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source: branches/1.6/gui/scripts/vtkglyphviewer.tcl @ 6363

Last change on this file since 6363 was 6363, checked in by ldelgass, 8 years ago
merge viewer fixes from trunk
File size: 92.9 KB

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

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