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source: branches/1.4/gui/scripts/vtkviewer.tcl @ 5312

Last change on this file since 5312 was 5206, checked in by ldelgass, 9 years ago
merge r5195 from trunk
File size: 109.9 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 { dataobj }
60	public method parameters {title args} {
61	# do nothing
62	}
63	public method scale {args}
64
65	# The following methods are only used by this class.
66	private method AdjustSetting {what {value ""}}
67	private method BuildAxisTab {}
68	private method BuildCameraTab {}
69	private method BuildColormap { name styles }
70	private method BuildCutawayTab {}
71	private method BuildDownloadPopup { widget command }
72	private method BuildGlyphsTab {}
73	private method BuildMoleculeTab {}
74	private method BuildPolydataTab {}
75	private method ChangeColormap { dataobj comp color }
76	private method Connect {}
77	private method CurrentDatasets {args}
78	private method Disconnect {}
79	private method DoResize {}
80	private method DoRotate {}
81	private method DrawLegend {}
82	private method EnterLegend { x y }
83	private method EventuallyResize { w h }
84	private method EventuallyRotate { q }
85	private method EventuallySetAtomScale { args }
86	private method EventuallySetBondScale { args }
87	private method EventuallySetGlyphsOpacity { args }
88	private method EventuallySetMoleculeOpacity { args }
89	private method EventuallySetMoleculeQuality { args }
90	private method EventuallySetPolydataOpacity { args }
91	private method GetImage { args }
92	private method GetVtkData { args }
93	private method InitSettings { args }
94	private method IsValidObject { dataobj }
95	private method LeaveLegend {}
96	private method MotionLegend { x y }
97	private method Pan {option x y}
98	private method PanCamera {}
99	private method Pick {x y}
100	private method QuaternionToView { q } {
101	foreach { _view(-qw) _view(-qx) _view(-qy) _view(-qz) } $q break
102	}
103	private method Rebuild {}
104	private method ReceiveDataset { args }
105	private method ReceiveImage { args }
106	private method ReceiveLegend { colormap title vmin vmax size }
107	private method RequestLegend {}
108	private method Rotate {option x y}
109	private method SetAtomScale {}
110	private method SetBondScale {}
111	private method SetColormap { dataobj comp }
112	private method SetGlyphsOpacity {}
113	private method SetLegendTip { x y }
114	private method SetMoleculeOpacity {}
115	private method SetMoleculeQuality {}
116	private method SetObjectStyle { dataobj comp }
117	private method SetOpacity { dataset }
118	private method SetOrientation { side }
119	private method SetPolydataOpacity {}
120	private method Slice {option args}
121	private method ViewToQuaternion {} {
122	return [list $_view(-qw) $_view(-qx) $_view(-qy) $_view(-qz)]
123	}
124	private method Zoom {option}
125
126	private variable _arcball ""
127	private variable _dlist ""; # list of data objects
128	private variable _obj2ovride; # maps dataobj => style override
129	private variable _datasets; # contains all the dataobj-component
130	# datasets in the server
131	private variable _colormaps; # contains all the colormaps
132	# in the server.
133	private variable _dataset2style; # maps dataobj-component to transfunc
134	private variable _click; # info used for rotate operations
135	private variable _limits; # autoscale min/max for all axes
136	private variable _view; # view params for 3D view
137	private variable _settings
138	private variable _style; # Array of current component styles.
139	private variable _initialStyle; # Array of initial component styles.
140	private variable _axis
141	private variable _reset 1; # Connection to server has been reset.
142	private variable _haveGlyphs 0
143	private variable _haveMolecules 0
144	private variable _havePolydata 0
145
146	private variable _first "" ;# This is the topmost dataset.
147	private variable _start 0
148	private variable _title ""
149
150	common _downloadPopup ;# download options from popup
151	private common _hardcopy
152	private variable _width 0
153	private variable _height 0
154	private variable _resizePending 0
155	private variable _rotatePending 0
156	private variable _atomScalePending 0
157	private variable _bondScalePending 0
158	private variable _moleculeOpacityPending 0
159	private variable _moleculeQualityPending 0
160	private variable _polydataOpacityPending 0
161	private variable _glyphsOpacityPending 0
162	private variable _rotateDelay 150
163	private variable _scaleDelay 100
164	}
165
166	itk::usual VtkViewer {
167	keep -background -foreground -cursor -font
168	keep -plotbackground -plotforeground
169	}
170
171	# ----------------------------------------------------------------------
172	# CONSTRUCTOR
173	# ----------------------------------------------------------------------
174	itcl::body Rappture::VtkViewer::constructor {hostlist args} {
175	package require vtk
176	set _serverType "vtkvis"
177
178	# Rebuild event
179	$_dispatcher register !rebuild
180	$_dispatcher dispatch $this !rebuild "[itcl::code $this Rebuild]; list"
181
182	# Resize event
183	$_dispatcher register !resize
184	$_dispatcher dispatch $this !resize "[itcl::code $this DoResize]; list"
185
186	# Rotate event
187	$_dispatcher register !rotate
188	$_dispatcher dispatch $this !rotate "[itcl::code $this DoRotate]; list"
189
190	# Atom scale event
191	$_dispatcher register !atomscale
192	$_dispatcher dispatch $this !atomscale \
193	"[itcl::code $this SetAtomScale]; list"
194
195	# Bond scale event
196	$_dispatcher register !bondscale
197	$_dispatcher dispatch $this !bondscale \
198	"[itcl::code $this SetBondScale]; list"
199
200	# Molecule opacity event
201	$_dispatcher register !moleculeOpacity
202	$_dispatcher dispatch $this !moleculeOpacity \
203	"[itcl::code $this SetMoleculeOpacity]; list"
204
205	# Molecule quality event
206	$_dispatcher register !moleculeQuality
207	$_dispatcher dispatch $this !moleculeQuality \
208	"[itcl::code $this SetMoleculeQuality]; list"
209
210	# Polydata opacity event
211	$_dispatcher register !polydataOpacity
212	$_dispatcher dispatch $this !polydataOpacity \
213	"[itcl::code $this SetPolydataOpacity]; list"
214
215	# Glyphs opacity event
216	$_dispatcher register !glyphsOpacity
217	$_dispatcher dispatch $this !glyphsOpacity \
218	"[itcl::code $this SetGlyphsOpacity]; list"
219
220	#
221	# Populate parser with commands handle incoming requests
222	#
223	$_parser alias image [itcl::code $this ReceiveImage]
224	$_parser alias dataset [itcl::code $this ReceiveDataset]
225	$_parser alias legend [itcl::code $this ReceiveLegend]
226
227	# Initialize the view to some default parameters.
228	array set _view {
229	-ortho 0
230	-qw 0.853553
231	-qx -0.353553
232	-qy 0.353553
233	-qz 0.146447
234	-xpan 0
235	-ypan 0
236	-zoom 1.0
237	}
238	set _arcball [blt::arcball create 100 100]
239	$_arcball quaternion [ViewToQuaternion]
240
241	set _limits(zmin) 0.0
242	set _limits(zmax) 1.0
243
244	array set _axis [subst {
245	labels 1
246	minorticks 1
247	visible 1
248	xgrid 0
249	ygrid 0
250	zgrid 0
251	xcutaway 0
252	ycutaway 0
253	zcutaway 0
254	xposition 0
255	yposition 0
256	zposition 0
257	xdirection -1
258	ydirection -1
259	zdirection -1
260	}]
261	array set _settings [subst {
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	legend 1
270	molecule-atoms-visible 1
271	molecule-atomscale 0.3
272	molecule-bonds-visible 1
273	molecule-bondscale 0.075
274	molecule-bondstyle "cylinder"
275	molecule-edges 0
276	molecule-labels 0
277	molecule-lighting 1
278	molecule-opacity 100
279	molecule-outline 0
280	molecule-palette elementDefault
281	molecule-quality 1.0
282	molecule-representation "Ball and Stick"
283	molecule-rscale "covalent"
284	molecule-visible 1
285	molecule-wireframe 0
286	polydata-edges 0
287	polydata-lighting 1
288	polydata-opacity 100
289	polydata-outline 0
290	polydata-palette BCGYR
291	polydata-visible 1
292	polydata-wireframe 0
293	}]
294	itk_component add view {
295	canvas $itk_component(plotarea).view \
296	-highlightthickness 0 -borderwidth 0
297	} {
298	usual
299	ignore -highlightthickness -borderwidth -background
300	}
301
302	set c $itk_component(view)
303	bind $c <Configure> [itcl::code $this EventuallyResize %w %h]
304	bind $c <4> [itcl::code $this Zoom in 0.25]
305	bind $c <5> [itcl::code $this Zoom out 0.25]
306	bind $c <KeyPress-Left> [list %W xview scroll 10 units]
307	bind $c <KeyPress-Right> [list %W xview scroll -10 units]
308	bind $c <KeyPress-Up> [list %W yview scroll 10 units]
309	bind $c <KeyPress-Down> [list %W yview scroll -10 units]
310	bind $c <Enter> "focus %W"
311	bind $c <Control-F1> [itcl::code $this ToggleConsole]
312
313	# Fix the scrollregion in case we go off screen
314	$c configure -scrollregion [$c bbox all]
315
316	set _map(id) [$c create image 0 0 -anchor nw -image $_image(plot)]
317	set _map(cwidth) -1
318	set _map(cheight) -1
319	set _map(zoom) 1.0
320	set _map(original) ""
321
322	set f [$itk_component(main) component controls]
323	itk_component add reset {
324	button $f.reset -borderwidth 1 -padx 1 -pady 1 \
325	-highlightthickness 0 \
326	-image [Rappture::icon reset-view] \
327	-command [itcl::code $this Zoom reset]
328	} {
329	usual
330	ignore -highlightthickness
331	}
332	pack $itk_component(reset) -side top -padx 2 -pady 2
333	Rappture::Tooltip::for $itk_component(reset) \
334	"Reset the view to the default zoom level"
335
336	itk_component add zoomin {
337	button $f.zin -borderwidth 1 -padx 1 -pady 1 \
338	-highlightthickness 0 \
339	-image [Rappture::icon zoom-in] \
340	-command [itcl::code $this Zoom in]
341	} {
342	usual
343	ignore -highlightthickness
344	}
345	pack $itk_component(zoomin) -side top -padx 2 -pady 2
346	Rappture::Tooltip::for $itk_component(zoomin) "Zoom in"
347
348	itk_component add zoomout {
349	button $f.zout -borderwidth 1 -padx 1 -pady 1 \
350	-highlightthickness 0 \
351	-image [Rappture::icon zoom-out] \
352	-command [itcl::code $this Zoom out]
353	} {
354	usual
355	ignore -highlightthickness
356	}
357	pack $itk_component(zoomout) -side top -padx 2 -pady 2
358	Rappture::Tooltip::for $itk_component(zoomout) "Zoom out"
359
360	if { [catch {
361	BuildAxisTab
362	#BuildCutawayTab
363	BuildCameraTab
364	} errs] != 0 } {
365	puts stderr errs=$errs
366	}
367
368	# Legend
369	set _image(legend) [image create photo]
370	itk_component add legend {
371	canvas $itk_component(plotarea).legend -width 50 -highlightthickness 0
372	} {
373	usual
374	ignore -highlightthickness
375	rename -background -plotbackground plotBackground Background
376	}
377
378	# Hack around the Tk panewindow. The problem is that the requested
379	# size of the 3d view isn't set until an image is retrieved from
380	# the server. So the panewindow uses the tiny size.
381	set w 10000
382	pack forget $itk_component(view)
383	blt::table $itk_component(plotarea) \
384	0,0 $itk_component(view) -fill both -reqwidth $w
385	blt::table configure $itk_component(plotarea) c1 -resize none
386
387	# Bindings for rotation via mouse
388	bind $itk_component(view) <ButtonPress-1> \
389	[itcl::code $this Rotate click %x %y]
390	bind $itk_component(view) <B1-Motion> \
391	[itcl::code $this Rotate drag %x %y]
392	bind $itk_component(view) <ButtonRelease-1> \
393	[itcl::code $this Rotate release %x %y]
394
395	# Bindings for panning via mouse
396	bind $itk_component(view) <ButtonPress-2> \
397	[itcl::code $this Pan click %x %y]
398	bind $itk_component(view) <B2-Motion> \
399	[itcl::code $this Pan drag %x %y]
400	bind $itk_component(view) <ButtonRelease-2> \
401	[itcl::code $this Pan release %x %y]
402
403	#bind $itk_component(view) <ButtonRelease-3> \
404	# [itcl::code $this Pick %x %y]
405
406	# Bindings for panning via keyboard
407	bind $itk_component(view) <KeyPress-Left> \
408	[itcl::code $this Pan set -10 0]
409	bind $itk_component(view) <KeyPress-Right> \
410	[itcl::code $this Pan set 10 0]
411	bind $itk_component(view) <KeyPress-Up> \
412	[itcl::code $this Pan set 0 -10]
413	bind $itk_component(view) <KeyPress-Down> \
414	[itcl::code $this Pan set 0 10]
415	bind $itk_component(view) <Shift-KeyPress-Left> \
416	[itcl::code $this Pan set -2 0]
417	bind $itk_component(view) <Shift-KeyPress-Right> \
418	[itcl::code $this Pan set 2 0]
419	bind $itk_component(view) <Shift-KeyPress-Up> \
420	[itcl::code $this Pan set 0 -2]
421	bind $itk_component(view) <Shift-KeyPress-Down> \
422	[itcl::code $this Pan set 0 2]
423
424	# Bindings for zoom via keyboard
425	bind $itk_component(view) <KeyPress-Prior> \
426	[itcl::code $this Zoom out]
427	bind $itk_component(view) <KeyPress-Next> \
428	[itcl::code $this Zoom in]
429
430	bind $itk_component(view) <Enter> "focus $itk_component(view)"
431
432	if {[string equal "x11" [tk windowingsystem]]} {
433	# Bindings for zoom via mouse
434	bind $itk_component(view) <4> [itcl::code $this Zoom out]
435	bind $itk_component(view) <5> [itcl::code $this Zoom in]
436	}
437
438	set _image(download) [image create photo]
439
440	eval itk_initialize $args
441
442	EnableWaitDialog 900
443	Connect
444	}
445
446	# ----------------------------------------------------------------------
447	# DESTRUCTOR
448	# ----------------------------------------------------------------------
449	itcl::body Rappture::VtkViewer::destructor {} {
450	Disconnect
451	$_dispatcher cancel !rebuild
452	$_dispatcher cancel !resize
453	$_dispatcher cancel !rotate
454	image delete $_image(plot)
455	image delete $_image(download)
456	catch { blt::arcball destroy $_arcball }
457	}
458
459	itcl::body Rappture::VtkViewer::DoResize {} {
460	if { $_width < 2 } {
461	set _width 500
462	}
463	if { $_height < 2 } {
464	set _height 500
465	}
466	set _start [clock clicks -milliseconds]
467	SendCmd "screen size $_width $_height"
468
469	set _resizePending 0
470	}
471
472	itcl::body Rappture::VtkViewer::DoRotate {} {
473	SendCmd "camera orient [ViewToQuaternion]"
474	set _rotatePending 0
475	}
476
477	itcl::body Rappture::VtkViewer::EventuallyResize { w h } {
478	set _width $w
479	set _height $h
480	$_arcball resize $w $h
481	if { !$_resizePending } {
482	set _resizePending 1
483	$_dispatcher event -after 200 !resize
484	}
485	}
486
487	itcl::body Rappture::VtkViewer::EventuallyRotate { q } {
488	QuaternionToView $q
489	if { !$_rotatePending } {
490	set _rotatePending 1
491	$_dispatcher event -after $_rotateDelay !rotate
492	}
493	}
494
495	itcl::body Rappture::VtkViewer::SetAtomScale {} {
496	SendCmd "molecule ascale $_settings(molecule-atomscale)"
497	set _atomScalePending 0
498	}
499
500	itcl::body Rappture::VtkViewer::SetBondScale {} {
501	SendCmd "molecule bscale $_settings(molecule-bondscale)"
502	set _bondScalePending 0
503	}
504
505	itcl::body Rappture::VtkViewer::SetMoleculeOpacity {} {
506	set _moleculeOpacityPending 0
507	foreach dataset [CurrentDatasets -visible $_first] {
508	foreach { dataobj comp } [split $dataset -] break
509	if { [$dataobj type $comp] == "molecule" } {
510	SetOpacity $dataset
511	}
512	}
513	}
514
515	itcl::body Rappture::VtkViewer::SetMoleculeQuality {} {
516	SendCmd [subst {molecule aquality $_settings(molecule-quality)
517	molecule bquality $_settings(molecule-quality)}]
518	set _moleculeQualityPending 0
519	}
520
521	itcl::body Rappture::VtkViewer::SetGlyphsOpacity {} {
522	set _glyphsOpacityPending 0
523	foreach dataset [CurrentDatasets -visible $_first] {
524	foreach { dataobj comp } [split $dataset -] break
525	if { [$dataobj type $comp] == "glyphs" } {
526	SetOpacity $dataset
527	}
528	}
529	}
530
531	itcl::body Rappture::VtkViewer::SetPolydataOpacity {} {
532	set _polydataOpacityPending 0
533	foreach dataset [CurrentDatasets -visible $_first] {
534	foreach { dataobj comp } [split $dataset -] break
535	if { [$dataobj type $comp] == "polydata" } {
536	SetOpacity $dataset
537	}
538	}
539	}
540
541	itcl::body Rappture::VtkViewer::EventuallySetAtomScale { args } {
542	if { !$_atomScalePending } {
543	set _atomScalePending 1
544	$_dispatcher event -after $_scaleDelay !atomscale
545	}
546	}
547
548	itcl::body Rappture::VtkViewer::EventuallySetBondScale { args } {
549	if { !$_bondScalePending } {
550	set _bondScalePending 1
551	$_dispatcher event -after $_scaleDelay !bondscale
552	}
553	}
554
555	itcl::body Rappture::VtkViewer::EventuallySetMoleculeOpacity { args } {
556	if { !$_moleculeOpacityPending } {
557	set _moleculeOpacityPending 1
558	$_dispatcher event -after $_scaleDelay !moleculeOpacity
559	}
560	}
561
562	itcl::body Rappture::VtkViewer::EventuallySetMoleculeQuality { args } {
563	if { !$_moleculeQualityPending } {
564	set _moleculeQualityPending 1
565	$_dispatcher event -after $_scaleDelay !moleculeQuality
566	}
567	}
568
569	itcl::body Rappture::VtkViewer::EventuallySetPolydataOpacity { args } {
570	if { !$_polydataOpacityPending } {
571	set _polydataOpacityPending 1
572	$_dispatcher event -after $_scaleDelay !polydataOpacity
573	}
574	}
575
576	itcl::body Rappture::VtkViewer::EventuallySetGlyphsOpacity { args } {
577	if { !$_glyphsOpacityPending } {
578	set _glyphsOpacityPending 1
579	$_dispatcher event -after $_scaleDelay !glyphsOpacity
580	}
581	}
582
583	# ----------------------------------------------------------------------
584	# USAGE: add <dataobj> ?<settings>?
585	#
586	# Clients use this to add a data object to the plot. The optional
587	# <settings> are used to configure the plot. Allowed settings are
588	# -color, -brightness, -width, -linestyle, and -raise.
589	# ----------------------------------------------------------------------
590	itcl::body Rappture::VtkViewer::add {dataobj {settings ""}} {
591	array set params {
592	-color auto
593	-width 1
594	-linestyle solid
595	-brightness 0
596	-raise 0
597	-description ""
598	-param ""
599	-type ""
600	}
601	array set params $settings
602	set params(-description) ""
603	set params(-param) ""
604	array set params $settings
605
606	if {$params(-color) == "auto" \|\| $params(-color) == "autoreset"} {
607	# can't handle -autocolors yet
608	set params(-color) black
609	}
610	set pos [lsearch -exact $_dlist $dataobj]
611	if {$pos < 0} {
612	lappend _dlist $dataobj
613	}
614	set _obj2ovride($dataobj-color) $params(-color)
615	set _obj2ovride($dataobj-width) $params(-width)
616	set _obj2ovride($dataobj-raise) $params(-raise)
617	$_dispatcher event -idle !rebuild
618	}
619
620	# ----------------------------------------------------------------------
621	# USAGE: delete ?<dataobj1> <dataobj2> ...?
622	#
623	# Clients use this to delete a dataobj from the plot. If no dataobjs
624	# are specified, then all dataobjs are deleted. No data objects are
625	# deleted. They are only removed from the display list.
626	#
627	# ----------------------------------------------------------------------
628	itcl::body Rappture::VtkViewer::delete {args} {
629	if { [llength $args] == 0} {
630	set args $_dlist
631	}
632	# Delete all specified dataobjs
633	set changed 0
634	foreach dataobj $args {
635	set pos [lsearch -exact $_dlist $dataobj]
636	if { $pos < 0 } {
637	continue; # Don't know anything about it.
638	}
639	# Remove it from the dataobj list.
640	set _dlist [lreplace $_dlist $pos $pos]
641	array unset _obj2ovride $dataobj-*
642	array unset _settings $dataobj-*
643	set changed 1
644	}
645	# If anything changed, then rebuild the plot
646	if { $changed } {
647	$_dispatcher event -idle !rebuild
648	}
649	}
650
651	# ----------------------------------------------------------------------
652	# USAGE: get ?-objects?
653	# USAGE: get ?-visible?
654	# USAGE: get ?-image view?
655	#
656	# Clients use this to query the list of objects being plotted, in
657	# order from bottom to top of this result. The optional "-image"
658	# flag can also request the internal images being shown.
659	# ----------------------------------------------------------------------
660	itcl::body Rappture::VtkViewer::get {args} {
661	if {[llength $args] == 0} {
662	set args "-objects"
663	}
664
665	set op [lindex $args 0]
666	switch -- $op {
667	"-objects" {
668	# put the dataobj list in order according to -raise options
669	set dlist {}
670	foreach dataobj $_dlist {
671	if { ![IsValidObject $dataobj] } {
672	continue
673	}
674	if {[info exists _obj2ovride($dataobj-raise)] &&
675	$_obj2ovride($dataobj-raise)} {
676	set dlist [linsert $dlist 0 $dataobj]
677	} else {
678	lappend dlist $dataobj
679	}
680	}
681	return $dlist
682	}
683	"-visible" {
684	set dlist {}
685	foreach dataobj $_dlist {
686	if { ![IsValidObject $dataobj] } {
687	continue
688	}
689	if { ![info exists _obj2ovride($dataobj-raise)] } {
690	# No setting indicates that the object isn't visible.
691	continue
692	}
693	# Otherwise use the -raise parameter to put the object to
694	# the front of the list.
695	if { $_obj2ovride($dataobj-raise) } {
696	set dlist [linsert $dlist 0 $dataobj]
697	} else {
698	lappend dlist $dataobj
699	}
700	}
701	return $dlist
702	}
703	-image {
704	if {[llength $args] != 2} {
705	error "wrong # args: should be \"get -image view\""
706	}
707	switch -- [lindex $args end] {
708	view {
709	return $_image(plot)
710	}
711	default {
712	error "bad image name \"[lindex $args end]\": should be view"
713	}
714	}
715	}
716	default {
717	error "bad option \"$op\": should be -objects or -image"
718	}
719	}
720	}
721
722	# ----------------------------------------------------------------------
723	# USAGE: scale ?<data1> <data2> ...?
724	#
725	# Sets the default limits for the overall plot according to the
726	# limits of the data for all of the given <data> objects. This
727	# accounts for all objects--even those not showing on the screen.
728	# Because of this, the limits are appropriate for all objects as
729	# the user scans through data in the ResultSet viewer.
730	# ----------------------------------------------------------------------
731	itcl::body Rappture::VtkViewer::scale {args} {
732	foreach dataobj $args {
733	foreach comp [$dataobj components] {
734	set type [$dataobj type $comp]
735	switch -- $type {
736	"polydata" {
737	set _havePolydata 1
738	}
739	"glyphs" {
740	set _haveGlyphs 1
741	}
742	"molecule" {
743	set _haveMolecules 1
744	}
745	}
746	}
747	array set bounds [limits $dataobj]
748	if {[info exists bounds(xmin)] && (![info exists _limits(xmin)] \|\| $_limits(xmin) > $bounds(xmin))} {
749	set _limits(xmin) $bounds(xmin)
750	}
751	if {[info exists bounds(xmax)] && (![info exists _limits(xmax)] \|\| $_limits(xmax) < $bounds(xmax))} {
752	set _limits(xmax) $bounds(xmax)
753	}
754
755	if {[info exists bounds(ymin)] && (![info exists _limits(ymin)] \|\| $_limits(ymin) > $bounds(ymin))} {
756	set _limits(ymin) $bounds(ymin)
757	}
758	if {[info exists bounds(ymax)] && (![info exists _limits(ymax)] \|\| $_limits(ymax) < $bounds(ymax))} {
759	set _limits(ymax) $bounds(ymax)
760	}
761
762	if {[info exists bounds(zmin)] && (![info exists _limits(zmin)] \|\| $_limits(zmin) > $bounds(zmin))} {
763	set _limits(zmin) $bounds(zmin)
764	}
765	if {[info exists bounds(zmax)] && (![info exists _limits(zmax)] \|\| $_limits(zmax) < $bounds(zmax))} {
766	set _limits(zmax) $bounds(zmax)
767	}
768	}
769	if { $_haveGlyphs } {
770	if { ![$itk_component(main) exists "Glyphs Settings"] } {
771	if { [catch { BuildGlyphsTab } errs ] != 0 } {
772	puts stderr "errs=$errs"
773	}
774	}
775	}
776	if { $_havePolydata } {
777	if { ![$itk_component(main) exists "Mesh Settings"] } {
778	if { [catch { BuildPolydataTab } errs ] != 0 } {
779	puts stderr "errs=$errs"
780	}
781	}
782	}
783	if { $_haveMolecules } {
784	if { ![$itk_component(main) exists "Molecule Settings"]} {
785	if { [catch { BuildMoleculeTab } errs ] != 0 } {
786	global errorInfo
787	puts stderr "errs=$errs\nerrorInfo=$errorInfo"
788	}
789	}
790	}
791	}
792
793	# ----------------------------------------------------------------------
794	# USAGE: download coming
795	# USAGE: download controls <downloadCommand>
796	# USAGE: download now
797	#
798	# Clients use this method to create a downloadable representation
799	# of the plot. Returns a list of the form {ext string}, where
800	# "ext" is the file extension (indicating the type of data) and
801	# "string" is the data itself.
802	# ----------------------------------------------------------------------
803	itcl::body Rappture::VtkViewer::download {option args} {
804	switch $option {
805	coming {
806	if {[catch {
807	blt::winop snap $itk_component(plotarea) $_image(download)
808	}]} {
809	$_image(download) configure -width 1 -height 1
810	$_image(download) put #000000
811	}
812	}
813	controls {
814	set popup .vtkviewerdownload
815	if { ![winfo exists .vtkviewerdownload] } {
816	set inner [BuildDownloadPopup $popup [lindex $args 0]]
817	} else {
818	set inner [$popup component inner]
819	}
820	set _downloadPopup(image_controls) $inner.image_frame
821	set num [llength [get]]
822	set num [expr {($num == 1) ? "1 result" : "$num results"}]
823	set word [Rappture::filexfer::label downloadWord]
824	$inner.summary configure -text "$word $num in the following format:"
825	update idletasks ;# Fix initial sizes
826	return $popup
827	}
828	now {
829	set popup .vtkviewerdownload
830	if {[winfo exists .vtkviewerdownload]} {
831	$popup deactivate
832	}
833	switch -- $_downloadPopup(format) {
834	"image" {
835	return [$this GetImage [lindex $args 0]]
836	}
837	"vtk" {
838	return [$this GetVtkData [lindex $args 0]]
839	}
840	}
841	return ""
842	}
843	default {
844	error "bad option \"$option\": should be coming, controls, now"
845	}
846	}
847	}
848
849	# ----------------------------------------------------------------------
850	# USAGE: Connect ?<host:port>,<host:port>...?
851	#
852	# Clients use this method to establish a connection to a new
853	# server, or to reestablish a connection to the previous server.
854	# Any existing connection is automatically closed.
855	# ----------------------------------------------------------------------
856	itcl::body Rappture::VtkViewer::Connect {} {
857	global readyForNextFrame
858	set readyForNextFrame 1
859	set _hosts [GetServerList "vtkvis"]
860	if { "" == $_hosts } {
861	return 0
862	}
863	set _reset 1
864	set result [VisViewer::Connect $_hosts]
865	if { $result } {
866	if { $_reportClientInfo } {
867	# Tell the server the viewer, hub, user and session.
868	# Do this immediately on connect before buffering any commands
869	global env
870
871	set info {}
872	set user "???"
873	if { [info exists env(USER)] } {
874	set user $env(USER)
875	}
876	set session "???"
877	if { [info exists env(SESSION)] } {
878	set session $env(SESSION)
879	}
880	lappend info "version" "$Rappture::version"
881	lappend info "build" "$Rappture::build"
882	lappend info "svnurl" "$Rappture::svnurl"
883	lappend info "installdir" "$Rappture::installdir"
884	lappend info "hub" [exec hostname]
885	lappend info "client" "vtkviewer"
886	lappend info "user" $user
887	lappend info "session" $session
888	SendCmd "clientinfo [list $info]"
889	}
890
891	set w [winfo width $itk_component(view)]
892	set h [winfo height $itk_component(view)]
893	EventuallyResize $w $h
894	}
895	return $result
896	}
897
898	#
899	# isconnected --
900	#
901	# Indicates if we are currently connected to the visualization server.
902	#
903	itcl::body Rappture::VtkViewer::isconnected {} {
904	return [VisViewer::IsConnected]
905	}
906
907	#
908	# disconnect --
909	#
910	itcl::body Rappture::VtkViewer::disconnect {} {
911	Disconnect
912	set _reset 1
913	}
914
915	#
916	# Disconnect --
917	#
918	# Clients use this method to disconnect from the current rendering
919	# server.
920	#
921	itcl::body Rappture::VtkViewer::Disconnect {} {
922	VisViewer::Disconnect
923
924	# disconnected -- no more data sitting on server
925	array unset _datasets
926	array unset _colormaps
927	global readyForNextFrame
928	set readyForNextFrame 1
929	}
930
931	# ----------------------------------------------------------------------
932	# USAGE: ReceiveImage -bytes <size> -type <type> -token <token>
933	#
934	# Invoked automatically whenever the "image" command comes in from
935	# the rendering server. Indicates that binary image data with the
936	# specified <size> will follow.
937	# ----------------------------------------------------------------------
938	itcl::body Rappture::VtkViewer::ReceiveImage { args } {
939	global readyForNextFrame
940	set readyForNextFrame 1
941	array set info {
942	-token "???"
943	-bytes 0
944	-type image
945	}
946	array set info $args
947	set bytes [ReceiveBytes $info(-bytes)]
948	if { $info(-type) == "image" } {
949	if 0 {
950	set f [open "last.ppm" "w"]
951	fconfigure $f -encoding binary
952	puts -nonewline $f $bytes
953	close $f
954	}
955	$_image(plot) configure -data $bytes
956	set time [clock seconds]
957	set date [clock format $time]
958	if { $_start > 0 } {
959	set finish [clock clicks -milliseconds]
960	set _start 0
961	}
962	} elseif { $info(type) == "print" } {
963	set tag $this-print-$info(-token)
964	set _hardcopy($tag) $bytes
965	}
966	}
967
968	#
969	# ReceiveDataset --
970	#
971	itcl::body Rappture::VtkViewer::ReceiveDataset { args } {
972	if { ![isconnected] } {
973	return
974	}
975	set option [lindex $args 0]
976	switch -- $option {
977	"scalar" {
978	set option [lindex $args 1]
979	switch -- $option {
980	"world" {
981	foreach { x y z value tag } [lrange $args 2 end] break
982	}
983	"pixel" {
984	foreach { x y value tag } [lrange $args 2 end] break
985	}
986	}
987	}
988	"vector" {
989	set option [lindex $args 1]
990	switch -- $option {
991	"world" {
992	foreach { x y z vx vy vz tag } [lrange $args 2 end] break
993	}
994	"pixel" {
995	foreach { x y vx vy vz tag } [lrange $args 2 end] break
996	}
997	}
998	}
999	"names" {
1000	foreach { name } [lindex $args 1] {
1001	#puts stderr "Dataset: $name"
1002	}
1003	}
1004	default {
1005	error "unknown dataset option \"$option\" from server"
1006	}
1007	}
1008	}
1009
1010	# ----------------------------------------------------------------------
1011	# USAGE: Rebuild
1012	#
1013	# Called automatically whenever something changes that affects the
1014	# data in the widget. Clears any existing data and rebuilds the
1015	# widget to display new data.
1016	# ----------------------------------------------------------------------
1017	itcl::body Rappture::VtkViewer::Rebuild {} {
1018	set w [winfo width $itk_component(view)]
1019	set h [winfo height $itk_component(view)]
1020	if { $w < 2 \|\| $h < 2 } {
1021	update
1022	$_dispatcher event -idle !rebuild
1023	return
1024	}
1025
1026	# Turn on buffering of commands to the server. We don't want to
1027	# be preempted by a server disconnect/reconnect (which automatically
1028	# generates a new call to Rebuild).
1029	StartBufferingCommands
1030
1031	if { $_reset } {
1032	set _width $w
1033	set _height $h
1034	$_arcball resize $w $h
1035	DoResize
1036	InitSettings axis-xgrid axis-ygrid axis-zgrid axis-mode \
1037	axis-visible axis-labels axis-minorticks
1038
1039	StopBufferingCommands
1040	SendCmd "imgflush"
1041	StartBufferingCommands
1042	}
1043
1044	set _limits(zmin) ""
1045	set _limits(zmax) ""
1046	set _first ""
1047	SendCmd "dataset visible 0"
1048	set count 0
1049	foreach dataobj [get -objects] {
1050	if { [info exists _obj2ovride($dataobj-raise)] && $_first == "" } {
1051	set _first $dataobj
1052	}
1053	foreach comp [$dataobj components] {
1054	set tag $dataobj-$comp
1055	if { ![info exists _datasets($tag)] } {
1056	set bytes [$dataobj data $comp]
1057	if { $bytes == "" } {
1058	continue
1059	}
1060	if 0 {
1061	set f [open /tmp/vtkviewer.vtk "w"]
1062	fconfigure $f -translation binary -encoding binary
1063	puts -nonewline $f $bytes
1064	close $f
1065	}
1066	set length [string length $bytes]
1067	if { $_reportClientInfo } {
1068	set info {}
1069	lappend info "tool_id" [$dataobj hints toolid]
1070	lappend info "tool_name" [$dataobj hints toolname]
1071	lappend info "tool_title" [$dataobj hints tooltitle]
1072	lappend info "tool_command" [$dataobj hints toolcommand]
1073	lappend info "tool_revision" [$dataobj hints toolrevision]
1074	lappend info "dataset_label" [$dataobj hints label]
1075	lappend info "dataset_size" $length
1076	lappend info "dataset_tag" $tag
1077	SendCmd "clientinfo [list $info]"
1078	}
1079	SendCmd "dataset add $tag data follows $length"
1080	SendData $bytes
1081	set _datasets($tag) 1
1082	SetObjectStyle $dataobj $comp
1083	}
1084	set type [$dataobj type $comp]
1085	if { [info exists _obj2ovride($dataobj-raise)] } {
1086	SendCmd "$type visible 1 $tag"
1087	SetOpacity $tag
1088	}
1089	}
1090	}
1091	if {"" != $_first} {
1092	set location [$_first hints camera]
1093	if { $location != "" } {
1094	array set view $location
1095	}
1096
1097	foreach axis { x y z } {
1098	set label [$_first hints ${axis}label]
1099	if { $label != "" } {
1100	SendCmd [list axis name $axis $label]
1101	}
1102	set units [$_first hints ${axis}units]
1103	if { $units != "" } {
1104	SendCmd [list axis units $axis $units]
1105	}
1106	}
1107	}
1108	if { $_haveGlyphs } {
1109	InitSettings glyphs-outline
1110	}
1111	if { $_haveMolecules } {
1112	InitSettings molecule-outline
1113	}
1114	if { $_havePolydata } {
1115	InitSettings polydata-outline
1116	}
1117	if { $_reset } {
1118	if { $_haveGlyphs } {
1119	InitSettings glyphs-edges glyphs-lighting glyphs-opacity \
1120	glyphs-visible glyphs-wireframe
1121	}
1122	if { $_havePolydata } {
1123	InitSettings polydata-edges polydata-lighting polydata-opacity \
1124	polydata-visible polydata-wireframe
1125	}
1126	if { $_haveMolecules } {
1127	InitSettings molecule-edges molecule-lighting molecule-opacity \
1128	molecule-visible molecule-wireframe molecule-labels
1129	}
1130
1131	$_arcball quaternion [ViewToQuaternion]
1132	SendCmd "camera reset"
1133	if { $_view(-ortho)} {
1134	SendCmd "camera mode ortho"
1135	} else {
1136	SendCmd "camera mode persp"
1137	}
1138	DoRotate
1139	PanCamera
1140	Zoom reset
1141	}
1142
1143	if { $_haveMolecules } {
1144	#InitSettings molecule-representation
1145	}
1146	set _reset 0
1147	global readyForNextFrame
1148	set readyForNextFrame 0; # Don't advance to the next frame
1149	# until we get an image.
1150
1151	# Actually write the commands to the server socket. If it fails, we don't
1152	# care. We're finished here.
1153	blt::busy hold $itk_component(hull)
1154	StopBufferingCommands
1155	blt::busy release $itk_component(hull)
1156	}
1157
1158	# ----------------------------------------------------------------------
1159	# USAGE: CurrentDatasets ?-all -visible? ?dataobjs?
1160	#
1161	# Returns a list of server IDs for the current datasets being displayed. This
1162	# is normally a single ID, but it might be a list of IDs if the current data
1163	# object has multiple components.
1164	# ----------------------------------------------------------------------
1165	itcl::body Rappture::VtkViewer::CurrentDatasets {args} {
1166	set flag [lindex $args 0]
1167	switch -- $flag {
1168	"-all" {
1169	if { [llength $args] > 1 } {
1170	error "CurrentDatasets: can't specify dataobj after \"-all\""
1171	}
1172	set dlist [get -objects]
1173	}
1174	"-visible" {
1175	if { [llength $args] > 1 } {
1176	set dlist {}
1177	set args [lrange $args 1 end]
1178	foreach dataobj $args {
1179	if { [info exists _obj2ovride($dataobj-raise)] } {
1180	lappend dlist $dataobj
1181	}
1182	}
1183	} else {
1184	set dlist [get -visible]
1185	}
1186	}
1187	default {
1188	set dlist $args
1189	}
1190	}
1191	set rlist ""
1192	foreach dataobj $dlist {
1193	foreach comp [$dataobj components] {
1194	set tag $dataobj-$comp
1195	if { [info exists _datasets($tag)] && $_datasets($tag) } {
1196	lappend rlist $tag
1197	}
1198	}
1199	}
1200	return $rlist
1201	}
1202
1203	# ----------------------------------------------------------------------
1204	# USAGE: Zoom in
1205	# USAGE: Zoom out
1206	# USAGE: Zoom reset
1207	#
1208	# Called automatically when the user clicks on one of the zoom
1209	# controls for this widget. Changes the zoom for the current view.
1210	# ----------------------------------------------------------------------
1211	itcl::body Rappture::VtkViewer::Zoom {option} {
1212	switch -- $option {
1213	"in" {
1214	set _view(-zoom) [expr {$_view(-zoom)*1.25}]
1215	SendCmd "camera zoom $_view(-zoom)"
1216	}
1217	"out" {
1218	set _view(-zoom) [expr {$_view(-zoom)*0.8}]
1219	SendCmd "camera zoom $_view(-zoom)"
1220	}
1221	"reset" {
1222	array set _view {
1223	-qw 0.853553
1224	-qx -0.353553
1225	-qy 0.353553
1226	-qz 0.146447
1227	-xpan 0
1228	-ypan 0
1229	-zoom 1.0
1230	}
1231	if { $_first != "" } {
1232	set location [$_first hints camera]
1233	if { $location != "" } {
1234	array set _view $location
1235	}
1236	}
1237	$_arcball quaternion [ViewToQuaternion]
1238	DoRotate
1239	SendCmd "camera reset"
1240	}
1241	}
1242	}
1243
1244	itcl::body Rappture::VtkViewer::PanCamera {} {
1245	set x $_view(-xpan)
1246	set y $_view(-ypan)
1247	SendCmd "camera pan $x $y"
1248	}
1249
1250	# ----------------------------------------------------------------------
1251	# USAGE: Rotate click <x> <y>
1252	# USAGE: Rotate drag <x> <y>
1253	# USAGE: Rotate release <x> <y>
1254	#
1255	# Called automatically when the user clicks/drags/releases in the
1256	# plot area. Moves the plot according to the user's actions.
1257	# ----------------------------------------------------------------------
1258	itcl::body Rappture::VtkViewer::Rotate {option x y} {
1259	switch -- $option {
1260	"click" {
1261	$itk_component(view) configure -cursor fleur
1262	set _click(x) $x
1263	set _click(y) $y
1264	}
1265	"drag" {
1266	if {[array size _click] == 0} {
1267	Rotate click $x $y
1268	} else {
1269	set w [winfo width $itk_component(view)]
1270	set h [winfo height $itk_component(view)]
1271	if {$w <= 0 \|\| $h <= 0} {
1272	return
1273	}
1274
1275	if {[catch {
1276	# this fails sometimes for no apparent reason
1277	set dx [expr {double($x-$_click(x))/$w}]
1278	set dy [expr {double($y-$_click(y))/$h}]
1279	}]} {
1280	return
1281	}
1282	if { $dx == 0 && $dy == 0 } {
1283	return
1284	}
1285	set q [$_arcball rotate $x $y $_click(x) $_click(y)]
1286	EventuallyRotate $q
1287	set _click(x) $x
1288	set _click(y) $y
1289	}
1290	}
1291	"release" {
1292	Rotate drag $x $y
1293	$itk_component(view) configure -cursor ""
1294	catch {unset _click}
1295	}
1296	default {
1297	error "bad option \"$option\": should be click, drag, release"
1298	}
1299	}
1300	}
1301
1302	itcl::body Rappture::VtkViewer::Pick {x y} {
1303	foreach tag [CurrentDatasets -visible] {
1304	SendCmd "dataset getscalar pixel $x $y $tag"
1305	}
1306	}
1307
1308	# ----------------------------------------------------------------------
1309	# USAGE: $this Pan click x y
1310	# $this Pan drag x y
1311	# $this Pan release x y
1312	#
1313	# Called automatically when the user clicks on one of the zoom
1314	# controls for this widget. Changes the zoom for the current view.
1315	# ----------------------------------------------------------------------
1316	itcl::body Rappture::VtkViewer::Pan {option x y} {
1317	switch -- $option {
1318	"set" {
1319	set w [winfo width $itk_component(view)]
1320	set h [winfo height $itk_component(view)]
1321	set x [expr $x / double($w)]
1322	set y [expr $y / double($h)]
1323	set _view(-xpan) [expr $_view(-xpan) + $x]
1324	set _view(-ypan) [expr $_view(-ypan) + $y]
1325	PanCamera
1326	return
1327	}
1328	"click" {
1329	set _click(x) $x
1330	set _click(y) $y
1331	$itk_component(view) configure -cursor hand1
1332	}
1333	"drag" {
1334	if { ![info exists _click(x)] } {
1335	set _click(x) $x
1336	}
1337	if { ![info exists _click(y)] } {
1338	set _click(y) $y
1339	}
1340	set w [winfo width $itk_component(view)]
1341	set h [winfo height $itk_component(view)]
1342	set dx [expr ($_click(x) - $x)/double($w)]
1343	set dy [expr ($_click(y) - $y)/double($h)]
1344	set _click(x) $x
1345	set _click(y) $y
1346	set _view(-xpan) [expr $_view(-xpan) - $dx]
1347	set _view(-ypan) [expr $_view(-ypan) - $dy]
1348	PanCamera
1349	}
1350	"release" {
1351	Pan drag $x $y
1352	$itk_component(view) configure -cursor ""
1353	}
1354	default {
1355	error "unknown option \"$option\": should set, click, drag, or release"
1356	}
1357	}
1358	}
1359
1360	# ----------------------------------------------------------------------
1361	# USAGE: InitSettings <what> ?<value>?
1362	#
1363	# Used internally to update rendering settings whenever parameters
1364	# change in the popup settings panel. Sends the new settings off
1365	# to the back end.
1366	# ----------------------------------------------------------------------
1367	itcl::body Rappture::VtkViewer::InitSettings { args } {
1368	foreach setting $args {
1369	AdjustSetting $setting
1370	}
1371	}
1372
1373	#
1374	# AdjustSetting --
1375	#
1376	# Changes/updates a specific setting in the widget. There are
1377	# usually user-setable option. Commands are sent to the render
1378	# server.
1379	#
1380	itcl::body Rappture::VtkViewer::AdjustSetting {what {value ""}} {
1381	if { ![isconnected] } {
1382	return
1383	}
1384	switch -- $what {
1385	"glyphs-opacity" {
1386	foreach dataset [CurrentDatasets -visible $_first] {
1387	foreach { dataobj comp } [split $dataset -] break
1388	if { [$dataobj type $comp] == "glyphs" } {
1389	SetOpacity $dataset
1390	}
1391	}
1392	}
1393	"glyphs-outline" {
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 "outline visible $bool $dataset"
1400	}
1401	}
1402	}
1403	"glyphs-wireframe" {
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 wireframe $bool $dataset"
1410	}
1411	}
1412	}
1413	"glyphs-visible" {
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 visible $bool $dataset"
1420	}
1421	}
1422	}
1423	"glyphs-lighting" {
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 lighting $bool $dataset"
1430	}
1431	}
1432	}
1433	"glyphs-edges" {
1434	set bool $_settings($what)
1435	foreach dataset [CurrentDatasets -visible $_first] {
1436	foreach { dataobj comp } [split $dataset -] break
1437	set type [$dataobj type $comp]
1438	if { $type == "glyphs" } {
1439	SendCmd "$type edges $bool $dataset"
1440	}
1441	}
1442	}
1443	"glyphs-palette" {
1444	set palette [$itk_component(glyphspalette) value]
1445	set _settings($what) $palette
1446	foreach dataset [CurrentDatasets -visible $_first] {
1447	foreach {dataobj comp} [split $dataset -] break
1448	set type [$dataobj type $comp]
1449	if { $type == "glyphs" } {
1450	ChangeColormap $dataobj $comp $palette
1451	# FIXME: fill in current selected fieldname
1452	#SendCmd "glyphs colormode scalar {} $dataset"
1453	}
1454	}
1455	set _legendPending 1
1456	}
1457	"polydata-opacity" {
1458	foreach dataset [CurrentDatasets -visible $_first] {
1459	foreach { dataobj comp } [split $dataset -] break
1460	if { [$dataobj type $comp] == "polydata" } {
1461	SetOpacity $dataset
1462	}
1463	}
1464	}
1465	"polydata-outline" {
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 "outline visible $bool $dataset"
1472	}
1473	}
1474	}
1475	"polydata-wireframe" {
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 wireframe $bool $dataset"
1482	}
1483	}
1484	}
1485	"polydata-visible" {
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 visible $bool $dataset"
1492	}
1493	}
1494	}
1495	"polydata-lighting" {
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 lighting $bool $dataset"
1502	}
1503	}
1504	}
1505	"polydata-edges" {
1506	set bool $_settings($what)
1507	foreach dataset [CurrentDatasets -visible $_first] {
1508	foreach { dataobj comp } [split $dataset -] break
1509	set type [$dataobj type $comp]
1510	if { $type == "polydata" } {
1511	SendCmd "$type edges $bool $dataset"
1512	}
1513	}
1514	}
1515	"polydata-palette" {
1516	set palette [$itk_component(meshpalette) value]
1517	set _settings($what) $palette
1518	foreach dataset [CurrentDatasets -visible $_first] {
1519	foreach {dataobj comp} [split $dataset -] break
1520	set type [$dataobj type $comp]
1521	if { $type == "polydata" } {
1522	ChangeColormap $dataobj $comp $palette
1523	# FIXME: fill in current selected fieldname
1524	#SendCmd "polydata colormode scalar {} $dataset"
1525	}
1526	}
1527	set _legendPending 1
1528	}
1529	"molecule-opacity" {
1530	foreach dataset [CurrentDatasets -visible $_first] {
1531	foreach { dataobj comp } [split $dataset -] break
1532	if { [$dataobj type $comp] == "molecule" } {
1533	SetOpacity $dataset
1534	}
1535	}
1536	}
1537	"molecule-outline" {
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 "outline visible $bool $dataset"
1544	}
1545	}
1546	}
1547	"molecule-wireframe" {
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 wireframe $bool $dataset"
1554	}
1555	}
1556	}
1557	"molecule-visible" {
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 visible $bool $dataset"
1564	}
1565	}
1566	}
1567	"molecule-lighting" {
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 lighting $bool $dataset"
1574	}
1575	}
1576	}
1577	"molecule-edges" {
1578	set bool $_settings($what)
1579	foreach dataset [CurrentDatasets -visible $_first] {
1580	foreach { dataobj comp } [split $dataset -] break
1581	set type [$dataobj type $comp]
1582	if { $type == "molecule" } {
1583	SendCmd "molecule edges $bool $dataset"
1584	}
1585	}
1586	}
1587	"molecule-palette" {
1588	set palette [$itk_component(moleculepalette) value]
1589	set _settings($what) $palette
1590	foreach dataset [CurrentDatasets -visible $_first] {
1591	foreach {dataobj comp} [split $dataset -] break
1592	set type [$dataobj type $comp]
1593	if { $type == "molecule" } {
1594	ChangeColormap $dataobj $comp $palette
1595	if { $palette == "elementDefault" } {
1596	SendCmd "molecule colormode by_elements element $dataset"
1597	} else {
1598	# FIXME: Set the chosen scalar field name here
1599	SendCmd "molecule colormode scalar {} $dataset"
1600	}
1601	}
1602	}
1603	set _legendPending 1
1604	}
1605	"molecule-representation" {
1606	set value [$itk_component(representation) value]
1607	set value [$itk_component(representation) translate $value]
1608	switch -- $value {
1609	"ballandstick" {
1610	set _settings(molecule-rscale) covalent
1611	set _settings(molecule-atoms-visible) 1
1612	set _settings(molecule-bonds-visible) 1
1613	set _settings(molecule-bondstyle) cylinder
1614	set _settings(molecule-atomscale) 0.3
1615	set _settings(molecule-bondscale) 0.075
1616	}
1617	"balls" - "spheres" {
1618	set _settings(molecule-rscale) covalent
1619	set _settings(molecule-atoms-visible) 1
1620	set _settings(molecule-bonds-visible) 0
1621	set _settings(molecule-bondstyle) cylinder
1622	set _settings(molecule-atomscale) 0.3
1623	set _settings(molecule-bondscale) 0.075
1624	}
1625	"sticks" {
1626	set _settings(molecule-rscale) none
1627	set _settings(molecule-atoms-visible) 1
1628	set _settings(molecule-bonds-visible) 1
1629	set _settings(molecule-bondstyle) cylinder
1630	set _settings(molecule-atomscale) 0.075
1631	set _settings(molecule-bondscale) 0.075
1632	}
1633	"spacefilling" {
1634	set _settings(molecule-rscale) van_der_waals
1635	set _settings(molecule-atoms-visible) 1
1636	set _settings(molecule-bonds-visible) 0
1637	set _settings(molecule-bondstyle) cylinder
1638	set _settings(molecule-atomscale) 1.0
1639	set _settings(molecule-bondscale) 0.075
1640	}
1641	"rods" {
1642	set _settings(molecule-rscale) none
1643	set _settings(molecule-atoms-visible) 1
1644	set _settings(molecule-bonds-visible) 1
1645	set _settings(molecule-bondstyle) cylinder
1646	set _settings(molecule-atomscale) 0.1
1647	set _settings(molecule-bondscale) 0.1
1648	}
1649	"wireframe" - "lines" {
1650	set _settings(molecule-rscale) none
1651	set _settings(molecule-atoms-visible) 0
1652	set _settings(molecule-bonds-visible) 1
1653	set _settings(molecule-bondstyle) line
1654	set _settings(molecule-atomscale) 1.0
1655	set _settings(molecule-bondscale) 1.0
1656	}
1657	default {
1658	error "unknown representation $value"
1659	}
1660	}
1661	$itk_component(rscale) value [$itk_component(rscale) label $_settings(molecule-rscale)]
1662	switch -- $value {
1663	"ballandstick" - "balls" - "spheres" {
1664	$itk_component(rscale) configure -state normal
1665	}
1666	default {
1667	$itk_component(rscale) configure -state disabled
1668	}
1669	}
1670	foreach dataset [CurrentDatasets -all] {
1671	foreach {dataobj comp} [split $dataset -] break
1672	set type [$dataobj type $comp]
1673	if { $type == "molecule" } {
1674	StartBufferingCommands
1675	SendCmd [subst {molecule rscale $_settings(molecule-rscale) $dataset}]
1676	SendCmd [subst {molecule ascale $_settings(molecule-atomscale) $dataset}]
1677	SendCmd [subst {molecule bscale $_settings(molecule-bondscale) $dataset}]
1678	SendCmd [subst {molecule bstyle $_settings(molecule-bondstyle) $dataset}]
1679	SendCmd [subst {molecule atoms $_settings(molecule-atoms-visible) $dataset}]
1680	SendCmd [subst {molecule bonds $_settings(molecule-bonds-visible) $dataset}]
1681	StopBufferingCommands
1682	}
1683	}
1684	}
1685	"molecule-rscale" {
1686	set value [$itk_component(rscale) value]
1687	set value [$itk_component(rscale) translate $value]
1688	set _settings($what) $value
1689	foreach dataset [CurrentDatasets -visible $_first] {
1690	foreach {dataobj comp} [split $dataset -] break
1691	set type [$dataobj type $comp]
1692	if { $type == "molecule" } {
1693	SendCmd [subst {molecule rscale $_settings($what) $dataset}]
1694	}
1695	}
1696	}
1697	"molecule-labels" {
1698	set bool $_settings($what)
1699	foreach dataset [CurrentDatasets -visible $_first] {
1700	foreach { dataobj comp } [split $dataset -] break
1701	set type [$dataobj type $comp]
1702	if { $type == "molecule" } {
1703	SendCmd "molecule labels $bool $dataset"
1704	}
1705	}
1706	}
1707	"axis-visible" {
1708	set bool $_axis(visible)
1709	SendCmd "axis visible all $bool"
1710	}
1711	"axis-labels" {
1712	set bool $_axis(labels)
1713	SendCmd "axis labels all $bool"
1714	}
1715	"axis-minorticks" {
1716	set bool $_axis(minorticks)
1717	SendCmd "axis minticks all $bool"
1718	}
1719	"axis-xgrid" {
1720	set bool $_axis(xgrid)
1721	SendCmd "axis grid x $bool"
1722	}
1723	"axis-ygrid" {
1724	set bool $_axis(ygrid)
1725	SendCmd "axis grid y $bool"
1726	}
1727	"axis-zgrid" {
1728	set bool $_axis(zgrid)
1729	SendCmd "axis grid z $bool"
1730	}
1731	"axis-mode" {
1732	set mode [$itk_component(axismode) value]
1733	set mode [$itk_component(axismode) translate $mode]
1734	SendCmd "axis flymode $mode"
1735	}
1736	"axis-xcutaway" - "axis-ycutaway" - "axis-zcutaway" {
1737	set axis [string range $what 5 5]
1738	set bool $_axis(${axis}cutaway)
1739	if { $bool } {
1740	set pos [expr $_axis(${axis}position) * 0.01]
1741	set dir $_axis(${axis}direction)
1742	$itk_component(${axis}CutScale) configure -state normal \
1743	-troughcolor white
1744	SendCmd "renderer clipplane $axis $pos $dir"
1745	} else {
1746	$itk_component(${axis}CutScale) configure -state disabled \
1747	-troughcolor grey82
1748	SendCmd "renderer clipplane $axis 1 -1"
1749	}
1750	}
1751	"axis-xposition" - "axis-yposition" - "axis-zposition" -
1752	"axis-xdirection" - "axis-ydirection" - "axis-zdirection" {
1753	set axis [string range $what 5 5]
1754	#set dir $_axis(${axis}direction)
1755	set pos [expr $_axis(${axis}position) * 0.01]
1756	SendCmd "renderer clipplane ${axis} $pos -1"
1757	}
1758	default {
1759	error "don't know how to fix $what"
1760	}
1761	}
1762	}
1763
1764	#
1765	# RequestLegend --
1766	#
1767	# Request a new legend from the server. The size of the legend
1768	# is determined from the height of the canvas. It will be rotated
1769	# to be vertical when drawn.
1770	#
1771	itcl::body Rappture::VtkViewer::RequestLegend {} {
1772	set font "Arial 8"
1773	set lineht [font metrics $font -linespace]
1774	set w 12
1775	set h [expr {$_height - 2 * ($lineht + 2)}]
1776	if { $h < 1 } {
1777	return
1778	}
1779	# Set the legend on the first dataset.
1780	foreach dataset [CurrentDatasets -visible] {
1781	foreach {dataobj comp} [split $dataset -] break
1782	if { [info exists _dataset2style($dataset)] } {
1783	#SendCmd "legend $_dataset2style($dataset) vmag {} {} $w $h 0"
1784	SendCmd "legend2 $_dataset2style($dataset) $w $h"
1785	break;
1786	}
1787	}
1788	}
1789
1790	#
1791	# ChangeColormap --
1792	#
1793	itcl::body Rappture::VtkViewer::ChangeColormap {dataobj comp color} {
1794	set tag $dataobj-$comp
1795	if { ![info exist _style($tag)] } {
1796	error "no initial colormap"
1797	}
1798	array set style $_style($tag)
1799	set style(-color) $color
1800	set _style($tag) [array get style]
1801	SetColormap $dataobj $comp
1802	}
1803
1804	#
1805	# SetColormap --
1806	#
1807	itcl::body Rappture::VtkViewer::SetColormap { dataobj comp } {
1808	array set style {
1809	-color BCGYR
1810	-levels 6
1811	-opacity 1.0
1812	}
1813	if {[$dataobj type $comp] == "molecule"} {
1814	set style(-color) elementDefault
1815	}
1816	set tag $dataobj-$comp
1817	if { ![info exists _initialStyle($tag)] } {
1818	# Save the initial component style.
1819	set _initialStyle($tag) [$dataobj style $comp]
1820	}
1821
1822	# Override defaults with initial style defined in xml.
1823	array set style $_initialStyle($tag)
1824
1825	if { ![info exists _style($tag)] } {
1826	set _style($tag) [array get style]
1827	}
1828	# Override initial style with current style.
1829	array set style $_style($tag)
1830
1831	if { $style(-color) == "elementDefault" } {
1832	set name "$style(-color)"
1833	} else {
1834	set name "$style(-color):$style(-levels):$style(-opacity)"
1835	}
1836	if { ![info exists _colormaps($name)] } {
1837	BuildColormap $name [array get style]
1838	set _colormaps($name) 1
1839	}
1840	if { ![info exists _dataset2style($tag)] \|\|
1841	$_dataset2style($tag) != $name } {
1842	set _dataset2style($tag) $name
1843	switch -- [$dataobj type $comp] {
1844	"polydata" {
1845	SendCmd "polydata colormap $name $tag"
1846	}
1847	"glyphs" {
1848	SendCmd "glyphs colormap $name $tag"
1849	}
1850	"molecule" {
1851	SendCmd "molecule colormap $name $tag"
1852	}
1853	}
1854	}
1855	}
1856
1857	#
1858	# BuildColormap --
1859	#
1860	itcl::body Rappture::VtkViewer::BuildColormap { name styles } {
1861	if { $name == "elementDefault" } {
1862	return
1863	}
1864	array set style $styles
1865	set cmap [ColorsToColormap $style(-color)]
1866	if { [llength $cmap] == 0 } {
1867	set cmap "0.0 0.0 0.0 0.0 1.0 1.0 1.0 1.0"
1868	}
1869	if { ![info exists _settings(polydata-opacity)] } {
1870	set _settings(polydata-opacity) $style(-opacity)
1871	}
1872	set max $_settings(polydata-opacity)
1873
1874	set amap "0.0 1.0 1.0 1.0"
1875	SendCmd "colormap add $name { $cmap } { $amap }"
1876	}
1877
1878	# ----------------------------------------------------------------------
1879	# CONFIGURATION OPTION: -plotbackground
1880	# ----------------------------------------------------------------------
1881	itcl::configbody Rappture::VtkViewer::plotbackground {
1882	if { [isconnected] } {
1883	set rgb [Color2RGB $itk_option(-plotbackground)]
1884	SendCmd "screen bgcolor $rgb"
1885	}
1886	}
1887
1888	# ----------------------------------------------------------------------
1889	# CONFIGURATION OPTION: -plotforeground
1890	# ----------------------------------------------------------------------
1891	itcl::configbody Rappture::VtkViewer::plotforeground {
1892	if { [isconnected] } {
1893	set rgb [Color2RGB $itk_option(-plotforeground)]
1894	SendCmd "axis color all $rgb"
1895	SendCmd "outline color $rgb"
1896	}
1897	}
1898
1899	itcl::body Rappture::VtkViewer::limits { dataobj } {
1900	foreach comp [$dataobj components] {
1901	set tag $dataobj-$comp
1902	if { ![info exists _limits($tag)] } {
1903	set data [$dataobj data $comp]
1904	if { $data == "" } {
1905	continue
1906	}
1907	set tmpfile file[pid].vtk
1908	set f [open "$tmpfile" "w"]
1909	fconfigure $f -translation binary -encoding binary
1910	puts $f $data
1911	close $f
1912	set reader [vtkDataSetReader $tag-xvtkDataSetReader]
1913	$reader SetFileName $tmpfile
1914	set debug 0
1915	if {$debug} {
1916	# Only needed for debug output below
1917	$reader ReadAllNormalsOn
1918	$reader ReadAllTCoordsOn
1919	$reader ReadAllScalarsOn
1920	$reader ReadAllColorScalarsOn
1921	$reader ReadAllVectorsOn
1922	$reader ReadAllTensorsOn
1923	$reader ReadAllFieldsOn
1924	}
1925	$reader Update
1926	file delete $tmpfile
1927	set output [$reader GetOutput]
1928	if { $output == "" } {
1929	# Invalid VTK file -- loader failed to parse
1930	continue
1931	}
1932	set _limits($tag) [$output GetBounds]
1933	if {$debug} {
1934	puts stderr "\#scalars=[$reader GetNumberOfScalarsInFile]"
1935	puts stderr "\#vectors=[$reader GetNumberOfVectorsInFile]"
1936	puts stderr "\#tensors=[$reader GetNumberOfTensorsInFile]"
1937	puts stderr "\#normals=[$reader GetNumberOfNormalsInFile]"
1938	puts stderr "\#tcoords=[$reader GetNumberOfTCoordsInFile]"
1939	puts stderr "\#fielddata=[$reader GetNumberOfFieldDataInFile]"
1940	puts stderr "fielddataname=[$reader GetFieldDataNameInFile 0]"
1941	set pointData [$output GetPointData]
1942	if { $pointData != ""} {
1943	puts stderr "point \#arrays=[$pointData GetNumberOfArrays]"
1944	puts stderr "point \#components=[$pointData GetNumberOfComponents]"
1945	puts stderr "point \#tuples=[$pointData GetNumberOfTuples]"
1946	puts stderr "point scalars=[$pointData GetScalars]"
1947	puts stderr "point vectors=[$pointData GetVectors]"
1948	}
1949	set cellData [$output GetCellData]
1950	if { $cellData != ""} {
1951	puts stderr "cell \#arrays=[$cellData GetNumberOfArrays]"
1952	puts stderr "cell \#components=[$cellData GetNumberOfComponents]"
1953	puts stderr "cell \#tuples=[$cellData GetNumberOfTuples]"
1954	puts stderr "cell scalars=[$cellData GetScalars]"
1955	puts stderr "cell vectors=[$cellData GetVectors]"
1956	}
1957	set fieldData [$output GetFieldData]
1958	if { $fieldData != ""} {
1959	puts stderr "field \#arrays=[$fieldData GetNumberOfArrays]"
1960	puts stderr "field \#components=[$fieldData GetNumberOfComponents]"
1961	puts stderr "field \#tuples=[$fieldData GetNumberOfTuples]"
1962	}
1963	}
1964	rename $output ""
1965	rename $reader ""
1966	}
1967	foreach { xMin xMax yMin yMax zMin zMax} $_limits($tag) break
1968	if {![info exists limits(xmin)] \|\| $limits(xmin) > $xMin} {
1969	set limits(xmin) $xMin
1970	}
1971	if {![info exists limits(xmax)] \|\| $limits(xmax) < $xMax} {
1972	set limits(xmax) $xMax
1973	}
1974	if {![info exists limits(ymin)] \|\| $limits(ymin) > $yMin} {
1975	set limits(ymin) $xMin
1976	}
1977	if {![info exists limits(ymax)] \|\| $limits(ymax) < $yMax} {
1978	set limits(ymax) $yMax
1979	}
1980	if {![info exists limits(zmin)] \|\| $limits(zmin) > $zMin} {
1981	set limits(zmin) $zMin
1982	}
1983	if {![info exists limits(zmax)] \|\| $limits(zmax) < $zMax} {
1984	set limits(zmax) $zMax
1985	}
1986	}
1987	return [array get limits]
1988	}
1989
1990	itcl::body Rappture::VtkViewer::BuildGlyphsTab {} {
1991
1992	set fg [option get $itk_component(hull) font Font]
1993	#set bfg [option get $itk_component(hull) boldFont Font]
1994
1995	set inner [$itk_component(main) insert 0 \
1996	-title "Glyph Settings" \
1997	-icon [Rappture::icon volume-on]]
1998	$inner configure -borderwidth 4
1999
2000	checkbutton $inner.glyphs \
2001	-text "Show Glyphs" \
2002	-variable [itcl::scope _settings(glyphs-visible)] \
2003	-command [itcl::code $this AdjustSetting glyphs-visible] \
2004	-font "Arial 9" -anchor w
2005
2006	checkbutton $inner.outline \
2007	-text "Show Outline" \
2008	-variable [itcl::scope _settings(glyphs-outline)] \
2009	-command [itcl::code $this AdjustSetting glyphs-outline] \
2010	-font "Arial 9" -anchor w
2011
2012	checkbutton $inner.wireframe \
2013	-text "Show Wireframe" \
2014	-variable [itcl::scope _settings(glyphs-wireframe)] \
2015	-command [itcl::code $this AdjustSetting glyphs-wireframe] \
2016	-font "Arial 9" -anchor w
2017
2018	checkbutton $inner.lighting \
2019	-text "Enable Lighting" \
2020	-variable [itcl::scope _settings(glyphs-lighting)] \
2021	-command [itcl::code $this AdjustSetting glyphs-lighting] \
2022	-font "Arial 9" -anchor w
2023
2024	checkbutton $inner.edges \
2025	-text "Show Edges" \
2026	-variable [itcl::scope _settings(glyphs-edges)] \
2027	-command [itcl::code $this AdjustSetting glyphs-edges] \
2028	-font "Arial 9" -anchor w
2029
2030	label $inner.palette_l -text "Palette" -font "Arial 9" -anchor w
2031	itk_component add glyphspalette {
2032	Rappture::Combobox $inner.palette -width 10 -editable no
2033	}
2034	$inner.palette choices insert end [GetColormapList]
2035	$itk_component(glyphspalette) value "BCGYR"
2036	bind $inner.palette <<Value>> \
2037	[itcl::code $this AdjustSetting glyphs-palette]
2038
2039	label $inner.opacity_l -text "Opacity" -font "Arial 9" -anchor w
2040	::scale $inner.opacity -from 0 -to 100 -orient horizontal \
2041	-variable [itcl::scope _settings(glyphs-opacity)] \
2042	-width 10 \
2043	-showvalue off \
2044	-command [itcl::code $this EventuallySetGlyphsOpacity]
2045	$inner.opacity set $_settings(glyphs-opacity)
2046
2047	blt::table $inner \
2048	0,0 $inner.glyphs -cspan 2 -anchor w -pady 2 \
2049	1,0 $inner.outline -cspan 2 -anchor w -pady 2 \
2050	2,0 $inner.wireframe -cspan 2 -anchor w -pady 2 \
2051	3,0 $inner.lighting -cspan 2 -anchor w -pady 2 \
2052	4,0 $inner.edges -cspan 2 -anchor w -pady 2 \
2053	5,0 $inner.opacity_l -anchor w -pady 2 \
2054	5,1 $inner.opacity -fill x -pady 2 \
2055	6,0 $inner.palette_l -anchor w -pady 2 \
2056	6,1 $inner.palette -fill x -pady 2
2057
2058	blt::table configure $inner r* c* -resize none
2059	blt::table configure $inner r8 c1 -resize expand
2060	}
2061
2062	itcl::body Rappture::VtkViewer::BuildPolydataTab {} {
2063
2064	set fg [option get $itk_component(hull) font Font]
2065	#set bfg [option get $itk_component(hull) boldFont Font]
2066
2067	set inner [$itk_component(main) insert 0 \
2068	-title "Mesh Settings" \
2069	-icon [Rappture::icon mesh]]
2070	$inner configure -borderwidth 4
2071
2072	checkbutton $inner.mesh \
2073	-text "Show Mesh" \
2074	-variable [itcl::scope _settings(polydata-visible)] \
2075	-command [itcl::code $this AdjustSetting polydata-visible] \
2076	-font "Arial 9" -anchor w
2077
2078	checkbutton $inner.outline \
2079	-text "Show Outline" \
2080	-variable [itcl::scope _settings(polydata-outline)] \
2081	-command [itcl::code $this AdjustSetting polydata-outline] \
2082	-font "Arial 9" -anchor w
2083
2084	checkbutton $inner.wireframe \
2085	-text "Show Wireframe" \
2086	-variable [itcl::scope _settings(polydata-wireframe)] \
2087	-command [itcl::code $this AdjustSetting polydata-wireframe] \
2088	-font "Arial 9" -anchor w
2089
2090	checkbutton $inner.lighting \
2091	-text "Enable Lighting" \
2092	-variable [itcl::scope _settings(polydata-lighting)] \
2093	-command [itcl::code $this AdjustSetting polydata-lighting] \
2094	-font "Arial 9" -anchor w
2095
2096	checkbutton $inner.edges \
2097	-text "Show Edges" \
2098	-variable [itcl::scope _settings(polydata-edges)] \
2099	-command [itcl::code $this AdjustSetting polydata-edges] \
2100	-font "Arial 9" -anchor w
2101
2102	label $inner.palette_l -text "Palette" -font "Arial 9" -anchor w
2103	itk_component add meshpalette {
2104	Rappture::Combobox $inner.palette -width 10 -editable no
2105	}
2106	$inner.palette choices insert end [GetColormapList]
2107	$itk_component(meshpalette) value "BCGYR"
2108	bind $inner.palette <<Value>> \
2109	[itcl::code $this AdjustSetting polydata-palette]
2110
2111	label $inner.opacity_l -text "Opacity" -font "Arial 9" -anchor w
2112	::scale $inner.opacity -from 0 -to 100 -orient horizontal \
2113	-variable [itcl::scope _settings(polydata-opacity)] \
2114	-width 10 \
2115	-showvalue off \
2116	-command [itcl::code $this EventuallySetPolydataOpacity]
2117	$inner.opacity set $_settings(polydata-opacity)
2118
2119	blt::table $inner \
2120	0,0 $inner.mesh -cspan 2 -anchor w -pady 2 \
2121	1,0 $inner.outline -cspan 2 -anchor w -pady 2 \
2122	2,0 $inner.wireframe -cspan 2 -anchor w -pady 2 \
2123	3,0 $inner.lighting -cspan 2 -anchor w -pady 2 \
2124	4,0 $inner.edges -cspan 2 -anchor w -pady 2 \
2125	5,0 $inner.opacity_l -anchor w -pady 2 \
2126	5,1 $inner.opacity -fill x -pady 2 \
2127	6,0 $inner.palette_l -anchor w -pady 2 \
2128	6,1 $inner.palette -fill x -pady 2
2129
2130	blt::table configure $inner r* c* -resize none
2131	blt::table configure $inner r8 c1 -resize expand
2132	}
2133
2134	itcl::body Rappture::VtkViewer::BuildAxisTab {} {
2135
2136	set fg [option get $itk_component(hull) font Font]
2137	#set bfg [option get $itk_component(hull) boldFont Font]
2138
2139	set inner [$itk_component(main) insert end \
2140	-title "Axis Settings" \
2141	-icon [Rappture::icon axis2]]
2142	$inner configure -borderwidth 4
2143
2144	checkbutton $inner.visible \
2145	-text "Axes" \
2146	-variable [itcl::scope _axis(visible)] \
2147	-command [itcl::code $this AdjustSetting axis-visible] \
2148	-font "Arial 9"
2149
2150	checkbutton $inner.labels \
2151	-text "Axis Labels" \
2152	-variable [itcl::scope _axis(labels)] \
2153	-command [itcl::code $this AdjustSetting axis-labels] \
2154	-font "Arial 9"
2155	label $inner.grid_l -text "Grid" -font "Arial 9"
2156	checkbutton $inner.xgrid \
2157	-text "X" \
2158	-variable [itcl::scope _axis(xgrid)] \
2159	-command [itcl::code $this AdjustSetting axis-xgrid] \
2160	-font "Arial 9"
2161	checkbutton $inner.ygrid \
2162	-text "Y" \
2163	-variable [itcl::scope _axis(ygrid)] \
2164	-command [itcl::code $this AdjustSetting axis-ygrid] \
2165	-font "Arial 9"
2166	checkbutton $inner.zgrid \
2167	-text "Z" \
2168	-variable [itcl::scope _axis(zgrid)] \
2169	-command [itcl::code $this AdjustSetting axis-zgrid] \
2170	-font "Arial 9"
2171	checkbutton $inner.minorticks \
2172	-text "Minor Ticks" \
2173	-variable [itcl::scope _axis(minorticks)] \
2174	-command [itcl::code $this AdjustSetting axis-minorticks] \
2175	-font "Arial 9"
2176
2177	label $inner.mode_l -text "Mode" -font "Arial 9"
2178
2179	itk_component add axismode {
2180	Rappture::Combobox $inner.mode -width 10 -editable no
2181	}
2182	$inner.mode choices insert end \
2183	"static_triad" "static" \
2184	"closest_triad" "closest" \
2185	"furthest_triad" "farthest" \
2186	"outer_edges" "outer"
2187	$itk_component(axismode) value "static"
2188	bind $inner.mode <<Value>> [itcl::code $this AdjustSetting axis-mode]
2189
2190	blt::table $inner \
2191	0,0 $inner.visible -anchor w -cspan 4 \
2192	1,0 $inner.labels -anchor w -cspan 4 \
2193	2,0 $inner.minorticks -anchor w -cspan 4 \
2194	4,0 $inner.grid_l -anchor w \
2195	4,1 $inner.xgrid -anchor w \
2196	4,2 $inner.ygrid -anchor w \
2197	4,3 $inner.zgrid -anchor w \
2198	5,0 $inner.mode_l -anchor w -padx { 2 0 } \
2199	5,1 $inner.mode -fill x -cspan 3
2200
2201	blt::table configure $inner r* c* -resize none
2202	blt::table configure $inner r7 c6 -resize expand
2203	blt::table configure $inner r3 -height 0.125i
2204	}
2205
2206	itcl::body Rappture::VtkViewer::BuildCameraTab {} {
2207	set inner [$itk_component(main) insert end \
2208	-title "Camera Settings" \
2209	-icon [Rappture::icon camera]]
2210	$inner configure -borderwidth 4
2211
2212	label $inner.view_l -text "view" -font "Arial 9"
2213	set f [frame $inner.view]
2214	foreach side { front back left right top bottom } {
2215	button $f.$side -image [Rappture::icon view$side] \
2216	-command [itcl::code $this SetOrientation $side]
2217	Rappture::Tooltip::for $f.$side "Change the view to $side"
2218	pack $f.$side -side left
2219	}
2220
2221	blt::table $inner \
2222	0,0 $inner.view_l -anchor e -pady 2 \
2223	0,1 $inner.view -anchor w -pady 2
2224	blt::table configure $inner r0 -resize none
2225
2226	set labels { qx qy qz qw xpan ypan zoom }
2227	set row 1
2228	foreach tag $labels {
2229	label $inner.${tag}label -text $tag -font "Arial 9"
2230	entry $inner.${tag} -font "Arial 9" -bg white \
2231	-textvariable [itcl::scope _view(-$tag)]
2232	bind $inner.${tag} <Return> \
2233	[itcl::code $this camera set -${tag}]
2234	bind $inner.${tag} <KP_Enter> \
2235	[itcl::code $this camera set -${tag}]
2236	blt::table $inner \
2237	$row,0 $inner.${tag}label -anchor e -pady 2 \
2238	$row,1 $inner.${tag} -anchor w -pady 2
2239	blt::table configure $inner r$row -resize none
2240	incr row
2241	}
2242	checkbutton $inner.ortho \
2243	-text "Orthographic Projection" \
2244	-variable [itcl::scope _view(-ortho)] \
2245	-command [itcl::code $this camera set -ortho] \
2246	-font "Arial 9"
2247	blt::table $inner \
2248	$row,0 $inner.ortho -cspan 2 -anchor w -pady 2
2249	blt::table configure $inner r$row -resize none
2250	incr row
2251
2252	blt::table configure $inner c* -resize none
2253	blt::table configure $inner c2 -resize expand
2254	blt::table configure $inner r$row -resize expand
2255	}
2256
2257	itcl::body Rappture::VtkViewer::BuildCutawayTab {} {
2258
2259	set fg [option get $itk_component(hull) font Font]
2260
2261	set inner [$itk_component(main) insert end \
2262	-title "Cutaway Along Axis" \
2263	-icon [Rappture::icon cutbutton]]
2264
2265	$inner configure -borderwidth 4
2266
2267	# X-value slicer...
2268	itk_component add xCutButton {
2269	Rappture::PushButton $inner.xbutton \
2270	-onimage [Rappture::icon x-cutplane] \
2271	-offimage [Rappture::icon x-cutplane] \
2272	-command [itcl::code $this AdjustSetting axis-xcutaway] \
2273	-variable [itcl::scope _axis(xcutaway)]
2274	}
2275	Rappture::Tooltip::for $itk_component(xCutButton) \
2276	"Toggle the X-axis cutaway on/off"
2277
2278	itk_component add xCutScale {
2279	::scale $inner.xval -from 100 -to 0 \
2280	-width 10 -orient vertical -showvalue yes \
2281	-borderwidth 1 -highlightthickness 0 \
2282	-command [itcl::code $this Slice move x] \
2283	-variable [itcl::scope _axis(xposition)]
2284	} {
2285	usual
2286	ignore -borderwidth -highlightthickness
2287	}
2288	# Set the default cutaway value before disabling the scale.
2289	$itk_component(xCutScale) set 100
2290	$itk_component(xCutScale) configure -state disabled
2291	Rappture::Tooltip::for $itk_component(xCutScale) \
2292	"@[itcl::code $this Slice tooltip x]"
2293
2294	itk_component add xDirButton {
2295	Rappture::PushButton $inner.xdir \
2296	-onimage [Rappture::icon arrow-down] \
2297	-onvalue -1 \
2298	-offimage [Rappture::icon arrow-up] \
2299	-offvalue 1 \
2300	-command [itcl::code $this AdjustSetting axis-xdirection] \
2301	-variable [itcl::scope _axis(xdirection)]
2302	}
2303	set _axis(xdirection) -1
2304	Rappture::Tooltip::for $itk_component(xDirButton) \
2305	"Toggle the direction of the X-axis cutaway"
2306
2307	# Y-value slicer...
2308	itk_component add yCutButton {
2309	Rappture::PushButton $inner.ybutton \
2310	-onimage [Rappture::icon y-cutplane] \
2311	-offimage [Rappture::icon y-cutplane] \
2312	-command [itcl::code $this AdjustSetting axis-ycutaway] \
2313	-variable [itcl::scope _axis(ycutaway)]
2314	}
2315	Rappture::Tooltip::for $itk_component(yCutButton) \
2316	"Toggle the Y-axis cutaway on/off"
2317
2318	itk_component add yCutScale {
2319	::scale $inner.yval -from 100 -to 0 \
2320	-width 10 -orient vertical -showvalue yes \
2321	-borderwidth 1 -highlightthickness 0 \
2322	-command [itcl::code $this Slice move y] \
2323	-variable [itcl::scope _axis(yposition)]
2324	} {
2325	usual
2326	ignore -borderwidth -highlightthickness
2327	}
2328	Rappture::Tooltip::for $itk_component(yCutScale) \
2329	"@[itcl::code $this Slice tooltip y]"
2330	# Set the default cutaway value before disabling the scale.
2331	$itk_component(yCutScale) set 100
2332	$itk_component(yCutScale) configure -state disabled
2333
2334	itk_component add yDirButton {
2335	Rappture::PushButton $inner.ydir \
2336	-onimage [Rappture::icon arrow-down] \
2337	-onvalue -1 \
2338	-offimage [Rappture::icon arrow-up] \
2339	-offvalue 1 \
2340	-command [itcl::code $this AdjustSetting axis-ydirection] \
2341	-variable [itcl::scope _axis(ydirection)]
2342	}
2343	Rappture::Tooltip::for $itk_component(yDirButton) \
2344	"Toggle the direction of the Y-axis cutaway"
2345	set _axis(ydirection) -1
2346
2347	# Z-value slicer...
2348	itk_component add zCutButton {
2349	Rappture::PushButton $inner.zbutton \
2350	-onimage [Rappture::icon z-cutplane] \
2351	-offimage [Rappture::icon z-cutplane] \
2352	-command [itcl::code $this AdjustSetting axis-zcutaway] \
2353	-variable [itcl::scope _axis(zcutaway)]
2354	}
2355	Rappture::Tooltip::for $itk_component(zCutButton) \
2356	"Toggle the Z-axis cutaway on/off"
2357
2358	itk_component add zCutScale {
2359	::scale $inner.zval -from 100 -to 0 \
2360	-width 10 -orient vertical -showvalue yes \
2361	-borderwidth 1 -highlightthickness 0 \
2362	-command [itcl::code $this Slice move z] \
2363	-variable [itcl::scope _axis(zposition)]
2364	} {
2365	usual
2366	ignore -borderwidth -highlightthickness
2367	}
2368	$itk_component(zCutScale) set 100
2369	$itk_component(zCutScale) configure -state disabled
2370	Rappture::Tooltip::for $itk_component(zCutScale) \
2371	"@[itcl::code $this Slice tooltip z]"
2372
2373	itk_component add zDirButton {
2374	Rappture::PushButton $inner.zdir \
2375	-onimage [Rappture::icon arrow-down] \
2376	-onvalue -1 \
2377	-offimage [Rappture::icon arrow-up] \
2378	-offvalue 1 \
2379	-command [itcl::code $this AdjustSetting axis-zdirection] \
2380	-variable [itcl::scope _axis(zdirection)]
2381	}
2382	set _axis(zdirection) -1
2383	Rappture::Tooltip::for $itk_component(zDirButton) \
2384	"Toggle the direction of the Z-axis cutaway"
2385
2386	blt::table $inner \
2387	0,0 $itk_component(xCutButton) -anchor e -padx 2 -pady 2 \
2388	1,0 $itk_component(xCutScale) -fill y \
2389	0,1 $itk_component(yCutButton) -anchor e -padx 2 -pady 2 \
2390	1,1 $itk_component(yCutScale) -fill y \
2391	0,2 $itk_component(zCutButton) -anchor e -padx 2 -pady 2 \
2392	1,2 $itk_component(zCutScale) -fill y \
2393
2394	blt::table configure $inner r* c* -resize none
2395	blt::table configure $inner r1 c3 -resize expand
2396	}
2397
2398	itcl::body Rappture::VtkViewer::BuildMoleculeTab {} {
2399	set fg [option get $itk_component(hull) font Font]
2400
2401	set inner [$itk_component(main) insert 0 \
2402	-title "Molecule Settings" \
2403	-icon [Rappture::icon molecule]]
2404	$inner configure -borderwidth 4
2405
2406	checkbutton $inner.molecule \
2407	-text "Show Molecule" \
2408	-variable [itcl::scope _settings(molecule-visible)] \
2409	-command [itcl::code $this AdjustSetting molecule-visible] \
2410	-font "Arial 9"
2411
2412	checkbutton $inner.outline \
2413	-text "Show Outline" \
2414	-variable [itcl::scope _settings(molecule-outline)] \
2415	-command [itcl::code $this AdjustSetting molecule-outline] \
2416	-font "Arial 9"
2417
2418	checkbutton $inner.label \
2419	-text "Show Atom Labels" \
2420	-variable [itcl::scope _settings(molecule-labels)] \
2421	-command [itcl::code $this AdjustSetting molecule-labels] \
2422	-font "Arial 9"
2423
2424	checkbutton $inner.wireframe \
2425	-text "Show Wireframe" \
2426	-variable [itcl::scope _settings(molecule-wireframe)] \
2427	-command [itcl::code $this AdjustSetting molecule-wireframe] \
2428	-font "Arial 9"
2429
2430	checkbutton $inner.lighting \
2431	-text "Enable Lighting" \
2432	-variable [itcl::scope _settings(molecule-lighting)] \
2433	-command [itcl::code $this AdjustSetting molecule-lighting] \
2434	-font "Arial 9"
2435
2436	checkbutton $inner.edges \
2437	-text "Show Edges" \
2438	-variable [itcl::scope _settings(molecule-edges)] \
2439	-command [itcl::code $this AdjustSetting molecule-edges] \
2440	-font "Arial 9"
2441
2442	label $inner.rep_l -text "Molecule Representation" \
2443	-font "Arial 9"
2444
2445	itk_component add representation {
2446	Rappture::Combobox $inner.rep -width 20 -editable no
2447	}
2448	$inner.rep choices insert end \
2449	"ballandstick" "Ball and Stick" \
2450	"spheres" "Spheres" \
2451	"sticks" "Sticks" \
2452	"rods" "Rods" \
2453	"wireframe" "Wireframe" \
2454	"spacefilling" "Space Filling"
2455
2456	bind $inner.rep <<Value>> \
2457	[itcl::code $this AdjustSetting molecule-representation]
2458	$inner.rep value "Ball and Stick"
2459
2460	label $inner.rscale_l -text "Atom Radii" \
2461	-font "Arial 9"
2462
2463	itk_component add rscale {
2464	Rappture::Combobox $inner.rscale -width 20 -editable no
2465	}
2466	$inner.rscale choices insert end \
2467	"atomic" "Atomic" \
2468	"covalent" "Covalent" \
2469	"van_der_waals" "VDW" \
2470	"none" "Constant"
2471
2472	bind $inner.rscale <<Value>> \
2473	[itcl::code $this AdjustSetting molecule-rscale]
2474	$inner.rscale value "Covalent"
2475
2476	label $inner.palette_l -text "Palette" -font "Arial 9"
2477	itk_component add moleculepalette {
2478	Rappture::Combobox $inner.palette -width 10 -editable no
2479	}
2480	$inner.palette choices insert end [GetColormapList -includeElementDefault]
2481	$itk_component(moleculepalette) value "elementDefault"
2482	bind $inner.palette <<Value>> \
2483	[itcl::code $this AdjustSetting molecule-palette]
2484
2485	label $inner.atomscale_l -text "Atom Scale" -font "Arial 9"
2486	::scale $inner.atomscale -width 15 -font "Arial 7" \
2487	-from 0.025 -to 2.0 -resolution 0.025 -label "" \
2488	-showvalue true -orient horizontal \
2489	-command [itcl::code $this EventuallySetAtomScale] \
2490	-variable [itcl::scope _settings(molecule-atomscale)]
2491	$inner.atomscale set $_settings(molecule-atomscale)
2492	Rappture::Tooltip::for $inner.atomscale \
2493	"Adjust relative scale of atoms (spheres or balls)."
2494
2495	label $inner.bondscale_l -text "Bond Scale" -font "Arial 9"
2496	::scale $inner.bondscale -width 15 -font "Arial 7" \
2497	-from 0.005 -to 0.3 -resolution 0.005 -label "" \
2498	-showvalue true -orient horizontal \
2499	-command [itcl::code $this EventuallySetBondScale] \
2500	-variable [itcl::scope _settings(molecule-bondscale)]
2501	Rappture::Tooltip::for $inner.bondscale \
2502	"Adjust scale of bonds (sticks)."
2503	$inner.bondscale set $_settings(molecule-bondscale)
2504
2505	label $inner.opacity_l -text "Opacity" -font "Arial 9"
2506	::scale $inner.opacity -from 0 -to 100 -orient horizontal \
2507	-variable [itcl::scope _settings(molecule-opacity)] \
2508	-width 15 -font "Arial 7" \
2509	-showvalue on \
2510	-command [itcl::code $this EventuallySetMoleculeOpacity]
2511
2512	label $inner.quality_l -text "Quality" -font "Arial 9"
2513	::scale $inner.quality -width 15 -font "Arial 7" \
2514	-from 0.0 -to 10.0 -resolution 0.1 -label "" \
2515	-showvalue true -orient horizontal \
2516	-command [itcl::code $this EventuallySetMoleculeQuality] \
2517	-variable [itcl::scope _settings(molecule-quality)]
2518	Rappture::Tooltip::for $inner.quality \
2519	"Adjust tesselation quality"
2520	$inner.quality set $_settings(molecule-quality)
2521
2522	blt::table $inner \
2523	0,0 $inner.molecule -anchor w -pady {1 0} \
2524	1,0 $inner.outline -anchor w -pady {1 0} \
2525	2,0 $inner.label -anchor w -pady {1 0} \
2526	3,0 $inner.edges -anchor w -pady {1 0} \
2527	4,0 $inner.rep_l -anchor w -pady { 2 0 } \
2528	5,0 $inner.rep -fill x -pady 2 \
2529	6,0 $inner.rscale_l -anchor w -pady { 2 0 } \
2530	7,0 $inner.rscale -fill x -pady 2 \
2531	8,0 $inner.palette_l -anchor w -pady 0 \
2532	9,0 $inner.palette -fill x -padx 2 \
2533	10,0 $inner.atomscale_l -anchor w -pady {3 0} \
2534	11,0 $inner.atomscale -fill x -padx 2 \
2535	12,0 $inner.bondscale_l -anchor w -pady {3 0} \
2536	13,0 $inner.bondscale -fill x -padx 2 \
2537	14,0 $inner.opacity_l -anchor w -pady {3 0} \
2538	15,0 $inner.opacity -fill x -padx 2 \
2539	16,0 $inner.quality_l -anchor w -pady {3 0} \
2540	17,0 $inner.quality -fill x -padx 2
2541
2542	blt::table configure $inner r* -resize none
2543	blt::table configure $inner r18 -resize expand
2544	}
2545
2546	#
2547	# camera --
2548	#
2549	itcl::body Rappture::VtkViewer::camera {option args} {
2550	switch -- $option {
2551	"show" {
2552	puts [array get _view]
2553	}
2554	"set" {
2555	set what [lindex $args 0]
2556	set x $_view($what)
2557	set code [catch { string is double $x } result]
2558	if { $code != 0 \|\| !$result } {
2559	return
2560	}
2561	switch -- $what {
2562	"-ortho" {
2563	if {$_view($what)} {
2564	SendCmd "camera mode ortho"
2565	} else {
2566	SendCmd "camera mode persp"
2567	}
2568	}
2569	"-xpan" - "-ypan" {
2570	PanCamera
2571	}
2572	"-qx" - "-qy" - "-qz" - "-qw" {
2573	set q [ViewToQuaternion]
2574	$_arcball quaternion $q
2575	EventuallyRotate $q
2576	}
2577	"-zoom" {
2578	SendCmd "camera zoom $_view($what)"
2579	}
2580	}
2581	}
2582	}
2583	}
2584
2585	itcl::body Rappture::VtkViewer::GetVtkData { args } {
2586	set bytes ""
2587	foreach dataobj [get] {
2588	foreach comp [$dataobj components] {
2589	set tag $dataobj-$comp
2590	set contents [$dataobj data $comp]
2591	append bytes "$contents\n"
2592	}
2593	}
2594	return [list .vtk $bytes]
2595	}
2596
2597	itcl::body Rappture::VtkViewer::GetImage { args } {
2598	if { [image width $_image(download)] > 0 &&
2599	[image height $_image(download)] > 0 } {
2600	set bytes [$_image(download) data -format "jpeg -quality 100"]
2601	set bytes [Rappture::encoding::decode -as b64 $bytes]
2602	return [list .jpg $bytes]
2603	}
2604	return ""
2605	}
2606
2607	itcl::body Rappture::VtkViewer::BuildDownloadPopup { popup command } {
2608	Rappture::Balloon $popup \
2609	-title "[Rappture::filexfer::label downloadWord] as..."
2610	set inner [$popup component inner]
2611	label $inner.summary -text "" -anchor w
2612	radiobutton $inner.vtk_button -text "VTK data file" \
2613	-variable [itcl::scope _downloadPopup(format)] \
2614	-font "Helvetica 9 " \
2615	-value vtk
2616	Rappture::Tooltip::for $inner.vtk_button "Save as VTK data file."
2617	radiobutton $inner.image_button -text "Image File" \
2618	-variable [itcl::scope _downloadPopup(format)] \
2619	-value image
2620	Rappture::Tooltip::for $inner.image_button \
2621	"Save as digital image."
2622
2623	button $inner.ok -text "Save" \
2624	-highlightthickness 0 -pady 2 -padx 3 \
2625	-command $command \
2626	-compound left \
2627	-image [Rappture::icon download]
2628
2629	button $inner.cancel -text "Cancel" \
2630	-highlightthickness 0 -pady 2 -padx 3 \
2631	-command [list $popup deactivate] \
2632	-compound left \
2633	-image [Rappture::icon cancel]
2634
2635	blt::table $inner \
2636	0,0 $inner.summary -cspan 2 \
2637	1,0 $inner.vtk_button -anchor w -cspan 2 -padx { 4 0 } \
2638	2,0 $inner.image_button -anchor w -cspan 2 -padx { 4 0 } \
2639	4,1 $inner.cancel -width .9i -fill y \
2640	4,0 $inner.ok -padx 2 -width .9i -fill y
2641	blt::table configure $inner r3 -height 4
2642	blt::table configure $inner r4 -pady 4
2643	raise $inner.image_button
2644	$inner.vtk_button invoke
2645	return $inner
2646	}
2647
2648	itcl::body Rappture::VtkViewer::SetObjectStyle { dataobj comp } {
2649	# Parse style string.
2650	set tag $dataobj-$comp
2651	set type [$dataobj type $comp]
2652	set style [$dataobj style $comp]
2653	if { $dataobj != $_first } {
2654	set settings(-wireframe) 1
2655	}
2656	switch -- $type {
2657	"glyphs" {
2658	array set settings {
2659	-color white
2660	-edgecolor black
2661	-edges 0
2662	-gscale 1
2663	-lighting 1
2664	-linewidth 1.0
2665	-normscale 0
2666	-opacity 1.0
2667	-orientGlyphs 0
2668	-outline 0
2669	-ptsize 1.0
2670	-quality 1
2671	-scaleMode "vcomp"
2672	-shape "sphere"
2673	-visible 1
2674	-wireframe 0
2675	}
2676	array set settings $style
2677	set shape [$dataobj shape $comp]
2678	if {$shape != ""} {
2679	set settings(-shape) $shape
2680	}
2681	SendCmd "outline add $tag"
2682	SendCmd "outline color [Color2RGB $settings(-color)] $tag"
2683	SendCmd "outline visible $settings(-outline) $tag"
2684	set _settings(glyphs-outline) $settings(-outline)
2685
2686	SendCmd "glyphs add $settings(-shape) $tag"
2687	SendCmd "glyphs normscale $settings(-normscale) $tag"
2688	SendCmd "glyphs gscale $settings(-gscale) $tag"
2689	SendCmd "glyphs wireframe $settings(-wireframe) $tag"
2690	SendCmd "glyphs color [Color2RGB $settings(-color)] $tag"
2691	#SendCmd "glyphs colormode constant {} $tag"
2692	# Omitting field name for gorient and smode commands
2693	# defaults to active scalars or vectors depending on mode
2694	SendCmd "glyphs gorient $settings(-orientGlyphs) {} $tag"
2695	SendCmd "glyphs smode $settings(-scaleMode) {} $tag"
2696	SendCmd "glyphs edges $settings(-edges) $tag"
2697	SendCmd "glyphs linecolor [Color2RGB $settings(-edgecolor)] $tag"
2698	SendCmd "glyphs linewidth $settings(-linewidth) $tag"
2699	SendCmd "glyphs ptsize $settings(-ptsize) $tag"
2700	SendCmd "glyphs quality $settings(-quality) $tag"
2701	SendCmd "glyphs lighting $settings(-lighting) $tag"
2702	SendCmd "glyphs opacity $settings(-opacity) $tag"
2703	set _settings(glyphs-opacity) [expr 100.0 * $settings(-opacity)]
2704	SendCmd "glyphs visible $settings(-visible) $tag"
2705	set _settings(glyphs-wireframe) $settings(-wireframe)
2706	}
2707	"molecule" {
2708	array set settings {
2709	-atomscale 0.3
2710	-atomsvisible 1
2711	-bondscale 0.075
2712	-bondstyle "cylinder"
2713	-bondsvisible 1
2714	-color "elementDefault"
2715	-edgecolor black
2716	-edges 0
2717	-labels 0
2718	-lighting 1
2719	-linewidth 1.0
2720	-opacity 1.0
2721	-outline 0
2722	-quality 1.0
2723	-representation ""
2724	-rscale "covalent"
2725	-visible 1
2726	-wireframe 0
2727	}
2728	array set settings $style
2729
2730	SendCmd "outline add $tag"
2731	SendCmd "outline color [Color2RGB white] $tag"
2732	SendCmd "outline visible $settings(-outline) $tag"
2733	set _settings(molecule-outline) $settings(-outline)
2734
2735	SendCmd "molecule add $tag"
2736	if {$settings(-representation) != ""} {
2737	switch -- $settings(-representation) {
2738	"ballandstick" {
2739	set _settings(molecule-rscale) covalent
2740	set _settings(molecule-atoms-visible) 1
2741	set _settings(molecule-bonds-visible) 1
2742	set _settings(molecule-bondstyle) cylinder
2743	set _settings(molecule-atomscale) 0.3
2744	set _settings(molecule-bondscale) 0.075
2745	}
2746	"balls" - "spheres" {
2747	set _settings(molecule-rscale) covalent
2748	set _settings(molecule-atoms-visible) 1
2749	set _settings(molecule-bonds-visible) 0
2750	set _settings(molecule-bondstyle) cylinder
2751	set _settings(molecule-atomscale) 0.3
2752	set _settings(molecule-bondscale) 0.075
2753	}
2754	"sticks" {
2755	set _settings(molecule-rscale) none
2756	set _settings(molecule-atoms-visible) 1
2757	set _settings(molecule-bonds-visible) 1
2758	set _settings(molecule-bondstyle) cylinder
2759	set _settings(molecule-atomscale) 0.075
2760	set _settings(molecule-bondscale) 0.075
2761	}
2762	"spacefilling" {
2763	set _settings(molecule-rscale) van_der_waals
2764	set _settings(molecule-atoms-visible) 1
2765	set _settings(molecule-bonds-visible) 0
2766	set _settings(molecule-bondstyle) cylinder
2767	set _settings(molecule-atomscale) 1.0
2768	set _settings(molecule-bondscale) 0.075
2769	}
2770	"rods" {
2771	set _settings(molecule-rscale) none
2772	set _settings(molecule-atoms-visible) 1
2773	set _settings(molecule-bonds-visible) 1
2774	set _settings(molecule-bondstyle) cylinder
2775	set _settings(molecule-atomscale) 0.1
2776	set _settings(molecule-bondscale) 0.1
2777	}
2778	"wireframe" - "lines" {
2779	set _settings(molecule-rscale) none
2780	set _settings(molecule-atoms-visible) 0
2781	set _settings(molecule-bonds-visible) 1
2782	set _settings(molecule-bondstyle) line
2783	set _settings(molecule-atomscale) 1.0
2784	set _settings(molecule-bondscale) 1.0
2785	}
2786	default {
2787	error "unknown representation $value"
2788	}
2789	}
2790	SendCmd "molecule rscale $_settings(molecule-rscale) $tag"
2791	SendCmd "molecule atoms $_settings(molecule-atoms-visible) $tag"
2792	SendCmd "molecule bonds $_settings(molecule-bonds-visible) $tag"
2793	SendCmd "molecule bstyle $_settings(molecule-bondstyle) $tag"
2794	SendCmd "molecule ascale $_settings(molecule-atomscale) $tag"
2795	SendCmd "molecule bscale $_settings(molecule-bondscale) $tag"
2796	$itk_component(representation) value [$itk_component(representation) label $settings(-representation)]
2797	$itk_component(rscale) value [$itk_component(rscale) label $_settings(molecule-rscale)]
2798	switch -- $settings(-representation) {
2799	"ballandstick" - "balls" - "spheres" {
2800	$itk_component(rscale) configure -state normal
2801	}
2802	default {
2803	$itk_component(rscale) configure -state disabled
2804	}
2805	}
2806	} else {
2807	SendCmd "molecule rscale $settings(-rscale) $tag"
2808	set _settings(molecule-rscale) $settings(-rscale)
2809	SendCmd "molecule atoms $settings(-atomsvisible) $tag"
2810	set _settings(molecule-atoms-visible) $settings(-atomsvisible)
2811	SendCmd "molecule bonds $settings(-bondsvisible) $tag"
2812	set _settings(molecule-bonds-visible) $settings(-bondsvisible)
2813	SendCmd "molecule bstyle $settings(-bondstyle) $tag"
2814	set _settings(molecule-bondstyle) $settings(-bondstyle)
2815	SendCmd "molecule ascale $settings(-atomscale) $tag"
2816	set _settings(molecule-atomscale) $settings(-atomscale)
2817	SendCmd "molecule bscale $settings(-bondscale) $tag"
2818	set _settings(molecule-bondscale) $settings(-bondscale)
2819	}
2820	SendCmd "molecule labels $settings(-labels) $tag"
2821	set _settings(molecule-labels) $settings(-labels)
2822	SendCmd "molecule linecolor [Color2RGB $settings(-edgecolor)] $tag"
2823	SendCmd "molecule linewidth $settings(-linewidth) $tag"
2824	SendCmd "molecule edges $settings(-edges) $tag"
2825	set _settings(molecule-edges) $settings(-edges)
2826	SendCmd "molecule lighting $settings(-lighting) $tag"
2827	set _settings(molecule-lighting) $settings(-lighting)
2828	SendCmd "molecule aquality $settings(-quality) $tag"
2829	SendCmd "molecule bquality $settings(-quality) $tag"
2830	set _settings(molecule-quality) $settings(-quality)
2831	SendCmd "molecule visible $settings(-visible) $tag"
2832	set _settings(molecule-visible) $settings(-visible)
2833	set _haveMolecules 1
2834	}
2835	"polydata" {
2836	array set settings {
2837	-cloudstyle "mesh"
2838	-color white
2839	-edgecolor black
2840	-edges 1
2841	-lighting 1
2842	-linewidth 1.0
2843	-opacity 1.0
2844	-outline 0
2845	-visible 1
2846	-wireframe 0
2847	}
2848	array set settings $style
2849
2850	SendCmd "outline add $tag"
2851	SendCmd "outline color [Color2RGB $settings(-color)] $tag"
2852	SendCmd "outline visible $settings(-outline) $tag"
2853	set _settings(polydata-outline) $settings(-outline)
2854
2855	SendCmd "polydata add $tag"
2856	SendCmd "polydata visible $settings(-visible) $tag"
2857	set _settings(polydata-visible) $settings(-visible)
2858	SendCmd "polydata edges $settings(-edges) $tag"
2859	set _settings(polydata-edges) $settings(-edges)
2860	SendCmd "polydata cloudstyle $settings(-cloudstyle) $tag"
2861	SendCmd "polydata color [Color2RGB $settings(-color)] $tag"
2862	#SendCmd "polydata colormode constant {} $tag"
2863	SendCmd "polydata lighting $settings(-lighting) $tag"
2864	set _settings(polydata-lighting) $settings(-lighting)
2865	SendCmd "polydata linecolor [Color2RGB $settings(-edgecolor)] $tag"
2866	SendCmd "polydata linewidth $settings(-linewidth) $tag"
2867	SendCmd "polydata opacity $settings(-opacity) $tag"
2868	set _settings(polydata-opacity) [expr 100.0 * $settings(-opacity)]
2869	SendCmd "polydata wireframe $settings(-wireframe) $tag"
2870	set _settings(polydata-wireframe) $settings(-wireframe)
2871	set havePolyData 1
2872	}
2873	}
2874	SetColormap $dataobj $comp
2875	}
2876
2877	itcl::body Rappture::VtkViewer::IsValidObject { dataobj } {
2878	if {[catch {$dataobj isa Rappture::Drawing} valid] != 0 \|\| !$valid} {
2879	return 0
2880	}
2881	return 1
2882	}
2883
2884	# ----------------------------------------------------------------------
2885	# USAGE: ReceiveLegend <colormap> <title> <vmin> <vmax> <size>
2886	#
2887	# Invoked automatically whenever the "legend" command comes in from
2888	# the rendering server. Indicates that binary image data with the
2889	# specified <size> will follow.
2890	# ----------------------------------------------------------------------
2891	itcl::body Rappture::VtkViewer::ReceiveLegend { colormap title vmin vmax size } {
2892	set _limits(vmin) $vmin
2893	set _limits(vmax) $vmax
2894	set _title $title
2895	if { [IsConnected] } {
2896	set bytes [ReceiveBytes $size]
2897	if { ![info exists _image(legend)] } {
2898	set _image(legend) [image create photo]
2899	}
2900	$_image(legend) configure -data $bytes
2901	DrawLegend
2902	}
2903	}
2904
2905	#
2906	# DrawLegend --
2907	#
2908	# Draws the legend in it's own canvas which resides to the right
2909	# of the contour plot area.
2910	#
2911	itcl::body Rappture::VtkViewer::DrawLegend {} {
2912	set c $itk_component(view)
2913	set w [winfo width $c]
2914	set h [winfo height $c]
2915	set font "Arial 8"
2916	set lineht [font metrics $font -linespace]
2917
2918	if { $_settings(legend) } {
2919	set x [expr $w - 2]
2920	if { [$c find withtag "legend"] == "" } {
2921	$c create image $x [expr {$lineht+2}] \
2922	-anchor ne \
2923	-image $_image(legend) -tags "colormap legend"
2924	$c create text $x 2 \
2925	-anchor ne \
2926	-fill $itk_option(-plotforeground) -tags "vmax legend" \
2927	-font $font
2928	$c create text $x [expr {$h-2}] \
2929	-anchor se \
2930	-fill $itk_option(-plotforeground) -tags "vmin legend" \
2931	-font $font
2932	#$c bind colormap <Enter> [itcl::code $this EnterLegend %x %y]
2933	$c bind colormap <Leave> [itcl::code $this LeaveLegend]
2934	$c bind colormap <Motion> [itcl::code $this MotionLegend %x %y]
2935	}
2936	# Reset the item coordinates according the current size of the plot.
2937	$c coords colormap $x [expr {$lineht+2}]
2938	if { $_limits(vmin) != "" } {
2939	$c itemconfigure vmin -text [format %g $_limits(vmin)]
2940	}
2941	if { $_limits(vmax) != "" } {
2942	$c itemconfigure vmax -text [format %g $_limits(vmax)]
2943	}
2944	$c coords vmin $x [expr {$h-2}]
2945	$c coords vmax $x 2
2946	}
2947	}
2948
2949	#
2950	# EnterLegend --
2951	#
2952	itcl::body Rappture::VtkViewer::EnterLegend { x y } {
2953	SetLegendTip $x $y
2954	}
2955
2956	#
2957	# MotionLegend --
2958	#
2959	itcl::body Rappture::VtkViewer::MotionLegend { x y } {
2960	Rappture::Tooltip::tooltip cancel
2961	set c $itk_component(view)
2962	SetLegendTip $x $y
2963	}
2964
2965	#
2966	# LeaveLegend --
2967	#
2968	itcl::body Rappture::VtkViewer::LeaveLegend { } {
2969	Rappture::Tooltip::tooltip cancel
2970	.rappturetooltip configure -icon ""
2971	}
2972
2973	#
2974	# SetLegendTip --
2975	#
2976	itcl::body Rappture::VtkViewer::SetLegendTip { x y } {
2977	set c $itk_component(view)
2978	set w [winfo width $c]
2979	set h [winfo height $c]
2980	set font "Arial 8"
2981	set lineht [font metrics $font -linespace]
2982
2983	set imgHeight [image height $_image(legend)]
2984	set coords [$c coords colormap]
2985	set imgX [expr $w - [image width $_image(legend)] - 2]
2986	set imgY [expr $y - $lineht - 2]
2987
2988	# Make a swatch of the selected color
2989	if { [catch { $_image(legend) get 10 $imgY } pixel] != 0 } {
2990	return
2991	}
2992	if { ![info exists _image(swatch)] } {
2993	set _image(swatch) [image create photo -width 24 -height 24]
2994	}
2995	set color [eval format "\#%02x%02x%02x" $pixel]
2996	$_image(swatch) put black -to 0 0 23 23
2997	$_image(swatch) put $color -to 1 1 22 22
2998	.rappturetooltip configure -icon $_image(swatch)
2999
3000	# Compute the value of the point
3001	set t [expr 1.0 - (double($imgY) / double($imgHeight-1))]
3002	set value [expr $t * ($_limits(vmax) - $_limits(vmin)) + $_limits(vmin)]
3003	set tipx [expr $x + 15]
3004	set tipy [expr $y - 5]
3005	Rappture::Tooltip::text $c "$_title $value"
3006	Rappture::Tooltip::tooltip show $c +$tipx,+$tipy
3007	}
3008
3009	# ----------------------------------------------------------------------
3010	# USAGE: Slice move x\|y\|z <newval>
3011	#
3012	# Called automatically when the user drags the slider to move the
3013	# cut plane that slices 3D data. Gets the current value from the
3014	# slider and moves the cut plane to the appropriate point in the
3015	# data set.
3016	# ----------------------------------------------------------------------
3017	itcl::body Rappture::VtkViewer::Slice {option args} {
3018	switch -- $option {
3019	"move" {
3020	set axis [lindex $args 0]
3021	set newval [lindex $args 1]
3022	if {[llength $args] != 2} {
3023	error "wrong # args: should be \"Slice move x\|y\|z newval\""
3024	}
3025	set newpos [expr {0.01*$newval}]
3026	SendCmd "renderer clipplane $axis $newpos -1"
3027	}
3028	"tooltip" {
3029	set axis [lindex $args 0]
3030	set val [$itk_component(${axis}CutScale) get]
3031	return "Move the [string toupper $axis] cut plane.\nCurrently: $axis = $val%"
3032	}
3033	default {
3034	error "bad option \"$option\": should be axis, move, or tooltip"
3035	}
3036	}
3037	}
3038
3039	itcl::body Rappture::VtkViewer::SetOrientation { side } {
3040	array set positions {
3041	front "1 0 0 0"
3042	back "0 0 1 0"
3043	left "0.707107 0 -0.707107 0"
3044	right "0.707107 0 0.707107 0"
3045	top "0.707107 -0.707107 0 0"
3046	bottom "0.707107 0.707107 0 0"
3047	}
3048	foreach name { -qw -qx -qy -qz } value $positions($side) {
3049	set _view($name) $value
3050	}
3051	set q [ViewToQuaternion]
3052	$_arcball quaternion $q
3053	SendCmd "camera orient $q"
3054	SendCmd "camera reset"
3055	set _view(-xpan) 0
3056	set _view(-ypan) 0
3057	set _view(-zoom) 1.0
3058	}
3059
3060	itcl::body Rappture::VtkViewer::SetOpacity { dataset } {
3061	foreach {dataobj comp} [split $dataset -] break
3062	set type [$dataobj type $comp]
3063	set val $_settings($type-opacity)
3064	set sval [expr { 0.01 * double($val) }]
3065	if { !$_obj2ovride($dataobj-raise) } {
3066	# This is wrong. Need to figure out why raise isn't set with 1
3067	#set sval [expr $sval * .6]
3068	}
3069	SendCmd "$type opacity $sval $dataset"
3070	}

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