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source: branches/1.7/gui/scripts/vtkglyphviewer.tcl @ 6228

Last change on this file since 6228 was 6228, checked in by ldelgass, 9 years ago
merge r6182 from trunk (custom range support for vtkglyphviewer)
File size: 108.7 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 DisableMouseRotationBindings {}
75	private method Disconnect {}
76	private method DoResize {}
77	private method DoRotate {}
78	private method DrawLegend {}
79	private method EnterLegend { x y }
80	private method EventuallyRequestLegend {}
81	private method EventuallyResize { w h }
82	private method EventuallyRotate { q }
83	private method EventuallySetCutplane { axis args }
84	private method GetImage { args }
85	private method GetVtkData { args }
86	private method InitSettings { args }
87	private method IsValidObject { dataobj }
88	private method LeaveLegend {}
89	private method LegendPointToValue { x y }
90	private method LegendRangeAction { option args }
91	private method LegendRangeValidate { widget which value }
92	private method LegendTitleAction { option }
93	private method MotionLegend { x y }
94	private method MouseOver2Which {}
95	private method Pan {option x y}
96	private method PanCamera {}
97	private method Pick {x y}
98	private method QuaternionToView { q } {
99	foreach { _view(-qw) _view(-qx) _view(-qy) _view(-qz) } $q break
100	}
101	private method Rebuild {}
102	private method ReceiveDataset { args }
103	private method ReceiveImage { args }
104	private method ReceiveLegend { colormap title vmin vmax size }
105	private method RequestLegend {}
106	private method Rotate {option x y}
107	private method SetCurrentColormap { color }
108	private method SetCurrentFieldName { dataobj }
109	private method SetLegendTip { x y }
110	private method SetMinMaxGauges { min max }
111	private method SetObjectStyle { dataobj comp }
112	private method SetOrientation { side }
113	private method SetupKeyboardBindings {}
114	private method SetupMousePanningBindings {}
115	private method SetupMouseRotationBindings {}
116	private method SetupMouseZoomBindings {}
117	private method Slice {option args}
118	private method ToggleCustomRange { args }
119	private method ViewToQuaternion {} {
120	return [list $_view(-qw) $_view(-qx) $_view(-qy) $_view(-qz)]
121	}
122	private method Zoom {option}
123
124	private variable _arcball ""
125
126	private variable _dlist ""; # list of data objects
127	private variable _obj2ovride; # maps dataobj => style override
128	private variable _datasets; # contains all the dataobj-component
129	# datasets in the server
130	private variable _colormaps; # contains all the colormaps
131	# in the server.
132	# The name of the current colormap used. The colormap is global to all
133	# heightmaps displayed.
134	private variable _currentColormap ""
135
136	private variable _click; # info used for rotate operations
137	private variable _limits; # autoscale min/max for all axes
138	private variable _view; # view params for 3D view
139	private variable _settings
140	private variable _changed
141	private variable _reset 1; # Connection to server has been reset.
142
143	private variable _first ""; # This is the topmost dataset.
144	private variable _start 0
145	private variable _title ""
146	private variable _widget
147	private variable _width 0
148	private variable _height 0
149	private variable _resizePending 0
150	private variable _legendPending 0
151	private variable _rotatePending 0
152	private variable _cutplanePending 0
153	private variable _field ""
154	private variable _colorMode "vmag"; # Mode of colormap (vmag or scalar)
155	private variable _fields
156	private variable _curFldName ""
157	private variable _curFldLabel ""
158	private variable _curFldComp 3
159	private variable _mouseOver ""; # what called LegendRangeAction:
160	# vmin or vmax
161	private variable _customRangeClick 1; # what called ToggleCustomRange
162
163	private common _downloadPopup; # download options from popup
164	private common _hardcopy
165	}
166
167	itk::usual VtkGlyphViewer {
168	keep -background -foreground -cursor -font
169	keep -plotbackground -plotforeground
170	}
171
172	# ----------------------------------------------------------------------
173	# CONSTRUCTOR
174	# ----------------------------------------------------------------------
175	itcl::body Rappture::VtkGlyphViewer::constructor {args} {
176	set _serverType "vtkvis"
177
178	#DebugOn
179	EnableWaitDialog 900
180
181	# Rebuild event
182	$_dispatcher register !rebuild
183	$_dispatcher dispatch $this !rebuild "[itcl::code $this Rebuild]; list"
184
185	# Resize event
186	$_dispatcher register !resize
187	$_dispatcher dispatch $this !resize "[itcl::code $this DoResize]; list"
188
189	# Legend event
190	$_dispatcher register !legend
191	$_dispatcher dispatch $this !legend "[itcl::code $this RequestLegend]; list"
192
193	# Rotate event
194	$_dispatcher register !rotate
195	$_dispatcher dispatch $this !rotate "[itcl::code $this DoRotate]; list"
196
197	# X-Cutplane event
198	$_dispatcher register !xcutplane
199	$_dispatcher dispatch $this !xcutplane \
200	"[itcl::code $this AdjustSetting -xcutplaneposition]; list"
201
202	# Y-Cutplane event
203	$_dispatcher register !ycutplane
204	$_dispatcher dispatch $this !ycutplane \
205	"[itcl::code $this AdjustSetting -ycutplaneposition]; list"
206
207	# Z-Cutplane event
208	$_dispatcher register !zcutplane
209	$_dispatcher dispatch $this !zcutplane \
210	"[itcl::code $this AdjustSetting -zcutplaneposition]; list"
211
212	#
213	# Populate parser with commands handle incoming requests
214	#
215	$_parser alias image [itcl::code $this ReceiveImage]
216	$_parser alias legend [itcl::code $this ReceiveLegend]
217	$_parser alias dataset [itcl::code $this ReceiveDataset]
218
219	# Initialize the view to some default parameters.
220	array set _view {
221	-ortho 0
222	-qw 0.853553
223	-qx -0.353553
224	-qy 0.353553
225	-qz 0.146447
226	-xpan 0
227	-ypan 0
228	-zoom 1.0
229	}
230	set _arcball [blt::arcball create 100 100]
231	$_arcball quaternion [ViewToQuaternion]
232
233	array set _settings {
234	-axesvisible 1
235	-axislabels 1
236	-axisminorticks 1
237	-axismode "static"
238	-background black
239	-colormap BCGYR
240	-colormapvisible 1
241	-customrange 0
242	-customrangemin 0
243	-customrangemax 1
244	-cutplaneedges 0
245	-cutplanelighting 1
246	-cutplaneopacity 1.0
247	-cutplanepreinterp 1
248	-cutplanesvisible 0
249	-cutplanewireframe 0
250	-field "Default"
251	-glyphedges 0
252	-glyphlighting 1
253	-glyphnormscale 1
254	-glyphopacity 1.0
255	-glyphorient 1
256	-glyphscale 1
257	-glyphscalemode "vmag"
258	-glyphshape "arrow"
259	-glyphsvisible 1
260	-glyphwireframe 0
261	-legendvisible 1
262	-outline 0
263	-xcutplaneposition 50
264	-xcutplanevisible 1
265	-xgrid 0
266	-ycutplaneposition 50
267	-ycutplanevisible 1
268	-ygrid 0
269	-zcutplaneposition 50
270	-zcutplanevisible 1
271	-zgrid 0
272	}
273	array set _changed {
274	-colormap 0
275	-cutplaneedges 0
276	-cutplanelighting 0
277	-cutplaneopacity 0
278	-cutplanepreinterp 0
279	-cutplanesvisible 0
280	-cutplanewireframe 0
281	-glyphedges 0
282	-glyphlighting 0
283	-glyphnormscale 0
284	-glyphopacity 0
285	-glyphorient 0
286	-glyphscale 0
287	-glyphscalemode 0
288	-glyphshape 0
289	-glyphsvisible 0
290	-glyphwireframe 0
291	-outline 0
292	-xcutplaneposition 0
293	-xcutplanevisible 0
294	-ycutplaneposition 0
295	-ycutplanevisible 0
296	-zcutplaneposition 0
297	-zcutplanevisible 0
298	}
299	array set _widget {
300	-cutplaneopacity 100
301	-glyphopacity 100
302	}
303
304	itk_component add view {
305	canvas $itk_component(plotarea).view \
306	-highlightthickness 0 -borderwidth 0
307	} {
308	usual
309	ignore -highlightthickness -borderwidth -background
310	}
311
312	itk_component add fieldmenu {
313	menu $itk_component(plotarea).menu -bg black -fg white -relief flat \
314	-tearoff 0
315	} {
316	usual
317	ignore -background -foreground -relief -tearoff
318	}
319
320	# add an editor for adjusting the legend min and max values
321	itk_component add editor {
322	Rappture::Editor $itk_interior.editor \
323	-activatecommand [itcl::code $this LegendRangeAction activate] \
324	-validatecommand [itcl::code $this LegendRangeAction validate] \
325	-applycommand [itcl::code $this LegendRangeAction apply]
326	}
327
328	set c $itk_component(view)
329	bind $c <Configure> [itcl::code $this EventuallyResize %w %h]
330	bind $c <Control-F1> [itcl::code $this ToggleConsole]
331
332	# Fix the scrollregion in case we go off screen
333	$c configure -scrollregion [$c bbox all]
334
335	set _map(id) [$c create image 0 0 -anchor nw -image $_image(plot)]
336	set _map(cwidth) -1
337	set _map(cheight) -1
338	set _map(zoom) 1.0
339	set _map(original) ""
340
341	set f [$itk_component(main) component controls]
342	itk_component add reset {
343	button $f.reset -borderwidth 1 -padx 1 -pady 1 \
344	-highlightthickness 0 \
345	-image [Rappture::icon reset-view] \
346	-command [itcl::code $this Zoom reset]
347	} {
348	usual
349	ignore -highlightthickness
350	}
351	pack $itk_component(reset) -side top -padx 2 -pady 2
352	Rappture::Tooltip::for $itk_component(reset) \
353	"Reset the view to the default zoom level"
354
355	itk_component add zoomin {
356	button $f.zin -borderwidth 1 -padx 1 -pady 1 \
357	-highlightthickness 0 \
358	-image [Rappture::icon zoom-in] \
359	-command [itcl::code $this Zoom in]
360	} {
361	usual
362	ignore -highlightthickness
363	}
364	pack $itk_component(zoomin) -side top -padx 2 -pady 2
365	Rappture::Tooltip::for $itk_component(zoomin) "Zoom in"
366
367	itk_component add zoomout {
368	button $f.zout -borderwidth 1 -padx 1 -pady 1 \
369	-highlightthickness 0 \
370	-image [Rappture::icon zoom-out] \
371	-command [itcl::code $this Zoom out]
372	} {
373	usual
374	ignore -highlightthickness
375	}
376	pack $itk_component(zoomout) -side top -padx 2 -pady 2
377	Rappture::Tooltip::for $itk_component(zoomout) "Zoom out"
378
379	itk_component add glyphs {
380	Rappture::PushButton $f.glyphs \
381	-onimage [Rappture::icon volume-on] \
382	-offimage [Rappture::icon volume-off] \
383	-variable [itcl::scope _settings(-glyphsvisible)] \
384	-command [itcl::code $this AdjustSetting -glyphsvisible]
385	}
386	$itk_component(glyphs) select
387	Rappture::Tooltip::for $itk_component(glyphs) \
388	"Hide the glyphs"
389	pack $itk_component(glyphs) -padx 2 -pady 2
390
391	if {0} {
392	itk_component add cutplane {
393	Rappture::PushButton $f.cutplane \
394	-onimage [Rappture::icon cutbutton] \
395	-offimage [Rappture::icon cutbutton] \
396	-variable [itcl::scope _settings(-cutplanesvisible)] \
397	-command [itcl::code $this AdjustSetting -cutplanesvisible]
398	}
399	Rappture::Tooltip::for $itk_component(cutplane) \
400	"Show the cutplanes"
401	pack $itk_component(cutplane) -padx 2 -pady 2
402	}
403
404	if { [catch {
405	BuildGlyphTab
406	#BuildCutplanesTab
407	BuildAxisTab
408	BuildCameraTab
409	} errs] != 0 } {
410	puts stderr errs=$errs
411	}
412
413	# Legend
414	set _image(legend) [image create photo]
415	itk_component add legend {
416	canvas $itk_component(plotarea).legend -width 50 -highlightthickness 0
417	} {
418	usual
419	ignore -highlightthickness
420	rename -background -plotbackground plotBackground Background
421	}
422
423	# Hack around the Tk panewindow. The problem is that the requested
424	# size of the 3d view isn't set until an image is retrieved from
425	# the server. So the panewindow uses the tiny size.
426	set w 10000
427	pack forget $itk_component(view)
428	blt::table $itk_component(plotarea) \
429	0,0 $itk_component(view) -fill both -reqwidth $w
430	blt::table configure $itk_component(plotarea) c1 -resize none
431
432	SetupMouseRotationBindings
433	SetupMousePanningBindings
434	SetupMouseZoomBindings
435	SetupKeyboardBindings
436
437	#bind $itk_component(view) <ButtonRelease-3> \
438	# [itcl::code $this Pick %x %y]
439
440	set _image(download) [image create photo]
441
442	eval itk_initialize $args
443
444	Connect
445	}
446
447	# ----------------------------------------------------------------------
448	# DESTRUCTOR
449	# ----------------------------------------------------------------------
450	itcl::body Rappture::VtkGlyphViewer::destructor {} {
451	Disconnect
452	image delete $_image(plot)
453	image delete $_image(download)
454	catch { blt::arcball destroy $_arcball }
455	}
456
457	itcl::body Rappture::VtkGlyphViewer::SetupMouseRotationBindings {} {
458	# Bindings for rotation via mouse
459	bind $itk_component(view) <ButtonPress-1> \
460	[itcl::code $this Rotate click %x %y]
461	bind $itk_component(view) <B1-Motion> \
462	[itcl::code $this Rotate drag %x %y]
463	bind $itk_component(view) <ButtonRelease-1> \
464	[itcl::code $this Rotate release %x %y]
465	}
466
467	itcl::body Rappture::VtkGlyphViewer::DisableMouseRotationBindings {} {
468	# Bindings for rotation via mouse
469	bind $itk_component(view) <ButtonPress-1> ""
470	bind $itk_component(view) <B1-Motion> ""
471	bind $itk_component(view) <ButtonRelease-1> ""
472	}
473
474	itcl::body Rappture::VtkGlyphViewer::SetupMousePanningBindings {} {
475	# Bindings for panning via mouse
476	bind $itk_component(view) <ButtonPress-2> \
477	[itcl::code $this Pan click %x %y]
478	bind $itk_component(view) <B2-Motion> \
479	[itcl::code $this Pan drag %x %y]
480	bind $itk_component(view) <ButtonRelease-2> \
481	[itcl::code $this Pan release %x %y]
482	}
483
484	itcl::body Rappture::VtkGlyphViewer::SetupMouseZoomBindings {} {
485	if {[string equal "x11" [tk windowingsystem]]} {
486	# Bindings for zoom via mouse
487	bind $itk_component(view) <4> [itcl::code $this Zoom out]
488	bind $itk_component(view) <5> [itcl::code $this Zoom in]
489	}
490	}
491
492	itcl::body Rappture::VtkGlyphViewer::SetupKeyboardBindings {} {
493	# Bindings for panning via keyboard
494	bind $itk_component(view) <KeyPress-Left> \
495	[itcl::code $this Pan set -10 0]
496	bind $itk_component(view) <KeyPress-Right> \
497	[itcl::code $this Pan set 10 0]
498	bind $itk_component(view) <KeyPress-Up> \
499	[itcl::code $this Pan set 0 -10]
500	bind $itk_component(view) <KeyPress-Down> \
501	[itcl::code $this Pan set 0 10]
502	bind $itk_component(view) <Shift-KeyPress-Left> \
503	[itcl::code $this Pan set -2 0]
504	bind $itk_component(view) <Shift-KeyPress-Right> \
505	[itcl::code $this Pan set 2 0]
506	bind $itk_component(view) <Shift-KeyPress-Up> \
507	[itcl::code $this Pan set 0 -2]
508	bind $itk_component(view) <Shift-KeyPress-Down> \
509	[itcl::code $this Pan set 0 2]
510
511	# Bindings for zoom via keyboard
512	bind $itk_component(view) <KeyPress-Prior> \
513	[itcl::code $this Zoom out]
514	bind $itk_component(view) <KeyPress-Next> \
515	[itcl::code $this Zoom in]
516
517	bind $itk_component(view) <Enter> "focus $itk_component(view)"
518	}
519
520	itcl::body Rappture::VtkGlyphViewer::DoResize {} {
521	if { $_width < 2 } {
522	set _width 500
523	}
524	if { $_height < 2 } {
525	set _height 500
526	}
527	set _start [clock clicks -milliseconds]
528	SendCmd "screen size $_width $_height"
529
530	EventuallyRequestLegend
531	set _resizePending 0
532	}
533
534	itcl::body Rappture::VtkGlyphViewer::DoRotate {} {
535	SendCmd "camera orient [ViewToQuaternion]"
536	set _rotatePending 0
537	}
538
539	itcl::body Rappture::VtkGlyphViewer::EventuallyRequestLegend {} {
540	if { !$_legendPending } {
541	set _legendPending 1
542	$_dispatcher event -idle !legend
543	}
544	}
545
546	itcl::body Rappture::VtkGlyphViewer::EventuallyResize { w h } {
547	set _width $w
548	set _height $h
549	$_arcball resize $w $h
550	if { !$_resizePending } {
551	set _resizePending 1
552	$_dispatcher event -after 400 !resize
553	}
554	}
555
556	set rotate_delay 100
557
558	itcl::body Rappture::VtkGlyphViewer::EventuallyRotate { q } {
559	QuaternionToView $q
560	if { !$_rotatePending } {
561	set _rotatePending 1
562	global rotate_delay
563	$_dispatcher event -after $rotate_delay !rotate
564	}
565	}
566
567	itcl::body Rappture::VtkGlyphViewer::EventuallySetCutplane { axis args } {
568	if { !$_cutplanePending } {
569	set _cutplanePending 1
570	$_dispatcher event -after 100 !${axis}cutplane
571	}
572	}
573
574	# ----------------------------------------------------------------------
575	# USAGE: add <dataobj> ?<settings>?
576	#
577	# Clients use this to add a data object to the plot. The optional
578	# <settings> are used to configure the plot. Allowed settings are
579	# -color, -brightness, -width, -linestyle, and -raise.
580	# ----------------------------------------------------------------------
581	itcl::body Rappture::VtkGlyphViewer::add {dataobj {settings ""}} {
582	if { ![$dataobj isvalid] } {
583	return; # Object doesn't contain valid data.
584	}
585	array set params {
586	-color auto
587	-width 1
588	-linestyle solid
589	-brightness 0
590	-raise 0
591	-description ""
592	-param ""
593	-type ""
594	}
595	array set params $settings
596	set params(-description) ""
597	set params(-param) ""
598	array set params $settings
599
600	if {$params(-color) == "auto" \|\| $params(-color) == "autoreset"} {
601	# can't handle -autocolors yet
602	set params(-color) black
603	}
604	set pos [lsearch -exact $_dlist $dataobj]
605	if {$pos < 0} {
606	lappend _dlist $dataobj
607	}
608	set _obj2ovride($dataobj-color) $params(-color)
609	set _obj2ovride($dataobj-width) $params(-width)
610	set _obj2ovride($dataobj-raise) $params(-raise)
611	$_dispatcher event -idle !rebuild
612	}
613
614	# ----------------------------------------------------------------------
615	# USAGE: delete ?<dataobj1> <dataobj2> ...?
616	#
617	# Clients use this to delete a dataobj from the plot. If no dataobjs
618	# are specified, then all dataobjs are deleted. No data objects are
619	# deleted. They are only removed from the display list.
620	# ----------------------------------------------------------------------
621	itcl::body Rappture::VtkGlyphViewer::delete {args} {
622	if { [llength $args] == 0} {
623	set args $_dlist
624	}
625	# Delete all specified dataobjs
626	set changed 0
627	foreach dataobj $args {
628	set pos [lsearch -exact $_dlist $dataobj]
629	if { $pos < 0 } {
630	continue; # Don't know anything about it.
631	}
632	# Remove it from the dataobj list.
633	set _dlist [lreplace $_dlist $pos $pos]
634	array unset _obj2ovride $dataobj-*
635	array unset _settings $dataobj-*
636	set changed 1
637	}
638	# If anything changed, then rebuild the plot
639	if { $changed } {
640	$_dispatcher event -idle !rebuild
641	}
642	}
643
644	# ----------------------------------------------------------------------
645	# USAGE: get ?-objects?
646	# USAGE: get ?-visible?
647	# USAGE: get ?-image view?
648	#
649	# Clients use this to query the list of objects being plotted, in
650	# order from bottom to top of this result. The optional "-image"
651	# flag can also request the internal images being shown.
652	# ----------------------------------------------------------------------
653	itcl::body Rappture::VtkGlyphViewer::get {args} {
654	if {[llength $args] == 0} {
655	set args "-objects"
656	}
657
658	set op [lindex $args 0]
659	switch -- $op {
660	"-objects" {
661	# put the dataobj list in order according to -raise options
662	set dlist {}
663	foreach dataobj $_dlist {
664	if { ![IsValidObject $dataobj] } {
665	continue
666	}
667	if {[info exists _obj2ovride($dataobj-raise)] &&
668	$_obj2ovride($dataobj-raise)} {
669	set dlist [linsert $dlist 0 $dataobj]
670	} else {
671	lappend dlist $dataobj
672	}
673	}
674	return $dlist
675	}
676	"-visible" {
677	set dlist {}
678	foreach dataobj $_dlist {
679	if { ![IsValidObject $dataobj] } {
680	continue
681	}
682	if { ![info exists _obj2ovride($dataobj-raise)] } {
683	# No setting indicates that the object isn't visible.
684	continue
685	}
686	# Otherwise use the -raise parameter to put the object to
687	# the front of the list.
688	if { $_obj2ovride($dataobj-raise) } {
689	set dlist [linsert $dlist 0 $dataobj]
690	} else {
691	lappend dlist $dataobj
692	}
693	}
694	return $dlist
695	}
696	-image {
697	if {[llength $args] != 2} {
698	error "wrong # args: should be \"get -image view\""
699	}
700	switch -- [lindex $args end] {
701	view {
702	return $_image(plot)
703	}
704	default {
705	error "bad image name \"[lindex $args end]\": should be view"
706	}
707	}
708	}
709	default {
710	error "bad option \"$op\": should be -objects or -image"
711	}
712	}
713	}
714
715	# ----------------------------------------------------------------------
716	# USAGE: scale ?<data1> <data2> ...?
717	#
718	# Sets the default limits for the overall plot according to the
719	# limits of the data for all of the given <data> objects. This
720	# accounts for all objects--even those not showing on the screen.
721	# Because of this, the limits are appropriate for all objects as
722	# the user scans through data in the ResultSet viewer.
723	# ----------------------------------------------------------------------
724	itcl::body Rappture::VtkGlyphViewer::scale { args } {
725	foreach dataobj $args {
726	if { ![$dataobj isvalid] } {
727	continue; # Object doesn't contain valid data.
728	}
729	foreach axis { x y z } {
730	set lim [$dataobj limits $axis]
731	if { ![info exists _limits($axis)] } {
732	set _limits($axis) $lim
733	continue
734	}
735	foreach {min max} $lim break
736	foreach {amin amax} $_limits($axis) break
737	if { $amin > $min } {
738	set amin $min
739	}
740	if { $amax < $max } {
741	set amax $max
742	}
743	set _limits($axis) [list $amin $amax]
744	}
745	foreach { fname lim } [$dataobj fieldlimits] {
746	if { ![info exists _limits($fname)] } {
747	set _limits($fname) $lim
748
749	# set reasonable defaults for
750	# customrangevmin and customrangevmax
751	foreach {min max} $lim break
752	SetMinMaxGauges $min $max
753	set _settings(-customrangemin) $min
754	set _settings(-customrangemax) $max
755
756	continue
757	}
758	foreach {min max} $lim break
759	foreach {fmin fmax} $_limits($fname) break
760	if { ! $_settings(-customrange) } {
761	SetMinMaxGauges $fmin $fmax
762	}
763	if { $fmin > $min } {
764	set fmin $min
765	}
766	if { $fmax < $max } {
767	set fmax $max
768	}
769	set _limits($fname) [list $fmin $fmax]
770	}
771	}
772	}
773
774	# ----------------------------------------------------------------------
775	# USAGE: download coming
776	# USAGE: download controls <downloadCommand>
777	# USAGE: download now
778	#
779	# Clients use this method to create a downloadable representation
780	# of the plot. Returns a list of the form {ext string}, where
781	# "ext" is the file extension (indicating the type of data) and
782	# "string" is the data itself.
783	# ----------------------------------------------------------------------
784	itcl::body Rappture::VtkGlyphViewer::download {option args} {
785	switch $option {
786	coming {
787	if {[catch {
788	blt::winop snap $itk_component(plotarea) $_image(download)
789	}]} {
790	$_image(download) configure -width 1 -height 1
791	$_image(download) put #000000
792	}
793	}
794	controls {
795	set popup .vtkviewerdownload
796	if { ![winfo exists .vtkviewerdownload] } {
797	set inner [BuildDownloadPopup $popup [lindex $args 0]]
798	} else {
799	set inner [$popup component inner]
800	}
801	set _downloadPopup(image_controls) $inner.image_frame
802	set num [llength [get]]
803	set num [expr {($num == 1) ? "1 result" : "$num results"}]
804	set word [Rappture::filexfer::label downloadWord]
805	$inner.summary configure -text "$word $num in the following format:"
806	update idletasks ;# Fix initial sizes
807	return $popup
808	}
809	now {
810	set popup .vtkviewerdownload
811	if {[winfo exists .vtkviewerdownload]} {
812	$popup deactivate
813	}
814	switch -- $_downloadPopup(format) {
815	"image" {
816	return [$this GetImage [lindex $args 0]]
817	}
818	"vtk" {
819	return [$this GetVtkData [lindex $args 0]]
820	}
821	}
822	return ""
823	}
824	default {
825	error "bad option \"$option\": should be coming, controls, now"
826	}
827	}
828	}
829
830	# ----------------------------------------------------------------------
831	# USAGE: Connect ?<host:port>,<host:port>...?
832	#
833	# Clients use this method to establish a connection to a new
834	# server, or to reestablish a connection to the previous server.
835	# Any existing connection is automatically closed.
836	# ----------------------------------------------------------------------
837	itcl::body Rappture::VtkGlyphViewer::Connect {} {
838	set _hosts [GetServerList "vtkvis"]
839	if { "" == $_hosts } {
840	return 0
841	}
842	set _reset 1
843	set result [VisViewer::Connect $_hosts]
844	if { $result } {
845	if { $_reportClientInfo } {
846	# Tell the server the viewer, hub, user and session.
847	# Do this immediately on connect before buffering any commands
848	global env
849
850	set info {}
851	set user "???"
852	if { [info exists env(USER)] } {
853	set user $env(USER)
854	}
855	set session "???"
856	if { [info exists env(SESSION)] } {
857	set session $env(SESSION)
858	}
859	lappend info "version" "$Rappture::version"
860	lappend info "build" "$Rappture::build"
861	lappend info "svnurl" "$Rappture::svnurl"
862	lappend info "installdir" "$Rappture::installdir"
863	lappend info "hub" [exec hostname]
864	lappend info "client" "vtkglyphviewer"
865	lappend info "user" $user
866	lappend info "session" $session
867	SendCmd "clientinfo [list $info]"
868	}
869
870	set w [winfo width $itk_component(view)]
871	set h [winfo height $itk_component(view)]
872	EventuallyResize $w $h
873	}
874	return $result
875	}
876
877	#
878	# isconnected --
879	#
880	# Indicates if we are currently connected to the visualization server.
881	#
882	itcl::body Rappture::VtkGlyphViewer::isconnected {} {
883	return [VisViewer::IsConnected]
884	}
885
886	#
887	# disconnect --
888	#
889	itcl::body Rappture::VtkGlyphViewer::disconnect {} {
890	Disconnect
891	set _reset 1
892	}
893
894	#
895	# Disconnect --
896	#
897	# Clients use this method to disconnect from the current rendering server.
898	#
899	itcl::body Rappture::VtkGlyphViewer::Disconnect {} {
900	VisViewer::Disconnect
901
902	$_dispatcher cancel !rebuild
903	$_dispatcher cancel !resize
904	$_dispatcher cancel !rotate
905	$_dispatcher cancel !xcutplane
906	$_dispatcher cancel !ycutplane
907	$_dispatcher cancel !zcutplane
908	$_dispatcher cancel !legend
909	# disconnected -- no more data sitting on server
910	array unset _datasets
911	array unset _colormaps
912	}
913
914	# ----------------------------------------------------------------------
915	# USAGE: ReceiveImage -bytes <size> -type <type> -token <token>
916	#
917	# Invoked automatically whenever the "image" command comes in from
918	# the rendering server. Indicates that binary image data with the
919	# specified <size> will follow.
920	# ----------------------------------------------------------------------
921	itcl::body Rappture::VtkGlyphViewer::ReceiveImage { args } {
922	array set info {
923	-token "???"
924	-bytes 0
925	-type image
926	}
927	array set info $args
928	set bytes [ReceiveBytes $info(-bytes)]
929	if { $info(-type) == "image" } {
930	if 0 {
931	set f [open "last.ppm" "w"]
932	fconfigure $f -encoding binary
933	puts -nonewline $f $bytes
934	close $f
935	}
936	$_image(plot) configure -data $bytes
937	#set time [clock seconds]
938	#set date [clock format $time]
939	#set w [image width $_image(plot)]
940	#set h [image height $_image(plot)]
941	#puts stderr "$date: received image ${w}x${h} image"
942	if { $_start > 0 } {
943	set finish [clock clicks -milliseconds]
944	#puts stderr "round trip time [expr $finish -$_start] milliseconds"
945	set _start 0
946	}
947	} elseif { $info(type) == "print" } {
948	set tag $this-print-$info(-token)
949	set _hardcopy($tag) $bytes
950	}
951	}
952
953	#
954	# ReceiveDataset --
955	#
956	itcl::body Rappture::VtkGlyphViewer::ReceiveDataset { args } {
957	if { ![isconnected] } {
958	return
959	}
960	set option [lindex $args 0]
961	switch -- $option {
962	"scalar" {
963	set option [lindex $args 1]
964	switch -- $option {
965	"world" {
966	foreach { x y z value tag } [lrange $args 2 end] break
967	}
968	"pixel" {
969	foreach { x y value tag } [lrange $args 2 end] break
970	}
971	}
972	}
973	"vector" {
974	set option [lindex $args 1]
975	switch -- $option {
976	"world" {
977	foreach { x y z vx vy vz tag } [lrange $args 2 end] break
978	}
979	"pixel" {
980	foreach { x y vx vy vz tag } [lrange $args 2 end] break
981	}
982	}
983	}
984	"names" {
985	foreach { name } [lindex $args 1] {
986	#puts stderr "Dataset: $name"
987	}
988	}
989	default {
990	error "unknown dataset option \"$option\" from server"
991	}
992	}
993	}
994
995	# ----------------------------------------------------------------------
996	# USAGE: Rebuild
997	#
998	# Called automatically whenever something changes that affects the
999	# data in the widget. Clears any existing data and rebuilds the
1000	# widget to display new data.
1001	# ----------------------------------------------------------------------
1002	itcl::body Rappture::VtkGlyphViewer::Rebuild {} {
1003	set w [winfo width $itk_component(view)]
1004	set h [winfo height $itk_component(view)]
1005	if { $w < 2 \|\| $h < 2 } {
1006	update
1007	$_dispatcher event -idle !rebuild
1008	return
1009	}
1010
1011	# Turn on buffering of commands to the server. We don't want to
1012	# be preempted by a server disconnect/reconnect (which automatically
1013	# generates a new call to Rebuild).
1014	StartBufferingCommands
1015
1016	if { $_reset } {
1017	set _width $w
1018	set _height $h
1019	$_arcball resize $w $h
1020	DoResize
1021
1022	# Reset the camera and other view parameters
1023	$_arcball quaternion [ViewToQuaternion]
1024	InitSettings -ortho
1025	DoRotate
1026	PanCamera
1027	set _first ""
1028	InitSettings -background \
1029	-xgrid -ygrid -zgrid -axismode \
1030	-axesvisible -axislabels -axisminorticks
1031	#SendCmd "axis lformat all %g"
1032	StopBufferingCommands
1033	SendCmd "imgflush"
1034	StartBufferingCommands
1035	}
1036	set _first ""
1037	SendCmd "dataset visible 0"
1038	eval scale $_dlist
1039	foreach dataobj [get -objects] {
1040	if { [info exists _obj2ovride($dataobj-raise)] && $_first == "" } {
1041	set _first $dataobj
1042	SetCurrentFieldName $dataobj
1043	}
1044	foreach comp [$dataobj components] {
1045	set tag $dataobj-$comp
1046	if { ![info exists _datasets($tag)] } {
1047	set bytes [$dataobj vtkdata $comp]
1048	if 0 {
1049	set f [open "/tmp/glyph.vtk" "w"]
1050	fconfigure $f -translation binary -encoding binary
1051	puts -nonewline $f $bytes
1052	close $f
1053	}
1054	set length [string length $bytes]
1055	if { $_reportClientInfo } {
1056	set info {}
1057	lappend info "tool_id" [$dataobj hints toolid]
1058	lappend info "tool_name" [$dataobj hints toolname]
1059	lappend info "tool_title" [$dataobj hints tooltitle]
1060	lappend info "tool_command" [$dataobj hints toolcommand]
1061	lappend info "tool_revision" [$dataobj hints toolrevision]
1062	lappend info "dataset_label" [$dataobj hints label]
1063	lappend info "dataset_size" $length
1064	lappend info "dataset_tag" $tag
1065	SendCmd "clientinfo [list $info]"
1066	}
1067	SendCmd "dataset add $tag data follows $length"
1068	SendData $bytes
1069	set _datasets($tag) 1
1070	SetObjectStyle $dataobj $comp
1071	}
1072	if { [info exists _obj2ovride($dataobj-raise)] } {
1073	SendCmd "glyphs visible 1 $tag"
1074	}
1075	}
1076	}
1077
1078	InitSettings -glyphsvisible -outline
1079	#-cutplanesvisible
1080	if { $_reset } {
1081	# These are settings that rely on a dataset being loaded.
1082	InitSettings \
1083	-field -range \
1084	-glyphedges -glyphlighting -glyphnormscale -glyphopacity \
1085	-glyphorient -glyphscale -glyphscalemode -glyphshape -glyphwireframe
1086
1087	#-xcutplaneposition -ycutplaneposition -zcutplaneposition \
1088	-xcutplanevisible -ycutplanevisible -zcutplanevisible \
1089	-cutplanepreinterp
1090
1091	Zoom reset
1092	foreach axis { x y z } {
1093	set label ""
1094	if { $_first != "" } {
1095	set label [$_first hints ${axis}label]
1096	}
1097	if { $label == "" } {
1098	set label [string toupper $axis]
1099	}
1100	# There may be a space in the axis label.
1101	SendCmd [list axis name $axis $label]
1102	}
1103	if { [array size _fields] < 2 } {
1104	catch {blt::table forget $itk_component(field) $itk_component(field_l)}
1105	}
1106	set _reset 0
1107	}
1108	#DrawLegend
1109
1110	# Actually write the commands to the server socket. If it fails, we don't
1111	# care. We're finished here.
1112	blt::busy hold $itk_component(hull)
1113	StopBufferingCommands; # Turn off buffering and send commands.
1114	blt::busy release $itk_component(hull)
1115	}
1116
1117	# ----------------------------------------------------------------------
1118	# USAGE: CurrentDatasets ?-all -visible? ?dataobjs?
1119	#
1120	# Returns a list of server IDs for the current datasets being displayed. This
1121	# is normally a single ID, but it might be a list of IDs if the current data
1122	# object has multiple components.
1123	# ----------------------------------------------------------------------
1124	itcl::body Rappture::VtkGlyphViewer::CurrentDatasets {args} {
1125	set flag [lindex $args 0]
1126	switch -- $flag {
1127	"-all" {
1128	if { [llength $args] > 1 } {
1129	error "CurrentDatasets: can't specify dataobj after \"-all\""
1130	}
1131	set dlist [get -objects]
1132	}
1133	"-visible" {
1134	if { [llength $args] > 1 } {
1135	set dlist {}
1136	set args [lrange $args 1 end]
1137	foreach dataobj $args {
1138	if { [info exists _obj2ovride($dataobj-raise)] } {
1139	lappend dlist $dataobj
1140	}
1141	}
1142	} else {
1143	set dlist [get -visible]
1144	}
1145	}
1146	default {
1147	set dlist $args
1148	}
1149	}
1150	set rlist ""
1151	foreach dataobj $dlist {
1152	foreach comp [$dataobj components] {
1153	set tag $dataobj-$comp
1154	if { [info exists _datasets($tag)] && $_datasets($tag) } {
1155	lappend rlist $tag
1156	}
1157	}
1158	}
1159	return $rlist
1160	}
1161
1162	# ----------------------------------------------------------------------
1163	# USAGE: Zoom in
1164	# USAGE: Zoom out
1165	# USAGE: Zoom reset
1166	#
1167	# Called automatically when the user clicks on one of the zoom
1168	# controls for this widget. Changes the zoom for the current view.
1169	# ----------------------------------------------------------------------
1170	itcl::body Rappture::VtkGlyphViewer::Zoom {option} {
1171	switch -- $option {
1172	"in" {
1173	set _view(-zoom) [expr {$_view(-zoom)*1.25}]
1174	SendCmd "camera zoom $_view(-zoom)"
1175	}
1176	"out" {
1177	set _view(-zoom) [expr {$_view(-zoom)*0.8}]
1178	SendCmd "camera zoom $_view(-zoom)"
1179	}
1180	"reset" {
1181	array set _view {
1182	-qw 0.853553
1183	-qx -0.353553
1184	-qy 0.353553
1185	-qz 0.146447
1186	-xpan 0
1187	-ypan 0
1188	-zoom 1.0
1189	}
1190	if { $_first != "" } {
1191	set location [$_first hints camera]
1192	if { $location != "" } {
1193	array set _view $location
1194	}
1195	}
1196	$_arcball quaternion [ViewToQuaternion]
1197	DoRotate
1198	SendCmd "camera reset"
1199	}
1200	}
1201	}
1202
1203	itcl::body Rappture::VtkGlyphViewer::PanCamera {} {
1204	set x $_view(-xpan)
1205	set y $_view(-ypan)
1206	SendCmd "camera pan $x $y"
1207	}
1208
1209	# ----------------------------------------------------------------------
1210	# USAGE: Rotate click <x> <y>
1211	# USAGE: Rotate drag <x> <y>
1212	# USAGE: Rotate release <x> <y>
1213	#
1214	# Called automatically when the user clicks/drags/releases in the
1215	# plot area. Moves the plot according to the user's actions.
1216	# ----------------------------------------------------------------------
1217	itcl::body Rappture::VtkGlyphViewer::Rotate {option x y} {
1218	switch -- $option {
1219	"click" {
1220	$itk_component(view) configure -cursor fleur
1221	set _click(x) $x
1222	set _click(y) $y
1223	}
1224	"drag" {
1225	if {[array size _click] == 0} {
1226	Rotate click $x $y
1227	} else {
1228	set w [winfo width $itk_component(view)]
1229	set h [winfo height $itk_component(view)]
1230	if {$w <= 0 \|\| $h <= 0} {
1231	return
1232	}
1233
1234	if {[catch {
1235	# this fails sometimes for no apparent reason
1236	set dx [expr {double($x-$_click(x))/$w}]
1237	set dy [expr {double($y-$_click(y))/$h}]
1238	}]} {
1239	return
1240	}
1241	if { $dx == 0 && $dy == 0 } {
1242	return
1243	}
1244	set q [$_arcball rotate $x $y $_click(x) $_click(y)]
1245	EventuallyRotate $q
1246	set _click(x) $x
1247	set _click(y) $y
1248	}
1249	}
1250	"release" {
1251	Rotate drag $x $y
1252	$itk_component(view) configure -cursor ""
1253	catch {unset _click}
1254	}
1255	default {
1256	error "bad option \"$option\": should be click, drag, release"
1257	}
1258	}
1259	}
1260
1261	itcl::body Rappture::VtkGlyphViewer::Pick {x y} {
1262	foreach tag [CurrentDatasets -visible] {
1263	SendCmd "dataset getscalar pixel $x $y $tag"
1264	}
1265	}
1266
1267	# ----------------------------------------------------------------------
1268	# USAGE: $this Pan click x y
1269	# $this Pan drag x y
1270	# $this Pan release x y
1271	#
1272	# Called automatically when the user clicks on one of the zoom
1273	# controls for this widget. Changes the zoom for the current view.
1274	# ----------------------------------------------------------------------
1275	itcl::body Rappture::VtkGlyphViewer::Pan {option x y} {
1276	switch -- $option {
1277	"set" {
1278	set w [winfo width $itk_component(view)]
1279	set h [winfo height $itk_component(view)]
1280	set x [expr $x / double($w)]
1281	set y [expr $y / double($h)]
1282	set _view(-xpan) [expr $_view(-xpan) + $x]
1283	set _view(-ypan) [expr $_view(-ypan) + $y]
1284	PanCamera
1285	return
1286	}
1287	"click" {
1288	set _click(x) $x
1289	set _click(y) $y
1290	$itk_component(view) configure -cursor hand1
1291	}
1292	"drag" {
1293	if { ![info exists _click(x)] } {
1294	set _click(x) $x
1295	}
1296	if { ![info exists _click(y)] } {
1297	set _click(y) $y
1298	}
1299	set w [winfo width $itk_component(view)]
1300	set h [winfo height $itk_component(view)]
1301	set dx [expr ($_click(x) - $x)/double($w)]
1302	set dy [expr ($_click(y) - $y)/double($h)]
1303	set _click(x) $x
1304	set _click(y) $y
1305	set _view(-xpan) [expr $_view(-xpan) - $dx]
1306	set _view(-ypan) [expr $_view(-ypan) - $dy]
1307	PanCamera
1308	}
1309	"release" {
1310	Pan drag $x $y
1311	$itk_component(view) configure -cursor ""
1312	}
1313	default {
1314	error "unknown option \"$option\": should set, click, drag, or release"
1315	}
1316	}
1317	}
1318
1319	# ----------------------------------------------------------------------
1320	# USAGE: InitSettings <what> ?<value>?
1321	#
1322	# Used internally to update rendering settings whenever parameters
1323	# change in the popup settings panel. Sends the new settings off
1324	# to the back end.
1325	# ----------------------------------------------------------------------
1326	itcl::body Rappture::VtkGlyphViewer::InitSettings { args } {
1327	foreach spec $args {
1328	if { [info exists _settings($_first${spec})] } {
1329	# Reset global setting with dataobj specific setting
1330	set _settings($spec) $_settings($_first${spec})
1331	}
1332	AdjustSetting $spec
1333	}
1334	}
1335
1336	#
1337	# AdjustSetting --
1338	#
1339	# Changes/updates a specific setting in the widget. There are
1340	# usually user-setable option. Commands are sent to the render
1341	# server.
1342	#
1343	itcl::body Rappture::VtkGlyphViewer::AdjustSetting {what {value ""}} {
1344	DebugTrace "Enter"
1345	if { ![isconnected] } {
1346	DebugTrace "Not connected"
1347	return
1348	}
1349	switch -- $what {
1350	"-axesvisible" {
1351	set bool $_settings($what)
1352	SendCmd "axis visible all $bool"
1353	}
1354	"-axislabels" {
1355	set bool $_settings($what)
1356	SendCmd "axis labels all $bool"
1357	}
1358	"-axisminorticks" {
1359	set bool $_settings($what)
1360	SendCmd "axis minticks all $bool"
1361	}
1362	"-axismode" {
1363	set mode [$itk_component(axisMode) value]
1364	set mode [$itk_component(axisMode) translate $mode]
1365	set _settings($what) $mode
1366	SendCmd "axis flymode $mode"
1367	}
1368	"-background" {
1369	set bgcolor [$itk_component(background) value]
1370	array set fgcolors {
1371	"black" "white"
1372	"white" "black"
1373	"grey" "black"
1374	}
1375	configure -plotbackground $bgcolor \
1376	-plotforeground $fgcolors($bgcolor)
1377	$itk_component(view) delete "legend"
1378	DrawLegend
1379	}
1380	"-colormap" {
1381	set _changed($what) 1
1382	StartBufferingCommands
1383	set color [$itk_component(colormap) value]
1384	set _settings($what) $color
1385	if { $color == "none" } {
1386	if { $_settings(-colormapvisible) } {
1387	SendCmd "glyphs colormode constant {}"
1388	set _settings(-colormapvisible) 0
1389	}
1390	} else {
1391	if { !$_settings(-colormapvisible) } {
1392	SendCmd "glyphs colormode $_colorMode $_curFldName"
1393	set _settings(-colormapvisible) 1
1394	}
1395	SetCurrentColormap $color
1396	}
1397	StopBufferingCommands
1398	EventuallyRequestLegend
1399	}
1400	"-cutplaneedges" {
1401	set _changed($what) 1
1402	set bool $_settings($what)
1403	SendCmd "cutplane edges $bool"
1404	}
1405	"-cutplanelighting" {
1406	set _changed($what) 1
1407	set bool $_settings($what)
1408	SendCmd "cutplane lighting $bool"
1409	}
1410	"-cutplaneopacity" {
1411	set _changed($what) 1
1412	set _settings($what) [expr $_widget($what) * 0.01]
1413	SendCmd "cutplane opacity $_settings($what)"
1414	}
1415	"-cutplanepreinterp" {
1416	set _changed($what) 1
1417	set bool $_settings($what)
1418	SendCmd "cutplane preinterp $bool"
1419	}
1420	"-cutplanesvisible" {
1421	set _changed($what) 1
1422	set bool $_settings($what)
1423	SendCmd "cutplane visible 0"
1424	if { $bool } {
1425	foreach tag [CurrentDatasets -visible] {
1426	SendCmd "cutplane visible $bool $tag"
1427	}
1428	}
1429	if { $bool } {
1430	Rappture::Tooltip::for $itk_component(cutplane) \
1431	"Hide the cutplanes"
1432	} else {
1433	Rappture::Tooltip::for $itk_component(cutplane) \
1434	"Show the cutplanes"
1435	}
1436	}
1437	"-cutplanewireframe" {
1438	set _changed($what) 1
1439	set bool $_settings($what)
1440	SendCmd "cutplane wireframe $bool"
1441	}
1442	"-field" {
1443	set label [$itk_component(field) value]
1444	set fname [$itk_component(field) translate $label]
1445	set _settings($what) $fname
1446	if { [info exists _fields($fname)] } {
1447	foreach { label units components } $_fields($fname) break
1448	if { $components > 1 } {
1449	set _colorMode vmag
1450	} else {
1451	set _colorMode scalar
1452	}
1453	set _curFldName $fname
1454	set _curFldLabel $label
1455	set _curFldComp $components
1456	} else {
1457	puts stderr "unknown field \"$fname\""
1458	return
1459	}
1460	if { ![info exists _limits($_curFldName)] } {
1461	SendCmd "dataset maprange all"
1462	} else {
1463	if { $_settings(-customrange) } {
1464	set vmin [$itk_component(min) value]
1465	set vmax [$itk_component(max) value]
1466	} else {
1467	foreach { vmin vmax } $_limits($_curFldName) break
1468	# set the min / max gauges with limits from the field
1469	# the legend's min and max text will be updated
1470	# when the legend is redrawn in DrawLegend
1471	SetMinMaxGauges $vmin $vmax
1472	}
1473	SendCmd "dataset maprange explicit $vmin $vmax $_curFldName point_data $_curFldComp"
1474	}
1475	#SendCmd "cutplane colormode $_colorMode $_curFldName"
1476	SendCmd "glyphs colormode $_colorMode $_curFldName"
1477	DrawLegend
1478	}
1479	"-glyphedges" {
1480	set _changed($what) 1
1481	set bool $_settings($what)
1482	SendCmd "glyphs edges $bool"
1483	}
1484	"-glyphlighting" {
1485	set _changed($what) 1
1486	set bool $_settings($what)
1487	SendCmd "glyphs lighting $bool"
1488	}
1489	"-glyphnormscale" {
1490	set _changed($what) 1
1491	set bool $_settings($what)
1492	SendCmd "glyphs normscale $bool"
1493	}
1494	"-glyphopacity" {
1495	set _changed($what) 1
1496	set _settings($what) [expr $_widget($what) * 0.01]
1497	SendCmd "glyphs opacity $_settings($what)"
1498	}
1499	"-glyphorient" {
1500	set _changed($what) 1
1501	set bool $_settings($what)
1502	SendCmd "glyphs gorient $bool {}"
1503	}
1504	"-glyphscale" {
1505	set _changed($what) 1
1506	set val $_settings($what)
1507	if { [string is double $val] } {
1508	SendCmd "glyphs gscale $val"
1509	}
1510	}
1511	"-glyphscalemode" {
1512	set _changed($what) 1
1513	set label [$itk_component(scaleMode) value]
1514	set mode [$itk_component(scaleMode) translate $label]
1515	set _settings($what) $mode
1516	SendCmd "glyphs smode $mode {}"
1517	}
1518	"-glyphshape" {
1519	set _changed($what) 1
1520	set label [$itk_component(gshape) value]
1521	set shape [$itk_component(gshape) translate $label]
1522	set _settings($what) $shape
1523	SendCmd "glyphs shape $shape"
1524	}
1525	"-glyphsvisible" {
1526	set _changed($what) 1
1527	set bool $_settings($what)
1528	SendCmd "glyphs visible 0"
1529	if { $bool } {
1530	foreach tag [CurrentDatasets -visible] {
1531	SendCmd "glyphs visible $bool $tag"
1532	}
1533	Rappture::Tooltip::for $itk_component(glyphs) \
1534	"Hide the glyphs"
1535	} else {
1536	Rappture::Tooltip::for $itk_component(glyphs) \
1537	"Show the glyphs"
1538	}
1539	DrawLegend
1540	}
1541	"-glyphwireframe" {
1542	set _changed($what) 1
1543	set bool $_settings($what)
1544	SendCmd "glyphs wireframe $bool"
1545	}
1546	"-legendvisible" {
1547	if { !$_settings($what) } {
1548	$itk_component(view) delete legend
1549	}
1550	DrawLegend
1551	}
1552	"-ortho" {
1553	set bool $_view($what)
1554	if { $bool } {
1555	SendCmd "camera mode ortho"
1556	} else {
1557	SendCmd "camera mode persp"
1558	}
1559	}
1560	"-outline" {
1561	set _changed($what) 1
1562	set bool $_settings($what)
1563	SendCmd "outline visible 0"
1564	if { $bool } {
1565	foreach tag [CurrentDatasets -visible] {
1566	SendCmd "outline visible $bool $tag"
1567	}
1568	}
1569	}
1570	"-range" {
1571	if { $_settings(-customrange) } {
1572	set vmin [$itk_component(min) value]
1573	set vmax [$itk_component(max) value]
1574	} else {
1575	foreach { vmin vmax } $_limits($_curFldName) break
1576	}
1577	SendCmd "dataset maprange explicit $vmin $vmax $_curFldName point_data $_curFldComp"
1578	DrawLegend
1579	}
1580	"-xcutplanevisible" - "-ycutplanevisible" - "-zcutplanevisible" {
1581	set _changed($what) 1
1582	set axis [string tolower [string range $what 1 1]]
1583	set bool $_settings($what)
1584	if { $bool } {
1585	$itk_component(${axis}position) configure -state normal \
1586	-troughcolor white
1587	} else {
1588	$itk_component(${axis}position) configure -state disabled \
1589	-troughcolor grey82
1590	}
1591	SendCmd "cutplane axis $axis $bool"
1592	}
1593	"-xcutplaneposition" - "-ycutplaneposition" - "-zcutplaneposition" {
1594	set _changed($what) 1
1595	set axis [string tolower [string range $what 1 1]]
1596	set pos [expr $_settings($what) * 0.01]
1597	SendCmd "cutplane slice ${axis} ${pos}"
1598	set _cutplanePending 0
1599	}
1600	"-xgrid" - "-ygrid" - "-zgrid" {
1601	set axis [string tolower [string range $what 1 1]]
1602	set bool $_settings($what)
1603	SendCmd "axis grid $axis $bool"
1604	}
1605	default {
1606	error "don't know how to fix $what"
1607	}
1608	}
1609	}
1610
1611	#
1612	# RequestLegend --
1613	#
1614	# Request a new legend from the server. The size of the legend
1615	# is determined from the height of the canvas.
1616	#
1617	# This should be called when
1618	# 1. A new current colormap is set.
1619	# 2. Window is resized.
1620	# 3. The limits of the data have changed. (Just need a redraw).
1621	# 4. Legend becomes visible (Just need a redraw).
1622	#
1623	itcl::body Rappture::VtkGlyphViewer::RequestLegend {} {
1624	set _legendPending 0
1625	if { ![info exists _fields($_curFldName)] } {
1626	return
1627	}
1628	set fname $_curFldName
1629	set font "Arial 8"
1630	set lineht [font metrics $font -linespace]
1631	set w 12
1632	set h [expr {$_height - 2 * ($lineht + 2)}]
1633	if { $h < 1 } {
1634	return
1635	}
1636	if { [string match "component*" $fname] } {
1637	set title ""
1638	} else {
1639	if { [info exists _fields($fname)] } {
1640	foreach { title units } $_fields($fname) break
1641	if { $units != "" } {
1642	set title [format "%s (%s)" $title $units]
1643	}
1644	} else {
1645	set title $fname
1646	}
1647	}
1648	# If there's a title too, subtract one more line
1649	if { $title != "" } {
1650	incr h -$lineht
1651	}
1652	# Set the legend on the first dataset.
1653	if { $_currentColormap != "" } {
1654	set cmap $_currentColormap
1655	if { ![info exists _colormaps($cmap)] } {
1656	BuildColormap $cmap
1657	set _colormaps($cmap) 1
1658	}
1659	#SendCmd "legend $cmap $_colorMode $_curFldName {} $w $h 0"
1660	SendCmd "legend2 $cmap $w $h"
1661	}
1662	}
1663
1664	# ----------------------------------------------------------------------
1665	# CONFIGURATION OPTION: -plotbackground
1666	# ----------------------------------------------------------------------
1667	itcl::configbody Rappture::VtkGlyphViewer::plotbackground {
1668	if { [isconnected] } {
1669	set rgb [Color2RGB $itk_option(-plotbackground)]
1670	SendCmd "screen bgcolor $rgb"
1671	}
1672	}
1673
1674	# ----------------------------------------------------------------------
1675	# CONFIGURATION OPTION: -plotforeground
1676	# ----------------------------------------------------------------------
1677	itcl::configbody Rappture::VtkGlyphViewer::plotforeground {
1678	if { [isconnected] } {
1679	set rgb [Color2RGB $itk_option(-plotforeground)]
1680	SendCmd "axis color all $rgb"
1681	SendCmd "outline color $rgb"
1682	#SendCmd "cutplane color $rgb"
1683	}
1684	}
1685
1686	itcl::body Rappture::VtkGlyphViewer::BuildGlyphTab {} {
1687	set fg [option get $itk_component(hull) font Font]
1688	#set bfg [option get $itk_component(hull) boldFont Font]
1689
1690	set inner [$itk_component(main) insert end \
1691	-title "Glyph Settings" \
1692	-icon [Rappture::icon volume-on]]
1693	$inner configure -borderwidth 4
1694
1695	checkbutton $inner.glyphs \
1696	-text "Glyphs" \
1697	-variable [itcl::scope _settings(-glyphsvisible)] \
1698	-command [itcl::code $this AdjustSetting -glyphsvisible] \
1699	-font "Arial 9"
1700
1701	label $inner.gshape_l -text "Glyph shape" -font "Arial 9"
1702	itk_component add gshape {
1703	Rappture::Combobox $inner.gshape -width 10 -editable 0
1704	}
1705	$inner.gshape choices insert end \
1706	"arrow" "arrow" \
1707	"cone" "cone" \
1708	"cube" "cube" \
1709	"cylinder" "cylinder" \
1710	"dodecahedron" "dodecahedron" \
1711	"icosahedron" "icosahedron" \
1712	"line" "line" \
1713	"octahedron" "octahedron" \
1714	"point" "point" \
1715	"sphere" "sphere" \
1716	"tetrahedron" "tetrahedron"
1717
1718	$itk_component(gshape) value $_settings(-glyphshape)
1719	bind $inner.gshape <<Value>> [itcl::code $this AdjustSetting -glyphshape]
1720
1721	label $inner.scaleMode_l -text "Scale by" -font "Arial 9"
1722	itk_component add scaleMode {
1723	Rappture::Combobox $inner.scaleMode -width 10 -editable 0
1724	}
1725	$inner.scaleMode choices insert end \
1726	"scalar" "Scalar" \
1727	"vmag" "Vector magnitude" \
1728	"vcomp" "Vector components" \
1729	"off" "Constant size"
1730
1731	$itk_component(scaleMode) value "[$itk_component(scaleMode) label $_settings(-glyphscalemode)]"
1732	bind $inner.scaleMode <<Value>> [itcl::code $this AdjustSetting -glyphscalemode]
1733
1734	checkbutton $inner.normscale \
1735	-text "Normalize scaling" \
1736	-variable [itcl::scope _settings(-glyphnormscale)] \
1737	-command [itcl::code $this AdjustSetting -glyphnormscale] \
1738	-font "Arial 9"
1739	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"
1740
1741	checkbutton $inner.gorient \
1742	-text "Orient" \
1743	-variable [itcl::scope _settings(-glyphorient)] \
1744	-command [itcl::code $this AdjustSetting -glyphorient] \
1745	-font "Arial 9"
1746	Rappture::Tooltip::for $inner.gorient "Orient glyphs by vector field directions"
1747
1748	checkbutton $inner.wireframe \
1749	-text "Wireframe" \
1750	-variable [itcl::scope _settings(-glyphwireframe)] \
1751	-command [itcl::code $this AdjustSetting -glyphwireframe] \
1752	-font "Arial 9"
1753
1754	checkbutton $inner.lighting \
1755	-text "Enable Lighting" \
1756	-variable [itcl::scope _settings(-glyphlighting)] \
1757	-command [itcl::code $this AdjustSetting -glyphlighting] \
1758	-font "Arial 9"
1759
1760	checkbutton $inner.edges \
1761	-text "Edges" \
1762	-variable [itcl::scope _settings(-glyphedges)] \
1763	-command [itcl::code $this AdjustSetting -glyphedges] \
1764	-font "Arial 9"
1765
1766	checkbutton $inner.outline \
1767	-text "Outline" \
1768	-variable [itcl::scope _settings(-outline)] \
1769	-command [itcl::code $this AdjustSetting -outline] \
1770	-font "Arial 9"
1771
1772	checkbutton $inner.legend \
1773	-text "Legend" \
1774	-variable [itcl::scope _settings(-legendvisible)] \
1775	-command [itcl::code $this AdjustSetting -legendvisible] \
1776	-font "Arial 9"
1777
1778	label $inner.background_l -text "Background" -font "Arial 9"
1779	itk_component add background {
1780	Rappture::Combobox $inner.background -width 10 -editable 0
1781	}
1782	$inner.background choices insert end \
1783	"black" "black" \
1784	"white" "white" \
1785	"grey" "grey"
1786
1787	$itk_component(background) value $_settings(-background)
1788	bind $inner.background <<Value>> \
1789	[itcl::code $this AdjustSetting -background]
1790
1791	label $inner.opacity_l -text "Opacity" -font "Arial 9"
1792	::scale $inner.opacity -from 0 -to 100 -orient horizontal \
1793	-variable [itcl::scope _widget(-glyphopacity)] \
1794	-width 10 \
1795	-showvalue off \
1796	-command [itcl::code $this AdjustSetting -glyphopacity]
1797	$inner.opacity set [expr $_settings(-glyphopacity) * 100.0]
1798
1799	label $inner.gscale_l -text "Scale factor" -font "Arial 9"
1800	if {0} {
1801	::scale $inner.gscale -from 1 -to 100 -orient horizontal \
1802	-variable [itcl::scope _settings(-glyphscale)] \
1803	-width 10 \
1804	-showvalue off \
1805	-command [itcl::code $this AdjustSetting -glyphscale]
1806	} else {
1807	itk_component add gscale {
1808	entry $inner.gscale -font "Arial 9" -bg white \
1809	-textvariable [itcl::scope _settings(-glyphscale)]
1810	} {
1811	ignore -font -background
1812	}
1813	bind $inner.gscale <Return> \
1814	[itcl::code $this AdjustSetting -glyphscale]
1815	bind $inner.gscale <KP_Enter> \
1816	[itcl::code $this AdjustSetting -glyphscale]
1817	}
1818	Rappture::Tooltip::for $inner.gscale "Set scaling multiplier (or constant size)"
1819
1820	itk_component add field_l {
1821	label $inner.field_l -text "Color By" -font "Arial 9"
1822	} {
1823	ignore -font
1824	}
1825	itk_component add field {
1826	Rappture::Combobox $inner.field -width 10 -editable 0
1827	}
1828	bind $inner.field <<Value>> \
1829	[itcl::code $this AdjustSetting -field]
1830
1831	label $inner.colormap_l -text "Colormap" -font "Arial 9"
1832	itk_component add colormap {
1833	Rappture::Combobox $inner.colormap -width 10 -editable 0
1834	}
1835
1836	$inner.colormap choices insert end [GetColormapList -includeNone]
1837	$itk_component(colormap) value "BCGYR"
1838	bind $inner.colormap <<Value>> \
1839	[itcl::code $this AdjustSetting -colormap]
1840
1841	# add widgets for setting a custom range on the legend
1842
1843	itk_component add crange {
1844	checkbutton $inner.crange \
1845	-text "Use Custom Range:" \
1846	-variable [itcl::scope _settings(-customrange)] \
1847	-command [itcl::code $this ToggleCustomRange] \
1848	-font "Arial 9"
1849	}
1850
1851	itk_component add l_min {
1852	label $inner.l_min -text "Min" -font "Arial 9"
1853	}
1854	itk_component add min {
1855	Rappture::Gauge $inner.min -font "Arial 9" \
1856	-validatecommand [itcl::code $this LegendRangeValidate "" vmin]
1857	}
1858	bind $itk_component(min) <<Value>> \
1859	[itcl::code $this AdjustSetting -range]
1860
1861	itk_component add l_max {
1862	label $inner.l_max -text "Max" -font "Arial 9"
1863	}
1864	itk_component add max {
1865	Rappture::Gauge $inner.max -font "Arial 9" \
1866	-validatecommand [itcl::code $this LegendRangeValidate "" vmax]
1867	}
1868	bind $itk_component(max) <<Value>> \
1869	[itcl::code $this AdjustSetting -range]
1870
1871	$itk_component(min) configure -state disabled
1872	$itk_component(max) configure -state disabled
1873
1874	blt::table $inner \
1875	0,0 $inner.field_l -anchor w -pady 2 \
1876	0,1 $inner.field -anchor w -pady 2 -fill x \
1877	1,0 $inner.colormap_l -anchor w -pady 2 \
1878	1,1 $inner.colormap -anchor w -pady 2 -fill x \
1879	2,0 $inner.gshape_l -anchor w -pady 2 \
1880	2,1 $inner.gshape -anchor w -pady 2 -fill x \
1881	3,0 $inner.background_l -anchor w -pady 2 \
1882	3,1 $inner.background -anchor w -pady 2 -fill x \
1883	4,0 $inner.scaleMode_l -anchor w -pady 2 \
1884	4,1 $inner.scaleMode -anchor w -pady 2 -fill x \
1885	5,0 $inner.gscale_l -anchor w -pady 2 \
1886	5,1 $inner.gscale -anchor w -pady 2 -fill x \
1887	6,0 $inner.normscale -anchor w -pady 2 -cspan 2 \
1888	7,0 $inner.gorient -anchor w -pady 2 -cspan 2 \
1889	8,0 $inner.wireframe -anchor w -pady 2 -cspan 2 \
1890	9,0 $inner.lighting -anchor w -pady 2 -cspan 2 \
1891	10,0 $inner.edges -anchor w -pady 2 -cspan 2 \
1892	11,0 $inner.outline -anchor w -pady 2 -cspan 2 \
1893	12,0 $inner.legend -anchor w -pady 2 \
1894	13,0 $inner.opacity_l -anchor w -pady 2 \
1895	13,1 $inner.opacity -anchor w -pady 2 -fill x \
1896	14,0 $inner.crange -anchor w -pady 2 -cspan 2 \
1897	15,0 $inner.l_min -anchor w -pady 2 \
1898	15,1 $inner.min -anchor w -pady 2 -fill x \
1899	16,0 $inner.l_max -anchor w -pady 2 \
1900	16,1 $inner.max -anchor w -pady 2 -fill x \
1901
1902	blt::table configure $inner r* c* -resize none
1903	blt::table configure $inner r17 c1 -resize expand
1904	}
1905
1906	itcl::body Rappture::VtkGlyphViewer::BuildAxisTab {} {
1907
1908	set fg [option get $itk_component(hull) font Font]
1909	#set bfg [option get $itk_component(hull) boldFont Font]
1910
1911	set inner [$itk_component(main) insert end \
1912	-title "Axis Settings" \
1913	-icon [Rappture::icon axis2]]
1914	$inner configure -borderwidth 4
1915
1916	checkbutton $inner.visible \
1917	-text "Axes" \
1918	-variable [itcl::scope _settings(-axesvisible)] \
1919	-command [itcl::code $this AdjustSetting -axesvisible] \
1920	-font "Arial 9"
1921
1922	checkbutton $inner.labels \
1923	-text "Axis Labels" \
1924	-variable [itcl::scope _settings(-axislabels)] \
1925	-command [itcl::code $this AdjustSetting -axislabels] \
1926	-font "Arial 9"
1927	label $inner.grid_l -text "Grid" -font "Arial 9"
1928	checkbutton $inner.xgrid \
1929	-text "X" \
1930	-variable [itcl::scope _settings(-xgrid)] \
1931	-command [itcl::code $this AdjustSetting -xgrid] \
1932	-font "Arial 9"
1933	checkbutton $inner.ygrid \
1934	-text "Y" \
1935	-variable [itcl::scope _settings(-ygrid)] \
1936	-command [itcl::code $this AdjustSetting -ygrid] \
1937	-font "Arial 9"
1938	checkbutton $inner.zgrid \
1939	-text "Z" \
1940	-variable [itcl::scope _settings(-zgrid)] \
1941	-command [itcl::code $this AdjustSetting -zgrid] \
1942	-font "Arial 9"
1943	checkbutton $inner.minorticks \
1944	-text "Minor Ticks" \
1945	-variable [itcl::scope _settings(-axisminorticks)] \
1946	-command [itcl::code $this AdjustSetting -axisminorticks] \
1947	-font "Arial 9"
1948
1949	label $inner.mode_l -text "Mode" -font "Arial 9"
1950
1951	itk_component add axisMode {
1952	Rappture::Combobox $inner.mode -width 10 -editable 0
1953	}
1954	$inner.mode choices insert end \
1955	"static_triad" "static" \
1956	"closest_triad" "closest" \
1957	"furthest_triad" "farthest" \
1958	"outer_edges" "outer"
1959	$itk_component(axisMode) value $_settings(-axismode)
1960	bind $inner.mode <<Value>> [itcl::code $this AdjustSetting -axismode]
1961
1962	blt::table $inner \
1963	0,0 $inner.visible -anchor w -cspan 4 \
1964	1,0 $inner.labels -anchor w -cspan 4 \
1965	2,0 $inner.minorticks -anchor w -cspan 4 \
1966	4,0 $inner.grid_l -anchor w \
1967	4,1 $inner.xgrid -anchor w \
1968	4,2 $inner.ygrid -anchor w \
1969	4,3 $inner.zgrid -anchor w \
1970	5,0 $inner.mode_l -anchor w -padx { 2 0 } \
1971	5,1 $inner.mode -fill x -cspan 3
1972
1973	blt::table configure $inner r* c* -resize none
1974	blt::table configure $inner r7 c6 -resize expand
1975	blt::table configure $inner r3 -height 0.125i
1976	}
1977
1978	itcl::body Rappture::VtkGlyphViewer::BuildCameraTab {} {
1979	set inner [$itk_component(main) insert end \
1980	-title "Camera Settings" \
1981	-icon [Rappture::icon camera]]
1982	$inner configure -borderwidth 4
1983
1984	label $inner.view_l -text "view" -font "Arial 9"
1985	set f [frame $inner.view]
1986	foreach side { front back left right top bottom } {
1987	button $f.$side -image [Rappture::icon view$side] \
1988	-command [itcl::code $this SetOrientation $side]
1989	Rappture::Tooltip::for $f.$side "Change the view to $side"
1990	pack $f.$side -side left
1991	}
1992
1993	blt::table $inner \
1994	0,0 $inner.view_l -anchor e -pady 2 \
1995	0,1 $inner.view -anchor w -pady 2
1996	blt::table configure $inner r0 -resize none
1997
1998	set labels { qx qy qz qw xpan ypan zoom }
1999	set row 1
2000	foreach tag $labels {
2001	label $inner.${tag}label -text $tag -font "Arial 9"
2002	entry $inner.${tag} -font "Arial 9" -bg white \
2003	-textvariable [itcl::scope _view(-$tag)]
2004	bind $inner.${tag} <Return> \
2005	[itcl::code $this camera set -${tag}]
2006	bind $inner.${tag} <KP_Enter> \
2007	[itcl::code $this camera set -${tag}]
2008	blt::table $inner \
2009	$row,0 $inner.${tag}label -anchor e -pady 2 \
2010	$row,1 $inner.${tag} -anchor w -pady 2
2011	blt::table configure $inner r$row -resize none
2012	incr row
2013	}
2014	checkbutton $inner.ortho \
2015	-text "Orthographic Projection" \
2016	-variable [itcl::scope _view(-ortho)] \
2017	-command [itcl::code $this AdjustSetting -ortho] \
2018	-font "Arial 9"
2019	blt::table $inner \
2020	$row,0 $inner.ortho -cspan 2 -anchor w -pady 2
2021	blt::table configure $inner r$row -resize none
2022	incr row
2023
2024	blt::table configure $inner c* -resize none
2025	blt::table configure $inner c2 -resize expand
2026	blt::table configure $inner r$row -resize expand
2027	}
2028
2029	itcl::body Rappture::VtkGlyphViewer::BuildCutplanesTab {} {
2030
2031	set fg [option get $itk_component(hull) font Font]
2032
2033	set inner [$itk_component(main) insert end \
2034	-title "Cutplane Settings" \
2035	-icon [Rappture::icon cutbutton]]
2036
2037	$inner configure -borderwidth 4
2038
2039	checkbutton $inner.visible \
2040	-text "Cutplanes" \
2041	-variable [itcl::scope _settings(-cutplanesvisible)] \
2042	-command [itcl::code $this AdjustSetting -cutplanesvisible] \
2043	-font "Arial 9"
2044
2045	checkbutton $inner.wireframe \
2046	-text "Wireframe" \
2047	-variable [itcl::scope _settings(-cutplanewireframe)] \
2048	-command [itcl::code $this AdjustSetting -cutplanewireframe] \
2049	-font "Arial 9"
2050
2051	checkbutton $inner.lighting \
2052	-text "Enable Lighting" \
2053	-variable [itcl::scope _settings(-cutplanelighting)] \
2054	-command [itcl::code $this AdjustSetting -cutplanelighting] \
2055	-font "Arial 9"
2056
2057	checkbutton $inner.edges \
2058	-text "Edges" \
2059	-variable [itcl::scope _settings(-cutplaneedges)] \
2060	-command [itcl::code $this AdjustSetting -cutplaneedges] \
2061	-font "Arial 9"
2062
2063	checkbutton $inner.preinterp \
2064	-text "Interpolate Scalars" \
2065	-variable [itcl::scope _settings(-cutplanepreinterp)] \
2066	-command [itcl::code $this AdjustSetting -cutplanepreinterp] \
2067	-font "Arial 9"
2068
2069	label $inner.opacity_l -text "Opacity" -font "Arial 9"
2070	::scale $inner.opacity -from 0 -to 100 -orient horizontal \
2071	-variable [itcl::scope _widget(-cutplaneopacity)] \
2072	-width 10 \
2073	-showvalue off \
2074	-command [itcl::code $this AdjustSetting -cutplaneopacity]
2075	$inner.opacity set [expr $_settings(-cutplaneopacity) * 100.0]
2076
2077	# X-value slicer...
2078	itk_component add xbutton {
2079	Rappture::PushButton $inner.xbutton \
2080	-onimage [Rappture::icon x-cutplane-red] \
2081	-offimage [Rappture::icon x-cutplane-red] \
2082	-command [itcl::code $this AdjustSetting -xcutplanevisible] \
2083	-variable [itcl::scope _settings(-xcutplanevisible)] \
2084	}
2085	Rappture::Tooltip::for $itk_component(xbutton) \
2086	"Toggle the X-axis cutplane on/off"
2087	$itk_component(xbutton) select
2088	itk_component add xposition {
2089	::scale $inner.xval -from 100 -to 0 \
2090	-width 10 -orient vertical -showvalue 1 \
2091	-borderwidth 1 -highlightthickness 0 \
2092	-command [itcl::code $this EventuallySetCutplane x] \
2093	-variable [itcl::scope _settings(-xcutplaneposition)] \
2094	-foreground red2 -font "Arial 9 bold"
2095	} {
2096	usual
2097	ignore -borderwidth -highlightthickness -foreground -font -background
2098	}
2099	# Set the default cutplane value before disabling the scale.
2100	$itk_component(xposition) set 50
2101	$itk_component(xposition) configure -state disabled
2102	Rappture::Tooltip::for $itk_component(xposition) \
2103	"@[itcl::code $this Slice tooltip x]"
2104
2105	# Y-value slicer...
2106	itk_component add ybutton {
2107	Rappture::PushButton $inner.ybutton \
2108	-onimage [Rappture::icon y-cutplane-green] \
2109	-offimage [Rappture::icon y-cutplane-green] \
2110	-command [itcl::code $this AdjustSetting -ycutplanevisible] \
2111	-variable [itcl::scope _settings(-ycutplanevisible)] \
2112	}
2113	Rappture::Tooltip::for $itk_component(ybutton) \
2114	"Toggle the Y-axis cutplane on/off"
2115	$itk_component(ybutton) select
2116
2117	itk_component add yposition {
2118	::scale $inner.yval -from 100 -to 0 \
2119	-width 10 -orient vertical -showvalue 1 \
2120	-borderwidth 1 -highlightthickness 0 \
2121	-command [itcl::code $this EventuallySetCutplane y] \
2122	-variable [itcl::scope _settings(-ycutplaneposition)] \
2123	-foreground green3 -font "Arial 9 bold"
2124	} {
2125	usual
2126	ignore -borderwidth -highlightthickness -foreground -font
2127	}
2128	Rappture::Tooltip::for $itk_component(yposition) \
2129	"@[itcl::code $this Slice tooltip y]"
2130	# Set the default cutplane value before disabling the scale.
2131	$itk_component(yposition) set 50
2132	$itk_component(yposition) configure -state disabled
2133
2134	# Z-value slicer...
2135	itk_component add zbutton {
2136	Rappture::PushButton $inner.zbutton \
2137	-onimage [Rappture::icon z-cutplane-blue] \
2138	-offimage [Rappture::icon z-cutplane-blue] \
2139	-command [itcl::code $this AdjustSetting -zcutplanevisible] \
2140	-variable [itcl::scope _settings(-zcutplanevisible)] \
2141	} {
2142	usual
2143	ignore -foreground
2144	}
2145	Rappture::Tooltip::for $itk_component(zbutton) \
2146	"Toggle the Z-axis cutplane on/off"
2147	$itk_component(zbutton) select
2148
2149	itk_component add zposition {
2150	::scale $inner.zval -from 100 -to 0 \
2151	-width 10 -orient vertical -showvalue 1 \
2152	-borderwidth 1 -highlightthickness 0 \
2153	-command [itcl::code $this EventuallySetCutplane z] \
2154	-variable [itcl::scope _settings(-zcutplaneposition)] \
2155	-foreground blue3 -font "Arial 9 bold"
2156	} {
2157	usual
2158	ignore -borderwidth -highlightthickness -foreground -font
2159	}
2160	$itk_component(zposition) set 50
2161	$itk_component(zposition) configure -state disabled
2162	Rappture::Tooltip::for $itk_component(zposition) \
2163	"@[itcl::code $this Slice tooltip z]"
2164
2165	blt::table $inner \
2166	0,0 $inner.visible -anchor w -pady 2 -cspan 3 \
2167	1,0 $inner.lighting -anchor w -pady 2 -cspan 3 \
2168	2,0 $inner.wireframe -anchor w -pady 2 -cspan 3 \
2169	3,0 $inner.edges -anchor w -pady 2 -cspan 3 \
2170	4,0 $inner.preinterp -anchor w -pady 2 -cspan 3 \
2171	5,0 $inner.opacity_l -anchor w -pady 2 -cspan 1 \
2172	5,1 $inner.opacity -fill x -pady 2 -cspan 3 \
2173	6,0 $inner.xbutton -anchor w -padx 2 -pady 2 \
2174	7,0 $inner.ybutton -anchor w -padx 2 -pady 2 \
2175	8,0 $inner.zbutton -anchor w -padx 2 -pady 2 \
2176	6,1 $inner.xval -fill y -rspan 4 \
2177	6,2 $inner.yval -fill y -rspan 4 \
2178	6,3 $inner.zval -fill y -rspan 4 \
2179
2180	blt::table configure $inner r* c* -resize none
2181	blt::table configure $inner r9 c4 -resize expand
2182	}
2183
2184	#
2185	# camera --
2186	#
2187	itcl::body Rappture::VtkGlyphViewer::camera {option args} {
2188	switch -- $option {
2189	"show" {
2190	puts [array get _view]
2191	}
2192	"set" {
2193	set what [lindex $args 0]
2194	set x $_view($what)
2195	set code [catch { string is double $x } result]
2196	if { $code != 0 \|\| !$result } {
2197	return
2198	}
2199	switch -- $what {
2200	"-ortho" {
2201	if {$_view($what)} {
2202	SendCmd "camera mode ortho"
2203	} else {
2204	SendCmd "camera mode persp"
2205	}
2206	}
2207	"-xpan" - "-ypan" {
2208	PanCamera
2209	}
2210	"-qx" - "-qy" - "-qz" - "-qw" {
2211	set q [ViewToQuaternion]
2212	$_arcball quaternion $q
2213	EventuallyRotate $q
2214	}
2215	"-zoom" {
2216	SendCmd "camera zoom $_view($what)"
2217	}
2218	}
2219	}
2220	}
2221	}
2222
2223	itcl::body Rappture::VtkGlyphViewer::GetVtkData { args } {
2224	set bytes ""
2225	foreach dataobj [get] {
2226	foreach cname [$dataobj components] {
2227	set tag $dataobj-$cname
2228	set contents [$dataobj vtkdata $cname]
2229	append bytes "$contents\n"
2230	}
2231	}
2232	return [list .vtk $bytes]
2233	}
2234
2235	itcl::body Rappture::VtkGlyphViewer::GetImage { args } {
2236	if { [image width $_image(download)] > 0 &&
2237	[image height $_image(download)] > 0 } {
2238	set bytes [$_image(download) data -format "jpeg -quality 100"]
2239	set bytes [Rappture::encoding::decode -as b64 $bytes]
2240	return [list .jpg $bytes]
2241	}
2242	return ""
2243	}
2244
2245	itcl::body Rappture::VtkGlyphViewer::BuildDownloadPopup { popup command } {
2246	Rappture::Balloon $popup \
2247	-title "[Rappture::filexfer::label downloadWord] as..."
2248	set inner [$popup component inner]
2249	label $inner.summary -text "" -anchor w
2250	radiobutton $inner.vtk_button -text "VTK data file" \
2251	-variable [itcl::scope _downloadPopup(format)] \
2252	-font "Arial 9 " \
2253	-value vtk
2254	Rappture::Tooltip::for $inner.vtk_button "Save as VTK data file."
2255	radiobutton $inner.image_button -text "Image File" \
2256	-variable [itcl::scope _downloadPopup(format)] \
2257	-font "Arial 9 " \
2258	-value image
2259	Rappture::Tooltip::for $inner.image_button \
2260	"Save as digital image."
2261
2262	button $inner.ok -text "Save" \
2263	-highlightthickness 0 -pady 2 -padx 3 \
2264	-command $command \
2265	-compound left \
2266	-image [Rappture::icon download]
2267
2268	button $inner.cancel -text "Cancel" \
2269	-highlightthickness 0 -pady 2 -padx 3 \
2270	-command [list $popup deactivate] \
2271	-compound left \
2272	-image [Rappture::icon cancel]
2273
2274	blt::table $inner \
2275	0,0 $inner.summary -cspan 2 \
2276	1,0 $inner.vtk_button -anchor w -cspan 2 -padx { 4 0 } \
2277	2,0 $inner.image_button -anchor w -cspan 2 -padx { 4 0 } \
2278	4,1 $inner.cancel -width .9i -fill y \
2279	4,0 $inner.ok -padx 2 -width .9i -fill y
2280	blt::table configure $inner r3 -height 4
2281	blt::table configure $inner r4 -pady 4
2282	raise $inner.image_button
2283	$inner.vtk_button invoke
2284	return $inner
2285	}
2286
2287	itcl::body Rappture::VtkGlyphViewer::SetObjectStyle { dataobj comp } {
2288	DebugTrace "Enter"
2289	# Parse style string.
2290	set tag $dataobj-$comp
2291	array set style {
2292	-color BCGYR
2293	-constcolor white
2294	-colormode vmag
2295	-cutplaneedges 0
2296	-cutplanelighting 1
2297	-cutplaneopacity 1.0
2298	-cutplanepreinterp 1
2299	-cutplanesvisible 0
2300	-cutplanewireframe 0
2301	-edgecolor black
2302	-edges 0
2303	-glyphsvisible 1
2304	-gscale 1
2305	-lighting 1
2306	-linewidth 1.0
2307	-normscale 1
2308	-opacity 1.0
2309	-orientglyphs 1
2310	-outline 0
2311	-ptsize 1.0
2312	-quality 1
2313	-scalemode vmag
2314	-shape arrow
2315	-wireframe 0
2316	-xcutplaneposition 50
2317	-xcutplanevisible 1
2318	-ycutplaneposition 50
2319	-ycutplanevisible 1
2320	-zcutplaneposition 50
2321	-zcutplanevisible 1
2322	}
2323	set style(-constcolor) $itk_option(-plotforeground)
2324	set numComponents [$dataobj numComponents $comp]
2325	if {$numComponents == 3} {
2326	set style(-shape) "arrow"
2327	set style(-orientglyphs) 1
2328	set style(-scalemode) "vmag"
2329	set style(-colormode) "vmag"
2330	} else {
2331	set style(-shape) "sphere"
2332	set style(-orientglyphs) 0
2333	set style(-scalemode) "scalar"
2334	set style(-colormode) "scalar"
2335	}
2336	array set style [$dataobj style $comp]
2337	# Backwards compat with camel case style option
2338	if { [info exists style(-orientGlyphs)] } {
2339	set style(-orientglyphs) $style(-orientGlyphs)
2340	array unset style -orientGlyphs
2341	}
2342	# Backwards compat with camel case style option
2343	if { [info exists style(-scaleMode)] } {
2344	set style(-scalemode) $style(-scaleMode)
2345	array unset style -scaleMode
2346	}
2347
2348	# This is too complicated. We want to set the colormap and opacity
2349	# for the dataset. They can be the default values,
2350	# the style hints loaded with the dataset, or set by user controls. As
2351	# datasets get loaded, they first use the defaults that are overidden
2352	# by the style hints. If the user changes the global controls, then that
2353	# overrides everything else. I don't know what it means when global
2354	# controls are specified as style hints by each dataset. It complicates
2355	# the code to handle aberrant cases.
2356
2357	if { $_changed(-glyphedges) } {
2358	set style(-edges) $_settings(-glyphedges)
2359	}
2360	if { $_changed(-glyphlighting) } {
2361	set style(-lighting) $_settings(-glyphlighting)
2362	}
2363	if { $_changed(-glyphnormscale) } {
2364	set style(-normscale) $_settings(-glyphnormscale)
2365	}
2366	if { $_changed(-glyphopacity) } {
2367	set style(-opacity) $_settings(-glyphopacity)
2368	}
2369	if { $_changed(-glyphorient) } {
2370	set style(-orientglyphs) $_settings(-glyphorient)
2371	}
2372	if { $_changed(-glyphscale) } {
2373	set style(-gscale) $_settings(-glyphscale)
2374	}
2375	if { $_changed(-glyphwireframe) } {
2376	set style(-wireframe) $_settings(-glyphwireframe)
2377	}
2378	if { $_changed(-colormap) } {
2379	set style(-color) $_settings(-colormap)
2380	}
2381	if { $_currentColormap == "" } {
2382	$itk_component(colormap) value $style(-color)
2383	}
2384	foreach setting {-outline -glyphsvisible -cutplanesvisible \
2385	-xcutplanevisible -ycutplanevisible -zcutplanevisible \
2386	-xcutplaneposition -ycutplaneposition -zcutplaneposition \
2387	-cutplaneedges -cutplanelighting -cutplaneopacity \
2388	-cutplanepreinterp -cutplanewireframe} {
2389	if {$_changed($setting)} {
2390	# User-modified UI setting overrides style
2391	set style($setting) $_settings($setting)
2392	} else {
2393	# Set UI control to style setting (tool provided or default)
2394	set _settings($setting) $style($setting)
2395	}
2396	}
2397
2398	if 0 {
2399	SendCmd "cutplane add $tag"
2400	SendCmd "cutplane visible 0 $tag"
2401	foreach axis {x y z} {
2402	set pos [expr $style(-${axis}cutplaneposition) * 0.01]
2403	set visible $style(-${axis}cutplanevisible)
2404	SendCmd "cutplane slice $axis $pos $tag"
2405	SendCmd "cutplane axis $axis $visible $tag"
2406	}
2407	SendCmd "cutplane edges $style(-cutplaneedges) $tag"
2408	SendCmd "cutplane lighting $style(-cutplanelighting) $tag"
2409	SendCmd "cutplane opacity $style(-cutplaneopacity) $tag"
2410	set _widget(-cutplaneopacity) [expr $style(-cutplaneopacity) * 100]
2411	SendCmd "cutplane preinterp $style(-cutplanepreinterp) $tag"
2412	SendCmd "cutplane wireframe $style(-cutplanewireframe) $tag"
2413	SendCmd "cutplane visible $style(-cutplanesvisible) $tag"
2414	}
2415
2416	SendCmd "outline add $tag"
2417	SendCmd "outline color [Color2RGB $style(-constcolor)] $tag"
2418	SendCmd "outline visible $style(-outline) $tag"
2419
2420	SendCmd "glyphs add $style(-shape) $tag"
2421	set _settings(-glyphshape) $style(-shape)
2422	$itk_component(gshape) value $style(-shape)
2423	SendCmd "glyphs visible $style(-glyphsvisible) $tag"
2424	SendCmd "glyphs edges $style(-edges) $tag"
2425	set _settings(-glyphedges) $style(-edges)
2426
2427	# normscale=1 and gscale=1 are defaults
2428	if {$style(-normscale) != 1} {
2429	SendCmd "glyphs normscale $style(-normscale) $tag"
2430	}
2431	if {$style(-gscale) != 1} {
2432	SendCmd "glyphs gscale $style(-gscale) $tag"
2433	}
2434	set _settings(-glyphnormscale) $style(-normscale)
2435	set _settings(-glyphscale) $style(-gscale)
2436
2437	if {$style(-colormode) == "constant" \|\| $style(-color) == "none"} {
2438	SendCmd "glyphs colormode constant {} $tag"
2439	set _settings(-colormapvisible) 0
2440	set _settings(-colormap) "none"
2441	} else {
2442	SendCmd "glyphs colormode $style(-colormode) $_curFldName $tag"
2443	set _settings(-colormapvisible) 1
2444	set _settings(-colormap) $style(-color)
2445	SetCurrentColormap $style(-color)
2446	}
2447	$itk_component(colormap) value $_settings(-colormap)
2448	set _colorMode $style(-colormode)
2449
2450	# constant color only used if colormode set to constant
2451	SendCmd "glyphs color [Color2RGB $style(-constcolor)] $tag"
2452	# Omitting field name for gorient and smode commands
2453	# defaults to active scalars or vectors depending on mode
2454	SendCmd "glyphs gorient $style(-orientglyphs) {} $tag"
2455	set _settings(-glyphorient) $style(-orientglyphs)
2456	SendCmd "glyphs smode $style(-scalemode) {} $tag"
2457	set _settings(-glyphscalemode) $style(-scalemode)
2458	$itk_component(scaleMode) value "[$itk_component(scaleMode) label $style(-scalemode)]"
2459	SendCmd "glyphs quality $style(-quality) $tag"
2460	SendCmd "glyphs lighting $style(-lighting) $tag"
2461	set _settings(-glyphlighting) $style(-lighting)
2462	SendCmd "glyphs linecolor [Color2RGB $style(-edgecolor)] $tag"
2463	SendCmd "glyphs linewidth $style(-linewidth) $tag"
2464	SendCmd "glyphs ptsize $style(-ptsize) $tag"
2465	SendCmd "glyphs opacity $style(-opacity) $tag"
2466	set _settings(-glyphopacity) $style(-opacity)
2467	set _widget(-glyphopacity) [expr $style(-opacity) * 100.0]
2468	SendCmd "glyphs wireframe $style(-wireframe) $tag"
2469	set _settings(-glyphwireframe) $style(-wireframe)
2470	}
2471
2472	itcl::body Rappture::VtkGlyphViewer::IsValidObject { dataobj } {
2473	if {[catch {$dataobj isa Rappture::Field} valid] != 0 \|\| !$valid} {
2474	return 0
2475	}
2476	return 1
2477	}
2478
2479	#
2480	# EnterLegend --
2481	#
2482	itcl::body Rappture::VtkGlyphViewer::EnterLegend { x y } {
2483	SetLegendTip $x $y
2484	}
2485
2486	#
2487	# MotionLegend --
2488	#
2489	itcl::body Rappture::VtkGlyphViewer::MotionLegend { x y } {
2490	Rappture::Tooltip::tooltip cancel
2491	set c $itk_component(view)
2492	set cw [winfo width $c]
2493	set ch [winfo height $c]
2494	if { $x >= 0 && $x < $cw && $y >= 0 && $y < $ch } {
2495	SetLegendTip $x $y
2496	}
2497	}
2498
2499	#
2500	# LeaveLegend --
2501	#
2502	itcl::body Rappture::VtkGlyphViewer::LeaveLegend { } {
2503	Rappture::Tooltip::tooltip cancel
2504	.rappturetooltip configure -icon ""
2505	}
2506
2507	# ----------------------------------------------------------------------
2508	# USAGE: LegendPointToValue <x> <y>
2509	#
2510	# Convert an x,y point on the legend to a numeric field value.
2511	# ----------------------------------------------------------------------
2512	itcl::body Rappture::VtkGlyphViewer::LegendPointToValue { x y } {
2513	set fname $_curFldName
2514
2515	set font "Arial 8"
2516	set lineht [font metrics $font -linespace]
2517
2518	set ih [image height $_image(legend)]
2519	set iy [expr $y - ($lineht + 2)]
2520
2521	# Compute the value of the point
2522	if { [info exists _limits($fname)] } {
2523	if { $_settings(-customrange) } {
2524	set vmin [$itk_component(min) value]
2525	set vmax [$itk_component(max) value]
2526	} else {
2527	foreach { vmin vmax } $_limits($fname) break
2528	}
2529	set t [expr 1.0 - (double($iy) / double($ih-1))]
2530	set value [expr $t * ($vmax - $vmin) + $vmin]
2531	} else {
2532	set value 0.0
2533	}
2534	return $value
2535	}
2536
2537	#
2538	# SetLegendTip --
2539	#
2540	itcl::body Rappture::VtkGlyphViewer::SetLegendTip { x y } {
2541	set fname $_curFldName
2542	set c $itk_component(view)
2543	set w [winfo width $c]
2544	set h [winfo height $c]
2545
2546	set font "Arial 8"
2547	set lineht [font metrics $font -linespace]
2548
2549	set ih [image height $_image(legend)]
2550	set iy [expr $y - ($lineht + 2)]
2551
2552	if { [string match "component*" $fname] } {
2553	set title ""
2554	} else {
2555	if { [info exists _fields($fname)] } {
2556	foreach { title units } $_fields($fname) break
2557	if { $units != "" } {
2558	set title [format "%s (%s)" $title $units]
2559	}
2560	} else {
2561	set title $fname
2562	}
2563	}
2564	# If there's a legend title, increase the offset by the line height.
2565	if { $title != "" } {
2566	incr iy -$lineht
2567	}
2568	# Make a swatch of the selected color
2569	if { [catch { $_image(legend) get 10 $iy } pixel] != 0 } {
2570	return
2571	}
2572	if { ![info exists _image(swatch)] } {
2573	set _image(swatch) [image create photo -width 24 -height 24]
2574	}
2575	set color [eval format "\#%02x%02x%02x" $pixel]
2576	$_image(swatch) put black -to 0 0 23 23
2577	$_image(swatch) put $color -to 1 1 22 22
2578	.rappturetooltip configure -icon $_image(swatch)
2579
2580	# Compute the value of the point
2581	set value [LegendPointToValue $x $y]
2582
2583	# Setup the location of the tooltip
2584	set tx [expr $x + 15]
2585	set ty [expr $y - 5]
2586
2587	# Setup the text for the tooltip
2588	Rappture::Tooltip::text $c [format "$title %g" $value]
2589
2590	# Show the tooltip
2591	Rappture::Tooltip::tooltip show $c +$tx,+$ty
2592	}
2593
2594	# ----------------------------------------------------------------------
2595	# USAGE: Slice move x\|y\|z <newval>
2596	#
2597	# Called automatically when the user drags the slider to move the
2598	# cut plane that slices 3D data. Gets the current value from the
2599	# slider and moves the cut plane to the appropriate point in the
2600	# data set.
2601	# ----------------------------------------------------------------------
2602	itcl::body Rappture::VtkGlyphViewer::Slice {option args} {
2603	switch -- $option {
2604	"move" {
2605	set axis [lindex $args 0]
2606	set newval [lindex $args 1]
2607	if {[llength $args] != 2} {
2608	error "wrong # args: should be \"Slice move x\|y\|z newval\""
2609	}
2610	set newpos [expr {0.01*$newval}]
2611	SendCmd "cutplane slice $axis $newpos"
2612	}
2613	"tooltip" {
2614	set axis [lindex $args 0]
2615	set val [$itk_component(${axis}position) get]
2616	return "Move the [string toupper $axis] cut plane.\nCurrently: $axis = $val%"
2617	}
2618	default {
2619	error "bad option \"$option\": should be axis, move, or tooltip"
2620	}
2621	}
2622	}
2623
2624	#
2625	# ReceiveLegend --
2626	#
2627	# Invoked automatically whenever the "legend" command comes in from
2628	# the rendering server. Indicates that binary image data with the
2629	# specified <size> will follow.
2630	#
2631	itcl::body Rappture::VtkGlyphViewer::ReceiveLegend { colormap title min max size } {
2632	DebugTrace "Enter"
2633	set _title $title
2634	regsub {\(mag\)} $title "" _title
2635	if { [IsConnected] } {
2636	set bytes [ReceiveBytes $size]
2637	if { ![info exists _image(legend)] } {
2638	set _image(legend) [image create photo]
2639	}
2640	$_image(legend) configure -data $bytes
2641	#puts stderr "read $size bytes for [image width $_image(legend)]x[image height $_image(legend)] legend>"
2642	if { [catch {DrawLegend} errs] != 0 } {
2643	global errorInfo
2644	puts stderr "errs=$errs errorInfo=$errorInfo"
2645	}
2646	}
2647	}
2648
2649	#
2650	# DrawLegend --
2651	#
2652	# Draws the legend on the canvas on the right side of the plot area.
2653	#
2654	itcl::body Rappture::VtkGlyphViewer::DrawLegend {} {
2655	set fname $_curFldName
2656	set c $itk_component(view)
2657	set w [winfo width $c]
2658	set h [winfo height $c]
2659	set font "Arial 8"
2660	set lineht [font metrics $font -linespace]
2661
2662	if { [string match "component*" $fname] } {
2663	set title ""
2664	} else {
2665	if { [info exists _fields($fname)] } {
2666	foreach { title units } $_fields($fname) break
2667	if { $units != "" } {
2668	set title [format "%s (%s)" $title $units]
2669	}
2670	} else {
2671	set title $fname
2672	}
2673	}
2674	set x [expr $w - 2]
2675	if { !$_settings(-legendvisible) } {
2676	$c delete legend
2677	return
2678	}
2679	if { [$c find withtag "legend"] == "" } {
2680	set y 2
2681	# If there's a legend title, create a text item for the title.
2682	$c create text $x $y \
2683	-anchor ne \
2684	-fill $itk_option(-plotforeground) -tags "title legend" \
2685	-font $font
2686	if { $title != "" } {
2687	incr y $lineht
2688	}
2689	$c create text $x $y \
2690	-anchor ne \
2691	-fill $itk_option(-plotforeground) -tags "vmax legend" \
2692	-font $font
2693	incr y $lineht
2694	$c create image $x $y \
2695	-anchor ne \
2696	-image $_image(legend) -tags "colormap legend"
2697	$c create rectangle $x $y 1 1 \
2698	-fill "" -outline "" -tags "sensor legend"
2699	$c create text $x [expr {$h-2}] \
2700	-anchor se \
2701	-fill $itk_option(-plotforeground) -tags "vmin legend" \
2702	-font $font
2703	$c bind sensor <Enter> [itcl::code $this EnterLegend %x %y]
2704	$c bind sensor <Leave> [itcl::code $this LeaveLegend]
2705	$c bind sensor <Motion> [itcl::code $this MotionLegend %x %y]
2706	}
2707	set x2 $x
2708	set iw [image width $_image(legend)]
2709	set ih [image height $_image(legend)]
2710	set x1 [expr $x2 - ($iw*12)/10]
2711
2712	$c bind title <ButtonPress> [itcl::code $this LegendTitleAction post]
2713	$c bind title <Enter> [itcl::code $this LegendTitleAction enter]
2714	$c bind title <Leave> [itcl::code $this LegendTitleAction leave]
2715	# Reset the item coordinates according the current size of the plot.
2716	$c itemconfigure title -text $title
2717	if { [info exists _limits($_curFldName)] } {
2718	if { $_settings(-customrange) } {
2719	set vmin [$itk_component(min) value]
2720	set vmax [$itk_component(max) value]
2721	} else {
2722	foreach { vmin vmax } $_limits($_curFldName) break
2723	}
2724	$c itemconfigure vmin -text [format %g $vmin]
2725	$c itemconfigure vmax -text [format %g $vmax]
2726	}
2727	set y 2
2728	# If there's a legend title, move the title to the correct position
2729	if { $title != "" } {
2730	$c itemconfigure title -text $title
2731	$c coords title $x $y
2732	incr y $lineht
2733	$c raise title
2734	}
2735	$c coords vmax $x $y
2736	incr y $lineht
2737	$c coords colormap $x $y
2738	$c coords sensor [expr $x - $iw] $y $x [expr $y + $ih]
2739	$c raise sensor
2740	$c coords vmin $x [expr {$h - 2}]
2741
2742	$c bind vmin <ButtonPress> [itcl::code $this LegendRangeAction popup vmin]
2743	$c bind vmin <Enter> [itcl::code $this LegendRangeAction enter vmin]
2744	$c bind vmin <Leave> [itcl::code $this LegendRangeAction leave vmin]
2745
2746	$c bind vmax <ButtonPress> [itcl::code $this LegendRangeAction popup vmax]
2747	$c bind vmax <Enter> [itcl::code $this LegendRangeAction enter vmax]
2748	$c bind vmax <Leave> [itcl::code $this LegendRangeAction leave vmax]
2749	}
2750
2751	# ----------------------------------------------------------------------
2752	# USAGE: LegendTitleAction post
2753	# USAGE: LegendTitleAction enter
2754	# USAGE: LegendTitleAction leave
2755	# USAGE: LegendTitleAction save
2756	#
2757	# Used internally to handle the dropdown list for the fields menu combobox.
2758	# The post option is invoked when the field title is pressed to launch the
2759	# dropdown. The enter option is invoked when the user mouses over the field
2760	# title. The leave option is invoked when the user moves the mouse away
2761	# from the field title. The save option is invoked whenever there is a
2762	# selection from the list, to alert the visualization server.
2763	# ----------------------------------------------------------------------
2764	itcl::body Rappture::VtkGlyphViewer::LegendTitleAction {option} {
2765	set c $itk_component(view)
2766	switch -- $option {
2767	post {
2768	foreach { x1 y1 x2 y2 } [$c bbox title] break
2769	set cw [winfo width $itk_component(view)]
2770	set mw [winfo reqwidth $itk_component(fieldmenu)]
2771	set x1 [expr $cw - $mw]
2772	set x [expr $x1 + [winfo rootx $itk_component(view)]]
2773	set y [expr $y2 + [winfo rooty $itk_component(view)]]
2774	tk_popup $itk_component(fieldmenu) $x $y
2775	}
2776	enter {
2777	$c itemconfigure title -fill red
2778	}
2779	leave {
2780	$c itemconfigure title -fill $itk_option(-plotforeground)
2781	}
2782	save {
2783	$itk_component(field) value $_curFldLabel
2784	AdjustSetting -field
2785	}
2786	default {
2787	error "bad option \"$option\": should be post, enter, leave or save"
2788	}
2789	}
2790	}
2791
2792	# ----------------------------------------------------------------------
2793	# USAGE: LegendRangeValidate <widget> <which> <value>
2794	#
2795	# Used internally to validate a legend range min/max value.
2796	# Returns a boolean value telling if <value> was accepted (1) or rejected (0)
2797	# If the value is rejected, a tooltip/warning message is popped up
2798	# near the widget that asked for the validation, specified by <widget>
2799	#
2800	# <widget> is the widget where a tooltip/warning message should show up on
2801	# <which> is either "vmin" or "vmax".
2802	# <value> is the value to be validated.
2803	# ----------------------------------------------------------------------
2804	itcl::body Rappture::VtkGlyphViewer::LegendRangeValidate {widget which value} {
2805	#check for a valid value
2806	if {[string is double $value] != 1} {
2807	set msg "should be valid number"
2808	if {$widget != ""} {
2809	Rappture::Tooltip::cue $widget $msg
2810	} else {
2811	# error "bad value \"$value\": $msg"
2812	error $msg
2813	}
2814	return 0
2815	}
2816
2817	switch -- $which {
2818	vmin {
2819	# check for min > max
2820	if {$value > [$itk_component(max) value]} {
2821	set msg "min > max, change max first"
2822	if {$widget != ""} {
2823	Rappture::Tooltip::cue $widget $msg
2824	} else {
2825	# error "bad value \"$value\": $msg"
2826	error $msg
2827	}
2828	return 0
2829	}
2830	}
2831	vmax {
2832	# check for max < min
2833	if {$value < [$itk_component(min) value]} {
2834	set msg "max < min, change min first"
2835	if {$widget != ""} {
2836	Rappture::Tooltip::cue $widget $msg
2837	} else {
2838	# error "bad value \"$value\": $msg"
2839	error $msg
2840	}
2841	return 0
2842	}
2843	}
2844	default {
2845	error "bad option \"$which\": should be vmin, vmax"
2846	}
2847	}
2848	}
2849
2850	itcl::body Rappture::VtkGlyphViewer::MouseOver2Which {} {
2851	switch -- $_mouseOver {
2852	vmin {
2853	set which min
2854	}
2855	vmax {
2856	set which max
2857	}
2858	default {
2859	error "bad _mouseOver \"$_mouseOver\": should be vmin, vmax"
2860	}
2861	}
2862	return $which
2863	}
2864
2865	# ----------------------------------------------------------------------
2866	# USAGE: LegendRangeAction enter <which>
2867	# USAGE: LegendRangeAction leave <which>
2868	#
2869	# USAGE: LegendRangeAction popup <which>
2870	# USAGE: LegendRangeAction activate
2871	# USAGE: LegendRangeAction validate <value>
2872	# USAGE: LegendRangeAction apply <value>
2873	#
2874	# Used internally to handle the mouseover and popup entry for the field range
2875	# inputs. The enter option is invoked when the user moves the mouse over the
2876	# min or max field range. The leave option is invoked when the user moves the
2877	# mouse away from the min or max field range. The popup option is invoked when
2878	# the user click's on a field range. The popup option stores internally which
2879	# widget is requesting a popup ( in the _mouseOver variable) and calls the
2880	# activate command of the widget. The widget's activate command calls back to
2881	# this method to get the xywh dimensions of the popup editor. After the user
2882	# changes focus or sets the value in the editor, the editor calls this methods
2883	# validate and apply options to set the value.
2884	# ----------------------------------------------------------------------
2885	itcl::body Rappture::VtkGlyphViewer::LegendRangeAction {option args} {
2886	set c $itk_component(view)
2887
2888	switch -- $option {
2889	enter {
2890	set which [lindex $args 0]
2891	$c itemconfigure $which -fill red
2892	}
2893	leave {
2894	set which [lindex $args 0]
2895	$c itemconfigure $which -fill $itk_option(-plotforeground)
2896	}
2897	popup {
2898	DisableMouseRotationBindings
2899	set which [lindex $args 0]
2900	set _mouseOver $which
2901	$itk_component(editor) activate
2902	}
2903	activate {
2904	foreach { x1 y1 x2 y2 } [$c bbox $_mouseOver] break
2905	set which [MouseOver2Which]
2906	set info(text) [$itk_component($which) value]
2907	set info(x) [expr $x1 + [winfo rootx $c]]
2908	set info(y) [expr $y1 + [winfo rooty $c]]
2909	set info(w) [expr $x2 - $x1]
2910	set info(h) [expr $y2 - $y1]
2911	return [array get info]
2912	}
2913	validate {
2914	if {[llength $args] != 1} {
2915	error "wrong # args: should be \"editor validate value\""
2916	}
2917
2918	set value [lindex $args 0]
2919	if {[LegendRangeValidate $itk_component(editor) $_mouseOver $value] == 0} {
2920	return 0
2921	}
2922
2923	# value was good, apply it
2924	# reset the mouse rotation bindings
2925	SetupMouseRotationBindings
2926	}
2927	apply {
2928	if {[llength $args] != 1} {
2929	error "wrong # args: should be \"editor apply value\""
2930	}
2931	set value [string trim [lindex $args 0]]
2932
2933	set which [MouseOver2Which]
2934
2935	# only set custom range if value changed
2936	if {[$itk_component($which) value] != $value} {
2937	# set the flag stating the custom range came from the legend
2938	# change the value in the gauge
2939	# turn on crange to enable the labels and gauges
2940	# call AdjustSetting -range (inside ToggleCustomRange)
2941	# to update drawing and legend
2942	set _customRangeClick 0
2943	$itk_component($which) value $value
2944	$itk_component(crange) select
2945	ToggleCustomRange
2946	}
2947	}
2948	default {
2949	error "bad option \"$option\": should be enter, leave, activate, validate, apply"
2950	}
2951	}
2952	}
2953
2954	# ----------------------------------------------------------------------
2955	# USAGE: ToggleCustomRange
2956	#
2957	# Called whenever the custom range is turned on or off. Used to save
2958	# the custom min and custom max set by the user. When the -customrange
2959	# setting is turned on, the range min and range max gauges are set
2960	# with the last value set by the user, or the default range if no
2961	# previous min and max were set.
2962	#
2963	# When the custom range is turned on, we check how it was turned on
2964	# by querying _customRangeClick. If the variable is 1, this means
2965	# the user clicked the crange checkbutton and we should pull the
2966	# custom range values from our backup variables. If the variable is 0,
2967	# the custom range was enabled through the user manipulating the
2968	# min and max value in the legend.
2969	# ----------------------------------------------------------------------
2970	itcl::body Rappture::VtkGlyphViewer::ToggleCustomRange {args} {
2971	if { ! $_settings(-customrange) } {
2972	# custom range was turned off
2973
2974	# disable the min/max labels and gauge widgets
2975	$itk_component(l_min) configure -state disabled
2976	$itk_component(min) configure -state disabled
2977	$itk_component(l_max) configure -state disabled
2978	$itk_component(max) configure -state disabled
2979
2980	# backup the custom range
2981	set _settings(-customrangemin) [$itk_component(min) value]
2982	set _settings(-customrangemax) [$itk_component(max) value]
2983
2984	# set the gauges to dataset's min and max
2985	foreach { vmin vmax } $_limits($_curFldName) break
2986	SetMinMaxGauges $vmin $vmax
2987	} else {
2988	# custom range was turned on
2989
2990	# enable the min/max labels and gauge widgets
2991	$itk_component(l_min) configure -state normal
2992	$itk_component(min) configure -state normal
2993	$itk_component(l_max) configure -state normal
2994	$itk_component(max) configure -state normal
2995
2996	# if the custom range is being turned on by clicking the
2997	# checkbox, restore the min and max gauges from the backup
2998	# variables. otherwise, new values for the min and max
2999	# widgets will be set later from the legend's editor.
3000	if { $_customRangeClick } {
3001	SetMinMaxGauges $_settings(-customrangemin) $_settings(-customrangemax)
3002	}
3003
3004	# reset the click flag
3005	set _customRangeClick 1
3006	}
3007	AdjustSetting -range
3008	}
3009
3010	# ----------------------------------------------------------------------
3011	# USAGE: SetMinMaxGauges <min> <max>
3012	#
3013	# Set the min and max gauges in the correct order, avoiding the
3014	# error where you try to set the min > max before updating the max or
3015	# set the max < min before updating the min.
3016	#
3017	# There are five range cases to consider with our current range validation.
3018	# For example:
3019	# [2,3] -> [0,1] : update min first, max last
3020	# [2,3] -> [4,5] : update max first, min last
3021	# [2,3] -> [0,2.5] : update min or max first
3022	# [2,3] -> [2.5,5] : update min or max first
3023	# [2,3] -> [2.25,2.75] : update min or max first
3024	#
3025	# In 4 of the cases we can update min first and max last, so we only
3026	# need to check the case where old max < new min, where we update
3027	# max first and min last.
3028	# ----------------------------------------------------------------------
3029	itcl::body Rappture::VtkGlyphViewer::SetMinMaxGauges {min max} {
3030
3031	if { [$itk_component(max) value] < $min} {
3032	# old max < new min
3033	# shift range toward right
3034	# extend max first, then update min
3035	$itk_component(max) value $max
3036	$itk_component(min) value $min
3037	} else {
3038	# extend min first, then update max
3039	$itk_component(min) value $min
3040	$itk_component(max) value $max
3041	}
3042	}
3043
3044	#
3045	# SetCurrentColormap --
3046	#
3047	itcl::body Rappture::VtkGlyphViewer::SetCurrentColormap { name } {
3048	# Keep track of the colormaps that we build.
3049	if { ![info exists _colormaps($name)] } {
3050	BuildColormap $name
3051	set _colormaps($name) 1
3052	}
3053	set _currentColormap $name
3054	SendCmd "glyphs colormap $_currentColormap"
3055	#SendCmd "cutplane colormap $_currentColormap"
3056	}
3057
3058	#
3059	# BuildColormap --
3060	#
3061	# Build the designated colormap on the server.
3062	#
3063	itcl::body Rappture::VtkGlyphViewer::BuildColormap { name } {
3064	set cmap [ColorsToColormap $name]
3065	if { [llength $cmap] == 0 } {
3066	set cmap "0.0 0.0 0.0 0.0 1.0 1.0 1.0 1.0"
3067	}
3068	set amap "0.0 1.0 1.0 1.0"
3069	SendCmd "colormap add $name { $cmap } { $amap }"
3070	}
3071
3072	itcl::body Rappture::VtkGlyphViewer::SetOrientation { side } {
3073	array set positions {
3074	front "1 0 0 0"
3075	back "0 0 1 0"
3076	left "0.707107 0 -0.707107 0"
3077	right "0.707107 0 0.707107 0"
3078	top "0.707107 -0.707107 0 0"
3079	bottom "0.707107 0.707107 0 0"
3080	}
3081	foreach name { -qw -qx -qy -qz } value $positions($side) {
3082	set _view($name) $value
3083	}
3084	set q [ViewToQuaternion]
3085	$_arcball quaternion $q
3086	SendCmd "camera orient $q"
3087	SendCmd "camera reset"
3088	set _view(-xpan) 0
3089	set _view(-ypan) 0
3090	set _view(-zoom) 1.0
3091	}
3092
3093	itcl::body Rappture::VtkGlyphViewer::SetCurrentFieldName { dataobj } {
3094	set _first $dataobj
3095	$itk_component(field) choices delete 0 end
3096	$itk_component(fieldmenu) delete 0 end
3097	array unset _fields
3098	set _curFldName ""
3099	foreach cname [$_first components] {
3100	foreach fname [$_first fieldnames $cname] {
3101	if { [info exists _fields($fname)] } {
3102	continue
3103	}
3104	foreach { label units components } \
3105	[$_first fieldinfo $fname] break
3106	$itk_component(field) choices insert end "$fname" "$label"
3107	$itk_component(fieldmenu) add radiobutton -label "$label" \
3108	-value $label -variable [itcl::scope _curFldLabel] \
3109	-selectcolor red \
3110	-activebackground $itk_option(-plotbackground) \
3111	-activeforeground $itk_option(-plotforeground) \
3112	-font "Arial 8" \
3113	-command [itcl::code $this LegendTitleAction save]
3114	set _fields($fname) [list $label $units $components]
3115	if { $_curFldName == "" } {
3116	set _curFldName $fname
3117	set _curFldLabel $label
3118	set _curFldComp $components
3119	}
3120	}
3121	}
3122	$itk_component(field) value $_curFldLabel
3123	if { $_settings(-customrange) } {
3124	set limits [list [$itk_component(min) value] [$itk_component(max) value]]
3125	SendCmd "dataset maprange explicit $limits $_curFldName point_data $_curFldComp"
3126	} else {
3127	if { ![info exists _limits($_curFldName)] } {
3128	SendCmd "dataset maprange all"
3129	} else {
3130	set limits $_limits($_curFldName)
3131	SendCmd "dataset maprange explicit $limits $_curFldName point_data $_curFldComp"
3132	}
3133	}
3134	}

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