set h [winfo height $itk_component(view)]
832	EventuallyResize $w $h
833	}
834	return $result
835	}
836
837	#
838	# isconnected --
839	#
840	# Indicates if we are currently connected to the visualization server.
841	#
842	itcl::body Rappture::VtkGlyphViewer::isconnected {} {
843	return [VisViewer::IsConnected]
844	}
845
846	#
847	# disconnect --
848	#
849	itcl::body Rappture::VtkGlyphViewer::disconnect {} {
850	Disconnect
851	set _reset 1
852	}
853
854	#
855	# Disconnect --
856	#
857	# Clients use this method to disconnect from the current rendering server.
858	#
859	itcl::body Rappture::VtkGlyphViewer::Disconnect {} {
860	VisViewer::Disconnect
861
862	$_dispatcher cancel !rebuild
863	$_dispatcher cancel !resize
864	$_dispatcher cancel !rotate
865	$_dispatcher cancel !xcutplane
866	$_dispatcher cancel !ycutplane
867	$_dispatcher cancel !zcutplane
868	$_dispatcher cancel !legend
869	# disconnected -- no more data sitting on server
870	array unset _datasets
871	array unset _colormaps
872	}
873
874	# ----------------------------------------------------------------------
875	# USAGE: ReceiveImage -bytes <size> -type <type> -token <token>
876	#
877	# Invoked automatically whenever the "image" command comes in from
878	# the rendering server. Indicates that binary image data with the
879	# specified <size> will follow.
880	# ----------------------------------------------------------------------
881	itcl::body Rappture::VtkGlyphViewer::ReceiveImage { args } {
882	array set info {
883	-token "???"
884	-bytes 0
885	-type image
886	}
887	array set info $args
888	set bytes [ReceiveBytes $info(-bytes)]
889	if { $info(-type) == "image" } {
890	if 0 {
891	set f [open "last.ppm" "w"]
892	fconfigure $f -encoding binary
893	puts -nonewline $f $bytes
894	close $f
895	}
896	$_image(plot) configure -data $bytes
897	#set time [clock seconds]
898	#set date [clock format $time]
899	#set w [image width $_image(plot)]
900	#set h [image height $_image(plot)]
901	#puts stderr "$date: received image ${w}x${h} image"
902	if { $_start > 0 } {
903	set finish [clock clicks -milliseconds]
904	#puts stderr "round trip time [expr $finish -$_start] milliseconds"
905	set _start 0
906	}
907	} elseif { $info(type) == "print" } {
908	set tag $this-print-$info(-token)
909	set _hardcopy($tag) $bytes
910	}
911	}
912
913	#
914	# ReceiveDataset --
915	#
916	itcl::body Rappture::VtkGlyphViewer::ReceiveDataset { args } {
917	if { ![isconnected] } {
918	return
919	}
920	set option [lindex $args 0]
921	switch -- $option {
922	"scalar" {
923	set option [lindex $args 1]
924	switch -- $option {
925	"world" {
926	foreach { x y z value tag } [lrange $args 2 end] break
927	}
928	"pixel" {
929	foreach { x y value tag } [lrange $args 2 end] break
930	}
931	}
932	}
933	"vector" {
934	set option [lindex $args 1]
935	switch -- $option {
936	"world" {
937	foreach { x y z vx vy vz tag } [lrange $args 2 end] break
938	}
939	"pixel" {
940	foreach { x y vx vy vz tag } [lrange $args 2 end] break
941	}
942	}
943	}
944	"names" {
945	foreach { name } [lindex $args 1] {
946	#puts stderr "Dataset: $name"
947	}
948	}
949	default {
950	error "unknown dataset option \"$option\" from server"
951	}
952	}
953	}
954
955	# ----------------------------------------------------------------------
956	# USAGE: Rebuild
957	#
958	# Called automatically whenever something changes that affects the
959	# data in the widget. Clears any existing data and rebuilds the
960	# widget to display new data.
961	# ----------------------------------------------------------------------
962	itcl::body Rappture::VtkGlyphViewer::Rebuild {} {
963	set w [winfo width $itk_component(view)]
964	set h [winfo height $itk_component(view)]
965	if { $w < 2 \|\| $h < 2 } {
966	update
967	$_dispatcher event -idle !rebuild
968	return
969	}
970
971	# Turn on buffering of commands to the server. We don't want to
972	# be preempted by a server disconnect/reconnect (which automatically
973	# generates a new call to Rebuild).
974	StartBufferingCommands
975
976	if { $_reset } {
977	set _width $w
978	set _height $h
979	$_arcball resize $w $h
980	DoResize
981
982	# Reset the camera and other view parameters
983	$_arcball quaternion [ViewToQuaternion]
984	InitSettings -ortho
985	DoRotate
986	PanCamera
987	set _first ""
988	InitSettings -background \
989	-xgrid -ygrid -zgrid -axismode \
990	-axesvisible -axislabels -axisminorticks
991	#SendCmd "axis lformat all %g"
992	StopBufferingCommands
993	SendCmd "imgflush"
994	StartBufferingCommands
995	}
996	set _first ""
997	SendCmd "dataset visible 0"
998	eval scale $_dlist
999	foreach dataobj [get -objects] {
1000	if { [info exists _obj2ovride($dataobj-raise)] && $_first == "" } {
1001	set _first $dataobj
1002	SetCurrentFieldName $dataobj
1003	}
1004	foreach comp [$dataobj components] {
1005	set tag $dataobj-$comp
1006	if { ![info exists _datasets($tag)] } {
1007	set bytes [$dataobj vtkdata $comp]
1008	if 0 {
1009	set f [open "/tmp/glyph.vtk" "w"]
1010	fconfigure $f -translation binary -encoding binary
1011	puts -nonewline $f $bytes
1012	close $f
1013	}
1014	set length [string length $bytes]
1015	if { $_reportClientInfo } {
1016	set info {}
1017	lappend info "tool_id" [$dataobj hints toolid]
1018	lappend info "tool_name" [$dataobj hints toolname]
1019	lappend info "tool_title" [$dataobj hints tooltitle]
1020	lappend info "tool_command" [$dataobj hints toolcommand]
1021	lappend info "tool_revision" [$dataobj hints toolrevision]
1022	lappend info "dataset_label" [$dataobj hints label]
1023	lappend info "dataset_size" $length
1024	lappend info "dataset_tag" $tag
1025	SendCmd "clientinfo [list $info]"
1026	}
1027	SendCmd "dataset add $tag data follows $length"
1028	SendData $bytes
1029	set _datasets($tag) 1
1030	SetObjectStyle $dataobj $comp
1031	}
1032	if { [info exists _obj2ovride($dataobj-raise)] } {
1033	SendCmd "glyphs visible 1 $tag"
1034	}
1035	}
1036	}
1037
1038	InitSettings -glyphsvisible -outline
1039	#-cutplanesvisible
1040	if { $_reset } {
1041	# These are settings that rely on a dataset being loaded.
1042	InitSettings \
1043	-field \
1044	-glyphedges -glyphlighting -glyphnormscale -glyphopacity \
1045	-glyphorient -glyphscale -glyphscalemode -glyphshape -glyphwireframe
1046
1047	#-xcutplaneposition -ycutplaneposition -zcutplaneposition \
1048	-xcutplanevisible -ycutplanevisible -zcutplanevisible \
1049	-cutplanepreinterp
1050
1051	Zoom reset
1052	foreach axis { x y z } {
1053	set label ""
1054	if { $_first != "" } {
1055	set label [$_first hints ${axis}label]
1056	}
1057	if { $label == "" } {
1058	set label [string toupper $axis]
1059	}
1060	# There may be a space in the axis label.
1061	SendCmd [list axis name $axis $label]
1062	}
1063	if { [array size _fields] < 2 } {
1064	catch {blt::table forget $itk_component(field) $itk_component(field_l)}
1065	}
1066	set _reset 0
1067	}
1068
1069	# Actually write the commands to the server socket. If it fails, we don't
1070	# care. We're finished here.
1071	blt::busy hold $itk_component(hull)
1072	StopBufferingCommands; # Turn off buffering and send commands.
1073	blt::busy release $itk_component(hull)
1074	}
1075
1076	# ----------------------------------------------------------------------
1077	# USAGE: CurrentDatasets ?-all -visible? ?dataobjs?
1078	#
1079	# Returns a list of server IDs for the current datasets being displayed. This
1080	# is normally a single ID, but it might be a list of IDs if the current data
1081	# object has multiple components.
1082	# ----------------------------------------------------------------------
1083	itcl::body Rappture::VtkGlyphViewer::CurrentDatasets {args} {
1084	set flag [lindex $args 0]
1085	switch -- $flag {
1086	"-all" {
1087	if { [llength $args] > 1 } {
1088	error "CurrentDatasets: can't specify dataobj after \"-all\""
1089	}
1090	set dlist [get -objects]
1091	}
1092	"-visible" {
1093	if { [llength $args] > 1 } {
1094	set dlist {}
1095	set args [lrange $args 1 end]
1096	foreach dataobj $args {
1097	if { [info exists _obj2ovride($dataobj-raise)] } {
1098	lappend dlist $dataobj
1099	}
1100	}
1101	} else {
1102	set dlist [get -visible]
1103	}
1104	}
1105	default {
1106	set dlist $args
1107	}
1108	}
1109	set rlist ""
1110	foreach dataobj $dlist {
1111	foreach comp [$dataobj components] {
1112	set tag $dataobj-$comp
1113	if { [info exists _datasets($tag)] && $_datasets($tag) } {
1114	lappend rlist $tag
1115	}
1116	}
1117	}
1118	return $rlist
1119	}
1120
1121	# ----------------------------------------------------------------------
1122	# USAGE: Zoom in
1123	# USAGE: Zoom out
1124	# USAGE: Zoom reset
1125	#
1126	# Called automatically when the user clicks on one of the zoom
1127	# controls for this widget. Changes the zoom for the current view.
1128	# ----------------------------------------------------------------------
1129	itcl::body Rappture::VtkGlyphViewer::Zoom {option} {
1130	switch -- $option {
1131	"in" {
1132	set _view(-zoom) [expr {$_view(-zoom)*1.25}]
1133	SendCmd "camera zoom $_view(-zoom)"
1134	}
1135	"out" {
1136	set _view(-zoom) [expr {$_view(-zoom)*0.8}]
1137	SendCmd "camera zoom $_view(-zoom)"
1138	}
1139	"reset" {
1140	array set _view {
1141	-qw 0.853553
1142	-qx -0.353553
1143	-qy 0.353553
1144	-qz 0.146447
1145	-xpan 0
1146	-ypan 0
1147	-zoom 1.0
1148	}
1149	if { $_first != "" } {
1150	set location [$_first hints camera]
1151	if { $location != "" } {
1152	array set _view $location
1153	}
1154	}
1155	$_arcball quaternion [ViewToQuaternion]
1156	DoRotate
1157	SendCmd "camera reset"
1158	}
1159	}
1160	}
1161
1162	itcl::body Rappture::VtkGlyphViewer::PanCamera {} {
1163	set x $_view(-xpan)
1164	set y $_view(-ypan)
1165	SendCmd "camera pan $x $y"
1166	}
1167
1168	# ----------------------------------------------------------------------
1169	# USAGE: Rotate click <x> <y>
1170	# USAGE: Rotate drag <x> <y>
1171	# USAGE: Rotate release <x> <y>
1172	#
1173	# Called automatically when the user clicks/drags/releases in the
1174	# plot area. Moves the plot according to the user's actions.
1175	# ----------------------------------------------------------------------
1176	itcl::body Rappture::VtkGlyphViewer::Rotate {option x y} {
1177	switch -- $option {
1178	"click" {
1179	$itk_component(view) configure -cursor fleur
1180	set _click(x) $x
1181	set _click(y) $y
1182	}
1183	"drag" {
1184	if {[array size _click] == 0} {
1185	Rotate click $x $y
1186	} else {
1187	set w [winfo width $itk_component(view)]
1188	set h [winfo height $itk_component(view)]
1189	if {$w <= 0 \|\| $h <= 0} {
1190	return
1191	}
1192
1193	if {[catch {
1194	# this fails sometimes for no apparent reason
1195	set dx [expr {double($x-$_click(x))/$w}]
1196	set dy [expr {double($y-$_click(y))/$h}]
1197	}]} {
1198	return
1199	}
1200	if { $dx == 0 && $dy == 0 } {
1201	return
1202	}
1203	set q [$_arcball rotate $x $y $_click(x) $_click(y)]
1204	EventuallyRotate $q
1205	set _click(x) $x
1206	set _click(y) $y
1207	}
1208	}
1209	"release" {
1210	Rotate drag $x $y
1211	$itk_component(view) configure -cursor ""
1212	catch {unset _click}
1213	}
1214	default {
1215	error "bad option \"$option\": should be click, drag, release"
1216	}
1217	}
1218	}
1219
1220	itcl::body Rappture::VtkGlyphViewer::Pick {x y} {
1221	foreach tag [CurrentDatasets -visible] {
1222	SendCmd "dataset getscalar pixel $x $y $tag"
1223	}
1224	}
1225
1226	# ----------------------------------------------------------------------
1227	# USAGE: $this Pan click x y
1228	# $this Pan drag x y
1229	# $this Pan release x y
1230	#
1231	# Called automatically when the user clicks on one of the zoom
1232	# controls for this widget. Changes the zoom for the current view.
1233	# ----------------------------------------------------------------------
1234	itcl::body Rappture::VtkGlyphViewer::Pan {option x y} {
1235	switch -- $option {
1236	"set" {
1237	set w [winfo width $itk_component(view)]
1238	set h [winfo height $itk_component(view)]
1239	set x [expr $x / double($w)]
1240	set y [expr $y / double($h)]
1241	set _view(-xpan) [expr $_view(-xpan) + $x]
1242	set _view(-ypan) [expr $_view(-ypan) + $y]
1243	PanCamera
1244	return
1245	}
1246	"click" {
1247	set _click(x) $x
1248	set _click(y) $y
1249	$itk_component(view) configure -cursor hand1
1250	}
1251	"drag" {
1252	if { ![info exists _click(x)] } {
1253	set _click(x) $x
1254	}
1255	if { ![info exists _click(y)] } {
1256	set _click(y) $y
1257	}
1258	set w [winfo width $itk_component(view)]
1259	set h [winfo height $itk_component(view)]
1260	set dx [expr ($_click(x) - $x)/double($w)]
1261	set dy [expr ($_click(y) - $y)/double($h)]
1262	set _click(x) $x
1263	set _click(y) $y
1264	set _view(-xpan) [expr $_view(-xpan) - $dx]
1265	set _view(-ypan) [expr $_view(-ypan) - $dy]
1266	PanCamera
1267	}
1268	"release" {
1269	Pan drag $x $y
1270	$itk_component(view) configure -cursor ""
1271	}
1272	default {
1273	error "unknown option \"$option\": should set, click, drag, or release"
1274	}
1275	}
1276	}
1277
1278	# ----------------------------------------------------------------------
1279	# USAGE: InitSettings <what> ?<value>?
1280	#
1281	# Used internally to update rendering settings whenever parameters
1282	# change in the popup settings panel. Sends the new settings off
1283	# to the back end.
1284	# ----------------------------------------------------------------------
1285	itcl::body Rappture::VtkGlyphViewer::InitSettings { args } {
1286	foreach spec $args {
1287	if { [info exists _settings($_first${spec})] } {
1288	# Reset global setting with dataobj specific setting
1289	set _settings($spec) $_settings($_first${spec})
1290	}
1291	AdjustSetting $spec
1292	}
1293	}
1294
1295	#
1296	# AdjustSetting --
1297	#
1298	# Changes/updates a specific setting in the widget. There are
1299	# usually user-setable option. Commands are sent to the render
1300	# server.
1301	#
1302	itcl::body Rappture::VtkGlyphViewer::AdjustSetting {what {value ""}} {
1303	DebugTrace "Enter"
1304	if { ![isconnected] } {
1305	DebugTrace "Not connected"
1306	return
1307	}
1308	switch -- $what {
1309	"-axesvisible" {
1310	set bool $_settings($what)
1311	SendCmd "axis visible all $bool"
1312	}
1313	"-axislabels" {
1314	set bool $_settings($what)
1315	SendCmd "axis labels all $bool"
1316	}
1317	"-axisminorticks" {
1318	set bool $_settings($what)
1319	SendCmd "axis minticks all $bool"
1320	}
1321	"-axismode" {
1322	set mode [$itk_component(axisMode) value]
1323	set mode [$itk_component(axisMode) translate $mode]
1324	set _settings($what) $mode
1325	SendCmd "axis flymode $mode"
1326	}
1327	"-background" {
1328	set bgcolor [$itk_component(background) value]
1329	array set fgcolors {
1330	"black" "white"
1331	"white" "black"
1332	"grey" "black"
1333	}
1334	configure -plotbackground $bgcolor \
1335	-plotforeground $fgcolors($bgcolor)
1336	$itk_component(view) delete "legend"
1337	DrawLegend
1338	}
1339	"-colormap" {
1340	set _changed($what) 1
1341	StartBufferingCommands
1342	set color [$itk_component(colormap) value]
1343	set _settings($what) $color
1344	if { $color == "none" } {
1345	if { $_settings(-colormapvisible) } {
1346	SendCmd "glyphs colormode constant {}"
1347	set _settings(-colormapvisible) 0
1348	}
1349	} else {
1350	if { !$_settings(-colormapvisible) } {
1351	SendCmd "glyphs colormode $_colorMode $_curFldName"
1352	set _settings(-colormapvisible) 1
1353	}
1354	SetCurrentColormap $color
1355	}
1356	StopBufferingCommands
1357	EventuallyRequestLegend
1358	}
1359	"-cutplaneedges" {
1360	set _changed($what) 1
1361	set bool $_settings($what)
1362	SendCmd "cutplane edges $bool"
1363	}
1364	"-cutplanelighting" {
1365	set _changed($what) 1
1366	set bool $_settings($what)
1367	SendCmd "cutplane lighting $bool"
1368	}
1369	"-cutplaneopacity" {
1370	set _changed($what) 1
1371	set _settings($what) [expr $_widget($what) * 0.01]
1372	SendCmd "cutplane opacity $_settings($what)"
1373	}
1374	"-cutplanepreinterp" {
1375	set _changed($what) 1
1376	set bool $_settings($what)
1377	SendCmd "cutplane preinterp $bool"
1378	}
1379	"-cutplanesvisible" {
1380	set _changed($what) 1
1381	set bool $_settings($what)
1382	SendCmd "cutplane visible 0"
1383	if { $bool } {
1384	foreach tag [CurrentDatasets -visible] {
1385	SendCmd "cutplane visible $bool $tag"
1386	}
1387	}
1388	if { $bool } {
1389	Rappture::Tooltip::for $itk_component(cutplane) \
1390	"Hide the cutplanes"
1391	} else {
1392	Rappture::Tooltip::for $itk_component(cutplane) \
1393	"Show the cutplanes"
1394	}
1395	}
1396	"-cutplanewireframe" {
1397	set _changed($what) 1
1398	set bool $_settings($what)
1399	SendCmd "cutplane wireframe $bool"
1400	}
1401	"-field" {
1402	set label [$itk_component(field) value]
1403	set fname [$itk_component(field) translate $label]
1404	set _settings($what) $fname
1405	if { [info exists _fields($fname)] } {
1406	foreach { label units components } $_fields($fname) break
1407	if { $components > 1 } {
1408	set _colorMode vmag
1409	} else {
1410	set _colorMode scalar
1411	}
1412	set _curFldName $fname
1413	set _curFldLabel $label
1414	} else {
1415	puts stderr "unknown field \"$fname\""
1416	return
1417	}
1418	#if { ![info exists _limits($_curFldName)] } {
1419	# SendCmd "dataset maprange all"
1420	#} else {
1421	# SendCmd "dataset maprange explicit $_limits($_curFldName) $_curFldName"
1422	#}
1423	#SendCmd "cutplane colormode $_colorMode $_curFldName"
1424	SendCmd "glyphs colormode $_colorMode $_curFldName"
1425	DrawLegend
1426	}
1427	"-glyphedges" {
1428	set _changed($what) 1
1429	set bool $_settings($what)
1430	SendCmd "glyphs edges $bool"
1431	}
1432	"-glyphlighting" {
1433	set _changed($what) 1
1434	set bool $_settings($what)
1435	SendCmd "glyphs lighting $bool"
1436	}
1437	"-glyphnormscale" {
1438	set _changed($what) 1
1439	set bool $_settings($what)
1440	SendCmd "glyphs normscale $bool"
1441	}
1442	"-glyphopacity" {
1443	set _changed($what) 1
1444	set _settings($what) [expr $_widget($what) * 0.01]
1445	SendCmd "glyphs opacity $_settings($what)"
1446	}
1447	"-glyphorient" {
1448	set _changed($what) 1
1449	set bool $_settings($what)
1450	SendCmd "glyphs gorient $bool {}"
1451	}
1452	"-glyphscale" {
1453	set _changed($what) 1
1454	set val $_settings($what)
1455	if { [string is double $val] } {
1456	SendCmd "glyphs gscale $val"
1457	}
1458	}
1459	"-glyphscalemode" {
1460	set _changed($what) 1
1461	set label [$itk_component(scaleMode) value]
1462	set mode [$itk_component(scaleMode) translate $label]
1463	set _settings($what) $mode
1464	SendCmd "glyphs smode $mode {}"
1465	}
1466	"-glyphshape" {
1467	set _changed($what) 1
1468	set label [$itk_component(gshape) value]
1469	set shape [$itk_component(gshape) translate $label]
1470	set _settings($what) $shape
1471	SendCmd "glyphs shape $shape"
1472	}
1473	"-glyphsvisible" {
1474	set _changed($what) 1
1475	set bool $_settings($what)
1476	SendCmd "glyphs visible 0"
1477	if { $bool } {
1478	foreach tag [CurrentDatasets -visible] {
1479	SendCmd "glyphs visible $bool $tag"
1480	}
1481	Rappture::Tooltip::for $itk_component(glyphs) \
1482	"Hide the glyphs"
1483	} else {
1484	Rappture::Tooltip::for $itk_component(glyphs) \
1485	"Show the glyphs"
1486	}
1487	DrawLegend
1488	}
1489	"-glyphwireframe" {
1490	set _changed($what) 1
1491	set bool $_settings($what)
1492	SendCmd "glyphs wireframe $bool"
1493	}
1494	"-legendvisible" {
1495	if { !$_settings($what) } {
1496	$itk_component(view) delete legend
1497	}
1498	DrawLegend
1499	}
1500	"-ortho" {
1501	set bool $_view($what)
1502	if { $bool } {
1503	SendCmd "camera mode ortho"
1504	} else {
1505	SendCmd "camera mode persp"
1506	}
1507	}
1508	"-outline" {
1509	set _changed($what) 1
1510	set bool $_settings($what)
1511	SendCmd "outline visible 0"
1512	if { $bool } {
1513	foreach tag [CurrentDatasets -visible] {
1514	SendCmd "outline visible $bool $tag"
1515	}
1516	}
1517	}
1518	"-xcutplanevisible" - "-ycutplanevisible" - "-zcutplanevisible" {
1519	set _changed($what) 1
1520	set axis [string tolower [string range $what 1 1]]
1521	set bool $_settings($what)
1522	if { $bool } {
1523	$itk_component(${axis}position) configure -state normal \
1524	-troughcolor white
1525	} else {
1526	$itk_component(${axis}position) configure -state disabled \
1527	-troughcolor grey82
1528	}
1529	SendCmd "cutplane axis $axis $bool"
1530	}
1531	"-xcutplaneposition" - "-ycutplaneposition" - "-zcutplaneposition" {
1532	set _changed($what) 1
1533	set axis [string tolower [string range $what 1 1]]
1534	set pos [expr $_settings($what) * 0.01]
1535	SendCmd "cutplane slice ${axis} ${pos}"
1536	set _cutplanePending 0
1537	}
1538	"-xgrid" - "-ygrid" - "-zgrid" {
1539	set axis [string tolower [string range $what 1 1]]
1540	set bool $_settings($what)
1541	SendCmd "axis grid $axis $bool"
1542	}
1543	default {
1544	error "don't know how to fix $what"
1545	}
1546	}
1547	}
1548
1549	#
1550	# RequestLegend --
1551	#
1552	# Request a new legend from the server. The size of the legend
1553	# is determined from the height of the canvas.
1554	#
1555	# This should be called when
1556	# 1. A new current colormap is set.
1557	# 2. Window is resized.
1558	# 3. The limits of the data have changed. (Just need a redraw).
1559	# 4. Legend becomes visible (Just need a redraw).
1560	#
1561	itcl::body Rappture::VtkGlyphViewer::RequestLegend {} {
1562	set _legendPending 0
1563	if { ![info exists _fields($_curFldName)] } {
1564	return
1565	}
1566	set fname $_curFldName
1567	set font "Arial 8"
1568	set lineht [font metrics $font -linespace]
1569	set w 12
1570	set h [expr {$_height - 2 * ($lineht + 2)}]
1571	if { $h < 1 } {
1572	return
1573	}
1574	if { [string match "component*" $fname] } {
1575	set title ""
1576	} else {
1577	if { [info exists _fields($fname)] } {
1578	foreach { title units } $_fields($fname) break
1579	if { $units != "" } {
1580	set title [format "%s (%s)" $title $units]
1581	}
1582	} else {
1583	set title $fname
1584	}
1585	}
1586	# If there's a title too, subtract one more line
1587	if { $title != "" } {
1588	incr h -$lineht
1589	}
1590	# Set the legend on the first dataset.
1591	if { $_currentColormap != "" } {
1592	set cmap $_currentColormap
1593	if { ![info exists _colormaps($cmap)] } {
1594	BuildColormap $cmap
1595	set _colormaps($cmap) 1
1596	}
1597	#SendCmd "legend $cmap $_colorMode $_curFldName {} $w $h 0"
1598	SendCmd "legend2 $cmap $w $h"
1599	}
1600	}
1601
1602	# ----------------------------------------------------------------------
1603	# CONFIGURATION OPTION: -plotbackground
1604	# ----------------------------------------------------------------------
1605	itcl::configbody Rappture::VtkGlyphViewer::plotbackground {
1606	if { [isconnected] } {
1607	set rgb [Color2RGB $itk_option(-plotbackground)]
1608	SendCmd "screen bgcolor $rgb"
1609	}
1610	}
1611
1612	# ----------------------------------------------------------------------
1613	# CONFIGURATION OPTION: -plotforeground
1614	# ----------------------------------------------------------------------
1615	itcl::configbody Rappture::VtkGlyphViewer::plotforeground {
1616	if { [isconnected] } {
1617	set rgb [Color2RGB $itk_option(-plotforeground)]
1618	SendCmd "axis color all $rgb"
1619	SendCmd "outline color $rgb"
1620	#SendCmd "cutplane color $rgb"
1621	}
1622	}
1623
1624	itcl::body Rappture::VtkGlyphViewer::BuildGlyphTab {} {
1625	set fg [option get $itk_component(hull) font Font]
1626	#set bfg [option get $itk_component(hull) boldFont Font]
1627
1628	set inner [$itk_component(main) insert end \
1629	-title "Glyph Settings" \
1630	-icon [Rappture::icon volume-on]]
1631	$inner configure -borderwidth 4
1632
1633	checkbutton $inner.glyphs \
1634	-text "Glyphs" \
1635	-variable [itcl::scope _settings(-glyphsvisible)] \
1636	-command [itcl::code $this AdjustSetting -glyphsvisible] \
1637	-font "Arial 9"
1638
1639	label $inner.gshape_l -text "Glyph shape" -font "Arial 9"
1640	itk_component add gshape {
1641	Rappture::Combobox $inner.gshape -width 10 -editable 0
1642	}
1643	$inner.gshape choices insert end \
1644	"arrow" "arrow" \
1645	"cone" "cone" \
1646	"cube" "cube" \
1647	"cylinder" "cylinder" \
1648	"dodecahedron" "dodecahedron" \
1649	"icosahedron" "icosahedron" \
1650	"line" "line" \
1651	"octahedron" "octahedron" \
1652	"point" "point" \
1653	"sphere" "sphere" \
1654	"tetrahedron" "tetrahedron"
1655
1656	$itk_component(gshape) value $_settings(-glyphshape)
1657	bind $inner.gshape <<Value>> [itcl::code $this AdjustSetting -glyphshape]
1658
1659	label $inner.scaleMode_l -text "Scale by" -font "Arial 9"
1660	itk_component add scaleMode {
1661	Rappture::Combobox $inner.scaleMode -width 10 -editable 0
1662	}
1663	$inner.scaleMode choices insert end \
1664	"scalar" "Scalar" \
1665	"vmag" "Vector magnitude" \
1666	"vcomp" "Vector components" \
1667	"off" "Constant size"
1668
1669	$itk_component(scaleMode) value "[$itk_component(scaleMode) label $_settings(-glyphscalemode)]"
1670	bind $inner.scaleMode <<Value>> [itcl::code $this AdjustSetting -glyphscalemode]
1671
1672	checkbutton $inner.normscale \
1673	-text "Normalize scaling" \
1674	-variable [itcl::scope _settings(-glyphnormscale)] \
1675	-command [itcl::code $this AdjustSetting -glyphnormscale] \
1676	-font "Arial 9"
1677	Rappture::Tooltip::for $inner.normscale "If enabled, field values are normalized to \[0,1\] before scaling and scale factor is relative to a default size"
1678
1679	checkbutton $inner.gorient \
1680	-text "Orient" \
1681	-variable [itcl::scope _settings(-glyphorient)] \
1682	-command [itcl::code $this AdjustSetting -glyphorient] \
1683	-font "Arial 9"
1684	Rappture::Tooltip::for $inner.gorient "Orient glyphs by vector field directions"
1685
1686	checkbutton $inner.wireframe \
1687	-text "Wireframe" \
1688	-variable [itcl::scope _settings(-glyphwireframe)] \
1689	-command [itcl::code $this AdjustSetting -glyphwireframe] \
1690	-font "Arial 9"
1691
1692	checkbutton $inner.lighting \
1693	-text "Enable Lighting" \
1694	-variable [itcl::scope _settings(-glyphlighting)] \
1695	-command [itcl::code $this AdjustSetting -glyphlighting] \
1696	-font "Arial 9"
1697
1698	checkbutton $inner.edges \
1699	-text "Edges" \
1700	-variable [itcl::scope _settings(-glyphedges)] \
1701	-command [itcl::code $this AdjustSetting -glyphedges] \
1702	-font "Arial 9"
1703
1704	checkbutton $inner.outline \
1705	-text "Outline" \
1706	-variable [itcl::scope _settings(-outline)] \
1707	-command [itcl::code $this AdjustSetting -outline] \
1708	-font "Arial 9"
1709
1710	checkbutton $inner.legend \
1711	-text "Legend" \
1712	-variable [itcl::scope _settings(-legendvisible)] \
1713	-command [itcl::code $this AdjustSetting -legendvisible] \
1714	-font "Arial 9"
1715
1716	label $inner.background_l -text "Background" -font "Arial 9"
1717	itk_component add background {
1718	Rappture::Combobox $inner.background -width 10 -editable 0
1719	}
1720	$inner.background choices insert end \
1721	"black" "black" \
1722	"white" "white" \
1723	"grey" "grey"
1724
1725	$itk_component(background) value $_settings(-background)
1726	bind $inner.background <<Value>> \
1727	[itcl::code $this AdjustSetting -background]
1728
1729	label $inner.opacity_l -text "Opacity" -font "Arial 9"
1730	::scale $inner.opacity -from 0 -to 100 -orient horizontal \
1731	-variable [itcl::scope _widget(-glyphopacity)] \
1732	-width 10 \
1733	-showvalue off \
1734	-command [itcl::code $this AdjustSetting -glyphopacity]
1735	$inner.opacity set [expr $_settings(-glyphopacity) * 100.0]
1736
1737	label $inner.gscale_l -text "Scale factor" -font "Arial 9"
1738	if {0} {
1739	::scale $inner.gscale -from 1 -to 100 -orient horizontal \
1740	-variable [itcl::scope _settings(-glyphscale)] \
1741	-width 10 \
1742	-showvalue off \
1743	-command [itcl::code $this AdjustSetting -glyphscale]
1744	} else {
1745	itk_component add gscale {
1746	entry $inner.gscale -font "Arial 9" -bg white \
1747	-textvariable [itcl::scope _settings(-glyphscale)]
1748	} {
1749	ignore -font -background
1750	}
1751	bind $inner.gscale <Return> \
1752	[itcl::code $this AdjustSetting -glyphscale]
1753	bind $inner.gscale <KP_Enter> \
1754	[itcl::code $this AdjustSetting -glyphscale]
1755	}
1756	Rappture::Tooltip::for $inner.gscale "Set scaling multiplier (or constant size)"
1757
1758	itk_component add field_l {
1759	label $inner.field_l -text "Color By" -font "Arial 9"
1760	} {
1761	ignore -font
1762	}
1763	itk_component add field {
1764	Rappture::Combobox $inner.field -width 10 -editable 0
1765	}
1766	bind $inner.field <<Value>> \
1767	[itcl::code $this AdjustSetting -field]
1768
1769	label $inner.colormap_l -text "Colormap" -font "Arial 9"
1770	itk_component add colormap {
1771	Rappture::Combobox $inner.colormap -width 10 -editable 0
1772	}
1773
1774	$inner.colormap choices insert end [GetColormapList -includeNone]
1775	$itk_component(colormap) value "BCGYR"
1776	bind $inner.colormap <<Value>> \
1777	[itcl::code $this AdjustSetting -colormap]
1778
1779	blt::table $inner \
1780	0,0 $inner.field_l -anchor w -pady 2 \
1781	0,1 $inner.field -anchor w -pady 2 -fill x \
1782	1,0 $inner.colormap_l -anchor w -pady 2 \
1783	1,1 $inner.colormap -anchor w -pady 2 -fill x \
1784	2,0 $inner.gshape_l -anchor w -pady 2 \
1785	2,1 $inner.gshape -anchor w -pady 2 -fill x \
1786	3,0 $inner.background_l -anchor w -pady 2 \
1787	3,1 $inner.background -anchor w -pady 2 -fill x \
1788	4,0 $inner.scaleMode_l -anchor w -pady 2 \
1789	4,1 $inner.scaleMode -anchor w -pady 2 -fill x \
1790	5,0 $inner.gscale_l -anchor w -pady 2 \
1791	5,1 $inner.gscale -anchor w -pady 2 -fill x \
1792	6,0 $inner.normscale -anchor w -pady 2 -cspan 2 \
1793	7,0 $inner.gorient -anchor w -pady 2 -cspan 2 \
1794	8,0 $inner.wireframe -anchor w -pady 2 -cspan 2 \
1795	9,0 $inner.lighting -anchor w -pady 2 -cspan 2 \
1796	10,0 $inner.edges -anchor w -pady 2 -cspan 2 \
1797	11,0 $inner.outline -anchor w -pady 2 -cspan 2 \
1798	12,0 $inner.legend -anchor w -pady 2 \
1799	13,0 $inner.opacity_l -anchor w -pady 2 \
1800	13,1 $inner.opacity -anchor w -pady 2 -fill x
1801
1802	blt::table configure $inner r* c* -resize none
1803	blt::table configure $inner r14 c1 -resize expand
1804	}
1805
1806	itcl::body Rappture::VtkGlyphViewer::BuildAxisTab {} {
1807
1808	set fg [option get $itk_component(hull) font Font]
1809	#set bfg [option get $itk_component(hull) boldFont Font]
1810
1811	set inner [$itk_component(main) insert end \
1812	-title "Axis Settings" \
1813	-icon [Rappture::icon axis2]]
1814	$inner configure -borderwidth 4
1815
1816	checkbutton $inner.visible \
1817	-text "Axes" \
1818	-variable [itcl::scope _settings(-axesvisible)] \
1819	-command [itcl::code $this AdjustSetting -axesvisible] \
1820	-font "Arial 9"
1821
1822	checkbutton $inner.labels \
1823	-text "Axis Labels" \
1824	-variable [itcl::scope _settings(-axislabels)] \
1825	-command [itcl::code $this AdjustSetting -axislabels] \
1826	-font "Arial 9"
1827	label $inner.grid_l -text "Grid" -font "Arial 9"
1828	checkbutton $inner.xgrid \
1829	-text "X" \
1830	-variable [itcl::scope _settings(-xgrid)] \
1831	-command [itcl::code $this AdjustSetting -xgrid] \
1832	-font "Arial 9"
1833	checkbutton $inner.ygrid \
1834	-text "Y" \
1835	-variable [itcl::scope _settings(-ygrid)] \
1836	-command [itcl::code $this AdjustSetting -ygrid] \
1837	-font "Arial 9"
1838	checkbutton $inner.zgrid \
1839	-text "Z" \
1840	-variable [itcl::scope _settings(-zgrid)] \
1841	-command [itcl::code $this AdjustSetting -zgrid] \
1842	-font "Arial 9"
1843	checkbutton $inner.minorticks \
1844	-text "Minor Ticks" \
1845	-variable [itcl::scope _settings(-axisminorticks)] \
1846	-command [itcl::code $this AdjustSetting -axisminorticks] \
1847	-font "Arial 9"
1848
1849	label $inner.mode_l -text "Mode" -font "Arial 9"
1850
1851	itk_component add axisMode {
1852	Rappture::Combobox $inner.mode -width 10 -editable 0
1853	}
1854	$inner.mode choices insert end \
1855	"static_triad" "static" \
1856	"closest_triad" "closest" \
1857	"furthest_triad" "farthest" \
1858	"outer_edges" "outer"
1859	$itk_component(axisMode) value $_settings(-axismode)
1860	bind $inner.mode <<Value>> [itcl::code $this AdjustSetting -axismode]
1861
1862	blt::table $inner \
1863	0,0 $inner.visible -anchor w -cspan 4 \
1864	1,0 $inner.labels -anchor w -cspan 4 \
1865	2,0 $inner.minorticks -anchor w -cspan 4 \
1866	4,0 $inner.grid_l -anchor w \
1867	4,1 $inner.xgrid -anchor w \
1868	4,2 $inner.ygrid -anchor w \
1869	4,3 $inner.zgrid -anchor w \
1870	5,0 $inner.mode_l -anchor w -padx { 2 0 } \
1871	5,1 $inner.mode -fill x -cspan 3
1872
1873	blt::table configure $inner r* c* -resize none
1874	blt::table configure $inner r7 c6 -resize expand
1875	blt::table configure $inner r3 -height 0.125i
1876	}
1877
1878	itcl::body Rappture::VtkGlyphViewer::BuildCameraTab {} {
1879	set inner [$itk_component(main) insert end \
1880	-title "Camera Settings" \
1881	-icon [Rappture::icon camera]]
1882	$inner configure -borderwidth 4
1883
1884	label $inner.view_l -text "view" -font "Arial 9"
1885	set f [frame $inner.view]
1886	foreach side { front back left right top bottom } {
1887	button $f.$side -image [Rappture::icon view$side] \
1888	-command [itcl::code $this SetOrientation $side]
1889	Rappture::Tooltip::for $f.$side "Change the view to $side"
1890	pack $f.$side -side left
1891	}
1892
1893	blt::table $inner \
1894	0,0 $inner.view_l -anchor e -pady 2 \
1895	0,1 $inner.view -anchor w -pady 2
1896	blt::table configure $inner r0 -resize none
1897
1898	set labels { qx qy qz qw xpan ypan zoom }
1899	set row 1
1900	foreach tag $labels {
1901	label $inner.${tag}label -text $tag -font "Arial 9"
1902	entry $inner.${tag} -font "Arial 9" -bg white \
1903	-textvariable [itcl::scope _view(-$tag)]
1904	bind $inner.${tag} <Return> \
1905	[itcl::code $this camera set -${tag}]
1906	bind $inner.${tag} <KP_Enter> \
1907	[itcl::code $this camera set -${tag}]
1908	blt::table $inner \
1909	$row,0 $inner.${tag}label -anchor e -pady 2 \
1910	$row,1 $inner.${tag} -anchor w -pady 2
1911	blt::table configure $inner r$row -resize none
1912	incr row
1913	}
1914	checkbutton $inner.ortho \
1915	-text "Orthographic Projection" \
1916	-variable [itcl::scope _view(-ortho)] \
1917	-command [itcl::code $this AdjustSetting -ortho] \
1918	-font "Arial 9"
1919	blt::table $inner \
1920	$row,0 $inner.ortho -cspan 2 -anchor w -pady 2
1921	blt::table configure $inner r$row -resize none
1922	incr row
1923
1924	blt::table configure $inner c* -resize none
1925	blt::table configure $inner c2 -resize expand
1926	blt::table configure $inner r$row -resize expand
1927	}
1928
1929	itcl::body Rappture::VtkGlyphViewer::BuildCutplanesTab {} {
1930
1931	set fg [option get $itk_component(hull) font Font]
1932
1933	set inner [$itk_component(main) insert end \
1934	-title "Cutplane Settings" \
1935	-icon [Rappture::icon cutbutton]]
1936
1937	$inner configure -borderwidth 4
1938
1939	checkbutton $inner.visible \
1940	-text "Cutplanes" \
1941	-variable [itcl::scope _settings(-cutplanesvisible)] \
1942	-command [itcl::code $this AdjustSetting -cutplanesvisible] \
1943	-font "Arial 9"
1944
1945	checkbutton $inner.wireframe \
1946	-text "Wireframe" \
1947	-variable [itcl::scope _settings(-cutplanewireframe)] \
1948	-command [itcl::code $this AdjustSetting -cutplanewireframe] \
1949	-font "Arial 9"
1950
1951	checkbutton $inner.lighting \
1952	-text "Enable Lighting" \
1953	-variable [itcl::scope _settings(-cutplanelighting)] \
1954	-command [itcl::code $this AdjustSetting -cutplanelighting] \
1955	-font "Arial 9"
1956
1957	checkbutton $inner.edges \
1958	-text "Edges" \
1959	-variable [itcl::scope _settings(-cutplaneedges)] \
1960	-command [itcl::code $this AdjustSetting -cutplaneedges] \
1961	-font "Arial 9"
1962
1963	checkbutton $inner.preinterp \
1964	-text "Interpolate Scalars" \
1965	-variable [itcl::scope _settings(-cutplanepreinterp)] \
1966	-command [itcl::code $this AdjustSetting -cutplanepreinterp] \
1967	-font "Arial 9"
1968
1969	label $inner.opacity_l -text "Opacity" -font "Arial 9"
1970	::scale $inner.opacity -from 0 -to 100 -orient horizontal \
1971	-variable [itcl::scope _widget(-cutplaneopacity)] \
1972	-width 10 \
1973	-showvalue off \
1974	-command [itcl::code $this AdjustSetting -cutplaneopacity]
1975	$inner.opacity set [expr $_settings(-cutplaneopacity) * 100.0]
1976
1977	# X-value slicer...
1978	itk_component add xbutton {
1979	Rappture::PushButton $inner.xbutton \
1980	-onimage [Rappture::icon x-cutplane-red] \
1981	-offimage [Rappture::icon x-cutplane-red] \
1982	-command [itcl::code $this AdjustSetting -xcutplanevisible] \
1983	-variable [itcl::scope _settings(-xcutplanevisible)] \
1984	}
1985	Rappture::Tooltip::for $itk_component(xbutton) \
1986	"Toggle the X-axis cutplane on/off"
1987	$itk_component(xbutton) select
1988	itk_component add xposition {
1989	::scale $inner.xval -from 100 -to 0 \
1990	-width 10 -orient vertical -showvalue 1 \
1991	-borderwidth 1 -highlightthickness 0 \
1992	-command [itcl::code $this EventuallySetCutplane x] \
1993	-variable [itcl::scope _settings(-xcutplaneposition)] \
1994	-foreground red2 -font "Arial 9 bold"
1995	} {
1996	usual
1997	ignore -borderwidth -highlightthickness -foreground -font -background
1998	}
1999	# Set the default cutplane value before disabling the scale.
2000	$itk_component(xposition) set 50
2001	$itk_component(xposition) configure -state disabled
2002	Rappture::Tooltip::for $itk_component(xposition) \
2003	"@[itcl::code $this Slice tooltip x]"
2004
2005	# Y-value slicer...
2006	itk_component add ybutton {
2007	Rappture::PushButton $inner.ybutton \
2008	-onimage [Rappture::icon y-cutplane-green] \
2009	-offimage [Rappture::icon y-cutplane-green] \
2010	-command [itcl::code $this AdjustSetting -ycutplanevisible] \
2011	-variable [itcl::scope _settings(-ycutplanevisible)] \
2012	}
2013	Rappture::Tooltip::for $itk_component(ybutton) \
2014	"Toggle the Y-axis cutplane on/off"
2015	$itk_component(ybutton) select
2016
2017	itk_component add yposition {
2018	::scale $inner.yval -from 100 -to 0 \
2019	-width 10 -orient vertical -showvalue 1 \
2020	-borderwidth 1 -highlightthickness 0 \
2021	-command [itcl::code $this EventuallySetCutplane y] \
2022	-variable [itcl::scope _settings(-ycutplaneposition)] \
2023	-foreground green3 -font "Arial 9 bold"
2024	} {
2025	usual
2026	ignore -borderwidth -highlightthickness -foreground -font
2027	}
2028	Rappture::Tooltip::for $itk_component(yposition) \
2029	"@[itcl::code $this Slice tooltip y]"
2030	# Set the default cutplane value before disabling the scale.
2031	$itk_component(yposition) set 50
2032	$itk_component(yposition) configure -state disabled
2033
2034	# Z-value slicer...
2035	itk_component add zbutton {
2036	Rappture::PushButton $inner.zbutton \
2037	-onimage [Rappture::icon z-cutplane-blue] \
2038	-offimage [Rappture::icon z-cutplane-blue] \
2039	-command [itcl::code $this AdjustSetting -zcutplanevisible] \
2040	-variable [itcl::scope _settings(-zcutplanevisible)] \
2041	} {
2042	usual
2043	ignore -foreground
2044	}
2045	Rappture::Tooltip::for $itk_component(zbutton) \
2046	"Toggle the Z-axis cutplane on/off"
2047	$itk_component(zbutton) select
2048
2049	itk_component add zposition {
2050	::scale $inner.zval -from 100 -to 0 \
2051	-width 10 -orient vertical -showvalue 1 \
2052	-borderwidth 1 -highlightthickness 0 \
2053	-command [itcl::code $this EventuallySetCutplane z] \
2054	-variable [itcl::scope _settings(-zcutplaneposition)] \
2055	-foreground blue3 -font "Arial 9 bold"
2056	} {
2057	usual
2058	ignore -borderwidth -highlightthickness -foreground -font
2059	}
2060	$itk_component(zposition) set 50
2061	$itk_component(zposition) configure -state disabled
2062	Rappture::Tooltip::for $itk_component(zposition) \
2063	"@[itcl::code $this Slice tooltip z]"
2064
2065	blt::table $inner \
2066	0,0 $inner.visible -anchor w -pady 2 -cspan 3 \
2067	1,0 $inner.lighting -anchor w -pady 2 -cspan 3 \
2068	2,0 $inner.wireframe -anchor w -pady 2 -cspan 3 \
2069	3,0 $inner.edges -anchor w -pady 2 -cspan 3 \
2070	4,0 $inner.preinterp -anchor w -pady 2 -cspan 3 \
2071	5,0 $inner.opacity_l -anchor w -pady 2 -cspan 1 \
2072	5,1 $inner.opacity -fill x -pady 2 -cspan 3 \
2073	6,0 $inner.xbutton -anchor w -padx 2 -pady 2 \
2074	7,0 $inner.ybutton -anchor w -padx 2 -pady 2 \
2075	8,0 $inner.zbutton -anchor w -padx 2 -pady 2 \
2076	6,1 $inner.xval -fill y -rspan 4 \
2077	6,2 $inner.yval -fill y -rspan 4 \
2078	6,3 $inner.zval -fill y -rspan 4 \
2079
2080	blt::table configure $inner r* c* -resize none
2081	blt::table configure $inner r9 c4 -resize expand
2082	}
2083
2084	#
2085	# camera --
2086	#
2087	itcl::body Rappture::VtkGlyphViewer::camera {option args} {
2088	switch -- $option {
2089	"show" {
2090	puts [array get _view]
2091	}
2092	"set" {
2093	set what [lindex $args 0]
2094	set x $_view($what)
2095	set code [catch { string is double $x } result]
2096	if { $code != 0 \|\| !$result } {
2097	return
2098	}
2099	switch -- $what {
2100	"-ortho" {
2101	if {$_view($what)} {
2102	SendCmd "camera mode ortho"
2103	} else {
2104	SendCmd "camera mode persp"
2105	}
2106	}
2107	"-xpan" - "-ypan" {
2108	PanCamera
2109	}
2110	"-qx" - "-qy" - "-qz" - "-qw" {
2111	set q [ViewToQuaternion]
2112	$_arcball quaternion $q
2113	EventuallyRotate $q
2114	}
2115	"-zoom" {
2116	SendCmd "camera zoom $_view($what)"
2117	}
2118	}
2119	}
2120	}
2121	}
2122
2123	itcl::body Rappture::VtkGlyphViewer::GetVtkData { args } {
2124	set bytes ""
2125	foreach dataobj [get] {
2126	foreach cname [$dataobj components] {
2127	set tag $dataobj-$cname
2128	set contents [$dataobj vtkdata $cname]
2129	append bytes "$contents\n"
2130	}
2131	}
2132	return [list .vtk $bytes]
2133	}
2134
2135	itcl::body Rappture::VtkGlyphViewer::GetImage { args } {
2136	if { [image width $_image(download)] > 0 &&
2137	[image height $_image(download)] > 0 } {
2138	set bytes [$_image(download) data -format "jpeg -quality 100"]
2139	set bytes [Rappture::encoding::decode -as b64 $bytes]
2140	return [list .jpg $bytes]
2141	}
2142	return ""
2143	}
2144
2145	itcl::body Rappture::VtkGlyphViewer::BuildDownloadPopup { popup command } {
2146	Rappture::Balloon $popup \
2147	-title "[Rappture::filexfer::label downloadWord] as..."
2148	set inner [$popup component inner]
2149	label $inner.summary -text "" -anchor w
2150	radiobutton $inner.vtk_button -text "VTK data file" \
2151	-variable [itcl::scope _downloadPopup(format)] \
2152	-font "Arial 9 " \
2153	-value vtk
2154	Rappture::Tooltip::for $inner.vtk_button "Save as VTK data file."
2155	radiobutton $inner.image_button -text "Image File" \
2156	-variable [itcl::scope _downloadPopup(format)] \
2157	-font "Arial 9 " \
2158	-value image
2159	Rappture::Tooltip::for $inner.image_button \
2160	"Save as digital image."
2161
2162	button $inner.ok -text "Save" \
2163	-highlightthickness 0 -pady 2 -padx 3 \
2164	-command $command \
2165	-compound left \
2166	-image [Rappture::icon download]
2167
2168	button $inner.cancel -text "Cancel" \
2169	-highlightthickness 0 -pady 2 -padx 3 \
2170	-command [list $popup deactivate] \
2171	-compound left \
2172	-image [Rappture::icon cancel]
2173
2174	blt::table $inner \
2175	0,0 $inner.summary -cspan 2 \
2176	1,0 $inner.vtk_button -anchor w -cspan 2 -padx { 4 0 } \
2177	2,0 $inner.image_button -anchor w -cspan 2 -padx { 4 0 } \
2178	4,1 $inner.cancel -width .9i -fill y \
2179	4,0 $inner.ok -padx 2 -width .9i -fill y
2180	blt::table configure $inner r3 -height 4
2181	blt::table configure $inner r4 -pady 4
2182	raise $inner.image_button
2183	$inner.vtk_button invoke
2184	return $inner
2185	}
2186
2187	itcl::body Rappture::VtkGlyphViewer::SetObjectStyle { dataobj comp } {
2188	DebugTrace "Enter"
2189	# Parse style string.
2190	set tag $dataobj-$comp
2191	array set style {
2192	-color BCGYR
2193	-constcolor white
2194	-colormode vmag
2195	-cutplaneedges 0
2196	-cutplanelighting 1
2197	-cutplaneopacity 1.0
2198	-cutplanepreinterp 1
2199	-cutplanesvisible 0
2200	-cutplanewireframe 0
2201	-edgecolor black
2202	-edges 0
2203	-glyphsvisible 1
2204	-gscale 1
2205	-lighting 1
2206	-linewidth 1.0
2207	-normscale 1
2208	-opacity 1.0
2209	-orientglyphs 1
2210	-outline 0
2211	-ptsize 1.0
2212	-quality 1
2213	-scalemode vmag
2214	-shape arrow
2215	-wireframe 0
2216	-xcutplaneposition 50
2217	-xcutplanevisible 1
2218	-ycutplaneposition 50
2219	-ycutplanevisible 1
2220	-zcutplaneposition 50
2221	-zcutplanevisible 1
2222	}
2223	set style(-constcolor) $itk_option(-plotforeground)
2224	set numComponents [$dataobj numComponents $comp]
2225	if {$numComponents == 3} {
2226	set style(-shape) "arrow"
2227	set style(-orientglyphs) 1
2228	set style(-scalemode) "vmag"
2229	set style(-colormode) "vmag"
2230	} else {
2231	set style(-shape) "sphere"
2232	set style(-orientglyphs) 0
2233	set style(-scalemode) "scalar"
2234	set style(-colormode) "scalar"
2235	}
2236	array set style [$dataobj style $comp]
2237	# Backwards compat with camel case style option
2238	if { [info exists style(-orientGlyphs)] } {
2239	set style(-orientglyphs) $style(-orientGlyphs)
2240	array unset style -orientGlyphs
2241	}
2242	# Backwards compat with camel case style option
2243	if { [info exists style(-scaleMode)] } {
2244	set style(-scalemode) $style(-scaleMode)
2245	array unset style -scaleMode
2246	}
2247
2248	# This is too complicated. We want to set the colormap and opacity
2249	# for the dataset. They can be the default values,
2250	# the style hints loaded with the dataset, or set by user controls. As
2251	# datasets get loaded, they first use the defaults that are overidden
2252	# by the style hints. If the user changes the global controls, then that
2253	# overrides everything else. I don't know what it means when global
2254	# controls are specified as style hints by each dataset. It complicates
2255	# the code to handle aberrant cases.
2256
2257	if { $_changed(-glyphedges) } {
2258	set style(-edges) $_settings(-glyphedges)
2259	}
2260	if { $_changed(-glyphlighting) } {
2261	set style(-lighting) $_settings(-glyphlighting)
2262	}
2263	if { $_changed(-glyphnormscale) } {
2264	set style(-normscale) $_settings(-glyphnormscale)
2265	}
2266	if { $_changed(-glyphopacity) } {
2267	set style(-opacity) $_settings(-glyphopacity)
2268	}
2269	if { $_changed(-glyphorient) } {
2270	set style(-orientglyphs) $_settings(-glyphorient)
2271	}
2272	if { $_changed(-glyphscale) } {
2273	set style(-gscale) $_settings(-glyphscale)
2274	}
2275	if { $_changed(-glyphwireframe) } {
2276	set style(-wireframe) $_settings(-glyphwireframe)
2277	}
2278	if { $_changed(-colormap) } {
2279	set style(-color) $_settings(-colormap)
2280	}
2281	if { $_currentColormap == "" } {
2282	$itk_component(colormap) value $style(-color)
2283	}
2284	foreach setting {-outline -glyphsvisible -cutplanesvisible \
2285	-xcutplanevisible -ycutplanevisible -zcutplanevisible \
2286	-xcutplaneposition -ycutplaneposition -zcutplaneposition \
2287	-cutplaneedges -cutplanelighting -cutplaneopacity \
2288	-cutplanepreinterp -cutplanewireframe} {
2289	if {$_changed($setting)} {
2290	# User-modified UI setting overrides style
2291	set style($setting) $_settings($setting)
2292	} else {
2293	# Set UI control to style setting (tool provided or default)
2294	set _settings($setting) $style($setting)
2295	}
2296	}
2297
2298	if 0 {
2299	SendCmd "cutplane add $tag"
2300	SendCmd "cutplane visible 0 $tag"
2301	foreach axis {x y z} {
2302	set pos [expr $style(-${axis}cutplaneposition) * 0.01]
2303	set visible $style(-${axis}cutplanevisible)
2304	SendCmd "cutplane slice $axis $pos $tag"
2305	SendCmd "cutplane axis $axis $visible $tag"
2306	}
2307	SendCmd "cutplane edges $style(-cutplaneedges) $tag"
2308	SendCmd "cutplane lighting $style(-cutplanelighting) $tag"
2309	SendCmd "cutplane opacity $style(-cutplaneopacity) $tag"
2310	set _widget(-cutplaneopacity) [expr $style(-cutplaneopacity) * 100]
2311	SendCmd "cutplane preinterp $style(-cutplanepreinterp) $tag"
2312	SendCmd "cutplane wireframe $style(-cutplanewireframe) $tag"
2313	SendCmd "cutplane visible $style(-cutplanesvisible) $tag"
2314	}
2315
2316	SendCmd "outline add $tag"
2317	SendCmd "outline color [Color2RGB $style(-constcolor)] $tag"
2318	SendCmd "outline visible $style(-outline) $tag"
2319
2320	SendCmd "glyphs add $style(-shape) $tag"
2321	set _settings(-glyphshape) $style(-shape)
2322	$itk_component(gshape) value $style(-shape)
2323	SendCmd "glyphs visible $style(-glyphsvisible) $tag"
2324	SendCmd "glyphs edges $style(-edges) $tag"
2325	set _settings(-glyphedges) $style(-edges)
2326
2327	# normscale=1 and gscale=1 are defaults
2328	if {$style(-normscale) != 1} {
2329	SendCmd "glyphs normscale $style(-normscale) $tag"
2330	}
2331	if {$style(-gscale) != 1} {
2332	SendCmd "glyphs gscale $style(-gscale) $tag"
2333	}
2334	set _settings(-glyphnormscale) $style(-normscale)
2335	set _settings(-glyphscale) $style(-gscale)
2336
2337	if {$style(-colormode) == "constant" \|\| $style(-color) == "none"} {
2338	SendCmd "glyphs colormode constant {} $tag"
2339	set _settings(-colormapvisible) 0
2340	set _settings(-colormap) "none"
2341	} else {
2342	SendCmd "glyphs colormode $style(-colormode) $_curFldName $tag"
2343	set _settings(-colormapvisible) 1
2344	set _settings(-colormap) $style(-color)
2345	SetCurrentColormap $style(-color)
2346	}
2347	$itk_component(colormap) value $_settings(-colormap)
2348	set _colorMode $style(-colormode)
2349
2350	# constant color only used if colormode set to constant
2351	SendCmd "glyphs color [Color2RGB $style(-constcolor)] $tag"
2352	# Omitting field name for gorient and smode commands
2353	# defaults to active scalars or vectors depending on mode
2354	SendCmd "glyphs gorient $style(-orientglyphs) {} $tag"
2355	set _settings(-glyphorient) $style(-orientglyphs)
2356	SendCmd "glyphs smode $style(-scalemode) {} $tag"
2357	set _settings(-glyphscalemode) $style(-scalemode)
2358	$itk_component(scaleMode) value "[$itk_component(scaleMode) label $style(-scalemode)]"
2359	SendCmd "glyphs quality $style(-quality) $tag"
2360	SendCmd "glyphs lighting $style(-lighting) $tag"
2361	set _settings(-glyphlighting) $style(-lighting)
2362	SendCmd "glyphs linecolor [Color2RGB $style(-edgecolor)] $tag"
2363	SendCmd "glyphs linewidth $style(-linewidth) $tag"
2364	SendCmd "glyphs ptsize $style(-ptsize) $tag"
2365	SendCmd "glyphs opacity $style(-opacity) $tag"
2366	set _settings(-glyphopacity) $style(-opacity)
2367	set _widget(-glyphopacity) [expr $style(-opacity) * 100.0]
2368	SendCmd "glyphs wireframe $style(-wireframe) $tag"
2369	set _settings(-glyphwireframe) $style(-wireframe)
2370	}
2371
2372	itcl::body Rappture::VtkGlyphViewer::IsValidObject { dataobj } {
2373	if {[catch {$dataobj isa Rappture::Field} valid] != 0 \|\| !$valid} {
2374	return 0
2375	}
2376	return 1
2377	}
2378
2379	#
2380	# EnterLegend --
2381	#
2382	itcl::body Rappture::VtkGlyphViewer::EnterLegend { x y } {
2383	SetLegendTip $x $y
2384	}
2385
2386	#
2387	# MotionLegend --
2388	#
2389	itcl::body Rappture::VtkGlyphViewer::MotionLegend { x y } {
2390	Rappture::Tooltip::tooltip cancel
2391	set c $itk_component(view)
2392	set cw [winfo width $c]
2393	set ch [winfo height $c]
2394	if { $x >= 0 && $x < $cw && $y >= 0 && $y < $ch } {
2395	SetLegendTip $x $y
2396	}
2397	}
2398
2399	#
2400	# LeaveLegend --
2401	#
2402	itcl::body Rappture::VtkGlyphViewer::LeaveLegend { } {
2403	Rappture::Tooltip::tooltip cancel
2404	.rappturetooltip configure -icon ""
2405	}
2406
2407	#
2408	# SetLegendTip --
2409	#
2410	itcl::body Rappture::VtkGlyphViewer::SetLegendTip { x y } {
2411	set fname $_curFldName
2412	set c $itk_component(view)
2413	set w [winfo width $c]
2414	set h [winfo height $c]
2415
2416	set font "Arial 8"
2417	set lineht [font metrics $font -linespace]
2418
2419	set ih [image height $_image(legend)]
2420	set iy [expr $y - ($lineht + 2)]
2421
2422	if { [string match "component*" $fname] } {
2423	set title ""
2424	} else {
2425	if { [info exists _fields($fname)] } {
2426	foreach { title units } $_fields($fname) break
2427	if { $units != "" } {
2428	set title [format "%s (%s)" $title $units]
2429	}
2430	} else {
2431	set title $fname
2432	}
2433	}
2434	# If there's a legend title, increase the offset by the line height.
2435	if { $title != "" } {
2436	incr iy -$lineht
2437	}
2438	# Make a swatch of the selected color
2439	if { [catch { $_image(legend) get 10 $iy } pixel] != 0 } {
2440	return
2441	}
2442	if { ![info exists _image(swatch)] } {
2443	set _image(swatch) [image create photo -width 24 -height 24]
2444	}
2445	set color [eval format "\#%02x%02x%02x" $pixel]
2446	$_image(swatch) put black -to 0 0 23 23
2447	$_image(swatch) put $color -to 1 1 22 22
2448	.rappturetooltip configure -icon $_image(swatch)
2449
2450	# Compute the value of the point
2451	if { [info exists _limits($_curFldName)] } {
2452	foreach { vmin vmax } $_limits($_curFldName) break
2453	set t [expr 1.0 - (double($iy) / double($ih-1))]
2454	set value [expr $t * ($vmax - $vmin) + $vmin]
2455	} else {
2456	set value 0.0
2457	}
2458	set tx [expr $x + 15]
2459	set ty [expr $y - 5]
2460	Rappture::Tooltip::text $c [format "$title %g" $value]
2461	Rappture::Tooltip::tooltip show $c +$tx,+$ty
2462	}
2463
2464	# ----------------------------------------------------------------------
2465	# USAGE: Slice move x\|y\|z <newval>
2466	#
2467	# Called automatically when the user drags the slider to move the
2468	# cut plane that slices 3D data. Gets the current value from the
2469	# slider and moves the cut plane to the appropriate point in the
2470	# data set.
2471	# ----------------------------------------------------------------------
2472	itcl::body Rappture::VtkGlyphViewer::Slice {option args} {
2473	switch -- $option {
2474	"move" {
2475	set axis [lindex $args 0]
2476	set newval [lindex $args 1]
2477	if {[llength $args] != 2} {
2478	error "wrong # args: should be \"Slice move x\|y\|z newval\""
2479	}
2480	set newpos [expr {0.01*$newval}]
2481	SendCmd "cutplane slice $axis $newpos"
2482	}
2483	"tooltip" {
2484	set axis [lindex $args 0]
2485	set val [$itk_component(${axis}position) get]
2486	return "Move the [string toupper $axis] cut plane.\nCurrently: $axis = $val%"
2487	}
2488	default {
2489	error "bad option \"$option\": should be axis, move, or tooltip"
2490	}
2491	}
2492	}
2493
2494	#
2495	# ReceiveLegend --
2496	#
2497	# Invoked automatically whenever the "legend" command comes in from
2498	# the rendering server. Indicates that binary image data with the
2499	# specified <size> will follow.
2500	#
2501	itcl::body Rappture::VtkGlyphViewer::ReceiveLegend { colormap title min max size } {
2502	DebugTrace "Enter"
2503	set _title $title
2504	regsub {\(mag\)} $title "" _title
2505	if { [IsConnected] } {
2506	set bytes [ReceiveBytes $size]
2507	if { ![info exists _image(legend)] } {
2508	set _image(legend) [image create photo]
2509	}
2510	$_image(legend) configure -data $bytes
2511	#puts stderr "read $size bytes for [image width $_image(legend)]x[image height $_image(legend)] legend>"
2512	if { [catch {DrawLegend} errs] != 0 } {
2513	global errorInfo
2514	puts stderr "errs=$errs errorInfo=$errorInfo"
2515	}
2516	}
2517	}
2518
2519	#
2520	# DrawLegend --
2521	#
2522	# Draws the legend on the canvas on the right side of the plot area.
2523	#
2524	itcl::body Rappture::VtkGlyphViewer::DrawLegend {} {
2525	set fname $_curFldName
2526	set c $itk_component(view)
2527	set w [winfo width $c]
2528	set h [winfo height $c]
2529	set font "Arial 8"
2530	set lineht [font metrics $font -linespace]
2531
2532	if { [string match "component*" $fname] } {
2533	set title ""
2534	} else {
2535	if { [info exists _fields($fname)] } {
2536	foreach { title units } $_fields($fname) break
2537	if { $units != "" } {
2538	set title [format "%s (%s)" $title $units]
2539	}
2540	} else {
2541	set title $fname
2542	}
2543	}
2544	set x [expr $w - 2]
2545	if { !$_settings(-legendvisible) } {
2546	$c delete legend
2547	return
2548	}
2549	if { [$c find withtag "legend"] == "" } {
2550	set y 2
2551	# If there's a legend title, create a text item for the title.
2552	$c create text $x $y \
2553	-anchor ne \
2554	-fill $itk_option(-plotforeground) -tags "title legend" \
2555	-font $font
2556	if { $title != "" } {
2557	incr y $lineht
2558	}
2559	$c create text $x $y \
2560	-anchor ne \
2561	-fill $itk_option(-plotforeground) -tags "vmax legend" \
2562	-font $font
2563	incr y $lineht
2564	$c create image $x $y \
2565	-anchor ne \
2566	-image $_image(legend) -tags "colormap legend"
2567	$c create rectangle $x $y 1 1 \
2568	-fill "" -outline "" -tags "sensor legend"
2569	$c create text $x [expr {$h-2}] \
2570	-anchor se \
2571	-fill $itk_option(-plotforeground) -tags "vmin legend" \
2572	-font $font
2573	$c bind sensor <Enter> [itcl::code $this EnterLegend %x %y]
2574	$c bind sensor <Leave> [itcl::code $this LeaveLegend]
2575	$c bind sensor <Motion> [itcl::code $this MotionLegend %x %y]
2576	}
2577	set x2 $x
2578	set iw [image width $_image(legend)]
2579	set ih [image height $_image(legend)]
2580	set x1 [expr $x2 - ($iw*12)/10]
2581
2582	$c bind title <ButtonPress> [itcl::code $this LegendTitleAction post]
2583	$c bind title <Enter> [itcl::code $this LegendTitleAction enter]
2584	$c bind title <Leave> [itcl::code $this LegendTitleAction leave]
2585	# Reset the item coordinates according the current size of the plot.
2586	$c itemconfigure title -text $title
2587	if { [info exists _limits($_curFldName)] } {
2588	foreach { vmin vmax } $_limits($_curFldName) break
2589	$c itemconfigure vmin -text [format %g $vmin]
2590	$c itemconfigure vmax -text [format %g $vmax]
2591	}
2592	set y 2
2593	# If there's a legend title, move the title to the correct position
2594	if { $title != "" } {
2595	$c itemconfigure title -text $title
2596	$c coords title $x $y
2597	incr y $lineht
2598	$c raise title
2599	}
2600	$c coords vmax $x $y
2601	incr y $lineht
2602	$c coords colormap $x $y
2603	$c coords sensor [expr $x - $iw] $y $x [expr $y + $ih]
2604	$c raise sensor
2605	$c coords vmin $x [expr {$h - 2}]
2606	}
2607
2608	# ----------------------------------------------------------------------
2609	# USAGE: LegendTitleAction post
2610	# USAGE: LegendTitleAction enter
2611	# USAGE: LegendTitleAction leave
2612	# USAGE: LegendTitleAction save
2613	#
2614	# Used internally to handle the dropdown list for the fields menu combobox.
2615	# The post option is invoked when the field title is pressed to launch the
2616	# dropdown. The enter option is invoked when the user mouses over the field
2617	# title. The leave option is invoked when the user moves the mouse away
2618	# from the field title. The save option is invoked whenever there is a
2619	# selection from the list, to alert the visualization server.
2620	# ----------------------------------------------------------------------
2621	itcl::body Rappture::VtkGlyphViewer::LegendTitleAction {option} {
2622	set c $itk_component(view)
2623	switch -- $option {
2624	post {
2625	foreach { x1 y1 x2 y2 } [$c bbox title] break
2626	set cw [winfo width $itk_component(view)]
2627	set mw [winfo reqwidth $itk_component(fieldmenu)]
2628	set x1 [expr $cw - $mw]
2629	set x [expr $x1 + [winfo rootx $itk_component(view)]]
2630	set y [expr $y2 + [winfo rooty $itk_component(view)]]
2631	tk_popup $itk_component(fieldmenu) $x $y
2632	}
2633	enter {
2634	$c itemconfigure title -fill red
2635	}
2636	leave {
2637	$c itemconfigure title -fill $itk_option(-plotforeground)
2638	}
2639	save {
2640	$itk_component(field) value $_curFldLabel
2641	AdjustSetting -field
2642	}
2643	default {
2644	error "bad option \"$option\": should be post, enter, leave or save"
2645	}
2646	}
2647	}
2648
2649	#
2650	# SetCurrentColormap --
2651	#
2652	itcl::body Rappture::VtkGlyphViewer::SetCurrentColormap { name } {
2653	# Keep track of the colormaps that we build.
2654	if { ![info exists _colormaps($name)] } {
2655	BuildColormap $name
2656	set _colormaps($name) 1
2657	}
2658	set _currentColormap $name
2659	SendCmd "glyphs colormap $_currentColormap"
2660	#SendCmd "cutplane colormap $_currentColormap"
2661	}
2662
2663	#
2664	# BuildColormap --
2665	#
2666	# Build the designated colormap on the server.
2667	#
2668	itcl::body Rappture::VtkGlyphViewer::BuildColormap { name } {
2669	set cmap [ColorsToColormap $name]
2670	if { [llength $cmap] == 0 } {
2671	set cmap "0.0 0.0 0.0 0.0 1.0 1.0 1.0 1.0"
2672	}
2673	set amap "0.0 1.0 1.0 1.0"
2674	SendCmd "colormap add $name { $cmap } { $amap }"
2675	}
2676
2677	itcl::body Rappture::VtkGlyphViewer::SetOrientation { side } {
2678	array set positions {
2679	front "1 0 0 0"
2680	back "0 0 1 0"
2681	left "0.707107 0 -0.707107 0"
2682	right "0.707107 0 0.707107 0"
2683	top "0.707107 -0.707107 0 0"
2684	bottom "0.707107 0.707107 0 0"
2685	}
2686	foreach name { -qw -qx -qy -qz } value $positions($side) {
2687	set _view($name) $value
2688	}
2689	set q [ViewToQuaternion]
2690	$_arcball quaternion $q
2691	SendCmd "camera orient $q"
2692	SendCmd "camera reset"
2693	set _view(-xpan) 0
2694	set _view(-ypan) 0
2695	set _view(-zoom) 1.0
2696	}
2697
2698	itcl::body Rappture::VtkGlyphViewer::SetCurrentFieldName { dataobj } {
2699	set _first $dataobj
2700	$itk_component(field) choices delete 0 end
2701	$itk_component(fieldmenu) delete 0 end
2702	array unset _fields
2703	set _curFldName ""
2704	foreach cname [$_first components] {
2705	foreach fname [$_first fieldnames $cname] {
2706	if { [info exists _fields($fname)] } {
2707	continue
2708	}
2709	foreach { label units components } \
2710	[$_first fieldinfo $fname] break
2711	$itk_component(field) choices insert end "$fname" "$label"
2712	$itk_component(fieldmenu) add radiobutton -label "$label" \
2713	-value $label -variable [itcl::scope _curFldLabel] \
2714	-selectcolor red \
2715	-activebackground $itk_option(-plotbackground) \
2716	-activeforeground $itk_option(-plotforeground) \
2717	-font "Arial 8" \
2718	-command [itcl::code $this LegendTitleAction save]
2719	set _fields($fname) [list $label $units $components]
2720	if { $_curFldName == "" } {
2721	set _curFldName $fname
2722	set _curFldLabel $label
2723	}
2724	}
2725	}
2726	$itk_component(field) value $_curFldLabel
2727	}

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