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source: branches/1.3/gui/scripts/vtkviewer.tcl @ 4768

Last change on this file since 4768 was 4768, checked in by ldelgass, 9 years ago
merge r4767 from trunk
File size: 110.1 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 _obj2datasets
129	private variable _obj2ovride; # maps dataobj => style override
130	private variable _datasets; # contains all the dataobj-component
131	# datasets in the server
132	private variable _colormaps; # contains all the colormaps
133	# in the server.
134	private variable _dataset2style; # maps dataobj-component to transfunc
135	private variable _style2datasets; # maps tf back to list of
136	# dataobj-components using the tf.
137	private variable _click; # info used for rotate operations
138	private variable _limits; # autoscale min/max for all axes
139	private variable _view; # view params for 3D view
140	private variable _settings
141	private variable _style; # Array of current component styles.
142	private variable _initialStyle; # Array of initial component styles.
143	private variable _axis
144	private variable _reset 1; # Indicates that server was reset and
145	# needs to be reinitialized.
146	private variable _haveGlyphs 0
147	private variable _haveMolecules 0
148	private variable _havePolydata 0
149
150	private variable _first "" ;# This is the topmost dataset.
151	private variable _start 0
152	private variable _title ""
153
154	common _downloadPopup ;# download options from popup
155	private common _hardcopy
156	private variable _width 0
157	private variable _height 0
158	private variable _resizePending 0
159	private variable _rotatePending 0
160	private variable _atomScalePending 0
161	private variable _bondScalePending 0
162	private variable _moleculeOpacityPending 0
163	private variable _moleculeQualityPending 0
164	private variable _polydataOpacityPending 0
165	private variable _glyphsOpacityPending 0
166	private variable _rotateDelay 150
167	private variable _scaleDelay 100
168	}
169
170	itk::usual VtkViewer {
171	keep -background -foreground -cursor -font
172	keep -plotbackground -plotforeground
173	}
174
175	# ----------------------------------------------------------------------
176	# CONSTRUCTOR
177	# ----------------------------------------------------------------------
178	itcl::body Rappture::VtkViewer::constructor {hostlist args} {
179	package require vtk
180	set _serverType "vtkvis"
181
182	# Rebuild event
183	$_dispatcher register !rebuild
184	$_dispatcher dispatch $this !rebuild "[itcl::code $this Rebuild]; list"
185
186	# Resize event
187	$_dispatcher register !resize
188	$_dispatcher dispatch $this !resize "[itcl::code $this DoResize]; list"
189
190	# Rotate event
191	$_dispatcher register !rotate
192	$_dispatcher dispatch $this !rotate "[itcl::code $this DoRotate]; list"
193
194	# Atom scale event
195	$_dispatcher register !atomscale
196	$_dispatcher dispatch $this !atomscale \
197	"[itcl::code $this SetAtomScale]; list"
198
199	# Bond scale event
200	$_dispatcher register !bondscale
201	$_dispatcher dispatch $this !bondscale \
202	"[itcl::code $this SetBondScale]; list"
203
204	# Molecule opacity event
205	$_dispatcher register !moleculeOpacity
206	$_dispatcher dispatch $this !moleculeOpacity \
207	"[itcl::code $this SetMoleculeOpacity]; list"
208
209	# Molecule quality event
210	$_dispatcher register !moleculeQuality
211	$_dispatcher dispatch $this !moleculeQuality \
212	"[itcl::code $this SetMoleculeQuality]; list"
213
214	# Polydata opacity event
215	$_dispatcher register !polydataOpacity
216	$_dispatcher dispatch $this !polydataOpacity \
217	"[itcl::code $this SetPolydataOpacity]; list"
218
219	# Glyphs opacity event
220	$_dispatcher register !glyphsOpacity
221	$_dispatcher dispatch $this !glyphsOpacity \
222	"[itcl::code $this SetGlyphsOpacity]; list"
223
224	#
225	# Populate parser with commands handle incoming requests
226	#
227	$_parser alias image [itcl::code $this ReceiveImage]
228	$_parser alias dataset [itcl::code $this ReceiveDataset]
229	$_parser alias legend [itcl::code $this ReceiveLegend]
230
231	# Initialize the view to some default parameters.
232	array set _view {
233	-ortho 0
234	-qw 0.853553
235	-qx -0.353553
236	-qy 0.353553
237	-qz 0.146447
238	-xpan 0
239	-ypan 0
240	-zoom 1.0
241	}
242	set _arcball [blt::arcball create 100 100]
243	$_arcball quaternion [ViewToQuaternion]
244
245	set _limits(zmin) 0.0
246	set _limits(zmax) 1.0
247
248	array set _axis [subst {
249	xgrid 0
250	ygrid 0
251	zgrid 0
252	xcutaway 0
253	ycutaway 0
254	zcutaway 0
255	xposition 0
256	yposition 0
257	zposition 0
258	xdirection -1
259	ydirection -1
260	zdirection -1
261	visible 1
262	labels 1
263	minorticks 1
264	}]
265	array set _settings [subst {
266	legend 1
267	glyphs-edges 0
268	glyphs-lighting 1
269	glyphs-opacity 100
270	glyphs-outline 0
271	glyphs-palette BCGYR
272	glyphs-visible 1
273	glyphs-wireframe 0
274	polydata-edges 0
275	polydata-lighting 1
276	polydata-opacity 100
277	polydata-outline 0
278	polydata-palette BCGYR
279	polydata-visible 1
280	polydata-wireframe 0
281	molecule-atomscale 0.3
282	molecule-bondscale 0.075
283	molecule-bondstyle "cylinder"
284	molecule-atoms-visible 1
285	molecule-bonds-visible 1
286	molecule-edges 0
287	molecule-labels 0
288	molecule-lighting 1
289	molecule-opacity 100
290	molecule-outline 0
291	molecule-palette elementDefault
292	molecule-quality 1.0
293	molecule-representation "Ball and Stick"
294	molecule-rscale "covalent"
295	molecule-visible 1
296	molecule-wireframe 0
297	}]
298	itk_component add view {
299	canvas $itk_component(plotarea).view \
300	-highlightthickness 0 -borderwidth 0
301	} {
302	usual
303	ignore -highlightthickness -borderwidth -background
304	}
305
306	set c $itk_component(view)
307	bind $c <Configure> [itcl::code $this EventuallyResize %w %h]
308	bind $c <4> [itcl::code $this Zoom in 0.25]
309	bind $c <5> [itcl::code $this Zoom out 0.25]
310	bind $c <KeyPress-Left> [list %W xview scroll 10 units]
311	bind $c <KeyPress-Right> [list %W xview scroll -10 units]
312	bind $c <KeyPress-Up> [list %W yview scroll 10 units]
313	bind $c <KeyPress-Down> [list %W yview scroll -10 units]
314	bind $c <Enter> "focus %W"
315	bind $c <Control-F1> [itcl::code $this ToggleConsole]
316
317	# Fix the scrollregion in case we go off screen
318	$c configure -scrollregion [$c bbox all]
319
320	set _map(id) [$c create image 0 0 -anchor nw -image $_image(plot)]
321	set _map(cwidth) -1
322	set _map(cheight) -1
323	set _map(zoom) 1.0
324	set _map(original) ""
325
326	set f [$itk_component(main) component controls]
327	itk_component add reset {
328	button $f.reset -borderwidth 1 -padx 1 -pady 1 \
329	-highlightthickness 0 \
330	-image [Rappture::icon reset-view] \
331	-command [itcl::code $this Zoom reset]
332	} {
333	usual
334	ignore -highlightthickness
335	}
336	pack $itk_component(reset) -side top -padx 2 -pady 2
337	Rappture::Tooltip::for $itk_component(reset) \
338	"Reset the view to the default zoom level"
339
340	itk_component add zoomin {
341	button $f.zin -borderwidth 1 -padx 1 -pady 1 \
342	-highlightthickness 0 \
343	-image [Rappture::icon zoom-in] \
344	-command [itcl::code $this Zoom in]
345	} {
346	usual
347	ignore -highlightthickness
348	}
349	pack $itk_component(zoomin) -side top -padx 2 -pady 2
350	Rappture::Tooltip::for $itk_component(zoomin) "Zoom in"
351
352	itk_component add zoomout {
353	button $f.zout -borderwidth 1 -padx 1 -pady 1 \
354	-highlightthickness 0 \
355	-image [Rappture::icon zoom-out] \
356	-command [itcl::code $this Zoom out]
357	} {
358	usual
359	ignore -highlightthickness
360	}
361	pack $itk_component(zoomout) -side top -padx 2 -pady 2
362	Rappture::Tooltip::for $itk_component(zoomout) "Zoom out"
363
364	if { [catch {
365	BuildAxisTab
366	#BuildCutawayTab
367	BuildCameraTab
368	} errs] != 0 } {
369	puts stderr errs=$errs
370	}
371
372	# Legend
373	set _image(legend) [image create photo]
374	itk_component add legend {
375	canvas $itk_component(plotarea).legend -width 50 -highlightthickness 0
376	} {
377	usual
378	ignore -highlightthickness
379	rename -background -plotbackground plotBackground Background
380	}
381
382	# Hack around the Tk panewindow. The problem is that the requested
383	# size of the 3d view isn't set until an image is retrieved from
384	# the server. So the panewindow uses the tiny size.
385	set w 10000
386	pack forget $itk_component(view)
387	blt::table $itk_component(plotarea) \
388	0,0 $itk_component(view) -fill both -reqwidth $w
389	blt::table configure $itk_component(plotarea) c1 -resize none
390
391	# Bindings for rotation via mouse
392	bind $itk_component(view) <ButtonPress-1> \
393	[itcl::code $this Rotate click %x %y]
394	bind $itk_component(view) <B1-Motion> \
395	[itcl::code $this Rotate drag %x %y]
396	bind $itk_component(view) <ButtonRelease-1> \
397	[itcl::code $this Rotate release %x %y]
398
399	# Bindings for panning via mouse
400	bind $itk_component(view) <ButtonPress-2> \
401	[itcl::code $this Pan click %x %y]
402	bind $itk_component(view) <B2-Motion> \
403	[itcl::code $this Pan drag %x %y]
404	bind $itk_component(view) <ButtonRelease-2> \
405	[itcl::code $this Pan release %x %y]
406
407	#bind $itk_component(view) <ButtonRelease-3> \
408	# [itcl::code $this Pick %x %y]
409
410	# Bindings for panning via keyboard
411	bind $itk_component(view) <KeyPress-Left> \
412	[itcl::code $this Pan set -10 0]
413	bind $itk_component(view) <KeyPress-Right> \
414	[itcl::code $this Pan set 10 0]
415	bind $itk_component(view) <KeyPress-Up> \
416	[itcl::code $this Pan set 0 -10]
417	bind $itk_component(view) <KeyPress-Down> \
418	[itcl::code $this Pan set 0 10]
419	bind $itk_component(view) <Shift-KeyPress-Left> \
420	[itcl::code $this Pan set -2 0]
421	bind $itk_component(view) <Shift-KeyPress-Right> \
422	[itcl::code $this Pan set 2 0]
423	bind $itk_component(view) <Shift-KeyPress-Up> \
424	[itcl::code $this Pan set 0 -2]
425	bind $itk_component(view) <Shift-KeyPress-Down> \
426	[itcl::code $this Pan set 0 2]
427
428	# Bindings for zoom via keyboard
429	bind $itk_component(view) <KeyPress-Prior> \
430	[itcl::code $this Zoom out]
431	bind $itk_component(view) <KeyPress-Next> \
432	[itcl::code $this Zoom in]
433
434	bind $itk_component(view) <Enter> "focus $itk_component(view)"
435
436	if {[string equal "x11" [tk windowingsystem]]} {
437	# Bindings for zoom via mouse
438	bind $itk_component(view) <4> [itcl::code $this Zoom out]
439	bind $itk_component(view) <5> [itcl::code $this Zoom in]
440	}
441
442	set _image(download) [image create photo]
443
444	eval itk_initialize $args
445	Connect
446	}
447
448	# ----------------------------------------------------------------------
449	# DESTRUCTOR
450	# ----------------------------------------------------------------------
451	itcl::body Rappture::VtkViewer::destructor {} {
452	Disconnect
453	$_dispatcher cancel !rebuild
454	$_dispatcher cancel !resize
455	$_dispatcher cancel !rotate
456	image delete $_image(plot)
457	image delete $_image(download)
458	catch { blt::arcball destroy $_arcball }
459	}
460
461	itcl::body Rappture::VtkViewer::DoResize {} {
462	if { $_width < 2 } {
463	set _width 500
464	}
465	if { $_height < 2 } {
466	set _height 500
467	}
468	set _start [clock clicks -milliseconds]
469	SendCmd "screen size $_width $_height"
470
471	set _resizePending 0
472	}
473
474	itcl::body Rappture::VtkViewer::DoRotate {} {
475	SendCmd "camera orient [ViewToQuaternion]"
476	set _rotatePending 0
477	}
478
479	itcl::body Rappture::VtkViewer::EventuallyResize { w h } {
480	set _width $w
481	set _height $h
482	$_arcball resize $w $h
483	if { !$_resizePending } {
484	set _resizePending 1
485	$_dispatcher event -after 200 !resize
486	}
487	}
488
489	itcl::body Rappture::VtkViewer::EventuallyRotate { q } {
490	QuaternionToView $q
491	if { !$_rotatePending } {
492	set _rotatePending 1
493	$_dispatcher event -after $_rotateDelay !rotate
494	}
495	}
496
497	itcl::body Rappture::VtkViewer::SetAtomScale {} {
498	SendCmd "molecule ascale $_settings(molecule-atomscale)"
499	set _atomScalePending 0
500	}
501
502	itcl::body Rappture::VtkViewer::SetBondScale {} {
503	SendCmd "molecule bscale $_settings(molecule-bondscale)"
504	set _bondScalePending 0
505	}
506
507	itcl::body Rappture::VtkViewer::SetMoleculeOpacity {} {
508	set _moleculeOpacityPending 0
509	foreach dataset [CurrentDatasets -visible $_first] {
510	foreach { dataobj comp } [split $dataset -] break
511	if { [$dataobj type $comp] == "molecule" } {
512	SetOpacity $dataset
513	}
514	}
515	}
516
517	itcl::body Rappture::VtkViewer::SetMoleculeQuality {} {
518	SendCmd [subst {molecule aquality $_settings(molecule-quality)
519	molecule bquality $_settings(molecule-quality)}]
520	set _moleculeQualityPending 0
521	}
522
523	itcl::body Rappture::VtkViewer::SetGlyphsOpacity {} {
524	set _glyphsOpacityPending 0
525	foreach dataset [CurrentDatasets -visible $_first] {
526	foreach { dataobj comp } [split $dataset -] break
527	if { [$dataobj type $comp] == "glyphs" } {
528	SetOpacity $dataset
529	}
530	}
531	}
532
533	itcl::body Rappture::VtkViewer::SetPolydataOpacity {} {
534	set _polydataOpacityPending 0
535	foreach dataset [CurrentDatasets -visible $_first] {
536	foreach { dataobj comp } [split $dataset -] break
537	if { [$dataobj type $comp] == "polydata" } {
538	SetOpacity $dataset
539	}
540	}
541	}
542
543	itcl::body Rappture::VtkViewer::EventuallySetAtomScale { args } {
544	if { !$_atomScalePending } {
545	set _atomScalePending 1
546	$_dispatcher event -after $_scaleDelay !atomscale
547	}
548	}
549
550	itcl::body Rappture::VtkViewer::EventuallySetBondScale { args } {
551	if { !$_bondScalePending } {
552	set _bondScalePending 1
553	$_dispatcher event -after $_scaleDelay !bondscale
554	}
555	}
556
557	itcl::body Rappture::VtkViewer::EventuallySetMoleculeOpacity { args } {
558	if { !$_moleculeOpacityPending } {
559	set _moleculeOpacityPending 1
560	$_dispatcher event -after $_scaleDelay !moleculeOpacity
561	}
562	}
563
564	itcl::body Rappture::VtkViewer::EventuallySetMoleculeQuality { args } {
565	if { !$_moleculeQualityPending } {
566	set _moleculeQualityPending 1
567	$_dispatcher event -after $_scaleDelay !moleculeQuality
568	}
569	}
570
571	itcl::body Rappture::VtkViewer::EventuallySetPolydataOpacity { args } {
572	if { !$_polydataOpacityPending } {
573	set _polydataOpacityPending 1
574	$_dispatcher event -after $_scaleDelay !polydataOpacity
575	}
576	}
577
578	itcl::body Rappture::VtkViewer::EventuallySetGlyphsOpacity { args } {
579	if { !$_glyphsOpacityPending } {
580	set _glyphsOpacityPending 1
581	$_dispatcher event -after $_scaleDelay !glyphsOpacity
582	}
583	}
584
585	# ----------------------------------------------------------------------
586	# USAGE: add <dataobj> ?<settings>?
587	#
588	# Clients use this to add a data object to the plot. The optional
589	# <settings> are used to configure the plot. Allowed settings are
590	# -color, -brightness, -width, -linestyle, and -raise.
591	# ----------------------------------------------------------------------
592	itcl::body Rappture::VtkViewer::add {dataobj {settings ""}} {
593	array set params {
594	-color auto
595	-width 1
596	-linestyle solid
597	-brightness 0
598	-raise 0
599	-description ""
600	-param ""
601	-type ""
602	}
603	array set params $settings
604	set params(-description) ""
605	set params(-param) ""
606	array set params $settings
607
608	if {$params(-color) == "auto" \|\| $params(-color) == "autoreset"} {
609	# can't handle -autocolors yet
610	set params(-color) black
611	}
612	set pos [lsearch -exact $_dlist $dataobj]
613	if {$pos < 0} {
614	lappend _dlist $dataobj
615	}
616	set _obj2ovride($dataobj-color) $params(-color)
617	set _obj2ovride($dataobj-width) $params(-width)
618	set _obj2ovride($dataobj-raise) $params(-raise)
619	$_dispatcher event -idle !rebuild
620	}
621
622	# ----------------------------------------------------------------------
623	# USAGE: delete ?<dataobj1> <dataobj2> ...?
624	#
625	# Clients use this to delete a dataobj from the plot. If no dataobjs
626	# are specified, then all dataobjs are deleted. No data objects are
627	# deleted. They are only removed from the display list.
628	#
629	# ----------------------------------------------------------------------
630	itcl::body Rappture::VtkViewer::delete {args} {
631	if { [llength $args] == 0} {
632	set args $_dlist
633	}
634	# Delete all specified dataobjs
635	set changed 0
636	foreach dataobj $args {
637	set pos [lsearch -exact $_dlist $dataobj]
638	if { $pos < 0 } {
639	continue; # Don't know anything about it.
640	}
641	# Remove it from the dataobj list.
642	set _dlist [lreplace $_dlist $pos $pos]
643	array unset _obj2ovride $dataobj-*
644	array unset _settings $dataobj-*
645	set changed 1
646	}
647	# If anything changed, then rebuild the plot
648	if { $changed } {
649	$_dispatcher event -idle !rebuild
650	}
651	}
652
653	# ----------------------------------------------------------------------
654	# USAGE: get ?-objects?
655	# USAGE: get ?-visible?
656	# USAGE: get ?-image view?
657	#
658	# Clients use this to query the list of objects being plotted, in
659	# order from bottom to top of this result. The optional "-image"
660	# flag can also request the internal images being shown.
661	# ----------------------------------------------------------------------
662	itcl::body Rappture::VtkViewer::get {args} {
663	if {[llength $args] == 0} {
664	set args "-objects"
665	}
666
667	set op [lindex $args 0]
668	switch -- $op {
669	"-objects" {
670	# put the dataobj list in order according to -raise options
671	set dlist {}
672	foreach dataobj $_dlist {
673	if { ![IsValidObject $dataobj] } {
674	continue
675	}
676	if {[info exists _obj2ovride($dataobj-raise)] &&
677	$_obj2ovride($dataobj-raise)} {
678	set dlist [linsert $dlist 0 $dataobj]
679	} else {
680	lappend dlist $dataobj
681	}
682	}
683	return $dlist
684	}
685	"-visible" {
686	set dlist {}
687	foreach dataobj $_dlist {
688	if { ![IsValidObject $dataobj] } {
689	continue
690	}
691	if { ![info exists _obj2ovride($dataobj-raise)] } {
692	# No setting indicates that the object isn't visible.
693	continue
694	}
695	# Otherwise use the -raise parameter to put the object to
696	# the front of the list.
697	if { $_obj2ovride($dataobj-raise) } {
698	set dlist [linsert $dlist 0 $dataobj]
699	} else {
700	lappend dlist $dataobj
701	}
702	}
703	return $dlist
704	}
705	-image {
706	if {[llength $args] != 2} {
707	error "wrong # args: should be \"get -image view\""
708	}
709	switch -- [lindex $args end] {
710	view {
711	return $_image(plot)
712	}
713	default {
714	error "bad image name \"[lindex $args end]\": should be view"
715	}
716	}
717	}
718	default {
719	error "bad option \"$op\": should be -objects or -image"
720	}
721	}
722	}
723
724	# ----------------------------------------------------------------------
725	# USAGE: scale ?<data1> <data2> ...?
726	#
727	# Sets the default limits for the overall plot according to the
728	# limits of the data for all of the given <data> objects. This
729	# accounts for all objects--even those not showing on the screen.
730	# Because of this, the limits are appropriate for all objects as
731	# the user scans through data in the ResultSet viewer.
732	# ----------------------------------------------------------------------
733	itcl::body Rappture::VtkViewer::scale {args} {
734	foreach dataobj $args {
735	foreach comp [$dataobj components] {
736	set type [$dataobj type $comp]
737	switch -- $type {
738	"polydata" {
739	set _havePolydata 1
740	}
741	"glyphs" {
742	set _haveGlyphs 1
743	}
744	"molecule" {
745	set _haveMolecules 1
746	}
747	}
748	}
749	array set bounds [limits $dataobj]
750	if {[info exists bounds(xmin)] && (![info exists _limits(xmin)] \|\| $_limits(xmin) > $bounds(xmin))} {
751	set _limits(xmin) $bounds(xmin)
752	}
753	if {[info exists bounds(xmax)] && (![info exists _limits(xmax)] \|\| $_limits(xmax) < $bounds(xmax))} {
754	set _limits(xmax) $bounds(xmax)
755	}
756
757	if {[info exists bounds(ymin)] && (![info exists _limits(ymin)] \|\| $_limits(ymin) > $bounds(ymin))} {
758	set _limits(ymin) $bounds(ymin)
759	}
760	if {[info exists bounds(ymax)] && (![info exists _limits(ymax)] \|\| $_limits(ymax) < $bounds(ymax))} {
761	set _limits(ymax) $bounds(ymax)
762	}
763
764	if {[info exists bounds(zmin)] && (![info exists _limits(zmin)] \|\| $_limits(zmin) > $bounds(zmin))} {
765	set _limits(zmin) $bounds(zmin)
766	}
767	if {[info exists bounds(zmax)] && (![info exists _limits(zmax)] \|\| $_limits(zmax) < $bounds(zmax))} {
768	set _limits(zmax) $bounds(zmax)
769	}
770	}
771	if { $_haveGlyphs } {
772	if { ![$itk_component(main) exists "Glyphs Settings"] } {
773	if { [catch { BuildGlyphsTab } errs ] != 0 } {
774	puts stderr "errs=$errs"
775	}
776	}
777	}
778	if { $_havePolydata } {
779	if { ![$itk_component(main) exists "Mesh Settings"] } {
780	if { [catch { BuildPolydataTab } errs ] != 0 } {
781	puts stderr "errs=$errs"
782	}
783	}
784	}
785	if { $_haveMolecules } {
786	if { ![$itk_component(main) exists "Molecule Settings"]} {
787	if { [catch { BuildMoleculeTab } errs ] != 0 } {
788	global errorInfo
789	puts stderr "errs=$errs\nerrorInfo=$errorInfo"
790	}
791	}
792	}
793	}
794
795	# ----------------------------------------------------------------------
796	# USAGE: download coming
797	# USAGE: download controls <downloadCommand>
798	# USAGE: download now
799	#
800	# Clients use this method to create a downloadable representation
801	# of the plot. Returns a list of the form {ext string}, where
802	# "ext" is the file extension (indicating the type of data) and
803	# "string" is the data itself.
804	# ----------------------------------------------------------------------
805	itcl::body Rappture::VtkViewer::download {option args} {
806	switch $option {
807	coming {
808	if {[catch {
809	blt::winop snap $itk_component(plotarea) $_image(download)
810	}]} {
811	$_image(download) configure -width 1 -height 1
812	$_image(download) put #000000
813	}
814	}
815	controls {
816	set popup .vtkviewerdownload
817	if { ![winfo exists .vtkviewerdownload] } {
818	set inner [BuildDownloadPopup $popup [lindex $args 0]]
819	} else {
820	set inner [$popup component inner]
821	}
822	set _downloadPopup(image_controls) $inner.image_frame
823	set num [llength [get]]
824	set num [expr {($num == 1) ? "1 result" : "$num results"}]
825	set word [Rappture::filexfer::label downloadWord]
826	$inner.summary configure -text "$word $num in the following format:"
827	update idletasks ;# Fix initial sizes
828	return $popup
829	}
830	now {
831	set popup .vtkviewerdownload
832	if {[winfo exists .vtkviewerdownload]} {
833	$popup deactivate
834	}
835	switch -- $_downloadPopup(format) {
836	"image" {
837	return [$this GetImage [lindex $args 0]]
838	}
839	"vtk" {
840	return [$this GetVtkData [lindex $args 0]]
841	}
842	}
843	return ""
844	}
845	default {
846	error "bad option \"$option\": should be coming, controls, now"
847	}
848	}
849	}
850
851	# ----------------------------------------------------------------------
852	# USAGE: Connect ?<host:port>,<host:port>...?
853	#
854	# Clients use this method to establish a connection to a new
855	# server, or to reestablish a connection to the previous server.
856	# Any existing connection is automatically closed.
857	# ----------------------------------------------------------------------
858	itcl::body Rappture::VtkViewer::Connect {} {
859	global readyForNextFrame
860	set readyForNextFrame 1
861	set _hosts [GetServerList "vtkvis"]
862	if { "" == $_hosts } {
863	return 0
864	}
865	set result [VisViewer::Connect $_hosts]
866	if { $result } {
867	if { $_reportClientInfo } {
868	# Tell the server the viewer, hub, user and session.
869	# Do this immediately on connect before buffering any commands
870	global env
871
872	set info {}
873	set user "???"
874	if { [info exists env(USER)] } {
875	set user $env(USER)
876	}
877	set session "???"
878	if { [info exists env(SESSION)] } {
879	set session $env(SESSION)
880	}
881	lappend info "version" "$Rappture::version"
882	lappend info "build" "$Rappture::build"
883	lappend info "svnurl" "$Rappture::svnurl"
884	lappend info "installdir" "$Rappture::installdir"
885	lappend info "hub" [exec hostname]
886	lappend info "client" "vtkviewer"
887	lappend info "user" $user
888	lappend info "session" $session
889	SendCmd "clientinfo [list $info]"
890	}
891
892	set w [winfo width $itk_component(view)]
893	set h [winfo height $itk_component(view)]
894	EventuallyResize $w $h
895	}
896	return $result
897	}
898
899	#
900	# isconnected --
901	#
902	# Indicates if we are currently connected to the visualization server.
903	#
904	itcl::body Rappture::VtkViewer::isconnected {} {
905	return [VisViewer::IsConnected]
906	}
907
908	#
909	# disconnect --
910	#
911	itcl::body Rappture::VtkViewer::disconnect {} {
912	Disconnect
913	set _reset 1
914	}
915
916	#
917	# Disconnect --
918	#
919	# Clients use this method to disconnect from the current rendering
920	# server.
921	#
922	itcl::body Rappture::VtkViewer::Disconnect {} {
923	VisViewer::Disconnect
924
925	# disconnected -- no more data sitting on server
926	set _outbuf ""
927	array unset _datasets
928	array unset _data
929	array unset _colormaps
930	global readyForNextFrame
931	set readyForNextFrame 1
932	}
933
934	# ----------------------------------------------------------------------
935	# USAGE: ReceiveImage -bytes <size> -type <type> -token <token>
936	#
937	# Invoked automatically whenever the "image" command comes in from
938	# the rendering server. Indicates that binary image data with the
939	# specified <size> will follow.
940	# ----------------------------------------------------------------------
941	itcl::body Rappture::VtkViewer::ReceiveImage { args } {
942	global readyForNextFrame
943	set readyForNextFrame 1
944	array set info {
945	-token "???"
946	-bytes 0
947	-type image
948	}
949	array set info $args
950	set bytes [ReceiveBytes $info(-bytes)]
951	if { $info(-type) == "image" } {
952	if 0 {
953	set f [open "last.ppm" "w"]
954	fconfigure $f -encoding binary
955	puts -nonewline $f $bytes
956	close $f
957	}
958	$_image(plot) configure -data $bytes
959	set time [clock seconds]
960	set date [clock format $time]
961	if { $_start > 0 } {
962	set finish [clock clicks -milliseconds]
963	set _start 0
964	}
965	} elseif { $info(type) == "print" } {
966	set tag $this-print-$info(-token)
967	set _hardcopy($tag) $bytes
968	}
969	}
970
971	#
972	# ReceiveDataset --
973	#
974	itcl::body Rappture::VtkViewer::ReceiveDataset { args } {
975	if { ![isconnected] } {
976	return
977	}
978	set option [lindex $args 0]
979	switch -- $option {
980	"scalar" {
981	set option [lindex $args 1]
982	switch -- $option {
983	"world" {
984	foreach { x y z value tag } [lrange $args 2 end] break
985	}
986	"pixel" {
987	foreach { x y value tag } [lrange $args 2 end] break
988	}
989	}
990	}
991	"vector" {
992	set option [lindex $args 1]
993	switch -- $option {
994	"world" {
995	foreach { x y z vx vy vz tag } [lrange $args 2 end] break
996	}
997	"pixel" {
998	foreach { x y vx vy vz tag } [lrange $args 2 end] break
999	}
1000	}
1001	}
1002	"names" {
1003	foreach { name } [lindex $args 1] {
1004	#puts stderr "Dataset: $name"
1005	}
1006	}
1007	default {
1008	error "unknown dataset option \"$option\" from server"
1009	}
1010	}
1011	}
1012
1013	# ----------------------------------------------------------------------
1014	# USAGE: Rebuild
1015	#
1016	# Called automatically whenever something changes that affects the
1017	# data in the widget. Clears any existing data and rebuilds the
1018	# widget to display new data.
1019	# ----------------------------------------------------------------------
1020	itcl::body Rappture::VtkViewer::Rebuild {} {
1021
1022	set w [winfo width $itk_component(view)]
1023	set h [winfo height $itk_component(view)]
1024	if { $w < 2 \|\| $h < 2 } {
1025	$_dispatcher event -idle !rebuild
1026	return
1027	}
1028
1029	# Turn on buffering of commands to the server. We don't want to
1030	# be preempted by a server disconnect/reconnect (which automatically
1031	# generates a new call to Rebuild).
1032	StartBufferingCommands
1033
1034	if { $_reset } {
1035	set _width $w
1036	set _height $h
1037	$_arcball resize $w $h
1038	DoResize
1039	InitSettings axis-xgrid axis-ygrid axis-zgrid axis-mode \
1040	axis-visible axis-labels axis-minorticks
1041
1042	StopBufferingCommands
1043	SendCmd "imgflush"
1044	StartBufferingCommands
1045	}
1046
1047	set _limits(zmin) ""
1048	set _limits(zmax) ""
1049	set _first ""
1050	SendCmd "dataset visible 0"
1051	set count 0
1052	foreach dataobj [get -objects] {
1053	if { [info exists _obj2ovride($dataobj-raise)] && $_first == "" } {
1054	set _first $dataobj
1055	}
1056	set _obj2datasets($dataobj) ""
1057	foreach comp [$dataobj components] {
1058	set tag $dataobj-$comp
1059	if { ![info exists _datasets($tag)] } {
1060	set bytes [$dataobj data $comp]
1061	if { $bytes == "" } {
1062	continue
1063	}
1064	if 0 {
1065	set f [open /tmp/vtkviewer.vtk "w"]
1066	fconfigure $f -translation binary -encoding binary
1067	puts -nonewline $f $bytes
1068	close $f
1069	}
1070	set length [string length $bytes]
1071	if { $_reportClientInfo } {
1072	set info {}
1073	lappend info "tool_id" [$dataobj hints toolid]
1074	lappend info "tool_name" [$dataobj hints toolname]
1075	lappend info "tool_title" [$dataobj hints tooltitle]
1076	lappend info "tool_command" [$dataobj hints toolcommand]
1077	lappend info "tool_revision" [$dataobj hints toolrevision]
1078	lappend info "dataset_label" [$dataobj hints label]
1079	lappend info "dataset_size" $length
1080	lappend info "dataset_tag" $tag
1081	SendCmd "clientinfo [list $info]"
1082	}
1083	SendCmd "dataset add $tag data follows $length"
1084	append _outbuf $bytes
1085	set _datasets($tag) 1
1086	SetObjectStyle $dataobj $comp
1087	}
1088	lappend _obj2datasets($dataobj) $tag
1089	set type [$dataobj type $comp]
1090	if { [info exists _obj2ovride($dataobj-raise)] } {
1091	SendCmd "$type visible 1 $tag"
1092	SetOpacity $tag
1093	}
1094	}
1095	}
1096	if {"" != $_first} {
1097	set location [$_first hints camera]
1098	if { $location != "" } {
1099	array set view $location
1100	}
1101
1102	foreach axis { x y z } {
1103	set label [$_first hints ${axis}label]
1104	if { $label != "" } {
1105	SendCmd [list axis name $axis $label]
1106	}
1107	set units [$_first hints ${axis}units]
1108	if { $units != "" } {
1109	SendCmd [list axis units $axis $units]
1110	}
1111	}
1112	}
1113	if { $_haveGlyphs } {
1114	InitSettings glyphs-outline
1115	}
1116	if { $_haveMolecules } {
1117	InitSettings molecule-outline
1118	}
1119	if { $_havePolydata } {
1120	InitSettings polydata-outline
1121	}
1122	if { $_reset } {
1123	if { $_haveGlyphs } {
1124	InitSettings glyphs-edges glyphs-lighting glyphs-opacity \
1125	glyphs-visible glyphs-wireframe
1126	}
1127	if { $_havePolydata } {
1128	InitSettings polydata-edges polydata-lighting polydata-opacity \
1129	polydata-visible polydata-wireframe
1130	}
1131	if { $_haveMolecules } {
1132	InitSettings molecule-edges molecule-lighting molecule-opacity \
1133	molecule-visible molecule-wireframe molecule-labels
1134	}
1135
1136	$_arcball quaternion [ViewToQuaternion]
1137	SendCmd "camera reset"
1138	if { $_view(-ortho)} {
1139	SendCmd "camera mode ortho"
1140	} else {
1141	SendCmd "camera mode persp"
1142	}
1143	DoRotate
1144	PanCamera
1145	Zoom reset
1146	}
1147
1148	if { $_haveMolecules } {
1149	#InitSettings molecule-representation
1150	}
1151	set _reset 0
1152	global readyForNextFrame
1153	set readyForNextFrame 0; # Don't advance to the next frame
1154	# until we get an image.
1155
1156	# Actually write the commands to the server socket. If it fails, we don't
1157	# care. We're finished here.
1158	blt::busy hold $itk_component(hull)
1159	StopBufferingCommands
1160	blt::busy release $itk_component(hull)
1161	}
1162
1163	# ----------------------------------------------------------------------
1164	# USAGE: CurrentDatasets ?-all -visible? ?dataobjs?
1165	#
1166	# Returns a list of server IDs for the current datasets being displayed. This
1167	# is normally a single ID, but it might be a list of IDs if the current data
1168	# object has multiple components.
1169	# ----------------------------------------------------------------------
1170	itcl::body Rappture::VtkViewer::CurrentDatasets {args} {
1171	set flag [lindex $args 0]
1172	switch -- $flag {
1173	"-all" {
1174	if { [llength $args] > 1 } {
1175	error "CurrentDatasets: can't specify dataobj after \"-all\""
1176	}
1177	set dlist [get -objects]
1178	}
1179	"-visible" {
1180	if { [llength $args] > 1 } {
1181	set dlist {}
1182	set args [lrange $args 1 end]
1183	foreach dataobj $args {
1184	if { [info exists _obj2ovride($dataobj-raise)] } {
1185	lappend dlist $dataobj
1186	}
1187	}
1188	} else {
1189	set dlist [get -visible]
1190	}
1191	}
1192	default {
1193	set dlist $args
1194	}
1195	}
1196	set rlist ""
1197	foreach dataobj $dlist {
1198	foreach comp [$dataobj components] {
1199	set tag $dataobj-$comp
1200	if { [info exists _datasets($tag)] && $_datasets($tag) } {
1201	lappend rlist $tag
1202	}
1203	}
1204	}
1205	return $rlist
1206	}
1207
1208	# ----------------------------------------------------------------------
1209	# USAGE: Zoom in
1210	# USAGE: Zoom out
1211	# USAGE: Zoom reset
1212	#
1213	# Called automatically when the user clicks on one of the zoom
1214	# controls for this widget. Changes the zoom for the current view.
1215	# ----------------------------------------------------------------------
1216	itcl::body Rappture::VtkViewer::Zoom {option} {
1217	switch -- $option {
1218	"in" {
1219	set _view(-zoom) [expr {$_view(-zoom)*1.25}]
1220	SendCmd "camera zoom $_view(-zoom)"
1221	}
1222	"out" {
1223	set _view(-zoom) [expr {$_view(-zoom)*0.8}]
1224	SendCmd "camera zoom $_view(-zoom)"
1225	}
1226	"reset" {
1227	array set _view {
1228	-qw 0.853553
1229	-qx -0.353553
1230	-qy 0.353553
1231	-qz 0.146447
1232	-xpan 0
1233	-ypan 0
1234	-zoom 1.0
1235	}
1236	if { $_first != "" } {
1237	set location [$_first hints camera]
1238	if { $location != "" } {
1239	array set _view $location
1240	}
1241	}
1242	$_arcball quaternion [ViewToQuaternion]
1243	DoRotate
1244	SendCmd "camera reset"
1245	}
1246	}
1247	}
1248
1249	itcl::body Rappture::VtkViewer::PanCamera {} {
1250	set x $_view(-xpan)
1251	set y $_view(-ypan)
1252	SendCmd "camera pan $x $y"
1253	}
1254
1255	# ----------------------------------------------------------------------
1256	# USAGE: Rotate click <x> <y>
1257	# USAGE: Rotate drag <x> <y>
1258	# USAGE: Rotate release <x> <y>
1259	#
1260	# Called automatically when the user clicks/drags/releases in the
1261	# plot area. Moves the plot according to the user's actions.
1262	# ----------------------------------------------------------------------
1263	itcl::body Rappture::VtkViewer::Rotate {option x y} {
1264	switch -- $option {
1265	"click" {
1266	$itk_component(view) configure -cursor fleur
1267	set _click(x) $x
1268	set _click(y) $y
1269	}
1270	"drag" {
1271	if {[array size _click] == 0} {
1272	Rotate click $x $y
1273	} else {
1274	set w [winfo width $itk_component(view)]
1275	set h [winfo height $itk_component(view)]
1276	if {$w <= 0 \|\| $h <= 0} {
1277	return
1278	}
1279
1280	if {[catch {
1281	# this fails sometimes for no apparent reason
1282	set dx [expr {double($x-$_click(x))/$w}]
1283	set dy [expr {double($y-$_click(y))/$h}]
1284	}]} {
1285	return
1286	}
1287	if { $dx == 0 && $dy == 0 } {
1288	return
1289	}
1290	set q [$_arcball rotate $x $y $_click(x) $_click(y)]
1291	EventuallyRotate $q
1292	set _click(x) $x
1293	set _click(y) $y
1294	}
1295	}
1296	"release" {
1297	Rotate drag $x $y
1298	$itk_component(view) configure -cursor ""
1299	catch {unset _click}
1300	}
1301	default {
1302	error "bad option \"$option\": should be click, drag, release"
1303	}
1304	}
1305	}
1306
1307	itcl::body Rappture::VtkViewer::Pick {x y} {
1308	foreach tag [CurrentDatasets -visible] {
1309	SendCmd "dataset getscalar pixel $x $y $tag"
1310	}
1311	}
1312
1313	# ----------------------------------------------------------------------
1314	# USAGE: $this Pan click x y
1315	# $this Pan drag x y
1316	# $this Pan release x y
1317	#
1318	# Called automatically when the user clicks on one of the zoom
1319	# controls for this widget. Changes the zoom for the current view.
1320	# ----------------------------------------------------------------------
1321	itcl::body Rappture::VtkViewer::Pan {option x y} {
1322	switch -- $option {
1323	"set" {
1324	set w [winfo width $itk_component(view)]
1325	set h [winfo height $itk_component(view)]
1326	set x [expr $x / double($w)]
1327	set y [expr $y / double($h)]
1328	set _view(-xpan) [expr $_view(-xpan) + $x]
1329	set _view(-ypan) [expr $_view(-ypan) + $y]
1330	PanCamera
1331	return
1332	}
1333	"click" {
1334	set _click(x) $x
1335	set _click(y) $y
1336	$itk_component(view) configure -cursor hand1
1337	}
1338	"drag" {
1339	if { ![info exists _click(x)] } {
1340	set _click(x) $x
1341	}
1342	if { ![info exists _click(y)] } {
1343	set _click(y) $y
1344	}
1345	set w [winfo width $itk_component(view)]
1346	set h [winfo height $itk_component(view)]
1347	set dx [expr ($_click(x) - $x)/double($w)]
1348	set dy [expr ($_click(y) - $y)/double($h)]
1349	set _click(x) $x
1350	set _click(y) $y
1351	set _view(-xpan) [expr $_view(-xpan) - $dx]
1352	set _view(-ypan) [expr $_view(-ypan) - $dy]
1353	PanCamera
1354	}
1355	"release" {
1356	Pan drag $x $y
1357	$itk_component(view) configure -cursor ""
1358	}
1359	default {
1360	error "unknown option \"$option\": should set, click, drag, or release"
1361	}
1362	}
1363	}
1364
1365	# ----------------------------------------------------------------------
1366	# USAGE: InitSettings <what> ?<value>?
1367	#
1368	# Used internally to update rendering settings whenever parameters
1369	# change in the popup settings panel. Sends the new settings off
1370	# to the back end.
1371	# ----------------------------------------------------------------------
1372	itcl::body Rappture::VtkViewer::InitSettings { args } {
1373	foreach setting $args {
1374	AdjustSetting $setting
1375	}
1376	}
1377
1378	#
1379	# AdjustSetting --
1380	#
1381	# Changes/updates a specific setting in the widget. There are
1382	# usually user-setable option. Commands are sent to the render
1383	# server.
1384	#
1385	itcl::body Rappture::VtkViewer::AdjustSetting {what {value ""}} {
1386	if { ![isconnected] } {
1387	return
1388	}
1389	switch -- $what {
1390	"glyphs-opacity" {
1391	foreach dataset [CurrentDatasets -visible $_first] {
1392	foreach { dataobj comp } [split $dataset -] break
1393	if { [$dataobj type $comp] == "glyphs" } {
1394	SetOpacity $dataset
1395	}
1396	}
1397	}
1398	"glyphs-outline" {
1399	set bool $_settings($what)
1400	foreach dataset [CurrentDatasets -visible $_first] {
1401	foreach { dataobj comp } [split $dataset -] break
1402	set type [$dataobj type $comp]
1403	if { $type == "glyphs" } {
1404	SendCmd "outline visible $bool $dataset"
1405	}
1406	}
1407	}
1408	"glyphs-wireframe" {
1409	set bool $_settings($what)
1410	foreach dataset [CurrentDatasets -visible $_first] {
1411	foreach { dataobj comp } [split $dataset -] break
1412	set type [$dataobj type $comp]
1413	if { $type == "glyphs" } {
1414	SendCmd "$type wireframe $bool $dataset"
1415	}
1416	}
1417	}
1418	"glyphs-visible" {
1419	set bool $_settings($what)
1420	foreach dataset [CurrentDatasets -visible $_first] {
1421	foreach { dataobj comp } [split $dataset -] break
1422	set type [$dataobj type $comp]
1423	if { $type == "glyphs" } {
1424	SendCmd "$type visible $bool $dataset"
1425	}
1426	}
1427	}
1428	"glyphs-lighting" {
1429	set bool $_settings($what)
1430	foreach dataset [CurrentDatasets -visible $_first] {
1431	foreach { dataobj comp } [split $dataset -] break
1432	set type [$dataobj type $comp]
1433	if { $type == "glyphs" } {
1434	SendCmd "$type lighting $bool $dataset"
1435	}
1436	}
1437	}
1438	"glyphs-edges" {
1439	set bool $_settings($what)
1440	foreach dataset [CurrentDatasets -visible $_first] {
1441	foreach { dataobj comp } [split $dataset -] break
1442	set type [$dataobj type $comp]
1443	if { $type == "glyphs" } {
1444	SendCmd "$type edges $bool $dataset"
1445	}
1446	}
1447	}
1448	"glyphs-palette" {
1449	set palette [$itk_component(glyphspalette) value]
1450	set _settings($what) $palette
1451	foreach dataset [CurrentDatasets -visible $_first] {
1452	foreach {dataobj comp} [split $dataset -] break
1453	set type [$dataobj type $comp]
1454	if { $type == "glyphs" } {
1455	ChangeColormap $dataobj $comp $palette
1456	# FIXME: fill in current selected fieldname
1457	#SendCmd "glyphs colormode scalar {} $dataset"
1458	}
1459	}
1460	set _legendPending 1
1461	}
1462	"polydata-opacity" {
1463	foreach dataset [CurrentDatasets -visible $_first] {
1464	foreach { dataobj comp } [split $dataset -] break
1465	if { [$dataobj type $comp] == "polydata" } {
1466	SetOpacity $dataset
1467	}
1468	}
1469	}
1470	"polydata-outline" {
1471	set bool $_settings($what)
1472	foreach dataset [CurrentDatasets -visible $_first] {
1473	foreach { dataobj comp } [split $dataset -] break
1474	set type [$dataobj type $comp]
1475	if { $type == "polydata" } {
1476	SendCmd "outline visible $bool $dataset"
1477	}
1478	}
1479	}
1480	"polydata-wireframe" {
1481	set bool $_settings($what)
1482	foreach dataset [CurrentDatasets -visible $_first] {
1483	foreach { dataobj comp } [split $dataset -] break
1484	set type [$dataobj type $comp]
1485	if { $type == "polydata" } {
1486	SendCmd "$type wireframe $bool $dataset"
1487	}
1488	}
1489	}
1490	"polydata-visible" {
1491	set bool $_settings($what)
1492	foreach dataset [CurrentDatasets -visible $_first] {
1493	foreach { dataobj comp } [split $dataset -] break
1494	set type [$dataobj type $comp]
1495	if { $type == "polydata" } {
1496	SendCmd "$type visible $bool $dataset"
1497	}
1498	}
1499	}
1500	"polydata-lighting" {
1501	set bool $_settings($what)
1502	foreach dataset [CurrentDatasets -visible $_first] {
1503	foreach { dataobj comp } [split $dataset -] break
1504	set type [$dataobj type $comp]
1505	if { $type == "polydata" } {
1506	SendCmd "$type lighting $bool $dataset"
1507	}
1508	}
1509	}
1510	"polydata-edges" {
1511	set bool $_settings($what)
1512	foreach dataset [CurrentDatasets -visible $_first] {
1513	foreach { dataobj comp } [split $dataset -] break
1514	set type [$dataobj type $comp]
1515	if { $type == "polydata" } {
1516	SendCmd "$type edges $bool $dataset"
1517	}
1518	}
1519	}
1520	"polydata-palette" {
1521	set palette [$itk_component(meshpalette) value]
1522	set _settings($what) $palette
1523	foreach dataset [CurrentDatasets -visible $_first] {
1524	foreach {dataobj comp} [split $dataset -] break
1525	set type [$dataobj type $comp]
1526	if { $type == "polydata" } {
1527	ChangeColormap $dataobj $comp $palette
1528	# FIXME: fill in current selected fieldname
1529	#SendCmd "polydata colormode scalar {} $dataset"
1530	}
1531	}
1532	set _legendPending 1
1533	}
1534	"molecule-opacity" {
1535	foreach dataset [CurrentDatasets -visible $_first] {
1536	foreach { dataobj comp } [split $dataset -] break
1537	if { [$dataobj type $comp] == "molecule" } {
1538	SetOpacity $dataset
1539	}
1540	}
1541	}
1542	"molecule-outline" {
1543	set bool $_settings($what)
1544	foreach dataset [CurrentDatasets -visible $_first] {
1545	foreach { dataobj comp } [split $dataset -] break
1546	set type [$dataobj type $comp]
1547	if { $type == "molecule" } {
1548	SendCmd "outline visible $bool $dataset"
1549	}
1550	}
1551	}
1552	"molecule-wireframe" {
1553	set bool $_settings($what)
1554	foreach dataset [CurrentDatasets -visible $_first] {
1555	foreach { dataobj comp } [split $dataset -] break
1556	set type [$dataobj type $comp]
1557	if { $type == "molecule" } {
1558	SendCmd "molecule wireframe $bool $dataset"
1559	}
1560	}
1561	}
1562	"molecule-visible" {
1563	set bool $_settings($what)
1564	foreach dataset [CurrentDatasets -visible $_first] {
1565	foreach { dataobj comp } [split $dataset -] break
1566	set type [$dataobj type $comp]
1567	if { $type == "molecule" } {
1568	SendCmd "molecule visible $bool $dataset"
1569	}
1570	}
1571	}
1572	"molecule-lighting" {
1573	set bool $_settings($what)
1574	foreach dataset [CurrentDatasets -visible $_first] {
1575	foreach { dataobj comp } [split $dataset -] break
1576	set type [$dataobj type $comp]
1577	if { $type == "molecule" } {
1578	SendCmd "molecule lighting $bool $dataset"
1579	}
1580	}
1581	}
1582	"molecule-edges" {
1583	set bool $_settings($what)
1584	foreach dataset [CurrentDatasets -visible $_first] {
1585	foreach { dataobj comp } [split $dataset -] break
1586	set type [$dataobj type $comp]
1587	if { $type == "molecule" } {
1588	SendCmd "molecule edges $bool $dataset"
1589	}
1590	}
1591	}
1592	"molecule-palette" {
1593	set palette [$itk_component(moleculepalette) value]
1594	set _settings($what) $palette
1595	foreach dataset [CurrentDatasets -visible $_first] {
1596	foreach {dataobj comp} [split $dataset -] break
1597	set type [$dataobj type $comp]
1598	if { $type == "molecule" } {
1599	ChangeColormap $dataobj $comp $palette
1600	if { $palette == "elementDefault" } {
1601	SendCmd "molecule colormode by_elements element $dataset"
1602	} else {
1603	# FIXME: Set the chosen scalar field name here
1604	SendCmd "molecule colormode scalar {} $dataset"
1605	}
1606	}
1607	}
1608	set _legendPending 1
1609	}
1610	"molecule-representation" {
1611	set value [$itk_component(representation) value]
1612	set value [$itk_component(representation) translate $value]
1613	switch -- $value {
1614	"ballandstick" {
1615	set _settings(molecule-rscale) covalent
1616	set _settings(molecule-atoms-visible) 1
1617	set _settings(molecule-bonds-visible) 1
1618	set _settings(molecule-bondstyle) cylinder
1619	set _settings(molecule-atomscale) 0.3
1620	set _settings(molecule-bondscale) 0.075
1621	}
1622	"balls" - "spheres" {
1623	set _settings(molecule-rscale) covalent
1624	set _settings(molecule-atoms-visible) 1
1625	set _settings(molecule-bonds-visible) 0
1626	set _settings(molecule-bondstyle) cylinder
1627	set _settings(molecule-atomscale) 0.3
1628	set _settings(molecule-bondscale) 0.075
1629	}
1630	"sticks" {
1631	set _settings(molecule-rscale) none
1632	set _settings(molecule-atoms-visible) 1
1633	set _settings(molecule-bonds-visible) 1
1634	set _settings(molecule-bondstyle) cylinder
1635	set _settings(molecule-atomscale) 0.075
1636	set _settings(molecule-bondscale) 0.075
1637	}
1638	"spacefilling" {
1639	set _settings(molecule-rscale) van_der_waals
1640	set _settings(molecule-atoms-visible) 1
1641	set _settings(molecule-bonds-visible) 0
1642	set _settings(molecule-bondstyle) cylinder
1643	set _settings(molecule-atomscale) 1.0
1644	set _settings(molecule-bondscale) 0.075
1645	}
1646	"rods" {
1647	set _settings(molecule-rscale) none
1648	set _settings(molecule-atoms-visible) 1
1649	set _settings(molecule-bonds-visible) 1
1650	set _settings(molecule-bondstyle) cylinder
1651	set _settings(molecule-atomscale) 0.1
1652	set _settings(molecule-bondscale) 0.1
1653	}
1654	"wireframe" - "lines" {
1655	set _settings(molecule-rscale) none
1656	set _settings(molecule-atoms-visible) 0
1657	set _settings(molecule-bonds-visible) 1
1658	set _settings(molecule-bondstyle) line
1659	set _settings(molecule-atomscale) 1.0
1660	set _settings(molecule-bondscale) 1.0
1661	}
1662	default {
1663	error "unknown representation $value"
1664	}
1665	}
1666	$itk_component(rscale) value [$itk_component(rscale) label $_settings(molecule-rscale)]
1667	switch -- $value {
1668	"ballandstick" - "balls" - "spheres" {
1669	$itk_component(rscale) configure -state normal
1670	}
1671	default {
1672	$itk_component(rscale) configure -state disabled
1673	}
1674	}
1675	foreach dataset [CurrentDatasets -all] {
1676	foreach {dataobj comp} [split $dataset -] break
1677	set type [$dataobj type $comp]
1678	if { $type == "molecule" } {
1679	StartBufferingCommands
1680	SendCmd [subst {molecule rscale $_settings(molecule-rscale) $dataset}]
1681	SendCmd [subst {molecule ascale $_settings(molecule-atomscale) $dataset}]
1682	SendCmd [subst {molecule bscale $_settings(molecule-bondscale) $dataset}]
1683	SendCmd [subst {molecule bstyle $_settings(molecule-bondstyle) $dataset}]
1684	SendCmd [subst {molecule atoms $_settings(molecule-atoms-visible) $dataset}]
1685	SendCmd [subst {molecule bonds $_settings(molecule-bonds-visible) $dataset}]
1686	StopBufferingCommands
1687	}
1688	}
1689	}
1690	"molecule-rscale" {
1691	set value [$itk_component(rscale) value]
1692	set value [$itk_component(rscale) translate $value]
1693	set _settings($what) $value
1694	foreach dataset [CurrentDatasets -visible $_first] {
1695	foreach {dataobj comp} [split $dataset -] break
1696	set type [$dataobj type $comp]
1697	if { $type == "molecule" } {
1698	SendCmd [subst {molecule rscale $_settings($what) $dataset}]
1699	}
1700	}
1701	}
1702	"molecule-labels" {
1703	set bool $_settings($what)
1704	foreach dataset [CurrentDatasets -visible $_first] {
1705	foreach { dataobj comp } [split $dataset -] break
1706	set type [$dataobj type $comp]
1707	if { $type == "molecule" } {
1708	SendCmd "molecule labels $bool $dataset"
1709	}
1710	}
1711	}
1712	"axis-visible" {
1713	set bool $_axis(visible)
1714	SendCmd "axis visible all $bool"
1715	}
1716	"axis-labels" {
1717	set bool $_axis(labels)
1718	SendCmd "axis labels all $bool"
1719	}
1720	"axis-minorticks" {
1721	set bool $_axis(minorticks)
1722	SendCmd "axis minticks all $bool"
1723	}
1724	"axis-xgrid" {
1725	set bool $_axis(xgrid)
1726	SendCmd "axis grid x $bool"
1727	}
1728	"axis-ygrid" {
1729	set bool $_axis(ygrid)
1730	SendCmd "axis grid y $bool"
1731	}
1732	"axis-zgrid" {
1733	set bool $_axis(zgrid)
1734	SendCmd "axis grid z $bool"
1735	}
1736	"axis-mode" {
1737	set mode [$itk_component(axismode) value]
1738	set mode [$itk_component(axismode) translate $mode]
1739	SendCmd "axis flymode $mode"
1740	}
1741	"axis-xcutaway" - "axis-ycutaway" - "axis-zcutaway" {
1742	set axis [string range $what 5 5]
1743	set bool $_axis(${axis}cutaway)
1744	if { $bool } {
1745	set pos [expr $_axis(${axis}position) * 0.01]
1746	set dir $_axis(${axis}direction)
1747	$itk_component(${axis}CutScale) configure -state normal \
1748	-troughcolor white
1749	SendCmd "renderer clipplane $axis $pos $dir"
1750	} else {
1751	$itk_component(${axis}CutScale) configure -state disabled \
1752	-troughcolor grey82
1753	SendCmd "renderer clipplane $axis 1 -1"
1754	}
1755	}
1756	"axis-xposition" - "axis-yposition" - "axis-zposition" -
1757	"axis-xdirection" - "axis-ydirection" - "axis-zdirection" {
1758	set axis [string range $what 5 5]
1759	#set dir $_axis(${axis}direction)
1760	set pos [expr $_axis(${axis}position) * 0.01]
1761	SendCmd "renderer clipplane ${axis} $pos -1"
1762	}
1763	default {
1764	error "don't know how to fix $what"
1765	}
1766	}
1767	}
1768
1769	#
1770	# RequestLegend --
1771	#
1772	# Request a new legend from the server. The size of the legend
1773	# is determined from the height of the canvas. It will be rotated
1774	# to be vertical when drawn.
1775	#
1776	itcl::body Rappture::VtkViewer::RequestLegend {} {
1777	set font "Arial 8"
1778	set lineht [font metrics $font -linespace]
1779	set w 12
1780	set h [expr {$_height - 2 * ($lineht + 2)}]
1781	if { $h < 1 } {
1782	return
1783	}
1784	# Set the legend on the first dataset.
1785	foreach dataset [CurrentDatasets -visible] {
1786	foreach {dataobj comp} [split $dataset -] break
1787	if { [info exists _dataset2style($dataset)] } {
1788	SendCmd "legend $_dataset2style($dataset) vmag {} {} $w $h 0"
1789	break;
1790	}
1791	}
1792	}
1793
1794	#
1795	# ChangeColormap --
1796	#
1797	itcl::body Rappture::VtkViewer::ChangeColormap {dataobj comp color} {
1798	set tag $dataobj-$comp
1799	if { ![info exist _style($tag)] } {
1800	error "no initial colormap"
1801	}
1802	array set style $_style($tag)
1803	set style(-color) $color
1804	set _style($tag) [array get style]
1805	SetColormap $dataobj $comp
1806	}
1807
1808	#
1809	# SetColormap --
1810	#
1811	itcl::body Rappture::VtkViewer::SetColormap { dataobj comp } {
1812	array set style {
1813	-color BCGYR
1814	-levels 6
1815	-opacity 1.0
1816	}
1817	if {[$dataobj type $comp] == "molecule"} {
1818	set style(-color) elementDefault
1819	}
1820	set tag $dataobj-$comp
1821	if { ![info exists _initialStyle($tag)] } {
1822	# Save the initial component style.
1823	set _initialStyle($tag) [$dataobj style $comp]
1824	}
1825
1826	# Override defaults with initial style defined in xml.
1827	array set style $_initialStyle($tag)
1828
1829	if { ![info exists _style($tag)] } {
1830	set _style($tag) [array get style]
1831	}
1832	# Override initial style with current style.
1833	array set style $_style($tag)
1834
1835	if { $style(-color) == "elementDefault" } {
1836	set name "$style(-color)"
1837	} else {
1838	set name "$style(-color):$style(-levels):$style(-opacity)"
1839	}
1840	if { ![info exists _colormaps($name)] } {
1841	BuildColormap $name [array get style]
1842	set _colormaps($name) 1
1843	}
1844	if { ![info exists _dataset2style($tag)] \|\|
1845	$_dataset2style($tag) != $name } {
1846	set _dataset2style($tag) $name
1847	switch -- [$dataobj type $comp] {
1848	"polydata" {
1849	SendCmd "polydata colormap $name $tag"
1850	}
1851	"glyphs" {
1852	SendCmd "glyphs colormap $name $tag"
1853	}
1854	"molecule" {
1855	SendCmd "molecule colormap $name $tag"
1856	}
1857	}
1858	}
1859	}
1860
1861	#
1862	# BuildColormap --
1863	#
1864	itcl::body Rappture::VtkViewer::BuildColormap { name styles } {
1865	if { $name == "elementDefault" } {
1866	return
1867	}
1868	array set style $styles
1869	set cmap [ColorsToColormap $style(-color)]
1870	if { [llength $cmap] == 0 } {
1871	set cmap "0.0 0.0 0.0 0.0 1.0 1.0 1.0 1.0"
1872	}
1873	if { ![info exists _settings(polydata-opacity)] } {
1874	set _settings(polydata-opacity) $style(-opacity)
1875	}
1876	set max $_settings(polydata-opacity)
1877
1878	set wmap "0.0 1.0 1.0 1.0"
1879	SendCmd "colormap add $name { $cmap } { $wmap }"
1880	}
1881
1882	# ----------------------------------------------------------------------
1883	# CONFIGURATION OPTION: -plotbackground
1884	# ----------------------------------------------------------------------
1885	itcl::configbody Rappture::VtkViewer::plotbackground {
1886	if { [isconnected] } {
1887	set rgb [Color2RGB $itk_option(-plotbackground)]
1888	SendCmd "screen bgcolor $rgb"
1889	}
1890	}
1891
1892	# ----------------------------------------------------------------------
1893	# CONFIGURATION OPTION: -plotforeground
1894	# ----------------------------------------------------------------------
1895	itcl::configbody Rappture::VtkViewer::plotforeground {
1896	if { [isconnected] } {
1897	set rgb [Color2RGB $itk_option(-plotforeground)]
1898	SendCmd "axis color all $rgb"
1899	SendCmd "outline color $rgb"
1900	}
1901	}
1902
1903	itcl::body Rappture::VtkViewer::limits { dataobj } {
1904	foreach comp [$dataobj components] {
1905	set tag $dataobj-$comp
1906	if { ![info exists _limits($tag)] } {
1907	set data [$dataobj data $comp]
1908	if { $data == "" } {
1909	continue
1910	}
1911	set tmpfile file[pid].vtk
1912	set f [open "$tmpfile" "w"]
1913	fconfigure $f -translation binary -encoding binary
1914	puts $f $data
1915	close $f
1916	set reader [vtkDataSetReader $tag-xvtkDataSetReader]
1917	$reader SetFileName $tmpfile
1918	set debug 0
1919	if {$debug} {
1920	# Only needed for debug output below
1921	$reader ReadAllNormalsOn
1922	$reader ReadAllTCoordsOn
1923	$reader ReadAllScalarsOn
1924	$reader ReadAllColorScalarsOn
1925	$reader ReadAllVectorsOn
1926	$reader ReadAllTensorsOn
1927	$reader ReadAllFieldsOn
1928	}
1929	$reader Update
1930	file delete $tmpfile
1931	set output [$reader GetOutput]
1932	if { $output == "" } {
1933	# Invalid VTK file -- loader failed to parse
1934	continue
1935	}
1936	set _limits($tag) [$output GetBounds]
1937	if {$debug} {
1938	puts stderr "\#scalars=[$reader GetNumberOfScalarsInFile]"
1939	puts stderr "\#vectors=[$reader GetNumberOfVectorsInFile]"
1940	puts stderr "\#tensors=[$reader GetNumberOfTensorsInFile]"
1941	puts stderr "\#normals=[$reader GetNumberOfNormalsInFile]"
1942	puts stderr "\#tcoords=[$reader GetNumberOfTCoordsInFile]"
1943	puts stderr "\#fielddata=[$reader GetNumberOfFieldDataInFile]"
1944	puts stderr "fielddataname=[$reader GetFieldDataNameInFile 0]"
1945	set pointData [$output GetPointData]
1946	if { $pointData != ""} {
1947	puts stderr "point \#arrays=[$pointData GetNumberOfArrays]"
1948	puts stderr "point \#components=[$pointData GetNumberOfComponents]"
1949	puts stderr "point \#tuples=[$pointData GetNumberOfTuples]"
1950	puts stderr "point scalars=[$pointData GetScalars]"
1951	puts stderr "point vectors=[$pointData GetVectors]"
1952	}
1953	set cellData [$output GetCellData]
1954	if { $cellData != ""} {
1955	puts stderr "cell \#arrays=[$cellData GetNumberOfArrays]"
1956	puts stderr "cell \#components=[$cellData GetNumberOfComponents]"
1957	puts stderr "cell \#tuples=[$cellData GetNumberOfTuples]"
1958	puts stderr "cell scalars=[$cellData GetScalars]"
1959	puts stderr "cell vectors=[$cellData GetVectors]"
1960	}
1961	set fieldData [$output GetFieldData]
1962	if { $fieldData != ""} {
1963	puts stderr "field \#arrays=[$fieldData GetNumberOfArrays]"
1964	puts stderr "field \#components=[$fieldData GetNumberOfComponents]"
1965	puts stderr "field \#tuples=[$fieldData GetNumberOfTuples]"
1966	}
1967	}
1968	rename $output ""
1969	rename $reader ""
1970	}
1971	foreach { xMin xMax yMin yMax zMin zMax} $_limits($tag) break
1972	if {![info exists limits(xmin)] \|\| $limits(xmin) > $xMin} {
1973	set limits(xmin) $xMin
1974	}
1975	if {![info exists limits(xmax)] \|\| $limits(xmax) < $xMax} {
1976	set limits(xmax) $xMax
1977	}
1978	if {![info exists limits(ymin)] \|\| $limits(ymin) > $yMin} {
1979	set limits(ymin) $xMin
1980	}
1981	if {![info exists limits(ymax)] \|\| $limits(ymax) < $yMax} {
1982	set limits(ymax) $yMax
1983	}
1984	if {![info exists limits(zmin)] \|\| $limits(zmin) > $zMin} {
1985	set limits(zmin) $zMin
1986	}
1987	if {![info exists limits(zmax)] \|\| $limits(zmax) < $zMax} {
1988	set limits(zmax) $zMax
1989	}
1990	}
1991	return [array get limits]
1992	}
1993
1994	itcl::body Rappture::VtkViewer::BuildGlyphsTab {} {
1995
1996	set fg [option get $itk_component(hull) font Font]
1997	#set bfg [option get $itk_component(hull) boldFont Font]
1998
1999	set inner [$itk_component(main) insert 0 \
2000	-title "Glyph Settings" \
2001	-icon [Rappture::icon volume-on]]
2002	$inner configure -borderwidth 4
2003
2004	checkbutton $inner.glyphs \
2005	-text "Show Glyphs" \
2006	-variable [itcl::scope _settings(glyphs-visible)] \
2007	-command [itcl::code $this AdjustSetting glyphs-visible] \
2008	-font "Arial 9" -anchor w
2009
2010	checkbutton $inner.outline \
2011	-text "Show Outline" \
2012	-variable [itcl::scope _settings(glyphs-outline)] \
2013	-command [itcl::code $this AdjustSetting glyphs-outline] \
2014	-font "Arial 9" -anchor w
2015
2016	checkbutton $inner.wireframe \
2017	-text "Show Wireframe" \
2018	-variable [itcl::scope _settings(glyphs-wireframe)] \
2019	-command [itcl::code $this AdjustSetting glyphs-wireframe] \
2020	-font "Arial 9" -anchor w
2021
2022	checkbutton $inner.lighting \
2023	-text "Enable Lighting" \
2024	-variable [itcl::scope _settings(glyphs-lighting)] \
2025	-command [itcl::code $this AdjustSetting glyphs-lighting] \
2026	-font "Arial 9" -anchor w
2027
2028	checkbutton $inner.edges \
2029	-text "Show Edges" \
2030	-variable [itcl::scope _settings(glyphs-edges)] \
2031	-command [itcl::code $this AdjustSetting glyphs-edges] \
2032	-font "Arial 9" -anchor w
2033
2034	label $inner.palette_l -text "Palette" -font "Arial 9" -anchor w
2035	itk_component add glyphspalette {
2036	Rappture::Combobox $inner.palette -width 10 -editable no
2037	}
2038	$inner.palette choices insert end [GetColormapList]
2039	$itk_component(glyphspalette) value "BCGYR"
2040	bind $inner.palette <<Value>> \
2041	[itcl::code $this AdjustSetting glyphs-palette]
2042
2043	label $inner.opacity_l -text "Opacity" -font "Arial 9" -anchor w
2044	::scale $inner.opacity -from 0 -to 100 -orient horizontal \
2045	-variable [itcl::scope _settings(glyphs-opacity)] \
2046	-width 10 \
2047	-showvalue off \
2048	-command [itcl::code $this EventuallySetGlyphsOpacity]
2049	$inner.opacity set $_settings(glyphs-opacity)
2050
2051	blt::table $inner \
2052	0,0 $inner.glyphs -cspan 2 -anchor w -pady 2 \
2053	1,0 $inner.outline -cspan 2 -anchor w -pady 2 \
2054	2,0 $inner.wireframe -cspan 2 -anchor w -pady 2 \
2055	3,0 $inner.lighting -cspan 2 -anchor w -pady 2 \
2056	4,0 $inner.edges -cspan 2 -anchor w -pady 2 \
2057	5,0 $inner.opacity_l -anchor w -pady 2 \
2058	5,1 $inner.opacity -fill x -pady 2 \
2059	6,0 $inner.palette_l -anchor w -pady 2 \
2060	6,1 $inner.palette -fill x -pady 2
2061
2062	blt::table configure $inner r* c* -resize none
2063	blt::table configure $inner r8 c1 -resize expand
2064	}
2065
2066	itcl::body Rappture::VtkViewer::BuildPolydataTab {} {
2067
2068	set fg [option get $itk_component(hull) font Font]
2069	#set bfg [option get $itk_component(hull) boldFont Font]
2070
2071	set inner [$itk_component(main) insert 0 \
2072	-title "Mesh Settings" \
2073	-icon [Rappture::icon mesh]]
2074	$inner configure -borderwidth 4
2075
2076	checkbutton $inner.mesh \
2077	-text "Show Mesh" \
2078	-variable [itcl::scope _settings(polydata-visible)] \
2079	-command [itcl::code $this AdjustSetting polydata-visible] \
2080	-font "Arial 9" -anchor w
2081
2082	checkbutton $inner.outline \
2083	-text "Show Outline" \
2084	-variable [itcl::scope _settings(polydata-outline)] \
2085	-command [itcl::code $this AdjustSetting polydata-outline] \
2086	-font "Arial 9" -anchor w
2087
2088	checkbutton $inner.wireframe \
2089	-text "Show Wireframe" \
2090	-variable [itcl::scope _settings(polydata-wireframe)] \
2091	-command [itcl::code $this AdjustSetting polydata-wireframe] \
2092	-font "Arial 9" -anchor w
2093
2094	checkbutton $inner.lighting \
2095	-text "Enable Lighting" \
2096	-variable [itcl::scope _settings(polydata-lighting)] \
2097	-command [itcl::code $this AdjustSetting polydata-lighting] \
2098	-font "Arial 9" -anchor w
2099
2100	checkbutton $inner.edges \
2101	-text "Show Edges" \
2102	-variable [itcl::scope _settings(polydata-edges)] \
2103	-command [itcl::code $this AdjustSetting polydata-edges] \
2104	-font "Arial 9" -anchor w
2105
2106	label $inner.palette_l -text "Palette" -font "Arial 9" -anchor w
2107	itk_component add meshpalette {
2108	Rappture::Combobox $inner.palette -width 10 -editable no
2109	}
2110	$inner.palette choices insert end [GetColormapList]
2111	$itk_component(meshpalette) value "BCGYR"
2112	bind $inner.palette <<Value>> \
2113	[itcl::code $this AdjustSetting polydata-palette]
2114
2115	label $inner.opacity_l -text "Opacity" -font "Arial 9" -anchor w
2116	::scale $inner.opacity -from 0 -to 100 -orient horizontal \
2117	-variable [itcl::scope _settings(polydata-opacity)] \
2118	-width 10 \
2119	-showvalue off \
2120	-command [itcl::code $this EventuallySetPolydataOpacity]
2121	$inner.opacity set $_settings(polydata-opacity)
2122
2123	blt::table $inner \
2124	0,0 $inner.mesh -cspan 2 -anchor w -pady 2 \
2125	1,0 $inner.outline -cspan 2 -anchor w -pady 2 \
2126	2,0 $inner.wireframe -cspan 2 -anchor w -pady 2 \
2127	3,0 $inner.lighting -cspan 2 -anchor w -pady 2 \
2128	4,0 $inner.edges -cspan 2 -anchor w -pady 2 \
2129	5,0 $inner.opacity_l -anchor w -pady 2 \
2130	5,1 $inner.opacity -fill x -pady 2 \
2131	6,0 $inner.palette_l -anchor w -pady 2 \
2132	6,1 $inner.palette -fill x -pady 2
2133
2134	blt::table configure $inner r* c* -resize none
2135	blt::table configure $inner r8 c1 -resize expand
2136	}
2137
2138	itcl::body Rappture::VtkViewer::BuildAxisTab {} {
2139
2140	set fg [option get $itk_component(hull) font Font]
2141	#set bfg [option get $itk_component(hull) boldFont Font]
2142
2143	set inner [$itk_component(main) insert end \
2144	-title "Axis Settings" \
2145	-icon [Rappture::icon axis2]]
2146	$inner configure -borderwidth 4
2147
2148	checkbutton $inner.visible \
2149	-text "Axes" \
2150	-variable [itcl::scope _axis(visible)] \
2151	-command [itcl::code $this AdjustSetting axis-visible] \
2152	-font "Arial 9"
2153
2154	checkbutton $inner.labels \
2155	-text "Axis Labels" \
2156	-variable [itcl::scope _axis(labels)] \
2157	-command [itcl::code $this AdjustSetting axis-labels] \
2158	-font "Arial 9"
2159	label $inner.grid_l -text "Grid" -font "Arial 9"
2160	checkbutton $inner.xgrid \
2161	-text "X" \
2162	-variable [itcl::scope _axis(xgrid)] \
2163	-command [itcl::code $this AdjustSetting axis-xgrid] \
2164	-font "Arial 9"
2165	checkbutton $inner.ygrid \
2166	-text "Y" \
2167	-variable [itcl::scope _axis(ygrid)] \
2168	-command [itcl::code $this AdjustSetting axis-ygrid] \
2169	-font "Arial 9"
2170	checkbutton $inner.zgrid \
2171	-text "Z" \
2172	-variable [itcl::scope _axis(zgrid)] \
2173	-command [itcl::code $this AdjustSetting axis-zgrid] \
2174	-font "Arial 9"
2175	checkbutton $inner.minorticks \
2176	-text "Minor Ticks" \
2177	-variable [itcl::scope _axis(minorticks)] \
2178	-command [itcl::code $this AdjustSetting axis-minorticks] \
2179	-font "Arial 9"
2180
2181	label $inner.mode_l -text "Mode" -font "Arial 9"
2182
2183	itk_component add axismode {
2184	Rappture::Combobox $inner.mode -width 10 -editable no
2185	}
2186	$inner.mode choices insert end \
2187	"static_triad" "static" \
2188	"closest_triad" "closest" \
2189	"furthest_triad" "farthest" \
2190	"outer_edges" "outer"
2191	$itk_component(axismode) value "static"
2192	bind $inner.mode <<Value>> [itcl::code $this AdjustSetting axis-mode]
2193
2194	blt::table $inner \
2195	0,0 $inner.visible -anchor w -cspan 4 \
2196	1,0 $inner.labels -anchor w -cspan 4 \
2197	2,0 $inner.minorticks -anchor w -cspan 4 \
2198	4,0 $inner.grid_l -anchor w \
2199	4,1 $inner.xgrid -anchor w \
2200	4,2 $inner.ygrid -anchor w \
2201	4,3 $inner.zgrid -anchor w \
2202	5,0 $inner.mode_l -anchor w -padx { 2 0 } \
2203	5,1 $inner.mode -fill x -cspan 3
2204
2205	blt::table configure $inner r* c* -resize none
2206	blt::table configure $inner r7 c6 -resize expand
2207	blt::table configure $inner r3 -height 0.125i
2208	}
2209
2210	itcl::body Rappture::VtkViewer::BuildCameraTab {} {
2211	set inner [$itk_component(main) insert end \
2212	-title "Camera Settings" \
2213	-icon [Rappture::icon camera]]
2214	$inner configure -borderwidth 4
2215
2216	label $inner.view_l -text "view" -font "Arial 9"
2217	set f [frame $inner.view]
2218	foreach side { front back left right top bottom } {
2219	button $f.$side -image [Rappture::icon view$side] \
2220	-command [itcl::code $this SetOrientation $side]
2221	Rappture::Tooltip::for $f.$side "Change the view to $side"
2222	pack $f.$side -side left
2223	}
2224
2225	blt::table $inner \
2226	0,0 $inner.view_l -anchor e -pady 2 \
2227	0,1 $inner.view -anchor w -pady 2
2228
2229	set labels { qx qy qz qw xpan ypan zoom }
2230	set row 1
2231	foreach tag $labels {
2232	label $inner.${tag}label -text $tag -font "Arial 9"
2233	entry $inner.${tag} -font "Arial 9" -bg white \
2234	-textvariable [itcl::scope _view(-$tag)]
2235	bind $inner.${tag} <Return> \
2236	[itcl::code $this camera set -${tag}]
2237	bind $inner.${tag} <KP_Enter> \
2238	[itcl::code $this camera set -${tag}]
2239	blt::table $inner \
2240	$row,0 $inner.${tag}label -anchor e -pady 2 \
2241	$row,1 $inner.${tag} -anchor w -pady 2
2242	blt::table configure $inner r$row -resize none
2243	incr row
2244	}
2245	checkbutton $inner.ortho \
2246	-text "Orthographic Projection" \
2247	-variable [itcl::scope _view(-ortho)] \
2248	-command [itcl::code $this camera set -ortho] \
2249	-font "Arial 9"
2250	blt::table $inner \
2251	$row,0 $inner.ortho -cspan 2 -anchor w -pady 2
2252	blt::table configure $inner r$row -resize none
2253	incr row
2254
2255	blt::table configure $inner c* r* -resize none
2256	blt::table configure $inner c2 -resize expand
2257	blt::table configure $inner r$row -resize expand
2258	}
2259
2260	itcl::body Rappture::VtkViewer::BuildCutawayTab {} {
2261
2262	set fg [option get $itk_component(hull) font Font]
2263
2264	set inner [$itk_component(main) insert end \
2265	-title "Cutaway Along Axis" \
2266	-icon [Rappture::icon cutbutton]]
2267
2268	$inner configure -borderwidth 4
2269
2270	# X-value slicer...
2271	itk_component add xCutButton {
2272	Rappture::PushButton $inner.xbutton \
2273	-onimage [Rappture::icon x-cutplane] \
2274	-offimage [Rappture::icon x-cutplane] \
2275	-command [itcl::code $this AdjustSetting axis-xcutaway] \
2276	-variable [itcl::scope _axis(xcutaway)]
2277	}
2278	Rappture::Tooltip::for $itk_component(xCutButton) \
2279	"Toggle the X-axis cutaway on/off"
2280
2281	itk_component add xCutScale {
2282	::scale $inner.xval -from 100 -to 0 \
2283	-width 10 -orient vertical -showvalue yes \
2284	-borderwidth 1 -highlightthickness 0 \
2285	-command [itcl::code $this Slice move x] \
2286	-variable [itcl::scope _axis(xposition)]
2287	} {
2288	usual
2289	ignore -borderwidth -highlightthickness
2290	}
2291	# Set the default cutaway value before disabling the scale.
2292	$itk_component(xCutScale) set 100
2293	$itk_component(xCutScale) configure -state disabled
2294	Rappture::Tooltip::for $itk_component(xCutScale) \
2295	"@[itcl::code $this Slice tooltip x]"
2296
2297	itk_component add xDirButton {
2298	Rappture::PushButton $inner.xdir \
2299	-onimage [Rappture::icon arrow-down] \
2300	-onvalue -1 \
2301	-offimage [Rappture::icon arrow-up] \
2302	-offvalue 1 \
2303	-command [itcl::code $this AdjustSetting axis-xdirection] \
2304	-variable [itcl::scope _axis(xdirection)]
2305	}
2306	set _axis(xdirection) -1
2307	Rappture::Tooltip::for $itk_component(xDirButton) \
2308	"Toggle the direction of the X-axis cutaway"
2309
2310	# Y-value slicer...
2311	itk_component add yCutButton {
2312	Rappture::PushButton $inner.ybutton \
2313	-onimage [Rappture::icon y-cutplane] \
2314	-offimage [Rappture::icon y-cutplane] \
2315	-command [itcl::code $this AdjustSetting axis-ycutaway] \
2316	-variable [itcl::scope _axis(ycutaway)]
2317	}
2318	Rappture::Tooltip::for $itk_component(yCutButton) \
2319	"Toggle the Y-axis cutaway on/off"
2320
2321	itk_component add yCutScale {
2322	::scale $inner.yval -from 100 -to 0 \
2323	-width 10 -orient vertical -showvalue yes \
2324	-borderwidth 1 -highlightthickness 0 \
2325	-command [itcl::code $this Slice move y] \
2326	-variable [itcl::scope _axis(yposition)]
2327	} {
2328	usual
2329	ignore -borderwidth -highlightthickness
2330	}
2331	Rappture::Tooltip::for $itk_component(yCutScale) \
2332	"@[itcl::code $this Slice tooltip y]"
2333	# Set the default cutaway value before disabling the scale.
2334	$itk_component(yCutScale) set 100
2335	$itk_component(yCutScale) configure -state disabled
2336
2337	itk_component add yDirButton {
2338	Rappture::PushButton $inner.ydir \
2339	-onimage [Rappture::icon arrow-down] \
2340	-onvalue -1 \
2341	-offimage [Rappture::icon arrow-up] \
2342	-offvalue 1 \
2343	-command [itcl::code $this AdjustSetting axis-ydirection] \
2344	-variable [itcl::scope _axis(ydirection)]
2345	}
2346	Rappture::Tooltip::for $itk_component(yDirButton) \
2347	"Toggle the direction of the Y-axis cutaway"
2348	set _axis(ydirection) -1
2349
2350	# Z-value slicer...
2351	itk_component add zCutButton {
2352	Rappture::PushButton $inner.zbutton \
2353	-onimage [Rappture::icon z-cutplane] \
2354	-offimage [Rappture::icon z-cutplane] \
2355	-command [itcl::code $this AdjustSetting axis-zcutaway] \
2356	-variable [itcl::scope _axis(zcutaway)]
2357	}
2358	Rappture::Tooltip::for $itk_component(zCutButton) \
2359	"Toggle the Z-axis cutaway on/off"
2360
2361	itk_component add zCutScale {
2362	::scale $inner.zval -from 100 -to 0 \
2363	-width 10 -orient vertical -showvalue yes \
2364	-borderwidth 1 -highlightthickness 0 \
2365	-command [itcl::code $this Slice move z] \
2366	-variable [itcl::scope _axis(zposition)]
2367	} {
2368	usual
2369	ignore -borderwidth -highlightthickness
2370	}
2371	$itk_component(zCutScale) set 100
2372	$itk_component(zCutScale) configure -state disabled
2373	Rappture::Tooltip::for $itk_component(zCutScale) \
2374	"@[itcl::code $this Slice tooltip z]"
2375
2376	itk_component add zDirButton {
2377	Rappture::PushButton $inner.zdir \
2378	-onimage [Rappture::icon arrow-down] \
2379	-onvalue -1 \
2380	-offimage [Rappture::icon arrow-up] \
2381	-offvalue 1 \
2382	-command [itcl::code $this AdjustSetting axis-zdirection] \
2383	-variable [itcl::scope _axis(zdirection)]
2384	}
2385	set _axis(zdirection) -1
2386	Rappture::Tooltip::for $itk_component(zDirButton) \
2387	"Toggle the direction of the Z-axis cutaway"
2388
2389	blt::table $inner \
2390	0,0 $itk_component(xCutButton) -anchor e -padx 2 -pady 2 \
2391	1,0 $itk_component(xCutScale) -fill y \
2392	0,1 $itk_component(yCutButton) -anchor e -padx 2 -pady 2 \
2393	1,1 $itk_component(yCutScale) -fill y \
2394	0,2 $itk_component(zCutButton) -anchor e -padx 2 -pady 2 \
2395	1,2 $itk_component(zCutScale) -fill y \
2396
2397	blt::table configure $inner r* c* -resize none
2398	blt::table configure $inner r1 c3 -resize expand
2399	}
2400
2401	itcl::body Rappture::VtkViewer::BuildMoleculeTab {} {
2402	set fg [option get $itk_component(hull) font Font]
2403
2404	set inner [$itk_component(main) insert 0 \
2405	-title "Molecule Settings" \
2406	-icon [Rappture::icon molecule]]
2407	$inner configure -borderwidth 4
2408
2409	checkbutton $inner.molecule \
2410	-text "Show Molecule" \
2411	-variable [itcl::scope _settings(molecule-visible)] \
2412	-command [itcl::code $this AdjustSetting molecule-visible] \
2413	-font "Arial 9"
2414
2415	checkbutton $inner.outline \
2416	-text "Show Outline" \
2417	-variable [itcl::scope _settings(molecule-outline)] \
2418	-command [itcl::code $this AdjustSetting molecule-outline] \
2419	-font "Arial 9"
2420
2421	checkbutton $inner.label \
2422	-text "Show Atom Labels" \
2423	-variable [itcl::scope _settings(molecule-labels)] \
2424	-command [itcl::code $this AdjustSetting molecule-labels] \
2425	-font "Arial 9"
2426
2427	checkbutton $inner.wireframe \
2428	-text "Show Wireframe" \
2429	-variable [itcl::scope _settings(molecule-wireframe)] \
2430	-command [itcl::code $this AdjustSetting molecule-wireframe] \
2431	-font "Arial 9"
2432
2433	checkbutton $inner.lighting \
2434	-text "Enable Lighting" \
2435	-variable [itcl::scope _settings(molecule-lighting)] \
2436	-command [itcl::code $this AdjustSetting molecule-lighting] \
2437	-font "Arial 9"
2438
2439	checkbutton $inner.edges \
2440	-text "Show Edges" \
2441	-variable [itcl::scope _settings(molecule-edges)] \
2442	-command [itcl::code $this AdjustSetting molecule-edges] \
2443	-font "Arial 9"
2444
2445	label $inner.rep_l -text "Molecule Representation" \
2446	-font "Arial 9"
2447
2448	itk_component add representation {
2449	Rappture::Combobox $inner.rep -width 20 -editable no
2450	}
2451	$inner.rep choices insert end \
2452	"ballandstick" "Ball and Stick" \
2453	"spheres" "Spheres" \
2454	"sticks" "Sticks" \
2455	"rods" "Rods" \
2456	"wireframe" "Wireframe" \
2457	"spacefilling" "Space Filling"
2458
2459	bind $inner.rep <<Value>> \
2460	[itcl::code $this AdjustSetting molecule-representation]
2461	$inner.rep value "Ball and Stick"
2462
2463	label $inner.rscale_l -text "Atom Radii" \
2464	-font "Arial 9"
2465
2466	itk_component add rscale {
2467	Rappture::Combobox $inner.rscale -width 20 -editable no
2468	}
2469	$inner.rscale choices insert end \
2470	"atomic" "Atomic" \
2471	"covalent" "Covalent" \
2472	"van_der_waals" "VDW" \
2473	"none" "Constant"
2474
2475	bind $inner.rscale <<Value>> \
2476	[itcl::code $this AdjustSetting molecule-rscale]
2477	$inner.rscale value "Covalent"
2478
2479	label $inner.palette_l -text "Palette" -font "Arial 9"
2480	itk_component add moleculepalette {
2481	Rappture::Combobox $inner.palette -width 10 -editable no
2482	}
2483	$inner.palette choices insert end [GetColormapList -includeElementDefault]
2484	$itk_component(moleculepalette) value "elementDefault"
2485	bind $inner.palette <<Value>> \
2486	[itcl::code $this AdjustSetting molecule-palette]
2487
2488	label $inner.atomscale_l -text "Atom Scale" -font "Arial 9"
2489	::scale $inner.atomscale -width 15 -font "Arial 7" \
2490	-from 0.025 -to 2.0 -resolution 0.025 -label "" \
2491	-showvalue true -orient horizontal \
2492	-command [itcl::code $this EventuallySetAtomScale] \
2493	-variable [itcl::scope _settings(molecule-atomscale)]
2494	$inner.atomscale set $_settings(molecule-atomscale)
2495	Rappture::Tooltip::for $inner.atomscale \
2496	"Adjust relative scale of atoms (spheres or balls)."
2497
2498	label $inner.bondscale_l -text "Bond Scale" -font "Arial 9"
2499	::scale $inner.bondscale -width 15 -font "Arial 7" \
2500	-from 0.005 -to 0.3 -resolution 0.005 -label "" \
2501	-showvalue true -orient horizontal \
2502	-command [itcl::code $this EventuallySetBondScale] \
2503	-variable [itcl::scope _settings(molecule-bondscale)]
2504	Rappture::Tooltip::for $inner.bondscale \
2505	"Adjust scale of bonds (sticks)."
2506	$inner.bondscale set $_settings(molecule-bondscale)
2507
2508	label $inner.opacity_l -text "Opacity" -font "Arial 9"
2509	::scale $inner.opacity -from 0 -to 100 -orient horizontal \
2510	-variable [itcl::scope _settings(molecule-opacity)] \
2511	-width 15 -font "Arial 7" \
2512	-showvalue on \
2513	-command [itcl::code $this EventuallySetMoleculeOpacity]
2514
2515	label $inner.quality_l -text "Quality" -font "Arial 9"
2516	::scale $inner.quality -width 15 -font "Arial 7" \
2517	-from 0.0 -to 10.0 -resolution 0.1 -label "" \
2518	-showvalue true -orient horizontal \
2519	-command [itcl::code $this EventuallySetMoleculeQuality] \
2520	-variable [itcl::scope _settings(molecule-quality)]
2521	Rappture::Tooltip::for $inner.quality \
2522	"Adjust tesselation quality"
2523	$inner.quality set $_settings(molecule-quality)
2524
2525	blt::table $inner \
2526	0,0 $inner.molecule -anchor w -pady {1 0} \
2527	1,0 $inner.outline -anchor w -pady {1 0} \
2528	2,0 $inner.label -anchor w -pady {1 0} \
2529	3,0 $inner.edges -anchor w -pady {1 0} \
2530	4,0 $inner.rep_l -anchor w -pady { 2 0 } \
2531	5,0 $inner.rep -fill x -pady 2 \
2532	6,0 $inner.rscale_l -anchor w -pady { 2 0 } \
2533	7,0 $inner.rscale -fill x -pady 2 \
2534	8,0 $inner.palette_l -anchor w -pady 0 \
2535	9,0 $inner.palette -fill x -padx 2 \
2536	10,0 $inner.atomscale_l -anchor w -pady {3 0} \
2537	11,0 $inner.atomscale -fill x -padx 2 \
2538	12,0 $inner.bondscale_l -anchor w -pady {3 0} \
2539	13,0 $inner.bondscale -fill x -padx 2 \
2540	14,0 $inner.opacity_l -anchor w -pady {3 0} \
2541	15,0 $inner.opacity -fill x -padx 2 \
2542	16,0 $inner.quality_l -anchor w -pady {3 0} \
2543	17,0 $inner.quality -fill x -padx 2
2544
2545	blt::table configure $inner r* -resize none
2546	blt::table configure $inner r18 -resize expand
2547	}
2548
2549	#
2550	# camera --
2551	#
2552	itcl::body Rappture::VtkViewer::camera {option args} {
2553	switch -- $option {
2554	"show" {
2555	puts [array get _view]
2556	}
2557	"set" {
2558	set what [lindex $args 0]
2559	set x $_view($what)
2560	set code [catch { string is double $x } result]
2561	if { $code != 0 \|\| !$result } {
2562	return
2563	}
2564	switch -- $what {
2565	"-ortho" {
2566	if {$_view($what)} {
2567	SendCmd "camera mode ortho"
2568	} else {
2569	SendCmd "camera mode persp"
2570	}
2571	}
2572	"-xpan" - "-ypan" {
2573	PanCamera
2574	}
2575	"-qx" - "-qy" - "-qz" - "-qw" {
2576	set q [ViewToQuaternion]
2577	$_arcball quaternion $q
2578	EventuallyRotate $q
2579	}
2580	"-zoom" {
2581	SendCmd "camera zoom $_view($what)"
2582	}
2583	}
2584	}
2585	}
2586	}
2587
2588	itcl::body Rappture::VtkViewer::GetVtkData { args } {
2589	set bytes ""
2590	foreach dataobj [get] {
2591	foreach comp [$dataobj components] {
2592	set tag $dataobj-$comp
2593	set contents [$dataobj data $comp]
2594	append bytes "$contents\n"
2595	}
2596	}
2597	return [list .vtk $bytes]
2598	}
2599
2600	itcl::body Rappture::VtkViewer::GetImage { args } {
2601	if { [image width $_image(download)] > 0 &&
2602	[image height $_image(download)] > 0 } {
2603	set bytes [$_image(download) data -format "jpeg -quality 100"]
2604	set bytes [Rappture::encoding::decode -as b64 $bytes]
2605	return [list .jpg $bytes]
2606	}
2607	return ""
2608	}
2609
2610	itcl::body Rappture::VtkViewer::BuildDownloadPopup { popup command } {
2611	Rappture::Balloon $popup \
2612	-title "[Rappture::filexfer::label downloadWord] as..."
2613	set inner [$popup component inner]
2614	label $inner.summary -text "" -anchor w
2615	radiobutton $inner.vtk_button -text "VTK data file" \
2616	-variable [itcl::scope _downloadPopup(format)] \
2617	-font "Helvetica 9 " \
2618	-value vtk
2619	Rappture::Tooltip::for $inner.vtk_button "Save as VTK data file."
2620	radiobutton $inner.image_button -text "Image File" \
2621	-variable [itcl::scope _downloadPopup(format)] \
2622	-value image
2623	Rappture::Tooltip::for $inner.image_button \
2624	"Save as digital image."
2625
2626	button $inner.ok -text "Save" \
2627	-highlightthickness 0 -pady 2 -padx 3 \
2628	-command $command \
2629	-compound left \
2630	-image [Rappture::icon download]
2631
2632	button $inner.cancel -text "Cancel" \
2633	-highlightthickness 0 -pady 2 -padx 3 \
2634	-command [list $popup deactivate] \
2635	-compound left \
2636	-image [Rappture::icon cancel]
2637
2638	blt::table $inner \
2639	0,0 $inner.summary -cspan 2 \
2640	1,0 $inner.vtk_button -anchor w -cspan 2 -padx { 4 0 } \
2641	2,0 $inner.image_button -anchor w -cspan 2 -padx { 4 0 } \
2642	4,1 $inner.cancel -width .9i -fill y \
2643	4,0 $inner.ok -padx 2 -width .9i -fill y
2644	blt::table configure $inner r3 -height 4
2645	blt::table configure $inner r4 -pady 4
2646	raise $inner.image_button
2647	$inner.vtk_button invoke
2648	return $inner
2649	}
2650
2651	itcl::body Rappture::VtkViewer::SetObjectStyle { dataobj comp } {
2652	# Parse style string.
2653	set tag $dataobj-$comp
2654	set type [$dataobj type $comp]
2655	set style [$dataobj style $comp]
2656	if { $dataobj != $_first } {
2657	set settings(-wireframe) 1
2658	}
2659	switch -- $type {
2660	"glyphs" {
2661	array set settings {
2662	-color white
2663	-edgecolor black
2664	-edges 0
2665	-gscale 1
2666	-lighting 1
2667	-linewidth 1.0
2668	-normscale 0
2669	-opacity 1.0
2670	-orientGlyphs 0
2671	-outline 0
2672	-ptsize 1.0
2673	-quality 1
2674	-scaleMode "vcomp"
2675	-shape "sphere"
2676	-visible 1
2677	-wireframe 0
2678	}
2679	array set settings $style
2680	set shape [$dataobj shape $comp]
2681	if {$shape != ""} {
2682	set settings(-shape) $shape
2683	}
2684	SendCmd "outline add $tag"
2685	SendCmd "outline color [Color2RGB $settings(-color)] $tag"
2686	SendCmd "outline visible $settings(-outline) $tag"
2687	set _settings(glyphs-outline) $settings(-outline)
2688
2689	SendCmd "glyphs add $settings(-shape) $tag"
2690	SendCmd "glyphs normscale $settings(-normscale) $tag"
2691	SendCmd "glyphs gscale $settings(-gscale) $tag"
2692	SendCmd "glyphs wireframe $settings(-wireframe) $tag"
2693	SendCmd "glyphs color [Color2RGB $settings(-color)] $tag"
2694	#SendCmd "glyphs colormode constant {} $tag"
2695	# Omitting field name for gorient and smode commands
2696	# defaults to active scalars or vectors depending on mode
2697	SendCmd "glyphs gorient $settings(-orientGlyphs) {} $tag"
2698	SendCmd "glyphs smode $settings(-scaleMode) {} $tag"
2699	SendCmd "glyphs edges $settings(-edges) $tag"
2700	SendCmd "glyphs linecolor [Color2RGB $settings(-edgecolor)] $tag"
2701	SendCmd "glyphs linewidth $settings(-linewidth) $tag"
2702	SendCmd "glyphs ptsize $settings(-ptsize) $tag"
2703	SendCmd "glyphs quality $settings(-quality) $tag"
2704	SendCmd "glyphs lighting $settings(-lighting) $tag"
2705	SendCmd "glyphs opacity $settings(-opacity) $tag"
2706	set _settings(glyphs-opacity) [expr 100.0 * $settings(-opacity)]
2707	SendCmd "glyphs visible $settings(-visible) $tag"
2708	set _settings(glyphs-wireframe) $settings(-wireframe)
2709	}
2710	"molecule" {
2711	array set settings {
2712	-atomscale 0.3
2713	-atomsvisible 1
2714	-bondscale 0.075
2715	-bondstyle "cylinder"
2716	-bondsvisible 1
2717	-color "elementDefault"
2718	-edgecolor black
2719	-edges 0
2720	-labels 0
2721	-lighting 1
2722	-linewidth 1.0
2723	-opacity 1.0
2724	-outline 0
2725	-quality 1.0
2726	-representation ""
2727	-rscale "covalent"
2728	-visible 1
2729	-wireframe 0
2730	}
2731	array set settings $style
2732
2733	SendCmd "outline add $tag"
2734	SendCmd "outline color [Color2RGB white] $tag"
2735	SendCmd "outline visible $settings(-outline) $tag"
2736	set _settings(molecule-outline) $settings(-outline)
2737
2738	SendCmd "molecule add $tag"
2739	if {$settings(-representation) != ""} {
2740	switch -- $settings(-representation) {
2741	"ballandstick" {
2742	set _settings(molecule-rscale) covalent
2743	set _settings(molecule-atoms-visible) 1
2744	set _settings(molecule-bonds-visible) 1
2745	set _settings(molecule-bondstyle) cylinder
2746	set _settings(molecule-atomscale) 0.3
2747	set _settings(molecule-bondscale) 0.075
2748	}
2749	"balls" - "spheres" {
2750	set _settings(molecule-rscale) covalent
2751	set _settings(molecule-atoms-visible) 1
2752	set _settings(molecule-bonds-visible) 0
2753	set _settings(molecule-bondstyle) cylinder
2754	set _settings(molecule-atomscale) 0.3
2755	set _settings(molecule-bondscale) 0.075
2756	}
2757	"sticks" {
2758	set _settings(molecule-rscale) none
2759	set _settings(molecule-atoms-visible) 1
2760	set _settings(molecule-bonds-visible) 1
2761	set _settings(molecule-bondstyle) cylinder
2762	set _settings(molecule-atomscale) 0.075
2763	set _settings(molecule-bondscale) 0.075
2764	}
2765	"spacefilling" {
2766	set _settings(molecule-rscale) van_der_waals
2767	set _settings(molecule-atoms-visible) 1
2768	set _settings(molecule-bonds-visible) 0
2769	set _settings(molecule-bondstyle) cylinder
2770	set _settings(molecule-atomscale) 1.0
2771	set _settings(molecule-bondscale) 0.075
2772	}
2773	"rods" {
2774	set _settings(molecule-rscale) none
2775	set _settings(molecule-atoms-visible) 1
2776	set _settings(molecule-bonds-visible) 1
2777	set _settings(molecule-bondstyle) cylinder
2778	set _settings(molecule-atomscale) 0.1
2779	set _settings(molecule-bondscale) 0.1
2780	}
2781	"wireframe" - "lines" {
2782	set _settings(molecule-rscale) none
2783	set _settings(molecule-atoms-visible) 0
2784	set _settings(molecule-bonds-visible) 1
2785	set _settings(molecule-bondstyle) line
2786	set _settings(molecule-atomscale) 1.0
2787	set _settings(molecule-bondscale) 1.0
2788	}
2789	default {
2790	error "unknown representation $value"
2791	}
2792	}
2793	SendCmd "molecule rscale $_settings(molecule-rscale) $tag"
2794	SendCmd "molecule atoms $_settings(molecule-atoms-visible) $tag"
2795	SendCmd "molecule bonds $_settings(molecule-bonds-visible) $tag"
2796	SendCmd "molecule bstyle $_settings(molecule-bondstyle) $tag"
2797	SendCmd "molecule ascale $_settings(molecule-atomscale) $tag"
2798	SendCmd "molecule bscale $_settings(molecule-bondscale) $tag"
2799	$itk_component(representation) value [$itk_component(representation) label $settings(-representation)]
2800	$itk_component(rscale) value [$itk_component(rscale) label $_settings(molecule-rscale)]
2801	switch -- $settings(-representation) {
2802	"ballandstick" - "balls" - "spheres" {
2803	$itk_component(rscale) configure -state normal
2804	}
2805	default {
2806	$itk_component(rscale) configure -state disabled
2807	}
2808	}
2809	} else {
2810	SendCmd "molecule rscale $settings(-rscale) $tag"
2811	set _settings(molecule-rscale) $settings(-rscale)
2812	SendCmd "molecule atoms $settings(-atomsvisible) $tag"
2813	set _settings(molecule-atoms-visible) $settings(-atomsvisible)
2814	SendCmd "molecule bonds $settings(-bondsvisible) $tag"
2815	set _settings(molecule-bonds-visible) $settings(-bondsvisible)
2816	SendCmd "molecule bstyle $settings(-bondstyle) $tag"
2817	set _settings(molecule-bondstyle) $settings(-bondstyle)
2818	SendCmd "molecule ascale $settings(-atomscale) $tag"
2819	set _settings(molecule-atomscale) $settings(-atomscale)
2820	SendCmd "molecule bscale $settings(-bondscale) $tag"
2821	set _settings(molecule-bondscale) $settings(-bondscale)
2822	}
2823	SendCmd "molecule labels $settings(-labels) $tag"
2824	set _settings(molecule-labels) $settings(-labels)
2825	SendCmd "molecule linecolor [Color2RGB $settings(-edgecolor)] $tag"
2826	SendCmd "molecule linewidth $settings(-linewidth) $tag"
2827	SendCmd "molecule edges $settings(-edges) $tag"
2828	set _settings(molecule-edges) $settings(-edges)
2829	SendCmd "molecule lighting $settings(-lighting) $tag"
2830	set _settings(molecule-lighting) $settings(-lighting)
2831	SendCmd "molecule aquality $settings(-quality) $tag"
2832	SendCmd "molecule bquality $settings(-quality) $tag"
2833	set _settings(molecule-quality) $settings(-quality)
2834	SendCmd "molecule visible $settings(-visible) $tag"
2835	set _settings(molecule-visible) $settings(-visible)
2836	set _haveMolecules 1
2837	}
2838	"polydata" {
2839	array set settings {
2840	-cloudstyle "mesh"
2841	-color white
2842	-edgecolor black
2843	-edges 1
2844	-lighting 1
2845	-linewidth 1.0
2846	-opacity 1.0
2847	-outline 0
2848	-visible 1
2849	-wireframe 0
2850	}
2851	array set settings $style
2852
2853	SendCmd "outline add $tag"
2854	SendCmd "outline color [Color2RGB $settings(-color)] $tag"
2855	SendCmd "outline visible $settings(-outline) $tag"
2856	set _settings(polydata-outline) $settings(-outline)
2857
2858	SendCmd "polydata add $tag"
2859	SendCmd "polydata visible $settings(-visible) $tag"
2860	set _settings(polydata-visible) $settings(-visible)
2861	SendCmd "polydata edges $settings(-edges) $tag"
2862	set _settings(polydata-edges) $settings(-edges)
2863	SendCmd "polydata cloudstyle $settings(-cloudstyle) $tag"
2864	SendCmd "polydata color [Color2RGB $settings(-color)] $tag"
2865	#SendCmd "polydata colormode constant {} $tag"
2866	SendCmd "polydata lighting $settings(-lighting) $tag"
2867	set _settings(polydata-lighting) $settings(-lighting)
2868	SendCmd "polydata linecolor [Color2RGB $settings(-edgecolor)] $tag"
2869	SendCmd "polydata linewidth $settings(-linewidth) $tag"
2870	SendCmd "polydata opacity $settings(-opacity) $tag"
2871	set _settings(polydata-opacity) [expr 100.0 * $settings(-opacity)]
2872	SendCmd "polydata wireframe $settings(-wireframe) $tag"
2873	set _settings(polydata-wireframe) $settings(-wireframe)
2874	set havePolyData 1
2875	}
2876	}
2877	SetColormap $dataobj $comp
2878	}
2879
2880	itcl::body Rappture::VtkViewer::IsValidObject { dataobj } {
2881	if {[catch {$dataobj isa Rappture::Drawing} valid] != 0 \|\| !$valid} {
2882	return 0
2883	}
2884	return 1
2885	}
2886
2887	# ----------------------------------------------------------------------
2888	# USAGE: ReceiveLegend <colormap> <title> <vmin> <vmax> <size>
2889	#
2890	# Invoked automatically whenever the "legend" command comes in from
2891	# the rendering server. Indicates that binary image data with the
2892	# specified <size> will follow.
2893	# ----------------------------------------------------------------------
2894	itcl::body Rappture::VtkViewer::ReceiveLegend { colormap title vmin vmax size } {
2895	set _limits(vmin) $vmin
2896	set _limits(vmax) $vmax
2897	set _title $title
2898	if { [IsConnected] } {
2899	set bytes [ReceiveBytes $size]
2900	if { ![info exists _image(legend)] } {
2901	set _image(legend) [image create photo]
2902	}
2903	$_image(legend) configure -data $bytes
2904	DrawLegend
2905	}
2906	}
2907
2908	#
2909	# DrawLegend --
2910	#
2911	# Draws the legend in it's own canvas which resides to the right
2912	# of the contour plot area.
2913	#
2914	itcl::body Rappture::VtkViewer::DrawLegend {} {
2915	set c $itk_component(view)
2916	set w [winfo width $c]
2917	set h [winfo height $c]
2918	set font "Arial 8"
2919	set lineht [font metrics $font -linespace]
2920
2921	if { $_settings(legend) } {
2922	set x [expr $w - 2]
2923	if { [$c find withtag "legend"] == "" } {
2924	$c create image $x [expr {$lineht+2}] \
2925	-anchor ne \
2926	-image $_image(legend) -tags "colormap legend"
2927	$c create text $x 2 \
2928	-anchor ne \
2929	-fill $itk_option(-plotforeground) -tags "vmax legend" \
2930	-font $font
2931	$c create text $x [expr {$h-2}] \
2932	-anchor se \
2933	-fill $itk_option(-plotforeground) -tags "vmin legend" \
2934	-font $font
2935	#$c bind colormap <Enter> [itcl::code $this EnterLegend %x %y]
2936	$c bind colormap <Leave> [itcl::code $this LeaveLegend]
2937	$c bind colormap <Motion> [itcl::code $this MotionLegend %x %y]
2938	}
2939	# Reset the item coordinates according the current size of the plot.
2940	$c coords colormap $x [expr {$lineht+2}]
2941	if { $_limits(vmin) != "" } {
2942	$c itemconfigure vmin -text [format %g $_limits(vmin)]
2943	}
2944	if { $_limits(vmax) != "" } {
2945	$c itemconfigure vmax -text [format %g $_limits(vmax)]
2946	}
2947	$c coords vmin $x [expr {$h-2}]
2948	$c coords vmax $x 2
2949	}
2950	}
2951
2952	#
2953	# EnterLegend --
2954	#
2955	itcl::body Rappture::VtkViewer::EnterLegend { x y } {
2956	SetLegendTip $x $y
2957	}
2958
2959	#
2960	# MotionLegend --
2961	#
2962	itcl::body Rappture::VtkViewer::MotionLegend { x y } {
2963	Rappture::Tooltip::tooltip cancel
2964	set c $itk_component(view)
2965	SetLegendTip $x $y
2966	}
2967
2968	#
2969	# LeaveLegend --
2970	#
2971	itcl::body Rappture::VtkViewer::LeaveLegend { } {
2972	Rappture::Tooltip::tooltip cancel
2973	.rappturetooltip configure -icon ""
2974	}
2975
2976	#
2977	# SetLegendTip --
2978	#
2979	itcl::body Rappture::VtkViewer::SetLegendTip { x y } {
2980	set c $itk_component(view)
2981	set w [winfo width $c]
2982	set h [winfo height $c]
2983	set font "Arial 8"
2984	set lineht [font metrics $font -linespace]
2985
2986	set imgHeight [image height $_image(legend)]
2987	set coords [$c coords colormap]
2988	set imgX [expr $w - [image width $_image(legend)] - 2]
2989	set imgY [expr $y - $lineht - 2]
2990
2991	# Make a swatch of the selected color
2992	if { [catch { $_image(legend) get 10 $imgY } pixel] != 0 } {
2993	return
2994	}
2995	if { ![info exists _image(swatch)] } {
2996	set _image(swatch) [image create photo -width 24 -height 24]
2997	}
2998	set color [eval format "\#%02x%02x%02x" $pixel]
2999	$_image(swatch) put black -to 0 0 23 23
3000	$_image(swatch) put $color -to 1 1 22 22
3001	.rappturetooltip configure -icon $_image(swatch)
3002
3003	# Compute the value of the point
3004	set t [expr 1.0 - (double($imgY) / double($imgHeight-1))]
3005	set value [expr $t * ($_limits(vmax) - $_limits(vmin)) + $_limits(vmin)]
3006	set tipx [expr $x + 15]
3007	set tipy [expr $y - 5]
3008	Rappture::Tooltip::text $c "$_title $value"
3009	Rappture::Tooltip::tooltip show $c +$tipx,+$tipy
3010	}
3011
3012	# ----------------------------------------------------------------------
3013	# USAGE: Slice move x\|y\|z <newval>
3014	#
3015	# Called automatically when the user drags the slider to move the
3016	# cut plane that slices 3D data. Gets the current value from the
3017	# slider and moves the cut plane to the appropriate point in the
3018	# data set.
3019	# ----------------------------------------------------------------------
3020	itcl::body Rappture::VtkViewer::Slice {option args} {
3021	switch -- $option {
3022	"move" {
3023	set axis [lindex $args 0]
3024	set newval [lindex $args 1]
3025	if {[llength $args] != 2} {
3026	error "wrong # args: should be \"Slice move x\|y\|z newval\""
3027	}
3028	set newpos [expr {0.01*$newval}]
3029	SendCmd "renderer clipplane $axis $newpos -1"
3030	}
3031	"tooltip" {
3032	set axis [lindex $args 0]
3033	set val [$itk_component(${axis}CutScale) get]
3034	return "Move the [string toupper $axis] cut plane.\nCurrently: $axis = $val%"
3035	}
3036	default {
3037	error "bad option \"$option\": should be axis, move, or tooltip"
3038	}
3039	}
3040	}
3041
3042	itcl::body Rappture::VtkViewer::SetOrientation { side } {
3043	array set positions {
3044	front "1 0 0 0"
3045	back "0 0 1 0"
3046	left "0.707107 0 -0.707107 0"
3047	right "0.707107 0 0.707107 0"
3048	top "0.707107 -0.707107 0 0"
3049	bottom "0.707107 0.707107 0 0"
3050	}
3051	foreach name { -qw -qx -qy -qz } value $positions($side) {
3052	set _view($name) $value
3053	}
3054	set q [ViewToQuaternion]
3055	$_arcball quaternion $q
3056	SendCmd "camera orient $q"
3057	SendCmd "camera reset"
3058	set _view(-xpan) 0
3059	set _view(-ypan) 0
3060	set _view(-zoom) 1.0
3061	}
3062
3063	itcl::body Rappture::VtkViewer::SetOpacity { dataset } {
3064	foreach {dataobj comp} [split $dataset -] break
3065	set type [$dataobj type $comp]
3066	set val $_settings($type-opacity)
3067	set sval [expr { 0.01 * double($val) }]
3068	if { !$_obj2ovride($dataobj-raise) } {
3069	# This is wrong. Need to figure out why raise isn't set with 1
3070	#set sval [expr $sval * .6]
3071	}
3072	SendCmd "$type opacity $sval $dataset"
3073	}

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