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source: trunk/gui/scripts/vtkviewer.tcl @ 4427

Last change on this file since 4427 was 4427, checked in by ldelgass, 10 years ago
Add outlines, glyphs tab
File size: 107.9 KB

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1	# -- mode: tcl; indent-tabs-mode: nil --
2	# ----------------------------------------------------------------------
3	# COMPONENT: vtkviewer - Vtk drawing object viewer
4	#
5	# It connects to the Vtk server running on a rendering farm,
6	# transmits data, and displays the results.
7	# ======================================================================
8	# AUTHOR: Michael McLennan, Purdue University
9	# Copyright (c) 2004-2014 HUBzero Foundation, LLC
10	#
11	# See the file "license.terms" for information on usage and
12	# redistribution of this file, and for a DISCLAIMER OF ALL WARRANTIES.
13	# ======================================================================
14	package require Itk
15	package require BLT
16	#package require Img
17
18	option add *VtkViewer.width 4i widgetDefault
19	option add VtkViewercursor crosshair widgetDefault
20	option add *VtkViewer.height 4i widgetDefault
21	option add *VtkViewer.foreground black widgetDefault
22	option add *VtkViewer.controlBackground gray widgetDefault
23	option add *VtkViewer.controlDarkBackground #999999 widgetDefault
24	option add *VtkViewer.plotBackground black widgetDefault
25	option add *VtkViewer.plotForeground white widgetDefault
26	option add *VtkViewer.font \
27	--helvetica-medium-r-normal--12-* widgetDefault
28
29	# must use this name -- plugs into Rappture::resources::load
30	proc VtkViewer_init_resources {} {
31	Rappture::resources::register \
32	vtkvis_server Rappture::VtkViewer::SetServerList
33	}
34
35	itcl::class Rappture::VtkViewer {
36	inherit Rappture::VisViewer
37
38	itk_option define -plotforeground plotForeground Foreground ""
39	itk_option define -plotbackground plotBackground Background ""
40
41	constructor { hostlist args } {
42	Rappture::VisViewer::constructor $hostlist
43	} {
44	# defined below
45	}
46	destructor {
47	# defined below
48	}
49	public proc SetServerList { namelist } {
50	Rappture::VisViewer::SetServerList "vtkvis" $namelist
51	}
52	public method add {dataobj {settings ""}}
53	public method camera {option args}
54	public method delete {args}
55	public method disconnect {}
56	public method download {option args}
57	public method get {args}
58	public method isconnected {}
59	public method limits { colormap }
60	public method parameters {title args} {
61	# do nothing
62	}
63	public method scale {args}
64
65	protected method Connect {}
66	protected method CurrentDatasets {args}
67	protected method Disconnect {}
68	protected method DoResize {}
69	protected method DoRotate {}
70	protected method AdjustSetting {what {value ""}}
71	protected method InitSettings { args }
72	protected method Pan {option x y}
73	protected method Pick {x y}
74	protected method Rebuild {}
75	protected method ReceiveDataset { args }
76	protected method ReceiveImage { args }
77	protected method ReceiveLegend { colormap title vmin vmax size }
78	protected method Rotate {option x y}
79	protected method Zoom {option}
80
81	# The following methods are only used by this class.
82	private method BuildAxisTab {}
83	private method BuildCameraTab {}
84	private method BuildColormap { name styles }
85	private method BuildCutawayTab {}
86	private method BuildDownloadPopup { widget command }
87	private method BuildGlyphsTab {}
88	private method BuildMoleculeTab {}
89	private method BuildPolydataTab {}
90	private method ChangeColormap { dataobj comp color }
91	private method DrawLegend {}
92	private method EnterLegend { x y }
93	private method EventuallyResize { w h }
94	private method EventuallyRotate { q }
95	private method EventuallySetAtomScale { args }
96	private method EventuallySetBondScale { args }
97	private method EventuallySetMoleculeOpacity { args }
98	private method EventuallySetMoleculeQuality { args }
99	private method EventuallySetPolydataOpacity { args }
100	private method GetImage { args }
101	private method GetVtkData { args }
102	private method IsValidObject { dataobj }
103	private method LeaveLegend {}
104	private method MotionLegend { x y }
105	private method PanCamera {}
106	private method RequestLegend {}
107	private method SetAtomScale {}
108	private method SetBondScale {}
109	private method SetColormap { dataobj comp }
110	private method SetLegendTip { x y }
111	private method SetMoleculeOpacity {}
112	private method SetMoleculeQuality {}
113	private method SetObjectStyle { dataobj comp }
114	private method SetOpacity { dataset }
115	private method SetOrientation { side }
116	private method SetPolydataOpacity {}
117	private method Slice {option args}
118
119	private variable _arcball ""
120	private variable _dlist ""; # list of data objects
121	private variable _obj2datasets
122	private variable _obj2ovride; # maps dataobj => style override
123	private variable _datasets; # contains all the dataobj-component
124	# datasets in the server
125	private variable _colormaps; # contains all the colormaps
126	# in the server.
127	private variable _dataset2style; # maps dataobj-component to transfunc
128	private variable _style2datasets; # maps tf back to list of
129	# dataobj-components using the tf.
130	private variable _click; # info used for rotate operations
131	private variable _limits; # autoscale min/max for all axes
132	private variable _view; # view params for 3D view
133	private variable _settings
134	private variable _style; # Array of current component styles.
135	private variable _initialStyle; # Array of initial component styles.
136	private variable _axis
137	private variable _reset 1; # Indicates that server was reset and
138	# needs to be reinitialized.
139	private variable _haveGlyphs 0
140	private variable _haveMolecules 0
141	private variable _havePolydata 0
142
143	private variable _first "" ;# This is the topmost dataset.
144	private variable _start 0
145	private variable _title ""
146
147	common _downloadPopup ;# download options from popup
148	private common _hardcopy
149	private variable _width 0
150	private variable _height 0
151	private variable _resizePending 0
152	private variable _rotatePending 0
153	private variable _atomScalePending 0
154	private variable _bondScalePending 0
155	private variable _moleculeOpacityPending 0
156	private variable _moleculeQualityPending 0
157	private variable _polydataOpacityPending 0
158	private variable _glyphsOpacityPending 0
159	private variable _rotateDelay 150
160	private variable _scaleDelay 100
161	}
162
163	itk::usual VtkViewer {
164	keep -background -foreground -cursor -font
165	keep -plotbackground -plotforeground
166	}
167
168	# ----------------------------------------------------------------------
169	# CONSTRUCTOR
170	# ----------------------------------------------------------------------
171	itcl::body Rappture::VtkViewer::constructor {hostlist args} {
172	package require vtk
173	set _serverType "vtkvis"
174
175	# Rebuild event
176	$_dispatcher register !rebuild
177	$_dispatcher dispatch $this !rebuild "[itcl::code $this Rebuild]; list"
178
179	# Resize event
180	$_dispatcher register !resize
181	$_dispatcher dispatch $this !resize "[itcl::code $this DoResize]; list"
182
183	# Rotate event
184	$_dispatcher register !rotate
185	$_dispatcher dispatch $this !rotate "[itcl::code $this DoRotate]; list"
186
187	# Atom scale event
188	$_dispatcher register !atomscale
189	$_dispatcher dispatch $this !atomscale \
190	"[itcl::code $this SetAtomScale]; list"
191
192	# Bond scale event
193	$_dispatcher register !bondscale
194	$_dispatcher dispatch $this !bondscale \
195	"[itcl::code $this SetBondScale]; list"
196
197	# Molecule opacity event
198	$_dispatcher register !moleculeOpacity
199	$_dispatcher dispatch $this !moleculeOpacity \
200	"[itcl::code $this SetMoleculeOpacity]; list"
201
202	# Molecule quality event
203	$_dispatcher register !moleculeQuality
204	$_dispatcher dispatch $this !moleculeQuality \
205	"[itcl::code $this SetMoleculeQuality]; list"
206
207	# Polydata opacity event
208	$_dispatcher register !polydataOpacity
209	$_dispatcher dispatch $this !polydataOpacity \
210	"[itcl::code $this SetPolydataOpacity]; list"
211	#
212	# Populate parser with commands handle incoming requests
213	#
214	$_parser alias image [itcl::code $this ReceiveImage]
215	$_parser alias dataset [itcl::code $this ReceiveDataset]
216	$_parser alias legend [itcl::code $this ReceiveLegend]
217
218	# Initialize the view to some default parameters.
219	array set _view {
220	qw 0.853553
221	qx -0.353553
222	qy 0.353553
223	qz 0.146447
224	zoom 1.0
225	xpan 0
226	ypan 0
227	ortho 0
228	}
229	set _arcball [blt::arcball create 100 100]
230	set q [list $_view(qw) $_view(qx) $_view(qy) $_view(qz)]
231	$_arcball quaternion $q
232
233	set _limits(zmin) 0.0
234	set _limits(zmax) 1.0
235
236	array set _axis [subst {
237	xgrid 0
238	ygrid 0
239	zgrid 0
240	xcutaway 0
241	ycutaway 0
242	zcutaway 0
243	xposition 0
244	yposition 0
245	zposition 0
246	xdirection -1
247	ydirection -1
248	zdirection -1
249	visible 1
250	labels 1
251	}]
252	array set _settings [subst {
253	legend 1
254	glyphs-edges 0
255	glyphs-lighting 1
256	glyphs-opacity 100
257	glyphs-outline 0
258	glyphs-palette BCGYR
259	glyphs-visible 1
260	glyphs-wireframe 0
261	polydata-edges 0
262	polydata-lighting 1
263	polydata-opacity 100
264	polydata-outline 0
265	polydata-palette BCGYR
266	polydata-visible 1
267	polydata-wireframe 0
268	molecule-atomscale 0.3
269	molecule-bondscale 0.075
270	molecule-bondstyle "cylinder"
271	molecule-atoms-visible 1
272	molecule-bonds-visible 1
273	molecule-edges 0
274	molecule-labels 0
275	molecule-lighting 1
276	molecule-opacity 100
277	molecule-outline 0
278	molecule-palette elementDefault
279	molecule-quality 1.0
280	molecule-representation "Ball and Stick"
281	molecule-rscale "covalent"
282	molecule-visible 1
283	molecule-wireframe 0
284	}]
285	itk_component add view {
286	canvas $itk_component(plotarea).view \
287	-highlightthickness 0 -borderwidth 0
288	} {
289	usual
290	ignore -highlightthickness -borderwidth -background
291	}
292
293	set c $itk_component(view)
294	bind $c <Configure> [itcl::code $this EventuallyResize %w %h]
295	bind $c <4> [itcl::code $this Zoom in 0.25]
296	bind $c <5> [itcl::code $this Zoom out 0.25]
297	bind $c <KeyPress-Left> [list %W xview scroll 10 units]
298	bind $c <KeyPress-Right> [list %W xview scroll -10 units]
299	bind $c <KeyPress-Up> [list %W yview scroll 10 units]
300	bind $c <KeyPress-Down> [list %W yview scroll -10 units]
301	bind $c <Enter> "focus %W"
302	bind $c <Control-F1> [itcl::code $this ToggleConsole]
303
304	# Fix the scrollregion in case we go off screen
305	$c configure -scrollregion [$c bbox all]
306
307	set _map(id) [$c create image 0 0 -anchor nw -image $_image(plot)]
308	set _map(cwidth) -1
309	set _map(cheight) -1
310	set _map(zoom) 1.0
311	set _map(original) ""
312
313	set f [$itk_component(main) component controls]
314	itk_component add reset {
315	button $f.reset -borderwidth 1 -padx 1 -pady 1 \
316	-highlightthickness 0 \
317	-image [Rappture::icon reset-view] \
318	-command [itcl::code $this Zoom reset]
319	} {
320	usual
321	ignore -highlightthickness
322	}
323	pack $itk_component(reset) -side top -padx 2 -pady 2
324	Rappture::Tooltip::for $itk_component(reset) \
325	"Reset the view to the default zoom level"
326
327	itk_component add zoomin {
328	button $f.zin -borderwidth 1 -padx 1 -pady 1 \
329	-highlightthickness 0 \
330	-image [Rappture::icon zoom-in] \
331	-command [itcl::code $this Zoom in]
332	} {
333	usual
334	ignore -highlightthickness
335	}
336	pack $itk_component(zoomin) -side top -padx 2 -pady 2
337	Rappture::Tooltip::for $itk_component(zoomin) "Zoom in"
338
339	itk_component add zoomout {
340	button $f.zout -borderwidth 1 -padx 1 -pady 1 \
341	-highlightthickness 0 \
342	-image [Rappture::icon zoom-out] \
343	-command [itcl::code $this Zoom out]
344	} {
345	usual
346	ignore -highlightthickness
347	}
348	pack $itk_component(zoomout) -side top -padx 2 -pady 2
349	Rappture::Tooltip::for $itk_component(zoomout) "Zoom out"
350
351	BuildAxisTab
352	#BuildCutawayTab
353	BuildCameraTab
354
355	# Legend
356
357	set _image(legend) [image create photo]
358	itk_component add legend {
359	canvas $itk_component(plotarea).legend -width 50 -highlightthickness 0
360	} {
361	usual
362	ignore -highlightthickness
363	rename -background -plotbackground plotBackground Background
364	}
365
366	# Hack around the Tk panewindow. The problem is that the requested
367	# size of the 3d view isn't set until an image is retrieved from
368	# the server. So the panewindow uses the tiny size.
369	set w 10000
370	pack forget $itk_component(view)
371	blt::table $itk_component(plotarea) \
372	0,0 $itk_component(view) -fill both -reqwidth $w
373	blt::table configure $itk_component(plotarea) c1 -resize none
374
375	# Bindings for rotation via mouse
376	bind $itk_component(view) <ButtonPress-1> \
377	[itcl::code $this Rotate click %x %y]
378	bind $itk_component(view) <B1-Motion> \
379	[itcl::code $this Rotate drag %x %y]
380	bind $itk_component(view) <ButtonRelease-1> \
381	[itcl::code $this Rotate release %x %y]
382	bind $itk_component(view) <Configure> \
383	[itcl::code $this EventuallyResize %w %h]
384
385	# Bindings for panning via mouse
386	bind $itk_component(view) <ButtonPress-2> \
387	[itcl::code $this Pan click %x %y]
388	bind $itk_component(view) <B2-Motion> \
389	[itcl::code $this Pan drag %x %y]
390	bind $itk_component(view) <ButtonRelease-2> \
391	[itcl::code $this Pan release %x %y]
392
393	#bind $itk_component(view) <ButtonRelease-3> \
394	# [itcl::code $this Pick %x %y]
395
396	# Bindings for panning via keyboard
397	bind $itk_component(view) <KeyPress-Left> \
398	[itcl::code $this Pan set -10 0]
399	bind $itk_component(view) <KeyPress-Right> \
400	[itcl::code $this Pan set 10 0]
401	bind $itk_component(view) <KeyPress-Up> \
402	[itcl::code $this Pan set 0 -10]
403	bind $itk_component(view) <KeyPress-Down> \
404	[itcl::code $this Pan set 0 10]
405	bind $itk_component(view) <Shift-KeyPress-Left> \
406	[itcl::code $this Pan set -2 0]
407	bind $itk_component(view) <Shift-KeyPress-Right> \
408	[itcl::code $this Pan set 2 0]
409	bind $itk_component(view) <Shift-KeyPress-Up> \
410	[itcl::code $this Pan set 0 -2]
411	bind $itk_component(view) <Shift-KeyPress-Down> \
412	[itcl::code $this Pan set 0 2]
413
414	# Bindings for zoom via keyboard
415	bind $itk_component(view) <KeyPress-Prior> \
416	[itcl::code $this Zoom out]
417	bind $itk_component(view) <KeyPress-Next> \
418	[itcl::code $this Zoom in]
419
420	bind $itk_component(view) <Enter> "focus $itk_component(view)"
421
422	if {[string equal "x11" [tk windowingsystem]]} {
423	# Bindings for zoom via mouse
424	bind $itk_component(view) <4> [itcl::code $this Zoom out]
425	bind $itk_component(view) <5> [itcl::code $this Zoom in]
426	}
427
428	set _image(download) [image create photo]
429
430	eval itk_initialize $args
431	Connect
432	}
433
434	# ----------------------------------------------------------------------
435	# DESTRUCTOR
436	# ----------------------------------------------------------------------
437	itcl::body Rappture::VtkViewer::destructor {} {
438	Disconnect
439	$_dispatcher cancel !rebuild
440	$_dispatcher cancel !resize
441	$_dispatcher cancel !rotate
442	image delete $_image(plot)
443	image delete $_image(download)
444	catch { blt::arcball destroy $_arcball }
445	}
446
447	itcl::body Rappture::VtkViewer::DoResize {} {
448	if { $_width < 2 } {
449	set _width 500
450	}
451	if { $_height < 2 } {
452	set _height 500
453	}
454	set _start [clock clicks -milliseconds]
455	SendCmd "screen size $_width $_height"
456
457	set _resizePending 0
458	}
459
460	itcl::body Rappture::VtkViewer::DoRotate {} {
461	set q [list $_view(qw) $_view(qx) $_view(qy) $_view(qz)]
462	SendCmd "camera orient $q"
463	set _rotatePending 0
464	}
465
466	itcl::body Rappture::VtkViewer::EventuallyResize { w h } {
467	set _width $w
468	set _height $h
469	$_arcball resize $w $h
470	if { !$_resizePending } {
471	set _resizePending 1
472	$_dispatcher event -after 200 !resize
473	}
474	}
475
476	itcl::body Rappture::VtkViewer::EventuallyRotate { q } {
477	foreach { _view(qw) _view(qx) _view(qy) _view(qz) } $q break
478	if { !$_rotatePending } {
479	set _rotatePending 1
480	$_dispatcher event -after $_rotateDelay !rotate
481	}
482	}
483
484	itcl::body Rappture::VtkViewer::SetAtomScale {} {
485	SendCmd "molecule ascale $_settings(molecule-atomscale)"
486	set _atomScalePending 0
487	}
488
489	itcl::body Rappture::VtkViewer::SetBondScale {} {
490	SendCmd "molecule bscale $_settings(molecule-bondscale)"
491	set _bondScalePending 0
492	}
493
494	itcl::body Rappture::VtkViewer::SetMoleculeOpacity {} {
495	set _moleculeOpacityPending 0
496	foreach dataset [CurrentDatasets -visible $_first] {
497	foreach { dataobj comp } [split $dataset -] break
498	if { [$dataobj type $comp] == "molecule" } {
499	SetOpacity $dataset
500	}
501	}
502	}
503
504	itcl::body Rappture::VtkViewer::SetMoleculeQuality {} {
505	SendCmd [subst {molecule aquality $_settings(molecule-quality)
506	molecule bquality $_settings(molecule-quality)}]
507	set _moleculeQualityPending 0
508	}
509
510	itcl::body Rappture::VtkViewer::SetPolydataOpacity {} {
511	set _polydataOpacityPending 0
512	foreach dataset [CurrentDatasets -visible $_first] {
513	foreach { dataobj comp } [split $dataset -] break
514	if { [$dataobj type $comp] == "polydata" } {
515	SetOpacity $dataset
516	}
517	}
518	}
519
520	itcl::body Rappture::VtkViewer::EventuallySetAtomScale { args } {
521	if { !$_atomScalePending } {
522	set _atomScalePending 1
523	$_dispatcher event -after $_scaleDelay !atomscale
524	}
525	}
526
527	itcl::body Rappture::VtkViewer::EventuallySetBondScale { args } {
528	if { !$_bondScalePending } {
529	set _bondScalePending 1
530	$_dispatcher event -after $_scaleDelay !bondscale
531	}
532	}
533
534	itcl::body Rappture::VtkViewer::EventuallySetMoleculeOpacity { args } {
535	if { !$_moleculeOpacityPending } {
536	set _moleculeOpacityPending 1
537	$_dispatcher event -after $_scaleDelay !moleculeOpacity
538	}
539	}
540
541	itcl::body Rappture::VtkViewer::EventuallySetMoleculeQuality { args } {
542	if { !$_moleculeQualityPending } {
543	set _moleculeQualityPending 1
544	$_dispatcher event -after $_scaleDelay !moleculeQuality
545	}
546	}
547
548	itcl::body Rappture::VtkViewer::EventuallySetPolydataOpacity { args } {
549	if { !$_polydataOpacityPending } {
550	set _polydataOpacityPending 1
551	$_dispatcher event -after $_scaleDelay !polydataOpacity
552	}
553	}
554
555	# ----------------------------------------------------------------------
556	# USAGE: add <dataobj> ?<settings>?
557	#
558	# Clients use this to add a data object to the plot. The optional
559	# <settings> are used to configure the plot. Allowed settings are
560	# -color, -brightness, -width, -linestyle, and -raise.
561	# ----------------------------------------------------------------------
562	itcl::body Rappture::VtkViewer::add {dataobj {settings ""}} {
563	array set params {
564	-color auto
565	-width 1
566	-linestyle solid
567	-brightness 0
568	-raise 0
569	-description ""
570	-param ""
571	-type ""
572	}
573	array set params $settings
574	set params(-description) ""
575	set params(-param) ""
576	array set params $settings
577
578	if {$params(-color) == "auto" \|\| $params(-color) == "autoreset"} {
579	# can't handle -autocolors yet
580	set params(-color) black
581	}
582	set pos [lsearch -exact $_dlist $dataobj]
583	if {$pos < 0} {
584	lappend _dlist $dataobj
585	}
586	set _obj2ovride($dataobj-color) $params(-color)
587	set _obj2ovride($dataobj-width) $params(-width)
588	set _obj2ovride($dataobj-raise) $params(-raise)
589	$_dispatcher event -idle !rebuild
590	}
591
592	# ----------------------------------------------------------------------
593	# USAGE: delete ?<dataobj1> <dataobj2> ...?
594	#
595	# Clients use this to delete a dataobj from the plot. If no dataobjs
596	# are specified, then all dataobjs are deleted. No data objects are
597	# deleted. They are only removed from the display list.
598	#
599	# ----------------------------------------------------------------------
600	itcl::body Rappture::VtkViewer::delete {args} {
601	if { [llength $args] == 0} {
602	set args $_dlist
603	}
604	# Delete all specified dataobjs
605	set changed 0
606	foreach dataobj $args {
607	set pos [lsearch -exact $_dlist $dataobj]
608	if { $pos < 0 } {
609	continue; # Don't know anything about it.
610	}
611	# Remove it from the dataobj list.
612	set _dlist [lreplace $_dlist $pos $pos]
613	array unset _obj2ovride $dataobj-*
614	array unset _settings $dataobj-*
615	set changed 1
616	}
617	# If anything changed, then rebuild the plot
618	if { $changed } {
619	$_dispatcher event -idle !rebuild
620	}
621	}
622
623	# ----------------------------------------------------------------------
624	# USAGE: get ?-objects?
625	# USAGE: get ?-visible?
626	# USAGE: get ?-image view?
627	#
628	# Clients use this to query the list of objects being plotted, in
629	# order from bottom to top of this result. The optional "-image"
630	# flag can also request the internal images being shown.
631	# ----------------------------------------------------------------------
632	itcl::body Rappture::VtkViewer::get {args} {
633	if {[llength $args] == 0} {
634	set args "-objects"
635	}
636
637	set op [lindex $args 0]
638	switch -- $op {
639	"-objects" {
640	# put the dataobj list in order according to -raise options
641	set dlist {}
642	foreach dataobj $_dlist {
643	if { ![IsValidObject $dataobj] } {
644	continue
645	}
646	if {[info exists _obj2ovride($dataobj-raise)] &&
647	$_obj2ovride($dataobj-raise)} {
648	set dlist [linsert $dlist 0 $dataobj]
649	} else {
650	lappend dlist $dataobj
651	}
652	}
653	return $dlist
654	}
655	"-visible" {
656	set dlist {}
657	foreach dataobj $_dlist {
658	if { ![IsValidObject $dataobj] } {
659	continue
660	}
661	if { ![info exists _obj2ovride($dataobj-raise)] } {
662	# No setting indicates that the object isn't visible.
663	continue
664	}
665	# Otherwise use the -raise parameter to put the object to
666	# the front of the list.
667	if { $_obj2ovride($dataobj-raise) } {
668	set dlist [linsert $dlist 0 $dataobj]
669	} else {
670	lappend dlist $dataobj
671	}
672	}
673	return $dlist
674	}
675	-image {
676	if {[llength $args] != 2} {
677	error "wrong # args: should be \"get -image view\""
678	}
679	switch -- [lindex $args end] {
680	view {
681	return $_image(plot)
682	}
683	default {
684	error "bad image name \"[lindex $args end]\": should be view"
685	}
686	}
687	}
688	default {
689	error "bad option \"$op\": should be -objects or -image"
690	}
691	}
692	}
693
694	# ----------------------------------------------------------------------
695	# USAGE: scale ?<data1> <data2> ...?
696	#
697	# Sets the default limits for the overall plot according to the
698	# limits of the data for all of the given <data> objects. This
699	# accounts for all objects--even those not showing on the screen.
700	# Because of this, the limits are appropriate for all objects as
701	# the user scans through data in the ResultSet viewer.
702	# ----------------------------------------------------------------------
703	itcl::body Rappture::VtkViewer::scale {args} {
704	foreach dataobj $args {
705	foreach comp [$dataobj components] {
706	set type [$dataobj type $comp]
707	switch -- $type {
708	"polydata" {
709	set _havePolydata 1
710	}
711	"glyphs" {
712	set _haveGlyphs 1
713	}
714	"molecule" {
715	set _haveMolecules 1
716	}
717	}
718	}
719	array set bounds [limits $dataobj]
720	if {![info exists _limits(xmin)] \|\| $_limits(xmin) > $bounds(xmin)} {
721	set _limits(xmin) $bounds(xmin)
722	}
723	if {![info exists _limits(xmax)] \|\| $_limits(xmax) < $bounds(xmax)} {
724	set _limits(xmax) $bounds(xmax)
725	}
726
727	if {![info exists _limits(ymin)] \|\| $_limits(ymin) > $bounds(ymin)} {
728	set _limits(ymin) $bounds(ymin)
729	}
730	if {![info exists _limits(ymax)] \|\| $_limits(ymax) < $bounds(ymax)} {
731	set _limits(ymax) $bounds(ymax)
732	}
733
734	if {![info exists _limits(zmin)] \|\| $_limits(zmin) > $bounds(zmin)} {
735	set _limits(zmin) $bounds(zmin)
736	}
737	if {![info exists _limits(zmax)] \|\| $_limits(zmax) < $bounds(zmax)} {
738	set _limits(zmax) $bounds(zmax)
739	}
740	}
741	if { $_haveGlyphs } {
742	if { ![$itk_component(main) exists "Glyphs Settings"] } {
743	if { [catch { BuildGlyphsTab } errs ] != 0 } {
744	puts stderr "errs=$errs"
745	}
746	}
747	}
748	if { $_havePolydata } {
749	if { ![$itk_component(main) exists "Mesh Settings"] } {
750	if { [catch { BuildPolydataTab } errs ] != 0 } {
751	puts stderr "errs=$errs"
752	}
753	}
754	}
755	if { $_haveMolecules } {
756	if { ![$itk_component(main) exists "Molecule Settings"]} {
757	if { [catch { BuildMoleculeTab } errs ] != 0 } {
758	global errorInfo
759	puts stderr "errs=$errs\nerrorInfo=$errorInfo"
760	}
761	}
762	}
763	}
764
765	# ----------------------------------------------------------------------
766	# USAGE: download coming
767	# USAGE: download controls <downloadCommand>
768	# USAGE: download now
769	#
770	# Clients use this method to create a downloadable representation
771	# of the plot. Returns a list of the form {ext string}, where
772	# "ext" is the file extension (indicating the type of data) and
773	# "string" is the data itself.
774	# ----------------------------------------------------------------------
775	itcl::body Rappture::VtkViewer::download {option args} {
776	switch $option {
777	coming {
778	if {[catch {
779	blt::winop snap $itk_component(plotarea) $_image(download)
780	}]} {
781	$_image(download) configure -width 1 -height 1
782	$_image(download) put #000000
783	}
784	}
785	controls {
786	set popup .vtkviewerdownload
787	if { ![winfo exists .vtkviewerdownload] } {
788	set inner [BuildDownloadPopup $popup [lindex $args 0]]
789	} else {
790	set inner [$popup component inner]
791	}
792	set _downloadPopup(image_controls) $inner.image_frame
793	set num [llength [get]]
794	set num [expr {($num == 1) ? "1 result" : "$num results"}]
795	set word [Rappture::filexfer::label downloadWord]
796	$inner.summary configure -text "$word $num in the following format:"
797	update idletasks ;# Fix initial sizes
798	return $popup
799	}
800	now {
801	set popup .vtkviewerdownload
802	if {[winfo exists .vtkviewerdownload]} {
803	$popup deactivate
804	}
805	switch -- $_downloadPopup(format) {
806	"image" {
807	return [$this GetImage [lindex $args 0]]
808	}
809	"vtk" {
810	return [$this GetVtkData [lindex $args 0]]
811	}
812	}
813	return ""
814	}
815	default {
816	error "bad option \"$option\": should be coming, controls, now"
817	}
818	}
819	}
820
821	# ----------------------------------------------------------------------
822	# USAGE: Connect ?<host:port>,<host:port>...?
823	#
824	# Clients use this method to establish a connection to a new
825	# server, or to reestablish a connection to the previous server.
826	# Any existing connection is automatically closed.
827	# ----------------------------------------------------------------------
828	itcl::body Rappture::VtkViewer::Connect {} {
829	global readyForNextFrame
830	set readyForNextFrame 1
831	set _hosts [GetServerList "vtkvis"]
832	if { "" == $_hosts } {
833	return 0
834	}
835	set result [VisViewer::Connect $_hosts]
836	if { $result } {
837	if { $_reportClientInfo } {
838	# Tell the server the viewer, hub, user and session.
839	# Do this immediately on connect before buffering any commands
840	global env
841
842	set info {}
843	set user "???"
844	if { [info exists env(USER)] } {
845	set user $env(USER)
846	}
847	set session "???"
848	if { [info exists env(SESSION)] } {
849	set session $env(SESSION)
850	}
851	lappend info "hub" [exec hostname]
852	lappend info "client" "vtkviewer"
853	lappend info "user" $user
854	lappend info "session" $session
855	SendCmd "clientinfo [list $info]"
856	}
857
858	set w [winfo width $itk_component(view)]
859	set h [winfo height $itk_component(view)]
860	EventuallyResize $w $h
861	}
862	return $result
863	}
864
865	#
866	# isconnected --
867	#
868	# Indicates if we are currently connected to the visualization server.
869	#
870	itcl::body Rappture::VtkViewer::isconnected {} {
871	return [VisViewer::IsConnected]
872	}
873
874	#
875	# disconnect --
876	#
877	itcl::body Rappture::VtkViewer::disconnect {} {
878	Disconnect
879	set _reset 1
880	}
881
882	#
883	# Disconnect --
884	#
885	# Clients use this method to disconnect from the current rendering
886	# server.
887	#
888	itcl::body Rappture::VtkViewer::Disconnect {} {
889	VisViewer::Disconnect
890
891	# disconnected -- no more data sitting on server
892	array unset _datasets
893	array unset _data
894	array unset _colormaps
895	global readyForNextFrame
896	set readyForNextFrame 1
897	}
898
899	# ----------------------------------------------------------------------
900	# USAGE: ReceiveImage -bytes <size> -type <type> -token <token>
901	#
902	# Invoked automatically whenever the "image" command comes in from
903	# the rendering server. Indicates that binary image data with the
904	# specified <size> will follow.
905	# ----------------------------------------------------------------------
906	itcl::body Rappture::VtkViewer::ReceiveImage { args } {
907	global readyForNextFrame
908	set readyForNextFrame 1
909	array set info {
910	-token "???"
911	-bytes 0
912	-type image
913	}
914	array set info $args
915	set bytes [ReceiveBytes $info(-bytes)]
916	if { $info(-type) == "image" } {
917	if 0 {
918	set f [open "last.ppm" "w"]
919	fconfigure $f -encoding binary
920	puts -nonewline $f $bytes
921	close $f
922	}
923	$_image(plot) configure -data $bytes
924	set time [clock seconds]
925	set date [clock format $time]
926	if { $_start > 0 } {
927	set finish [clock clicks -milliseconds]
928	set _start 0
929	}
930	} elseif { $info(type) == "print" } {
931	set tag $this-print-$info(-token)
932	set _hardcopy($tag) $bytes
933	}
934	}
935
936	#
937	# ReceiveDataset --
938	#
939	itcl::body Rappture::VtkViewer::ReceiveDataset { args } {
940	if { ![isconnected] } {
941	return
942	}
943	set option [lindex $args 0]
944	switch -- $option {
945	"scalar" {
946	set option [lindex $args 1]
947	switch -- $option {
948	"world" {
949	foreach { x y z value tag } [lrange $args 2 end] break
950	}
951	"pixel" {
952	foreach { x y value tag } [lrange $args 2 end] break
953	}
954	}
955	}
956	"vector" {
957	set option [lindex $args 1]
958	switch -- $option {
959	"world" {
960	foreach { x y z vx vy vz tag } [lrange $args 2 end] break
961	}
962	"pixel" {
963	foreach { x y vx vy vz tag } [lrange $args 2 end] break
964	}
965	}
966	}
967	"names" {
968	foreach { name } [lindex $args 1] {
969	#puts stderr "Dataset: $name"
970	}
971	}
972	default {
973	error "unknown dataset option \"$option\" from server"
974	}
975	}
976	}
977
978	# ----------------------------------------------------------------------
979	# USAGE: Rebuild
980	#
981	# Called automatically whenever something changes that affects the
982	# data in the widget. Clears any existing data and rebuilds the
983	# widget to display new data.
984	# ----------------------------------------------------------------------
985	itcl::body Rappture::VtkViewer::Rebuild {} {
986
987	set w [winfo width $itk_component(view)]
988	set h [winfo height $itk_component(view)]
989	if { $w < 2 \|\| $h < 2 } {
990	$_dispatcher event -idle !rebuild
991	return
992	}
993
994	# Turn on buffering of commands to the server. We don't want to
995	# be preempted by a server disconnect/reconnect (which automatically
996	# generates a new call to Rebuild).
997	StartBufferingCommands
998
999	if { $_reset } {
1000	set _width $w
1001	set _height $h
1002	$_arcball resize $w $h
1003	DoResize
1004	InitSettings axis-xgrid axis-ygrid axis-zgrid axis-mode \
1005	axis-visible axis-labels
1006
1007	StopBufferingCommands
1008	SendCmd "imgflush"
1009	StartBufferingCommands
1010	}
1011
1012	set _limits(zmin) ""
1013	set _limits(zmax) ""
1014	set _first ""
1015	SendCmd "dataset visible 0"
1016	set count 0
1017	foreach dataobj [get -objects] {
1018	if { [info exists _obj2ovride($dataobj-raise)] && $_first == "" } {
1019	set _first $dataobj
1020	}
1021	set _obj2datasets($dataobj) ""
1022	foreach comp [$dataobj components] {
1023	set tag $dataobj-$comp
1024	if { ![info exists _datasets($tag)] } {
1025	set bytes [$dataobj data $comp]
1026	if { $bytes == "" } {
1027	continue
1028	}
1029	set length [string length $bytes]
1030	if { $_reportClientInfo } {
1031	set info {}
1032	lappend info "tool_id" [$dataobj hints toolId]
1033	lappend info "tool_name" [$dataobj hints toolName]
1034	lappend info "tool_version" [$dataobj hints toolRevision]
1035	lappend info "tool_title" [$dataobj hints toolTitle]
1036	lappend info "dataset_label" [$dataobj hints label]
1037	lappend info "dataset_size" $length
1038	lappend info "dataset_tag" $tag
1039	SendCmd [list "clientinfo" $info]
1040	}
1041	SendCmd "dataset add $tag data follows $length"
1042	append _outbuf $bytes
1043	set _datasets($tag) 1
1044	SetObjectStyle $dataobj $comp
1045	}
1046	lappend _obj2datasets($dataobj) $tag
1047	set type [$dataobj type $comp]
1048	if { [info exists _obj2ovride($dataobj-raise)] } {
1049	SendCmd "$type visible 1 $tag"
1050	SetOpacity $tag
1051	}
1052	}
1053	}
1054	if {"" != $_first} {
1055	set location [$_first hints camera]
1056	if { $location != "" } {
1057	array set view $location
1058	}
1059
1060	foreach axis { x y z } {
1061	set label [$_first hints ${axis}label]
1062	if { $label != "" } {
1063	SendCmd [list axis name $axis $label]
1064	}
1065	set units [$_first hints ${axis}units]
1066	if { $units != "" } {
1067	SendCmd [list axis units $axis $units]
1068	}
1069	}
1070	}
1071	if { $_haveGlyphs } {
1072	InitSettings glyphs-outline
1073	}
1074	if { $_haveMolecules } {
1075	InitSettings molecule-outline
1076	}
1077	if { $_havePolydata } {
1078	InitSettings polydata-outline
1079	}
1080	if { $_reset } {
1081	if { $_haveGlyphs } {
1082	InitSettings glyphs-edges glyphs-lighting glyphs-opacity \
1083	glyphs-visible glyphs-wireframe
1084	}
1085	if { $_havePolydata } {
1086	InitSettings polydata-edges polydata-lighting polydata-opacity \
1087	polydata-visible polydata-wireframe
1088	}
1089	if { $_haveMolecules } {
1090	InitSettings molecule-edges molecule-lighting molecule-opacity \
1091	molecule-visible molecule-wireframe molecule-labels
1092	}
1093
1094	set q [list $_view(qw) $_view(qx) $_view(qy) $_view(qz)]
1095	$_arcball quaternion $q
1096	SendCmd "camera reset"
1097	if { $_view(ortho)} {
1098	SendCmd "camera mode ortho"
1099	} else {
1100	SendCmd "camera mode persp"
1101	}
1102	DoRotate
1103	PanCamera
1104	Zoom reset
1105	}
1106
1107	if { $_haveMolecules } {
1108	#InitSettings molecule-representation
1109	}
1110	set _reset 0
1111	global readyForNextFrame
1112	set readyForNextFrame 0; # Don't advance to the next frame
1113	# until we get an image.
1114
1115	# Actually write the commands to the server socket. If it fails, we don't
1116	# care. We're finished here.
1117	blt::busy hold $itk_component(hull)
1118	StopBufferingCommands
1119	blt::busy release $itk_component(hull)
1120	}
1121
1122	# ----------------------------------------------------------------------
1123	# USAGE: CurrentDatasets ?-all -visible? ?dataobjs?
1124	#
1125	# Returns a list of server IDs for the current datasets being displayed. This
1126	# is normally a single ID, but it might be a list of IDs if the current data
1127	# object has multiple components.
1128	# ----------------------------------------------------------------------
1129	itcl::body Rappture::VtkViewer::CurrentDatasets {args} {
1130	set flag [lindex $args 0]
1131	switch -- $flag {
1132	"-all" {
1133	if { [llength $args] > 1 } {
1134	error "CurrentDatasets: can't specify dataobj after \"-all\""
1135	}
1136	set dlist [get -objects]
1137	}
1138	"-visible" {
1139	if { [llength $args] > 1 } {
1140	set dlist {}
1141	set args [lrange $args 1 end]
1142	foreach dataobj $args {
1143	if { [info exists _obj2ovride($dataobj-raise)] } {
1144	lappend dlist $dataobj
1145	}
1146	}
1147	} else {
1148	set dlist [get -visible]
1149	}
1150	}
1151	default {
1152	set dlist $args
1153	}
1154	}
1155	set rlist ""
1156	foreach dataobj $dlist {
1157	foreach comp [$dataobj components] {
1158	set tag $dataobj-$comp
1159	if { [info exists _datasets($tag)] && $_datasets($tag) } {
1160	lappend rlist $tag
1161	}
1162	}
1163	}
1164	return $rlist
1165	}
1166
1167	# ----------------------------------------------------------------------
1168	# USAGE: Zoom in
1169	# USAGE: Zoom out
1170	# USAGE: Zoom reset
1171	#
1172	# Called automatically when the user clicks on one of the zoom
1173	# controls for this widget. Changes the zoom for the current view.
1174	# ----------------------------------------------------------------------
1175	itcl::body Rappture::VtkViewer::Zoom {option} {
1176	switch -- $option {
1177	"in" {
1178	set _view(zoom) [expr {$_view(zoom)*1.25}]
1179	SendCmd "camera zoom $_view(zoom)"
1180	}
1181	"out" {
1182	set _view(zoom) [expr {$_view(zoom)*0.8}]
1183	SendCmd "camera zoom $_view(zoom)"
1184	}
1185	"reset" {
1186	array set _view {
1187	qw 0.853553
1188	qx -0.353553
1189	qy 0.353553
1190	qz 0.146447
1191	zoom 1.0
1192	xpan 0
1193	ypan 0
1194	}
1195	if { $_first != "" } {
1196	set location [$_first hints camera]
1197	if { $location != "" } {
1198	array set _view $location
1199	}
1200	}
1201	set q [list $_view(qw) $_view(qx) $_view(qy) $_view(qz)]
1202	$_arcball quaternion $q
1203	DoRotate
1204	SendCmd "camera reset"
1205	}
1206	}
1207	}
1208
1209	itcl::body Rappture::VtkViewer::PanCamera {} {
1210	set x $_view(xpan)
1211	set y $_view(ypan)
1212	SendCmd "camera pan $x $y"
1213	}
1214
1215	# ----------------------------------------------------------------------
1216	# USAGE: Rotate click <x> <y>
1217	# USAGE: Rotate drag <x> <y>
1218	# USAGE: Rotate release <x> <y>
1219	#
1220	# Called automatically when the user clicks/drags/releases in the
1221	# plot area. Moves the plot according to the user's actions.
1222	# ----------------------------------------------------------------------
1223	itcl::body Rappture::VtkViewer::Rotate {option x y} {
1224	switch -- $option {
1225	"click" {
1226	$itk_component(view) configure -cursor fleur
1227	set _click(x) $x
1228	set _click(y) $y
1229	}
1230	"drag" {
1231	if {[array size _click] == 0} {
1232	Rotate click $x $y
1233	} else {
1234	set w [winfo width $itk_component(view)]
1235	set h [winfo height $itk_component(view)]
1236	if {$w <= 0 \|\| $h <= 0} {
1237	return
1238	}
1239
1240	if {[catch {
1241	# this fails sometimes for no apparent reason
1242	set dx [expr {double($x-$_click(x))/$w}]
1243	set dy [expr {double($y-$_click(y))/$h}]
1244	}]} {
1245	return
1246	}
1247	if { $dx == 0 && $dy == 0 } {
1248	return
1249	}
1250	set q [$_arcball rotate $x $y $_click(x) $_click(y)]
1251	EventuallyRotate $q
1252	set _click(x) $x
1253	set _click(y) $y
1254	}
1255	}
1256	"release" {
1257	Rotate drag $x $y
1258	$itk_component(view) configure -cursor ""
1259	catch {unset _click}
1260	}
1261	default {
1262	error "bad option \"$option\": should be click, drag, release"
1263	}
1264	}
1265	}
1266
1267	itcl::body Rappture::VtkViewer::Pick {x y} {
1268	foreach tag [CurrentDatasets -visible] {
1269	SendCmd "dataset getscalar pixel $x $y $tag"
1270	}
1271	}
1272
1273	# ----------------------------------------------------------------------
1274	# USAGE: $this Pan click x y
1275	# $this Pan drag x y
1276	# $this Pan release x y
1277	#
1278	# Called automatically when the user clicks on one of the zoom
1279	# controls for this widget. Changes the zoom for the current view.
1280	# ----------------------------------------------------------------------
1281	itcl::body Rappture::VtkViewer::Pan {option x y} {
1282	switch -- $option {
1283	"set" {
1284	set w [winfo width $itk_component(view)]
1285	set h [winfo height $itk_component(view)]
1286	set x [expr $x / double($w)]
1287	set y [expr $y / double($h)]
1288	set _view(xpan) [expr $_view(xpan) + $x]
1289	set _view(ypan) [expr $_view(ypan) + $y]
1290	PanCamera
1291	return
1292	}
1293	"click" {
1294	set _click(x) $x
1295	set _click(y) $y
1296	$itk_component(view) configure -cursor hand1
1297	}
1298	"drag" {
1299	if { ![info exists _click(x)] } {
1300	set _click(x) $x
1301	}
1302	if { ![info exists _click(y)] } {
1303	set _click(y) $y
1304	}
1305	set w [winfo width $itk_component(view)]
1306	set h [winfo height $itk_component(view)]
1307	set dx [expr ($_click(x) - $x)/double($w)]
1308	set dy [expr ($_click(y) - $y)/double($h)]
1309	set _click(x) $x
1310	set _click(y) $y
1311	set _view(xpan) [expr $_view(xpan) - $dx]
1312	set _view(ypan) [expr $_view(ypan) - $dy]
1313	PanCamera
1314	}
1315	"release" {
1316	Pan drag $x $y
1317	$itk_component(view) configure -cursor ""
1318	}
1319	default {
1320	error "unknown option \"$option\": should set, click, drag, or release"
1321	}
1322	}
1323	}
1324
1325	# ----------------------------------------------------------------------
1326	# USAGE: InitSettings <what> ?<value>?
1327	#
1328	# Used internally to update rendering settings whenever parameters
1329	# change in the popup settings panel. Sends the new settings off
1330	# to the back end.
1331	# ----------------------------------------------------------------------
1332	itcl::body Rappture::VtkViewer::InitSettings { args } {
1333	foreach setting $args {
1334	AdjustSetting $setting
1335	}
1336	}
1337
1338	#
1339	# AdjustSetting --
1340	#
1341	# Changes/updates a specific setting in the widget. There are
1342	# usually user-setable option. Commands are sent to the render
1343	# server.
1344	#
1345	itcl::body Rappture::VtkViewer::AdjustSetting {what {value ""}} {
1346	if { ![isconnected] } {
1347	return
1348	}
1349	switch -- $what {
1350	"glyphs-opacity" {
1351	foreach dataset [CurrentDatasets -visible $_first] {
1352	foreach { dataobj comp } [split $dataset -] break
1353	if { [$dataobj type $comp] == "glyphs" } {
1354	SetOpacity $dataset
1355	}
1356	}
1357	}
1358	"glyphs-outline" {
1359	set bool $_settings(glyphs-outline)
1360	foreach dataset [CurrentDatasets -visible $_first] {
1361	foreach { dataobj comp } [split $dataset -] break
1362	set type [$dataobj type $comp]
1363	if { $type == "glyphs" } {
1364	SendCmd "outline visible $bool $dataset"
1365	}
1366	}
1367	}
1368	"glyphs-wireframe" {
1369	set bool $_settings(glyphs-wireframe)
1370	foreach dataset [CurrentDatasets -visible $_first] {
1371	foreach { dataobj comp } [split $dataset -] break
1372	set type [$dataobj type $comp]
1373	if { $type == "glyphs" } {
1374	SendCmd "$type wireframe $bool $dataset"
1375	}
1376	}
1377	}
1378	"glyphs-visible" {
1379	set bool $_settings(glyphs-visible)
1380	foreach dataset [CurrentDatasets -visible $_first] {
1381	foreach { dataobj comp } [split $dataset -] break
1382	set type [$dataobj type $comp]
1383	if { $type == "glyphs" } {
1384	SendCmd "$type visible $bool $dataset"
1385	}
1386	}
1387	}
1388	"glyphs-lighting" {
1389	set bool $_settings(glyphs-lighting)
1390	foreach dataset [CurrentDatasets -visible $_first] {
1391	foreach { dataobj comp } [split $dataset -] break
1392	set type [$dataobj type $comp]
1393	if { $type == "glyphs" } {
1394	SendCmd "$type lighting $bool $dataset"
1395	}
1396	}
1397	}
1398	"glyphs-edges" {
1399	set bool $_settings(glyphs-edges)
1400	foreach dataset [CurrentDatasets -visible $_first] {
1401	foreach { dataobj comp } [split $dataset -] break
1402	set type [$dataobj type $comp]
1403	if { $type == "glyphs" } {
1404	SendCmd "$type edges $bool $dataset"
1405	}
1406	}
1407	}
1408	"glyphs-palette" {
1409	set palette [$itk_component(glyphspalette) value]
1410	set _settings(glyphs-palette) $palette
1411	foreach dataset [CurrentDatasets -visible $_first] {
1412	foreach {dataobj comp} [split $dataset -] break
1413	set type [$dataobj type $comp]
1414	if { $type == "glyphs" } {
1415	ChangeColormap $dataobj $comp $palette
1416	# FIXME: fill in current selected fieldname
1417	#SendCmd "glyphs colormode scalar {} $dataset"
1418	}
1419	}
1420	set _legendPending 1
1421	}
1422	"polydata-opacity" {
1423	foreach dataset [CurrentDatasets -visible $_first] {
1424	foreach { dataobj comp } [split $dataset -] break
1425	if { [$dataobj type $comp] == "polydata" } {
1426	SetOpacity $dataset
1427	}
1428	}
1429	}
1430	"polydata-outline" {
1431	set bool $_settings(polydata-outline)
1432	foreach dataset [CurrentDatasets -visible $_first] {
1433	foreach { dataobj comp } [split $dataset -] break
1434	set type [$dataobj type $comp]
1435	if { $type == "polydata" } {
1436	SendCmd "outline visible $bool $dataset"
1437	}
1438	}
1439	}
1440	"polydata-wireframe" {
1441	set bool $_settings(polydata-wireframe)
1442	foreach dataset [CurrentDatasets -visible $_first] {
1443	foreach { dataobj comp } [split $dataset -] break
1444	set type [$dataobj type $comp]
1445	if { $type == "polydata" } {
1446	SendCmd "$type wireframe $bool $dataset"
1447	}
1448	}
1449	}
1450	"polydata-visible" {
1451	set bool $_settings(polydata-visible)
1452	foreach dataset [CurrentDatasets -visible $_first] {
1453	foreach { dataobj comp } [split $dataset -] break
1454	set type [$dataobj type $comp]
1455	if { $type == "polydata" } {
1456	SendCmd "$type visible $bool $dataset"
1457	}
1458	}
1459	}
1460	"polydata-lighting" {
1461	set bool $_settings(polydata-lighting)
1462	foreach dataset [CurrentDatasets -visible $_first] {
1463	foreach { dataobj comp } [split $dataset -] break
1464	set type [$dataobj type $comp]
1465	if { $type == "polydata" } {
1466	SendCmd "$type lighting $bool $dataset"
1467	}
1468	}
1469	}
1470	"polydata-edges" {
1471	set bool $_settings(polydata-edges)
1472	foreach dataset [CurrentDatasets -visible $_first] {
1473	foreach { dataobj comp } [split $dataset -] break
1474	set type [$dataobj type $comp]
1475	if { $type == "polydata" } {
1476	SendCmd "$type edges $bool $dataset"
1477	}
1478	}
1479	}
1480	"polydata-palette" {
1481	set palette [$itk_component(meshpalette) value]
1482	set _settings(polydata-palette) $palette
1483	foreach dataset [CurrentDatasets -visible $_first] {
1484	foreach {dataobj comp} [split $dataset -] break
1485	set type [$dataobj type $comp]
1486	if { $type == "polydata" } {
1487	ChangeColormap $dataobj $comp $palette
1488	# FIXME: fill in current selected fieldname
1489	#SendCmd "polydata colormode scalar {} $dataset"
1490	}
1491	}
1492	set _legendPending 1
1493	}
1494	"molecule-opacity" {
1495	foreach dataset [CurrentDatasets -visible $_first] {
1496	foreach { dataobj comp } [split $dataset -] break
1497	if { [$dataobj type $comp] == "molecule" } {
1498	SetOpacity $dataset
1499	}
1500	}
1501	}
1502	"molecule-outline" {
1503	set bool $_settings(molecule-outline)
1504	foreach dataset [CurrentDatasets -visible $_first] {
1505	foreach { dataobj comp } [split $dataset -] break
1506	set type [$dataobj type $comp]
1507	if { $type == "molecule" } {
1508	SendCmd "outline visible $bool $dataset"
1509	}
1510	}
1511	}
1512	"molecule-wireframe" {
1513	set bool $_settings(molecule-wireframe)
1514	foreach dataset [CurrentDatasets -visible $_first] {
1515	foreach { dataobj comp } [split $dataset -] break
1516	set type [$dataobj type $comp]
1517	if { $type == "molecule" } {
1518	SendCmd "molecule wireframe $bool $dataset"
1519	}
1520	}
1521	}
1522	"molecule-visible" {
1523	set bool $_settings(molecule-visible)
1524	foreach dataset [CurrentDatasets -visible $_first] {
1525	foreach { dataobj comp } [split $dataset -] break
1526	set type [$dataobj type $comp]
1527	if { $type == "molecule" } {
1528	SendCmd "molecule visible $bool $dataset"
1529	}
1530	}
1531	}
1532	"molecule-lighting" {
1533	set bool $_settings(molecule-lighting)
1534	foreach dataset [CurrentDatasets -visible $_first] {
1535	foreach { dataobj comp } [split $dataset -] break
1536	set type [$dataobj type $comp]
1537	if { $type == "molecule" } {
1538	SendCmd "molecule lighting $bool $dataset"
1539	}
1540	}
1541	}
1542	"molecule-edges" {
1543	set bool $_settings(molecule-edges)
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 "molecule edges $bool $dataset"
1549	}
1550	}
1551	}
1552	"molecule-palette" {
1553	set palette [$itk_component(moleculepalette) value]
1554	set _settings(molecule-palette) $palette
1555	foreach dataset [CurrentDatasets -visible $_first] {
1556	foreach {dataobj comp} [split $dataset -] break
1557	set type [$dataobj type $comp]
1558	if { $type == "molecule" } {
1559	ChangeColormap $dataobj $comp $palette
1560	if { $palette == "elementDefault" } {
1561	SendCmd "molecule colormode by_elements element $dataset"
1562	} else {
1563	# FIXME: Set the chosen scalar field name here
1564	SendCmd "molecule colormode scalar {} $dataset"
1565	}
1566	}
1567	}
1568	set _legendPending 1
1569	}
1570	"molecule-representation" {
1571	set value [$itk_component(representation) value]
1572	set value [$itk_component(representation) translate $value]
1573	switch -- $value {
1574	"ballandstick" {
1575	set _settings(molecule-rscale) covalent
1576	set _settings(molecule-atoms-visible) 1
1577	set _settings(molecule-bonds-visible) 1
1578	set _settings(molecule-bondstyle) cylinder
1579	set _settings(molecule-atomscale) 0.3
1580	set _settings(molecule-bondscale) 0.075
1581	}
1582	"balls" - "spheres" {
1583	set _settings(molecule-rscale) covalent
1584	set _settings(molecule-atoms-visible) 1
1585	set _settings(molecule-bonds-visible) 0
1586	set _settings(molecule-bondstyle) cylinder
1587	set _settings(molecule-atomscale) 0.3
1588	set _settings(molecule-bondscale) 0.075
1589	}
1590	"sticks" {
1591	set _settings(molecule-rscale) none
1592	set _settings(molecule-atoms-visible) 1
1593	set _settings(molecule-bonds-visible) 1
1594	set _settings(molecule-bondstyle) cylinder
1595	set _settings(molecule-atomscale) 0.075
1596	set _settings(molecule-bondscale) 0.075
1597	}
1598	"spacefilling" {
1599	set _settings(molecule-rscale) van_der_waals
1600	set _settings(molecule-atoms-visible) 1
1601	set _settings(molecule-bonds-visible) 0
1602	set _settings(molecule-bondstyle) cylinder
1603	set _settings(molecule-atomscale) 1.0
1604	set _settings(molecule-bondscale) 0.075
1605	}
1606	"rods" {
1607	set _settings(molecule-rscale) none
1608	set _settings(molecule-atoms-visible) 1
1609	set _settings(molecule-bonds-visible) 1
1610	set _settings(molecule-bondstyle) cylinder
1611	set _settings(molecule-atomscale) 0.1
1612	set _settings(molecule-bondscale) 0.1
1613	}
1614	"wireframe" - "lines" {
1615	set _settings(molecule-rscale) none
1616	set _settings(molecule-atoms-visible) 0
1617	set _settings(molecule-bonds-visible) 1
1618	set _settings(molecule-bondstyle) line
1619	set _settings(molecule-atomscale) 1.0
1620	set _settings(molecule-bondscale) 1.0
1621	}
1622	default {
1623	error "unknown representation $value"
1624	}
1625	}
1626	$itk_component(rscale) value [$itk_component(rscale) label $_settings(molecule-rscale)]
1627	switch -- $value {
1628	"ballandstick" - "balls" - "spheres" {
1629	$itk_component(rscale) configure -state normal
1630	}
1631	default {
1632	$itk_component(rscale) configure -state disabled
1633	}
1634	}
1635	foreach dataset [CurrentDatasets -all] {
1636	foreach {dataobj comp} [split $dataset -] break
1637	set type [$dataobj type $comp]
1638	if { $type == "molecule" } {
1639	SendCmd [subst {molecule rscale $_settings(molecule-rscale) $dataset
1640	molecule ascale $_settings(molecule-atomscale) $dataset
1641	molecule bscale $_settings(molecule-bondscale) $dataset
1642	molecule bstyle $_settings(molecule-bondstyle) $dataset
1643	molecule atoms $_settings(molecule-atoms-visible) $dataset
1644	molecule bonds $_settings(molecule-bonds-visible) $dataset}]
1645	}
1646	}
1647	}
1648	"molecule-rscale" {
1649	set value [$itk_component(rscale) value]
1650	set value [$itk_component(rscale) translate $value]
1651	set _settings(molecule-rscale) $value
1652	foreach dataset [CurrentDatasets -visible $_first] {
1653	foreach {dataobj comp} [split $dataset -] break
1654	set type [$dataobj type $comp]
1655	if { $type == "molecule" } {
1656	SendCmd [subst {molecule rscale $_settings(molecule-rscale) $dataset}]
1657	}
1658	}
1659	}
1660	"molecule-labels" {
1661	set bool $_settings(molecule-labels)
1662	foreach dataset [CurrentDatasets -visible $_first] {
1663	foreach { dataobj comp } [split $dataset -] break
1664	set type [$dataobj type $comp]
1665	if { $type == "molecule" } {
1666	SendCmd "molecule labels $bool $dataset"
1667	}
1668	}
1669	}
1670	"axis-visible" {
1671	set bool $_axis(visible)
1672	SendCmd "axis visible all $bool"
1673	}
1674	"axis-labels" {
1675	set bool $_axis(labels)
1676	SendCmd "axis labels all $bool"
1677	}
1678	"axis-xgrid" {
1679	set bool $_axis(xgrid)
1680	SendCmd "axis grid x $bool"
1681	}
1682	"axis-ygrid" {
1683	set bool $_axis(ygrid)
1684	SendCmd "axis grid y $bool"
1685	}
1686	"axis-zgrid" {
1687	set bool $_axis(zgrid)
1688	SendCmd "axis grid z $bool"
1689	}
1690	"axis-mode" {
1691	set mode [$itk_component(axismode) value]
1692	set mode [$itk_component(axismode) translate $mode]
1693	SendCmd "axis flymode $mode"
1694	}
1695	"axis-xcutaway" - "axis-ycutaway" - "axis-zcutaway" {
1696	set axis [string range $what 5 5]
1697	set bool $_axis(${axis}cutaway)
1698	if { $bool } {
1699	set pos [expr $_axis(${axis}position) * 0.01]
1700	set dir $_axis(${axis}direction)
1701	$itk_component(${axis}CutScale) configure -state normal \
1702	-troughcolor white
1703	SendCmd "renderer clipplane $axis $pos $dir"
1704	} else {
1705	$itk_component(${axis}CutScale) configure -state disabled \
1706	-troughcolor grey82
1707	SendCmd "renderer clipplane $axis 1 -1"
1708	}
1709	}
1710	"axis-xposition" - "axis-yposition" - "axis-zposition" -
1711	"axis-xdirection" - "axis-ydirection" - "axis-zdirection" {
1712	set axis [string range $what 5 5]
1713	#set dir $_axis(${axis}direction)
1714	set pos [expr $_axis(${axis}position) * 0.01]
1715	SendCmd "renderer clipplane ${axis} $pos -1"
1716	}
1717	default {
1718	error "don't know how to fix $what"
1719	}
1720	}
1721	}
1722
1723	#
1724	# RequestLegend --
1725	#
1726	# Request a new legend from the server. The size of the legend
1727	# is determined from the height of the canvas. It will be rotated
1728	# to be vertical when drawn.
1729	#
1730	itcl::body Rappture::VtkViewer::RequestLegend {} {
1731	set font "Arial 8"
1732	set lineht [font metrics $font -linespace]
1733	set w 12
1734	set h [expr {$_height - 2 * ($lineht + 2)}]
1735	if { $h < 1 } {
1736	return
1737	}
1738	# Set the legend on the first dataset.
1739	foreach dataset [CurrentDatasets -visible] {
1740	foreach {dataobj comp} [split $dataset -] break
1741	if { [info exists _dataset2style($dataset)] } {
1742	SendCmd "legend $_dataset2style($dataset) vmag {} {} $w $h 0"
1743	break;
1744	}
1745	}
1746	}
1747
1748	#
1749	# ChangeColormap --
1750	#
1751	itcl::body Rappture::VtkViewer::ChangeColormap {dataobj comp color} {
1752	set tag $dataobj-$comp
1753	if { ![info exist _style($tag)] } {
1754	error "no initial colormap"
1755	}
1756	array set style $_style($tag)
1757	set style(-color) $color
1758	set _style($tag) [array get style]
1759	SetColormap $dataobj $comp
1760	}
1761
1762	#
1763	# SetColormap --
1764	#
1765	itcl::body Rappture::VtkViewer::SetColormap { dataobj comp } {
1766	array set style {
1767	-color BCGYR
1768	-levels 6
1769	-opacity 1.0
1770	}
1771	if {[$dataobj type $comp] == "molecule"} {
1772	set style(-color) elementDefault
1773	}
1774	set tag $dataobj-$comp
1775	if { ![info exists _initialStyle($tag)] } {
1776	# Save the initial component style.
1777	set _initialStyle($tag) [$dataobj style $comp]
1778	}
1779
1780	# Override defaults with initial style defined in xml.
1781	array set style $_initialStyle($tag)
1782
1783	if { ![info exists _style($tag)] } {
1784	set _style($tag) [array get style]
1785	}
1786	# Override initial style with current style.
1787	array set style $_style($tag)
1788
1789	if { $style(-color) == "elementDefault" } {
1790	set name "$style(-color)"
1791	} else {
1792	set name "$style(-color):$style(-levels):$style(-opacity)"
1793	}
1794	if { ![info exists _colormaps($name)] } {
1795	BuildColormap $name [array get style]
1796	set _colormaps($name) 1
1797	}
1798	if { ![info exists _dataset2style($tag)] \|\|
1799	$_dataset2style($tag) != $name } {
1800	set _dataset2style($tag) $name
1801	switch -- [$dataobj type $comp] {
1802	"polydata" {
1803	SendCmd "polydata colormap $name $tag"
1804	}
1805	"glyphs" {
1806	SendCmd "glyphs colormap $name $tag"
1807	}
1808	"molecule" {
1809	SendCmd "molecule colormap $name $tag"
1810	}
1811	}
1812	}
1813	}
1814
1815	#
1816	# BuildColormap --
1817	#
1818	itcl::body Rappture::VtkViewer::BuildColormap { name styles } {
1819	if { $name == "elementDefault" } {
1820	return
1821	}
1822	array set style $styles
1823	set cmap [ColorsToColormap $style(-color)]
1824	if { [llength $cmap] == 0 } {
1825	set cmap "0.0 0.0 0.0 0.0 1.0 1.0 1.0 1.0"
1826	}
1827	if { ![info exists _settings(polydata-opacity)] } {
1828	set _settings(polydata-opacity) $style(-opacity)
1829	}
1830	set max $_settings(polydata-opacity)
1831
1832	set wmap "0.0 1.0 1.0 1.0"
1833	SendCmd "colormap add $name { $cmap } { $wmap }"
1834	}
1835
1836	# ----------------------------------------------------------------------
1837	# CONFIGURATION OPTION: -plotbackground
1838	# ----------------------------------------------------------------------
1839	itcl::configbody Rappture::VtkViewer::plotbackground {
1840	if { [isconnected] } {
1841	foreach {r g b} [Color2RGB $itk_option(-plotbackground)] break
1842	SendCmd "screen bgcolor $r $g $b"
1843	}
1844	}
1845
1846	# ----------------------------------------------------------------------
1847	# CONFIGURATION OPTION: -plotforeground
1848	# ----------------------------------------------------------------------
1849	itcl::configbody Rappture::VtkViewer::plotforeground {
1850	if { [isconnected] } {
1851	foreach {r g b} [Color2RGB $itk_option(-plotforeground)] break
1852	#fix this!
1853	#SendCmd "color background $r $g $b"
1854	}
1855	}
1856
1857	itcl::body Rappture::VtkViewer::limits { dataobj } {
1858	foreach comp [$dataobj components] {
1859	set tag $dataobj-$comp
1860	if { ![info exists _limits($tag)] } {
1861	set data [$dataobj data $comp]
1862	if { $data == "" } {
1863	continue
1864	}
1865	set tmpfile file[pid].vtk
1866	set f [open "$tmpfile" "w"]
1867	fconfigure $f -translation binary -encoding binary
1868	puts $f $data
1869	close $f
1870	set reader [vtkDataSetReader $tag-xvtkDataSetReader]
1871	$reader SetFileName $tmpfile
1872	set debug 0
1873	if {$debug} {
1874	# Only needed for debug output below
1875	$reader ReadAllNormalsOn
1876	$reader ReadAllTCoordsOn
1877	$reader ReadAllScalarsOn
1878	$reader ReadAllColorScalarsOn
1879	$reader ReadAllVectorsOn
1880	$reader ReadAllTensorsOn
1881	$reader ReadAllFieldsOn
1882	}
1883	$reader Update
1884	file delete $tmpfile
1885	set output [$reader GetOutput]
1886	set _limits($tag) [$output GetBounds]
1887	if {$debug} {
1888	puts stderr "\#scalars=[$reader GetNumberOfScalarsInFile]"
1889	puts stderr "\#vectors=[$reader GetNumberOfVectorsInFile]"
1890	puts stderr "\#tensors=[$reader GetNumberOfTensorsInFile]"
1891	puts stderr "\#normals=[$reader GetNumberOfNormalsInFile]"
1892	puts stderr "\#tcoords=[$reader GetNumberOfTCoordsInFile]"
1893	puts stderr "\#fielddata=[$reader GetNumberOfFieldDataInFile]"
1894	puts stderr "fielddataname=[$reader GetFieldDataNameInFile 0]"
1895	set pointData [$output GetPointData]
1896	if { $pointData != ""} {
1897	puts stderr "point \#arrays=[$pointData GetNumberOfArrays]"
1898	puts stderr "point \#components=[$pointData GetNumberOfComponents]"
1899	puts stderr "point \#tuples=[$pointData GetNumberOfTuples]"
1900	puts stderr "point scalars=[$pointData GetScalars]"
1901	puts stderr "point vectors=[$pointData GetVectors]"
1902	}
1903	set cellData [$output GetCellData]
1904	if { $cellData != ""} {
1905	puts stderr "cell \#arrays=[$cellData GetNumberOfArrays]"
1906	puts stderr "cell \#components=[$cellData GetNumberOfComponents]"
1907	puts stderr "cell \#tuples=[$cellData GetNumberOfTuples]"
1908	puts stderr "cell scalars=[$cellData GetScalars]"
1909	puts stderr "cell vectors=[$cellData GetVectors]"
1910	}
1911	set fieldData [$output GetFieldData]
1912	if { $fieldData != ""} {
1913	puts stderr "field \#arrays=[$fieldData GetNumberOfArrays]"
1914	puts stderr "field \#components=[$fieldData GetNumberOfComponents]"
1915	puts stderr "field \#tuples=[$fieldData GetNumberOfTuples]"
1916	}
1917	}
1918	rename $output ""
1919	rename $reader ""
1920	}
1921	foreach { xMin xMax yMin yMax zMin zMax} $_limits($tag) break
1922	if {![info exists limits(xmin)] \|\| $limits(xmin) > $xMin} {
1923	set limits(xmin) $xMin
1924	}
1925	if {![info exists limits(xmax)] \|\| $limits(xmax) < $xMax} {
1926	set limits(xmax) $xMax
1927	}
1928	if {![info exists limits(ymin)] \|\| $limits(ymin) > $yMin} {
1929	set limits(ymin) $xMin
1930	}
1931	if {![info exists limits(ymax)] \|\| $limits(ymax) < $yMax} {
1932	set limits(ymax) $yMax
1933	}
1934	if {![info exists limits(zmin)] \|\| $limits(zmin) > $zMin} {
1935	set limits(zmin) $zMin
1936	}
1937	if {![info exists limits(zmax)] \|\| $limits(zmax) < $zMax} {
1938	set limits(zmax) $zMax
1939	}
1940	}
1941	return [array get limits]
1942	}
1943
1944	itcl::body Rappture::VtkViewer::BuildGlyphsTab {} {
1945
1946	set fg [option get $itk_component(hull) font Font]
1947	#set bfg [option get $itk_component(hull) boldFont Font]
1948
1949	set inner [$itk_component(main) insert 0 \
1950	-title "Glyph Settings" \
1951	-icon [Rappture::icon volume-on]]
1952	$inner configure -borderwidth 4
1953
1954	checkbutton $inner.glyphs \
1955	-text "Show Glyphs" \
1956	-variable [itcl::scope _settings(glyphs-visible)] \
1957	-command [itcl::code $this AdjustSetting glyphs-visible] \
1958	-font "Arial 9" -anchor w
1959
1960	checkbutton $inner.outline \
1961	-text "Show Outline" \
1962	-variable [itcl::scope _settings(glyphs-outline)] \
1963	-command [itcl::code $this AdjustSetting glyphs-outline] \
1964	-font "Arial 9" -anchor w
1965
1966	checkbutton $inner.wireframe \
1967	-text "Show Wireframe" \
1968	-variable [itcl::scope _settings(glyphs-wireframe)] \
1969	-command [itcl::code $this AdjustSetting glyphs-wireframe] \
1970	-font "Arial 9" -anchor w
1971
1972	checkbutton $inner.lighting \
1973	-text "Enable Lighting" \
1974	-variable [itcl::scope _settings(glyphs-lighting)] \
1975	-command [itcl::code $this AdjustSetting glyphs-lighting] \
1976	-font "Arial 9" -anchor w
1977
1978	checkbutton $inner.edges \
1979	-text "Show Edges" \
1980	-variable [itcl::scope _settings(glyphs-edges)] \
1981	-command [itcl::code $this AdjustSetting glyphs-edges] \
1982	-font "Arial 9" -anchor w
1983
1984	label $inner.palette_l -text "Palette" -font "Arial 9" -anchor w
1985	itk_component add glyphspalette {
1986	Rappture::Combobox $inner.palette -width 10 -editable no
1987	}
1988	$inner.palette choices insert end [GetColormapList]
1989	$itk_component(glyphspalette) value "BCGYR"
1990	bind $inner.palette <<Value>> \
1991	[itcl::code $this AdjustSetting glyphs-palette]
1992
1993	label $inner.opacity_l -text "Opacity" -font "Arial 9" -anchor w
1994	::scale $inner.opacity -from 0 -to 100 -orient horizontal \
1995	-variable [itcl::scope _settings(glyphs-opacity)] \
1996	-width 10 \
1997	-showvalue off \
1998	-command [itcl::code $this AdjustSetting glyphs-opacity]
1999	$inner.opacity set $_settings(glyphs-opacity)
2000
2001	blt::table $inner \
2002	0,0 $inner.glyphs -cspan 2 -anchor w -pady 2 \
2003	1,0 $inner.outline -cspan 2 -anchor w -pady 2 \
2004	2,0 $inner.wireframe -cspan 2 -anchor w -pady 2 \
2005	3,0 $inner.lighting -cspan 2 -anchor w -pady 2 \
2006	4,0 $inner.edges -cspan 2 -anchor w -pady 2 \
2007	5,0 $inner.opacity_l -anchor w -pady 2 \
2008	5,1 $inner.opacity -fill x -pady 2 \
2009	6,0 $inner.palette_l -anchor w -pady 2 \
2010	6,1 $inner.palette -fill x -pady 2
2011
2012	blt::table configure $inner r* c* -resize none
2013	blt::table configure $inner r8 c1 -resize expand
2014	}
2015
2016	itcl::body Rappture::VtkViewer::BuildPolydataTab {} {
2017
2018	set fg [option get $itk_component(hull) font Font]
2019	#set bfg [option get $itk_component(hull) boldFont Font]
2020
2021	set inner [$itk_component(main) insert 0 \
2022	-title "Mesh Settings" \
2023	-icon [Rappture::icon mesh]]
2024	$inner configure -borderwidth 4
2025
2026	checkbutton $inner.mesh \
2027	-text "Show Mesh" \
2028	-variable [itcl::scope _settings(polydata-visible)] \
2029	-command [itcl::code $this AdjustSetting polydata-visible] \
2030	-font "Arial 9" -anchor w
2031
2032	checkbutton $inner.outline \
2033	-text "Show Outline" \
2034	-variable [itcl::scope _settings(polydata-outline)] \
2035	-command [itcl::code $this AdjustSetting polydata-outline] \
2036	-font "Arial 9" -anchor w
2037
2038	checkbutton $inner.wireframe \
2039	-text "Show Wireframe" \
2040	-variable [itcl::scope _settings(polydata-wireframe)] \
2041	-command [itcl::code $this AdjustSetting polydata-wireframe] \
2042	-font "Arial 9" -anchor w
2043
2044	checkbutton $inner.lighting \
2045	-text "Enable Lighting" \
2046	-variable [itcl::scope _settings(polydata-lighting)] \
2047	-command [itcl::code $this AdjustSetting polydata-lighting] \
2048	-font "Arial 9" -anchor w
2049
2050	checkbutton $inner.edges \
2051	-text "Show Edges" \
2052	-variable [itcl::scope _settings(polydata-edges)] \
2053	-command [itcl::code $this AdjustSetting polydata-edges] \
2054	-font "Arial 9" -anchor w
2055
2056	label $inner.palette_l -text "Palette" -font "Arial 9" -anchor w
2057	itk_component add meshpalette {
2058	Rappture::Combobox $inner.palette -width 10 -editable no
2059	}
2060	$inner.palette choices insert end [GetColormapList]
2061	$itk_component(meshpalette) value "BCGYR"
2062	bind $inner.palette <<Value>> \
2063	[itcl::code $this AdjustSetting polydata-palette]
2064
2065	label $inner.opacity_l -text "Opacity" -font "Arial 9" -anchor w
2066	::scale $inner.opacity -from 0 -to 100 -orient horizontal \
2067	-variable [itcl::scope _settings(polydata-opacity)] \
2068	-width 10 \
2069	-showvalue off \
2070	-command [itcl::code $this AdjustSetting polydata-opacity]
2071	$inner.opacity set $_settings(polydata-opacity)
2072
2073	blt::table $inner \
2074	0,0 $inner.mesh -cspan 2 -anchor w -pady 2 \
2075	1,0 $inner.outline -cspan 2 -anchor w -pady 2 \
2076	2,0 $inner.wireframe -cspan 2 -anchor w -pady 2 \
2077	3,0 $inner.lighting -cspan 2 -anchor w -pady 2 \
2078	4,0 $inner.edges -cspan 2 -anchor w -pady 2 \
2079	5,0 $inner.opacity_l -anchor w -pady 2 \
2080	5,1 $inner.opacity -fill x -pady 2 \
2081	6,0 $inner.palette_l -anchor w -pady 2 \
2082	6,1 $inner.palette -fill x -pady 2
2083
2084	blt::table configure $inner r* c* -resize none
2085	blt::table configure $inner r8 c1 -resize expand
2086	}
2087
2088	itcl::body Rappture::VtkViewer::BuildAxisTab {} {
2089
2090	set fg [option get $itk_component(hull) font Font]
2091	#set bfg [option get $itk_component(hull) boldFont Font]
2092
2093	set inner [$itk_component(main) insert end \
2094	-title "Axis Settings" \
2095	-icon [Rappture::icon axis1]]
2096	$inner configure -borderwidth 4
2097
2098	checkbutton $inner.visible \
2099	-text "Show Axes" \
2100	-variable [itcl::scope _axis(visible)] \
2101	-command [itcl::code $this AdjustSetting axis-visible] \
2102	-font "Arial 9"
2103
2104	checkbutton $inner.labels \
2105	-text "Show Axis Labels" \
2106	-variable [itcl::scope _axis(labels)] \
2107	-command [itcl::code $this AdjustSetting axis-labels] \
2108	-font "Arial 9"
2109
2110	checkbutton $inner.gridx \
2111	-text "Show X Grid" \
2112	-variable [itcl::scope _axis(xgrid)] \
2113	-command [itcl::code $this AdjustSetting axis-xgrid] \
2114	-font "Arial 9"
2115	checkbutton $inner.gridy \
2116	-text "Show Y Grid" \
2117	-variable [itcl::scope _axis(ygrid)] \
2118	-command [itcl::code $this AdjustSetting axis-ygrid] \
2119	-font "Arial 9"
2120	checkbutton $inner.gridz \
2121	-text "Show Z Grid" \
2122	-variable [itcl::scope _axis(zgrid)] \
2123	-command [itcl::code $this AdjustSetting axis-zgrid] \
2124	-font "Arial 9"
2125
2126	label $inner.mode_l -text "Mode" -font "Arial 9"
2127
2128	itk_component add axismode {
2129	Rappture::Combobox $inner.mode -width 10 -editable no
2130	}
2131	$inner.mode choices insert end \
2132	"static_triad" "static" \
2133	"closest_triad" "closest" \
2134	"furthest_triad" "farthest" \
2135	"outer_edges" "outer"
2136	$itk_component(axismode) value "static"
2137	bind $inner.mode <<Value>> [itcl::code $this AdjustSetting axis-mode]
2138
2139	blt::table $inner \
2140	0,0 $inner.visible -anchor w -cspan 2 \
2141	1,0 $inner.labels -anchor w -cspan 2 \
2142	2,0 $inner.gridx -anchor w -cspan 2 \
2143	3,0 $inner.gridy -anchor w -cspan 2 \
2144	4,0 $inner.gridz -anchor w -cspan 2 \
2145	5,0 $inner.mode_l -anchor w -cspan 2 -padx { 2 0 } \
2146	6,0 $inner.mode -fill x -cspan 2
2147
2148	blt::table configure $inner r* c* -resize none
2149	blt::table configure $inner r7 c1 -resize expand
2150	}
2151
2152	itcl::body Rappture::VtkViewer::BuildCameraTab {} {
2153	set inner [$itk_component(main) insert end \
2154	-title "Camera Settings" \
2155	-icon [Rappture::icon camera]]
2156	$inner configure -borderwidth 4
2157
2158	label $inner.view_l -text "view" -font "Arial 9"
2159	set f [frame $inner.view]
2160	foreach side { front back left right top bottom } {
2161	button $f.$side -image [Rappture::icon view$side] \
2162	-command [itcl::code $this SetOrientation $side]
2163	Rappture::Tooltip::for $f.$side "Change the view to $side"
2164	pack $f.$side -side left
2165	}
2166
2167	blt::table $inner \
2168	0,0 $inner.view_l -anchor e -pady 2 \
2169	0,1 $inner.view -anchor w -pady 2
2170
2171	set labels { qx qy qz qw xpan ypan zoom }
2172	set row 1
2173	foreach tag $labels {
2174	label $inner.${tag}label -text $tag -font "Arial 9"
2175	entry $inner.${tag} -font "Arial 9" -bg white \
2176	-textvariable [itcl::scope _view($tag)]
2177	bind $inner.${tag} <KeyPress-Return> \
2178	[itcl::code $this camera set ${tag}]
2179	blt::table $inner \
2180	$row,0 $inner.${tag}label -anchor e -pady 2 \
2181	$row,1 $inner.${tag} -anchor w -pady 2
2182	blt::table configure $inner r$row -resize none
2183	incr row
2184	}
2185	checkbutton $inner.ortho \
2186	-text "Orthographic Projection" \
2187	-variable [itcl::scope _view(ortho)] \
2188	-command [itcl::code $this camera set ortho] \
2189	-font "Arial 9"
2190	blt::table $inner \
2191	$row,0 $inner.ortho -cspan 2 -anchor w -pady 2
2192	blt::table configure $inner r$row -resize none
2193	incr row
2194
2195	blt::table configure $inner c* r* -resize none
2196	blt::table configure $inner c2 -resize expand
2197	blt::table configure $inner r$row -resize expand
2198	}
2199
2200	itcl::body Rappture::VtkViewer::BuildCutawayTab {} {
2201
2202	set fg [option get $itk_component(hull) font Font]
2203
2204	set inner [$itk_component(main) insert end \
2205	-title "Cutaway Along Axis" \
2206	-icon [Rappture::icon cutbutton]]
2207
2208	$inner configure -borderwidth 4
2209
2210	# X-value slicer...
2211	itk_component add xCutButton {
2212	Rappture::PushButton $inner.xbutton \
2213	-onimage [Rappture::icon x-cutplane] \
2214	-offimage [Rappture::icon x-cutplane] \
2215	-command [itcl::code $this AdjustSetting axis-xcutaway] \
2216	-variable [itcl::scope _axis(xcutaway)]
2217	}
2218	Rappture::Tooltip::for $itk_component(xCutButton) \
2219	"Toggle the X-axis cutaway on/off"
2220
2221	itk_component add xCutScale {
2222	::scale $inner.xval -from 100 -to 0 \
2223	-width 10 -orient vertical -showvalue yes \
2224	-borderwidth 1 -highlightthickness 0 \
2225	-command [itcl::code $this Slice move x] \
2226	-variable [itcl::scope _axis(xposition)]
2227	} {
2228	usual
2229	ignore -borderwidth -highlightthickness
2230	}
2231	# Set the default cutaway value before disabling the scale.
2232	$itk_component(xCutScale) set 100
2233	$itk_component(xCutScale) configure -state disabled
2234	Rappture::Tooltip::for $itk_component(xCutScale) \
2235	"@[itcl::code $this Slice tooltip x]"
2236
2237	itk_component add xDirButton {
2238	Rappture::PushButton $inner.xdir \
2239	-onimage [Rappture::icon arrow-down] \
2240	-onvalue -1 \
2241	-offimage [Rappture::icon arrow-up] \
2242	-offvalue 1 \
2243	-command [itcl::code $this AdjustSetting axis-xdirection] \
2244	-variable [itcl::scope _axis(xdirection)]
2245	}
2246	set _axis(xdirection) -1
2247	Rappture::Tooltip::for $itk_component(xDirButton) \
2248	"Toggle the direction of the X-axis cutaway"
2249
2250	# Y-value slicer...
2251	itk_component add yCutButton {
2252	Rappture::PushButton $inner.ybutton \
2253	-onimage [Rappture::icon y-cutplane] \
2254	-offimage [Rappture::icon y-cutplane] \
2255	-command [itcl::code $this AdjustSetting axis-ycutaway] \
2256	-variable [itcl::scope _axis(ycutaway)]
2257	}
2258	Rappture::Tooltip::for $itk_component(yCutButton) \
2259	"Toggle the Y-axis cutaway on/off"
2260
2261	itk_component add yCutScale {
2262	::scale $inner.yval -from 100 -to 0 \
2263	-width 10 -orient vertical -showvalue yes \
2264	-borderwidth 1 -highlightthickness 0 \
2265	-command [itcl::code $this Slice move y] \
2266	-variable [itcl::scope _axis(yposition)]
2267	} {
2268	usual
2269	ignore -borderwidth -highlightthickness
2270	}
2271	Rappture::Tooltip::for $itk_component(yCutScale) \
2272	"@[itcl::code $this Slice tooltip y]"
2273	# Set the default cutaway value before disabling the scale.
2274	$itk_component(yCutScale) set 100
2275	$itk_component(yCutScale) configure -state disabled
2276
2277	itk_component add yDirButton {
2278	Rappture::PushButton $inner.ydir \
2279	-onimage [Rappture::icon arrow-down] \
2280	-onvalue -1 \
2281	-offimage [Rappture::icon arrow-up] \
2282	-offvalue 1 \
2283	-command [itcl::code $this AdjustSetting axis-ydirection] \
2284	-variable [itcl::scope _axis(ydirection)]
2285	}
2286	Rappture::Tooltip::for $itk_component(yDirButton) \
2287	"Toggle the direction of the Y-axis cutaway"
2288	set _axis(ydirection) -1
2289
2290	# Z-value slicer...
2291	itk_component add zCutButton {
2292	Rappture::PushButton $inner.zbutton \
2293	-onimage [Rappture::icon z-cutplane] \
2294	-offimage [Rappture::icon z-cutplane] \
2295	-command [itcl::code $this AdjustSetting axis-zcutaway] \
2296	-variable [itcl::scope _axis(zcutaway)]
2297	}
2298	Rappture::Tooltip::for $itk_component(zCutButton) \
2299	"Toggle the Z-axis cutaway on/off"
2300
2301	itk_component add zCutScale {
2302	::scale $inner.zval -from 100 -to 0 \
2303	-width 10 -orient vertical -showvalue yes \
2304	-borderwidth 1 -highlightthickness 0 \
2305	-command [itcl::code $this Slice move z] \
2306	-variable [itcl::scope _axis(zposition)]
2307	} {
2308	usual
2309	ignore -borderwidth -highlightthickness
2310	}
2311	$itk_component(zCutScale) set 100
2312	$itk_component(zCutScale) configure -state disabled
2313	Rappture::Tooltip::for $itk_component(zCutScale) \
2314	"@[itcl::code $this Slice tooltip z]"
2315
2316	itk_component add zDirButton {
2317	Rappture::PushButton $inner.zdir \
2318	-onimage [Rappture::icon arrow-down] \
2319	-onvalue -1 \
2320	-offimage [Rappture::icon arrow-up] \
2321	-offvalue 1 \
2322	-command [itcl::code $this AdjustSetting axis-zdirection] \
2323	-variable [itcl::scope _axis(zdirection)]
2324	}
2325	set _axis(zdirection) -1
2326	Rappture::Tooltip::for $itk_component(zDirButton) \
2327	"Toggle the direction of the Z-axis cutaway"
2328
2329	blt::table $inner \
2330	0,0 $itk_component(xCutButton) -anchor e -padx 2 -pady 2 \
2331	1,0 $itk_component(xCutScale) -fill y \
2332	0,1 $itk_component(yCutButton) -anchor e -padx 2 -pady 2 \
2333	1,1 $itk_component(yCutScale) -fill y \
2334	0,2 $itk_component(zCutButton) -anchor e -padx 2 -pady 2 \
2335	1,2 $itk_component(zCutScale) -fill y \
2336
2337	blt::table configure $inner r* c* -resize none
2338	blt::table configure $inner r1 c3 -resize expand
2339	}
2340
2341	itcl::body Rappture::VtkViewer::BuildMoleculeTab {} {
2342	set fg [option get $itk_component(hull) font Font]
2343
2344	set inner [$itk_component(main) insert 0 \
2345	-title "Molecule Settings" \
2346	-icon [Rappture::icon molecule]]
2347	$inner configure -borderwidth 4
2348
2349	checkbutton $inner.molecule \
2350	-text "Show Molecule" \
2351	-variable [itcl::scope _settings(molecule-visible)] \
2352	-command [itcl::code $this AdjustSetting molecule-visible] \
2353	-font "Arial 9"
2354
2355	checkbutton $inner.outline \
2356	-text "Show Outline" \
2357	-variable [itcl::scope _settings(molecule-outline)] \
2358	-command [itcl::code $this AdjustSetting molecule-outline] \
2359	-font "Arial 9"
2360
2361	checkbutton $inner.label \
2362	-text "Show Atom Labels" \
2363	-variable [itcl::scope _settings(molecule-labels)] \
2364	-command [itcl::code $this AdjustSetting molecule-labels] \
2365	-font "Arial 9"
2366
2367	checkbutton $inner.wireframe \
2368	-text "Show Wireframe" \
2369	-variable [itcl::scope _settings(molecule-wireframe)] \
2370	-command [itcl::code $this AdjustSetting molecule-wireframe] \
2371	-font "Arial 9"
2372
2373	checkbutton $inner.lighting \
2374	-text "Enable Lighting" \
2375	-variable [itcl::scope _settings(molecule-lighting)] \
2376	-command [itcl::code $this AdjustSetting molecule-lighting] \
2377	-font "Arial 9"
2378
2379	checkbutton $inner.edges \
2380	-text "Show Edges" \
2381	-variable [itcl::scope _settings(molecule-edges)] \
2382	-command [itcl::code $this AdjustSetting molecule-edges] \
2383	-font "Arial 9"
2384
2385	label $inner.rep_l -text "Molecule Representation" \
2386	-font "Arial 9"
2387
2388	itk_component add representation {
2389	Rappture::Combobox $inner.rep -width 20 -editable no
2390	}
2391	$inner.rep choices insert end \
2392	"ballandstick" "Ball and Stick" \
2393	"spheres" "Spheres" \
2394	"sticks" "Sticks" \
2395	"rods" "Rods" \
2396	"wireframe" "Wireframe" \
2397	"spacefilling" "Space Filling"
2398
2399	bind $inner.rep <<Value>> \
2400	[itcl::code $this AdjustSetting molecule-representation]
2401	$inner.rep value "Ball and Stick"
2402
2403	label $inner.rscale_l -text "Atom Radii" \
2404	-font "Arial 9"
2405
2406	itk_component add rscale {
2407	Rappture::Combobox $inner.rscale -width 20 -editable no
2408	}
2409	$inner.rscale choices insert end \
2410	"atomic" "Atomic" \
2411	"covalent" "Covalent" \
2412	"van_der_waals" "VDW" \
2413	"none" "Constant"
2414
2415	bind $inner.rscale <<Value>> \
2416	[itcl::code $this AdjustSetting molecule-rscale]
2417	$inner.rscale value "Covalent"
2418
2419	label $inner.palette_l -text "Palette" -font "Arial 9"
2420	itk_component add moleculepalette {
2421	Rappture::Combobox $inner.palette -width 10 -editable no
2422	}
2423	$inner.palette choices insert end [GetColormapList -includeElementDefault]
2424	$itk_component(moleculepalette) value "elementDefault"
2425	bind $inner.palette <<Value>> \
2426	[itcl::code $this AdjustSetting molecule-palette]
2427
2428	label $inner.atomscale_l -text "Atom Scale" -font "Arial 9"
2429	::scale $inner.atomscale -width 15 -font "Arial 7" \
2430	-from 0.025 -to 2.0 -resolution 0.025 -label "" \
2431	-showvalue true -orient horizontal \
2432	-command [itcl::code $this EventuallySetAtomScale] \
2433	-variable [itcl::scope _settings(molecule-atomscale)]
2434	$inner.atomscale set $_settings(molecule-atomscale)
2435	Rappture::Tooltip::for $inner.atomscale \
2436	"Adjust relative scale of atoms (spheres or balls)."
2437
2438	label $inner.bondscale_l -text "Bond Scale" -font "Arial 9"
2439	::scale $inner.bondscale -width 15 -font "Arial 7" \
2440	-from 0.005 -to 0.3 -resolution 0.005 -label "" \
2441	-showvalue true -orient horizontal \
2442	-command [itcl::code $this EventuallySetBondScale] \
2443	-variable [itcl::scope _settings(molecule-bondscale)]
2444	Rappture::Tooltip::for $inner.bondscale \
2445	"Adjust scale of bonds (sticks)."
2446	$inner.bondscale set $_settings(molecule-bondscale)
2447
2448	label $inner.opacity_l -text "Opacity" -font "Arial 9"
2449	::scale $inner.opacity -from 0 -to 100 -orient horizontal \
2450	-variable [itcl::scope _settings(molecule-opacity)] \
2451	-width 15 -font "Arial 7" \
2452	-showvalue on \
2453	-command [itcl::code $this EventuallySetMoleculeOpacity]
2454
2455	label $inner.quality_l -text "Quality" -font "Arial 9"
2456	::scale $inner.quality -width 15 -font "Arial 7" \
2457	-from 0.0 -to 10.0 -resolution 0.1 -label "" \
2458	-showvalue true -orient horizontal \
2459	-command [itcl::code $this EventuallySetMoleculeQuality] \
2460	-variable [itcl::scope _settings(molecule-quality)]
2461	Rappture::Tooltip::for $inner.quality \
2462	"Adjust tesselation quality"
2463	$inner.quality set $_settings(molecule-quality)
2464
2465	blt::table $inner \
2466	0,0 $inner.molecule -anchor w -pady {1 0} \
2467	1,0 $inner.outline -anchor w -pady {1 0} \
2468	2,0 $inner.label -anchor w -pady {1 0} \
2469	3,0 $inner.edges -anchor w -pady {1 0} \
2470	4,0 $inner.rep_l -anchor w -pady { 2 0 } \
2471	5,0 $inner.rep -fill x -pady 2 \
2472	6,0 $inner.rscale_l -anchor w -pady { 2 0 } \
2473	7,0 $inner.rscale -fill x -pady 2 \
2474	8,0 $inner.palette_l -anchor w -pady 0 \
2475	9,0 $inner.palette -fill x -padx 2 \
2476	10,0 $inner.atomscale_l -anchor w -pady {3 0} \
2477	11,0 $inner.atomscale -fill x -padx 2 \
2478	12,0 $inner.bondscale_l -anchor w -pady {3 0} \
2479	13,0 $inner.bondscale -fill x -padx 2 \
2480	14,0 $inner.opacity_l -anchor w -pady {3 0} \
2481	15,0 $inner.opacity -fill x -padx 2 \
2482	16,0 $inner.quality_l -anchor w -pady {3 0} \
2483	17,0 $inner.quality -fill x -padx 2
2484
2485	blt::table configure $inner r* -resize none
2486	blt::table configure $inner r18 -resize expand
2487	}
2488
2489	#
2490	# camera --
2491	#
2492	itcl::body Rappture::VtkViewer::camera {option args} {
2493	switch -- $option {
2494	"show" {
2495	puts [array get _view]
2496	}
2497	"set" {
2498	set who [lindex $args 0]
2499	set x $_view($who)
2500	set code [catch { string is double $x } result]
2501	if { $code != 0 \|\| !$result } {
2502	return
2503	}
2504	switch -- $who {
2505	"ortho" {
2506	if {$_view(ortho)} {
2507	SendCmd "camera mode ortho"
2508	} else {
2509	SendCmd "camera mode persp"
2510	}
2511	}
2512	"xpan" - "ypan" {
2513	PanCamera
2514	}
2515	"qx" - "qy" - "qz" - "qw" {
2516	set q [list $_view(qw) $_view(qx) $_view(qy) $_view(qz)]
2517	$_arcball quaternion $q
2518	EventuallyRotate $q
2519	}
2520	"zoom" {
2521	SendCmd "camera zoom $_view(zoom)"
2522	}
2523	}
2524	}
2525	}
2526	}
2527
2528	itcl::body Rappture::VtkViewer::GetVtkData { args } {
2529	set bytes ""
2530	foreach dataobj [get] {
2531	foreach comp [$dataobj components] {
2532	set tag $dataobj-$comp
2533	set contents [$dataobj data $comp]
2534	append bytes "$contents\n"
2535	}
2536	}
2537	return [list .vtk $bytes]
2538	}
2539
2540	itcl::body Rappture::VtkViewer::GetImage { args } {
2541	if { [image width $_image(download)] > 0 &&
2542	[image height $_image(download)] > 0 } {
2543	set bytes [$_image(download) data -format "jpeg -quality 100"]
2544	set bytes [Rappture::encoding::decode -as b64 $bytes]
2545	return [list .jpg $bytes]
2546	}
2547	return ""
2548	}
2549
2550	itcl::body Rappture::VtkViewer::BuildDownloadPopup { popup command } {
2551	Rappture::Balloon $popup \
2552	-title "[Rappture::filexfer::label downloadWord] as..."
2553	set inner [$popup component inner]
2554	label $inner.summary -text "" -anchor w
2555	radiobutton $inner.vtk_button -text "VTK data file" \
2556	-variable [itcl::scope _downloadPopup(format)] \
2557	-font "Helvetica 9 " \
2558	-value vtk
2559	Rappture::Tooltip::for $inner.vtk_button "Save as VTK data file."
2560	radiobutton $inner.image_button -text "Image File" \
2561	-variable [itcl::scope _downloadPopup(format)] \
2562	-value image
2563	Rappture::Tooltip::for $inner.image_button \
2564	"Save as digital image."
2565
2566	button $inner.ok -text "Save" \
2567	-highlightthickness 0 -pady 2 -padx 3 \
2568	-command $command \
2569	-compound left \
2570	-image [Rappture::icon download]
2571
2572	button $inner.cancel -text "Cancel" \
2573	-highlightthickness 0 -pady 2 -padx 3 \
2574	-command [list $popup deactivate] \
2575	-compound left \
2576	-image [Rappture::icon cancel]
2577
2578	blt::table $inner \
2579	0,0 $inner.summary -cspan 2 \
2580	1,0 $inner.vtk_button -anchor w -cspan 2 -padx { 4 0 } \
2581	2,0 $inner.image_button -anchor w -cspan 2 -padx { 4 0 } \
2582	4,1 $inner.cancel -width .9i -fill y \
2583	4,0 $inner.ok -padx 2 -width .9i -fill y
2584	blt::table configure $inner r3 -height 4
2585	blt::table configure $inner r4 -pady 4
2586	raise $inner.image_button
2587	$inner.vtk_button invoke
2588	return $inner
2589	}
2590
2591	itcl::body Rappture::VtkViewer::SetObjectStyle { dataobj comp } {
2592	# Parse style string.
2593	set tag $dataobj-$comp
2594	set type [$dataobj type $comp]
2595	set style [$dataobj style $comp]
2596	if { $dataobj != $_first } {
2597	set settings(-wireframe) 1
2598	}
2599	switch -- $type {
2600	"glyphs" {
2601	array set settings {
2602	-color white
2603	-edgecolor black
2604	-edges 0
2605	-gscale 1
2606	-lighting 1
2607	-linewidth 1.0
2608	-normscale 0
2609	-opacity 1.0
2610	-orientGlyphs 0
2611	-outline 0
2612	-ptsize 1.0
2613	-quality 1
2614	-scaleMode "vcomp"
2615	-shape "sphere"
2616	-visible 1
2617	-wireframe 0
2618	}
2619	array set settings $style
2620	set shape [$dataobj shape $comp]
2621	if {$shape != ""} {
2622	set settings(-shape) $shape
2623	}
2624	SendCmd "outline add $tag"
2625	SendCmd "outline color [Color2RGB $settings(-color)] $tag"
2626	SendCmd "outline visible $settings(-outline) $tag"
2627	set _settings(glyphs-outline) $settings(-outline)
2628
2629	SendCmd "glyphs add $settings(-shape) $tag"
2630	SendCmd "glyphs normscale $settings(-normscale) $tag"
2631	SendCmd "glyphs gscale $settings(-gscale) $tag"
2632	SendCmd "glyphs wireframe $settings(-wireframe) $tag"
2633	SendCmd "glyphs color [Color2RGB $settings(-color)] $tag"
2634	#SendCmd "glyphs colormode constant {} $tag"
2635	# Omitting field name for gorient and smode commands
2636	# defaults to active scalars or vectors depending on mode
2637	SendCmd "glyphs gorient $settings(-orientGlyphs) {} $tag"
2638	SendCmd "glyphs smode $settings(-scaleMode) {} $tag"
2639	SendCmd "glyphs edges $settings(-edges) $tag"
2640	SendCmd "glyphs linecolor [Color2RGB $settings(-edgecolor)] $tag"
2641	SendCmd "glyphs linewidth $settings(-linewidth) $tag"
2642	SendCmd "glyphs ptsize $settings(-ptsize) $tag"
2643	SendCmd "glyphs quality $settings(-quality) $tag"
2644	SendCmd "glyphs lighting $settings(-lighting) $tag"
2645	SendCmd "glyphs opacity $settings(-opacity) $tag"
2646	set _settings(glyphs-opacity) [expr 100.0 * $settings(-opacity)]
2647	SendCmd "glyphs visible $settings(-visible) $tag"
2648	set _settings(glyphs-wireframe) $settings(-wireframe)
2649	}
2650	"molecule" {
2651	array set settings {
2652	-atomscale 0.3
2653	-atomsvisible 1
2654	-bondscale 0.075
2655	-bondstyle "cylinder"
2656	-bondsvisible 1
2657	-edgecolor black
2658	-edges 0
2659	-labels 0
2660	-lighting 1
2661	-linewidth 1.0
2662	-opacity 1.0
2663	-outline 0
2664	-quality 1.0
2665	-representation ""
2666	-rscale "covalent"
2667	-visible 1
2668	-wireframe 0
2669	}
2670	array set settings $style
2671
2672	SendCmd "outline add $tag"
2673	SendCmd "outline color [Color2RGB white] $tag"
2674	SendCmd "outline visible $settings(-outline) $tag"
2675	set _settings(molecule-outline) $settings(-outline)
2676
2677	SendCmd "molecule add $tag"
2678	if {$settings(-representation) != ""} {
2679	switch -- $settings(-representation) {
2680	"ballandstick" {
2681	set _settings(molecule-rscale) covalent
2682	set _settings(molecule-atoms-visible) 1
2683	set _settings(molecule-bonds-visible) 1
2684	set _settings(molecule-bondstyle) cylinder
2685	set _settings(molecule-atomscale) 0.3
2686	set _settings(molecule-bondscale) 0.075
2687	}
2688	"balls" - "spheres" {
2689	set _settings(molecule-rscale) covalent
2690	set _settings(molecule-atoms-visible) 1
2691	set _settings(molecule-bonds-visible) 0
2692	set _settings(molecule-bondstyle) cylinder
2693	set _settings(molecule-atomscale) 0.3
2694	set _settings(molecule-bondscale) 0.075
2695	}
2696	"sticks" {
2697	set _settings(molecule-rscale) none
2698	set _settings(molecule-atoms-visible) 1
2699	set _settings(molecule-bonds-visible) 1
2700	set _settings(molecule-bondstyle) cylinder
2701	set _settings(molecule-atomscale) 0.075
2702	set _settings(molecule-bondscale) 0.075
2703	}
2704	"spacefilling" {
2705	set _settings(molecule-rscale) van_der_waals
2706	set _settings(molecule-atoms-visible) 1
2707	set _settings(molecule-bonds-visible) 0
2708	set _settings(molecule-bondstyle) cylinder
2709	set _settings(molecule-atomscale) 1.0
2710	set _settings(molecule-bondscale) 0.075
2711	}
2712	"rods" {
2713	set _settings(molecule-rscale) none
2714	set _settings(molecule-atoms-visible) 1
2715	set _settings(molecule-bonds-visible) 1
2716	set _settings(molecule-bondstyle) cylinder
2717	set _settings(molecule-atomscale) 0.1
2718	set _settings(molecule-bondscale) 0.1
2719	}
2720	"wireframe" - "lines" {
2721	set _settings(molecule-rscale) none
2722	set _settings(molecule-atoms-visible) 0
2723	set _settings(molecule-bonds-visible) 1
2724	set _settings(molecule-bondstyle) line
2725	set _settings(molecule-atomscale) 1.0
2726	set _settings(molecule-bondscale) 1.0
2727	}
2728	default {
2729	error "unknown representation $value"
2730	}
2731	}
2732	SendCmd "molecule rscale $_settings(molecule-rscale) $tag"
2733	SendCmd "molecule atoms $_settings(molecule-atoms-visible) $tag"
2734	SendCmd "molecule bonds $_settings(molecule-bonds-visible) $tag"
2735	SendCmd "molecule bstyle $_settings(molecule-bondstyle) $tag"
2736	SendCmd "molecule ascale $_settings(molecule-atomscale) $tag"
2737	SendCmd "molecule bscale $_settings(molecule-bondscale) $tag"
2738	$itk_component(representation) value [$itk_component(representation) label $settings(-representation)]
2739	$itk_component(rscale) value [$itk_component(rscale) label $_settings(molecule-rscale)]
2740	switch -- $settings(-representation) {
2741	"ballandstick" - "balls" - "spheres" {
2742	$itk_component(rscale) configure -state normal
2743	}
2744	default {
2745	$itk_component(rscale) configure -state disabled
2746	}
2747	}
2748	} else {
2749	SendCmd "molecule rscale $settings(-rscale) $tag"
2750	set _settings(molecule-rscale) $settings(-rscale)
2751	SendCmd "molecule atoms $settings(-atomsvisible) $tag"
2752	set _settings(molecule-atoms-visible) $settings(-atomsvisible)
2753	SendCmd "molecule bonds $settings(-bondsvisible) $tag"
2754	set _settings(molecule-bonds-visible) $settings(-bondsvisible)
2755	SendCmd "molecule bstyle $settings(-bondstyle) $tag"
2756	set _settings(molecule-bondstyle) $settings(-bondstyle)
2757	SendCmd "molecule ascale $settings(-atomscale) $tag"
2758	set _settings(molecule-atomscale) $settings(-atomscale)
2759	SendCmd "molecule bscale $settings(-bondscale) $tag"
2760	set _settings(molecule-bondscale) $settings(-bondscale)
2761	}
2762	SendCmd "molecule labels $settings(-labels) $tag"
2763	set _settings(molecule-labels) $settings(-labels)
2764	SendCmd "molecule linecolor [Color2RGB $settings(-edgecolor)] $tag"
2765	SendCmd "molecule linewidth $settings(-linewidth) $tag"
2766	SendCmd "molecule edges $settings(-edges) $tag"
2767	set _settings(molecule-edges) $settings(-edges)
2768	SendCmd "molecule lighting $settings(-lighting) $tag"
2769	set _settings(molecule-lighting) $settings(-lighting)
2770	SendCmd "molecule aquality $settings(-quality) $tag"
2771	SendCmd "molecule bquality $settings(-quality) $tag"
2772	set _settings(molecule-quality) $settings(-quality)
2773	SendCmd "molecule visible $settings(-visible) $tag"
2774	set _settings(molecule-visible) $settings(-visible)
2775	set _haveMolecules 1
2776	}
2777	"polydata" {
2778	array set settings {
2779	-cloudstyle "mesh"
2780	-color white
2781	-edgecolor black
2782	-edges 1
2783	-lighting 1
2784	-linewidth 1.0
2785	-opacity 1.0
2786	-outline 0
2787	-visible 1
2788	-wireframe 0
2789	}
2790	array set settings $style
2791
2792	SendCmd "outline add $tag"
2793	SendCmd "outline color [Color2RGB $settings(-color)] $tag"
2794	SendCmd "outline visible $settings(-outline) $tag"
2795	set _settings(polydata-outline) $settings(-outline)
2796
2797	SendCmd "polydata add $tag"
2798	SendCmd "polydata visible $settings(-visible) $tag"
2799	set _settings(polydata-visible) $settings(-visible)
2800	SendCmd "polydata edges $settings(-edges) $tag"
2801	set _settings(polydata-edges) $settings(-edges)
2802	SendCmd "polydata cloudstyle $settings(-cloudstyle) $tag"
2803	SendCmd "polydata color [Color2RGB $settings(-color)] $tag"
2804	#SendCmd "polydata colormode constant {} $tag"
2805	SendCmd "polydata lighting $settings(-lighting) $tag"
2806	set _settings(polydata-lighting) $settings(-lighting)
2807	SendCmd "polydata linecolor [Color2RGB $settings(-edgecolor)] $tag"
2808	SendCmd "polydata linewidth $settings(-linewidth) $tag"
2809	SendCmd "polydata opacity $settings(-opacity) $tag"
2810	set _settings(polydata-opacity) [expr 100.0 * $settings(-opacity)]
2811	SendCmd "polydata wireframe $settings(-wireframe) $tag"
2812	set _settings(polydata-wireframe) $settings(-wireframe)
2813	set havePolyData 1
2814	}
2815	}
2816	SetColormap $dataobj $comp
2817	}
2818
2819	itcl::body Rappture::VtkViewer::IsValidObject { dataobj } {
2820	if {[catch {$dataobj isa Rappture::Drawing} valid] != 0 \|\| !$valid} {
2821	return 0
2822	}
2823	return 1
2824	}
2825
2826	# ----------------------------------------------------------------------
2827	# USAGE: ReceiveLegend <colormap> <title> <vmin> <vmax> <size>
2828	#
2829	# Invoked automatically whenever the "legend" command comes in from
2830	# the rendering server. Indicates that binary image data with the
2831	# specified <size> will follow.
2832	# ----------------------------------------------------------------------
2833	itcl::body Rappture::VtkViewer::ReceiveLegend { colormap title vmin vmax size } {
2834	set _limits(vmin) $vmin
2835	set _limits(vmax) $vmax
2836	set _title $title
2837	if { [IsConnected] } {
2838	set bytes [ReceiveBytes $size]
2839	if { ![info exists _image(legend)] } {
2840	set _image(legend) [image create photo]
2841	}
2842	$_image(legend) configure -data $bytes
2843	DrawLegend
2844	}
2845	}
2846
2847	#
2848	# DrawLegend --
2849	#
2850	# Draws the legend in it's own canvas which resides to the right
2851	# of the contour plot area.
2852	#
2853	itcl::body Rappture::VtkViewer::DrawLegend {} {
2854	set c $itk_component(view)
2855	set w [winfo width $c]
2856	set h [winfo height $c]
2857	set font "Arial 8"
2858	set lineht [font metrics $font -linespace]
2859
2860	if { $_settings(legend) } {
2861	set x [expr $w - 2]
2862	if { [$c find withtag "legend"] == "" } {
2863	$c create image $x [expr {$lineht+2}] \
2864	-anchor ne \
2865	-image $_image(legend) -tags "colormap legend"
2866	$c create text $x 2 \
2867	-anchor ne \
2868	-fill $itk_option(-plotforeground) -tags "vmax legend" \
2869	-font $font
2870	$c create text $x [expr {$h-2}] \
2871	-anchor se \
2872	-fill $itk_option(-plotforeground) -tags "vmin legend" \
2873	-font $font
2874	#$c bind colormap <Enter> [itcl::code $this EnterLegend %x %y]
2875	$c bind colormap <Leave> [itcl::code $this LeaveLegend]
2876	$c bind colormap <Motion> [itcl::code $this MotionLegend %x %y]
2877	}
2878	# Reset the item coordinates according the current size of the plot.
2879	$c coords colormap $x [expr {$lineht+2}]
2880	if { $_limits(vmin) != "" } {
2881	$c itemconfigure vmin -text [format %g $_limits(vmin)]
2882	}
2883	if { $_limits(vmax) != "" } {
2884	$c itemconfigure vmax -text [format %g $_limits(vmax)]
2885	}
2886	$c coords vmin $x [expr {$h-2}]
2887	$c coords vmax $x 2
2888	}
2889	}
2890
2891	#
2892	# EnterLegend --
2893	#
2894	itcl::body Rappture::VtkViewer::EnterLegend { x y } {
2895	SetLegendTip $x $y
2896	}
2897
2898	#
2899	# MotionLegend --
2900	#
2901	itcl::body Rappture::VtkViewer::MotionLegend { x y } {
2902	Rappture::Tooltip::tooltip cancel
2903	set c $itk_component(view)
2904	SetLegendTip $x $y
2905	}
2906
2907	#
2908	# LeaveLegend --
2909	#
2910	itcl::body Rappture::VtkViewer::LeaveLegend { } {
2911	Rappture::Tooltip::tooltip cancel
2912	.rappturetooltip configure -icon ""
2913	}
2914
2915	#
2916	# SetLegendTip --
2917	#
2918	itcl::body Rappture::VtkViewer::SetLegendTip { x y } {
2919	set c $itk_component(view)
2920	set w [winfo width $c]
2921	set h [winfo height $c]
2922	set font "Arial 8"
2923	set lineht [font metrics $font -linespace]
2924
2925	set imgHeight [image height $_image(legend)]
2926	set coords [$c coords colormap]
2927	set imgX [expr $w - [image width $_image(legend)] - 2]
2928	set imgY [expr $y - $lineht - 2]
2929
2930	# Make a swatch of the selected color
2931	if { [catch { $_image(legend) get 10 $imgY } pixel] != 0 } {
2932	return
2933	}
2934	if { ![info exists _image(swatch)] } {
2935	set _image(swatch) [image create photo -width 24 -height 24]
2936	}
2937	set color [eval format "\#%02x%02x%02x" $pixel]
2938	$_image(swatch) put black -to 0 0 23 23
2939	$_image(swatch) put $color -to 1 1 22 22
2940	.rappturetooltip configure -icon $_image(swatch)
2941
2942	# Compute the value of the point
2943	set t [expr 1.0 - (double($imgY) / double($imgHeight-1))]
2944	set value [expr $t * ($_limits(vmax) - $_limits(vmin)) + $_limits(vmin)]
2945	set tipx [expr $x + 15]
2946	set tipy [expr $y - 5]
2947	Rappture::Tooltip::text $c "$_title $value"
2948	Rappture::Tooltip::tooltip show $c +$tipx,+$tipy
2949	}
2950
2951	# ----------------------------------------------------------------------
2952	# USAGE: Slice move x\|y\|z <newval>
2953	#
2954	# Called automatically when the user drags the slider to move the
2955	# cut plane that slices 3D data. Gets the current value from the
2956	# slider and moves the cut plane to the appropriate point in the
2957	# data set.
2958	# ----------------------------------------------------------------------
2959	itcl::body Rappture::VtkViewer::Slice {option args} {
2960	switch -- $option {
2961	"move" {
2962	set axis [lindex $args 0]
2963	set newval [lindex $args 1]
2964	if {[llength $args] != 2} {
2965	error "wrong # args: should be \"Slice move x\|y\|z newval\""
2966	}
2967	set newpos [expr {0.01*$newval}]
2968	SendCmd "renderer clipplane $axis $newpos -1"
2969	}
2970	"tooltip" {
2971	set axis [lindex $args 0]
2972	set val [$itk_component(${axis}CutScale) get]
2973	return "Move the [string toupper $axis] cut plane.\nCurrently: $axis = $val%"
2974	}
2975	default {
2976	error "bad option \"$option\": should be axis, move, or tooltip"
2977	}
2978	}
2979	}
2980
2981	itcl::body Rappture::VtkViewer::SetOrientation { side } {
2982	array set positions {
2983	front "1 0 0 0"
2984	back "0 0 1 0"
2985	left "0.707107 0 -0.707107 0"
2986	right "0.707107 0 0.707107 0"
2987	top "0.707107 -0.707107 0 0"
2988	bottom "0.707107 0.707107 0 0"
2989	}
2990	foreach name { qw qx qy qz } value $positions($side) {
2991	set _view($name) $value
2992	}
2993	set q [list $_view(qw) $_view(qx) $_view(qy) $_view(qz)]
2994	$_arcball quaternion $q
2995	SendCmd "camera orient $q"
2996	SendCmd "camera reset"
2997	set _view(xpan) 0
2998	set _view(ypan) 0
2999	set _view(zoom) 1.0
3000	}
3001
3002	itcl::body Rappture::VtkViewer::SetOpacity { dataset } {
3003	foreach {dataobj comp} [split $dataset -] break
3004	set type [$dataobj type $comp]
3005	set val $_settings($type-opacity)
3006	set sval [expr { 0.01 * double($val) }]
3007	if { !$_obj2ovride($dataobj-raise) } {
3008	# This is wrong. Need to figure out why raise isn't set with 1
3009	#set sval [expr $sval * .6]
3010	}
3011	SendCmd "$type opacity $sval $dataset"
3012	}

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