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source: trunk/gui/scripts/vtkglyphviewer.tcl @ 4707

Last change on this file since 4707 was 4707, checked in by ldelgass, 9 years ago
Some cleanups for glyph viewer
File size: 88.4 KB

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1	# -- mode: tcl; indent-tabs-mode: nil --
2	# ----------------------------------------------------------------------
3	# COMPONENT: vtkglyphviewer - Vtk 3D glyphs 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 *VtkGlyphViewer.width 4i widgetDefault
19	option add VtkGlyphViewercursor crosshair widgetDefault
20	option add *VtkGlyphViewer.height 4i widgetDefault
21	option add *VtkGlyphViewer.foreground black widgetDefault
22	option add *VtkGlyphViewer.controlBackground gray widgetDefault
23	option add *VtkGlyphViewer.controlDarkBackground #999999 widgetDefault
24	option add *VtkGlyphViewer.plotBackground black widgetDefault
25	option add *VtkGlyphViewer.plotForeground white widgetDefault
26	option add *VtkGlyphViewer.font \
27	--helvetica-medium-r-normal--12-* widgetDefault
28
29	# must use this name -- plugs into Rappture::resources::load
30	proc VtkGlyphViewer_init_resources {} {
31	Rappture::resources::register \
32	vtkvis_server Rappture::VtkGlyphViewer::SetServerList
33	}
34
35	itcl::class Rappture::VtkGlyphViewer {
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 parameters {title args} {
60	# do nothing
61	}
62	public method scale {args}
63
64	protected method Connect {}
65	protected method CurrentDatasets {args}
66	protected method Disconnect {}
67	protected method DoResize {}
68	protected method DoRotate {}
69	protected method AdjustSetting {what {value ""}}
70	protected method InitSettings { args }
71	protected method Pan {option x y}
72	protected method Pick {x y}
73	protected method Rebuild {}
74	protected method ReceiveDataset { args }
75	protected method ReceiveImage { args }
76	protected method ReceiveLegend { colormap title vmin vmax size }
77	protected method Rotate {option x y}
78	protected method Zoom {option}
79
80	# The following methods are only used by this class.
81	private method BuildAxisTab {}
82	private method BuildCameraTab {}
83	private method BuildColormap { name }
84	private method BuildCutplaneTab {}
85	private method BuildDownloadPopup { widget command }
86	private method BuildGlyphTab {}
87	private method DrawLegend {}
88	private method Combo { option }
89	private method EnterLegend { x y }
90	private method EventuallyResize { w h }
91	private method EventuallyRotate { q }
92	private method EventuallyRequestLegend {}
93	private method EventuallySetCutplane { axis args }
94	private method GetImage { args }
95	private method GetVtkData { args }
96	private method IsValidObject { dataobj }
97	private method LeaveLegend {}
98	private method MotionLegend { x y }
99	private method PanCamera {}
100	private method RequestLegend {}
101	private method SetLegendTip { x y }
102	private method SetObjectStyle { dataobj comp }
103	private method Slice {option args}
104	private method SetCurrentColormap { color }
105	private method SetOrientation { side }
106
107	private variable _arcball ""
108
109	private variable _dlist "" ; # list of data objects
110	private variable _obj2datasets
111	private variable _obj2ovride ; # maps dataobj => style override
112	private variable _datasets ; # contains all the dataobj-component
113	; # datasets in the server
114	private variable _colormaps ; # contains all the colormaps
115	; # in the server.
116	# The name of the current colormap used. The colormap is global to all
117	# heightmaps displayed.
118	private variable _currentColormap ""
119
120	private variable _dataset2style ;# maps dataobj-component to transfunc
121
122	private variable _click ; # info used for rotate operations
123	private variable _limits ; # autoscale min/max for all axes
124	private variable _view ; # view params for 3D view
125	private variable _settings
126	private variable _style; # Array of current component styles.
127	private variable _changed
128	private variable _initialStyle; # Array of initial component styles.
129	private variable _reset 1; # indicates if camera needs to be reset
130	# to starting position.
131
132	private variable _first "" ; # This is the topmost dataset.
133	private variable _start 0
134	private variable _title ""
135
136	common _downloadPopup; # download options from popup
137	private common _hardcopy
138	private variable _width 0
139	private variable _height 0
140	private variable _resizePending 0
141	private variable _rotatePending 0
142	private variable _cutplanePending 0
143	private variable _legendPending 0
144	private variable _field ""
145	private variable _colorMode "vmag"; # Mode of colormap (vmag or scalar)
146	private variable _fieldNames {}
147	private variable _fields
148	private variable _curFldName ""
149	private variable _curFldLabel ""
150	}
151
152	itk::usual VtkGlyphViewer {
153	keep -background -foreground -cursor -font
154	keep -plotbackground -plotforeground
155	}
156
157	# ----------------------------------------------------------------------
158	# CONSTRUCTOR
159	# ----------------------------------------------------------------------
160	itcl::body Rappture::VtkGlyphViewer::constructor {hostlist args} {
161	package require vtk
162	set _serverType "vtkvis"
163
164	# Rebuild event
165	$_dispatcher register !rebuild
166	$_dispatcher dispatch $this !rebuild "[itcl::code $this Rebuild]; list"
167
168	# Resize event
169	$_dispatcher register !resize
170	$_dispatcher dispatch $this !resize "[itcl::code $this DoResize]; list"
171
172	# Rotate event
173	$_dispatcher register !rotate
174	$_dispatcher dispatch $this !rotate "[itcl::code $this DoRotate]; list"
175
176	# Legend event
177	$_dispatcher register !legend
178	$_dispatcher dispatch $this !legend "[itcl::code $this RequestLegend]; list"
179
180	# X-Cutplane event
181	$_dispatcher register !xcutplane
182	$_dispatcher dispatch $this !xcutplane \
183	"[itcl::code $this AdjustSetting -cutplanexposition]; list"
184
185	# Y-Cutplane event
186	$_dispatcher register !ycutplane
187	$_dispatcher dispatch $this !ycutplane \
188	"[itcl::code $this AdjustSetting -cutplaneyposition]; list"
189
190	# Z-Cutplane event
191	$_dispatcher register !zcutplane
192	$_dispatcher dispatch $this !zcutplane \
193	"[itcl::code $this AdjustSetting -cutplanezposition]; list"
194
195	#
196	# Populate parser with commands handle incoming requests
197	#
198	$_parser alias image [itcl::code $this ReceiveImage]
199	$_parser alias dataset [itcl::code $this ReceiveDataset]
200	$_parser alias legend [itcl::code $this ReceiveLegend]
201
202	# Initialize the view to some default parameters.
203	array set _view {
204	qw 0.853553
205	qx -0.353553
206	qy 0.353553
207	qz 0.146447
208	zoom 1.0
209	xpan 0
210	ypan 0
211	ortho 0
212	}
213	set _arcball [blt::arcball create 100 100]
214	set q [list $_view(qw) $_view(qx) $_view(qy) $_view(qz)]
215	$_arcball quaternion $q
216
217	array set _settings [subst {
218	-axesvisible 1
219	-axislabels 1
220	-axisminorticks 1
221	-axismode "static"
222	-background black
223	-colormap BCGYR
224	-colormapvisible 1
225	-cutplaneedges 0
226	-cutplanelighting 1
227	-cutplanepreinterp 1
228	-cutplaneopacity 100
229	-cutplanevisible 0
230	-cutplanewireframe 0
231	-cutplanexposition 50
232	-cutplanexvisible 1
233	-cutplaneyposition 50
234	-cutplaneyvisible 1
235	-cutplanezposition 50
236	-cutplanezvisible 1
237	-field "Default"
238	-glyphedges 0
239	-glyphlighting 1
240	-glyphnormscale 1
241	-glyphopacity 100
242	-glyphorient 1
243	-glyphoutline 0
244	-glyphscale 1
245	-glyphscalemode "vmag"
246	-glyphshape "arrow"
247	-glyphvisible 1
248	-glyphwireframe 0
249	-legendvisible 1
250	-saveglyphopacity 100
251	-xgrid 0
252	-ygrid 0
253	-zgrid 0
254	}]
255	array set _changed {
256	-colormap 0
257	-glyphopacity 0
258	}
259
260	itk_component add view {
261	canvas $itk_component(plotarea).view \
262	-highlightthickness 0 -borderwidth 0
263	} {
264	usual
265	ignore -highlightthickness -borderwidth -background
266	}
267
268	itk_component add fieldmenu {
269	menu $itk_component(plotarea).menu -bg black -fg white -relief flat \
270	-tearoff no
271	} {
272	usual
273	ignore -background -foreground -relief -tearoff
274	}
275	set c $itk_component(view)
276	bind $c <Configure> [itcl::code $this EventuallyResize %w %h]
277	bind $c <4> [itcl::code $this Zoom in 0.25]
278	bind $c <5> [itcl::code $this Zoom out 0.25]
279	bind $c <KeyPress-Left> [list %W xview scroll 10 units]
280	bind $c <KeyPress-Right> [list %W xview scroll -10 units]
281	bind $c <KeyPress-Up> [list %W yview scroll 10 units]
282	bind $c <KeyPress-Down> [list %W yview scroll -10 units]
283	bind $c <Enter> "focus %W"
284	bind $c <Control-F1> [itcl::code $this ToggleConsole]
285
286	# Fix the scrollregion in case we go off screen
287	$c configure -scrollregion [$c bbox all]
288
289	set _map(id) [$c create image 0 0 -anchor nw -image $_image(plot)]
290	set _map(cwidth) -1
291	set _map(cheight) -1
292	set _map(zoom) 1.0
293	set _map(original) ""
294
295	set f [$itk_component(main) component controls]
296	itk_component add reset {
297	button $f.reset -borderwidth 1 -padx 1 -pady 1 \
298	-highlightthickness 0 \
299	-image [Rappture::icon reset-view] \
300	-command [itcl::code $this Zoom reset]
301	} {
302	usual
303	ignore -highlightthickness
304	}
305	pack $itk_component(reset) -side top -padx 2 -pady 2
306	Rappture::Tooltip::for $itk_component(reset) \
307	"Reset the view to the default zoom level"
308
309	itk_component add zoomin {
310	button $f.zin -borderwidth 1 -padx 1 -pady 1 \
311	-highlightthickness 0 \
312	-image [Rappture::icon zoom-in] \
313	-command [itcl::code $this Zoom in]
314	} {
315	usual
316	ignore -highlightthickness
317	}
318	pack $itk_component(zoomin) -side top -padx 2 -pady 2
319	Rappture::Tooltip::for $itk_component(zoomin) "Zoom in"
320
321	itk_component add zoomout {
322	button $f.zout -borderwidth 1 -padx 1 -pady 1 \
323	-highlightthickness 0 \
324	-image [Rappture::icon zoom-out] \
325	-command [itcl::code $this Zoom out]
326	} {
327	usual
328	ignore -highlightthickness
329	}
330	pack $itk_component(zoomout) -side top -padx 2 -pady 2
331	Rappture::Tooltip::for $itk_component(zoomout) "Zoom out"
332
333	itk_component add glyphs {
334	Rappture::PushButton $f.glyphs \
335	-onimage [Rappture::icon volume-on] \
336	-offimage [Rappture::icon volume-off] \
337	-variable [itcl::scope _settings(-glyphvisible)] \
338	-command [itcl::code $this AdjustSetting -glyphvisible]
339	}
340	$itk_component(glyphs) select
341	Rappture::Tooltip::for $itk_component(glyphs) \
342	"Don't display the glyphs"
343	pack $itk_component(glyphs) -padx 2 -pady 2
344
345	if {0} {
346	itk_component add cutplane {
347	Rappture::PushButton $f.cutplane \
348	-onimage [Rappture::icon cutbutton] \
349	-offimage [Rappture::icon cutbutton] \
350	-variable [itcl::scope _settings(-cutplanevisible)] \
351	-command [itcl::code $this AdjustSetting -cutplanevisible]
352	}
353	Rappture::Tooltip::for $itk_component(cutplane) \
354	"Show/Hide cutplanes"
355	pack $itk_component(cutplane) -padx 2 -pady 2
356	}
357
358	if { [catch {
359	BuildGlyphTab
360	#BuildCutplaneTab
361	BuildAxisTab
362	BuildCameraTab
363	} errs] != 0 } {
364	puts stderr errs=$errs
365	}
366	# Legend
367
368	set _image(legend) [image create photo]
369	itk_component add legend {
370	canvas $itk_component(plotarea).legend -width 50 -highlightthickness 0
371	} {
372	usual
373	ignore -highlightthickness
374	rename -background -plotbackground plotBackground Background
375	}
376
377	# Hack around the Tk panewindow. The problem is that the requested
378	# size of the 3d view isn't set until an image is retrieved from
379	# the server. So the panewindow uses the tiny size.
380	set w 10000
381	pack forget $itk_component(view)
382	blt::table $itk_component(plotarea) \
383	0,0 $itk_component(view) -fill both -reqwidth $w
384	blt::table configure $itk_component(plotarea) c1 -resize none
385
386	# Bindings for rotation via mouse
387	bind $itk_component(view) <ButtonPress-1> \
388	[itcl::code $this Rotate click %x %y]
389	bind $itk_component(view) <B1-Motion> \
390	[itcl::code $this Rotate drag %x %y]
391	bind $itk_component(view) <ButtonRelease-1> \
392	[itcl::code $this Rotate release %x %y]
393
394	# Bindings for panning via mouse
395	bind $itk_component(view) <ButtonPress-2> \
396	[itcl::code $this Pan click %x %y]
397	bind $itk_component(view) <B2-Motion> \
398	[itcl::code $this Pan drag %x %y]
399	bind $itk_component(view) <ButtonRelease-2> \
400	[itcl::code $this Pan release %x %y]
401
402	#bind $itk_component(view) <ButtonRelease-3> \
403	# [itcl::code $this Pick %x %y]
404
405	# Bindings for panning via keyboard
406	bind $itk_component(view) <KeyPress-Left> \
407	[itcl::code $this Pan set -10 0]
408	bind $itk_component(view) <KeyPress-Right> \
409	[itcl::code $this Pan set 10 0]
410	bind $itk_component(view) <KeyPress-Up> \
411	[itcl::code $this Pan set 0 -10]
412	bind $itk_component(view) <KeyPress-Down> \
413	[itcl::code $this Pan set 0 10]
414	bind $itk_component(view) <Shift-KeyPress-Left> \
415	[itcl::code $this Pan set -2 0]
416	bind $itk_component(view) <Shift-KeyPress-Right> \
417	[itcl::code $this Pan set 2 0]
418	bind $itk_component(view) <Shift-KeyPress-Up> \
419	[itcl::code $this Pan set 0 -2]
420	bind $itk_component(view) <Shift-KeyPress-Down> \
421	[itcl::code $this Pan set 0 2]
422
423	# Bindings for zoom via keyboard
424	bind $itk_component(view) <KeyPress-Prior> \
425	[itcl::code $this Zoom out]
426	bind $itk_component(view) <KeyPress-Next> \
427	[itcl::code $this Zoom in]
428
429	bind $itk_component(view) <Enter> "focus $itk_component(view)"
430
431	if {[string equal "x11" [tk windowingsystem]]} {
432	# Bindings for zoom via mouse
433	bind $itk_component(view) <4> [itcl::code $this Zoom out]
434	bind $itk_component(view) <5> [itcl::code $this Zoom in]
435	}
436
437	set _image(download) [image create photo]
438
439	eval itk_initialize $args
440	Connect
441	}
442
443	# ----------------------------------------------------------------------
444	# DESTRUCTOR
445	# ----------------------------------------------------------------------
446	itcl::body Rappture::VtkGlyphViewer::destructor {} {
447	Disconnect
448	image delete $_image(plot)
449	image delete $_image(download)
450	catch { blt::arcball destroy $_arcball }
451	}
452
453	itcl::body Rappture::VtkGlyphViewer::DoResize {} {
454	if { $_width < 2 } {
455	set _width 500
456	}
457	if { $_height < 2 } {
458	set _height 500
459	}
460	set _start [clock clicks -milliseconds]
461	SendCmd "screen size $_width $_height"
462
463	EventuallyRequestLegend
464	set _resizePending 0
465	}
466
467	itcl::body Rappture::VtkGlyphViewer::DoRotate {} {
468	set q [list $_view(qw) $_view(qx) $_view(qy) $_view(qz)]
469	SendCmd "camera orient $q"
470	set _rotatePending 0
471	}
472
473	itcl::body Rappture::VtkGlyphViewer::EventuallyRequestLegend {} {
474	if { !$_legendPending } {
475	set _legendPending 1
476	$_dispatcher event -idle !legend
477	}
478	}
479
480	itcl::body Rappture::VtkGlyphViewer::EventuallyResize { w h } {
481	set _width $w
482	set _height $h
483	$_arcball resize $w $h
484	if { !$_resizePending } {
485	set _resizePending 1
486	$_dispatcher event -after 400 !resize
487	}
488	}
489
490	set rotate_delay 100
491
492	itcl::body Rappture::VtkGlyphViewer::EventuallyRotate { q } {
493	foreach { _view(qw) _view(qx) _view(qy) _view(qz) } $q break
494	if { !$_rotatePending } {
495	set _rotatePending 1
496	global rotate_delay
497	$_dispatcher event -after $rotate_delay !rotate
498	}
499	}
500
501	itcl::body Rappture::VtkGlyphViewer::EventuallySetCutplane { axis args } {
502	if { !$_cutplanePending } {
503	set _cutplanePending 1
504	$_dispatcher event -after 100 !${axis}cutplane
505	}
506	}
507
508	# ----------------------------------------------------------------------
509	# USAGE: add <dataobj> ?<settings>?
510	#
511	# Clients use this to add a data object to the plot. The optional
512	# <settings> are used to configure the plot. Allowed settings are
513	# -color, -brightness, -width, -linestyle, and -raise.
514	# ----------------------------------------------------------------------
515	itcl::body Rappture::VtkGlyphViewer::add {dataobj {settings ""}} {
516	if { ![$dataobj isvalid] } {
517	return; # Object doesn't contain valid data.
518	}
519	array set params {
520	-color auto
521	-width 1
522	-linestyle solid
523	-brightness 0
524	-raise 0
525	-description ""
526	-param ""
527	-type ""
528	}
529	array set params $settings
530	set params(-description) ""
531	set params(-param) ""
532	array set params $settings
533
534	if {$params(-color) == "auto" \|\| $params(-color) == "autoreset"} {
535	# can't handle -autocolors yet
536	set params(-color) black
537	}
538	set pos [lsearch -exact $_dlist $dataobj]
539	if {$pos < 0} {
540	lappend _dlist $dataobj
541	}
542	set _obj2ovride($dataobj-color) $params(-color)
543	set _obj2ovride($dataobj-width) $params(-width)
544	set _obj2ovride($dataobj-raise) $params(-raise)
545	$_dispatcher event -idle !rebuild
546	}
547
548	# ----------------------------------------------------------------------
549	# USAGE: delete ?<dataobj1> <dataobj2> ...?
550	#
551	# Clients use this to delete a dataobj from the plot. If no dataobjs
552	# are specified, then all dataobjs are deleted. No data objects are
553	# deleted. They are only removed from the display list.
554	#
555	# ----------------------------------------------------------------------
556	itcl::body Rappture::VtkGlyphViewer::delete {args} {
557	if { [llength $args] == 0} {
558	set args $_dlist
559	}
560	# Delete all specified dataobjs
561	set changed 0
562	foreach dataobj $args {
563	set pos [lsearch -exact $_dlist $dataobj]
564	if { $pos < 0 } {
565	continue; # Don't know anything about it.
566	}
567	# Remove it from the dataobj list.
568	set _dlist [lreplace $_dlist $pos $pos]
569	array unset _obj2ovride $dataobj-*
570	array unset _settings $dataobj-*
571	set changed 1
572	}
573	# If anything changed, then rebuild the plot
574	if { $changed } {
575	$_dispatcher event -idle !rebuild
576	}
577	}
578
579	# ----------------------------------------------------------------------
580	# USAGE: get ?-objects?
581	# USAGE: get ?-visible?
582	# USAGE: get ?-image view?
583	#
584	# Clients use this to query the list of objects being plotted, in
585	# order from bottom to top of this result. The optional "-image"
586	# flag can also request the internal images being shown.
587	# ----------------------------------------------------------------------
588	itcl::body Rappture::VtkGlyphViewer::get {args} {
589	if {[llength $args] == 0} {
590	set args "-objects"
591	}
592
593	set op [lindex $args 0]
594	switch -- $op {
595	"-objects" {
596	# put the dataobj list in order according to -raise options
597	set dlist {}
598	foreach dataobj $_dlist {
599	if { ![IsValidObject $dataobj] } {
600	continue
601	}
602	if {[info exists _obj2ovride($dataobj-raise)] &&
603	$_obj2ovride($dataobj-raise)} {
604	set dlist [linsert $dlist 0 $dataobj]
605	} else {
606	lappend dlist $dataobj
607	}
608	}
609	return $dlist
610	}
611	"-visible" {
612	set dlist {}
613	foreach dataobj $_dlist {
614	if { ![IsValidObject $dataobj] } {
615	continue
616	}
617	if { ![info exists _obj2ovride($dataobj-raise)] } {
618	# No setting indicates that the object isn't visible.
619	continue
620	}
621	# Otherwise use the -raise parameter to put the object to
622	# the front of the list.
623	if { $_obj2ovride($dataobj-raise) } {
624	set dlist [linsert $dlist 0 $dataobj]
625	} else {
626	lappend dlist $dataobj
627	}
628	}
629	return $dlist
630	}
631	-image {
632	if {[llength $args] != 2} {
633	error "wrong # args: should be \"get -image view\""
634	}
635	switch -- [lindex $args end] {
636	view {
637	return $_image(plot)
638	}
639	default {
640	error "bad image name \"[lindex $args end]\": should be view"
641	}
642	}
643	}
644	default {
645	error "bad option \"$op\": should be -objects or -image"
646	}
647	}
648	}
649
650	# ----------------------------------------------------------------------
651	# USAGE: scale ?<data1> <data2> ...?
652	#
653	# Sets the default limits for the overall plot according to the
654	# limits of the data for all of the given <data> objects. This
655	# accounts for all objects--even those not showing on the screen.
656	# Because of this, the limits are appropriate for all objects as
657	# the user scans through data in the ResultSet viewer.
658	# ----------------------------------------------------------------------
659	itcl::body Rappture::VtkGlyphViewer::scale { args } {
660	foreach dataobj $args {
661	if { ![$dataobj isvalid] } {
662	continue; # Object doesn't contain valid data.
663	}
664	foreach axis { x y z } {
665	set lim [$dataobj limits $axis]
666	if { ![info exists _limits($axis)] } {
667	set _limits($axis) $lim
668	continue
669	}
670	foreach {min max} $lim break
671	foreach {amin amax} $_limits($axis) break
672	if { $amin > $min } {
673	set amin $min
674	}
675	if { $amax < $max } {
676	set amax $max
677	}
678	set _limits($axis) [list $amin $amax]
679	}
680	foreach { fname lim } [$dataobj fieldlimits] {
681	if { ![info exists _limits($fname)] } {
682	set _limits($fname) $lim
683	continue
684	}
685	foreach {min max} $lim break
686	foreach {fmin fmax} $_limits($fname) break
687	if { $fmin > $min } {
688	set fmin $min
689	}
690	if { $fmax < $max } {
691	set fmax $max
692	}
693	set _limits($fname) [list $fmin $fmax]
694	}
695	}
696	}
697
698	# ----------------------------------------------------------------------
699	# USAGE: download coming
700	# USAGE: download controls <downloadCommand>
701	# USAGE: download now
702	#
703	# Clients use this method to create a downloadable representation
704	# of the plot. Returns a list of the form {ext string}, where
705	# "ext" is the file extension (indicating the type of data) and
706	# "string" is the data itself.
707	# ----------------------------------------------------------------------
708	itcl::body Rappture::VtkGlyphViewer::download {option args} {
709	switch $option {
710	coming {
711	if {[catch {
712	blt::winop snap $itk_component(plotarea) $_image(download)
713	}]} {
714	$_image(download) configure -width 1 -height 1
715	$_image(download) put #000000
716	}
717	}
718	controls {
719	set popup .vtkviewerdownload
720	if { ![winfo exists .vtkviewerdownload] } {
721	set inner [BuildDownloadPopup $popup [lindex $args 0]]
722	} else {
723	set inner [$popup component inner]
724	}
725	set _downloadPopup(image_controls) $inner.image_frame
726	set num [llength [get]]
727	set num [expr {($num == 1) ? "1 result" : "$num results"}]
728	set word [Rappture::filexfer::label downloadWord]
729	$inner.summary configure -text "$word $num in the following format:"
730	update idletasks ;# Fix initial sizes
731	return $popup
732	}
733	now {
734	set popup .vtkviewerdownload
735	if {[winfo exists .vtkviewerdownload]} {
736	$popup deactivate
737	}
738	switch -- $_downloadPopup(format) {
739	"image" {
740	return [$this GetImage [lindex $args 0]]
741	}
742	"vtk" {
743	return [$this GetVtkData [lindex $args 0]]
744	}
745	}
746	return ""
747	}
748	default {
749	error "bad option \"$option\": should be coming, controls, now"
750	}
751	}
752	}
753
754	# ----------------------------------------------------------------------
755	# USAGE: Connect ?<host:port>,<host:port>...?
756	#
757	# Clients use this method to establish a connection to a new
758	# server, or to reestablish a connection to the previous server.
759	# Any existing connection is automatically closed.
760	# ----------------------------------------------------------------------
761	itcl::body Rappture::VtkGlyphViewer::Connect {} {
762	set _hosts [GetServerList "vtkvis"]
763	if { "" == $_hosts } {
764	return 0
765	}
766	set result [VisViewer::Connect $_hosts]
767	if { $result } {
768	if { $_reportClientInfo } {
769	# Tell the server the viewer, hub, user and session.
770	# Do this immediately on connect before buffering any commands
771	global env
772
773	set info {}
774	set user "???"
775	if { [info exists env(USER)] } {
776	set user $env(USER)
777	}
778	set session "???"
779	if { [info exists env(SESSION)] } {
780	set session $env(SESSION)
781	}
782	lappend info "version" "$Rappture::version"
783	lappend info "build" "$Rappture::build"
784	lappend info "svnurl" "$Rappture::svnurl"
785	lappend info "installdir" "$Rappture::installdir"
786	lappend info "hub" [exec hostname]
787	lappend info "client" "vtkglyphviewer"
788	lappend info "user" $user
789	lappend info "session" $session
790	SendCmd "clientinfo [list $info]"
791	}
792
793	set w [winfo width $itk_component(view)]
794	set h [winfo height $itk_component(view)]
795	EventuallyResize $w $h
796	}
797	return $result
798	}
799
800	#
801	# isconnected --
802	#
803	# Indicates if we are currently connected to the visualization server.
804	#
805	itcl::body Rappture::VtkGlyphViewer::isconnected {} {
806	return [VisViewer::IsConnected]
807	}
808
809	#
810	# disconnect --
811	#
812	itcl::body Rappture::VtkGlyphViewer::disconnect {} {
813	Disconnect
814	set _reset 1
815	}
816
817	#
818	# Disconnect --
819	#
820	# Clients use this method to disconnect from the current rendering
821	# server.
822	#
823	itcl::body Rappture::VtkGlyphViewer::Disconnect {} {
824	VisViewer::Disconnect
825
826	$_dispatcher cancel !rebuild
827	$_dispatcher cancel !resize
828	$_dispatcher cancel !rotate
829	$_dispatcher cancel !xcutplane
830	$_dispatcher cancel !ycutplane
831	$_dispatcher cancel !zcutplane
832	$_dispatcher cancel !legend
833	# disconnected -- no more data sitting on server
834	set _outbuf ""
835	array unset _datasets
836	array unset _data
837	array unset _colormaps
838	array unset _seeds
839	array unset _dataset2style
840	array unset _obj2datasets
841	}
842
843	# ----------------------------------------------------------------------
844	# USAGE: ReceiveImage -bytes <size> -type <type> -token <token>
845	#
846	# Invoked automatically whenever the "image" command comes in from
847	# the rendering server. Indicates that binary image data with the
848	# specified <size> will follow.
849	# ----------------------------------------------------------------------
850	itcl::body Rappture::VtkGlyphViewer::ReceiveImage { args } {
851	array set info {
852	-token "???"
853	-bytes 0
854	-type image
855	}
856	array set info $args
857	set bytes [ReceiveBytes $info(-bytes)]
858	if { $info(-type) == "image" } {
859	if 0 {
860	set f [open "last.ppm" "w"]
861	puts $f $bytes
862	close $f
863	}
864	$_image(plot) configure -data $bytes
865	set time [clock seconds]
866	set date [clock format $time]
867	#puts stderr "$date: received image [image width $_image(plot)]x[image height $_image(plot)] image>"
868	if { $_start > 0 } {
869	set finish [clock clicks -milliseconds]
870	#puts stderr "round trip time [expr $finish -$_start] milliseconds"
871	set _start 0
872	}
873	} elseif { $info(type) == "print" } {
874	set tag $this-print-$info(-token)
875	set _hardcopy($tag) $bytes
876	}
877	}
878
879	#
880	# ReceiveDataset --
881	#
882	itcl::body Rappture::VtkGlyphViewer::ReceiveDataset { args } {
883	if { ![isconnected] } {
884	return
885	}
886	set option [lindex $args 0]
887	switch -- $option {
888	"scalar" {
889	set option [lindex $args 1]
890	switch -- $option {
891	"world" {
892	foreach { x y z value tag } [lrange $args 2 end] break
893	}
894	"pixel" {
895	foreach { x y value tag } [lrange $args 2 end] break
896	}
897	}
898	}
899	"vector" {
900	set option [lindex $args 1]
901	switch -- $option {
902	"world" {
903	foreach { x y z vx vy vz tag } [lrange $args 2 end] break
904	}
905	"pixel" {
906	foreach { x y vx vy vz tag } [lrange $args 2 end] break
907	}
908	}
909	}
910	"names" {
911	foreach { name } [lindex $args 1] {
912	#puts stderr "Dataset: $name"
913	}
914	}
915	default {
916	error "unknown dataset option \"$option\" from server"
917	}
918	}
919	}
920
921	# ----------------------------------------------------------------------
922	# USAGE: Rebuild
923	#
924	# Called automatically whenever something changes that affects the
925	# data in the widget. Clears any existing data and rebuilds the
926	# widget to display new data.
927	# ----------------------------------------------------------------------
928	itcl::body Rappture::VtkGlyphViewer::Rebuild {} {
929	set w [winfo width $itk_component(view)]
930	set h [winfo height $itk_component(view)]
931	if { $w < 2 \|\| $h < 2 } {
932	$_dispatcher event -idle !rebuild
933	return
934	}
935
936	# Turn on buffering of commands to the server. We don't want to
937	# be preempted by a server disconnect/reconnect (which automatically
938	# generates a new call to Rebuild).
939	StartBufferingCommands
940
941	if { $_reset } {
942	set _width $w
943	set _height $h
944	$_arcball resize $w $h
945	DoResize
946	#
947	# Reset the camera and other view parameters
948	#
949	set q [list $_view(qw) $_view(qx) $_view(qy) $_view(qz)]
950	$_arcball quaternion $q
951	if {$_view(ortho)} {
952	SendCmd "camera mode ortho"
953	} else {
954	SendCmd "camera mode persp"
955	}
956	DoRotate
957	PanCamera
958	set _first ""
959	InitSettings -xgrid -ygrid -zgrid -axismode \
960	-axesvisible -axislabels -axisminorticks
961	#SendCmd "axis lformat all %g"
962	StopBufferingCommands
963	SendCmd "imgflush"
964	StartBufferingCommands
965	}
966	set _first ""
967	SendCmd "dataset visible 0"
968	foreach dataobj [get -objects] {
969	if { [info exists _obj2ovride($dataobj-raise)] && $_first == "" } {
970	set _first $dataobj
971	}
972	set _obj2datasets($dataobj) ""
973	foreach comp [$dataobj components] {
974	set tag $dataobj-$comp
975	if { ![info exists _datasets($tag)] } {
976	set bytes [$dataobj vtkdata $comp]
977	if 0 {
978	set f [open "/tmp/glyph.vtk" "w"]
979	puts $f $bytes
980	close $f
981	}
982	set length [string length $bytes]
983	if { $_reportClientInfo } {
984	set info {}
985	lappend info "tool_id" [$dataobj hints toolId]
986	lappend info "tool_name" [$dataobj hints toolName]
987	lappend info "tool_version" [$dataobj hints toolRevision]
988	lappend info "tool_title" [$dataobj hints toolTitle]
989	lappend info "dataset_label" [$dataobj hints label]
990	lappend info "dataset_size" $length
991	lappend info "dataset_tag" $tag
992	SendCmd "clientinfo [list $info]"
993	}
994	SendCmd "dataset add $tag data follows $length"
995	append _outbuf $bytes
996	set _datasets($tag) 1
997	SetObjectStyle $dataobj $comp
998	}
999	lappend _obj2datasets($dataobj) $tag
1000	if { [info exists _obj2ovride($dataobj-raise)] } {
1001	# Setting dataset visible enables outline
1002	# and glyphs
1003	SendCmd "dataset visible 1 $tag"
1004	}
1005	}
1006	}
1007
1008	if { $_first != "" } {
1009	$itk_component(field) choices delete 0 end
1010	$itk_component(fieldmenu) delete 0 end
1011	array unset _fields
1012	set _curFldName ""
1013	foreach cname [$_first components] {
1014	foreach fname [$_first fieldnames $cname] {
1015	if { [info exists _fields($fname)] } {
1016	continue
1017	}
1018	foreach { label units components } \
1019	[$_first fieldinfo $fname] break
1020	$itk_component(field) choices insert end "$fname" "$label"
1021	$itk_component(fieldmenu) add radiobutton -label "$label" \
1022	-value $label -variable [itcl::scope _curFldLabel] \
1023	-selectcolor red \
1024	-activebackground $itk_option(-plotbackground) \
1025	-activeforeground $itk_option(-plotforeground) \
1026	-font "Arial 8" \
1027	-command [itcl::code $this Combo invoke]
1028	set _fields($fname) [list $label $units $components]
1029	if { $_curFldName == "" } {
1030	set _curFldName $fname
1031	set _curFldLabel $label
1032	}
1033	}
1034	}
1035	$itk_component(field) value $_curFldLabel
1036	}
1037	InitSettings -glyphoutline
1038	#-cutplanevisible
1039	if { $_reset } {
1040	# These are settings that rely on a dataset being loaded.
1041	InitSettings \
1042	-glyphlighting \
1043	-field \
1044	-glyphedges -glyphlighting -glyphopacity \
1045	-glyphwireframe
1046
1047	#-cutplanexposition -cutplaneyposition -cutplanezposition \
1048	-cutplanexvisible -cutplaneyvisible -cutplanezvisible \
1049	-cutplanepreinterp
1050
1051	Zoom reset
1052	foreach axis { x y z } {
1053	# Another problem fixed by a <view>. We looking into a data
1054	# object for the name of the axes. This should be global to
1055	# the viewer itself.
1056	set label [$_first hints ${axis}label]
1057	if { $label == "" } {
1058	set label [string toupper $axis]
1059	}
1060	# May be a space in the axis label.
1061	SendCmd [list axis name $axis $label]
1062	}
1063	if { [array size _fields] < 2 } {
1064	catch {blt::table forget $itk_component(field) $itk_component(field_l)}
1065	}
1066	set _reset 0
1067	}
1068
1069	# Actually write the commands to the server socket. If it fails, we don't
1070	# care. We're finished here.
1071	blt::busy hold $itk_component(hull)
1072	StopBufferingCommands; # Turn off buffering and send commands.
1073	blt::busy release $itk_component(hull)
1074	}
1075
1076	# ----------------------------------------------------------------------
1077	# USAGE: CurrentDatasets ?-all -visible? ?dataobjs?
1078	#
1079	# Returns a list of server IDs for the current datasets being displayed. This
1080	# is normally a single ID, but it might be a list of IDs if the current data
1081	# object has multiple components.
1082	# ----------------------------------------------------------------------
1083	itcl::body Rappture::VtkGlyphViewer::CurrentDatasets {args} {
1084	set flag [lindex $args 0]
1085	switch -- $flag {
1086	"-all" {
1087	if { [llength $args] > 1 } {
1088	error "CurrentDatasets: can't specify dataobj after \"-all\""
1089	}
1090	set dlist [get -objects]
1091	}
1092	"-visible" {
1093	if { [llength $args] > 1 } {
1094	set dlist {}
1095	set args [lrange $args 1 end]
1096	foreach dataobj $args {
1097	if { [info exists _obj2ovride($dataobj-raise)] } {
1098	lappend dlist $dataobj
1099	}
1100	}
1101	} else {
1102	set dlist [get -visible]
1103	}
1104	}
1105	default {
1106	set dlist $args
1107	}
1108	}
1109	set rlist ""
1110	foreach dataobj $dlist {
1111	foreach comp [$dataobj components] {
1112	set tag $dataobj-$comp
1113	if { [info exists _datasets($tag)] && $_datasets($tag) } {
1114	lappend rlist $tag
1115	}
1116	}
1117	}
1118	return $rlist
1119	}
1120
1121	# ----------------------------------------------------------------------
1122	# USAGE: Zoom in
1123	# USAGE: Zoom out
1124	# USAGE: Zoom reset
1125	#
1126	# Called automatically when the user clicks on one of the zoom
1127	# controls for this widget. Changes the zoom for the current view.
1128	# ----------------------------------------------------------------------
1129	itcl::body Rappture::VtkGlyphViewer::Zoom {option} {
1130	switch -- $option {
1131	"in" {
1132	set _view(zoom) [expr {$_view(zoom)*1.25}]
1133	SendCmd "camera zoom $_view(zoom)"
1134	}
1135	"out" {
1136	set _view(zoom) [expr {$_view(zoom)*0.8}]
1137	SendCmd "camera zoom $_view(zoom)"
1138	}
1139	"reset" {
1140	array set _view {
1141	qw 0.853553
1142	qx -0.353553
1143	qy 0.353553
1144	qz 0.146447
1145	zoom 1.0
1146	xpan 0
1147	ypan 0
1148	}
1149	if { $_first != "" } {
1150	set location [$_first hints camera]
1151	if { $location != "" } {
1152	array set _view $location
1153	}
1154	}
1155	set q [list $_view(qw) $_view(qx) $_view(qy) $_view(qz)]
1156	$_arcball quaternion $q
1157	DoRotate
1158	SendCmd "camera reset"
1159	}
1160	}
1161	}
1162
1163	itcl::body Rappture::VtkGlyphViewer::PanCamera {} {
1164	set x $_view(xpan)
1165	set y $_view(ypan)
1166	SendCmd "camera pan $x $y"
1167	}
1168
1169	# ----------------------------------------------------------------------
1170	# USAGE: Rotate click <x> <y>
1171	# USAGE: Rotate drag <x> <y>
1172	# USAGE: Rotate release <x> <y>
1173	#
1174	# Called automatically when the user clicks/drags/releases in the
1175	# plot area. Moves the plot according to the user's actions.
1176	# ----------------------------------------------------------------------
1177	itcl::body Rappture::VtkGlyphViewer::Rotate {option x y} {
1178	switch -- $option {
1179	"click" {
1180	$itk_component(view) configure -cursor fleur
1181	set _click(x) $x
1182	set _click(y) $y
1183	}
1184	"drag" {
1185	if {[array size _click] == 0} {
1186	Rotate click $x $y
1187	} else {
1188	set w [winfo width $itk_component(view)]
1189	set h [winfo height $itk_component(view)]
1190	if {$w <= 0 \|\| $h <= 0} {
1191	return
1192	}
1193
1194	if {[catch {
1195	# this fails sometimes for no apparent reason
1196	set dx [expr {double($x-$_click(x))/$w}]
1197	set dy [expr {double($y-$_click(y))/$h}]
1198	}]} {
1199	return
1200	}
1201	if { $dx == 0 && $dy == 0 } {
1202	return
1203	}
1204	set q [$_arcball rotate $x $y $_click(x) $_click(y)]
1205	EventuallyRotate $q
1206	set _click(x) $x
1207	set _click(y) $y
1208	}
1209	}
1210	"release" {
1211	Rotate drag $x $y
1212	$itk_component(view) configure -cursor ""
1213	catch {unset _click}
1214	}
1215	default {
1216	error "bad option \"$option\": should be click, drag, release"
1217	}
1218	}
1219	}
1220
1221	itcl::body Rappture::VtkGlyphViewer::Pick {x y} {
1222	foreach tag [CurrentDatasets -visible] {
1223	SendCmdNoSplash "dataset getscalar pixel $x $y $tag"
1224	}
1225	}
1226
1227	# ----------------------------------------------------------------------
1228	# USAGE: $this Pan click x y
1229	# $this Pan drag x y
1230	# $this Pan release x y
1231	#
1232	# Called automatically when the user clicks on one of the zoom
1233	# controls for this widget. Changes the zoom for the current view.
1234	# ----------------------------------------------------------------------
1235	itcl::body Rappture::VtkGlyphViewer::Pan {option x y} {
1236	switch -- $option {
1237	"set" {
1238	set w [winfo width $itk_component(view)]
1239	set h [winfo height $itk_component(view)]
1240	set x [expr $x / double($w)]
1241	set y [expr $y / double($h)]
1242	set _view(xpan) [expr $_view(xpan) + $x]
1243	set _view(ypan) [expr $_view(ypan) + $y]
1244	PanCamera
1245	return
1246	}
1247	"click" {
1248	set _click(x) $x
1249	set _click(y) $y
1250	$itk_component(view) configure -cursor hand1
1251	}
1252	"drag" {
1253	if { ![info exists _click(x)] } {
1254	set _click(x) $x
1255	}
1256	if { ![info exists _click(y)] } {
1257	set _click(y) $y
1258	}
1259	set w [winfo width $itk_component(view)]
1260	set h [winfo height $itk_component(view)]
1261	set dx [expr ($_click(x) - $x)/double($w)]
1262	set dy [expr ($_click(y) - $y)/double($h)]
1263	set _click(x) $x
1264	set _click(y) $y
1265	set _view(xpan) [expr $_view(xpan) - $dx]
1266	set _view(ypan) [expr $_view(ypan) - $dy]
1267	PanCamera
1268	}
1269	"release" {
1270	Pan drag $x $y
1271	$itk_component(view) configure -cursor ""
1272	}
1273	default {
1274	error "unknown option \"$option\": should set, click, drag, or release"
1275	}
1276	}
1277	}
1278
1279	# ----------------------------------------------------------------------
1280	# USAGE: InitSettings <what> ?<value>?
1281	#
1282	# Used internally to update rendering settings whenever parameters
1283	# change in the popup settings panel. Sends the new settings off
1284	# to the back end.
1285	# ----------------------------------------------------------------------
1286	itcl::body Rappture::VtkGlyphViewer::InitSettings { args } {
1287	foreach spec $args {
1288	if { [info exists _settings($_first${spec})] } {
1289	# Reset global setting with dataobj specific setting
1290	set _settings($spec) $_settings($_first${spec})
1291	}
1292	AdjustSetting $spec
1293	}
1294	}
1295
1296	#
1297	# AdjustSetting --
1298	#
1299	# Changes/updates a specific setting in the widget. There are
1300	# usually user-setable option. Commands are sent to the render
1301	# server.
1302	#
1303	itcl::body Rappture::VtkGlyphViewer::AdjustSetting {what {value ""}} {
1304	if { ![isconnected] } {
1305	return
1306	}
1307	switch -- $what {
1308	"-background" {
1309	set bgcolor [$itk_component(background) value]
1310	array set fgcolors {
1311	"black" "white"
1312	"white" "black"
1313	"grey" "black"
1314	}
1315	configure -plotbackground $bgcolor \
1316	-plotforeground $fgcolors($bgcolor)
1317	$itk_component(view) delete "legend"
1318	DrawLegend
1319	}
1320	"-axesvisible" {
1321	set bool $_settings($what)
1322	SendCmd "axis visible all $bool"
1323	}
1324	"-axislabels" {
1325	set bool $_settings($what)
1326	SendCmd "axis labels all $bool"
1327	}
1328	"-axisminorticks" {
1329	set bool $_settings($what)
1330	SendCmd "axis minticks all $bool"
1331	}
1332	"-xgrid" - "-ygrid" - "-zgrid" {
1333	set axis [string tolower [string range $what 1 1]]
1334	set bool $_settings($what)
1335	SendCmd "axis grid $axis $bool"
1336	}
1337	"-axismode" {
1338	set mode [$itk_component(axisMode) value]
1339	set mode [$itk_component(axisMode) translate $mode]
1340	set _settings($what) $mode
1341	SendCmd "axis flymode $mode"
1342	}
1343	"-cutplaneedges" {
1344	set bool $_settings($what)
1345	SendCmd "cutplane edges $bool"
1346	}
1347	"-cutplanevisible" {
1348	set bool $_settings($what)
1349	SendCmd "cutplane visible 0"
1350	if { $bool } {
1351	foreach tag [CurrentDatasets -visible] {
1352	SendCmd "cutplane visible $bool $tag"
1353	}
1354	}
1355	}
1356	"-cutplanewireframe" {
1357	set bool $_settings($what)
1358	SendCmd "cutplane wireframe $bool"
1359	}
1360	"-cutplanelighting" {
1361	set bool $_settings($what)
1362	SendCmd "cutplane lighting $bool"
1363	}
1364	"-cutplaneopacity" {
1365	set val $_settings($what)
1366	set sval [expr { 0.01 * double($val) }]
1367	SendCmd "cutplane opacity $sval"
1368	}
1369	"-cutplanepreinterp" {
1370	set bool $_settings($what)
1371	SendCmd "cutplane preinterp $bool"
1372	}
1373	"-cutplanexvisible" - "-cutplaneyvisible" - "-cutplanezvisible" {
1374	set axis [string tolower [string range $what 9 9]]
1375	set bool $_settings($what)
1376	if { $bool } {
1377	$itk_component(${axis}position) configure -state normal \
1378	-troughcolor white
1379	} else {
1380	$itk_component(${axis}position) configure -state disabled \
1381	-troughcolor grey82
1382	}
1383	SendCmd "cutplane axis $axis $bool"
1384	}
1385	"-cutplanexposition" - "-cutplaneyposition" - "-cutplanezposition" {
1386	set axis [string tolower [string range $what 9 9]]
1387	set pos [expr $_settings($what) * 0.01]
1388	SendCmd "cutplane slice ${axis} ${pos}"
1389	set _cutplanePending 0
1390	}
1391	"-colormap" {
1392	set _changed($what) 1
1393	StartBufferingCommands
1394	set color [$itk_component(colormap) value]
1395	set _settings($what) $color
1396	if { $color == "none" } {
1397	if { $_settings(-colormapvisible) } {
1398	SendCmd "glyphs colormode constant {}"
1399	set _settings(-colormapvisible) 0
1400	}
1401	} else {
1402	if { !$_settings(-colormapvisible) } {
1403	SendCmd "glyphs colormode $_colorMode $_curFldName"
1404	set _settings(-colormapvisible) 1
1405	}
1406	SetCurrentColormap $color
1407	}
1408	StopBufferingCommands
1409	EventuallyRequestLegend
1410	}
1411	"-glyphwireframe" {
1412	set bool $_settings($what)
1413	SendCmd "glyphs wireframe $bool"
1414	}
1415	"-glyphvisible" {
1416	set bool $_settings($what)
1417	SendCmd "glyphs visible 0"
1418	if { $bool } {
1419	foreach tag [CurrentDatasets -visible] {
1420	SendCmd "glyphs visible $bool $tag"
1421	}
1422	}
1423	if { $bool } {
1424	Rappture::Tooltip::for $itk_component(glyphs) \
1425	"Hide the glyph"
1426	} else {
1427	Rappture::Tooltip::for $itk_component(glyphs) \
1428	"Show the glyph"
1429	}
1430	DrawLegend
1431	}
1432	"-glyphlighting" {
1433	set bool $_settings($what)
1434	SendCmd "glyphs lighting $bool"
1435	}
1436	"-glyphedges" {
1437	set bool $_settings($what)
1438	SendCmd "glyphs edges $bool"
1439	}
1440	"-glyphoutline" {
1441	set bool $_settings($what)
1442	SendCmd "outline visible 0"
1443	if { $bool } {
1444	foreach tag [CurrentDatasets -visible] {
1445	SendCmd "outline visible $bool $tag"
1446	}
1447	}
1448	}
1449	"-glyphopacity" {
1450	set val $_settings($what)
1451	set sval [expr { 0.01 * double($val) }]
1452	SendCmd "glyphs opacity $sval"
1453	}
1454	"-glyphnormscale" {
1455	set bool $_settings($what)
1456	SendCmd "glyphs normscale $bool"
1457	}
1458	"-glyphorient" {
1459	set bool $_settings($what)
1460	SendCmd "glyphs gorient $bool {}"
1461	}
1462	"-glyphscale" {
1463	set val $_settings($what)
1464	if { [string is double $val] } {
1465	SendCmd "glyphs gscale $val"
1466	}
1467	}
1468	"-glyphscalemode" {
1469	set label [$itk_component(scaleMode) value]
1470	set mode [$itk_component(scaleMode) translate $label]
1471	set _settings($what) $mode
1472	SendCmd "glyphs smode $mode {}"
1473	}
1474	"-glyphshape" {
1475	set label [$itk_component(gshape) value]
1476	set shape [$itk_component(gshape) translate $label]
1477	set _settings($what) $shape
1478	SendCmd "glyphs shape $shape"
1479	}
1480	"-field" {
1481	set label [$itk_component(field) value]
1482	set fname [$itk_component(field) translate $label]
1483	set _settings($what) $fname
1484	if { [info exists _fields($fname)] } {
1485	foreach { label units components } $_fields($fname) break
1486	if { $components > 1 } {
1487	set _colorMode vmag
1488	} else {
1489	set _colorMode scalar
1490	}
1491	set _curFldName $fname
1492	set _curFldLabel $label
1493	} else {
1494	puts stderr "unknown field \"$fname\""
1495	return
1496	}
1497	#if { ![info exists _limits($_curFldName)] } {
1498	# SendCmd "dataset maprange all"
1499	#} else {
1500	# SendCmd "dataset maprange explicit $_limits($_curFldName) $_curFldName"
1501	#}
1502	#SendCmd "cutplane colormode $_colorMode $_curFldName"
1503	SendCmd "glyphs colormode $_colorMode $_curFldName"
1504	DrawLegend
1505	}
1506	"-legendvisible" {
1507	if { !$_settings($what) } {
1508	$itk_component(view) delete legend
1509	}
1510	DrawLegend
1511	}
1512	default {
1513	error "don't know how to fix $what"
1514	}
1515	}
1516	}
1517
1518	#
1519	# RequestLegend --
1520	#
1521	# Request a new legend from the server. The size of the legend
1522	# is determined from the height of the canvas.
1523	#
1524	# This should be called when
1525	# 1. A new current colormap is set.
1526	# 2. Window is resized.
1527	# 3. The limits of the data have changed. (Just need a redraw).
1528	# 4. Number of glyph have changed. (Just need a redraw).
1529	# 5. Legend becomes visible (Just need a redraw).
1530	#
1531	itcl::body Rappture::VtkGlyphViewer::RequestLegend {} {
1532	set _legendPending 0
1533	set font "Arial 8"
1534	set w 12
1535	set lineht [font metrics $font -linespace]
1536	# color ramp height = (canvas height) - (min and max value lines) - 2
1537	set h [expr {$_height - 2 * ($lineht + 2)}]
1538
1539	set fname $_curFldName
1540	if { [string match "component*" $fname] } {
1541	set title ""
1542	} else {
1543	if { [info exists _fields($fname)] } {
1544	foreach { title units } $_fields($fname) break
1545	if { $units != "" } {
1546	set title [format "%s (%s)" $title $units]
1547	}
1548	} else {
1549	set title $fname
1550	}
1551	}
1552	# If there's a title too, substract one more line
1553	if { $title != "" } {
1554	incr h -$lineht
1555	}
1556	if { $h < 1 } {
1557	return
1558	}
1559	# Set the legend on the first heightmap dataset.
1560	if { $_currentColormap != "" } {
1561	set cmap $_currentColormap
1562	SendCmdNoWait "legend $cmap $_colorMode $_curFldName {} $w $h 0"
1563	}
1564	}
1565
1566	# ----------------------------------------------------------------------
1567	# CONFIGURATION OPTION: -plotbackground
1568	# ----------------------------------------------------------------------
1569	itcl::configbody Rappture::VtkGlyphViewer::plotbackground {
1570	if { [isconnected] } {
1571	set rgb [Color2RGB $itk_option(-plotbackground)]
1572	SendCmd "screen bgcolor $rgb"
1573	}
1574	}
1575
1576	# ----------------------------------------------------------------------
1577	# CONFIGURATION OPTION: -plotforeground
1578	# ----------------------------------------------------------------------
1579	itcl::configbody Rappture::VtkGlyphViewer::plotforeground {
1580	if { [isconnected] } {
1581	set rgb [Color2RGB $itk_option(-plotforeground)]
1582	SendCmd "axis color all $rgb"
1583	SendCmd "outline color $rgb"
1584	#SendCmd "cutplane color $rgb"
1585	}
1586	}
1587
1588	itcl::body Rappture::VtkGlyphViewer::BuildGlyphTab {} {
1589
1590	set fg [option get $itk_component(hull) font Font]
1591	#set bfg [option get $itk_component(hull) boldFont Font]
1592
1593	set inner [$itk_component(main) insert end \
1594	-title "Glyph Settings" \
1595	-icon [Rappture::icon volume-on]]
1596	$inner configure -borderwidth 4
1597
1598	checkbutton $inner.glyphs \
1599	-text "Glyphs" \
1600	-variable [itcl::scope _settings(-glyphvisible)] \
1601	-command [itcl::code $this AdjustSetting -glyphvisible] \
1602	-font "Arial 9"
1603
1604	label $inner.gshape_l -text "Glyph shape" -font "Arial 9"
1605	itk_component add gshape {
1606	Rappture::Combobox $inner.gshape -width 10 -editable no
1607	}
1608	$inner.gshape choices insert end \
1609	"arrow" "arrow" \
1610	"cone" "cone" \
1611	"cube" "cube" \
1612	"cylinder" "cylinder" \
1613	"dodecahedron" "dodecahedron" \
1614	"icosahedron" "icosahedron" \
1615	"line" "line" \
1616	"octahedron" "octahedron" \
1617	"point" "point" \
1618	"sphere" "sphere" \
1619	"tetrahedron" "tetrahedron"
1620
1621	$itk_component(gshape) value $_settings(-glyphshape)
1622	bind $inner.gshape <<Value>> [itcl::code $this AdjustSetting -glyphshape]
1623
1624	label $inner.scaleMode_l -text "Scale by" -font "Arial 9"
1625	itk_component add scaleMode {
1626	Rappture::Combobox $inner.scaleMode -width 10 -editable no
1627	}
1628	$inner.scaleMode choices insert end \
1629	"scalar" "Scalar" \
1630	"vmag" "Vector magnitude" \
1631	"vcomp" "Vector components" \
1632	"off" "Constant size"
1633
1634	$itk_component(scaleMode) value "[$itk_component(scaleMode) label $_settings(-glyphscalemode)]"
1635	bind $inner.scaleMode <<Value>> [itcl::code $this AdjustSetting -glyphscalemode]
1636
1637	checkbutton $inner.normscale \
1638	-text "Normalize scaling" \
1639	-variable [itcl::scope _settings(-glyphnormscale)] \
1640	-command [itcl::code $this AdjustSetting -glyphnormscale] \
1641	-font "Arial 9"
1642	Rappture::Tooltip::for $inner.normscale "If enabled, field values are normalized to \[0,1\] before scaling and scale factor is relative to a default size"
1643
1644	checkbutton $inner.gorient \
1645	-text "Orient" \
1646	-variable [itcl::scope _settings(-glyphorient)] \
1647	-command [itcl::code $this AdjustSetting -glyphorient] \
1648	-font "Arial 9"
1649	Rappture::Tooltip::for $inner.gorient "Orient glyphs by vector field directions"
1650
1651	checkbutton $inner.wireframe \
1652	-text "Wireframe" \
1653	-variable [itcl::scope _settings(-glyphwireframe)] \
1654	-command [itcl::code $this AdjustSetting -glyphwireframe] \
1655	-font "Arial 9"
1656
1657	checkbutton $inner.lighting \
1658	-text "Enable Lighting" \
1659	-variable [itcl::scope _settings(-glyphlighting)] \
1660	-command [itcl::code $this AdjustSetting -glyphlighting] \
1661	-font "Arial 9"
1662
1663	checkbutton $inner.edges \
1664	-text "Edges" \
1665	-variable [itcl::scope _settings(-glyphedges)] \
1666	-command [itcl::code $this AdjustSetting -glyphedges] \
1667	-font "Arial 9"
1668
1669	checkbutton $inner.outline \
1670	-text "Outline" \
1671	-variable [itcl::scope _settings(-glyphoutline)] \
1672	-command [itcl::code $this AdjustSetting -glyphoutline] \
1673	-font "Arial 9"
1674
1675	checkbutton $inner.legend \
1676	-text "Legend" \
1677	-variable [itcl::scope _settings(-legendvisible)] \
1678	-command [itcl::code $this AdjustSetting -legendvisible] \
1679	-font "Arial 9"
1680
1681	label $inner.background_l -text "Background" -font "Arial 9"
1682	itk_component add background {
1683	Rappture::Combobox $inner.background -width 10 -editable no
1684	}
1685	$inner.background choices insert end \
1686	"black" "black" \
1687	"white" "white" \
1688	"grey" "grey"
1689
1690	$itk_component(background) value $_settings(-background)
1691	bind $inner.background <<Value>> [itcl::code $this AdjustSetting -background]
1692
1693	label $inner.opacity_l -text "Opacity" -font "Arial 9"
1694	::scale $inner.opacity -from 0 -to 100 -orient horizontal \
1695	-variable [itcl::scope _settings(-glyphopacity)] \
1696	-width 10 \
1697	-showvalue off \
1698	-command [itcl::code $this AdjustSetting -glyphopacity]
1699
1700	label $inner.gscale_l -text "Scale factor" -font "Arial 9"
1701	if {0} {
1702	::scale $inner.gscale -from 1 -to 100 -orient horizontal \
1703	-variable [itcl::scope _settings(-glyphscale)] \
1704	-width 10 \
1705	-showvalue off \
1706	-command [itcl::code $this AdjustSetting -glyphscale]
1707	} else {
1708	itk_component add gscale {
1709	entry $inner.gscale -font "Arial 9" -bg white \
1710	-textvariable [itcl::scope _settings(-glyphscale)]
1711	} {
1712	ignore -font -background
1713	}
1714	bind $inner.gscale <Return> \
1715	[itcl::code $this AdjustSetting -glyphscale]
1716	bind $inner.gscale <KP_Enter> \
1717	[itcl::code $this AdjustSetting -glyphscale]
1718	}
1719	Rappture::Tooltip::for $inner.gscale "Set scaling multiplier (or constant size)"
1720
1721	itk_component add field_l {
1722	label $inner.field_l -text "Color By" -font "Arial 9"
1723	} {
1724	ignore -font
1725	}
1726	itk_component add field {
1727	Rappture::Combobox $inner.field -width 10 -editable no
1728	}
1729	bind $inner.field <<Value>> \
1730	[itcl::code $this AdjustSetting -field]
1731
1732	label $inner.colormap_l -text "Colormap" -font "Arial 9"
1733	itk_component add colormap {
1734	Rappture::Combobox $inner.colormap -width 10 -editable no
1735	}
1736	$inner.colormap choices insert end [GetColormapList -includeNone]
1737	$itk_component(colormap) value "BCGYR"
1738	bind $inner.colormap <<Value>> \
1739	[itcl::code $this AdjustSetting -colormap]
1740
1741	blt::table $inner \
1742	0,0 $inner.field_l -anchor w -pady 2 \
1743	0,1 $inner.field -anchor w -pady 2 -fill x \
1744	1,0 $inner.colormap_l -anchor w -pady 2 \
1745	1,1 $inner.colormap -anchor w -pady 2 -fill x \
1746	2,0 $inner.gshape_l -anchor w -pady 2 \
1747	2,1 $inner.gshape -anchor w -pady 2 -fill x \
1748	3,0 $inner.background_l -anchor w -pady 2 \
1749	3,1 $inner.background -anchor w -pady 2 -fill x \
1750	4,0 $inner.scaleMode_l -anchor w -pady 2 \
1751	4,1 $inner.scaleMode -anchor w -pady 2 -fill x \
1752	5,0 $inner.gscale_l -anchor w -pady 2 \
1753	5,1 $inner.gscale -anchor w -pady 2 -fill x \
1754	6,0 $inner.normscale -anchor w -pady 2 -cspan 2 \
1755	7,0 $inner.gorient -anchor w -pady 2 -cspan 2 \
1756	8,0 $inner.wireframe -anchor w -pady 2 -cspan 2 \
1757	9,0 $inner.lighting -anchor w -pady 2 -cspan 2 \
1758	10,0 $inner.edges -anchor w -pady 2 -cspan 2 \
1759	11,0 $inner.outline -anchor w -pady 2 -cspan 2 \
1760	12,0 $inner.legend -anchor w -pady 2 \
1761	13,0 $inner.opacity_l -anchor w -pady 2 \
1762	13,1 $inner.opacity -fill x -pady 2 -fill x \
1763
1764	blt::table configure $inner r* c* -resize none
1765	blt::table configure $inner r14 c1 -resize expand
1766	}
1767
1768	itcl::body Rappture::VtkGlyphViewer::BuildAxisTab {} {
1769
1770	set fg [option get $itk_component(hull) font Font]
1771	#set bfg [option get $itk_component(hull) boldFont Font]
1772
1773	set inner [$itk_component(main) insert end \
1774	-title "Axis Settings" \
1775	-icon [Rappture::icon axis2]]
1776	$inner configure -borderwidth 4
1777
1778	checkbutton $inner.visible \
1779	-text "Axes" \
1780	-variable [itcl::scope _settings(-axesvisible)] \
1781	-command [itcl::code $this AdjustSetting -axesvisible] \
1782	-font "Arial 9"
1783
1784	checkbutton $inner.labels \
1785	-text "Axis Labels" \
1786	-variable [itcl::scope _settings(-axislabels)] \
1787	-command [itcl::code $this AdjustSetting -axislabels] \
1788	-font "Arial 9"
1789	label $inner.grid_l -text "Grid" -font "Arial 9"
1790	checkbutton $inner.xgrid \
1791	-text "X" \
1792	-variable [itcl::scope _settings(-xgrid)] \
1793	-command [itcl::code $this AdjustSetting -xgrid] \
1794	-font "Arial 9"
1795	checkbutton $inner.ygrid \
1796	-text "Y" \
1797	-variable [itcl::scope _settings(-ygrid)] \
1798	-command [itcl::code $this AdjustSetting -ygrid] \
1799	-font "Arial 9"
1800	checkbutton $inner.zgrid \
1801	-text "Z" \
1802	-variable [itcl::scope _settings(-zgrid)] \
1803	-command [itcl::code $this AdjustSetting -zgrid] \
1804	-font "Arial 9"
1805	checkbutton $inner.minorticks \
1806	-text "Minor Ticks" \
1807	-variable [itcl::scope _settings(-axisminorticks)] \
1808	-command [itcl::code $this AdjustSetting -axisminorticks] \
1809	-font "Arial 9"
1810
1811	label $inner.mode_l -text "Mode" -font "Arial 9"
1812
1813	itk_component add axisMode {
1814	Rappture::Combobox $inner.mode -width 10 -editable no
1815	}
1816	$inner.mode choices insert end \
1817	"static_triad" "static" \
1818	"closest_triad" "closest" \
1819	"furthest_triad" "farthest" \
1820	"outer_edges" "outer"
1821	$itk_component(axisMode) value $_settings(-axismode)
1822	bind $inner.mode <<Value>> [itcl::code $this AdjustSetting -axismode]
1823
1824	blt::table $inner \
1825	0,0 $inner.visible -anchor w -cspan 4 \
1826	1,0 $inner.labels -anchor w -cspan 4 \
1827	2,0 $inner.minorticks -anchor w -cspan 4 \
1828	4,0 $inner.grid_l -anchor w \
1829	4,1 $inner.xgrid -anchor w \
1830	4,2 $inner.ygrid -anchor w \
1831	4,3 $inner.zgrid -anchor w \
1832	5,0 $inner.mode_l -anchor w -padx { 2 0 } \
1833	5,1 $inner.mode -fill x -cspan 3
1834
1835	blt::table configure $inner r* c* -resize none
1836	blt::table configure $inner r7 c6 -resize expand
1837	blt::table configure $inner r3 -height 0.125i
1838	}
1839
1840	itcl::body Rappture::VtkGlyphViewer::BuildCameraTab {} {
1841	set inner [$itk_component(main) insert end \
1842	-title "Camera Settings" \
1843	-icon [Rappture::icon camera]]
1844	$inner configure -borderwidth 4
1845
1846	label $inner.view_l -text "view" -font "Arial 9"
1847	set f [frame $inner.view]
1848	foreach side { front back left right top bottom } {
1849	button $f.$side -image [Rappture::icon view$side] \
1850	-command [itcl::code $this SetOrientation $side]
1851	Rappture::Tooltip::for $f.$side "Change the view to $side"
1852	pack $f.$side -side left
1853	}
1854
1855	blt::table $inner \
1856	0,0 $inner.view_l -anchor e -pady 2 \
1857	0,1 $inner.view -anchor w -pady 2
1858
1859	set labels { qx qy qz qw xpan ypan zoom }
1860	set row 1
1861	foreach tag $labels {
1862	label $inner.${tag}label -text $tag -font "Arial 9"
1863	entry $inner.${tag} -font "Arial 9" -bg white \
1864	-textvariable [itcl::scope _view($tag)]
1865	bind $inner.${tag} <KeyPress-Return> \
1866	[itcl::code $this camera set ${tag}]
1867	blt::table $inner \
1868	$row,0 $inner.${tag}label -anchor e -pady 2 \
1869	$row,1 $inner.${tag} -anchor w -pady 2
1870	blt::table configure $inner r$row -resize none
1871	incr row
1872	}
1873	checkbutton $inner.ortho \
1874	-text "Orthographic Projection" \
1875	-variable [itcl::scope _view(ortho)] \
1876	-command [itcl::code $this camera set ortho] \
1877	-font "Arial 9"
1878	blt::table $inner \
1879	$row,0 $inner.ortho -cspan 2 -anchor w -pady 2
1880	blt::table configure $inner r$row -resize none
1881	incr row
1882
1883	blt::table configure $inner c* r* -resize none
1884	blt::table configure $inner c2 -resize expand
1885	blt::table configure $inner r$row -resize expand
1886	}
1887
1888	itcl::body Rappture::VtkGlyphViewer::BuildCutplaneTab {} {
1889
1890	set fg [option get $itk_component(hull) font Font]
1891
1892	set inner [$itk_component(main) insert end \
1893	-title "Cutplane Settings" \
1894	-icon [Rappture::icon cutbutton]]
1895
1896	$inner configure -borderwidth 4
1897
1898	checkbutton $inner.visible \
1899	-text "Cutplanes" \
1900	-variable [itcl::scope _settings(-cutplanevisible)] \
1901	-command [itcl::code $this AdjustSetting -cutplanevisible] \
1902	-font "Arial 9"
1903
1904	checkbutton $inner.wireframe \
1905	-text "Wireframe" \
1906	-variable [itcl::scope _settings(-cutplanewireframe)] \
1907	-command [itcl::code $this AdjustSetting -cutplanewireframe] \
1908	-font "Arial 9"
1909
1910	checkbutton $inner.lighting \
1911	-text "Enable Lighting" \
1912	-variable [itcl::scope _settings(-cutplanelighting)] \
1913	-command [itcl::code $this AdjustSetting -cutplanelighting] \
1914	-font "Arial 9"
1915
1916	checkbutton $inner.edges \
1917	-text "Edges" \
1918	-variable [itcl::scope _settings(-cutplaneedges)] \
1919	-command [itcl::code $this AdjustSetting -cutplaneedges] \
1920	-font "Arial 9"
1921
1922	checkbutton $inner.preinterp \
1923	-text "Interpolate Scalars" \
1924	-variable [itcl::scope _settings(-cutplanepreinterp)] \
1925	-command [itcl::code $this AdjustSetting -cutplanepreinterp] \
1926	-font "Arial 9"
1927
1928	label $inner.opacity_l -text "Opacity" -font "Arial 9"
1929	::scale $inner.opacity -from 0 -to 100 -orient horizontal \
1930	-variable [itcl::scope _settings(-cutplaneopacity)] \
1931	-width 10 \
1932	-showvalue off \
1933	-command [itcl::code $this AdjustSetting -cutplaneopacity]
1934	$inner.opacity set $_settings(-cutplaneopacity)
1935
1936	# X-value slicer...
1937	itk_component add xbutton {
1938	Rappture::PushButton $inner.xbutton \
1939	-onimage [Rappture::icon x-cutplane-red] \
1940	-offimage [Rappture::icon x-cutplane-red] \
1941	-command [itcl::code $this AdjustSetting -cutplanexvisible] \
1942	-variable [itcl::scope _settings(-cutplanexvisible)] \
1943	}
1944	Rappture::Tooltip::for $itk_component(xbutton) \
1945	"Toggle the X-axis cutplane on/off"
1946	$itk_component(xbutton) select
1947	itk_component add xposition {
1948	::scale $inner.xval -from 100 -to 0 \
1949	-width 10 -orient vertical -showvalue yes \
1950	-borderwidth 1 -highlightthickness 0 \
1951	-command [itcl::code $this EventuallySetCutplane x] \
1952	-variable [itcl::scope _settings(-cutplanexposition)] \
1953	-foreground red2 -font "Arial 9 bold"
1954	} {
1955	usual
1956	ignore -borderwidth -highlightthickness -foreground -font -background
1957	}
1958	# Set the default cutplane value before disabling the scale.
1959	$itk_component(xposition) set 50
1960	$itk_component(xposition) configure -state disabled
1961	Rappture::Tooltip::for $itk_component(xposition) \
1962	"@[itcl::code $this Slice tooltip x]"
1963
1964	# Y-value slicer...
1965	itk_component add ybutton {
1966	Rappture::PushButton $inner.ybutton \
1967	-onimage [Rappture::icon y-cutplane-green] \
1968	-offimage [Rappture::icon y-cutplane-green] \
1969	-command [itcl::code $this AdjustSetting -cutplaneyvisible] \
1970	-variable [itcl::scope _settings(-cutplaneyvisible)] \
1971	}
1972	Rappture::Tooltip::for $itk_component(ybutton) \
1973	"Toggle the Y-axis cutplane on/off"
1974	$itk_component(ybutton) select
1975
1976	itk_component add yposition {
1977	::scale $inner.yval -from 100 -to 0 \
1978	-width 10 -orient vertical -showvalue yes \
1979	-borderwidth 1 -highlightthickness 0 \
1980	-command [itcl::code $this EventuallySetCutplane y] \
1981	-variable [itcl::scope _settings(-cutplaneyposition)] \
1982	-foreground green3 -font "Arial 9 bold"
1983	} {
1984	usual
1985	ignore -borderwidth -highlightthickness -foreground -font
1986	}
1987	Rappture::Tooltip::for $itk_component(yposition) \
1988	"@[itcl::code $this Slice tooltip y]"
1989	# Set the default cutplane value before disabling the scale.
1990	$itk_component(yposition) set 50
1991	$itk_component(yposition) configure -state disabled
1992
1993	# Z-value slicer...
1994	itk_component add zbutton {
1995	Rappture::PushButton $inner.zbutton \
1996	-onimage [Rappture::icon z-cutplane-blue] \
1997	-offimage [Rappture::icon z-cutplane-blue] \
1998	-command [itcl::code $this AdjustSetting -cutplanezvisible] \
1999	-variable [itcl::scope _settings(-cutplanezvisible)] \
2000	} {
2001	usual
2002	ignore -foreground
2003	}
2004	Rappture::Tooltip::for $itk_component(zbutton) \
2005	"Toggle the Z-axis cutplane on/off"
2006	$itk_component(zbutton) select
2007
2008	itk_component add zposition {
2009	::scale $inner.zval -from 100 -to 0 \
2010	-width 10 -orient vertical -showvalue yes \
2011	-borderwidth 1 -highlightthickness 0 \
2012	-command [itcl::code $this EventuallySetCutplane z] \
2013	-variable [itcl::scope _settings(-cutplanezposition)] \
2014	-foreground blue3 -font "Arial 9 bold"
2015	} {
2016	usual
2017	ignore -borderwidth -highlightthickness -foreground -font
2018	}
2019	$itk_component(zposition) set 50
2020	$itk_component(zposition) configure -state disabled
2021	Rappture::Tooltip::for $itk_component(zposition) \
2022	"@[itcl::code $this Slice tooltip z]"
2023
2024	blt::table $inner \
2025	0,0 $inner.visible -anchor w -pady 2 -cspan 3 \
2026	1,0 $inner.lighting -anchor w -pady 2 -cspan 3 \
2027	2,0 $inner.wireframe -anchor w -pady 2 -cspan 3 \
2028	3,0 $inner.edges -anchor w -pady 2 -cspan 3 \
2029	4,0 $inner.preinterp -anchor w -pady 2 -cspan 3 \
2030	5,0 $inner.opacity_l -anchor w -pady 2 -cspan 1 \
2031	5,1 $inner.opacity -fill x -pady 2 -cspan 3 \
2032	6,0 $inner.xbutton -anchor w -padx 2 -pady 2 \
2033	7,0 $inner.ybutton -anchor w -padx 2 -pady 2 \
2034	8,0 $inner.zbutton -anchor w -padx 2 -pady 2 \
2035	6,1 $inner.xval -fill y -rspan 4 \
2036	6,2 $inner.yval -fill y -rspan 4 \
2037	6,3 $inner.zval -fill y -rspan 4 \
2038
2039	blt::table configure $inner r* c* -resize none
2040	blt::table configure $inner r9 c4 -resize expand
2041	}
2042
2043	#
2044	# camera --
2045	#
2046	itcl::body Rappture::VtkGlyphViewer::camera {option args} {
2047	switch -- $option {
2048	"show" {
2049	puts [array get _view]
2050	}
2051	"set" {
2052	set who [lindex $args 0]
2053	set x $_view($who)
2054	set code [catch { string is double $x } result]
2055	if { $code != 0 \|\| !$result } {
2056	return
2057	}
2058	switch -- $who {
2059	"ortho" {
2060	if {$_view(ortho)} {
2061	SendCmd "camera mode ortho"
2062	} else {
2063	SendCmd "camera mode persp"
2064	}
2065	}
2066	"xpan" - "ypan" {
2067	PanCamera
2068	}
2069	"qx" - "qy" - "qz" - "qw" {
2070	set q [list $_view(qw) $_view(qx) $_view(qy) $_view(qz)]
2071	$_arcball quaternion $q
2072	EventuallyRotate $q
2073	}
2074	"zoom" {
2075	SendCmd "camera zoom $_view(zoom)"
2076	}
2077	}
2078	}
2079	}
2080	}
2081
2082	itcl::body Rappture::VtkGlyphViewer::GetVtkData { args } {
2083	set bytes ""
2084	foreach dataobj [get] {
2085	foreach cname [$dataobj components] {
2086	set tag $dataobj-$cname
2087	set contents [$dataobj vtkdata $cname]
2088	append bytes "$contents\n"
2089	}
2090	}
2091	return [list .vtk $bytes]
2092	}
2093
2094	itcl::body Rappture::VtkGlyphViewer::GetImage { args } {
2095	if { [image width $_image(download)] > 0 &&
2096	[image height $_image(download)] > 0 } {
2097	set bytes [$_image(download) data -format "jpeg -quality 100"]
2098	set bytes [Rappture::encoding::decode -as b64 $bytes]
2099	return [list .jpg $bytes]
2100	}
2101	return ""
2102	}
2103
2104	itcl::body Rappture::VtkGlyphViewer::BuildDownloadPopup { popup command } {
2105	Rappture::Balloon $popup \
2106	-title "[Rappture::filexfer::label downloadWord] as..."
2107	set inner [$popup component inner]
2108	label $inner.summary -text "" -anchor w
2109	radiobutton $inner.vtk_button -text "VTK data file" \
2110	-variable [itcl::scope _downloadPopup(format)] \
2111	-font "Arial 9 " \
2112	-value vtk
2113	Rappture::Tooltip::for $inner.vtk_button "Save as VTK data file."
2114	radiobutton $inner.image_button -text "Image File" \
2115	-variable [itcl::scope _downloadPopup(format)] \
2116	-font "Arial 9 " \
2117	-value image
2118	Rappture::Tooltip::for $inner.image_button \
2119	"Save as digital image."
2120
2121	button $inner.ok -text "Save" \
2122	-highlightthickness 0 -pady 2 -padx 3 \
2123	-command $command \
2124	-compound left \
2125	-image [Rappture::icon download]
2126
2127	button $inner.cancel -text "Cancel" \
2128	-highlightthickness 0 -pady 2 -padx 3 \
2129	-command [list $popup deactivate] \
2130	-compound left \
2131	-image [Rappture::icon cancel]
2132
2133	blt::table $inner \
2134	0,0 $inner.summary -cspan 2 \
2135	1,0 $inner.vtk_button -anchor w -cspan 2 -padx { 4 0 } \
2136	2,0 $inner.image_button -anchor w -cspan 2 -padx { 4 0 } \
2137	4,1 $inner.cancel -width .9i -fill y \
2138	4,0 $inner.ok -padx 2 -width .9i -fill y
2139	blt::table configure $inner r3 -height 4
2140	blt::table configure $inner r4 -pady 4
2141	raise $inner.image_button
2142	$inner.vtk_button invoke
2143	return $inner
2144	}
2145
2146	itcl::body Rappture::VtkGlyphViewer::SetObjectStyle { dataobj comp } {
2147	# Parse style string.
2148	set tag $dataobj-$comp
2149	array set style {
2150	-color white
2151	-colormap BCGYR
2152	-colorMode vmag
2153	-edgecolor black
2154	-edges 0
2155	-gscale 1
2156	-lighting 1
2157	-linewidth 1.0
2158	-normscale 1
2159	-opacity 1.0
2160	-orientGlyphs 1
2161	-outline 0
2162	-ptsize 1.0
2163	-quality 1
2164	-scaleMode vmag
2165	-shape arrow
2166	-wireframe 0
2167	}
2168	set $style(-color) $itk_option(-plotforeground)
2169	set numComponents [$dataobj numComponents $comp]
2170	if {$numComponents == 3} {
2171	set style(-shape) "arrow"
2172	set style(-orientGlyphs) 1
2173	set style(-scaleMode) "vmag"
2174	set style(-colorMode) "vmag"
2175	} else {
2176	set style(-shape) "sphere"
2177	set style(-orientGlyphs) 0
2178	set style(-scaleMode) "scalar"
2179	set style(-colorMode) "scalar"
2180	}
2181	array set style [$dataobj style $comp]
2182	if { $dataobj != $_first } {
2183	set style(-opacity) 1
2184	}
2185	if 0 {
2186	SendCmd "cutplane add $tag"
2187	SendCmd "cutplane visible 0 $tag"
2188	}
2189	# This is too complicated. We want to set the colormap, number of
2190	# glyph and opacity for the dataset. They can be the default values,
2191	# the style hints loaded with the dataset, or set by user controls. As
2192	# datasets get loaded, they first use the defaults that are overidden
2193	# by the style hints. If the user changes the global controls, then that
2194	# overrides everything else. I don't know what it means when global
2195	# controls are specified as style hints by each dataset. It complicates
2196	# the code to handle aberrant cases.
2197
2198	if { $_changed(-glyphopacity) } {
2199	set style(-opacity) [expr $_settings(-glyphopacity) * 0.01]
2200	}
2201	if { $_changed(-colormap) } {
2202	set style(-colormap) $_settings(-colormap)
2203	}
2204	if { $_currentColormap == "" } {
2205	$itk_component(colormap) value $style(-colormap)
2206	}
2207
2208	SendCmd "outline add $tag"
2209	SendCmd "outline color [Color2RGB $style(-color)] $tag"
2210	SendCmd "outline visible $style(-outline) $tag"
2211	set _settings(-glyphoutline) $style(-outline)
2212
2213	SendCmd "glyphs add $style(-shape) $tag"
2214	set _settings(-glyphshape) $style(-shape)
2215	$itk_component(gshape) value $style(-shape)
2216	SendCmd "glyphs edges $style(-edges) $tag"
2217	set _settings(-glyphedges) $style(-edges)
2218
2219	# normscale=1 and gscale=1 are defaults
2220	if {$style(-normscale) != 1} {
2221	SendCmd "glyphs normscale $style(-normscale) $tag"
2222	}
2223	if {$style(-gscale) != 1} {
2224	SendCmd "glyphs gscale $style(-gscale) $tag"
2225	}
2226	set _settings(-glyphnormscale) $style(-normscale)
2227	set _settings(-glyphscale) $style(-gscale)
2228
2229	if {$style(-colorMode) == "constant" \|\| $style(-colormap) == "none"} {
2230	SendCmd "glyphs colormode constant {} $tag"
2231	set _settings(-colormapvisible) 0
2232	set _settings(-colormap) "none"
2233	} else {
2234	SendCmd "glyphs colormode $style(-colorMode) $_curFldName $tag"
2235	set _settings(-colormapvisible) 1
2236	set _settings(-colormap) $style(-colormap)
2237	SetCurrentColormap $style(-colormap)
2238	}
2239	$itk_component(colormap) value $_settings(-colormap)
2240	set _colorMode $style(-colorMode)
2241	# constant color only used if colormode set to constant
2242	SendCmd "glyphs color [Color2RGB $style(-color)] $tag"
2243	# Omitting field name for gorient and smode commands
2244	# defaults to active scalars or vectors depending on mode
2245	SendCmd "glyphs gorient $style(-orientGlyphs) {} $tag"
2246	SendCmd "glyphs smode $style(-scaleMode) {} $tag"
2247	set _settings(-glyphscalemode) $style(-scaleMode)
2248	$itk_component(scaleMode) value "[$itk_component(scaleMode) label $style(-scaleMode)]"
2249	SendCmd "glyphs quality $style(-quality) $tag"
2250	SendCmd "glyphs lighting $style(-lighting) $tag"
2251	set _settings(-glyphlighting) $style(-lighting)
2252	SendCmd "glyphs linecolor [Color2RGB $style(-edgecolor)] $tag"
2253	SendCmd "glyphs linewidth $style(-linewidth) $tag"
2254	SendCmd "glyphs ptsize $style(-ptsize) $tag"
2255	SendCmd "glyphs opacity $style(-opacity) $tag"
2256	set _settings(-glyphopacity) [expr $style(-opacity) * 100.0]
2257	SendCmd "glyphs wireframe $style(-wireframe) $tag"
2258	set _settings(-glyphwireframe) $style(-wireframe)
2259	}
2260
2261	itcl::body Rappture::VtkGlyphViewer::IsValidObject { dataobj } {
2262	if {[catch {$dataobj isa Rappture::Field} valid] != 0 \|\| !$valid} {
2263	return 0
2264	}
2265	return 1
2266	}
2267
2268	#
2269	# EnterLegend --
2270	#
2271	itcl::body Rappture::VtkGlyphViewer::EnterLegend { x y } {
2272	SetLegendTip $x $y
2273	}
2274
2275	#
2276	# MotionLegend --
2277	#
2278	itcl::body Rappture::VtkGlyphViewer::MotionLegend { x y } {
2279	Rappture::Tooltip::tooltip cancel
2280	set c $itk_component(view)
2281	set cw [winfo width $c]
2282	set ch [winfo height $c]
2283	if { $x >= 0 && $x < $cw && $y >= 0 && $y < $ch } {
2284	SetLegendTip $x $y
2285	}
2286	}
2287
2288	#
2289	# LeaveLegend --
2290	#
2291	itcl::body Rappture::VtkGlyphViewer::LeaveLegend { } {
2292	Rappture::Tooltip::tooltip cancel
2293	.rappturetooltip configure -icon ""
2294	}
2295
2296	#
2297	# SetLegendTip --
2298	#
2299	itcl::body Rappture::VtkGlyphViewer::SetLegendTip { x y } {
2300	set fname $_curFldName
2301	set c $itk_component(view)
2302	set w [winfo width $c]
2303	set h [winfo height $c]
2304
2305	set font "Arial 8"
2306	set lineht [font metrics $font -linespace]
2307
2308	set ih [image height $_image(legend)]
2309	set iy [expr $y - ($lineht + 2)]
2310
2311	if { [string match "component*" $fname] } {
2312	set title ""
2313	} else {
2314	if { [info exists _fields($fname)] } {
2315	foreach { title units } $_fields($fname) break
2316	if { $units != "" } {
2317	set title [format "%s (%s)" $title $units]
2318	}
2319	} else {
2320	set title $fname
2321	}
2322	}
2323	# If there's a legend title, increase the offset by the line height.
2324	if { $title != "" } {
2325	incr iy -$lineht
2326	}
2327	# Make a swatch of the selected color
2328	if { [catch { $_image(legend) get 10 $iy } pixel] != 0 } {
2329	return
2330	}
2331	if { ![info exists _image(swatch)] } {
2332	set _image(swatch) [image create photo -width 24 -height 24]
2333	}
2334	set color [eval format "\#%02x%02x%02x" $pixel]
2335	$_image(swatch) put black -to 0 0 23 23
2336	$_image(swatch) put $color -to 1 1 22 22
2337	.rappturetooltip configure -icon $_image(swatch)
2338
2339	# Compute the value of the point
2340	if { [info exists _limits($_curFldName)] } {
2341	foreach { vmin vmax } $_limits($_curFldName) break
2342	set t [expr 1.0 - (double($iy) / double($ih-1))]
2343	set value [expr $t * ($vmax - $vmin) + $vmin]
2344	} else {
2345	set value 0.0
2346	}
2347	set tx [expr $x + 15]
2348	set ty [expr $y - 5]
2349	Rappture::Tooltip::text $c [format "$title %g" $value]
2350	Rappture::Tooltip::tooltip show $c +$tx,+$ty
2351	}
2352
2353	# ----------------------------------------------------------------------
2354	# USAGE: Slice move x\|y\|z <newval>
2355	#
2356	# Called automatically when the user drags the slider to move the
2357	# cut plane that slices 3D data. Gets the current value from the
2358	# slider and moves the cut plane to the appropriate point in the
2359	# data set.
2360	# ----------------------------------------------------------------------
2361	itcl::body Rappture::VtkGlyphViewer::Slice {option args} {
2362	switch -- $option {
2363	"move" {
2364	set axis [lindex $args 0]
2365	set newval [lindex $args 1]
2366	if {[llength $args] != 2} {
2367	error "wrong # args: should be \"Slice move x\|y\|z newval\""
2368	}
2369	set newpos [expr {0.01*$newval}]
2370	SendCmd "cutplane slice $axis $newpos"
2371	}
2372	"tooltip" {
2373	set axis [lindex $args 0]
2374	set val [$itk_component(${axis}position) get]
2375	return "Move the [string toupper $axis] cut plane.\nCurrently: $axis = $val%"
2376	}
2377	default {
2378	error "bad option \"$option\": should be axis, move, or tooltip"
2379	}
2380	}
2381	}
2382
2383	#
2384	# ReceiveLegend --
2385	#
2386	# Invoked automatically whenever the "legend" command comes in from
2387	# the rendering server. Indicates that binary image data with the
2388	# specified <size> will follow.
2389	#
2390	itcl::body Rappture::VtkGlyphViewer::ReceiveLegend { colormap title min max size } {
2391	#puts stderr "ReceiveLegend colormap=$colormap title=$title range=$min,$max size=$size"
2392	set _title $title
2393	regsub {\(mag\)} $title "" _title
2394	if { [IsConnected] } {
2395	set bytes [ReceiveBytes $size]
2396	if { ![info exists _image(legend)] } {
2397	set _image(legend) [image create photo]
2398	}
2399	$_image(legend) configure -data $bytes
2400	#puts stderr "read $size bytes for [image width $_image(legend)]x[image height $_image(legend)] legend>"
2401	if { [catch {DrawLegend} errs] != 0 } {
2402	global errorInfo
2403	puts stderr "errs=$errs errorInfo=$errorInfo"
2404	}
2405	}
2406	}
2407
2408	#
2409	# DrawLegend --
2410	#
2411	# Draws the legend in the own canvas on the right side of the plot area.
2412	#
2413	itcl::body Rappture::VtkGlyphViewer::DrawLegend {} {
2414	set fname $_curFldName
2415	set c $itk_component(view)
2416	set w [winfo width $c]
2417	set h [winfo height $c]
2418	set font "Arial 8"
2419	set lineht [font metrics $font -linespace]
2420
2421	if { [string match "component*" $fname] } {
2422	set title ""
2423	} else {
2424	if { [info exists _fields($fname)] } {
2425	foreach { title units } $_fields($fname) break
2426	if { $units != "" } {
2427	set title [format "%s (%s)" $title $units]
2428	}
2429	} else {
2430	set title $fname
2431	}
2432	}
2433	set x [expr $w - 2]
2434	if { !$_settings(-legendvisible) } {
2435	$c delete legend
2436	return
2437	}
2438	if { [$c find withtag "legend"] == "" } {
2439	set y 2
2440	# If there's a legend title, create a text item for the title.
2441	$c create text $x $y \
2442	-anchor ne \
2443	-fill $itk_option(-plotforeground) -tags "title legend" \
2444	-font $font
2445	if { $title != "" } {
2446	incr y $lineht
2447	}
2448	$c create text $x $y \
2449	-anchor ne \
2450	-fill $itk_option(-plotforeground) -tags "vmax legend" \
2451	-font $font
2452	incr y $lineht
2453	$c create image $x $y \
2454	-anchor ne \
2455	-image $_image(legend) -tags "colormap legend"
2456	$c create rectangle $x $y 1 1 \
2457	-fill "" -outline "" -tags "sensor legend"
2458	$c create text $x [expr {$h-2}] \
2459	-anchor se \
2460	-fill $itk_option(-plotforeground) -tags "vmin legend" \
2461	-font $font
2462	$c bind sensor <Enter> [itcl::code $this EnterLegend %x %y]
2463	$c bind sensor <Leave> [itcl::code $this LeaveLegend]
2464	$c bind sensor <Motion> [itcl::code $this MotionLegend %x %y]
2465	}
2466	set x2 $x
2467	set iw [image width $_image(legend)]
2468	set ih [image height $_image(legend)]
2469	set x1 [expr $x2 - ($iw*12)/10]
2470
2471	$c bind title <ButtonPress> [itcl::code $this Combo post]
2472	$c bind title <Enter> [itcl::code $this Combo activate]
2473	$c bind title <Leave> [itcl::code $this Combo deactivate]
2474	# Reset the item coordinates according the current size of the plot.
2475	$c itemconfigure title -text $title
2476	if { [info exists _limits($_curFldName)] } {
2477	foreach { vmin vmax } $_limits($_curFldName) break
2478	$c itemconfigure vmin -text [format %g $vmin]
2479	$c itemconfigure vmax -text [format %g $vmax]
2480	}
2481	set y 2
2482	# If there's a legend title, move the title to the correct position
2483	if { $title != "" } {
2484	$c itemconfigure title -text $title
2485	$c coords title $x $y
2486	incr y $lineht
2487	$c raise title
2488	}
2489	$c coords vmax $x $y
2490	incr y $lineht
2491	$c coords colormap $x $y
2492	$c coords sensor [expr $x - $iw] $y $x [expr $y + $ih]
2493	$c raise sensor
2494	$c coords vmin $x [expr {$h - 2}]
2495	}
2496
2497	# ----------------------------------------------------------------------
2498	# USAGE: _dropdown post
2499	# USAGE: _dropdown unpost
2500	# USAGE: _dropdown select
2501	#
2502	# Used internally to handle the dropdown list for this combobox. The
2503	# post/unpost options are invoked when the list is posted or unposted
2504	# to manage the relief of the controlling button. The select option
2505	# is invoked whenever there is a selection from the list, to assign
2506	# the value back to the gauge.
2507	# ----------------------------------------------------------------------
2508	itcl::body Rappture::VtkGlyphViewer::Combo {option} {
2509	set c $itk_component(view)
2510	switch -- $option {
2511	post {
2512	foreach { x1 y1 x2 y2 } [$c bbox title] break
2513	set cw [winfo width $itk_component(view)]
2514	set mw [winfo reqwidth $itk_component(fieldmenu)]
2515	set x1 [expr $cw - $mw]
2516	set x [expr $x1 + [winfo rootx $itk_component(view)]]
2517	set y [expr $y2 + [winfo rooty $itk_component(view)]]
2518	tk_popup $itk_component(fieldmenu) $x $y
2519	}
2520	activate {
2521	$c itemconfigure title -fill red
2522	}
2523	deactivate {
2524	$c itemconfigure title -fill $itk_option(-plotforeground)
2525	}
2526	invoke {
2527	$itk_component(field) value $_curFldLabel
2528	AdjustSetting -field
2529	}
2530	default {
2531	error "bad option \"$option\": should be post, unpost, select"
2532	}
2533	}
2534	}
2535
2536	#
2537	# SetCurrentColormap --
2538	#
2539	itcl::body Rappture::VtkGlyphViewer::SetCurrentColormap { name } {
2540	# Keep track of the colormaps that we build.
2541	if { ![info exists _colormaps($name)] } {
2542	BuildColormap $name
2543	set _colormaps($name) 1
2544	}
2545	set _currentColormap $name
2546	SendCmd "glyphs colormap $_currentColormap"
2547	}
2548
2549	#
2550	# BuildColormap --
2551	#
2552	# Build the designated colormap on the server.
2553	#
2554	itcl::body Rappture::VtkGlyphViewer::BuildColormap { name } {
2555	set cmap [ColorsToColormap $name]
2556	if { [llength $cmap] == 0 } {
2557	set cmap "0.0 0.0 0.0 0.0 1.0 1.0 1.0 1.0"
2558	}
2559	set wmap "0.0 1.0 1.0 1.0"
2560	SendCmd "colormap add $name { $cmap } { $wmap }"
2561	}
2562
2563	itcl::body Rappture::VtkGlyphViewer::SetOrientation { side } {
2564	array set positions {
2565	front "1 0 0 0"
2566	back "0 0 1 0"
2567	left "0.707107 0 -0.707107 0"
2568	right "0.707107 0 0.707107 0"
2569	top "0.707107 -0.707107 0 0"
2570	bottom "0.707107 0.707107 0 0"
2571	}
2572	foreach name { qw qx qy qz } value $positions($side) {
2573	set _view($name) $value
2574	}
2575	set q [list $_view(qw) $_view(qx) $_view(qy) $_view(qz)]
2576	$_arcball quaternion $q
2577	SendCmd "camera orient $q"
2578	SendCmd "camera reset"
2579	set _view(xpan) 0
2580	set _view(ypan) 0
2581	set _view(zoom) 1.0
2582	}

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