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source: trunk/gui/scripts/vtkviewer.tcl @ 4659

Last change on this file since 4659 was 4506, checked in by ldelgass, 10 years ago
Skip invalid VTK files when computing bounds/limits
File size: 108.8 KB

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1	# -- mode: tcl; indent-tabs-mode: nil --
2	# ----------------------------------------------------------------------
3	# COMPONENT: vtkviewer - Vtk drawing object viewer
4	#
5	# It connects to the Vtk server running on a rendering farm,
6	# transmits data, and displays the results.
7	# ======================================================================
8	# AUTHOR: Michael McLennan, Purdue University
9	# Copyright (c) 2004-2014 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 *VtkViewer.width 4i widgetDefault
19	option add VtkViewercursor crosshair widgetDefault
20	option add *VtkViewer.height 4i widgetDefault
21	option add *VtkViewer.foreground black widgetDefault
22	option add *VtkViewer.controlBackground gray widgetDefault
23	option add *VtkViewer.controlDarkBackground #999999 widgetDefault
24	option add *VtkViewer.plotBackground black widgetDefault
25	option add *VtkViewer.plotForeground white widgetDefault
26	option add *VtkViewer.font \
27	--helvetica-medium-r-normal--12-* widgetDefault
28
29	# must use this name -- plugs into Rappture::resources::load
30	proc VtkViewer_init_resources {} {
31	Rappture::resources::register \
32	vtkvis_server Rappture::VtkViewer::SetServerList
33	}
34
35	itcl::class Rappture::VtkViewer {
36	inherit Rappture::VisViewer
37
38	itk_option define -plotforeground plotForeground Foreground ""
39	itk_option define -plotbackground plotBackground Background ""
40
41	constructor { hostlist args } {
42	Rappture::VisViewer::constructor $hostlist
43	} {
44	# defined below
45	}
46	destructor {
47	# defined below
48	}
49	public proc SetServerList { namelist } {
50	Rappture::VisViewer::SetServerList "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 limits { colormap }
60	public method parameters {title args} {
61	# do nothing
62	}
63	public method scale {args}
64
65	protected method Connect {}
66	protected method CurrentDatasets {args}
67	protected method Disconnect {}
68	protected method DoResize {}
69	protected method DoRotate {}
70	protected method AdjustSetting {what {value ""}}
71	protected method InitSettings { args }
72	protected method Pan {option x y}
73	protected method Pick {x y}
74	protected method Rebuild {}
75	protected method ReceiveDataset { args }
76	protected method ReceiveImage { args }
77	protected method ReceiveLegend { colormap title vmin vmax size }
78	protected method Rotate {option x y}
79	protected method Zoom {option}
80
81	# The following methods are only used by this class.
82	private method BuildAxisTab {}
83	private method BuildCameraTab {}
84	private method BuildColormap { name styles }
85	private method BuildCutawayTab {}
86	private method BuildDownloadPopup { widget command }
87	private method BuildGlyphsTab {}
88	private method BuildMoleculeTab {}
89	private method BuildPolydataTab {}
90	private method ChangeColormap { dataobj comp color }
91	private method DrawLegend {}
92	private method EnterLegend { x y }
93	private method EventuallyResize { w h }
94	private method EventuallyRotate { q }
95	private method EventuallySetAtomScale { args }
96	private method EventuallySetBondScale { args }
97	private method EventuallySetGlyphsOpacity { args }
98	private method EventuallySetMoleculeOpacity { args }
99	private method EventuallySetMoleculeQuality { args }
100	private method EventuallySetPolydataOpacity { args }
101	private method GetImage { args }
102	private method GetVtkData { args }
103	private method IsValidObject { dataobj }
104	private method LeaveLegend {}
105	private method MotionLegend { x y }
106	private method PanCamera {}
107	private method RequestLegend {}
108	private method SetAtomScale {}
109	private method SetBondScale {}
110	private method SetColormap { dataobj comp }
111	private method SetGlyphsOpacity {}
112	private method SetLegendTip { x y }
113	private method SetMoleculeOpacity {}
114	private method SetMoleculeQuality {}
115	private method SetObjectStyle { dataobj comp }
116	private method SetOpacity { dataset }
117	private method SetOrientation { side }
118	private method SetPolydataOpacity {}
119	private method Slice {option args}
120
121	private variable _arcball ""
122	private variable _dlist ""; # list of data objects
123	private variable _obj2datasets
124	private variable _obj2ovride; # maps dataobj => style override
125	private variable _datasets; # contains all the dataobj-component
126	# datasets in the server
127	private variable _colormaps; # contains all the colormaps
128	# in the server.
129	private variable _dataset2style; # maps dataobj-component to transfunc
130	private variable _style2datasets; # maps tf back to list of
131	# dataobj-components using the tf.
132	private variable _click; # info used for rotate operations
133	private variable _limits; # autoscale min/max for all axes
134	private variable _view; # view params for 3D view
135	private variable _settings
136	private variable _style; # Array of current component styles.
137	private variable _initialStyle; # Array of initial component styles.
138	private variable _axis
139	private variable _reset 1; # Indicates that server was reset and
140	# needs to be reinitialized.
141	private variable _haveGlyphs 0
142	private variable _haveMolecules 0
143	private variable _havePolydata 0
144
145	private variable _first "" ;# This is the topmost dataset.
146	private variable _start 0
147	private variable _title ""
148
149	common _downloadPopup ;# download options from popup
150	private common _hardcopy
151	private variable _width 0
152	private variable _height 0
153	private variable _resizePending 0
154	private variable _rotatePending 0
155	private variable _atomScalePending 0
156	private variable _bondScalePending 0
157	private variable _moleculeOpacityPending 0
158	private variable _moleculeQualityPending 0
159	private variable _polydataOpacityPending 0
160	private variable _glyphsOpacityPending 0
161	private variable _rotateDelay 150
162	private variable _scaleDelay 100
163	}
164
165	itk::usual VtkViewer {
166	keep -background -foreground -cursor -font
167	keep -plotbackground -plotforeground
168	}
169
170	# ----------------------------------------------------------------------
171	# CONSTRUCTOR
172	# ----------------------------------------------------------------------
173	itcl::body Rappture::VtkViewer::constructor {hostlist args} {
174	package require vtk
175	set _serverType "vtkvis"
176
177	# Rebuild event
178	$_dispatcher register !rebuild
179	$_dispatcher dispatch $this !rebuild "[itcl::code $this Rebuild]; list"
180
181	# Resize event
182	$_dispatcher register !resize
183	$_dispatcher dispatch $this !resize "[itcl::code $this DoResize]; list"
184
185	# Rotate event
186	$_dispatcher register !rotate
187	$_dispatcher dispatch $this !rotate "[itcl::code $this DoRotate]; list"
188
189	# Atom scale event
190	$_dispatcher register !atomscale
191	$_dispatcher dispatch $this !atomscale \
192	"[itcl::code $this SetAtomScale]; list"
193
194	# Bond scale event
195	$_dispatcher register !bondscale
196	$_dispatcher dispatch $this !bondscale \
197	"[itcl::code $this SetBondScale]; list"
198
199	# Molecule opacity event
200	$_dispatcher register !moleculeOpacity
201	$_dispatcher dispatch $this !moleculeOpacity \
202	"[itcl::code $this SetMoleculeOpacity]; list"
203
204	# Molecule quality event
205	$_dispatcher register !moleculeQuality
206	$_dispatcher dispatch $this !moleculeQuality \
207	"[itcl::code $this SetMoleculeQuality]; list"
208
209	# Polydata opacity event
210	$_dispatcher register !polydataOpacity
211	$_dispatcher dispatch $this !polydataOpacity \
212	"[itcl::code $this SetPolydataOpacity]; list"
213
214	# Glyphs opacity event
215	$_dispatcher register !glyphsOpacity
216	$_dispatcher dispatch $this !glyphsOpacity \
217	"[itcl::code $this SetGlyphsOpacity]; list"
218
219	#
220	# Populate parser with commands handle incoming requests
221	#
222	$_parser alias image [itcl::code $this ReceiveImage]
223	$_parser alias dataset [itcl::code $this ReceiveDataset]
224	$_parser alias legend [itcl::code $this ReceiveLegend]
225
226	# Initialize the view to some default parameters.
227	array set _view {
228	qw 0.853553
229	qx -0.353553
230	qy 0.353553
231	qz 0.146447
232	zoom 1.0
233	xpan 0
234	ypan 0
235	ortho 0
236	}
237	set _arcball [blt::arcball create 100 100]
238	set q [list $_view(qw) $_view(qx) $_view(qy) $_view(qz)]
239	$_arcball quaternion $q
240
241	set _limits(zmin) 0.0
242	set _limits(zmax) 1.0
243
244	array set _axis [subst {
245	xgrid 0
246	ygrid 0
247	zgrid 0
248	xcutaway 0
249	ycutaway 0
250	zcutaway 0
251	xposition 0
252	yposition 0
253	zposition 0
254	xdirection -1
255	ydirection -1
256	zdirection -1
257	visible 1
258	labels 1
259	}]
260	array set _settings [subst {
261	legend 1
262	glyphs-edges 0
263	glyphs-lighting 1
264	glyphs-opacity 100
265	glyphs-outline 0
266	glyphs-palette BCGYR
267	glyphs-visible 1
268	glyphs-wireframe 0
269	polydata-edges 0
270	polydata-lighting 1
271	polydata-opacity 100
272	polydata-outline 0
273	polydata-palette BCGYR
274	polydata-visible 1
275	polydata-wireframe 0
276	molecule-atomscale 0.3
277	molecule-bondscale 0.075
278	molecule-bondstyle "cylinder"
279	molecule-atoms-visible 1
280	molecule-bonds-visible 1
281	molecule-edges 0
282	molecule-labels 0
283	molecule-lighting 1
284	molecule-opacity 100
285	molecule-outline 0
286	molecule-palette elementDefault
287	molecule-quality 1.0
288	molecule-representation "Ball and Stick"
289	molecule-rscale "covalent"
290	molecule-visible 1
291	molecule-wireframe 0
292	}]
293	itk_component add view {
294	canvas $itk_component(plotarea).view \
295	-highlightthickness 0 -borderwidth 0
296	} {
297	usual
298	ignore -highlightthickness -borderwidth -background
299	}
300
301	set c $itk_component(view)
302	bind $c <Configure> [itcl::code $this EventuallyResize %w %h]
303	bind $c <4> [itcl::code $this Zoom in 0.25]
304	bind $c <5> [itcl::code $this Zoom out 0.25]
305	bind $c <KeyPress-Left> [list %W xview scroll 10 units]
306	bind $c <KeyPress-Right> [list %W xview scroll -10 units]
307	bind $c <KeyPress-Up> [list %W yview scroll 10 units]
308	bind $c <KeyPress-Down> [list %W yview scroll -10 units]
309	bind $c <Enter> "focus %W"
310	bind $c <Control-F1> [itcl::code $this ToggleConsole]
311
312	# Fix the scrollregion in case we go off screen
313	$c configure -scrollregion [$c bbox all]
314
315	set _map(id) [$c create image 0 0 -anchor nw -image $_image(plot)]
316	set _map(cwidth) -1
317	set _map(cheight) -1
318	set _map(zoom) 1.0
319	set _map(original) ""
320
321	set f [$itk_component(main) component controls]
322	itk_component add reset {
323	button $f.reset -borderwidth 1 -padx 1 -pady 1 \
324	-highlightthickness 0 \
325	-image [Rappture::icon reset-view] \
326	-command [itcl::code $this Zoom reset]
327	} {
328	usual
329	ignore -highlightthickness
330	}
331	pack $itk_component(reset) -side top -padx 2 -pady 2
332	Rappture::Tooltip::for $itk_component(reset) \
333	"Reset the view to the default zoom level"
334
335	itk_component add zoomin {
336	button $f.zin -borderwidth 1 -padx 1 -pady 1 \
337	-highlightthickness 0 \
338	-image [Rappture::icon zoom-in] \
339	-command [itcl::code $this Zoom in]
340	} {
341	usual
342	ignore -highlightthickness
343	}
344	pack $itk_component(zoomin) -side top -padx 2 -pady 2
345	Rappture::Tooltip::for $itk_component(zoomin) "Zoom in"
346
347	itk_component add zoomout {
348	button $f.zout -borderwidth 1 -padx 1 -pady 1 \
349	-highlightthickness 0 \
350	-image [Rappture::icon zoom-out] \
351	-command [itcl::code $this Zoom out]
352	} {
353	usual
354	ignore -highlightthickness
355	}
356	pack $itk_component(zoomout) -side top -padx 2 -pady 2
357	Rappture::Tooltip::for $itk_component(zoomout) "Zoom out"
358
359	BuildAxisTab
360	#BuildCutawayTab
361	BuildCameraTab
362
363	# Legend
364
365	set _image(legend) [image create photo]
366	itk_component add legend {
367	canvas $itk_component(plotarea).legend -width 50 -highlightthickness 0
368	} {
369	usual
370	ignore -highlightthickness
371	rename -background -plotbackground plotBackground Background
372	}
373
374	# Hack around the Tk panewindow. The problem is that the requested
375	# size of the 3d view isn't set until an image is retrieved from
376	# the server. So the panewindow uses the tiny size.
377	set w 10000
378	pack forget $itk_component(view)
379	blt::table $itk_component(plotarea) \
380	0,0 $itk_component(view) -fill both -reqwidth $w
381	blt::table configure $itk_component(plotarea) c1 -resize none
382
383	# Bindings for rotation via mouse
384	bind $itk_component(view) <ButtonPress-1> \
385	[itcl::code $this Rotate click %x %y]
386	bind $itk_component(view) <B1-Motion> \
387	[itcl::code $this Rotate drag %x %y]
388	bind $itk_component(view) <ButtonRelease-1> \
389	[itcl::code $this Rotate release %x %y]
390	bind $itk_component(view) <Configure> \
391	[itcl::code $this EventuallyResize %w %h]
392
393	# Bindings for panning via mouse
394	bind $itk_component(view) <ButtonPress-2> \
395	[itcl::code $this Pan click %x %y]
396	bind $itk_component(view) <B2-Motion> \
397	[itcl::code $this Pan drag %x %y]
398	bind $itk_component(view) <ButtonRelease-2> \
399	[itcl::code $this Pan release %x %y]
400
401	#bind $itk_component(view) <ButtonRelease-3> \
402	# [itcl::code $this Pick %x %y]
403
404	# Bindings for panning via keyboard
405	bind $itk_component(view) <KeyPress-Left> \
406	[itcl::code $this Pan set -10 0]
407	bind $itk_component(view) <KeyPress-Right> \
408	[itcl::code $this Pan set 10 0]
409	bind $itk_component(view) <KeyPress-Up> \
410	[itcl::code $this Pan set 0 -10]
411	bind $itk_component(view) <KeyPress-Down> \
412	[itcl::code $this Pan set 0 10]
413	bind $itk_component(view) <Shift-KeyPress-Left> \
414	[itcl::code $this Pan set -2 0]
415	bind $itk_component(view) <Shift-KeyPress-Right> \
416	[itcl::code $this Pan set 2 0]
417	bind $itk_component(view) <Shift-KeyPress-Up> \
418	[itcl::code $this Pan set 0 -2]
419	bind $itk_component(view) <Shift-KeyPress-Down> \
420	[itcl::code $this Pan set 0 2]
421
422	# Bindings for zoom via keyboard
423	bind $itk_component(view) <KeyPress-Prior> \
424	[itcl::code $this Zoom out]
425	bind $itk_component(view) <KeyPress-Next> \
426	[itcl::code $this Zoom in]
427
428	bind $itk_component(view) <Enter> "focus $itk_component(view)"
429
430	if {[string equal "x11" [tk windowingsystem]]} {
431	# Bindings for zoom via mouse
432	bind $itk_component(view) <4> [itcl::code $this Zoom out]
433	bind $itk_component(view) <5> [itcl::code $this Zoom in]
434	}
435
436	set _image(download) [image create photo]
437
438	eval itk_initialize $args
439	Connect
440	}
441
442	# ----------------------------------------------------------------------
443	# DESTRUCTOR
444	# ----------------------------------------------------------------------
445	itcl::body Rappture::VtkViewer::destructor {} {
446	Disconnect
447	$_dispatcher cancel !rebuild
448	$_dispatcher cancel !resize
449	$_dispatcher cancel !rotate
450	image delete $_image(plot)
451	image delete $_image(download)
452	catch { blt::arcball destroy $_arcball }
453	}
454
455	itcl::body Rappture::VtkViewer::DoResize {} {
456	if { $_width < 2 } {
457	set _width 500
458	}
459	if { $_height < 2 } {
460	set _height 500
461	}
462	set _start [clock clicks -milliseconds]
463	SendCmd "screen size $_width $_height"
464
465	set _resizePending 0
466	}
467
468	itcl::body Rappture::VtkViewer::DoRotate {} {
469	set q [list $_view(qw) $_view(qx) $_view(qy) $_view(qz)]
470	SendCmd "camera orient $q"
471	set _rotatePending 0
472	}
473
474	itcl::body Rappture::VtkViewer::EventuallyResize { w h } {
475	set _width $w
476	set _height $h
477	$_arcball resize $w $h
478	if { !$_resizePending } {
479	set _resizePending 1
480	$_dispatcher event -after 200 !resize
481	}
482	}
483
484	itcl::body Rappture::VtkViewer::EventuallyRotate { q } {
485	foreach { _view(qw) _view(qx) _view(qy) _view(qz) } $q break
486	if { !$_rotatePending } {
487	set _rotatePending 1
488	$_dispatcher event -after $_rotateDelay !rotate
489	}
490	}
491
492	itcl::body Rappture::VtkViewer::SetAtomScale {} {
493	SendCmd "molecule ascale $_settings(molecule-atomscale)"
494	set _atomScalePending 0
495	}
496
497	itcl::body Rappture::VtkViewer::SetBondScale {} {
498	SendCmd "molecule bscale $_settings(molecule-bondscale)"
499	set _bondScalePending 0
500	}
501
502	itcl::body Rappture::VtkViewer::SetMoleculeOpacity {} {
503	set _moleculeOpacityPending 0
504	foreach dataset [CurrentDatasets -visible $_first] {
505	foreach { dataobj comp } [split $dataset -] break
506	if { [$dataobj type $comp] == "molecule" } {
507	SetOpacity $dataset
508	}
509	}
510	}
511
512	itcl::body Rappture::VtkViewer::SetMoleculeQuality {} {
513	SendCmd [subst {molecule aquality $_settings(molecule-quality)
514	molecule bquality $_settings(molecule-quality)}]
515	set _moleculeQualityPending 0
516	}
517
518	itcl::body Rappture::VtkViewer::SetGlyphsOpacity {} {
519	set _glyphsOpacityPending 0
520	foreach dataset [CurrentDatasets -visible $_first] {
521	foreach { dataobj comp } [split $dataset -] break
522	if { [$dataobj type $comp] == "glyphs" } {
523	SetOpacity $dataset
524	}
525	}
526	}
527
528	itcl::body Rappture::VtkViewer::SetPolydataOpacity {} {
529	set _polydataOpacityPending 0
530	foreach dataset [CurrentDatasets -visible $_first] {
531	foreach { dataobj comp } [split $dataset -] break
532	if { [$dataobj type $comp] == "polydata" } {
533	SetOpacity $dataset
534	}
535	}
536	}
537
538	itcl::body Rappture::VtkViewer::EventuallySetAtomScale { args } {
539	if { !$_atomScalePending } {
540	set _atomScalePending 1
541	$_dispatcher event -after $_scaleDelay !atomscale
542	}
543	}
544
545	itcl::body Rappture::VtkViewer::EventuallySetBondScale { args } {
546	if { !$_bondScalePending } {
547	set _bondScalePending 1
548	$_dispatcher event -after $_scaleDelay !bondscale
549	}
550	}
551
552	itcl::body Rappture::VtkViewer::EventuallySetMoleculeOpacity { args } {
553	if { !$_moleculeOpacityPending } {
554	set _moleculeOpacityPending 1
555	$_dispatcher event -after $_scaleDelay !moleculeOpacity
556	}
557	}
558
559	itcl::body Rappture::VtkViewer::EventuallySetMoleculeQuality { args } {
560	if { !$_moleculeQualityPending } {
561	set _moleculeQualityPending 1
562	$_dispatcher event -after $_scaleDelay !moleculeQuality
563	}
564	}
565
566	itcl::body Rappture::VtkViewer::EventuallySetPolydataOpacity { args } {
567	if { !$_polydataOpacityPending } {
568	set _polydataOpacityPending 1
569	$_dispatcher event -after $_scaleDelay !polydataOpacity
570	}
571	}
572
573	itcl::body Rappture::VtkViewer::EventuallySetGlyphsOpacity { args } {
574	if { !$_glyphsOpacityPending } {
575	set _glyphsOpacityPending 1
576	$_dispatcher event -after $_scaleDelay !glyphsOpacity
577	}
578	}
579
580	# ----------------------------------------------------------------------
581	# USAGE: add <dataobj> ?<settings>?
582	#
583	# Clients use this to add a data object to the plot. The optional
584	# <settings> are used to configure the plot. Allowed settings are
585	# -color, -brightness, -width, -linestyle, and -raise.
586	# ----------------------------------------------------------------------
587	itcl::body Rappture::VtkViewer::add {dataobj {settings ""}} {
588	array set params {
589	-color auto
590	-width 1
591	-linestyle solid
592	-brightness 0
593	-raise 0
594	-description ""
595	-param ""
596	-type ""
597	}
598	array set params $settings
599	set params(-description) ""
600	set params(-param) ""
601	array set params $settings
602
603	if {$params(-color) == "auto" \|\| $params(-color) == "autoreset"} {
604	# can't handle -autocolors yet
605	set params(-color) black
606	}
607	set pos [lsearch -exact $_dlist $dataobj]
608	if {$pos < 0} {
609	lappend _dlist $dataobj
610	}
611	set _obj2ovride($dataobj-color) $params(-color)
612	set _obj2ovride($dataobj-width) $params(-width)
613	set _obj2ovride($dataobj-raise) $params(-raise)
614	$_dispatcher event -idle !rebuild
615	}
616
617	# ----------------------------------------------------------------------
618	# USAGE: delete ?<dataobj1> <dataobj2> ...?
619	#
620	# Clients use this to delete a dataobj from the plot. If no dataobjs
621	# are specified, then all dataobjs are deleted. No data objects are
622	# deleted. They are only removed from the display list.
623	#
624	# ----------------------------------------------------------------------
625	itcl::body Rappture::VtkViewer::delete {args} {
626	if { [llength $args] == 0} {
627	set args $_dlist
628	}
629	# Delete all specified dataobjs
630	set changed 0
631	foreach dataobj $args {
632	set pos [lsearch -exact $_dlist $dataobj]
633	if { $pos < 0 } {
634	continue; # Don't know anything about it.
635	}
636	# Remove it from the dataobj list.
637	set _dlist [lreplace $_dlist $pos $pos]
638	array unset _obj2ovride $dataobj-*
639	array unset _settings $dataobj-*
640	set changed 1
641	}
642	# If anything changed, then rebuild the plot
643	if { $changed } {
644	$_dispatcher event -idle !rebuild
645	}
646	}
647
648	# ----------------------------------------------------------------------
649	# USAGE: get ?-objects?
650	# USAGE: get ?-visible?
651	# USAGE: get ?-image view?
652	#
653	# Clients use this to query the list of objects being plotted, in
654	# order from bottom to top of this result. The optional "-image"
655	# flag can also request the internal images being shown.
656	# ----------------------------------------------------------------------
657	itcl::body Rappture::VtkViewer::get {args} {
658	if {[llength $args] == 0} {
659	set args "-objects"
660	}
661
662	set op [lindex $args 0]
663	switch -- $op {
664	"-objects" {
665	# put the dataobj list in order according to -raise options
666	set dlist {}
667	foreach dataobj $_dlist {
668	if { ![IsValidObject $dataobj] } {
669	continue
670	}
671	if {[info exists _obj2ovride($dataobj-raise)] &&
672	$_obj2ovride($dataobj-raise)} {
673	set dlist [linsert $dlist 0 $dataobj]
674	} else {
675	lappend dlist $dataobj
676	}
677	}
678	return $dlist
679	}
680	"-visible" {
681	set dlist {}
682	foreach dataobj $_dlist {
683	if { ![IsValidObject $dataobj] } {
684	continue
685	}
686	if { ![info exists _obj2ovride($dataobj-raise)] } {
687	# No setting indicates that the object isn't visible.
688	continue
689	}
690	# Otherwise use the -raise parameter to put the object to
691	# the front of the list.
692	if { $_obj2ovride($dataobj-raise) } {
693	set dlist [linsert $dlist 0 $dataobj]
694	} else {
695	lappend dlist $dataobj
696	}
697	}
698	return $dlist
699	}
700	-image {
701	if {[llength $args] != 2} {
702	error "wrong # args: should be \"get -image view\""
703	}
704	switch -- [lindex $args end] {
705	view {
706	return $_image(plot)
707	}
708	default {
709	error "bad image name \"[lindex $args end]\": should be view"
710	}
711	}
712	}
713	default {
714	error "bad option \"$op\": should be -objects or -image"
715	}
716	}
717	}
718
719	# ----------------------------------------------------------------------
720	# USAGE: scale ?<data1> <data2> ...?
721	#
722	# Sets the default limits for the overall plot according to the
723	# limits of the data for all of the given <data> objects. This
724	# accounts for all objects--even those not showing on the screen.
725	# Because of this, the limits are appropriate for all objects as
726	# the user scans through data in the ResultSet viewer.
727	# ----------------------------------------------------------------------
728	itcl::body Rappture::VtkViewer::scale {args} {
729	foreach dataobj $args {
730	foreach comp [$dataobj components] {
731	set type [$dataobj type $comp]
732	switch -- $type {
733	"polydata" {
734	set _havePolydata 1
735	}
736	"glyphs" {
737	set _haveGlyphs 1
738	}
739	"molecule" {
740	set _haveMolecules 1
741	}
742	}
743	}
744	array set bounds [limits $dataobj]
745	if {[info exists bounds(xmin)] && (![info exists _limits(xmin)] \|\| $_limits(xmin) > $bounds(xmin))} {
746	set _limits(xmin) $bounds(xmin)
747	}
748	if {[info exists bounds(xmax)] && (![info exists _limits(xmax)] \|\| $_limits(xmax) < $bounds(xmax))} {
749	set _limits(xmax) $bounds(xmax)
750	}
751
752	if {[info exists bounds(ymin)] && (![info exists _limits(ymin)] \|\| $_limits(ymin) > $bounds(ymin))} {
753	set _limits(ymin) $bounds(ymin)
754	}
755	if {[info exists bounds(ymax)] && (![info exists _limits(ymax)] \|\| $_limits(ymax) < $bounds(ymax))} {
756	set _limits(ymax) $bounds(ymax)
757	}
758
759	if {[info exists bounds(zmin)] && (![info exists _limits(zmin)] \|\| $_limits(zmin) > $bounds(zmin))} {
760	set _limits(zmin) $bounds(zmin)
761	}
762	if {[info exists bounds(zmax)] && (![info exists _limits(zmax)] \|\| $_limits(zmax) < $bounds(zmax))} {
763	set _limits(zmax) $bounds(zmax)
764	}
765	}
766	if { $_haveGlyphs } {
767	if { ![$itk_component(main) exists "Glyphs Settings"] } {
768	if { [catch { BuildGlyphsTab } errs ] != 0 } {
769	puts stderr "errs=$errs"
770	}
771	}
772	}
773	if { $_havePolydata } {
774	if { ![$itk_component(main) exists "Mesh Settings"] } {
775	if { [catch { BuildPolydataTab } errs ] != 0 } {
776	puts stderr "errs=$errs"
777	}
778	}
779	}
780	if { $_haveMolecules } {
781	if { ![$itk_component(main) exists "Molecule Settings"]} {
782	if { [catch { BuildMoleculeTab } errs ] != 0 } {
783	global errorInfo
784	puts stderr "errs=$errs\nerrorInfo=$errorInfo"
785	}
786	}
787	}
788	}
789
790	# ----------------------------------------------------------------------
791	# USAGE: download coming
792	# USAGE: download controls <downloadCommand>
793	# USAGE: download now
794	#
795	# Clients use this method to create a downloadable representation
796	# of the plot. Returns a list of the form {ext string}, where
797	# "ext" is the file extension (indicating the type of data) and
798	# "string" is the data itself.
799	# ----------------------------------------------------------------------
800	itcl::body Rappture::VtkViewer::download {option args} {
801	switch $option {
802	coming {
803	if {[catch {
804	blt::winop snap $itk_component(plotarea) $_image(download)
805	}]} {
806	$_image(download) configure -width 1 -height 1
807	$_image(download) put #000000
808	}
809	}
810	controls {
811	set popup .vtkviewerdownload
812	if { ![winfo exists .vtkviewerdownload] } {
813	set inner [BuildDownloadPopup $popup [lindex $args 0]]
814	} else {
815	set inner [$popup component inner]
816	}
817	set _downloadPopup(image_controls) $inner.image_frame
818	set num [llength [get]]
819	set num [expr {($num == 1) ? "1 result" : "$num results"}]
820	set word [Rappture::filexfer::label downloadWord]
821	$inner.summary configure -text "$word $num in the following format:"
822	update idletasks ;# Fix initial sizes
823	return $popup
824	}
825	now {
826	set popup .vtkviewerdownload
827	if {[winfo exists .vtkviewerdownload]} {
828	$popup deactivate
829	}
830	switch -- $_downloadPopup(format) {
831	"image" {
832	return [$this GetImage [lindex $args 0]]
833	}
834	"vtk" {
835	return [$this GetVtkData [lindex $args 0]]
836	}
837	}
838	return ""
839	}
840	default {
841	error "bad option \"$option\": should be coming, controls, now"
842	}
843	}
844	}
845
846	# ----------------------------------------------------------------------
847	# USAGE: Connect ?<host:port>,<host:port>...?
848	#
849	# Clients use this method to establish a connection to a new
850	# server, or to reestablish a connection to the previous server.
851	# Any existing connection is automatically closed.
852	# ----------------------------------------------------------------------
853	itcl::body Rappture::VtkViewer::Connect {} {
854	global readyForNextFrame
855	set readyForNextFrame 1
856	set _hosts [GetServerList "vtkvis"]
857	if { "" == $_hosts } {
858	return 0
859	}
860	set result [VisViewer::Connect $_hosts]
861	if { $result } {
862	if { $_reportClientInfo } {
863	# Tell the server the viewer, hub, user and session.
864	# Do this immediately on connect before buffering any commands
865	global env
866
867	set info {}
868	set user "???"
869	if { [info exists env(USER)] } {
870	set user $env(USER)
871	}
872	set session "???"
873	if { [info exists env(SESSION)] } {
874	set session $env(SESSION)
875	}
876	lappend info "hub" [exec hostname]
877	lappend info "client" "vtkviewer"
878	lappend info "user" $user
879	lappend info "session" $session
880	SendCmd "clientinfo [list $info]"
881	}
882
883	set w [winfo width $itk_component(view)]
884	set h [winfo height $itk_component(view)]
885	EventuallyResize $w $h
886	}
887	return $result
888	}
889
890	#
891	# isconnected --
892	#
893	# Indicates if we are currently connected to the visualization server.
894	#
895	itcl::body Rappture::VtkViewer::isconnected {} {
896	return [VisViewer::IsConnected]
897	}
898
899	#
900	# disconnect --
901	#
902	itcl::body Rappture::VtkViewer::disconnect {} {
903	Disconnect
904	set _reset 1
905	}
906
907	#
908	# Disconnect --
909	#
910	# Clients use this method to disconnect from the current rendering
911	# server.
912	#
913	itcl::body Rappture::VtkViewer::Disconnect {} {
914	VisViewer::Disconnect
915
916	# disconnected -- no more data sitting on server
917	array unset _datasets
918	array unset _data
919	array unset _colormaps
920	global readyForNextFrame
921	set readyForNextFrame 1
922	}
923
924	# ----------------------------------------------------------------------
925	# USAGE: ReceiveImage -bytes <size> -type <type> -token <token>
926	#
927	# Invoked automatically whenever the "image" command comes in from
928	# the rendering server. Indicates that binary image data with the
929	# specified <size> will follow.
930	# ----------------------------------------------------------------------
931	itcl::body Rappture::VtkViewer::ReceiveImage { args } {
932	global readyForNextFrame
933	set readyForNextFrame 1
934	array set info {
935	-token "???"
936	-bytes 0
937	-type image
938	}
939	array set info $args
940	set bytes [ReceiveBytes $info(-bytes)]
941	if { $info(-type) == "image" } {
942	if 0 {
943	set f [open "last.ppm" "w"]
944	fconfigure $f -encoding binary
945	puts -nonewline $f $bytes
946	close $f
947	}
948	$_image(plot) configure -data $bytes
949	set time [clock seconds]
950	set date [clock format $time]
951	if { $_start > 0 } {
952	set finish [clock clicks -milliseconds]
953	set _start 0
954	}
955	} elseif { $info(type) == "print" } {
956	set tag $this-print-$info(-token)
957	set _hardcopy($tag) $bytes
958	}
959	}
960
961	#
962	# ReceiveDataset --
963	#
964	itcl::body Rappture::VtkViewer::ReceiveDataset { args } {
965	if { ![isconnected] } {
966	return
967	}
968	set option [lindex $args 0]
969	switch -- $option {
970	"scalar" {
971	set option [lindex $args 1]
972	switch -- $option {
973	"world" {
974	foreach { x y z value tag } [lrange $args 2 end] break
975	}
976	"pixel" {
977	foreach { x y value tag } [lrange $args 2 end] break
978	}
979	}
980	}
981	"vector" {
982	set option [lindex $args 1]
983	switch -- $option {
984	"world" {
985	foreach { x y z vx vy vz tag } [lrange $args 2 end] break
986	}
987	"pixel" {
988	foreach { x y vx vy vz tag } [lrange $args 2 end] break
989	}
990	}
991	}
992	"names" {
993	foreach { name } [lindex $args 1] {
994	#puts stderr "Dataset: $name"
995	}
996	}
997	default {
998	error "unknown dataset option \"$option\" from server"
999	}
1000	}
1001	}
1002
1003	# ----------------------------------------------------------------------
1004	# USAGE: Rebuild
1005	#
1006	# Called automatically whenever something changes that affects the
1007	# data in the widget. Clears any existing data and rebuilds the
1008	# widget to display new data.
1009	# ----------------------------------------------------------------------
1010	itcl::body Rappture::VtkViewer::Rebuild {} {
1011
1012	set w [winfo width $itk_component(view)]
1013	set h [winfo height $itk_component(view)]
1014	if { $w < 2 \|\| $h < 2 } {
1015	$_dispatcher event -idle !rebuild
1016	return
1017	}
1018
1019	# Turn on buffering of commands to the server. We don't want to
1020	# be preempted by a server disconnect/reconnect (which automatically
1021	# generates a new call to Rebuild).
1022	StartBufferingCommands
1023
1024	if { $_reset } {
1025	set _width $w
1026	set _height $h
1027	$_arcball resize $w $h
1028	DoResize
1029	InitSettings axis-xgrid axis-ygrid axis-zgrid axis-mode \
1030	axis-visible axis-labels
1031
1032	StopBufferingCommands
1033	SendCmd "imgflush"
1034	StartBufferingCommands
1035	}
1036
1037	set _limits(zmin) ""
1038	set _limits(zmax) ""
1039	set _first ""
1040	SendCmd "dataset visible 0"
1041	set count 0
1042	foreach dataobj [get -objects] {
1043	if { [info exists _obj2ovride($dataobj-raise)] && $_first == "" } {
1044	set _first $dataobj
1045	}
1046	set _obj2datasets($dataobj) ""
1047	foreach comp [$dataobj components] {
1048	set tag $dataobj-$comp
1049	if { ![info exists _datasets($tag)] } {
1050	set bytes [$dataobj data $comp]
1051	if { $bytes == "" } {
1052	continue
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" [$dataobj hints toolName]
1059	lappend info "tool_version" [$dataobj hints toolRevision]
1060	lappend info "tool_title" [$dataobj hints toolTitle]
1061	lappend info "dataset_label" [$dataobj hints label]
1062	lappend info "dataset_size" $length
1063	lappend info "dataset_tag" $tag
1064	SendCmd [list "clientinfo" $info]
1065	}
1066	SendCmd "dataset add $tag data follows $length"
1067	append _outbuf $bytes
1068	set _datasets($tag) 1
1069	SetObjectStyle $dataobj $comp
1070	}
1071	lappend _obj2datasets($dataobj) $tag
1072	set type [$dataobj type $comp]
1073	if { [info exists _obj2ovride($dataobj-raise)] } {
1074	SendCmd "$type visible 1 $tag"
1075	SetOpacity $tag
1076	}
1077	}
1078	}
1079	if {"" != $_first} {
1080	set location [$_first hints camera]
1081	if { $location != "" } {
1082	array set view $location
1083	}
1084
1085	foreach axis { x y z } {
1086	set label [$_first hints ${axis}label]
1087	if { $label != "" } {
1088	SendCmd [list axis name $axis $label]
1089	}
1090	set units [$_first hints ${axis}units]
1091	if { $units != "" } {
1092	SendCmd [list axis units $axis $units]
1093	}
1094	}
1095	}
1096	if { $_haveGlyphs } {
1097	InitSettings glyphs-outline
1098	}
1099	if { $_haveMolecules } {
1100	InitSettings molecule-outline
1101	}
1102	if { $_havePolydata } {
1103	InitSettings polydata-outline
1104	}
1105	if { $_reset } {
1106	if { $_haveGlyphs } {
1107	InitSettings glyphs-edges glyphs-lighting glyphs-opacity \
1108	glyphs-visible glyphs-wireframe
1109	}
1110	if { $_havePolydata } {
1111	InitSettings polydata-edges polydata-lighting polydata-opacity \
1112	polydata-visible polydata-wireframe
1113	}
1114	if { $_haveMolecules } {
1115	InitSettings molecule-edges molecule-lighting molecule-opacity \
1116	molecule-visible molecule-wireframe molecule-labels
1117	}
1118
1119	set q [list $_view(qw) $_view(qx) $_view(qy) $_view(qz)]
1120	$_arcball quaternion $q
1121	SendCmd "camera reset"
1122	if { $_view(ortho)} {
1123	SendCmd "camera mode ortho"
1124	} else {
1125	SendCmd "camera mode persp"
1126	}
1127	DoRotate
1128	PanCamera
1129	Zoom reset
1130	}
1131
1132	if { $_haveMolecules } {
1133	#InitSettings molecule-representation
1134	}
1135	set _reset 0
1136	global readyForNextFrame
1137	set readyForNextFrame 0; # Don't advance to the next frame
1138	# until we get an image.
1139
1140	# Actually write the commands to the server socket. If it fails, we don't
1141	# care. We're finished here.
1142	blt::busy hold $itk_component(hull)
1143	StopBufferingCommands
1144	blt::busy release $itk_component(hull)
1145	}
1146
1147	# ----------------------------------------------------------------------
1148	# USAGE: CurrentDatasets ?-all -visible? ?dataobjs?
1149	#
1150	# Returns a list of server IDs for the current datasets being displayed. This
1151	# is normally a single ID, but it might be a list of IDs if the current data
1152	# object has multiple components.
1153	# ----------------------------------------------------------------------
1154	itcl::body Rappture::VtkViewer::CurrentDatasets {args} {
1155	set flag [lindex $args 0]
1156	switch -- $flag {
1157	"-all" {
1158	if { [llength $args] > 1 } {
1159	error "CurrentDatasets: can't specify dataobj after \"-all\""
1160	}
1161	set dlist [get -objects]
1162	}
1163	"-visible" {
1164	if { [llength $args] > 1 } {
1165	set dlist {}
1166	set args [lrange $args 1 end]
1167	foreach dataobj $args {
1168	if { [info exists _obj2ovride($dataobj-raise)] } {
1169	lappend dlist $dataobj
1170	}
1171	}
1172	} else {
1173	set dlist [get -visible]
1174	}
1175	}
1176	default {
1177	set dlist $args
1178	}
1179	}
1180	set rlist ""
1181	foreach dataobj $dlist {
1182	foreach comp [$dataobj components] {
1183	set tag $dataobj-$comp
1184	if { [info exists _datasets($tag)] && $_datasets($tag) } {
1185	lappend rlist $tag
1186	}
1187	}
1188	}
1189	return $rlist
1190	}
1191
1192	# ----------------------------------------------------------------------
1193	# USAGE: Zoom in
1194	# USAGE: Zoom out
1195	# USAGE: Zoom reset
1196	#
1197	# Called automatically when the user clicks on one of the zoom
1198	# controls for this widget. Changes the zoom for the current view.
1199	# ----------------------------------------------------------------------
1200	itcl::body Rappture::VtkViewer::Zoom {option} {
1201	switch -- $option {
1202	"in" {
1203	set _view(zoom) [expr {$_view(zoom)*1.25}]
1204	SendCmd "camera zoom $_view(zoom)"
1205	}
1206	"out" {
1207	set _view(zoom) [expr {$_view(zoom)*0.8}]
1208	SendCmd "camera zoom $_view(zoom)"
1209	}
1210	"reset" {
1211	array set _view {
1212	qw 0.853553
1213	qx -0.353553
1214	qy 0.353553
1215	qz 0.146447
1216	zoom 1.0
1217	xpan 0
1218	ypan 0
1219	}
1220	if { $_first != "" } {
1221	set location [$_first hints camera]
1222	if { $location != "" } {
1223	array set _view $location
1224	}
1225	}
1226	set q [list $_view(qw) $_view(qx) $_view(qy) $_view(qz)]
1227	$_arcball quaternion $q
1228	DoRotate
1229	SendCmd "camera reset"
1230	}
1231	}
1232	}
1233
1234	itcl::body Rappture::VtkViewer::PanCamera {} {
1235	set x $_view(xpan)
1236	set y $_view(ypan)
1237	SendCmd "camera pan $x $y"
1238	}
1239
1240	# ----------------------------------------------------------------------
1241	# USAGE: Rotate click <x> <y>
1242	# USAGE: Rotate drag <x> <y>
1243	# USAGE: Rotate release <x> <y>
1244	#
1245	# Called automatically when the user clicks/drags/releases in the
1246	# plot area. Moves the plot according to the user's actions.
1247	# ----------------------------------------------------------------------
1248	itcl::body Rappture::VtkViewer::Rotate {option x y} {
1249	switch -- $option {
1250	"click" {
1251	$itk_component(view) configure -cursor fleur
1252	set _click(x) $x
1253	set _click(y) $y
1254	}
1255	"drag" {
1256	if {[array size _click] == 0} {
1257	Rotate click $x $y
1258	} else {
1259	set w [winfo width $itk_component(view)]
1260	set h [winfo height $itk_component(view)]
1261	if {$w <= 0 \|\| $h <= 0} {
1262	return
1263	}
1264
1265	if {[catch {
1266	# this fails sometimes for no apparent reason
1267	set dx [expr {double($x-$_click(x))/$w}]
1268	set dy [expr {double($y-$_click(y))/$h}]
1269	}]} {
1270	return
1271	}
1272	if { $dx == 0 && $dy == 0 } {
1273	return
1274	}
1275	set q [$_arcball rotate $x $y $_click(x) $_click(y)]
1276	EventuallyRotate $q
1277	set _click(x) $x
1278	set _click(y) $y
1279	}
1280	}
1281	"release" {
1282	Rotate drag $x $y
1283	$itk_component(view) configure -cursor ""
1284	catch {unset _click}
1285	}
1286	default {
1287	error "bad option \"$option\": should be click, drag, release"
1288	}
1289	}
1290	}
1291
1292	itcl::body Rappture::VtkViewer::Pick {x y} {
1293	foreach tag [CurrentDatasets -visible] {
1294	SendCmd "dataset getscalar pixel $x $y $tag"
1295	}
1296	}
1297
1298	# ----------------------------------------------------------------------
1299	# USAGE: $this Pan click x y
1300	# $this Pan drag x y
1301	# $this Pan release x y
1302	#
1303	# Called automatically when the user clicks on one of the zoom
1304	# controls for this widget. Changes the zoom for the current view.
1305	# ----------------------------------------------------------------------
1306	itcl::body Rappture::VtkViewer::Pan {option x y} {
1307	switch -- $option {
1308	"set" {
1309	set w [winfo width $itk_component(view)]
1310	set h [winfo height $itk_component(view)]
1311	set x [expr $x / double($w)]
1312	set y [expr $y / double($h)]
1313	set _view(xpan) [expr $_view(xpan) + $x]
1314	set _view(ypan) [expr $_view(ypan) + $y]
1315	PanCamera
1316	return
1317	}
1318	"click" {
1319	set _click(x) $x
1320	set _click(y) $y
1321	$itk_component(view) configure -cursor hand1
1322	}
1323	"drag" {
1324	if { ![info exists _click(x)] } {
1325	set _click(x) $x
1326	}
1327	if { ![info exists _click(y)] } {
1328	set _click(y) $y
1329	}
1330	set w [winfo width $itk_component(view)]
1331	set h [winfo height $itk_component(view)]
1332	set dx [expr ($_click(x) - $x)/double($w)]
1333	set dy [expr ($_click(y) - $y)/double($h)]
1334	set _click(x) $x
1335	set _click(y) $y
1336	set _view(xpan) [expr $_view(xpan) - $dx]
1337	set _view(ypan) [expr $_view(ypan) - $dy]
1338	PanCamera
1339	}
1340	"release" {
1341	Pan drag $x $y
1342	$itk_component(view) configure -cursor ""
1343	}
1344	default {
1345	error "unknown option \"$option\": should set, click, drag, or release"
1346	}
1347	}
1348	}
1349
1350	# ----------------------------------------------------------------------
1351	# USAGE: InitSettings <what> ?<value>?
1352	#
1353	# Used internally to update rendering settings whenever parameters
1354	# change in the popup settings panel. Sends the new settings off
1355	# to the back end.
1356	# ----------------------------------------------------------------------
1357	itcl::body Rappture::VtkViewer::InitSettings { args } {
1358	foreach setting $args {
1359	AdjustSetting $setting
1360	}
1361	}
1362
1363	#
1364	# AdjustSetting --
1365	#
1366	# Changes/updates a specific setting in the widget. There are
1367	# usually user-setable option. Commands are sent to the render
1368	# server.
1369	#
1370	itcl::body Rappture::VtkViewer::AdjustSetting {what {value ""}} {
1371	if { ![isconnected] } {
1372	return
1373	}
1374	switch -- $what {
1375	"glyphs-opacity" {
1376	foreach dataset [CurrentDatasets -visible $_first] {
1377	foreach { dataobj comp } [split $dataset -] break
1378	if { [$dataobj type $comp] == "glyphs" } {
1379	SetOpacity $dataset
1380	}
1381	}
1382	}
1383	"glyphs-outline" {
1384	set bool $_settings($what)
1385	foreach dataset [CurrentDatasets -visible $_first] {
1386	foreach { dataobj comp } [split $dataset -] break
1387	set type [$dataobj type $comp]
1388	if { $type == "glyphs" } {
1389	SendCmd "outline visible $bool $dataset"
1390	}
1391	}
1392	}
1393	"glyphs-wireframe" {
1394	set bool $_settings($what)
1395	foreach dataset [CurrentDatasets -visible $_first] {
1396	foreach { dataobj comp } [split $dataset -] break
1397	set type [$dataobj type $comp]
1398	if { $type == "glyphs" } {
1399	SendCmd "$type wireframe $bool $dataset"
1400	}
1401	}
1402	}
1403	"glyphs-visible" {
1404	set bool $_settings($what)
1405	foreach dataset [CurrentDatasets -visible $_first] {
1406	foreach { dataobj comp } [split $dataset -] break
1407	set type [$dataobj type $comp]
1408	if { $type == "glyphs" } {
1409	SendCmd "$type visible $bool $dataset"
1410	}
1411	}
1412	}
1413	"glyphs-lighting" {
1414	set bool $_settings($what)
1415	foreach dataset [CurrentDatasets -visible $_first] {
1416	foreach { dataobj comp } [split $dataset -] break
1417	set type [$dataobj type $comp]
1418	if { $type == "glyphs" } {
1419	SendCmd "$type lighting $bool $dataset"
1420	}
1421	}
1422	}
1423	"glyphs-edges" {
1424	set bool $_settings($what)
1425	foreach dataset [CurrentDatasets -visible $_first] {
1426	foreach { dataobj comp } [split $dataset -] break
1427	set type [$dataobj type $comp]
1428	if { $type == "glyphs" } {
1429	SendCmd "$type edges $bool $dataset"
1430	}
1431	}
1432	}
1433	"glyphs-palette" {
1434	set palette [$itk_component(glyphspalette) value]
1435	set _settings($what) $palette
1436	foreach dataset [CurrentDatasets -visible $_first] {
1437	foreach {dataobj comp} [split $dataset -] break
1438	set type [$dataobj type $comp]
1439	if { $type == "glyphs" } {
1440	ChangeColormap $dataobj $comp $palette
1441	# FIXME: fill in current selected fieldname
1442	#SendCmd "glyphs colormode scalar {} $dataset"
1443	}
1444	}
1445	set _legendPending 1
1446	}
1447	"polydata-opacity" {
1448	foreach dataset [CurrentDatasets -visible $_first] {
1449	foreach { dataobj comp } [split $dataset -] break
1450	if { [$dataobj type $comp] == "polydata" } {
1451	SetOpacity $dataset
1452	}
1453	}
1454	}
1455	"polydata-outline" {
1456	set bool $_settings($what)
1457	foreach dataset [CurrentDatasets -visible $_first] {
1458	foreach { dataobj comp } [split $dataset -] break
1459	set type [$dataobj type $comp]
1460	if { $type == "polydata" } {
1461	SendCmd "outline visible $bool $dataset"
1462	}
1463	}
1464	}
1465	"polydata-wireframe" {
1466	set bool $_settings($what)
1467	foreach dataset [CurrentDatasets -visible $_first] {
1468	foreach { dataobj comp } [split $dataset -] break
1469	set type [$dataobj type $comp]
1470	if { $type == "polydata" } {
1471	SendCmd "$type wireframe $bool $dataset"
1472	}
1473	}
1474	}
1475	"polydata-visible" {
1476	set bool $_settings($what)
1477	foreach dataset [CurrentDatasets -visible $_first] {
1478	foreach { dataobj comp } [split $dataset -] break
1479	set type [$dataobj type $comp]
1480	if { $type == "polydata" } {
1481	SendCmd "$type visible $bool $dataset"
1482	}
1483	}
1484	}
1485	"polydata-lighting" {
1486	set bool $_settings($what)
1487	foreach dataset [CurrentDatasets -visible $_first] {
1488	foreach { dataobj comp } [split $dataset -] break
1489	set type [$dataobj type $comp]
1490	if { $type == "polydata" } {
1491	SendCmd "$type lighting $bool $dataset"
1492	}
1493	}
1494	}
1495	"polydata-edges" {
1496	set bool $_settings($what)
1497	foreach dataset [CurrentDatasets -visible $_first] {
1498	foreach { dataobj comp } [split $dataset -] break
1499	set type [$dataobj type $comp]
1500	if { $type == "polydata" } {
1501	SendCmd "$type edges $bool $dataset"
1502	}
1503	}
1504	}
1505	"polydata-palette" {
1506	set palette [$itk_component(meshpalette) value]
1507	set _settings($what) $palette
1508	foreach dataset [CurrentDatasets -visible $_first] {
1509	foreach {dataobj comp} [split $dataset -] break
1510	set type [$dataobj type $comp]
1511	if { $type == "polydata" } {
1512	ChangeColormap $dataobj $comp $palette
1513	# FIXME: fill in current selected fieldname
1514	#SendCmd "polydata colormode scalar {} $dataset"
1515	}
1516	}
1517	set _legendPending 1
1518	}
1519	"molecule-opacity" {
1520	foreach dataset [CurrentDatasets -visible $_first] {
1521	foreach { dataobj comp } [split $dataset -] break
1522	if { [$dataobj type $comp] == "molecule" } {
1523	SetOpacity $dataset
1524	}
1525	}
1526	}
1527	"molecule-outline" {
1528	set bool $_settings($what)
1529	foreach dataset [CurrentDatasets -visible $_first] {
1530	foreach { dataobj comp } [split $dataset -] break
1531	set type [$dataobj type $comp]
1532	if { $type == "molecule" } {
1533	SendCmd "outline visible $bool $dataset"
1534	}
1535	}
1536	}
1537	"molecule-wireframe" {
1538	set bool $_settings($what)
1539	foreach dataset [CurrentDatasets -visible $_first] {
1540	foreach { dataobj comp } [split $dataset -] break
1541	set type [$dataobj type $comp]
1542	if { $type == "molecule" } {
1543	SendCmd "molecule wireframe $bool $dataset"
1544	}
1545	}
1546	}
1547	"molecule-visible" {
1548	set bool $_settings($what)
1549	foreach dataset [CurrentDatasets -visible $_first] {
1550	foreach { dataobj comp } [split $dataset -] break
1551	set type [$dataobj type $comp]
1552	if { $type == "molecule" } {
1553	SendCmd "molecule visible $bool $dataset"
1554	}
1555	}
1556	}
1557	"molecule-lighting" {
1558	set bool $_settings($what)
1559	foreach dataset [CurrentDatasets -visible $_first] {
1560	foreach { dataobj comp } [split $dataset -] break
1561	set type [$dataobj type $comp]
1562	if { $type == "molecule" } {
1563	SendCmd "molecule lighting $bool $dataset"
1564	}
1565	}
1566	}
1567	"molecule-edges" {
1568	set bool $_settings($what)
1569	foreach dataset [CurrentDatasets -visible $_first] {
1570	foreach { dataobj comp } [split $dataset -] break
1571	set type [$dataobj type $comp]
1572	if { $type == "molecule" } {
1573	SendCmd "molecule edges $bool $dataset"
1574	}
1575	}
1576	}
1577	"molecule-palette" {
1578	set palette [$itk_component(moleculepalette) value]
1579	set _settings($what) $palette
1580	foreach dataset [CurrentDatasets -visible $_first] {
1581	foreach {dataobj comp} [split $dataset -] break
1582	set type [$dataobj type $comp]
1583	if { $type == "molecule" } {
1584	ChangeColormap $dataobj $comp $palette
1585	if { $palette == "elementDefault" } {
1586	SendCmd "molecule colormode by_elements element $dataset"
1587	} else {
1588	# FIXME: Set the chosen scalar field name here
1589	SendCmd "molecule colormode scalar {} $dataset"
1590	}
1591	}
1592	}
1593	set _legendPending 1
1594	}
1595	"molecule-representation" {
1596	set value [$itk_component(representation) value]
1597	set value [$itk_component(representation) translate $value]
1598	switch -- $value {
1599	"ballandstick" {
1600	set _settings(molecule-rscale) covalent
1601	set _settings(molecule-atoms-visible) 1
1602	set _settings(molecule-bonds-visible) 1
1603	set _settings(molecule-bondstyle) cylinder
1604	set _settings(molecule-atomscale) 0.3
1605	set _settings(molecule-bondscale) 0.075
1606	}
1607	"balls" - "spheres" {
1608	set _settings(molecule-rscale) covalent
1609	set _settings(molecule-atoms-visible) 1
1610	set _settings(molecule-bonds-visible) 0
1611	set _settings(molecule-bondstyle) cylinder
1612	set _settings(molecule-atomscale) 0.3
1613	set _settings(molecule-bondscale) 0.075
1614	}
1615	"sticks" {
1616	set _settings(molecule-rscale) none
1617	set _settings(molecule-atoms-visible) 1
1618	set _settings(molecule-bonds-visible) 1
1619	set _settings(molecule-bondstyle) cylinder
1620	set _settings(molecule-atomscale) 0.075
1621	set _settings(molecule-bondscale) 0.075
1622	}
1623	"spacefilling" {
1624	set _settings(molecule-rscale) van_der_waals
1625	set _settings(molecule-atoms-visible) 1
1626	set _settings(molecule-bonds-visible) 0
1627	set _settings(molecule-bondstyle) cylinder
1628	set _settings(molecule-atomscale) 1.0
1629	set _settings(molecule-bondscale) 0.075
1630	}
1631	"rods" {
1632	set _settings(molecule-rscale) none
1633	set _settings(molecule-atoms-visible) 1
1634	set _settings(molecule-bonds-visible) 1
1635	set _settings(molecule-bondstyle) cylinder
1636	set _settings(molecule-atomscale) 0.1
1637	set _settings(molecule-bondscale) 0.1
1638	}
1639	"wireframe" - "lines" {
1640	set _settings(molecule-rscale) none
1641	set _settings(molecule-atoms-visible) 0
1642	set _settings(molecule-bonds-visible) 1
1643	set _settings(molecule-bondstyle) line
1644	set _settings(molecule-atomscale) 1.0
1645	set _settings(molecule-bondscale) 1.0
1646	}
1647	default {
1648	error "unknown representation $value"
1649	}
1650	}
1651	$itk_component(rscale) value [$itk_component(rscale) label $_settings(molecule-rscale)]
1652	switch -- $value {
1653	"ballandstick" - "balls" - "spheres" {
1654	$itk_component(rscale) configure -state normal
1655	}
1656	default {
1657	$itk_component(rscale) configure -state disabled
1658	}
1659	}
1660	foreach dataset [CurrentDatasets -all] {
1661	foreach {dataobj comp} [split $dataset -] break
1662	set type [$dataobj type $comp]
1663	if { $type == "molecule" } {
1664	SendCmd [subst {molecule rscale $_settings(molecule-rscale) $dataset
1665	molecule ascale $_settings(molecule-atomscale) $dataset
1666	molecule bscale $_settings(molecule-bondscale) $dataset
1667	molecule bstyle $_settings(molecule-bondstyle) $dataset
1668	molecule atoms $_settings(molecule-atoms-visible) $dataset
1669	molecule bonds $_settings(molecule-bonds-visible) $dataset}]
1670	}
1671	}
1672	}
1673	"molecule-rscale" {
1674	set value [$itk_component(rscale) value]
1675	set value [$itk_component(rscale) translate $value]
1676	set _settings($what) $value
1677	foreach dataset [CurrentDatasets -visible $_first] {
1678	foreach {dataobj comp} [split $dataset -] break
1679	set type [$dataobj type $comp]
1680	if { $type == "molecule" } {
1681	SendCmd [subst {molecule rscale $_settings($what) $dataset}]
1682	}
1683	}
1684	}
1685	"molecule-labels" {
1686	set bool $_settings($what)
1687	foreach dataset [CurrentDatasets -visible $_first] {
1688	foreach { dataobj comp } [split $dataset -] break
1689	set type [$dataobj type $comp]
1690	if { $type == "molecule" } {
1691	SendCmd "molecule labels $bool $dataset"
1692	}
1693	}
1694	}
1695	"axis-visible" {
1696	set bool $_axis(visible)
1697	SendCmd "axis visible all $bool"
1698	}
1699	"axis-labels" {
1700	set bool $_axis(labels)
1701	SendCmd "axis labels all $bool"
1702	}
1703	"axis-xgrid" {
1704	set bool $_axis(xgrid)
1705	SendCmd "axis grid x $bool"
1706	}
1707	"axis-ygrid" {
1708	set bool $_axis(ygrid)
1709	SendCmd "axis grid y $bool"
1710	}
1711	"axis-zgrid" {
1712	set bool $_axis(zgrid)
1713	SendCmd "axis grid z $bool"
1714	}
1715	"axis-mode" {
1716	set mode [$itk_component(axismode) value]
1717	set mode [$itk_component(axismode) translate $mode]
1718	SendCmd "axis flymode $mode"
1719	}
1720	"axis-xcutaway" - "axis-ycutaway" - "axis-zcutaway" {
1721	set axis [string range $what 5 5]
1722	set bool $_axis(${axis}cutaway)
1723	if { $bool } {
1724	set pos [expr $_axis(${axis}position) * 0.01]
1725	set dir $_axis(${axis}direction)
1726	$itk_component(${axis}CutScale) configure -state normal \
1727	-troughcolor white
1728	SendCmd "renderer clipplane $axis $pos $dir"
1729	} else {
1730	$itk_component(${axis}CutScale) configure -state disabled \
1731	-troughcolor grey82
1732	SendCmd "renderer clipplane $axis 1 -1"
1733	}
1734	}
1735	"axis-xposition" - "axis-yposition" - "axis-zposition" -
1736	"axis-xdirection" - "axis-ydirection" - "axis-zdirection" {
1737	set axis [string range $what 5 5]
1738	#set dir $_axis(${axis}direction)
1739	set pos [expr $_axis(${axis}position) * 0.01]
1740	SendCmd "renderer clipplane ${axis} $pos -1"
1741	}
1742	default {
1743	error "don't know how to fix $what"
1744	}
1745	}
1746	}
1747
1748	#
1749	# RequestLegend --
1750	#
1751	# Request a new legend from the server. The size of the legend
1752	# is determined from the height of the canvas. It will be rotated
1753	# to be vertical when drawn.
1754	#
1755	itcl::body Rappture::VtkViewer::RequestLegend {} {
1756	set font "Arial 8"
1757	set lineht [font metrics $font -linespace]
1758	set w 12
1759	set h [expr {$_height - 2 * ($lineht + 2)}]
1760	if { $h < 1 } {
1761	return
1762	}
1763	# Set the legend on the first dataset.
1764	foreach dataset [CurrentDatasets -visible] {
1765	foreach {dataobj comp} [split $dataset -] break
1766	if { [info exists _dataset2style($dataset)] } {
1767	SendCmd "legend $_dataset2style($dataset) vmag {} {} $w $h 0"
1768	break;
1769	}
1770	}
1771	}
1772
1773	#
1774	# ChangeColormap --
1775	#
1776	itcl::body Rappture::VtkViewer::ChangeColormap {dataobj comp color} {
1777	set tag $dataobj-$comp
1778	if { ![info exist _style($tag)] } {
1779	error "no initial colormap"
1780	}
1781	array set style $_style($tag)
1782	set style(-color) $color
1783	set _style($tag) [array get style]
1784	SetColormap $dataobj $comp
1785	}
1786
1787	#
1788	# SetColormap --
1789	#
1790	itcl::body Rappture::VtkViewer::SetColormap { dataobj comp } {
1791	array set style {
1792	-color BCGYR
1793	-levels 6
1794	-opacity 1.0
1795	}
1796	if {[$dataobj type $comp] == "molecule"} {
1797	set style(-color) elementDefault
1798	}
1799	set tag $dataobj-$comp
1800	if { ![info exists _initialStyle($tag)] } {
1801	# Save the initial component style.
1802	set _initialStyle($tag) [$dataobj style $comp]
1803	}
1804
1805	# Override defaults with initial style defined in xml.
1806	array set style $_initialStyle($tag)
1807
1808	if { ![info exists _style($tag)] } {
1809	set _style($tag) [array get style]
1810	}
1811	# Override initial style with current style.
1812	array set style $_style($tag)
1813
1814	if { $style(-color) == "elementDefault" } {
1815	set name "$style(-color)"
1816	} else {
1817	set name "$style(-color):$style(-levels):$style(-opacity)"
1818	}
1819	if { ![info exists _colormaps($name)] } {
1820	BuildColormap $name [array get style]
1821	set _colormaps($name) 1
1822	}
1823	if { ![info exists _dataset2style($tag)] \|\|
1824	$_dataset2style($tag) != $name } {
1825	set _dataset2style($tag) $name
1826	switch -- [$dataobj type $comp] {
1827	"polydata" {
1828	SendCmd "polydata colormap $name $tag"
1829	}
1830	"glyphs" {
1831	SendCmd "glyphs colormap $name $tag"
1832	}
1833	"molecule" {
1834	SendCmd "molecule colormap $name $tag"
1835	}
1836	}
1837	}
1838	}
1839
1840	#
1841	# BuildColormap --
1842	#
1843	itcl::body Rappture::VtkViewer::BuildColormap { name styles } {
1844	if { $name == "elementDefault" } {
1845	return
1846	}
1847	array set style $styles
1848	set cmap [ColorsToColormap $style(-color)]
1849	if { [llength $cmap] == 0 } {
1850	set cmap "0.0 0.0 0.0 0.0 1.0 1.0 1.0 1.0"
1851	}
1852	if { ![info exists _settings(polydata-opacity)] } {
1853	set _settings(polydata-opacity) $style(-opacity)
1854	}
1855	set max $_settings(polydata-opacity)
1856
1857	set wmap "0.0 1.0 1.0 1.0"
1858	SendCmd "colormap add $name { $cmap } { $wmap }"
1859	}
1860
1861	# ----------------------------------------------------------------------
1862	# CONFIGURATION OPTION: -plotbackground
1863	# ----------------------------------------------------------------------
1864	itcl::configbody Rappture::VtkViewer::plotbackground {
1865	if { [isconnected] } {
1866	foreach {r g b} [Color2RGB $itk_option(-plotbackground)] break
1867	SendCmd "screen bgcolor $r $g $b"
1868	}
1869	}
1870
1871	# ----------------------------------------------------------------------
1872	# CONFIGURATION OPTION: -plotforeground
1873	# ----------------------------------------------------------------------
1874	itcl::configbody Rappture::VtkViewer::plotforeground {
1875	if { [isconnected] } {
1876	foreach {r g b} [Color2RGB $itk_option(-plotforeground)] break
1877	#fix this!
1878	#SendCmd "color background $r $g $b"
1879	}
1880	}
1881
1882	itcl::body Rappture::VtkViewer::limits { dataobj } {
1883	foreach comp [$dataobj components] {
1884	set tag $dataobj-$comp
1885	if { ![info exists _limits($tag)] } {
1886	set data [$dataobj data $comp]
1887	if { $data == "" } {
1888	continue
1889	}
1890	set tmpfile file[pid].vtk
1891	set f [open "$tmpfile" "w"]
1892	fconfigure $f -translation binary -encoding binary
1893	puts $f $data
1894	close $f
1895	set reader [vtkDataSetReader $tag-xvtkDataSetReader]
1896	$reader SetFileName $tmpfile
1897	set debug 0
1898	if {$debug} {
1899	# Only needed for debug output below
1900	$reader ReadAllNormalsOn
1901	$reader ReadAllTCoordsOn
1902	$reader ReadAllScalarsOn
1903	$reader ReadAllColorScalarsOn
1904	$reader ReadAllVectorsOn
1905	$reader ReadAllTensorsOn
1906	$reader ReadAllFieldsOn
1907	}
1908	$reader Update
1909	file delete $tmpfile
1910	set output [$reader GetOutput]
1911	if { $output == "" } {
1912	# Invalid VTK file -- loader failed to parse
1913	continue
1914	}
1915	set _limits($tag) [$output GetBounds]
1916	if {$debug} {
1917	puts stderr "\#scalars=[$reader GetNumberOfScalarsInFile]"
1918	puts stderr "\#vectors=[$reader GetNumberOfVectorsInFile]"
1919	puts stderr "\#tensors=[$reader GetNumberOfTensorsInFile]"
1920	puts stderr "\#normals=[$reader GetNumberOfNormalsInFile]"
1921	puts stderr "\#tcoords=[$reader GetNumberOfTCoordsInFile]"
1922	puts stderr "\#fielddata=[$reader GetNumberOfFieldDataInFile]"
1923	puts stderr "fielddataname=[$reader GetFieldDataNameInFile 0]"
1924	set pointData [$output GetPointData]
1925	if { $pointData != ""} {
1926	puts stderr "point \#arrays=[$pointData GetNumberOfArrays]"
1927	puts stderr "point \#components=[$pointData GetNumberOfComponents]"
1928	puts stderr "point \#tuples=[$pointData GetNumberOfTuples]"
1929	puts stderr "point scalars=[$pointData GetScalars]"
1930	puts stderr "point vectors=[$pointData GetVectors]"
1931	}
1932	set cellData [$output GetCellData]
1933	if { $cellData != ""} {
1934	puts stderr "cell \#arrays=[$cellData GetNumberOfArrays]"
1935	puts stderr "cell \#components=[$cellData GetNumberOfComponents]"
1936	puts stderr "cell \#tuples=[$cellData GetNumberOfTuples]"
1937	puts stderr "cell scalars=[$cellData GetScalars]"
1938	puts stderr "cell vectors=[$cellData GetVectors]"
1939	}
1940	set fieldData [$output GetFieldData]
1941	if { $fieldData != ""} {
1942	puts stderr "field \#arrays=[$fieldData GetNumberOfArrays]"
1943	puts stderr "field \#components=[$fieldData GetNumberOfComponents]"
1944	puts stderr "field \#tuples=[$fieldData GetNumberOfTuples]"
1945	}
1946	}
1947	rename $output ""
1948	rename $reader ""
1949	}
1950	foreach { xMin xMax yMin yMax zMin zMax} $_limits($tag) break
1951	if {![info exists limits(xmin)] \|\| $limits(xmin) > $xMin} {
1952	set limits(xmin) $xMin
1953	}
1954	if {![info exists limits(xmax)] \|\| $limits(xmax) < $xMax} {
1955	set limits(xmax) $xMax
1956	}
1957	if {![info exists limits(ymin)] \|\| $limits(ymin) > $yMin} {
1958	set limits(ymin) $xMin
1959	}
1960	if {![info exists limits(ymax)] \|\| $limits(ymax) < $yMax} {
1961	set limits(ymax) $yMax
1962	}
1963	if {![info exists limits(zmin)] \|\| $limits(zmin) > $zMin} {
1964	set limits(zmin) $zMin
1965	}
1966	if {![info exists limits(zmax)] \|\| $limits(zmax) < $zMax} {
1967	set limits(zmax) $zMax
1968	}
1969	}
1970	return [array get limits]
1971	}
1972
1973	itcl::body Rappture::VtkViewer::BuildGlyphsTab {} {
1974
1975	set fg [option get $itk_component(hull) font Font]
1976	#set bfg [option get $itk_component(hull) boldFont Font]
1977
1978	set inner [$itk_component(main) insert 0 \
1979	-title "Glyph Settings" \
1980	-icon [Rappture::icon volume-on]]
1981	$inner configure -borderwidth 4
1982
1983	checkbutton $inner.glyphs \
1984	-text "Show Glyphs" \
1985	-variable [itcl::scope _settings(glyphs-visible)] \
1986	-command [itcl::code $this AdjustSetting glyphs-visible] \
1987	-font "Arial 9" -anchor w
1988
1989	checkbutton $inner.outline \
1990	-text "Show Outline" \
1991	-variable [itcl::scope _settings(glyphs-outline)] \
1992	-command [itcl::code $this AdjustSetting glyphs-outline] \
1993	-font "Arial 9" -anchor w
1994
1995	checkbutton $inner.wireframe \
1996	-text "Show Wireframe" \
1997	-variable [itcl::scope _settings(glyphs-wireframe)] \
1998	-command [itcl::code $this AdjustSetting glyphs-wireframe] \
1999	-font "Arial 9" -anchor w
2000
2001	checkbutton $inner.lighting \
2002	-text "Enable Lighting" \
2003	-variable [itcl::scope _settings(glyphs-lighting)] \
2004	-command [itcl::code $this AdjustSetting glyphs-lighting] \
2005	-font "Arial 9" -anchor w
2006
2007	checkbutton $inner.edges \
2008	-text "Show Edges" \
2009	-variable [itcl::scope _settings(glyphs-edges)] \
2010	-command [itcl::code $this AdjustSetting glyphs-edges] \
2011	-font "Arial 9" -anchor w
2012
2013	label $inner.palette_l -text "Palette" -font "Arial 9" -anchor w
2014	itk_component add glyphspalette {
2015	Rappture::Combobox $inner.palette -width 10 -editable no
2016	}
2017	$inner.palette choices insert end [GetColormapList]
2018	$itk_component(glyphspalette) value "BCGYR"
2019	bind $inner.palette <<Value>> \
2020	[itcl::code $this AdjustSetting glyphs-palette]
2021
2022	label $inner.opacity_l -text "Opacity" -font "Arial 9" -anchor w
2023	::scale $inner.opacity -from 0 -to 100 -orient horizontal \
2024	-variable [itcl::scope _settings(glyphs-opacity)] \
2025	-width 10 \
2026	-showvalue off \
2027	-command [itcl::code $this EventuallySetGlyphsOpacity]
2028	$inner.opacity set $_settings(glyphs-opacity)
2029
2030	blt::table $inner \
2031	0,0 $inner.glyphs -cspan 2 -anchor w -pady 2 \
2032	1,0 $inner.outline -cspan 2 -anchor w -pady 2 \
2033	2,0 $inner.wireframe -cspan 2 -anchor w -pady 2 \
2034	3,0 $inner.lighting -cspan 2 -anchor w -pady 2 \
2035	4,0 $inner.edges -cspan 2 -anchor w -pady 2 \
2036	5,0 $inner.opacity_l -anchor w -pady 2 \
2037	5,1 $inner.opacity -fill x -pady 2 \
2038	6,0 $inner.palette_l -anchor w -pady 2 \
2039	6,1 $inner.palette -fill x -pady 2
2040
2041	blt::table configure $inner r* c* -resize none
2042	blt::table configure $inner r8 c1 -resize expand
2043	}
2044
2045	itcl::body Rappture::VtkViewer::BuildPolydataTab {} {
2046
2047	set fg [option get $itk_component(hull) font Font]
2048	#set bfg [option get $itk_component(hull) boldFont Font]
2049
2050	set inner [$itk_component(main) insert 0 \
2051	-title "Mesh Settings" \
2052	-icon [Rappture::icon mesh]]
2053	$inner configure -borderwidth 4
2054
2055	checkbutton $inner.mesh \
2056	-text "Show Mesh" \
2057	-variable [itcl::scope _settings(polydata-visible)] \
2058	-command [itcl::code $this AdjustSetting polydata-visible] \
2059	-font "Arial 9" -anchor w
2060
2061	checkbutton $inner.outline \
2062	-text "Show Outline" \
2063	-variable [itcl::scope _settings(polydata-outline)] \
2064	-command [itcl::code $this AdjustSetting polydata-outline] \
2065	-font "Arial 9" -anchor w
2066
2067	checkbutton $inner.wireframe \
2068	-text "Show Wireframe" \
2069	-variable [itcl::scope _settings(polydata-wireframe)] \
2070	-command [itcl::code $this AdjustSetting polydata-wireframe] \
2071	-font "Arial 9" -anchor w
2072
2073	checkbutton $inner.lighting \
2074	-text "Enable Lighting" \
2075	-variable [itcl::scope _settings(polydata-lighting)] \
2076	-command [itcl::code $this AdjustSetting polydata-lighting] \
2077	-font "Arial 9" -anchor w
2078
2079	checkbutton $inner.edges \
2080	-text "Show Edges" \
2081	-variable [itcl::scope _settings(polydata-edges)] \
2082	-command [itcl::code $this AdjustSetting polydata-edges] \
2083	-font "Arial 9" -anchor w
2084
2085	label $inner.palette_l -text "Palette" -font "Arial 9" -anchor w
2086	itk_component add meshpalette {
2087	Rappture::Combobox $inner.palette -width 10 -editable no
2088	}
2089	$inner.palette choices insert end [GetColormapList]
2090	$itk_component(meshpalette) value "BCGYR"
2091	bind $inner.palette <<Value>> \
2092	[itcl::code $this AdjustSetting polydata-palette]
2093
2094	label $inner.opacity_l -text "Opacity" -font "Arial 9" -anchor w
2095	::scale $inner.opacity -from 0 -to 100 -orient horizontal \
2096	-variable [itcl::scope _settings(polydata-opacity)] \
2097	-width 10 \
2098	-showvalue off \
2099	-command [itcl::code $this EventuallySetPolydataOpacity]
2100	$inner.opacity set $_settings(polydata-opacity)
2101
2102	blt::table $inner \
2103	0,0 $inner.mesh -cspan 2 -anchor w -pady 2 \
2104	1,0 $inner.outline -cspan 2 -anchor w -pady 2 \
2105	2,0 $inner.wireframe -cspan 2 -anchor w -pady 2 \
2106	3,0 $inner.lighting -cspan 2 -anchor w -pady 2 \
2107	4,0 $inner.edges -cspan 2 -anchor w -pady 2 \
2108	5,0 $inner.opacity_l -anchor w -pady 2 \
2109	5,1 $inner.opacity -fill x -pady 2 \
2110	6,0 $inner.palette_l -anchor w -pady 2 \
2111	6,1 $inner.palette -fill x -pady 2
2112
2113	blt::table configure $inner r* c* -resize none
2114	blt::table configure $inner r8 c1 -resize expand
2115	}
2116
2117	itcl::body Rappture::VtkViewer::BuildAxisTab {} {
2118
2119	set fg [option get $itk_component(hull) font Font]
2120	#set bfg [option get $itk_component(hull) boldFont Font]
2121
2122	set inner [$itk_component(main) insert end \
2123	-title "Axis Settings" \
2124	-icon [Rappture::icon axis1]]
2125	$inner configure -borderwidth 4
2126
2127	checkbutton $inner.visible \
2128	-text "Show Axes" \
2129	-variable [itcl::scope _axis(visible)] \
2130	-command [itcl::code $this AdjustSetting axis-visible] \
2131	-font "Arial 9"
2132
2133	checkbutton $inner.labels \
2134	-text "Show Axis Labels" \
2135	-variable [itcl::scope _axis(labels)] \
2136	-command [itcl::code $this AdjustSetting axis-labels] \
2137	-font "Arial 9"
2138
2139	checkbutton $inner.gridx \
2140	-text "Show X Grid" \
2141	-variable [itcl::scope _axis(xgrid)] \
2142	-command [itcl::code $this AdjustSetting axis-xgrid] \
2143	-font "Arial 9"
2144	checkbutton $inner.gridy \
2145	-text "Show Y Grid" \
2146	-variable [itcl::scope _axis(ygrid)] \
2147	-command [itcl::code $this AdjustSetting axis-ygrid] \
2148	-font "Arial 9"
2149	checkbutton $inner.gridz \
2150	-text "Show Z Grid" \
2151	-variable [itcl::scope _axis(zgrid)] \
2152	-command [itcl::code $this AdjustSetting axis-zgrid] \
2153	-font "Arial 9"
2154
2155	label $inner.mode_l -text "Mode" -font "Arial 9"
2156
2157	itk_component add axismode {
2158	Rappture::Combobox $inner.mode -width 10 -editable no
2159	}
2160	$inner.mode choices insert end \
2161	"static_triad" "static" \
2162	"closest_triad" "closest" \
2163	"furthest_triad" "farthest" \
2164	"outer_edges" "outer"
2165	$itk_component(axismode) value "static"
2166	bind $inner.mode <<Value>> [itcl::code $this AdjustSetting axis-mode]
2167
2168	blt::table $inner \
2169	0,0 $inner.visible -anchor w -cspan 2 \
2170	1,0 $inner.labels -anchor w -cspan 2 \
2171	2,0 $inner.gridx -anchor w -cspan 2 \
2172	3,0 $inner.gridy -anchor w -cspan 2 \
2173	4,0 $inner.gridz -anchor w -cspan 2 \
2174	5,0 $inner.mode_l -anchor w -cspan 2 -padx { 2 0 } \
2175	6,0 $inner.mode -fill x -cspan 2
2176
2177	blt::table configure $inner r* c* -resize none
2178	blt::table configure $inner r7 c1 -resize expand
2179	}
2180
2181	itcl::body Rappture::VtkViewer::BuildCameraTab {} {
2182	set inner [$itk_component(main) insert end \
2183	-title "Camera Settings" \
2184	-icon [Rappture::icon camera]]
2185	$inner configure -borderwidth 4
2186
2187	label $inner.view_l -text "view" -font "Arial 9"
2188	set f [frame $inner.view]
2189	foreach side { front back left right top bottom } {
2190	button $f.$side -image [Rappture::icon view$side] \
2191	-command [itcl::code $this SetOrientation $side]
2192	Rappture::Tooltip::for $f.$side "Change the view to $side"
2193	pack $f.$side -side left
2194	}
2195
2196	blt::table $inner \
2197	0,0 $inner.view_l -anchor e -pady 2 \
2198	0,1 $inner.view -anchor w -pady 2
2199
2200	set labels { qx qy qz qw xpan ypan zoom }
2201	set row 1
2202	foreach tag $labels {
2203	label $inner.${tag}label -text $tag -font "Arial 9"
2204	entry $inner.${tag} -font "Arial 9" -bg white \
2205	-textvariable [itcl::scope _view($tag)]
2206	bind $inner.${tag} <KeyPress-Return> \
2207	[itcl::code $this camera set ${tag}]
2208	blt::table $inner \
2209	$row,0 $inner.${tag}label -anchor e -pady 2 \
2210	$row,1 $inner.${tag} -anchor w -pady 2
2211	blt::table configure $inner r$row -resize none
2212	incr row
2213	}
2214	checkbutton $inner.ortho \
2215	-text "Orthographic Projection" \
2216	-variable [itcl::scope _view(ortho)] \
2217	-command [itcl::code $this camera set ortho] \
2218	-font "Arial 9"
2219	blt::table $inner \
2220	$row,0 $inner.ortho -cspan 2 -anchor w -pady 2
2221	blt::table configure $inner r$row -resize none
2222	incr row
2223
2224	blt::table configure $inner c* r* -resize none
2225	blt::table configure $inner c2 -resize expand
2226	blt::table configure $inner r$row -resize expand
2227	}
2228
2229	itcl::body Rappture::VtkViewer::BuildCutawayTab {} {
2230
2231	set fg [option get $itk_component(hull) font Font]
2232
2233	set inner [$itk_component(main) insert end \
2234	-title "Cutaway Along Axis" \
2235	-icon [Rappture::icon cutbutton]]
2236
2237	$inner configure -borderwidth 4
2238
2239	# X-value slicer...
2240	itk_component add xCutButton {
2241	Rappture::PushButton $inner.xbutton \
2242	-onimage [Rappture::icon x-cutplane] \
2243	-offimage [Rappture::icon x-cutplane] \
2244	-command [itcl::code $this AdjustSetting axis-xcutaway] \
2245	-variable [itcl::scope _axis(xcutaway)]
2246	}
2247	Rappture::Tooltip::for $itk_component(xCutButton) \
2248	"Toggle the X-axis cutaway on/off"
2249
2250	itk_component add xCutScale {
2251	::scale $inner.xval -from 100 -to 0 \
2252	-width 10 -orient vertical -showvalue yes \
2253	-borderwidth 1 -highlightthickness 0 \
2254	-command [itcl::code $this Slice move x] \
2255	-variable [itcl::scope _axis(xposition)]
2256	} {
2257	usual
2258	ignore -borderwidth -highlightthickness
2259	}
2260	# Set the default cutaway value before disabling the scale.
2261	$itk_component(xCutScale) set 100
2262	$itk_component(xCutScale) configure -state disabled
2263	Rappture::Tooltip::for $itk_component(xCutScale) \
2264	"@[itcl::code $this Slice tooltip x]"
2265
2266	itk_component add xDirButton {
2267	Rappture::PushButton $inner.xdir \
2268	-onimage [Rappture::icon arrow-down] \
2269	-onvalue -1 \
2270	-offimage [Rappture::icon arrow-up] \
2271	-offvalue 1 \
2272	-command [itcl::code $this AdjustSetting axis-xdirection] \
2273	-variable [itcl::scope _axis(xdirection)]
2274	}
2275	set _axis(xdirection) -1
2276	Rappture::Tooltip::for $itk_component(xDirButton) \
2277	"Toggle the direction of the X-axis cutaway"
2278
2279	# Y-value slicer...
2280	itk_component add yCutButton {
2281	Rappture::PushButton $inner.ybutton \
2282	-onimage [Rappture::icon y-cutplane] \
2283	-offimage [Rappture::icon y-cutplane] \
2284	-command [itcl::code $this AdjustSetting axis-ycutaway] \
2285	-variable [itcl::scope _axis(ycutaway)]
2286	}
2287	Rappture::Tooltip::for $itk_component(yCutButton) \
2288	"Toggle the Y-axis cutaway on/off"
2289
2290	itk_component add yCutScale {
2291	::scale $inner.yval -from 100 -to 0 \
2292	-width 10 -orient vertical -showvalue yes \
2293	-borderwidth 1 -highlightthickness 0 \
2294	-command [itcl::code $this Slice move y] \
2295	-variable [itcl::scope _axis(yposition)]
2296	} {
2297	usual
2298	ignore -borderwidth -highlightthickness
2299	}
2300	Rappture::Tooltip::for $itk_component(yCutScale) \
2301	"@[itcl::code $this Slice tooltip y]"
2302	# Set the default cutaway value before disabling the scale.
2303	$itk_component(yCutScale) set 100
2304	$itk_component(yCutScale) configure -state disabled
2305
2306	itk_component add yDirButton {
2307	Rappture::PushButton $inner.ydir \
2308	-onimage [Rappture::icon arrow-down] \
2309	-onvalue -1 \
2310	-offimage [Rappture::icon arrow-up] \
2311	-offvalue 1 \
2312	-command [itcl::code $this AdjustSetting axis-ydirection] \
2313	-variable [itcl::scope _axis(ydirection)]
2314	}
2315	Rappture::Tooltip::for $itk_component(yDirButton) \
2316	"Toggle the direction of the Y-axis cutaway"
2317	set _axis(ydirection) -1
2318
2319	# Z-value slicer...
2320	itk_component add zCutButton {
2321	Rappture::PushButton $inner.zbutton \
2322	-onimage [Rappture::icon z-cutplane] \
2323	-offimage [Rappture::icon z-cutplane] \
2324	-command [itcl::code $this AdjustSetting axis-zcutaway] \
2325	-variable [itcl::scope _axis(zcutaway)]
2326	}
2327	Rappture::Tooltip::for $itk_component(zCutButton) \
2328	"Toggle the Z-axis cutaway on/off"
2329
2330	itk_component add zCutScale {
2331	::scale $inner.zval -from 100 -to 0 \
2332	-width 10 -orient vertical -showvalue yes \
2333	-borderwidth 1 -highlightthickness 0 \
2334	-command [itcl::code $this Slice move z] \
2335	-variable [itcl::scope _axis(zposition)]
2336	} {
2337	usual
2338	ignore -borderwidth -highlightthickness
2339	}
2340	$itk_component(zCutScale) set 100
2341	$itk_component(zCutScale) configure -state disabled
2342	Rappture::Tooltip::for $itk_component(zCutScale) \
2343	"@[itcl::code $this Slice tooltip z]"
2344
2345	itk_component add zDirButton {
2346	Rappture::PushButton $inner.zdir \
2347	-onimage [Rappture::icon arrow-down] \
2348	-onvalue -1 \
2349	-offimage [Rappture::icon arrow-up] \
2350	-offvalue 1 \
2351	-command [itcl::code $this AdjustSetting axis-zdirection] \
2352	-variable [itcl::scope _axis(zdirection)]
2353	}
2354	set _axis(zdirection) -1
2355	Rappture::Tooltip::for $itk_component(zDirButton) \
2356	"Toggle the direction of the Z-axis cutaway"
2357
2358	blt::table $inner \
2359	0,0 $itk_component(xCutButton) -anchor e -padx 2 -pady 2 \
2360	1,0 $itk_component(xCutScale) -fill y \
2361	0,1 $itk_component(yCutButton) -anchor e -padx 2 -pady 2 \
2362	1,1 $itk_component(yCutScale) -fill y \
2363	0,2 $itk_component(zCutButton) -anchor e -padx 2 -pady 2 \
2364	1,2 $itk_component(zCutScale) -fill y \
2365
2366	blt::table configure $inner r* c* -resize none
2367	blt::table configure $inner r1 c3 -resize expand
2368	}
2369
2370	itcl::body Rappture::VtkViewer::BuildMoleculeTab {} {
2371	set fg [option get $itk_component(hull) font Font]
2372
2373	set inner [$itk_component(main) insert 0 \
2374	-title "Molecule Settings" \
2375	-icon [Rappture::icon molecule]]
2376	$inner configure -borderwidth 4
2377
2378	checkbutton $inner.molecule \
2379	-text "Show Molecule" \
2380	-variable [itcl::scope _settings(molecule-visible)] \
2381	-command [itcl::code $this AdjustSetting molecule-visible] \
2382	-font "Arial 9"
2383
2384	checkbutton $inner.outline \
2385	-text "Show Outline" \
2386	-variable [itcl::scope _settings(molecule-outline)] \
2387	-command [itcl::code $this AdjustSetting molecule-outline] \
2388	-font "Arial 9"
2389
2390	checkbutton $inner.label \
2391	-text "Show Atom Labels" \
2392	-variable [itcl::scope _settings(molecule-labels)] \
2393	-command [itcl::code $this AdjustSetting molecule-labels] \
2394	-font "Arial 9"
2395
2396	checkbutton $inner.wireframe \
2397	-text "Show Wireframe" \
2398	-variable [itcl::scope _settings(molecule-wireframe)] \
2399	-command [itcl::code $this AdjustSetting molecule-wireframe] \
2400	-font "Arial 9"
2401
2402	checkbutton $inner.lighting \
2403	-text "Enable Lighting" \
2404	-variable [itcl::scope _settings(molecule-lighting)] \
2405	-command [itcl::code $this AdjustSetting molecule-lighting] \
2406	-font "Arial 9"
2407
2408	checkbutton $inner.edges \
2409	-text "Show Edges" \
2410	-variable [itcl::scope _settings(molecule-edges)] \
2411	-command [itcl::code $this AdjustSetting molecule-edges] \
2412	-font "Arial 9"
2413
2414	label $inner.rep_l -text "Molecule Representation" \
2415	-font "Arial 9"
2416
2417	itk_component add representation {
2418	Rappture::Combobox $inner.rep -width 20 -editable no
2419	}
2420	$inner.rep choices insert end \
2421	"ballandstick" "Ball and Stick" \
2422	"spheres" "Spheres" \
2423	"sticks" "Sticks" \
2424	"rods" "Rods" \
2425	"wireframe" "Wireframe" \
2426	"spacefilling" "Space Filling"
2427
2428	bind $inner.rep <<Value>> \
2429	[itcl::code $this AdjustSetting molecule-representation]
2430	$inner.rep value "Ball and Stick"
2431
2432	label $inner.rscale_l -text "Atom Radii" \
2433	-font "Arial 9"
2434
2435	itk_component add rscale {
2436	Rappture::Combobox $inner.rscale -width 20 -editable no
2437	}
2438	$inner.rscale choices insert end \
2439	"atomic" "Atomic" \
2440	"covalent" "Covalent" \
2441	"van_der_waals" "VDW" \
2442	"none" "Constant"
2443
2444	bind $inner.rscale <<Value>> \
2445	[itcl::code $this AdjustSetting molecule-rscale]
2446	$inner.rscale value "Covalent"
2447
2448	label $inner.palette_l -text "Palette" -font "Arial 9"
2449	itk_component add moleculepalette {
2450	Rappture::Combobox $inner.palette -width 10 -editable no
2451	}
2452	$inner.palette choices insert end [GetColormapList -includeElementDefault]
2453	$itk_component(moleculepalette) value "elementDefault"
2454	bind $inner.palette <<Value>> \
2455	[itcl::code $this AdjustSetting molecule-palette]
2456
2457	label $inner.atomscale_l -text "Atom Scale" -font "Arial 9"
2458	::scale $inner.atomscale -width 15 -font "Arial 7" \
2459	-from 0.025 -to 2.0 -resolution 0.025 -label "" \
2460	-showvalue true -orient horizontal \
2461	-command [itcl::code $this EventuallySetAtomScale] \
2462	-variable [itcl::scope _settings(molecule-atomscale)]
2463	$inner.atomscale set $_settings(molecule-atomscale)
2464	Rappture::Tooltip::for $inner.atomscale \
2465	"Adjust relative scale of atoms (spheres or balls)."
2466
2467	label $inner.bondscale_l -text "Bond Scale" -font "Arial 9"
2468	::scale $inner.bondscale -width 15 -font "Arial 7" \
2469	-from 0.005 -to 0.3 -resolution 0.005 -label "" \
2470	-showvalue true -orient horizontal \
2471	-command [itcl::code $this EventuallySetBondScale] \
2472	-variable [itcl::scope _settings(molecule-bondscale)]
2473	Rappture::Tooltip::for $inner.bondscale \
2474	"Adjust scale of bonds (sticks)."
2475	$inner.bondscale set $_settings(molecule-bondscale)
2476
2477	label $inner.opacity_l -text "Opacity" -font "Arial 9"
2478	::scale $inner.opacity -from 0 -to 100 -orient horizontal \
2479	-variable [itcl::scope _settings(molecule-opacity)] \
2480	-width 15 -font "Arial 7" \
2481	-showvalue on \
2482	-command [itcl::code $this EventuallySetMoleculeOpacity]
2483
2484	label $inner.quality_l -text "Quality" -font "Arial 9"
2485	::scale $inner.quality -width 15 -font "Arial 7" \
2486	-from 0.0 -to 10.0 -resolution 0.1 -label "" \
2487	-showvalue true -orient horizontal \
2488	-command [itcl::code $this EventuallySetMoleculeQuality] \
2489	-variable [itcl::scope _settings(molecule-quality)]
2490	Rappture::Tooltip::for $inner.quality \
2491	"Adjust tesselation quality"
2492	$inner.quality set $_settings(molecule-quality)
2493
2494	blt::table $inner \
2495	0,0 $inner.molecule -anchor w -pady {1 0} \
2496	1,0 $inner.outline -anchor w -pady {1 0} \
2497	2,0 $inner.label -anchor w -pady {1 0} \
2498	3,0 $inner.edges -anchor w -pady {1 0} \
2499	4,0 $inner.rep_l -anchor w -pady { 2 0 } \
2500	5,0 $inner.rep -fill x -pady 2 \
2501	6,0 $inner.rscale_l -anchor w -pady { 2 0 } \
2502	7,0 $inner.rscale -fill x -pady 2 \
2503	8,0 $inner.palette_l -anchor w -pady 0 \
2504	9,0 $inner.palette -fill x -padx 2 \
2505	10,0 $inner.atomscale_l -anchor w -pady {3 0} \
2506	11,0 $inner.atomscale -fill x -padx 2 \
2507	12,0 $inner.bondscale_l -anchor w -pady {3 0} \
2508	13,0 $inner.bondscale -fill x -padx 2 \
2509	14,0 $inner.opacity_l -anchor w -pady {3 0} \
2510	15,0 $inner.opacity -fill x -padx 2 \
2511	16,0 $inner.quality_l -anchor w -pady {3 0} \
2512	17,0 $inner.quality -fill x -padx 2
2513
2514	blt::table configure $inner r* -resize none
2515	blt::table configure $inner r18 -resize expand
2516	}
2517
2518	#
2519	# camera --
2520	#
2521	itcl::body Rappture::VtkViewer::camera {option args} {
2522	switch -- $option {
2523	"show" {
2524	puts [array get _view]
2525	}
2526	"set" {
2527	set who [lindex $args 0]
2528	set x $_view($who)
2529	set code [catch { string is double $x } result]
2530	if { $code != 0 \|\| !$result } {
2531	return
2532	}
2533	switch -- $who {
2534	"ortho" {
2535	if {$_view(ortho)} {
2536	SendCmd "camera mode ortho"
2537	} else {
2538	SendCmd "camera mode persp"
2539	}
2540	}
2541	"xpan" - "ypan" {
2542	PanCamera
2543	}
2544	"qx" - "qy" - "qz" - "qw" {
2545	set q [list $_view(qw) $_view(qx) $_view(qy) $_view(qz)]
2546	$_arcball quaternion $q
2547	EventuallyRotate $q
2548	}
2549	"zoom" {
2550	SendCmd "camera zoom $_view(zoom)"
2551	}
2552	}
2553	}
2554	}
2555	}
2556
2557	itcl::body Rappture::VtkViewer::GetVtkData { args } {
2558	set bytes ""
2559	foreach dataobj [get] {
2560	foreach comp [$dataobj components] {
2561	set tag $dataobj-$comp
2562	set contents [$dataobj data $comp]
2563	append bytes "$contents\n"
2564	}
2565	}
2566	return [list .vtk $bytes]
2567	}
2568
2569	itcl::body Rappture::VtkViewer::GetImage { args } {
2570	if { [image width $_image(download)] > 0 &&
2571	[image height $_image(download)] > 0 } {
2572	set bytes [$_image(download) data -format "jpeg -quality 100"]
2573	set bytes [Rappture::encoding::decode -as b64 $bytes]
2574	return [list .jpg $bytes]
2575	}
2576	return ""
2577	}
2578
2579	itcl::body Rappture::VtkViewer::BuildDownloadPopup { popup command } {
2580	Rappture::Balloon $popup \
2581	-title "[Rappture::filexfer::label downloadWord] as..."
2582	set inner [$popup component inner]
2583	label $inner.summary -text "" -anchor w
2584	radiobutton $inner.vtk_button -text "VTK data file" \
2585	-variable [itcl::scope _downloadPopup(format)] \
2586	-font "Helvetica 9 " \
2587	-value vtk
2588	Rappture::Tooltip::for $inner.vtk_button "Save as VTK data file."
2589	radiobutton $inner.image_button -text "Image File" \
2590	-variable [itcl::scope _downloadPopup(format)] \
2591	-value image
2592	Rappture::Tooltip::for $inner.image_button \
2593	"Save as digital image."
2594
2595	button $inner.ok -text "Save" \
2596	-highlightthickness 0 -pady 2 -padx 3 \
2597	-command $command \
2598	-compound left \
2599	-image [Rappture::icon download]
2600
2601	button $inner.cancel -text "Cancel" \
2602	-highlightthickness 0 -pady 2 -padx 3 \
2603	-command [list $popup deactivate] \
2604	-compound left \
2605	-image [Rappture::icon cancel]
2606
2607	blt::table $inner \
2608	0,0 $inner.summary -cspan 2 \
2609	1,0 $inner.vtk_button -anchor w -cspan 2 -padx { 4 0 } \
2610	2,0 $inner.image_button -anchor w -cspan 2 -padx { 4 0 } \
2611	4,1 $inner.cancel -width .9i -fill y \
2612	4,0 $inner.ok -padx 2 -width .9i -fill y
2613	blt::table configure $inner r3 -height 4
2614	blt::table configure $inner r4 -pady 4
2615	raise $inner.image_button
2616	$inner.vtk_button invoke
2617	return $inner
2618	}
2619
2620	itcl::body Rappture::VtkViewer::SetObjectStyle { dataobj comp } {
2621	# Parse style string.
2622	set tag $dataobj-$comp
2623	set type [$dataobj type $comp]
2624	set style [$dataobj style $comp]
2625	if { $dataobj != $_first } {
2626	set settings(-wireframe) 1
2627	}
2628	switch -- $type {
2629	"glyphs" {
2630	array set settings {
2631	-color white
2632	-edgecolor black
2633	-edges 0
2634	-gscale 1
2635	-lighting 1
2636	-linewidth 1.0
2637	-normscale 0
2638	-opacity 1.0
2639	-orientGlyphs 0
2640	-outline 0
2641	-ptsize 1.0
2642	-quality 1
2643	-scaleMode "vcomp"
2644	-shape "sphere"
2645	-visible 1
2646	-wireframe 0
2647	}
2648	array set settings $style
2649	set shape [$dataobj shape $comp]
2650	if {$shape != ""} {
2651	set settings(-shape) $shape
2652	}
2653	SendCmd "outline add $tag"
2654	SendCmd "outline color [Color2RGB $settings(-color)] $tag"
2655	SendCmd "outline visible $settings(-outline) $tag"
2656	set _settings(glyphs-outline) $settings(-outline)
2657
2658	SendCmd "glyphs add $settings(-shape) $tag"
2659	SendCmd "glyphs normscale $settings(-normscale) $tag"
2660	SendCmd "glyphs gscale $settings(-gscale) $tag"
2661	SendCmd "glyphs wireframe $settings(-wireframe) $tag"
2662	SendCmd "glyphs color [Color2RGB $settings(-color)] $tag"
2663	#SendCmd "glyphs colormode constant {} $tag"
2664	# Omitting field name for gorient and smode commands
2665	# defaults to active scalars or vectors depending on mode
2666	SendCmd "glyphs gorient $settings(-orientGlyphs) {} $tag"
2667	SendCmd "glyphs smode $settings(-scaleMode) {} $tag"
2668	SendCmd "glyphs edges $settings(-edges) $tag"
2669	SendCmd "glyphs linecolor [Color2RGB $settings(-edgecolor)] $tag"
2670	SendCmd "glyphs linewidth $settings(-linewidth) $tag"
2671	SendCmd "glyphs ptsize $settings(-ptsize) $tag"
2672	SendCmd "glyphs quality $settings(-quality) $tag"
2673	SendCmd "glyphs lighting $settings(-lighting) $tag"
2674	SendCmd "glyphs opacity $settings(-opacity) $tag"
2675	set _settings(glyphs-opacity) [expr 100.0 * $settings(-opacity)]
2676	SendCmd "glyphs visible $settings(-visible) $tag"
2677	set _settings(glyphs-wireframe) $settings(-wireframe)
2678	}
2679	"molecule" {
2680	array set settings {
2681	-atomscale 0.3
2682	-atomsvisible 1
2683	-bondscale 0.075
2684	-bondstyle "cylinder"
2685	-bondsvisible 1
2686	-edgecolor black
2687	-edges 0
2688	-labels 0
2689	-lighting 1
2690	-linewidth 1.0
2691	-opacity 1.0
2692	-outline 0
2693	-quality 1.0
2694	-representation ""
2695	-rscale "covalent"
2696	-visible 1
2697	-wireframe 0
2698	}
2699	array set settings $style
2700
2701	SendCmd "outline add $tag"
2702	SendCmd "outline color [Color2RGB white] $tag"
2703	SendCmd "outline visible $settings(-outline) $tag"
2704	set _settings(molecule-outline) $settings(-outline)
2705
2706	SendCmd "molecule add $tag"
2707	if {$settings(-representation) != ""} {
2708	switch -- $settings(-representation) {
2709	"ballandstick" {
2710	set _settings(molecule-rscale) covalent
2711	set _settings(molecule-atoms-visible) 1
2712	set _settings(molecule-bonds-visible) 1
2713	set _settings(molecule-bondstyle) cylinder
2714	set _settings(molecule-atomscale) 0.3
2715	set _settings(molecule-bondscale) 0.075
2716	}
2717	"balls" - "spheres" {
2718	set _settings(molecule-rscale) covalent
2719	set _settings(molecule-atoms-visible) 1
2720	set _settings(molecule-bonds-visible) 0
2721	set _settings(molecule-bondstyle) cylinder
2722	set _settings(molecule-atomscale) 0.3
2723	set _settings(molecule-bondscale) 0.075
2724	}
2725	"sticks" {
2726	set _settings(molecule-rscale) none
2727	set _settings(molecule-atoms-visible) 1
2728	set _settings(molecule-bonds-visible) 1
2729	set _settings(molecule-bondstyle) cylinder
2730	set _settings(molecule-atomscale) 0.075
2731	set _settings(molecule-bondscale) 0.075
2732	}
2733	"spacefilling" {
2734	set _settings(molecule-rscale) van_der_waals
2735	set _settings(molecule-atoms-visible) 1
2736	set _settings(molecule-bonds-visible) 0
2737	set _settings(molecule-bondstyle) cylinder
2738	set _settings(molecule-atomscale) 1.0
2739	set _settings(molecule-bondscale) 0.075
2740	}
2741	"rods" {
2742	set _settings(molecule-rscale) none
2743	set _settings(molecule-atoms-visible) 1
2744	set _settings(molecule-bonds-visible) 1
2745	set _settings(molecule-bondstyle) cylinder
2746	set _settings(molecule-atomscale) 0.1
2747	set _settings(molecule-bondscale) 0.1
2748	}
2749	"wireframe" - "lines" {
2750	set _settings(molecule-rscale) none
2751	set _settings(molecule-atoms-visible) 0
2752	set _settings(molecule-bonds-visible) 1
2753	set _settings(molecule-bondstyle) line
2754	set _settings(molecule-atomscale) 1.0
2755	set _settings(molecule-bondscale) 1.0
2756	}
2757	default {
2758	error "unknown representation $value"
2759	}
2760	}
2761	SendCmd "molecule rscale $_settings(molecule-rscale) $tag"
2762	SendCmd "molecule atoms $_settings(molecule-atoms-visible) $tag"
2763	SendCmd "molecule bonds $_settings(molecule-bonds-visible) $tag"
2764	SendCmd "molecule bstyle $_settings(molecule-bondstyle) $tag"
2765	SendCmd "molecule ascale $_settings(molecule-atomscale) $tag"
2766	SendCmd "molecule bscale $_settings(molecule-bondscale) $tag"
2767	$itk_component(representation) value [$itk_component(representation) label $settings(-representation)]
2768	$itk_component(rscale) value [$itk_component(rscale) label $_settings(molecule-rscale)]
2769	switch -- $settings(-representation) {
2770	"ballandstick" - "balls" - "spheres" {
2771	$itk_component(rscale) configure -state normal
2772	}
2773	default {
2774	$itk_component(rscale) configure -state disabled
2775	}
2776	}
2777	} else {
2778	SendCmd "molecule rscale $settings(-rscale) $tag"
2779	set _settings(molecule-rscale) $settings(-rscale)
2780	SendCmd "molecule atoms $settings(-atomsvisible) $tag"
2781	set _settings(molecule-atoms-visible) $settings(-atomsvisible)
2782	SendCmd "molecule bonds $settings(-bondsvisible) $tag"
2783	set _settings(molecule-bonds-visible) $settings(-bondsvisible)
2784	SendCmd "molecule bstyle $settings(-bondstyle) $tag"
2785	set _settings(molecule-bondstyle) $settings(-bondstyle)
2786	SendCmd "molecule ascale $settings(-atomscale) $tag"
2787	set _settings(molecule-atomscale) $settings(-atomscale)
2788	SendCmd "molecule bscale $settings(-bondscale) $tag"
2789	set _settings(molecule-bondscale) $settings(-bondscale)
2790	}
2791	SendCmd "molecule labels $settings(-labels) $tag"
2792	set _settings(molecule-labels) $settings(-labels)
2793	SendCmd "molecule linecolor [Color2RGB $settings(-edgecolor)] $tag"
2794	SendCmd "molecule linewidth $settings(-linewidth) $tag"
2795	SendCmd "molecule edges $settings(-edges) $tag"
2796	set _settings(molecule-edges) $settings(-edges)
2797	SendCmd "molecule lighting $settings(-lighting) $tag"
2798	set _settings(molecule-lighting) $settings(-lighting)
2799	SendCmd "molecule aquality $settings(-quality) $tag"
2800	SendCmd "molecule bquality $settings(-quality) $tag"
2801	set _settings(molecule-quality) $settings(-quality)
2802	SendCmd "molecule visible $settings(-visible) $tag"
2803	set _settings(molecule-visible) $settings(-visible)
2804	set _haveMolecules 1
2805	}
2806	"polydata" {
2807	array set settings {
2808	-cloudstyle "mesh"
2809	-color white
2810	-edgecolor black
2811	-edges 1
2812	-lighting 1
2813	-linewidth 1.0
2814	-opacity 1.0
2815	-outline 0
2816	-visible 1
2817	-wireframe 0
2818	}
2819	array set settings $style
2820
2821	SendCmd "outline add $tag"
2822	SendCmd "outline color [Color2RGB $settings(-color)] $tag"
2823	SendCmd "outline visible $settings(-outline) $tag"
2824	set _settings(polydata-outline) $settings(-outline)
2825
2826	SendCmd "polydata add $tag"
2827	SendCmd "polydata visible $settings(-visible) $tag"
2828	set _settings(polydata-visible) $settings(-visible)
2829	SendCmd "polydata edges $settings(-edges) $tag"
2830	set _settings(polydata-edges) $settings(-edges)
2831	SendCmd "polydata cloudstyle $settings(-cloudstyle) $tag"
2832	SendCmd "polydata color [Color2RGB $settings(-color)] $tag"
2833	#SendCmd "polydata colormode constant {} $tag"
2834	SendCmd "polydata lighting $settings(-lighting) $tag"
2835	set _settings(polydata-lighting) $settings(-lighting)
2836	SendCmd "polydata linecolor [Color2RGB $settings(-edgecolor)] $tag"
2837	SendCmd "polydata linewidth $settings(-linewidth) $tag"
2838	SendCmd "polydata opacity $settings(-opacity) $tag"
2839	set _settings(polydata-opacity) [expr 100.0 * $settings(-opacity)]
2840	SendCmd "polydata wireframe $settings(-wireframe) $tag"
2841	set _settings(polydata-wireframe) $settings(-wireframe)
2842	set havePolyData 1
2843	}
2844	}
2845	SetColormap $dataobj $comp
2846	}
2847
2848	itcl::body Rappture::VtkViewer::IsValidObject { dataobj } {
2849	if {[catch {$dataobj isa Rappture::Drawing} valid] != 0 \|\| !$valid} {
2850	return 0
2851	}
2852	return 1
2853	}
2854
2855	# ----------------------------------------------------------------------
2856	# USAGE: ReceiveLegend <colormap> <title> <vmin> <vmax> <size>
2857	#
2858	# Invoked automatically whenever the "legend" command comes in from
2859	# the rendering server. Indicates that binary image data with the
2860	# specified <size> will follow.
2861	# ----------------------------------------------------------------------
2862	itcl::body Rappture::VtkViewer::ReceiveLegend { colormap title vmin vmax size } {
2863	set _limits(vmin) $vmin
2864	set _limits(vmax) $vmax
2865	set _title $title
2866	if { [IsConnected] } {
2867	set bytes [ReceiveBytes $size]
2868	if { ![info exists _image(legend)] } {
2869	set _image(legend) [image create photo]
2870	}
2871	$_image(legend) configure -data $bytes
2872	DrawLegend
2873	}
2874	}
2875
2876	#
2877	# DrawLegend --
2878	#
2879	# Draws the legend in it's own canvas which resides to the right
2880	# of the contour plot area.
2881	#
2882	itcl::body Rappture::VtkViewer::DrawLegend {} {
2883	set c $itk_component(view)
2884	set w [winfo width $c]
2885	set h [winfo height $c]
2886	set font "Arial 8"
2887	set lineht [font metrics $font -linespace]
2888
2889	if { $_settings(legend) } {
2890	set x [expr $w - 2]
2891	if { [$c find withtag "legend"] == "" } {
2892	$c create image $x [expr {$lineht+2}] \
2893	-anchor ne \
2894	-image $_image(legend) -tags "colormap legend"
2895	$c create text $x 2 \
2896	-anchor ne \
2897	-fill $itk_option(-plotforeground) -tags "vmax legend" \
2898	-font $font
2899	$c create text $x [expr {$h-2}] \
2900	-anchor se \
2901	-fill $itk_option(-plotforeground) -tags "vmin legend" \
2902	-font $font
2903	#$c bind colormap <Enter> [itcl::code $this EnterLegend %x %y]
2904	$c bind colormap <Leave> [itcl::code $this LeaveLegend]
2905	$c bind colormap <Motion> [itcl::code $this MotionLegend %x %y]
2906	}
2907	# Reset the item coordinates according the current size of the plot.
2908	$c coords colormap $x [expr {$lineht+2}]
2909	if { $_limits(vmin) != "" } {
2910	$c itemconfigure vmin -text [format %g $_limits(vmin)]
2911	}
2912	if { $_limits(vmax) != "" } {
2913	$c itemconfigure vmax -text [format %g $_limits(vmax)]
2914	}
2915	$c coords vmin $x [expr {$h-2}]
2916	$c coords vmax $x 2
2917	}
2918	}
2919
2920	#
2921	# EnterLegend --
2922	#
2923	itcl::body Rappture::VtkViewer::EnterLegend { x y } {
2924	SetLegendTip $x $y
2925	}
2926
2927	#
2928	# MotionLegend --
2929	#
2930	itcl::body Rappture::VtkViewer::MotionLegend { x y } {
2931	Rappture::Tooltip::tooltip cancel
2932	set c $itk_component(view)
2933	SetLegendTip $x $y
2934	}
2935
2936	#
2937	# LeaveLegend --
2938	#
2939	itcl::body Rappture::VtkViewer::LeaveLegend { } {
2940	Rappture::Tooltip::tooltip cancel
2941	.rappturetooltip configure -icon ""
2942	}
2943
2944	#
2945	# SetLegendTip --
2946	#
2947	itcl::body Rappture::VtkViewer::SetLegendTip { x y } {
2948	set c $itk_component(view)
2949	set w [winfo width $c]
2950	set h [winfo height $c]
2951	set font "Arial 8"
2952	set lineht [font metrics $font -linespace]
2953
2954	set imgHeight [image height $_image(legend)]
2955	set coords [$c coords colormap]
2956	set imgX [expr $w - [image width $_image(legend)] - 2]
2957	set imgY [expr $y - $lineht - 2]
2958
2959	# Make a swatch of the selected color
2960	if { [catch { $_image(legend) get 10 $imgY } pixel] != 0 } {
2961	return
2962	}
2963	if { ![info exists _image(swatch)] } {
2964	set _image(swatch) [image create photo -width 24 -height 24]
2965	}
2966	set color [eval format "\#%02x%02x%02x" $pixel]
2967	$_image(swatch) put black -to 0 0 23 23
2968	$_image(swatch) put $color -to 1 1 22 22
2969	.rappturetooltip configure -icon $_image(swatch)
2970
2971	# Compute the value of the point
2972	set t [expr 1.0 - (double($imgY) / double($imgHeight-1))]
2973	set value [expr $t * ($_limits(vmax) - $_limits(vmin)) + $_limits(vmin)]
2974	set tipx [expr $x + 15]
2975	set tipy [expr $y - 5]
2976	Rappture::Tooltip::text $c "$_title $value"
2977	Rappture::Tooltip::tooltip show $c +$tipx,+$tipy
2978	}
2979
2980	# ----------------------------------------------------------------------
2981	# USAGE: Slice move x\|y\|z <newval>
2982	#
2983	# Called automatically when the user drags the slider to move the
2984	# cut plane that slices 3D data. Gets the current value from the
2985	# slider and moves the cut plane to the appropriate point in the
2986	# data set.
2987	# ----------------------------------------------------------------------
2988	itcl::body Rappture::VtkViewer::Slice {option args} {
2989	switch -- $option {
2990	"move" {
2991	set axis [lindex $args 0]
2992	set newval [lindex $args 1]
2993	if {[llength $args] != 2} {
2994	error "wrong # args: should be \"Slice move x\|y\|z newval\""
2995	}
2996	set newpos [expr {0.01*$newval}]
2997	SendCmd "renderer clipplane $axis $newpos -1"
2998	}
2999	"tooltip" {
3000	set axis [lindex $args 0]
3001	set val [$itk_component(${axis}CutScale) get]
3002	return "Move the [string toupper $axis] cut plane.\nCurrently: $axis = $val%"
3003	}
3004	default {
3005	error "bad option \"$option\": should be axis, move, or tooltip"
3006	}
3007	}
3008	}
3009
3010	itcl::body Rappture::VtkViewer::SetOrientation { side } {
3011	array set positions {
3012	front "1 0 0 0"
3013	back "0 0 1 0"
3014	left "0.707107 0 -0.707107 0"
3015	right "0.707107 0 0.707107 0"
3016	top "0.707107 -0.707107 0 0"
3017	bottom "0.707107 0.707107 0 0"
3018	}
3019	foreach name { qw qx qy qz } value $positions($side) {
3020	set _view($name) $value
3021	}
3022	set q [list $_view(qw) $_view(qx) $_view(qy) $_view(qz)]
3023	$_arcball quaternion $q
3024	SendCmd "camera orient $q"
3025	SendCmd "camera reset"
3026	set _view(xpan) 0
3027	set _view(ypan) 0
3028	set _view(zoom) 1.0
3029	}
3030
3031	itcl::body Rappture::VtkViewer::SetOpacity { dataset } {
3032	foreach {dataobj comp} [split $dataset -] break
3033	set type [$dataobj type $comp]
3034	set val $_settings($type-opacity)
3035	set sval [expr { 0.01 * double($val) }]
3036	if { !$_obj2ovride($dataobj-raise) } {
3037	# This is wrong. Need to figure out why raise isn't set with 1
3038	#set sval [expr $sval * .6]
3039	}
3040	SendCmd "$type opacity $sval $dataset"
3041	}

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