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source: branches/1.3/gui/scripts/vtkglyphviewer.tcl @ 4449

Last change on this file since 4449 was 4449, checked in by ldelgass, 10 years ago
Use GetColormapList? method
File size: 81.4 KB

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1	# -- mode: tcl; indent-tabs-mode: nil --
2
3	# ----------------------------------------------------------------------
4	# COMPONENT: vtkglyphviewer - Vtk 3D glyphs object viewer
5	#
6	# It connects to the Vtk server running on a rendering farm,
7	# transmits data, and displays the results.
8	# ======================================================================
9	# AUTHOR: Michael McLennan, Purdue University
10	# Copyright (c) 2004-2005 Purdue Research Foundation
11	#
12	# See the file "license.terms" for information on usage and
13	# redistribution of this file, and for a DISCLAIMER OF ALL WARRANTIES.
14	# ======================================================================
15	package require Itk
16	package require BLT
17	#package require Img
18
19	option add *VtkGlyphViewer.width 4i widgetDefault
20	option add VtkGlyphViewercursor crosshair widgetDefault
21	option add *VtkGlyphViewer.height 4i widgetDefault
22	option add *VtkGlyphViewer.foreground black widgetDefault
23	option add *VtkGlyphViewer.controlBackground gray widgetDefault
24	option add *VtkGlyphViewer.controlDarkBackground #999999 widgetDefault
25	option add *VtkGlyphViewer.plotBackground black widgetDefault
26	option add *VtkGlyphViewer.plotForeground white widgetDefault
27	option add *VtkGlyphViewer.font \
28	--helvetica-medium-r-normal--12-* widgetDefault
29
30	# must use this name -- plugs into Rappture::resources::load
31	proc VtkGlyphViewer_init_resources {} {
32	Rappture::resources::register \
33	vtkvis_server Rappture::VtkGlyphViewer::SetServerList
34	}
35
36	itcl::class Rappture::VtkGlyphViewer {
37	inherit Rappture::VisViewer
38
39	itk_option define -plotforeground plotForeground Foreground ""
40	itk_option define -plotbackground plotBackground Background ""
41
42	constructor { hostlist args } {
43	Rappture::VisViewer::constructor $hostlist
44	} {
45	# defined below
46	}
47	destructor {
48	# defined below
49	}
50	public proc SetServerList { namelist } {
51	Rappture::VisViewer::SetServerList "vtkvis" $namelist
52	}
53	public method add {dataobj {settings ""}}
54	public method camera {option args}
55	public method delete {args}
56	public method disconnect {}
57	public method download {option args}
58	public method get {args}
59	public method isconnected {}
60	public method limits { colormap }
61	public method parameters {title args} {
62	# do nothing
63	}
64	public method scale {args}
65
66	protected method Connect {}
67	protected method CurrentDatasets {args}
68	protected method Disconnect {}
69	protected method DoResize {}
70	protected method DoRotate {}
71	protected method AdjustSetting {what {value ""}}
72	protected method InitSettings { args }
73	protected method Pan {option x y}
74	protected method Pick {x y}
75	protected method Rebuild {}
76	protected method ReceiveDataset { args }
77	protected method ReceiveImage { args }
78	protected method ReceiveLegend { colormap title vmin vmax size }
79	protected method Rotate {option x y}
80	protected method Zoom {option}
81
82	# The following methods are only used by this class.
83	private method BuildAxisTab {}
84	private method BuildCameraTab {}
85	private method BuildColormap { name }
86	private method BuildCutplaneTab {}
87	private method BuildDownloadPopup { widget command }
88	private method BuildGlyphTab {}
89	private method DrawLegend {}
90	private method Combo { option }
91	private method EnterLegend { x y }
92	private method EventuallyResize { w h }
93	private method EventuallyRotate { q }
94	private method EventuallyRequestLegend {}
95	private method EventuallySetCutplane { axis args }
96	private method GetImage { args }
97	private method GetVtkData { args }
98	private method IsValidObject { dataobj }
99	private method LeaveLegend {}
100	private method MotionLegend { x y }
101	private method PanCamera {}
102	private method RequestLegend {}
103	private method SetLegendTip { x y }
104	private method SetObjectStyle { dataobj comp }
105	private method Slice {option args}
106	private method SetCurrentColormap { color }
107	private method SetOrientation { side }
108
109	private variable _arcball ""
110
111	private variable _dlist "" ; # list of data objects
112	private variable _obj2datasets
113	private variable _obj2ovride ; # maps dataobj => style override
114	private variable _datasets ; # contains all the dataobj-component
115	; # datasets in the server
116	private variable _colormaps ; # contains all the colormaps
117	; # in the server.
118	# The name of the current colormap used. The colormap is global to all
119	# heightmaps displayed.
120	private variable _currentColormap ""
121
122	private variable _dataset2style ;# maps dataobj-component to transfunc
123
124	private variable _click ; # info used for rotate operations
125	private variable _limits ; # autoscale min/max for all axes
126	private variable _view ; # view params for 3D view
127	private variable _settings
128	private variable _style; # Array of current component styles.
129	private variable _changed
130	private variable _initialStyle; # Array of initial component styles.
131	private variable _reset 1; # indicates if camera needs to be reset
132	# to starting position.
133
134	private variable _first "" ; # This is the topmost dataset.
135	private variable _start 0
136	private variable _title ""
137
138	common _downloadPopup; # download options from popup
139	private common _hardcopy
140	private variable _width 0
141	private variable _height 0
142	private variable _resizePending 0
143	private variable _rotatePending 0
144	private variable _cutplanePending 0
145	private variable _legendPending 0
146	private variable _field ""
147	private variable _colorMode "vmag"; # Mode of colormap (vmag or scalar)
148	private variable _fieldNames {}
149	private variable _fields
150	private variable _curFldName ""
151	private variable _curFldLabel ""
152	}
153
154	itk::usual VtkGlyphViewer {
155	keep -background -foreground -cursor -font
156	keep -plotbackground -plotforeground
157	}
158
159	# ----------------------------------------------------------------------
160	# CONSTRUCTOR
161	# ----------------------------------------------------------------------
162	itcl::body Rappture::VtkGlyphViewer::constructor {hostlist args} {
163	package require vtk
164	set _serverType "vtkvis"
165
166	# Rebuild event
167	$_dispatcher register !rebuild
168	$_dispatcher dispatch $this !rebuild "[itcl::code $this Rebuild]; list"
169
170	# Resize event
171	$_dispatcher register !resize
172	$_dispatcher dispatch $this !resize "[itcl::code $this DoResize]; list"
173
174	# Rotate event
175	$_dispatcher register !rotate
176	$_dispatcher dispatch $this !rotate "[itcl::code $this DoRotate]; list"
177
178	# Legend event
179	$_dispatcher register !legend
180	$_dispatcher dispatch $this !legend "[itcl::code $this RequestLegend]; list"
181
182	# X-Cutplane event
183	$_dispatcher register !xcutplane
184	$_dispatcher dispatch $this !xcutplane \
185	"[itcl::code $this AdjustSetting cutplaneXPosition]; list"
186
187	# Y-Cutplane event
188	$_dispatcher register !ycutplane
189	$_dispatcher dispatch $this !ycutplane \
190	"[itcl::code $this AdjustSetting cutplaneYPosition]; list"
191
192	# Z-Cutplane event
193	$_dispatcher register !zcutplane
194	$_dispatcher dispatch $this !zcutplane \
195	"[itcl::code $this AdjustSetting cutplaneZPosition]; list"
196
197	#
198	# Populate parser with commands handle incoming requests
199	#
200	$_parser alias image [itcl::code $this ReceiveImage]
201	$_parser alias dataset [itcl::code $this ReceiveDataset]
202	$_parser alias legend [itcl::code $this ReceiveLegend]
203
204	# Initialize the view to some default parameters.
205	array set _view {
206	qw 0.853553
207	qx -0.353553
208	qy 0.353553
209	qz 0.146447
210	zoom 1.0
211	xpan 0
212	ypan 0
213	ortho 0
214	}
215	set _arcball [blt::arcball create 100 100]
216	set q [list $_view(qw) $_view(qx) $_view(qy) $_view(qz)]
217	$_arcball quaternion $q
218
219	array set _settings [subst {
220	background black
221	colormap BCGYR
222	colormapVisible 1
223	field "Default"
224	axesVisible 1
225	axisLabelsVisible 1
226	axisXGrid 0
227	axisYGrid 0
228	axisZGrid 0
229	cutplaneEdges 0
230	cutplaneLighting 1
231	cutplanePreinterp 1
232	cutplaneOpacity 100
233	cutplaneVisible 0
234	cutplaneWireframe 0
235	cutplaneXPosition 50
236	cutplaneXVisible 1
237	cutplaneYPosition 50
238	cutplaneYVisible 1
239	cutplaneZPosition 50
240	cutplaneZVisible 1
241	glyphEdges 0
242	glyphLighting 1
243	glyphOpacity 100
244	saveGlyphOpacity 100
245	glyphOutline 0
246	glyphVisible 1
247	glyphWireframe 0
248	legendVisible 1
249	}]
250	array set _changed {
251	glyphOpacity 0
252	colormap 0
253	}
254
255	itk_component add view {
256	canvas $itk_component(plotarea).view \
257	-highlightthickness 0 -borderwidth 0
258	} {
259	usual
260	ignore -highlightthickness -borderwidth -background
261	}
262
263	itk_component add fieldmenu {
264	menu $itk_component(plotarea).menu -bg black -fg white -relief flat \
265	-tearoff no
266	} {
267	usual
268	ignore -background -foreground -relief -tearoff
269	}
270	set c $itk_component(view)
271	bind $c <Configure> [itcl::code $this EventuallyResize %w %h]
272	bind $c <4> [itcl::code $this Zoom in 0.25]
273	bind $c <5> [itcl::code $this Zoom out 0.25]
274	bind $c <KeyPress-Left> [list %W xview scroll 10 units]
275	bind $c <KeyPress-Right> [list %W xview scroll -10 units]
276	bind $c <KeyPress-Up> [list %W yview scroll 10 units]
277	bind $c <KeyPress-Down> [list %W yview scroll -10 units]
278	bind $c <Enter> "focus %W"
279	bind $c <Control-F1> [itcl::code $this ToggleConsole]
280
281	# Fix the scrollregion in case we go off screen
282	$c configure -scrollregion [$c bbox all]
283
284	set _map(id) [$c create image 0 0 -anchor nw -image $_image(plot)]
285	set _map(cwidth) -1
286	set _map(cheight) -1
287	set _map(zoom) 1.0
288	set _map(original) ""
289
290	set f [$itk_component(main) component controls]
291	itk_component add reset {
292	button $f.reset -borderwidth 1 -padx 1 -pady 1 \
293	-highlightthickness 0 \
294	-image [Rappture::icon reset-view] \
295	-command [itcl::code $this Zoom reset]
296	} {
297	usual
298	ignore -highlightthickness
299	}
300	pack $itk_component(reset) -side top -padx 2 -pady 2
301	Rappture::Tooltip::for $itk_component(reset) \
302	"Reset the view to the default zoom level"
303
304	itk_component add zoomin {
305	button $f.zin -borderwidth 1 -padx 1 -pady 1 \
306	-highlightthickness 0 \
307	-image [Rappture::icon zoom-in] \
308	-command [itcl::code $this Zoom in]
309	} {
310	usual
311	ignore -highlightthickness
312	}
313	pack $itk_component(zoomin) -side top -padx 2 -pady 2
314	Rappture::Tooltip::for $itk_component(zoomin) "Zoom in"
315
316	itk_component add zoomout {
317	button $f.zout -borderwidth 1 -padx 1 -pady 1 \
318	-highlightthickness 0 \
319	-image [Rappture::icon zoom-out] \
320	-command [itcl::code $this Zoom out]
321	} {
322	usual
323	ignore -highlightthickness
324	}
325	pack $itk_component(zoomout) -side top -padx 2 -pady 2
326	Rappture::Tooltip::for $itk_component(zoomout) "Zoom out"
327
328	itk_component add glyphs {
329	Rappture::PushButton $f.glyphs \
330	-onimage [Rappture::icon volume-on] \
331	-offimage [Rappture::icon volume-off] \
332	-variable [itcl::scope _settings(glyphVisible)] \
333	-command [itcl::code $this AdjustSetting glyphVisible]
334	}
335	$itk_component(glyphs) select
336	Rappture::Tooltip::for $itk_component(glyphs) \
337	"Don't display the glyphs"
338	pack $itk_component(glyphs) -padx 2 -pady 2
339
340	if {0} {
341	itk_component add cutplane {
342	Rappture::PushButton $f.cutplane \
343	-onimage [Rappture::icon cutbutton] \
344	-offimage [Rappture::icon cutbutton] \
345	-variable [itcl::scope _settings(cutplaneVisible)] \
346	-command [itcl::code $this AdjustSetting cutplaneVisible]
347	}
348	Rappture::Tooltip::for $itk_component(cutplane) \
349	"Show/Hide cutplanes"
350	pack $itk_component(cutplane) -padx 2 -pady 2
351	}
352
353	if { [catch {
354	BuildGlyphTab
355	#BuildCutplaneTab
356	BuildAxisTab
357	BuildCameraTab
358	} errs] != 0 } {
359	puts stderr errs=$errs
360	}
361	# Legend
362
363	set _image(legend) [image create photo]
364	itk_component add legend {
365	canvas $itk_component(plotarea).legend -width 50 -highlightthickness 0
366	} {
367	usual
368	ignore -highlightthickness
369	rename -background -plotbackground plotBackground Background
370	}
371
372	# Hack around the Tk panewindow. The problem is that the requested
373	# size of the 3d view isn't set until an image is retrieved from
374	# the server. So the panewindow uses the tiny size.
375	set w 10000
376	pack forget $itk_component(view)
377	blt::table $itk_component(plotarea) \
378	0,0 $itk_component(view) -fill both -reqwidth $w
379	blt::table configure $itk_component(plotarea) c1 -resize none
380
381	# Bindings for rotation via mouse
382	bind $itk_component(view) <ButtonPress-1> \
383	[itcl::code $this Rotate click %x %y]
384	bind $itk_component(view) <B1-Motion> \
385	[itcl::code $this Rotate drag %x %y]
386	bind $itk_component(view) <ButtonRelease-1> \
387	[itcl::code $this Rotate release %x %y]
388
389	# Bindings for panning via mouse
390	bind $itk_component(view) <ButtonPress-2> \
391	[itcl::code $this Pan click %x %y]
392	bind $itk_component(view) <B2-Motion> \
393	[itcl::code $this Pan drag %x %y]
394	bind $itk_component(view) <ButtonRelease-2> \
395	[itcl::code $this Pan release %x %y]
396
397	#bind $itk_component(view) <ButtonRelease-3> \
398	# [itcl::code $this Pick %x %y]
399
400	# Bindings for panning via keyboard
401	bind $itk_component(view) <KeyPress-Left> \
402	[itcl::code $this Pan set -10 0]
403	bind $itk_component(view) <KeyPress-Right> \
404	[itcl::code $this Pan set 10 0]
405	bind $itk_component(view) <KeyPress-Up> \
406	[itcl::code $this Pan set 0 -10]
407	bind $itk_component(view) <KeyPress-Down> \
408	[itcl::code $this Pan set 0 10]
409	bind $itk_component(view) <Shift-KeyPress-Left> \
410	[itcl::code $this Pan set -2 0]
411	bind $itk_component(view) <Shift-KeyPress-Right> \
412	[itcl::code $this Pan set 2 0]
413	bind $itk_component(view) <Shift-KeyPress-Up> \
414	[itcl::code $this Pan set 0 -2]
415	bind $itk_component(view) <Shift-KeyPress-Down> \
416	[itcl::code $this Pan set 0 2]
417
418	# Bindings for zoom via keyboard
419	bind $itk_component(view) <KeyPress-Prior> \
420	[itcl::code $this Zoom out]
421	bind $itk_component(view) <KeyPress-Next> \
422	[itcl::code $this Zoom in]
423
424	bind $itk_component(view) <Enter> "focus $itk_component(view)"
425
426	if {[string equal "x11" [tk windowingsystem]]} {
427	# Bindings for zoom via mouse
428	bind $itk_component(view) <4> [itcl::code $this Zoom out]
429	bind $itk_component(view) <5> [itcl::code $this Zoom in]
430	}
431
432	set _image(download) [image create photo]
433
434	eval itk_initialize $args
435	Connect
436	update
437	}
438
439	# ----------------------------------------------------------------------
440	# DESTRUCTOR
441	# ----------------------------------------------------------------------
442	itcl::body Rappture::VtkGlyphViewer::destructor {} {
443	Disconnect
444	image delete $_image(plot)
445	image delete $_image(download)
446	catch { blt::arcball destroy $_arcball }
447	}
448
449	itcl::body Rappture::VtkGlyphViewer::DoResize {} {
450	if { $_width < 2 } {
451	set _width 500
452	}
453	if { $_height < 2 } {
454	set _height 500
455	}
456	set _start [clock clicks -milliseconds]
457	SendCmd "screen size $_width $_height"
458
459	EventuallyRequestLegend
460	set _resizePending 0
461	}
462
463	itcl::body Rappture::VtkGlyphViewer::DoRotate {} {
464	set q [list $_view(qw) $_view(qx) $_view(qy) $_view(qz)]
465	SendCmd "camera orient $q"
466	set _rotatePending 0
467	}
468
469	itcl::body Rappture::VtkGlyphViewer::EventuallyRequestLegend {} {
470	if { !$_legendPending } {
471	set _legendPending 1
472	$_dispatcher event -idle !legend
473	}
474	}
475
476	itcl::body Rappture::VtkGlyphViewer::EventuallyResize { w h } {
477	set _width $w
478	set _height $h
479	$_arcball resize $w $h
480	if { !$_resizePending } {
481	set _resizePending 1
482	$_dispatcher event -after 400 !resize
483	}
484	}
485
486	set rotate_delay 100
487
488	itcl::body Rappture::VtkGlyphViewer::EventuallyRotate { q } {
489	foreach { _view(qw) _view(qx) _view(qy) _view(qz) } $q break
490	if { !$_rotatePending } {
491	set _rotatePending 1
492	global rotate_delay
493	$_dispatcher event -after $rotate_delay !rotate
494	}
495	}
496
497	itcl::body Rappture::VtkGlyphViewer::EventuallySetCutplane { axis args } {
498	if { !$_cutplanePending } {
499	set _cutplanePending 1
500	$_dispatcher event -after 100 !${axis}cutplane
501	}
502	}
503
504	# ----------------------------------------------------------------------
505	# USAGE: add <dataobj> ?<settings>?
506	#
507	# Clients use this to add a data object to the plot. The optional
508	# <settings> are used to configure the plot. Allowed settings are
509	# -color, -brightness, -width, -linestyle, and -raise.
510	# ----------------------------------------------------------------------
511	itcl::body Rappture::VtkGlyphViewer::add {dataobj {settings ""}} {
512	if { ![$dataobj isvalid] } {
513	return; # Object doesn't contain valid data.
514	}
515	array set params {
516	-color auto
517	-width 1
518	-linestyle solid
519	-brightness 0
520	-raise 0
521	-description ""
522	-param ""
523	-type ""
524	}
525	array set params $settings
526	set params(-description) ""
527	set params(-param) ""
528	array set params $settings
529
530	if {$params(-color) == "auto" \|\| $params(-color) == "autoreset"} {
531	# can't handle -autocolors yet
532	set params(-color) black
533	}
534	set pos [lsearch -exact $_dlist $dataobj]
535	if {$pos < 0} {
536	lappend _dlist $dataobj
537	}
538	set _obj2ovride($dataobj-color) $params(-color)
539	set _obj2ovride($dataobj-width) $params(-width)
540	set _obj2ovride($dataobj-raise) $params(-raise)
541	$_dispatcher event -idle !rebuild
542	}
543
544
545	# ----------------------------------------------------------------------
546	# USAGE: delete ?<dataobj1> <dataobj2> ...?
547	#
548	# Clients use this to delete a dataobj from the plot. If no dataobjs
549	# are specified, then all dataobjs are deleted. No data objects are
550	# deleted. They are only removed from the display list.
551	#
552	# ----------------------------------------------------------------------
553	itcl::body Rappture::VtkGlyphViewer::delete {args} {
554	if { [llength $args] == 0} {
555	set args $_dlist
556	}
557	# Delete all specified dataobjs
558	set changed 0
559	foreach dataobj $args {
560	set pos [lsearch -exact $_dlist $dataobj]
561	if { $pos < 0 } {
562	continue; # Don't know anything about it.
563	}
564	# Remove it from the dataobj list.
565	set _dlist [lreplace $_dlist $pos $pos]
566	array unset _obj2ovride $dataobj-*
567	array unset _settings $dataobj-*
568	set changed 1
569	}
570	# If anything changed, then rebuild the plot
571	if { $changed } {
572	$_dispatcher event -idle !rebuild
573	}
574	}
575
576	# ----------------------------------------------------------------------
577	# USAGE: get ?-objects?
578	# USAGE: get ?-visible?
579	# USAGE: get ?-image view?
580	#
581	# Clients use this to query the list of objects being plotted, in
582	# order from bottom to top of this result. The optional "-image"
583	# flag can also request the internal images being shown.
584	# ----------------------------------------------------------------------
585	itcl::body Rappture::VtkGlyphViewer::get {args} {
586	if {[llength $args] == 0} {
587	set args "-objects"
588	}
589
590	set op [lindex $args 0]
591	switch -- $op {
592	"-objects" {
593	# put the dataobj list in order according to -raise options
594	set dlist {}
595	foreach dataobj $_dlist {
596	if { ![IsValidObject $dataobj] } {
597	continue
598	}
599	if {[info exists _obj2ovride($dataobj-raise)] &&
600	$_obj2ovride($dataobj-raise)} {
601	set dlist [linsert $dlist 0 $dataobj]
602	} else {
603	lappend dlist $dataobj
604	}
605	}
606	return $dlist
607	}
608	"-visible" {
609	set dlist {}
610	foreach dataobj $_dlist {
611	if { ![IsValidObject $dataobj] } {
612	continue
613	}
614	if { ![info exists _obj2ovride($dataobj-raise)] } {
615	# No setting indicates that the object isn't visible.
616	continue
617	}
618	# Otherwise use the -raise parameter to put the object to
619	# the front of the list.
620	if { $_obj2ovride($dataobj-raise) } {
621	set dlist [linsert $dlist 0 $dataobj]
622	} else {
623	lappend dlist $dataobj
624	}
625	}
626	return $dlist
627	}
628	-image {
629	if {[llength $args] != 2} {
630	error "wrong # args: should be \"get -image view\""
631	}
632	switch -- [lindex $args end] {
633	view {
634	return $_image(plot)
635	}
636	default {
637	error "bad image name \"[lindex $args end]\": should be view"
638	}
639	}
640	}
641	default {
642	error "bad option \"$op\": should be -objects or -image"
643	}
644	}
645	}
646
647	# ----------------------------------------------------------------------
648	# USAGE: scale ?<data1> <data2> ...?
649	#
650	# Sets the default limits for the overall plot according to the
651	# limits of the data for all of the given <data> objects. This
652	# accounts for all objects--even those not showing on the screen.
653	# Because of this, the limits are appropriate for all objects as
654	# the user scans through data in the ResultSet viewer.
655	# ----------------------------------------------------------------------
656	itcl::body Rappture::VtkGlyphViewer::scale { args } {
657	foreach dataobj $args {
658	if { ![$dataobj isvalid] } {
659	continue; # Object doesn't contain valid data.
660	}
661	foreach axis { x y z } {
662	set lim [$dataobj limits $axis]
663	if { ![info exists _limits($axis)] } {
664	set _limits($axis) $lim
665	continue
666	}
667	foreach {min max} $lim break
668	foreach {amin amax} $_limits($axis) break
669	if { $amin > $min } {
670	set amin $min
671	}
672	if { $amax < $max } {
673	set amax $max
674	}
675	set _limits($axis) [list $amin $amax]
676	}
677	foreach { fname lim } [$dataobj fieldlimits] {
678	if { ![info exists _limits($fname)] } {
679	set _limits($fname) $lim
680	continue
681	}
682	foreach {min max} $lim break
683	foreach {fmin fmax} $_limits($fname) break
684	if { $fmin > $min } {
685	set fmin $min
686	}
687	if { $fmax < $max } {
688	set fmax $max
689	}
690	set _limits($fname) [list $fmin $fmax]
691	}
692	}
693	}
694
695	# ----------------------------------------------------------------------
696	# USAGE: download coming
697	# USAGE: download controls <downloadCommand>
698	# USAGE: download now
699	#
700	# Clients use this method to create a downloadable representation
701	# of the plot. Returns a list of the form {ext string}, where
702	# "ext" is the file extension (indicating the type of data) and
703	# "string" is the data itself.
704	# ----------------------------------------------------------------------
705	itcl::body Rappture::VtkGlyphViewer::download {option args} {
706	switch $option {
707	coming {
708	if {[catch {
709	blt::winop snap $itk_component(plotarea) $_image(download)
710	}]} {
711	$_image(download) configure -width 1 -height 1
712	$_image(download) put #000000
713	}
714	}
715	controls {
716	set popup .vtkviewerdownload
717	if { ![winfo exists .vtkviewerdownload] } {
718	set inner [BuildDownloadPopup $popup [lindex $args 0]]
719	} else {
720	set inner [$popup component inner]
721	}
722	set _downloadPopup(image_controls) $inner.image_frame
723	set num [llength [get]]
724	set num [expr {($num == 1) ? "1 result" : "$num results"}]
725	set word [Rappture::filexfer::label downloadWord]
726	$inner.summary configure -text "$word $num in the following format:"
727	update idletasks ;# Fix initial sizes
728	return $popup
729	}
730	now {
731	set popup .vtkviewerdownload
732	if {[winfo exists .vtkviewerdownload]} {
733	$popup deactivate
734	}
735	switch -- $_downloadPopup(format) {
736	"image" {
737	return [$this GetImage [lindex $args 0]]
738	}
739	"vtk" {
740	return [$this GetVtkData [lindex $args 0]]
741	}
742	}
743	return ""
744	}
745	default {
746	error "bad option \"$option\": should be coming, controls, now"
747	}
748	}
749	}
750
751	# ----------------------------------------------------------------------
752	# USAGE: Connect ?<host:port>,<host:port>...?
753	#
754	# Clients use this method to establish a connection to a new
755	# server, or to reestablish a connection to the previous server.
756	# Any existing connection is automatically closed.
757	# ----------------------------------------------------------------------
758	itcl::body Rappture::VtkGlyphViewer::Connect {} {
759	set _hosts [GetServerList "vtkvis"]
760	if { "" == $_hosts } {
761	return 0
762	}
763	set result [VisViewer::Connect $_hosts]
764	if { $result } {
765	if { $_reportClientInfo } {
766	# Tell the server the viewer, hub, user and session.
767	# Do this immediately on connect before buffering any commands
768	global env
769
770	set info {}
771	set user "???"
772	if { [info exists env(USER)] } {
773	set user $env(USER)
774	}
775	set session "???"
776	if { [info exists env(SESSION)] } {
777	set session $env(SESSION)
778	}
779	lappend info "hub" [exec hostname]
780	lappend info "client" "vtkglyphviewer"
781	lappend info "user" $user
782	lappend info "session" $session
783	SendCmd "clientinfo [list $info]"
784	}
785
786	set w [winfo width $itk_component(view)]
787	set h [winfo height $itk_component(view)]
788	EventuallyResize $w $h
789	}
790	return $result
791	}
792
793	#
794	# isconnected --
795	#
796	# Indicates if we are currently connected to the visualization server.
797	#
798	itcl::body Rappture::VtkGlyphViewer::isconnected {} {
799	return [VisViewer::IsConnected]
800	}
801
802	#
803	# disconnect --
804	#
805	itcl::body Rappture::VtkGlyphViewer::disconnect {} {
806	Disconnect
807	set _reset 1
808	}
809
810	#
811	# Disconnect --
812	#
813	# Clients use this method to disconnect from the current rendering
814	# server.
815	#
816	itcl::body Rappture::VtkGlyphViewer::Disconnect {} {
817	VisViewer::Disconnect
818
819	$_dispatcher cancel !rebuild
820	$_dispatcher cancel !resize
821	$_dispatcher cancel !rotate
822	$_dispatcher cancel !xcutplane
823	$_dispatcher cancel !ycutplane
824	$_dispatcher cancel !zcutplane
825	$_dispatcher cancel !legend
826	# disconnected -- no more data sitting on server
827	set _outbuf ""
828	array unset _datasets
829	array unset _data
830	array unset _colormaps
831	array unset _seeds
832	array unset _dataset2style
833	array unset _obj2datasets
834	}
835
836	# ----------------------------------------------------------------------
837	# USAGE: ReceiveImage -bytes <size> -type <type> -token <token>
838	#
839	# Invoked automatically whenever the "image" command comes in from
840	# the rendering server. Indicates that binary image data with the
841	# specified <size> will follow.
842	# ----------------------------------------------------------------------
843	itcl::body Rappture::VtkGlyphViewer::ReceiveImage { args } {
844	array set info {
845	-token "???"
846	-bytes 0
847	-type image
848	}
849	array set info $args
850	set bytes [ReceiveBytes $info(-bytes)]
851	if { $info(-type) == "image" } {
852	if 0 {
853	set f [open "last.ppm" "w"]
854	puts $f $bytes
855	close $f
856	}
857	$_image(plot) configure -data $bytes
858	set time [clock seconds]
859	set date [clock format $time]
860	#puts stderr "$date: received image [image width $_image(plot)]x[image height $_image(plot)] image>"
861	if { $_start > 0 } {
862	set finish [clock clicks -milliseconds]
863	#puts stderr "round trip time [expr $finish -$_start] milliseconds"
864	set _start 0
865	}
866	} elseif { $info(type) == "print" } {
867	set tag $this-print-$info(-token)
868	set _hardcopy($tag) $bytes
869	}
870	}
871
872	#
873	# ReceiveDataset --
874	#
875	itcl::body Rappture::VtkGlyphViewer::ReceiveDataset { args } {
876	if { ![isconnected] } {
877	return
878	}
879	set option [lindex $args 0]
880	switch -- $option {
881	"scalar" {
882	set option [lindex $args 1]
883	switch -- $option {
884	"world" {
885	foreach { x y z value tag } [lrange $args 2 end] break
886	}
887	"pixel" {
888	foreach { x y value tag } [lrange $args 2 end] break
889	}
890	}
891	}
892	"vector" {
893	set option [lindex $args 1]
894	switch -- $option {
895	"world" {
896	foreach { x y z vx vy vz tag } [lrange $args 2 end] break
897	}
898	"pixel" {
899	foreach { x y vx vy vz tag } [lrange $args 2 end] break
900	}
901	}
902	}
903	"names" {
904	foreach { name } [lindex $args 1] {
905	#puts stderr "Dataset: $name"
906	}
907	}
908	default {
909	error "unknown dataset option \"$option\" from server"
910	}
911	}
912	}
913
914	# ----------------------------------------------------------------------
915	# USAGE: Rebuild
916	#
917	# Called automatically whenever something changes that affects the
918	# data in the widget. Clears any existing data and rebuilds the
919	# widget to display new data.
920	# ----------------------------------------------------------------------
921	itcl::body Rappture::VtkGlyphViewer::Rebuild {} {
922	set w [winfo width $itk_component(view)]
923	set h [winfo height $itk_component(view)]
924	if { $w < 2 \|\| $h < 2 } {
925	$_dispatcher event -idle !rebuild
926	return
927	}
928
929	# Turn on buffering of commands to the server. We don't want to
930	# be preempted by a server disconnect/reconnect (which automatically
931	# generates a new call to Rebuild).
932	StartBufferingCommands
933
934	if { $_reset } {
935	set _width $w
936	set _height $h
937	$_arcball resize $w $h
938	DoResize
939	#
940	# Reset the camera and other view parameters
941	#
942	set q [list $_view(qw) $_view(qx) $_view(qy) $_view(qz)]
943	$_arcball quaternion $q
944	if {$_view(ortho)} {
945	SendCmd "camera mode ortho"
946	} else {
947	SendCmd "camera mode persp"
948	}
949	DoRotate
950	PanCamera
951	set _first ""
952	InitSettings axisXGrid axisYGrid axisZGrid axisMode \
953	axesVisible axisLabelsVisible
954	foreach axis { x y z } {
955	SendCmd "axis lformat $axis %g"
956	}
957	StopBufferingCommands
958	SendCmd "imgflush"
959	StartBufferingCommands
960	}
961	set _first ""
962	SendCmd "dataset visible 0"
963	foreach dataobj [get -objects] {
964	if { [info exists _obj2ovride($dataobj-raise)] && $_first == "" } {
965	set _first $dataobj
966	}
967	set _obj2datasets($dataobj) ""
968	foreach comp [$dataobj components] {
969	set tag $dataobj-$comp
970	if { ![info exists _datasets($tag)] } {
971	set bytes [$dataobj vtkdata $comp]
972	if 0 {
973	set f [open "/tmp/glyph.vtk" "w"]
974	puts $f $bytes
975	close $f
976	}
977	set length [string length $bytes]
978	if { $_reportClientInfo } {
979	set info {}
980	lappend info "tool_id" [$dataobj hints toolId]
981	lappend info "tool_name" [$dataobj hints toolName]
982	lappend info "tool_version" [$dataobj hints toolRevision]
983	lappend info "tool_title" [$dataobj hints toolTitle]
984	lappend info "dataset_label" [$dataobj hints label]
985	lappend info "dataset_size" $length
986	lappend info "dataset_tag" $tag
987	SendCmd "clientinfo [list $info]"
988	}
989	append _outbuf "dataset add $tag data follows $length\n"
990	append _outbuf $bytes
991	set _datasets($tag) 1
992	SetObjectStyle $dataobj $comp
993	}
994	lappend _obj2datasets($dataobj) $tag
995	if { [info exists _obj2ovride($dataobj-raise)] } {
996	# Setting dataset visible enables outline
997	# and glyphs
998	SendCmd "dataset visible 1 $tag"
999	}
1000	}
1001	}
1002
1003	if { $_first != "" } {
1004	$itk_component(field) choices delete 0 end
1005	$itk_component(fieldmenu) delete 0 end
1006	array unset _fields
1007	set _curFldName ""
1008	foreach cname [$_first components] {
1009	foreach fname [$_first fieldnames $cname] {
1010	if { [info exists _fields($fname)] } {
1011	continue
1012	}
1013	foreach { label units components } \
1014	[$_first fieldinfo $fname] break
1015	$itk_component(field) choices insert end "$fname" "$label"
1016	$itk_component(fieldmenu) add radiobutton -label "$label" \
1017	-value $label -variable [itcl::scope _curFldLabel] \
1018	-selectcolor red \
1019	-activebackground $itk_option(-plotbackground) \
1020	-activeforeground $itk_option(-plotforeground) \
1021	-font "Arial 8" \
1022	-command [itcl::code $this Combo invoke]
1023	set _fields($fname) [list $label $units $components]
1024	if { $_curFldName == "" } {
1025	set _curFldName $fname
1026	set _curFldLabel $label
1027	}
1028	}
1029	}
1030	$itk_component(field) value $_curFldLabel
1031	}
1032	InitSettings glyphOutline
1033	#cutplaneVisible
1034	if { $_reset } {
1035	# These are settings that rely on a dataset being loaded.
1036	InitSettings \
1037	glyphLighting \
1038	field \
1039	glyphEdges glyphLighting glyphOpacity \
1040	glyphWireframe
1041
1042	#cutplaneXPosition cutplaneYPosition cutplaneZPosition \
1043	cutplaneXVisible cutplaneYVisible cutplaneZVisible \
1044	cutplanePreinterp
1045
1046	Zoom reset
1047	foreach axis { x y z } {
1048	# Another problem fixed by a <view>. We looking into a data
1049	# object for the name of the axes. This should be global to
1050	# the viewer itself.
1051	set label [$_first hints ${axis}label]
1052	if { $label == "" } {
1053	set label [string toupper $axis]
1054	}
1055	# May be a space in the axis label.
1056	SendCmd [list axis name $axis $label]
1057	}
1058	if { [array size _fields] < 2 } {
1059	blt::table forget $itk_component(field) $itk_component(field_l)
1060	}
1061	set _reset 0
1062	}
1063
1064	# Actually write the commands to the server socket. If it fails, we don't
1065	# care. We're finished here.
1066	blt::busy hold $itk_component(hull)
1067	StopBufferingCommands; # Turn off buffering and send commands.
1068	blt::busy release $itk_component(hull)
1069	}
1070
1071	# ----------------------------------------------------------------------
1072	# USAGE: CurrentDatasets ?-all -visible? ?dataobjs?
1073	#
1074	# Returns a list of server IDs for the current datasets being displayed. This
1075	# is normally a single ID, but it might be a list of IDs if the current data
1076	# object has multiple components.
1077	# ----------------------------------------------------------------------
1078	itcl::body Rappture::VtkGlyphViewer::CurrentDatasets {args} {
1079	set flag [lindex $args 0]
1080	switch -- $flag {
1081	"-all" {
1082	if { [llength $args] > 1 } {
1083	error "CurrentDatasets: can't specify dataobj after \"-all\""
1084	}
1085	set dlist [get -objects]
1086	}
1087	"-visible" {
1088	if { [llength $args] > 1 } {
1089	set dlist {}
1090	set args [lrange $args 1 end]
1091	foreach dataobj $args {
1092	if { [info exists _obj2ovride($dataobj-raise)] } {
1093	lappend dlist $dataobj
1094	}
1095	}
1096	} else {
1097	set dlist [get -visible]
1098	}
1099	}
1100	default {
1101	set dlist $args
1102	}
1103	}
1104	set rlist ""
1105	foreach dataobj $dlist {
1106	foreach comp [$dataobj components] {
1107	set tag $dataobj-$comp
1108	if { [info exists _datasets($tag)] && $_datasets($tag) } {
1109	lappend rlist $tag
1110	}
1111	}
1112	}
1113	return $rlist
1114	}
1115
1116	# ----------------------------------------------------------------------
1117	# USAGE: Zoom in
1118	# USAGE: Zoom out
1119	# USAGE: Zoom reset
1120	#
1121	# Called automatically when the user clicks on one of the zoom
1122	# controls for this widget. Changes the zoom for the current view.
1123	# ----------------------------------------------------------------------
1124	itcl::body Rappture::VtkGlyphViewer::Zoom {option} {
1125	switch -- $option {
1126	"in" {
1127	set _view(zoom) [expr {$_view(zoom)*1.25}]
1128	SendCmd "camera zoom $_view(zoom)"
1129	}
1130	"out" {
1131	set _view(zoom) [expr {$_view(zoom)*0.8}]
1132	SendCmd "camera zoom $_view(zoom)"
1133	}
1134	"reset" {
1135	array set _view {
1136	qw 0.853553
1137	qx -0.353553
1138	qy 0.353553
1139	qz 0.146447
1140	zoom 1.0
1141	xpan 0
1142	ypan 0
1143	}
1144	if { $_first != "" } {
1145	set location [$_first hints camera]
1146	if { $location != "" } {
1147	array set _view $location
1148	}
1149	}
1150	set q [list $_view(qw) $_view(qx) $_view(qy) $_view(qz)]
1151	$_arcball quaternion $q
1152	DoRotate
1153	SendCmd "camera reset"
1154	}
1155	}
1156	}
1157
1158	itcl::body Rappture::VtkGlyphViewer::PanCamera {} {
1159	set x $_view(xpan)
1160	set y $_view(ypan)
1161	SendCmd "camera pan $x $y"
1162	}
1163
1164
1165	# ----------------------------------------------------------------------
1166	# USAGE: Rotate click <x> <y>
1167	# USAGE: Rotate drag <x> <y>
1168	# USAGE: Rotate release <x> <y>
1169	#
1170	# Called automatically when the user clicks/drags/releases in the
1171	# plot area. Moves the plot according to the user's actions.
1172	# ----------------------------------------------------------------------
1173	itcl::body Rappture::VtkGlyphViewer::Rotate {option x y} {
1174	switch -- $option {
1175	"click" {
1176	$itk_component(view) configure -cursor fleur
1177	set _click(x) $x
1178	set _click(y) $y
1179	}
1180	"drag" {
1181	if {[array size _click] == 0} {
1182	Rotate click $x $y
1183	} else {
1184	set w [winfo width $itk_component(view)]
1185	set h [winfo height $itk_component(view)]
1186	if {$w <= 0 \|\| $h <= 0} {
1187	return
1188	}
1189
1190	if {[catch {
1191	# this fails sometimes for no apparent reason
1192	set dx [expr {double($x-$_click(x))/$w}]
1193	set dy [expr {double($y-$_click(y))/$h}]
1194	}]} {
1195	return
1196	}
1197	if { $dx == 0 && $dy == 0 } {
1198	return
1199	}
1200	set q [$_arcball rotate $x $y $_click(x) $_click(y)]
1201	EventuallyRotate $q
1202	set _click(x) $x
1203	set _click(y) $y
1204	}
1205	}
1206	"release" {
1207	Rotate drag $x $y
1208	$itk_component(view) configure -cursor ""
1209	catch {unset _click}
1210	}
1211	default {
1212	error "bad option \"$option\": should be click, drag, release"
1213	}
1214	}
1215	}
1216
1217	itcl::body Rappture::VtkGlyphViewer::Pick {x y} {
1218	foreach tag [CurrentDatasets -visible] {
1219	SendCmdNoSplash "dataset getscalar pixel $x $y $tag"
1220	}
1221	}
1222
1223	# ----------------------------------------------------------------------
1224	# USAGE: $this Pan click x y
1225	# $this Pan drag x y
1226	# $this Pan release x y
1227	#
1228	# Called automatically when the user clicks on one of the zoom
1229	# controls for this widget. Changes the zoom for the current view.
1230	# ----------------------------------------------------------------------
1231	itcl::body Rappture::VtkGlyphViewer::Pan {option x y} {
1232	switch -- $option {
1233	"set" {
1234	set w [winfo width $itk_component(view)]
1235	set h [winfo height $itk_component(view)]
1236	set x [expr $x / double($w)]
1237	set y [expr $y / double($h)]
1238	set _view(xpan) [expr $_view(xpan) + $x]
1239	set _view(ypan) [expr $_view(ypan) + $y]
1240	PanCamera
1241	return
1242	}
1243	"click" {
1244	set _click(x) $x
1245	set _click(y) $y
1246	$itk_component(view) configure -cursor hand1
1247	}
1248	"drag" {
1249	if { ![info exists _click(x)] } {
1250	set _click(x) $x
1251	}
1252	if { ![info exists _click(y)] } {
1253	set _click(y) $y
1254	}
1255	set w [winfo width $itk_component(view)]
1256	set h [winfo height $itk_component(view)]
1257	set dx [expr ($_click(x) - $x)/double($w)]
1258	set dy [expr ($_click(y) - $y)/double($h)]
1259	set _click(x) $x
1260	set _click(y) $y
1261	set _view(xpan) [expr $_view(xpan) - $dx]
1262	set _view(ypan) [expr $_view(ypan) - $dy]
1263	PanCamera
1264	}
1265	"release" {
1266	Pan drag $x $y
1267	$itk_component(view) configure -cursor ""
1268	}
1269	default {
1270	error "unknown option \"$option\": should set, click, drag, or release"
1271	}
1272	}
1273	}
1274
1275	# ----------------------------------------------------------------------
1276	# USAGE: InitSettings <what> ?<value>?
1277	#
1278	# Used internally to update rendering settings whenever parameters
1279	# change in the popup settings panel. Sends the new settings off
1280	# to the back end.
1281	# ----------------------------------------------------------------------
1282	itcl::body Rappture::VtkGlyphViewer::InitSettings { args } {
1283	foreach spec $args {
1284	if { [info exists _settings($_first-$spec)] } {
1285	# Reset global setting with dataobj specific setting
1286	set _settings($spec) $_settings($_first-$spec)
1287	}
1288	AdjustSetting $spec
1289	}
1290	}
1291
1292	#
1293	# AdjustSetting --
1294	#
1295	# Changes/updates a specific setting in the widget. There are
1296	# usually user-setable option. Commands are sent to the render
1297	# server.
1298	#
1299	itcl::body Rappture::VtkGlyphViewer::AdjustSetting {what {value ""}} {
1300	if { ![isconnected] } {
1301	return
1302	}
1303	switch -- $what {
1304	"background" {
1305	set bgcolor [$itk_component(background) value]
1306	array set fgcolors {
1307	"black" "white"
1308	"white" "black"
1309	"grey" "black"
1310	}
1311	configure -plotbackground $bgcolor \
1312	-plotforeground $fgcolors($bgcolor)
1313	$itk_component(view) delete "legend"
1314	DrawLegend
1315	}
1316	"axesVisible" {
1317	set bool $_settings(axesVisible)
1318	SendCmd "axis visible all $bool"
1319	}
1320	"axisLabelsVisible" {
1321	set bool $_settings(axisLabelsVisible)
1322	SendCmd "axis labels all $bool"
1323	}
1324	"axisXGrid" - "axisYGrid" - "axisZGrid" {
1325	set axis [string tolower [string range $what 4 4]]
1326	set bool $_settings($what)
1327	SendCmd "axis grid $axis $bool"
1328	}
1329	"axisMode" {
1330	set mode [$itk_component(axisMode) value]
1331	set mode [$itk_component(axisMode) translate $mode]
1332	set _settings($what) $mode
1333	SendCmd "axis flymode $mode"
1334	}
1335	"cutplaneEdges" {
1336	set bool $_settings($what)
1337	SendCmd "cutplane edges $bool"
1338	}
1339	"cutplaneVisible" {
1340	set bool $_settings($what)
1341	SendCmd "cutplane visible $bool"
1342	}
1343	"cutplaneWireframe" {
1344	set bool $_settings($what)
1345	SendCmd "cutplane wireframe $bool"
1346	}
1347	"cutplaneLighting" {
1348	set bool $_settings($what)
1349	SendCmd "cutplane lighting $bool"
1350	}
1351	"cutplaneOpacity" {
1352	set val $_settings($what)
1353	set sval [expr { 0.01 * double($val) }]
1354	SendCmd "cutplane opacity $sval"
1355	}
1356	"cutplanePreinterp" {
1357	set bool $_settings($what)
1358	SendCmd "cutplane preinterp $bool"
1359	}
1360	"cutplaneXVisible" - "cutplaneYVisible" - "cutplaneZVisible" {
1361	set axis [string tolower [string range $what 8 8]]
1362	set bool $_settings($what)
1363	if { $bool } {
1364	$itk_component(${axis}position) configure -state normal \
1365	-troughcolor white
1366	} else {
1367	$itk_component(${axis}position) configure -state disabled \
1368	-troughcolor grey82
1369	}
1370	SendCmd "cutplane axis $axis $bool"
1371	}
1372	"cutplaneXPosition" - "cutplaneYPosition" - "cutplaneZPosition" {
1373	set axis [string tolower [string range $what 8 8]]
1374	set pos [expr $_settings($what) * 0.01]
1375	SendCmd "cutplane slice ${axis} ${pos}"
1376	set _cutplanePending 0
1377	}
1378	"colormap" {
1379	set _changed(colormap) 1
1380	StartBufferingCommands
1381	set color [$itk_component(colormap) value]
1382	set _settings(colormap) $color
1383	if { $color == "none" } {
1384	if { $_settings(colormapVisible) } {
1385	SendCmd "glyphs colormode constant {}"
1386	set _settings(colormapVisible) 0
1387	}
1388	} else {
1389	if { !$_settings(colormapVisible) } {
1390	SendCmd "glyphs colormode $_colorMode $_curFldName"
1391	set _settings(colormapVisible) 1
1392	}
1393	SetCurrentColormap $color
1394	}
1395	StopBufferingCommands
1396	EventuallyRequestLegend
1397	}
1398	"glyphWireframe" {
1399	set bool $_settings(glyphWireframe)
1400	SendCmd "glyphs wireframe $bool"
1401	}
1402	"glyphVisible" {
1403	set bool $_settings(glyphVisible)
1404	SendCmd "glyphs visible $bool"
1405	if { $bool } {
1406	Rappture::Tooltip::for $itk_component(glyphs) \
1407	"Hide the glyph"
1408	} else {
1409	Rappture::Tooltip::for $itk_component(glyphs) \
1410	"Show the glyph"
1411	}
1412	DrawLegend
1413	}
1414	"glyphLighting" {
1415	set bool $_settings(glyphLighting)
1416	SendCmd "glyphs lighting $bool"
1417	}
1418	"glyphEdges" {
1419	set bool $_settings(glyphEdges)
1420	SendCmd "glyphs edges $bool"
1421	}
1422	"glyphOutline" {
1423	set bool $_settings(glyphOutline)
1424	SendCmd "outline visible $bool"
1425	}
1426	"glyphOpacity" {
1427	set val $_settings(glyphOpacity)
1428	set sval [expr { 0.01 * double($val) }]
1429	SendCmd "glyphs opacity $sval"
1430	}
1431	"field" {
1432	set label [$itk_component(field) value]
1433	set fname [$itk_component(field) translate $label]
1434	set _settings(field) $fname
1435	if { [info exists _fields($fname)] } {
1436	foreach { label units components } $_fields($fname) break
1437	if { $components > 1 } {
1438	set _colorMode vmag
1439	} else {
1440	set _colorMode scalar
1441	}
1442	set _curFldName $fname
1443	set _curFldLabel $label
1444	} else {
1445	puts stderr "unknown field \"$fname\""
1446	return
1447	}
1448	#SendCmd "dataset maprange explicit $_limits($_curFldName) $_curFldName"
1449	#SendCmd "cutplane colormode $_colorMode $_curFldName"
1450	SendCmd "glyphs colormode $_colorMode $_curFldName"
1451	DrawLegend
1452	}
1453	"legendVisible" {
1454	if { !$_settings(legendVisible) } {
1455	$itk_component(view) delete legend
1456	}
1457	DrawLegend
1458	}
1459	default {
1460	error "don't know how to fix $what"
1461	}
1462	}
1463	}
1464
1465
1466	#
1467	# RequestLegend --
1468	#
1469	# Request a new legend from the server. The size of the legend
1470	# is determined from the height of the canvas.
1471	#
1472	# This should be called when
1473	# 1. A new current colormap is set.
1474	# 2. Window is resized.
1475	# 3. The limits of the data have changed. (Just need a redraw).
1476	# 4. Number of glyph have changed. (Just need a redraw).
1477	# 5. Legend becomes visible (Just need a redraw).
1478	#
1479	itcl::body Rappture::VtkGlyphViewer::RequestLegend {} {
1480	set _legendPending 0
1481	if { ![info exists _fields($_curFldName)] } {
1482	return
1483	}
1484	set fname $_curFldName
1485	set font "Arial 8"
1486	set lineht [font metrics $font -linespace]
1487	set w 12
1488	set h [expr {$_height - 2 * ($lineht + 2)}]
1489	if { $h < 1 } {
1490	return
1491	}
1492	if { [string match "component*" $fname] } {
1493	set title ""
1494	} else {
1495	if { [info exists _fields($fname)] } {
1496	foreach { title units } $_fields($fname) break
1497	if { $units != "" } {
1498	set title [format "%s (%s)" $title $units]
1499	}
1500	} else {
1501	set title $fname
1502	}
1503	}
1504	# If there's a title too, substract one more line
1505	if { $title != "" } {
1506	incr h -$lineht
1507	}
1508	# Set the legend on the first heightmap dataset.
1509	if { $_currentColormap != "" } {
1510	set cmap $_currentColormap
1511	SendCmdNoWait "legend $cmap $_colorMode $_curFldName {} $w $h 0"
1512	}
1513	}
1514
1515	# ----------------------------------------------------------------------
1516	# CONFIGURATION OPTION: -plotbackground
1517	# ----------------------------------------------------------------------
1518	itcl::configbody Rappture::VtkGlyphViewer::plotbackground {
1519	if { [isconnected] } {
1520	set rgb [Color2RGB $itk_option(-plotbackground)]
1521	SendCmd "screen bgcolor $rgb"
1522	}
1523	}
1524
1525	# ----------------------------------------------------------------------
1526	# CONFIGURATION OPTION: -plotforeground
1527	# ----------------------------------------------------------------------
1528	itcl::configbody Rappture::VtkGlyphViewer::plotforeground {
1529	if { [isconnected] } {
1530	set rgb [Color2RGB $itk_option(-plotforeground)]
1531	SendCmd "axis color all $rgb"
1532	SendCmd "outline color $rgb"
1533	#SendCmd "cutplane color $rgb"
1534	}
1535	}
1536
1537	itcl::body Rappture::VtkGlyphViewer::limits { dataobj } {
1538	foreach { limits(xmin) limits(xmax) } [$dataobj limits x] break
1539	foreach { limits(ymin) limits(ymax) } [$dataobj limits y] break
1540	foreach { limits(zmin) limits(zmax) } [$dataobj limits z] break
1541	foreach { limits(vmin) limits(vmax) } [$dataobj limits v] break
1542	return [array get limits]
1543	}
1544
1545	itcl::body Rappture::VtkGlyphViewer::BuildGlyphTab {} {
1546
1547	set fg [option get $itk_component(hull) font Font]
1548	#set bfg [option get $itk_component(hull) boldFont Font]
1549
1550	set inner [$itk_component(main) insert end \
1551	-title "Glyph Settings" \
1552	-icon [Rappture::icon volume-on]]
1553	$inner configure -borderwidth 4
1554
1555	checkbutton $inner.glyphs \
1556	-text "Glyphs" \
1557	-variable [itcl::scope _settings(glyphVisible)] \
1558	-command [itcl::code $this AdjustSetting glyphVisible] \
1559	-font "Arial 9"
1560
1561	checkbutton $inner.wireframe \
1562	-text "Wireframe" \
1563	-variable [itcl::scope _settings(glyphWireframe)] \
1564	-command [itcl::code $this AdjustSetting glyphWireframe] \
1565	-font "Arial 9"
1566
1567	checkbutton $inner.lighting \
1568	-text "Enable Lighting" \
1569	-variable [itcl::scope _settings(glyphLighting)] \
1570	-command [itcl::code $this AdjustSetting glyphLighting] \
1571	-font "Arial 9"
1572
1573	checkbutton $inner.edges \
1574	-text "Edges" \
1575	-variable [itcl::scope _settings(glyphEdges)] \
1576	-command [itcl::code $this AdjustSetting glyphEdges] \
1577	-font "Arial 9"
1578
1579	checkbutton $inner.outline \
1580	-text "Outline" \
1581	-variable [itcl::scope _settings(glyphOutline)] \
1582	-command [itcl::code $this AdjustSetting glyphOutline] \
1583	-font "Arial 9"
1584
1585	checkbutton $inner.legend \
1586	-text "Legend" \
1587	-variable [itcl::scope _settings(legendVisible)] \
1588	-command [itcl::code $this AdjustSetting legendVisible] \
1589	-font "Arial 9"
1590
1591	label $inner.background_l -text "Background" -font "Arial 9"
1592	itk_component add background {
1593	Rappture::Combobox $inner.background -width 10 -editable no
1594	}
1595	$inner.background choices insert end \
1596	"black" "black" \
1597	"white" "white" \
1598	"grey" "grey"
1599
1600	$itk_component(background) value $_settings(background)
1601	bind $inner.background <<Value>> [itcl::code $this AdjustSetting background]
1602
1603	label $inner.opacity_l -text "Opacity" -font "Arial 9"
1604	::scale $inner.opacity -from 0 -to 100 -orient horizontal \
1605	-variable [itcl::scope _settings(glyphOpacity)] \
1606	-width 10 \
1607	-showvalue off \
1608	-command [itcl::code $this AdjustSetting glyphOpacity]
1609
1610	label $inner.scale_l -text "Scale" -font "Arial 9"
1611	::scale $inner.scale -from 1 -to 100 -orient horizontal \
1612	-variable [itcl::scope _settings(glyphs-scale)] \
1613	-width 10 \
1614	-showvalue off \
1615	-command [itcl::code $this AdjustSetting glyphs-scale]
1616
1617	itk_component add field_l {
1618	label $inner.field_l -text "Color By" -font "Arial 9"
1619	} {
1620	ignore -font
1621	}
1622	itk_component add field {
1623	Rappture::Combobox $inner.field -width 10 -editable no
1624	}
1625	bind $inner.field <<Value>> \
1626	[itcl::code $this AdjustSetting field]
1627
1628	label $inner.colormap_l -text "Colormap" -font "Arial 9"
1629	itk_component add colormap {
1630	Rappture::Combobox $inner.colormap -width 10 -editable no
1631	}
1632
1633	$inner.colormap choices insert end [GetColormapList]
1634	$itk_component(colormap) value "BCGYR"
1635	bind $inner.colormap <<Value>> \
1636	[itcl::code $this AdjustSetting colormap]
1637
1638	blt::table $inner \
1639	0,0 $inner.field_l -anchor w -pady 2 \
1640	0,1 $inner.field -anchor w -pady 2 -fill x \
1641	1,0 $inner.colormap_l -anchor w -pady 2 \
1642	1,1 $inner.colormap -anchor w -pady 2 -fill x \
1643	3,0 $inner.background_l -anchor w -pady 2 \
1644	3,1 $inner.background -anchor w -pady 2 -fill x \
1645	5,0 $inner.wireframe -anchor w -pady 2 -cspan 2 \
1646	6,0 $inner.lighting -anchor w -pady 2 -cspan 2 \
1647	7,0 $inner.edges -anchor w -pady 2 -cspan 2 \
1648	8,0 $inner.outline -anchor w -pady 2 -cspan 2 \
1649	9,0 $inner.legend -anchor w -pady 2 \
1650	10,0 $inner.opacity_l -anchor w -pady 2 \
1651	10,1 $inner.opacity -fill x -pady 2 -fill x \
1652
1653	blt::table configure $inner r* c* -resize none
1654	blt::table configure $inner r11 c1 -resize expand
1655	}
1656
1657	itcl::body Rappture::VtkGlyphViewer::BuildAxisTab {} {
1658
1659	set fg [option get $itk_component(hull) font Font]
1660	#set bfg [option get $itk_component(hull) boldFont Font]
1661
1662	set inner [$itk_component(main) insert end \
1663	-title "Axis Settings" \
1664	-icon [Rappture::icon axis2]]
1665	$inner configure -borderwidth 4
1666
1667	checkbutton $inner.visible \
1668	-text "Show Axes" \
1669	-variable [itcl::scope _settings(axesVisible)] \
1670	-command [itcl::code $this AdjustSetting axesVisible] \
1671	-font "Arial 9"
1672
1673	checkbutton $inner.labels \
1674	-text "Show Axis Labels" \
1675	-variable [itcl::scope _settings(axisLabelsVisible)] \
1676	-command [itcl::code $this AdjustSetting axisLabelsVisible] \
1677	-font "Arial 9"
1678
1679	checkbutton $inner.gridx \
1680	-text "Show X Grid" \
1681	-variable [itcl::scope _settings(axisXGrid)] \
1682	-command [itcl::code $this AdjustSetting axisXGrid] \
1683	-font "Arial 9"
1684	checkbutton $inner.gridy \
1685	-text "Show Y Grid" \
1686	-variable [itcl::scope _settings(axisYGrid)] \
1687	-command [itcl::code $this AdjustSetting axisYGrid] \
1688	-font "Arial 9"
1689	checkbutton $inner.gridz \
1690	-text "Show Z Grid" \
1691	-variable [itcl::scope _settings(axisZGrid)] \
1692	-command [itcl::code $this AdjustSetting axisZGrid] \
1693	-font "Arial 9"
1694
1695	label $inner.mode_l -text "Mode" -font "Arial 9"
1696
1697	itk_component add axisMode {
1698	Rappture::Combobox $inner.mode -width 10 -editable no
1699	}
1700	$inner.mode choices insert end \
1701	"static_triad" "static" \
1702	"closest_triad" "closest" \
1703	"furthest_triad" "farthest" \
1704	"outer_edges" "outer"
1705	$itk_component(axisMode) value "static"
1706	bind $inner.mode <<Value>> [itcl::code $this AdjustSetting axisMode]
1707
1708	blt::table $inner \
1709	0,0 $inner.visible -anchor w -cspan 2 \
1710	1,0 $inner.labels -anchor w -cspan 2 \
1711	2,0 $inner.gridx -anchor w -cspan 2 \
1712	3,0 $inner.gridy -anchor w -cspan 2 \
1713	4,0 $inner.gridz -anchor w -cspan 2 \
1714	5,0 $inner.mode_l -anchor w -cspan 2 -padx { 2 0 } \
1715	6,0 $inner.mode -fill x -cspan 2
1716
1717	blt::table configure $inner r* c* -resize none
1718	blt::table configure $inner r7 c1 -resize expand
1719	}
1720
1721
1722	itcl::body Rappture::VtkGlyphViewer::BuildCameraTab {} {
1723	set inner [$itk_component(main) insert end \
1724	-title "Camera Settings" \
1725	-icon [Rappture::icon camera]]
1726	$inner configure -borderwidth 4
1727
1728	label $inner.view_l -text "view" -font "Arial 9"
1729	set f [frame $inner.view]
1730	foreach side { front back left right top bottom } {
1731	button $f.$side -image [Rappture::icon view$side] \
1732	-command [itcl::code $this SetOrientation $side]
1733	Rappture::Tooltip::for $f.$side "Change the view to $side"
1734	pack $f.$side -side left
1735	}
1736
1737	blt::table $inner \
1738	0,0 $inner.view_l -anchor e -pady 2 \
1739	0,1 $inner.view -anchor w -pady 2
1740
1741	set labels { qx qy qz qw xpan ypan zoom }
1742	set row 1
1743	foreach tag $labels {
1744	label $inner.${tag}label -text $tag -font "Arial 9"
1745	entry $inner.${tag} -font "Arial 9" -bg white \
1746	-textvariable [itcl::scope _view($tag)]
1747	bind $inner.${tag} <KeyPress-Return> \
1748	[itcl::code $this camera set ${tag}]
1749	blt::table $inner \
1750	$row,0 $inner.${tag}label -anchor e -pady 2 \
1751	$row,1 $inner.${tag} -anchor w -pady 2
1752	blt::table configure $inner r$row -resize none
1753	incr row
1754	}
1755	checkbutton $inner.ortho \
1756	-text "Orthographic Projection" \
1757	-variable [itcl::scope _view(ortho)] \
1758	-command [itcl::code $this camera set ortho] \
1759	-font "Arial 9"
1760	blt::table $inner \
1761	$row,0 $inner.ortho -cspan 2 -anchor w -pady 2
1762	blt::table configure $inner r$row -resize none
1763	incr row
1764
1765	blt::table configure $inner c* r* -resize none
1766	blt::table configure $inner c2 -resize expand
1767	blt::table configure $inner r$row -resize expand
1768	}
1769
1770	itcl::body Rappture::VtkGlyphViewer::BuildCutplaneTab {} {
1771
1772	set fg [option get $itk_component(hull) font Font]
1773
1774	set inner [$itk_component(main) insert end \
1775	-title "Cutplane Settings" \
1776	-icon [Rappture::icon cutbutton]]
1777
1778	$inner configure -borderwidth 4
1779
1780	checkbutton $inner.visible \
1781	-text "Cutplanes" \
1782	-variable [itcl::scope _settings(cutplaneVisible)] \
1783	-command [itcl::code $this AdjustSetting cutplaneVisible] \
1784	-font "Arial 9"
1785
1786	checkbutton $inner.wireframe \
1787	-text "Wireframe" \
1788	-variable [itcl::scope _settings(cutplaneWireframe)] \
1789	-command [itcl::code $this AdjustSetting cutplaneWireframe] \
1790	-font "Arial 9"
1791
1792	checkbutton $inner.lighting \
1793	-text "Enable Lighting" \
1794	-variable [itcl::scope _settings(cutplaneLighting)] \
1795	-command [itcl::code $this AdjustSetting cutplaneLighting] \
1796	-font "Arial 9"
1797
1798	checkbutton $inner.edges \
1799	-text "Edges" \
1800	-variable [itcl::scope _settings(cutplaneEdges)] \
1801	-command [itcl::code $this AdjustSetting cutplaneEdges] \
1802	-font "Arial 9"
1803
1804	checkbutton $inner.preinterp \
1805	-text "Interpolate Scalars" \
1806	-variable [itcl::scope _settings(cutplanePreinterp)] \
1807	-command [itcl::code $this AdjustSetting cutplanePreinterp] \
1808	-font "Arial 9"
1809
1810	label $inner.opacity_l -text "Opacity" -font "Arial 9"
1811	::scale $inner.opacity -from 0 -to 100 -orient horizontal \
1812	-variable [itcl::scope _settings(cutplaneOpacity)] \
1813	-width 10 \
1814	-showvalue off \
1815	-command [itcl::code $this AdjustSetting cutplaneOpacity]
1816	$inner.opacity set $_settings(cutplaneOpacity)
1817
1818	# X-value slicer...
1819	itk_component add xbutton {
1820	Rappture::PushButton $inner.xbutton \
1821	-onimage [Rappture::icon x-cutplane-red] \
1822	-offimage [Rappture::icon x-cutplane-red] \
1823	-command [itcl::code $this AdjustSetting cutplaneXVisible] \
1824	-variable [itcl::scope _settings(cutplaneXVisible)] \
1825	}
1826	Rappture::Tooltip::for $itk_component(xbutton) \
1827	"Toggle the X-axis cutplane on/off"
1828	$itk_component(xbutton) select
1829	itk_component add xposition {
1830	::scale $inner.xval -from 100 -to 0 \
1831	-width 10 -orient vertical -showvalue yes \
1832	-borderwidth 1 -highlightthickness 0 \
1833	-command [itcl::code $this EventuallySetCutplane x] \
1834	-variable [itcl::scope _settings(cutplaneXPosition)] \
1835	-foreground red2 -font "Arial 9 bold"
1836	} {
1837	usual
1838	ignore -borderwidth -highlightthickness -foreground -font -background
1839	}
1840	# Set the default cutplane value before disabling the scale.
1841	$itk_component(xposition) set 50
1842	$itk_component(xposition) configure -state disabled
1843	Rappture::Tooltip::for $itk_component(xposition) \
1844	"@[itcl::code $this Slice tooltip x]"
1845
1846	# Y-value slicer...
1847	itk_component add ybutton {
1848	Rappture::PushButton $inner.ybutton \
1849	-onimage [Rappture::icon y-cutplane-green] \
1850	-offimage [Rappture::icon y-cutplane-green] \
1851	-command [itcl::code $this AdjustSetting cutplaneYVisible] \
1852	-variable [itcl::scope _settings(cutplaneYVisible)] \
1853	}
1854	Rappture::Tooltip::for $itk_component(ybutton) \
1855	"Toggle the Y-axis cutplane on/off"
1856	$itk_component(ybutton) select
1857
1858	itk_component add yposition {
1859	::scale $inner.yval -from 100 -to 0 \
1860	-width 10 -orient vertical -showvalue yes \
1861	-borderwidth 1 -highlightthickness 0 \
1862	-command [itcl::code $this EventuallySetCutplane y] \
1863	-variable [itcl::scope _settings(cutplaneYPosition)] \
1864	-foreground green3 -font "Arial 9 bold"
1865	} {
1866	usual
1867	ignore -borderwidth -highlightthickness -foreground -font
1868	}
1869	Rappture::Tooltip::for $itk_component(yposition) \
1870	"@[itcl::code $this Slice tooltip y]"
1871	# Set the default cutplane value before disabling the scale.
1872	$itk_component(yposition) set 50
1873	$itk_component(yposition) configure -state disabled
1874
1875	# Z-value slicer...
1876	itk_component add zbutton {
1877	Rappture::PushButton $inner.zbutton \
1878	-onimage [Rappture::icon z-cutplane-blue] \
1879	-offimage [Rappture::icon z-cutplane-blue] \
1880	-command [itcl::code $this AdjustSetting cutplaneZVisible] \
1881	-variable [itcl::scope _settings(cutplaneZVisible)] \
1882	} {
1883	usual
1884	ignore -foreground
1885	}
1886	Rappture::Tooltip::for $itk_component(zbutton) \
1887	"Toggle the Z-axis cutplane on/off"
1888	$itk_component(zbutton) select
1889
1890	itk_component add zposition {
1891	::scale $inner.zval -from 100 -to 0 \
1892	-width 10 -orient vertical -showvalue yes \
1893	-borderwidth 1 -highlightthickness 0 \
1894	-command [itcl::code $this EventuallySetCutplane z] \
1895	-variable [itcl::scope _settings(cutplaneZPosition)] \
1896	-foreground blue3 -font "Arial 9 bold"
1897	} {
1898	usual
1899	ignore -borderwidth -highlightthickness -foreground -font
1900	}
1901	$itk_component(zposition) set 50
1902	$itk_component(zposition) configure -state disabled
1903	Rappture::Tooltip::for $itk_component(zposition) \
1904	"@[itcl::code $this Slice tooltip z]"
1905
1906	blt::table $inner \
1907	0,0 $inner.visible -anchor w -pady 2 -cspan 3 \
1908	1,0 $inner.lighting -anchor w -pady 2 -cspan 3 \
1909	2,0 $inner.wireframe -anchor w -pady 2 -cspan 3 \
1910	3,0 $inner.edges -anchor w -pady 2 -cspan 3 \
1911	4,0 $inner.preinterp -anchor w -pady 2 -cspan 3 \
1912	5,0 $inner.opacity_l -anchor w -pady 2 -cspan 1 \
1913	5,1 $inner.opacity -fill x -pady 2 -cspan 3 \
1914	6,0 $inner.xbutton -anchor w -padx 2 -pady 2 \
1915	7,0 $inner.ybutton -anchor w -padx 2 -pady 2 \
1916	8,0 $inner.zbutton -anchor w -padx 2 -pady 2 \
1917	6,1 $inner.xval -fill y -rspan 4 \
1918	6,2 $inner.yval -fill y -rspan 4 \
1919	6,3 $inner.zval -fill y -rspan 4 \
1920
1921
1922	blt::table configure $inner r* c* -resize none
1923	blt::table configure $inner r9 c4 -resize expand
1924	}
1925
1926
1927
1928	#
1929	# camera --
1930	#
1931	itcl::body Rappture::VtkGlyphViewer::camera {option args} {
1932	switch -- $option {
1933	"show" {
1934	puts [array get _view]
1935	}
1936	"set" {
1937	set who [lindex $args 0]
1938	set x $_view($who)
1939	set code [catch { string is double $x } result]
1940	if { $code != 0 \|\| !$result } {
1941	return
1942	}
1943	switch -- $who {
1944	"ortho" {
1945	if {$_view(ortho)} {
1946	SendCmd "camera mode ortho"
1947	} else {
1948	SendCmd "camera mode persp"
1949	}
1950	}
1951	"xpan" - "ypan" {
1952	PanCamera
1953	}
1954	"qx" - "qy" - "qz" - "qw" {
1955	set q [list $_view(qw) $_view(qx) $_view(qy) $_view(qz)]
1956	$_arcball quaternion $q
1957	EventuallyRotate $q
1958	}
1959	"zoom" {
1960	SendCmd "camera zoom $_view(zoom)"
1961	}
1962	}
1963	}
1964	}
1965	}
1966
1967	itcl::body Rappture::VtkGlyphViewer::GetVtkData { args } {
1968	set bytes ""
1969	foreach dataobj [get] {
1970	foreach cname [$dataobj components] {
1971	set tag $dataobj-$cname
1972	set contents [$dataobj vtkdata $cname]
1973	append bytes "$contents\n"
1974	}
1975	}
1976	return [list .vtk $bytes]
1977	}
1978
1979	itcl::body Rappture::VtkGlyphViewer::GetImage { args } {
1980	if { [image width $_image(download)] > 0 &&
1981	[image height $_image(download)] > 0 } {
1982	set bytes [$_image(download) data -format "jpeg -quality 100"]
1983	set bytes [Rappture::encoding::decode -as b64 $bytes]
1984	return [list .jpg $bytes]
1985	}
1986	return ""
1987	}
1988
1989	itcl::body Rappture::VtkGlyphViewer::BuildDownloadPopup { popup command } {
1990	Rappture::Balloon $popup \
1991	-title "[Rappture::filexfer::label downloadWord] as..."
1992	set inner [$popup component inner]
1993	label $inner.summary -text "" -anchor w
1994	radiobutton $inner.vtk_button -text "VTK data file" \
1995	-variable [itcl::scope _downloadPopup(format)] \
1996	-font "Arial 9 " \
1997	-value vtk
1998	Rappture::Tooltip::for $inner.vtk_button "Save as VTK data file."
1999	radiobutton $inner.image_button -text "Image File" \
2000	-variable [itcl::scope _downloadPopup(format)] \
2001	-font "Arial 9 " \
2002	-value image
2003	Rappture::Tooltip::for $inner.image_button \
2004	"Save as digital image."
2005
2006	button $inner.ok -text "Save" \
2007	-highlightthickness 0 -pady 2 -padx 3 \
2008	-command $command \
2009	-compound left \
2010	-image [Rappture::icon download]
2011
2012	button $inner.cancel -text "Cancel" \
2013	-highlightthickness 0 -pady 2 -padx 3 \
2014	-command [list $popup deactivate] \
2015	-compound left \
2016	-image [Rappture::icon cancel]
2017
2018	blt::table $inner \
2019	0,0 $inner.summary -cspan 2 \
2020	1,0 $inner.vtk_button -anchor w -cspan 2 -padx { 4 0 } \
2021	2,0 $inner.image_button -anchor w -cspan 2 -padx { 4 0 } \
2022	4,1 $inner.cancel -width .9i -fill y \
2023	4,0 $inner.ok -padx 2 -width .9i -fill y
2024	blt::table configure $inner r3 -height 4
2025	blt::table configure $inner r4 -pady 4
2026	raise $inner.image_button
2027	$inner.vtk_button invoke
2028	return $inner
2029	}
2030
2031	itcl::body Rappture::VtkGlyphViewer::SetObjectStyle { dataobj comp } {
2032	# Parse style string.
2033	set tag $dataobj-$comp
2034	array set style {
2035	-color BCGYR
2036	-edgecolor black
2037	-edges 0
2038	-gscale 1
2039	-lighting 1
2040	-linewidth 1.0
2041	-normscale 1
2042	-opacity 1.0
2043	-orientGlyphs 1
2044	-outline 0
2045	-ptsize 1.0
2046	-quality 1
2047	-scaleMode "vmag"
2048	-shape "arrow"
2049	-wireframe 0
2050	}
2051	set numComponents [$dataobj numComponents $comp]
2052	if {$numComponents == 3} {
2053	set style(-shape) "arrow"
2054	set style(-orientGlyphs) 1
2055	set style(-scaleMode) "vmag"
2056	} else {
2057	set style(-shape) "sphere"
2058	set style(-orientGlyphs) 0
2059	set style(-scaleMode) "scalar"
2060	}
2061	array set style [$dataobj style $comp]
2062	if { $dataobj != $_first } {
2063	set style(-opacity) 1
2064	}
2065	if 0 {
2066	SendCmd "cutplane add $tag"
2067	SendCmd "cutplane visible 0 $tag"
2068	}
2069	# This is too complicated. We want to set the colormap, number of
2070	# glyph and opacity for the dataset. They can be the default values,
2071	# the style hints loaded with the dataset, or set by user controls. As
2072	# datasets get loaded, they first use the defaults that are overidden
2073	# by the style hints. If the user changes the global controls, then that
2074	# overrides everything else. I don't know what it means when global
2075	# controls are specified as style hints by each dataset. It complicates
2076	# the code to handle aberrant cases.
2077
2078	if { $_changed(glyphOpacity) } {
2079	set style(-opacity) [expr $_settings(glyphOpacity) * 0.01]
2080	}
2081	if { $_changed(colormap) } {
2082	set style(-color) $_settings(colormap)
2083	}
2084	if { $_currentColormap == "" } {
2085	$itk_component(colormap) value $style(-color)
2086	}
2087	SendCmd "glyphs add $style(-shape) $tag"
2088	SendCmd "glyphs edges $style(-edges) $tag"
2089	# normscale=1 and gscale=1 are defaults
2090	if {$style(-normscale) != 1} {
2091	SendCmd "glyphs normscale $style(-normscale) $tag"
2092	}
2093	if {$style(-gscale) != 1} {
2094	SendCmd "glyphs gscale $style(-gscale) $tag"
2095	}
2096	SendCmd "outline add $tag"
2097	SendCmd "outline color [Color2RGB $itk_option(-plotforeground)] $tag"
2098	SendCmd "outline visible $style(-outline) $tag"
2099	set _settings(glyphOutline) $style(-outline)
2100	set _settings(glyphEdges) $style(-edges)
2101	# constant color only used if colormode set to constant
2102	SendCmd "glyphs color [Color2RGB $itk_option(-plotforeground)] $tag"
2103	# Omitting field name for gorient and smode commands
2104	# defaults to active scalars or vectors depending on mode
2105	SendCmd "glyphs gorient $style(-orientGlyphs) {} $tag"
2106	SendCmd "glyphs smode $style(-scaleMode) {} $tag"
2107	SendCmd "glyphs quality $style(-quality) $tag"
2108	SendCmd "glyphs lighting $style(-lighting) $tag"
2109	set _settings(glyphLighting) $style(-lighting)
2110	SendCmd "glyphs linecolor [Color2RGB $style(-edgecolor)] $tag"
2111	SendCmd "glyphs linewidth $style(-linewidth) $tag"
2112	SendCmd "glyphs ptsize $style(-ptsize) $tag"
2113	SendCmd "glyphs opacity $style(-opacity) $tag"
2114	set _settings(glyphOpacity) [expr $style(-opacity) * 100.0]
2115	SetCurrentColormap $style(-color)
2116	SendCmd "glyphs wireframe $style(-wireframe) $tag"
2117	set _settings(glyphWireframe) $style(-wireframe)
2118	}
2119
2120	itcl::body Rappture::VtkGlyphViewer::IsValidObject { dataobj } {
2121	if {[catch {$dataobj isa Rappture::Field} valid] != 0 \|\| !$valid} {
2122	return 0
2123	}
2124	return 1
2125	}
2126
2127	#
2128	# EnterLegend --
2129	#
2130	itcl::body Rappture::VtkGlyphViewer::EnterLegend { x y } {
2131	SetLegendTip $x $y
2132	}
2133
2134	#
2135	# MotionLegend --
2136	#
2137	itcl::body Rappture::VtkGlyphViewer::MotionLegend { x y } {
2138	Rappture::Tooltip::tooltip cancel
2139	set c $itk_component(view)
2140	set cw [winfo width $c]
2141	set ch [winfo height $c]
2142	if { $x >= 0 && $x < $cw && $y >= 0 && $y < $ch } {
2143	SetLegendTip $x $y
2144	}
2145	}
2146
2147	#
2148	# LeaveLegend --
2149	#
2150	itcl::body Rappture::VtkGlyphViewer::LeaveLegend { } {
2151	Rappture::Tooltip::tooltip cancel
2152	.rappturetooltip configure -icon ""
2153	}
2154
2155	#
2156	# SetLegendTip --
2157	#
2158	itcl::body Rappture::VtkGlyphViewer::SetLegendTip { x y } {
2159	set fname $_curFldName
2160	set c $itk_component(view)
2161	set w [winfo width $c]
2162	set h [winfo height $c]
2163
2164	set font "Arial 8"
2165	set lineht [font metrics $font -linespace]
2166
2167	set ih [image height $_image(legend)]
2168	set iy [expr $y - ($lineht + 2)]
2169
2170	if { [string match "component*" $fname] } {
2171	set title ""
2172	} else {
2173	if { [info exists _fields($fname)] } {
2174	foreach { title units } $_fields($fname) break
2175	if { $units != "" } {
2176	set title [format "%s (%s)" $title $units]
2177	}
2178	} else {
2179	set title $fname
2180	}
2181	}
2182	# If there's a legend title, increase the offset by the line height.
2183	if { $title != "" } {
2184	incr iy -$lineht
2185	}
2186	# Make a swatch of the selected color
2187	if { [catch { $_image(legend) get 10 $iy } pixel] != 0 } {
2188	return
2189	}
2190	if { ![info exists _image(swatch)] } {
2191	set _image(swatch) [image create photo -width 24 -height 24]
2192	}
2193	set color [eval format "\#%02x%02x%02x" $pixel]
2194	$_image(swatch) put black -to 0 0 23 23
2195	$_image(swatch) put $color -to 1 1 22 22
2196	.rappturetooltip configure -icon $_image(swatch)
2197
2198	# Compute the value of the point
2199	if { [info exists _limits($_curFldName)] } {
2200	foreach { vmin vmax } $_limits($_curFldName) break
2201	set t [expr 1.0 - (double($iy) / double($ih-1))]
2202	set value [expr $t * ($vmax - $vmin) + $vmin]
2203	} else {
2204	set value 0.0
2205	}
2206	set tx [expr $x + 15]
2207	set ty [expr $y - 5]
2208	Rappture::Tooltip::text $c [format "$title %g" $value]
2209	Rappture::Tooltip::tooltip show $c +$tx,+$ty
2210	}
2211
2212
2213	# ----------------------------------------------------------------------
2214	# USAGE: Slice move x\|y\|z <newval>
2215	#
2216	# Called automatically when the user drags the slider to move the
2217	# cut plane that slices 3D data. Gets the current value from the
2218	# slider and moves the cut plane to the appropriate point in the
2219	# data set.
2220	# ----------------------------------------------------------------------
2221	itcl::body Rappture::VtkGlyphViewer::Slice {option args} {
2222	switch -- $option {
2223	"move" {
2224	set axis [lindex $args 0]
2225	set newval [lindex $args 1]
2226	if {[llength $args] != 2} {
2227	error "wrong # args: should be \"Slice move x\|y\|z newval\""
2228	}
2229	set newpos [expr {0.01*$newval}]
2230	SendCmd "cutplane slice $axis $newpos"
2231	}
2232	"tooltip" {
2233	set axis [lindex $args 0]
2234	set val [$itk_component(${axis}position) get]
2235	return "Move the [string toupper $axis] cut plane.\nCurrently: $axis = $val%"
2236	}
2237	default {
2238	error "bad option \"$option\": should be axis, move, or tooltip"
2239	}
2240	}
2241	}
2242
2243	#
2244	# ReceiveLegend --
2245	#
2246	# Invoked automatically whenever the "legend" command comes in from
2247	# the rendering server. Indicates that binary image data with the
2248	# specified <size> will follow.
2249	#
2250	itcl::body Rappture::VtkGlyphViewer::ReceiveLegend { colormap title min max size } {
2251	#puts stderr "ReceiveLegend colormap=$colormap title=$title range=$min,$max size=$size"
2252	set _title $title
2253	regsub {\(mag\)} $title "" _title
2254	if { [IsConnected] } {
2255	set bytes [ReceiveBytes $size]
2256	if { ![info exists _image(legend)] } {
2257	set _image(legend) [image create photo]
2258	}
2259	$_image(legend) configure -data $bytes
2260	#puts stderr "read $size bytes for [image width $_image(legend)]x[image height $_image(legend)] legend>"
2261	if { [catch {DrawLegend} errs] != 0 } {
2262	global errorInfo
2263	puts stderr "errs=$errs errorInfo=$errorInfo"
2264	}
2265	}
2266	}
2267
2268	#
2269	# DrawLegend --
2270	#
2271	# Draws the legend in the own canvas on the right side of the plot area.
2272	#
2273	itcl::body Rappture::VtkGlyphViewer::DrawLegend {} {
2274	set fname $_curFldName
2275	set c $itk_component(view)
2276	set w [winfo width $c]
2277	set h [winfo height $c]
2278	set font "Arial 8"
2279	set lineht [font metrics $font -linespace]
2280
2281	if { [string match "component*" $fname] } {
2282	set title ""
2283	} else {
2284	if { [info exists _fields($fname)] } {
2285	foreach { title units } $_fields($fname) break
2286	if { $units != "" } {
2287	set title [format "%s (%s)" $title $units]
2288	}
2289	} else {
2290	set title $fname
2291	}
2292	}
2293	set x [expr $w - 2]
2294	if { !$_settings(legendVisible) } {
2295	$c delete legend
2296	return
2297	}
2298	if { [$c find withtag "legend"] == "" } {
2299	set y 2
2300	# If there's a legend title, create a text item for the title.
2301	$c create text $x $y \
2302	-anchor ne \
2303	-fill $itk_option(-plotforeground) -tags "title legend" \
2304	-font $font
2305	incr y $lineht
2306	$c create text $x $y \
2307	-anchor ne \
2308	-fill $itk_option(-plotforeground) -tags "vmax legend" \
2309	-font $font
2310	incr y $lineht
2311	$c create image $x $y \
2312	-anchor ne \
2313	-image $_image(legend) -tags "colormap legend"
2314	$c create rectangle $x $y 1 1 \
2315	-fill "" -outline "" -tags "sensor legend"
2316	$c create text $x [expr {$h-2}] \
2317	-anchor se \
2318	-fill $itk_option(-plotforeground) -tags "vmin legend" \
2319	-font $font
2320	$c bind sensor <Enter> [itcl::code $this EnterLegend %x %y]
2321	$c bind sensor <Leave> [itcl::code $this LeaveLegend]
2322	$c bind sensor <Motion> [itcl::code $this MotionLegend %x %y]
2323	}
2324	set x2 $x
2325	set iw [image width $_image(legend)]
2326	set ih [image height $_image(legend)]
2327	set x1 [expr $x2 - ($iw*12)/10]
2328
2329	$c bind title <ButtonPress> [itcl::code $this Combo post]
2330	$c bind title <Enter> [itcl::code $this Combo activate]
2331	$c bind title <Leave> [itcl::code $this Combo deactivate]
2332	# Reset the item coordinates according the current size of the plot.
2333	$c itemconfigure title -text $title
2334	if { [info exists _limits($_curFldName)] } {
2335	foreach { vmin vmax } $_limits($_curFldName) break
2336	$c itemconfigure vmin -text [format %g $vmin]
2337	$c itemconfigure vmax -text [format %g $vmax]
2338	}
2339	set y 2
2340	# If there's a legend title, move the title to the correct position
2341	if { $title != "" } {
2342	$c itemconfigure title -text $title
2343	$c coords title $x $y
2344	incr y $lineht
2345	$c raise title
2346	}
2347	$c coords vmax $x $y
2348	incr y $lineht
2349	$c coords colormap $x $y
2350	$c coords sensor [expr $x - $iw] $y $x [expr $y + $ih]
2351	$c raise sensor
2352	$c coords vmin $x [expr {$h - 2}]
2353	}
2354
2355	# ----------------------------------------------------------------------
2356	# USAGE: _dropdown post
2357	# USAGE: _dropdown unpost
2358	# USAGE: _dropdown select
2359	#
2360	# Used internally to handle the dropdown list for this combobox. The
2361	# post/unpost options are invoked when the list is posted or unposted
2362	# to manage the relief of the controlling button. The select option
2363	# is invoked whenever there is a selection from the list, to assign
2364	# the value back to the gauge.
2365	# ----------------------------------------------------------------------
2366	itcl::body Rappture::VtkGlyphViewer::Combo {option} {
2367	set c $itk_component(view)
2368	switch -- $option {
2369	post {
2370	foreach { x1 y1 x2 y2 } [$c bbox title] break
2371	set cw [winfo width $itk_component(view)]
2372	set mw [winfo reqwidth $itk_component(fieldmenu)]
2373	set x1 [expr $cw - $mw]
2374	set x [expr $x1 + [winfo rootx $itk_component(view)]]
2375	set y [expr $y2 + [winfo rooty $itk_component(view)]]
2376	tk_popup $itk_component(fieldmenu) $x $y
2377	}
2378	activate {
2379	$c itemconfigure title -fill red
2380	}
2381	deactivate {
2382	$c itemconfigure title -fill $itk_option(-plotforeground)
2383	}
2384	invoke {
2385	$itk_component(field) value $_curFldLabel
2386	AdjustSetting field
2387	}
2388	default {
2389	error "bad option \"$option\": should be post, unpost, select"
2390	}
2391	}
2392	}
2393
2394	#
2395	# SetCurrentColormap --
2396	#
2397	itcl::body Rappture::VtkGlyphViewer::SetCurrentColormap { name } {
2398	# Keep track of the colormaps that we build.
2399	if { ![info exists _colormaps($name)] } {
2400	BuildColormap $name
2401	set _colormaps($name) 1
2402	}
2403	set _currentColormap $name
2404	SendCmd "glyphs colormap $_currentColormap"
2405	}
2406
2407	#
2408	# BuildColormap --
2409	#
2410	# Build the designated colormap on the server.
2411	#
2412	itcl::body Rappture::VtkGlyphViewer::BuildColormap { name } {
2413	set cmap [ColorsToColormap $name]
2414	if { [llength $cmap] == 0 } {
2415	set cmap "0.0 0.0 0.0 0.0 1.0 1.0 1.0 1.0"
2416	}
2417	set wmap "0.0 1.0 1.0 1.0"
2418	SendCmd "colormap add $name { $cmap } { $wmap }"
2419	}
2420
2421	itcl::body Rappture::VtkGlyphViewer::SetOrientation { side } {
2422	array set positions {
2423	front "1 0 0 0"
2424	back "0 0 1 0"
2425	left "0.707107 0 -0.707107 0"
2426	right "0.707107 0 0.707107 0"
2427	top "0.707107 -0.707107 0 0"
2428	bottom "0.707107 0.707107 0 0"
2429	}
2430	foreach name { qw qx qy qz } value $positions($side) {
2431	set _view($name) $value
2432	}
2433	set q [list $_view(qw) $_view(qx) $_view(qy) $_view(qz)]
2434	$_arcball quaternion $q
2435	SendCmd "camera orient $q"
2436	SendCmd "camera reset"
2437	set _view(xpan) 0
2438	set _view(ypan) 0
2439	set _view(zoom) 1.0
2440	}
2441

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