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source: branches/uq/gui/scripts/vtkglyphviewer.tcl @ 5679

Last change on this file since 5679 was 5679, checked in by ldelgass, 9 years ago
Full merge 1.3 branch to uq branch to sync. Fixed partial subdirectory merge by removing mergeinfo from lang/python/Rappture directory.
File size: 88.1 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	# The following methods are only used by this class.
65	private method AdjustSetting {what {value ""}}
66	private method BuildAxisTab {}
67	private method BuildCameraTab {}
68	private method BuildColormap { name }
69	private method BuildCutplaneTab {}
70	private method BuildDownloadPopup { widget command }
71	private method BuildGlyphTab {}
72	private method DrawLegend {}
73	private method Combo { option }
74	private method Connect {}
75	private method CurrentDatasets {args}
76	private method Disconnect {}
77	private method DoResize {}
78	private method DoRotate {}
79	private method EnterLegend { x y }
80	private method EventuallyResize { w h }
81	private method EventuallyRotate { q }
82	private method EventuallyRequestLegend {}
83	private method EventuallySetCutplane { axis args }
84	private method GetImage { args }
85	private method GetVtkData { args }
86	private method InitSettings { args }
87	private method IsValidObject { dataobj }
88	private method LeaveLegend {}
89	private method MotionLegend { x y }
90	private method Pan {option x y}
91	private method PanCamera {}
92	private method Pick {x y}
93	private method QuaternionToView { q } {
94	foreach { _view(-qw) _view(-qx) _view(-qy) _view(-qz) } $q break
95	}
96	private method Rebuild {}
97	private method ReceiveDataset { args }
98	private method ReceiveImage { args }
99	private method ReceiveLegend { colormap title vmin vmax size }
100	private method RequestLegend {}
101	private method Rotate {option x y}
102	private method SetLegendTip { x y }
103	private method SetObjectStyle { dataobj comp }
104	private method Slice {option args}
105	private method SetCurrentColormap { color }
106	private method SetOrientation { side }
107	private method ViewToQuaternion {} {
108	return [list $_view(-qw) $_view(-qx) $_view(-qy) $_view(-qz)]
109	}
110	private method Zoom {option}
111
112	private variable _arcball ""
113
114	private variable _dlist "" ; # list of data objects
115	private variable _obj2ovride ; # maps dataobj => style override
116	private variable _datasets ; # contains all the dataobj-component
117	; # datasets in the server
118	private variable _colormaps ; # contains all the colormaps
119	; # in the server.
120	# The name of the current colormap used. The colormap is global to all
121	# heightmaps displayed.
122	private variable _currentColormap ""
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 _changed
129	private variable _reset 1; # Connection to server has been reset.
130
131	private variable _first "" ; # This is the topmost dataset.
132	private variable _start 0
133	private variable _title ""
134
135	private common _downloadPopup; # download options from popup
136	private common _hardcopy
137	private variable _width 0
138	private variable _height 0
139	private variable _resizePending 0
140	private variable _rotatePending 0
141	private variable _cutplanePending 0
142	private variable _legendPending 0
143	private variable _field ""
144	private variable _colorMode "vmag"; # Mode of colormap (vmag or scalar)
145	private variable _fieldNames {}
146	private variable _fields
147	private variable _curFldName ""
148	private variable _curFldLabel ""
149	}
150
151	itk::usual VtkGlyphViewer {
152	keep -background -foreground -cursor -font
153	keep -plotbackground -plotforeground
154	}
155
156	# ----------------------------------------------------------------------
157	# CONSTRUCTOR
158	# ----------------------------------------------------------------------
159	itcl::body Rappture::VtkGlyphViewer::constructor {hostlist args} {
160	set _serverType "vtkvis"
161
162	# Rebuild event
163	$_dispatcher register !rebuild
164	$_dispatcher dispatch $this !rebuild "[itcl::code $this Rebuild]; list"
165
166	# Resize event
167	$_dispatcher register !resize
168	$_dispatcher dispatch $this !resize "[itcl::code $this DoResize]; list"
169
170	# Rotate event
171	$_dispatcher register !rotate
172	$_dispatcher dispatch $this !rotate "[itcl::code $this DoRotate]; list"
173
174	# Legend event
175	$_dispatcher register !legend
176	$_dispatcher dispatch $this !legend "[itcl::code $this RequestLegend]; list"
177
178	# X-Cutplane event
179	$_dispatcher register !xcutplane
180	$_dispatcher dispatch $this !xcutplane \
181	"[itcl::code $this AdjustSetting -cutplanexposition]; list"
182
183	# Y-Cutplane event
184	$_dispatcher register !ycutplane
185	$_dispatcher dispatch $this !ycutplane \
186	"[itcl::code $this AdjustSetting -cutplaneyposition]; list"
187
188	# Z-Cutplane event
189	$_dispatcher register !zcutplane
190	$_dispatcher dispatch $this !zcutplane \
191	"[itcl::code $this AdjustSetting -cutplanezposition]; list"
192
193	#
194	# Populate parser with commands handle incoming requests
195	#
196	$_parser alias image [itcl::code $this ReceiveImage]
197	$_parser alias dataset [itcl::code $this ReceiveDataset]
198	$_parser alias legend [itcl::code $this ReceiveLegend]
199
200	# Initialize the view to some default parameters.
201	array set _view {
202	-ortho 0
203	-qw 0.853553
204	-qx -0.353553
205	-qy 0.353553
206	-qz 0.146447
207	-xpan 0
208	-ypan 0
209	-zoom 1.0
210	}
211	set _arcball [blt::arcball create 100 100]
212	$_arcball quaternion [ViewToQuaternion]
213
214	array set _settings [subst {
215	-axesvisible 1
216	-axislabels 1
217	-axisminorticks 1
218	-axismode "static"
219	-background black
220	-colormap BCGYR
221	-colormapvisible 1
222	-cutplaneedges 0
223	-cutplanelighting 1
224	-cutplanepreinterp 1
225	-cutplaneopacity 100
226	-cutplanevisible 0
227	-cutplanewireframe 0
228	-cutplanexposition 50
229	-cutplanexvisible 1
230	-cutplaneyposition 50
231	-cutplaneyvisible 1
232	-cutplanezposition 50
233	-cutplanezvisible 1
234	-field "Default"
235	-glyphedges 0
236	-glyphlighting 1
237	-glyphnormscale 1
238	-glyphopacity 100
239	-glyphorient 1
240	-glyphoutline 0
241	-glyphscale 1
242	-glyphscalemode "vmag"
243	-glyphshape "arrow"
244	-glyphvisible 1
245	-glyphwireframe 0
246	-legendvisible 1
247	-saveglyphopacity 100
248	-xgrid 0
249	-ygrid 0
250	-zgrid 0
251	}]
252	array set _changed {
253	-colormap 0
254	-glyphopacity 0
255	}
256
257	itk_component add view {
258	canvas $itk_component(plotarea).view \
259	-highlightthickness 0 -borderwidth 0
260	} {
261	usual
262	ignore -highlightthickness -borderwidth -background
263	}
264
265	itk_component add fieldmenu {
266	menu $itk_component(plotarea).menu -bg black -fg white -relief flat \
267	-tearoff no
268	} {
269	usual
270	ignore -background -foreground -relief -tearoff
271	}
272	set c $itk_component(view)
273	bind $c <Configure> [itcl::code $this EventuallyResize %w %h]
274	bind $c <4> [itcl::code $this Zoom in 0.25]
275	bind $c <5> [itcl::code $this Zoom out 0.25]
276	bind $c <KeyPress-Left> [list %W xview scroll 10 units]
277	bind $c <KeyPress-Right> [list %W xview scroll -10 units]
278	bind $c <KeyPress-Up> [list %W yview scroll 10 units]
279	bind $c <KeyPress-Down> [list %W yview scroll -10 units]
280	bind $c <Enter> "focus %W"
281	bind $c <Control-F1> [itcl::code $this ToggleConsole]
282
283	# Fix the scrollregion in case we go off screen
284	$c configure -scrollregion [$c bbox all]
285
286	set _map(id) [$c create image 0 0 -anchor nw -image $_image(plot)]
287	set _map(cwidth) -1
288	set _map(cheight) -1
289	set _map(zoom) 1.0
290	set _map(original) ""
291
292	set f [$itk_component(main) component controls]
293	itk_component add reset {
294	button $f.reset -borderwidth 1 -padx 1 -pady 1 \
295	-highlightthickness 0 \
296	-image [Rappture::icon reset-view] \
297	-command [itcl::code $this Zoom reset]
298	} {
299	usual
300	ignore -highlightthickness
301	}
302	pack $itk_component(reset) -side top -padx 2 -pady 2
303	Rappture::Tooltip::for $itk_component(reset) \
304	"Reset the view to the default zoom level"
305
306	itk_component add zoomin {
307	button $f.zin -borderwidth 1 -padx 1 -pady 1 \
308	-highlightthickness 0 \
309	-image [Rappture::icon zoom-in] \
310	-command [itcl::code $this Zoom in]
311	} {
312	usual
313	ignore -highlightthickness
314	}
315	pack $itk_component(zoomin) -side top -padx 2 -pady 2
316	Rappture::Tooltip::for $itk_component(zoomin) "Zoom in"
317
318	itk_component add zoomout {
319	button $f.zout -borderwidth 1 -padx 1 -pady 1 \
320	-highlightthickness 0 \
321	-image [Rappture::icon zoom-out] \
322	-command [itcl::code $this Zoom out]
323	} {
324	usual
325	ignore -highlightthickness
326	}
327	pack $itk_component(zoomout) -side top -padx 2 -pady 2
328	Rappture::Tooltip::for $itk_component(zoomout) "Zoom out"
329
330	itk_component add glyphs {
331	Rappture::PushButton $f.glyphs \
332	-onimage [Rappture::icon volume-on] \
333	-offimage [Rappture::icon volume-off] \
334	-variable [itcl::scope _settings(-glyphvisible)] \
335	-command [itcl::code $this AdjustSetting -glyphvisible]
336	}
337	$itk_component(glyphs) select
338	Rappture::Tooltip::for $itk_component(glyphs) \
339	"Don't display the glyphs"
340	pack $itk_component(glyphs) -padx 2 -pady 2
341
342	if {0} {
343	itk_component add cutplane {
344	Rappture::PushButton $f.cutplane \
345	-onimage [Rappture::icon cutbutton] \
346	-offimage [Rappture::icon cutbutton] \
347	-variable [itcl::scope _settings(-cutplanevisible)] \
348	-command [itcl::code $this AdjustSetting -cutplanevisible]
349	}
350	Rappture::Tooltip::for $itk_component(cutplane) \
351	"Show/Hide cutplanes"
352	pack $itk_component(cutplane) -padx 2 -pady 2
353	}
354
355	if { [catch {
356	BuildGlyphTab
357	#BuildCutplaneTab
358	BuildAxisTab
359	BuildCameraTab
360	} errs] != 0 } {
361	puts stderr errs=$errs
362	}
363	# Legend
364
365	set _image(legend) [image create photo]
366	itk_component add legend {
367	canvas $itk_component(plotarea).legend -width 50 -highlightthickness 0
368	} {
369	usual
370	ignore -highlightthickness
371	rename -background -plotbackground plotBackground Background
372	}
373
374	# Hack around the Tk panewindow. The problem is that the requested
375	# size of the 3d view isn't set until an image is retrieved from
376	# the server. So the panewindow uses the tiny size.
377	set w 10000
378	pack forget $itk_component(view)
379	blt::table $itk_component(plotarea) \
380	0,0 $itk_component(view) -fill both -reqwidth $w
381	blt::table configure $itk_component(plotarea) c1 -resize none
382
383	# Bindings for rotation via mouse
384	bind $itk_component(view) <ButtonPress-1> \
385	[itcl::code $this Rotate click %x %y]
386	bind $itk_component(view) <B1-Motion> \
387	[itcl::code $this Rotate drag %x %y]
388	bind $itk_component(view) <ButtonRelease-1> \
389	[itcl::code $this Rotate release %x %y]
390
391	# Bindings for panning via mouse
392	bind $itk_component(view) <ButtonPress-2> \
393	[itcl::code $this Pan click %x %y]
394	bind $itk_component(view) <B2-Motion> \
395	[itcl::code $this Pan drag %x %y]
396	bind $itk_component(view) <ButtonRelease-2> \
397	[itcl::code $this Pan release %x %y]
398
399	#bind $itk_component(view) <ButtonRelease-3> \
400	# [itcl::code $this Pick %x %y]
401
402	# Bindings for panning via keyboard
403	bind $itk_component(view) <KeyPress-Left> \
404	[itcl::code $this Pan set -10 0]
405	bind $itk_component(view) <KeyPress-Right> \
406	[itcl::code $this Pan set 10 0]
407	bind $itk_component(view) <KeyPress-Up> \
408	[itcl::code $this Pan set 0 -10]
409	bind $itk_component(view) <KeyPress-Down> \
410	[itcl::code $this Pan set 0 10]
411	bind $itk_component(view) <Shift-KeyPress-Left> \
412	[itcl::code $this Pan set -2 0]
413	bind $itk_component(view) <Shift-KeyPress-Right> \
414	[itcl::code $this Pan set 2 0]
415	bind $itk_component(view) <Shift-KeyPress-Up> \
416	[itcl::code $this Pan set 0 -2]
417	bind $itk_component(view) <Shift-KeyPress-Down> \
418	[itcl::code $this Pan set 0 2]
419
420	# Bindings for zoom via keyboard
421	bind $itk_component(view) <KeyPress-Prior> \
422	[itcl::code $this Zoom out]
423	bind $itk_component(view) <KeyPress-Next> \
424	[itcl::code $this Zoom in]
425
426	bind $itk_component(view) <Enter> "focus $itk_component(view)"
427
428	if {[string equal "x11" [tk windowingsystem]]} {
429	# Bindings for zoom via mouse
430	bind $itk_component(view) <4> [itcl::code $this Zoom out]
431	bind $itk_component(view) <5> [itcl::code $this Zoom in]
432	}
433
434	set _image(download) [image create photo]
435
436	eval itk_initialize $args
437
438	EnableWaitDialog 900
439	Connect
440	}
441
442	# ----------------------------------------------------------------------
443	# DESTRUCTOR
444	# ----------------------------------------------------------------------
445	itcl::body Rappture::VtkGlyphViewer::destructor {} {
446	Disconnect
447	image delete $_image(plot)
448	image delete $_image(download)
449	catch { blt::arcball destroy $_arcball }
450	}
451
452	itcl::body Rappture::VtkGlyphViewer::DoResize {} {
453	if { $_width < 2 } {
454	set _width 500
455	}
456	if { $_height < 2 } {
457	set _height 500
458	}
459	set _start [clock clicks -milliseconds]
460	SendCmd "screen size $_width $_height"
461
462	EventuallyRequestLegend
463	set _resizePending 0
464	}
465
466	itcl::body Rappture::VtkGlyphViewer::DoRotate {} {
467	SendCmd "camera orient [ViewToQuaternion]"
468	set _rotatePending 0
469	}
470
471	itcl::body Rappture::VtkGlyphViewer::EventuallyRequestLegend {} {
472	if { !$_legendPending } {
473	set _legendPending 1
474	$_dispatcher event -idle !legend
475	}
476	}
477
478	itcl::body Rappture::VtkGlyphViewer::EventuallyResize { w h } {
479	set _width $w
480	set _height $h
481	$_arcball resize $w $h
482	if { !$_resizePending } {
483	set _resizePending 1
484	$_dispatcher event -after 400 !resize
485	}
486	}
487
488	set rotate_delay 100
489
490	itcl::body Rappture::VtkGlyphViewer::EventuallyRotate { q } {
491	QuaternionToView $q
492	if { !$_rotatePending } {
493	set _rotatePending 1
494	global rotate_delay
495	$_dispatcher event -after $rotate_delay !rotate
496	}
497	}
498
499	itcl::body Rappture::VtkGlyphViewer::EventuallySetCutplane { axis args } {
500	if { !$_cutplanePending } {
501	set _cutplanePending 1
502	$_dispatcher event -after 100 !${axis}cutplane
503	}
504	}
505
506	# ----------------------------------------------------------------------
507	# USAGE: add <dataobj> ?<settings>?
508	#
509	# Clients use this to add a data object to the plot. The optional
510	# <settings> are used to configure the plot. Allowed settings are
511	# -color, -brightness, -width, -linestyle, and -raise.
512	# ----------------------------------------------------------------------
513	itcl::body Rappture::VtkGlyphViewer::add {dataobj {settings ""}} {
514	if { ![$dataobj isvalid] } {
515	return; # Object doesn't contain valid data.
516	}
517	array set params {
518	-color auto
519	-width 1
520	-linestyle solid
521	-brightness 0
522	-raise 0
523	-description ""
524	-param ""
525	-type ""
526	}
527	array set params $settings
528	set params(-description) ""
529	set params(-param) ""
530	array set params $settings
531
532	if {$params(-color) == "auto" \|\| $params(-color) == "autoreset"} {
533	# can't handle -autocolors yet
534	set params(-color) black
535	}
536	set pos [lsearch -exact $_dlist $dataobj]
537	if {$pos < 0} {
538	lappend _dlist $dataobj
539	}
540	set _obj2ovride($dataobj-color) $params(-color)
541	set _obj2ovride($dataobj-width) $params(-width)
542	set _obj2ovride($dataobj-raise) $params(-raise)
543	$_dispatcher event -idle !rebuild
544	}
545
546	# ----------------------------------------------------------------------
547	# USAGE: delete ?<dataobj1> <dataobj2> ...?
548	#
549	# Clients use this to delete a dataobj from the plot. If no dataobjs
550	# are specified, then all dataobjs are deleted. No data objects are
551	# deleted. They are only removed from the display list.
552	#
553	# ----------------------------------------------------------------------
554	itcl::body Rappture::VtkGlyphViewer::delete {args} {
555	if { [llength $args] == 0} {
556	set args $_dlist
557	}
558	# Delete all specified dataobjs
559	set changed 0
560	foreach dataobj $args {
561	set pos [lsearch -exact $_dlist $dataobj]
562	if { $pos < 0 } {
563	continue; # Don't know anything about it.
564	}
565	# Remove it from the dataobj list.
566	set _dlist [lreplace $_dlist $pos $pos]
567	array unset _obj2ovride $dataobj-*
568	array unset _settings $dataobj-*
569	set changed 1
570	}
571	# If anything changed, then rebuild the plot
572	if { $changed } {
573	$_dispatcher event -idle !rebuild
574	}
575	}
576
577	# ----------------------------------------------------------------------
578	# USAGE: get ?-objects?
579	# USAGE: get ?-visible?
580	# USAGE: get ?-image view?
581	#
582	# Clients use this to query the list of objects being plotted, in
583	# order from bottom to top of this result. The optional "-image"
584	# flag can also request the internal images being shown.
585	# ----------------------------------------------------------------------
586	itcl::body Rappture::VtkGlyphViewer::get {args} {
587	if {[llength $args] == 0} {
588	set args "-objects"
589	}
590
591	set op [lindex $args 0]
592	switch -- $op {
593	"-objects" {
594	# put the dataobj list in order according to -raise options
595	set dlist {}
596	foreach dataobj $_dlist {
597	if { ![IsValidObject $dataobj] } {
598	continue
599	}
600	if {[info exists _obj2ovride($dataobj-raise)] &&
601	$_obj2ovride($dataobj-raise)} {
602	set dlist [linsert $dlist 0 $dataobj]
603	} else {
604	lappend dlist $dataobj
605	}
606	}
607	return $dlist
608	}
609	"-visible" {
610	set dlist {}
611	foreach dataobj $_dlist {
612	if { ![IsValidObject $dataobj] } {
613	continue
614	}
615	if { ![info exists _obj2ovride($dataobj-raise)] } {
616	# No setting indicates that the object isn't visible.
617	continue
618	}
619	# Otherwise use the -raise parameter to put the object to
620	# the front of the list.
621	if { $_obj2ovride($dataobj-raise) } {
622	set dlist [linsert $dlist 0 $dataobj]
623	} else {
624	lappend dlist $dataobj
625	}
626	}
627	return $dlist
628	}
629	-image {
630	if {[llength $args] != 2} {
631	error "wrong # args: should be \"get -image view\""
632	}
633	switch -- [lindex $args end] {
634	view {
635	return $_image(plot)
636	}
637	default {
638	error "bad image name \"[lindex $args end]\": should be view"
639	}
640	}
641	}
642	default {
643	error "bad option \"$op\": should be -objects or -image"
644	}
645	}
646	}
647
648	# ----------------------------------------------------------------------
649	# USAGE: scale ?<data1> <data2> ...?
650	#
651	# Sets the default limits for the overall plot according to the
652	# limits of the data for all of the given <data> objects. This
653	# accounts for all objects--even those not showing on the screen.
654	# Because of this, the limits are appropriate for all objects as
655	# the user scans through data in the ResultSet viewer.
656	# ----------------------------------------------------------------------
657	itcl::body Rappture::VtkGlyphViewer::scale { args } {
658	foreach dataobj $args {
659	if { ![$dataobj isvalid] } {
660	continue; # Object doesn't contain valid data.
661	}
662	foreach axis { x y z } {
663	set lim [$dataobj limits $axis]
664	if { ![info exists _limits($axis)] } {
665	set _limits($axis) $lim
666	continue
667	}
668	foreach {min max} $lim break
669	foreach {amin amax} $_limits($axis) break
670	if { $amin > $min } {
671	set amin $min
672	}
673	if { $amax < $max } {
674	set amax $max
675	}
676	set _limits($axis) [list $amin $amax]
677	}
678	foreach { fname lim } [$dataobj fieldlimits] {
679	if { ![info exists _limits($fname)] } {
680	set _limits($fname) $lim
681	continue
682	}
683	foreach {min max} $lim break
684	foreach {fmin fmax} $_limits($fname) break
685	if { $fmin > $min } {
686	set fmin $min
687	}
688	if { $fmax < $max } {
689	set fmax $max
690	}
691	set _limits($fname) [list $fmin $fmax]
692	}
693	}
694	}
695
696	# ----------------------------------------------------------------------
697	# USAGE: download coming
698	# USAGE: download controls <downloadCommand>
699	# USAGE: download now
700	#
701	# Clients use this method to create a downloadable representation
702	# of the plot. Returns a list of the form {ext string}, where
703	# "ext" is the file extension (indicating the type of data) and
704	# "string" is the data itself.
705	# ----------------------------------------------------------------------
706	itcl::body Rappture::VtkGlyphViewer::download {option args} {
707	switch $option {
708	coming {
709	if {[catch {
710	blt::winop snap $itk_component(plotarea) $_image(download)
711	}]} {
712	$_image(download) configure -width 1 -height 1
713	$_image(download) put #000000
714	}
715	}
716	controls {
717	set popup .vtkviewerdownload
718	if { ![winfo exists .vtkviewerdownload] } {
719	set inner [BuildDownloadPopup $popup [lindex $args 0]]
720	} else {
721	set inner [$popup component inner]
722	}
723	set _downloadPopup(image_controls) $inner.image_frame
724	set num [llength [get]]
725	set num [expr {($num == 1) ? "1 result" : "$num results"}]
726	set word [Rappture::filexfer::label downloadWord]
727	$inner.summary configure -text "$word $num in the following format:"
728	update idletasks ;# Fix initial sizes
729	return $popup
730	}
731	now {
732	set popup .vtkviewerdownload
733	if {[winfo exists .vtkviewerdownload]} {
734	$popup deactivate
735	}
736	switch -- $_downloadPopup(format) {
737	"image" {
738	return [$this GetImage [lindex $args 0]]
739	}
740	"vtk" {
741	return [$this GetVtkData [lindex $args 0]]
742	}
743	}
744	return ""
745	}
746	default {
747	error "bad option \"$option\": should be coming, controls, now"
748	}
749	}
750	}
751
752	# ----------------------------------------------------------------------
753	# USAGE: Connect ?<host:port>,<host:port>...?
754	#
755	# Clients use this method to establish a connection to a new
756	# server, or to reestablish a connection to the previous server.
757	# Any existing connection is automatically closed.
758	# ----------------------------------------------------------------------
759	itcl::body Rappture::VtkGlyphViewer::Connect {} {
760	set _hosts [GetServerList "vtkvis"]
761	if { "" == $_hosts } {
762	return 0
763	}
764	set _reset 1
765	set result [VisViewer::Connect $_hosts]
766	if { $result } {
767	if { $_reportClientInfo } {
768	# Tell the server the viewer, hub, user and session.
769	# Do this immediately on connect before buffering any commands
770	global env
771
772	set info {}
773	set user "???"
774	if { [info exists env(USER)] } {
775	set user $env(USER)
776	}
777	set session "???"
778	if { [info exists env(SESSION)] } {
779	set session $env(SESSION)
780	}
781	lappend info "version" "$Rappture::version"
782	lappend info "build" "$Rappture::build"
783	lappend info "svnurl" "$Rappture::svnurl"
784	lappend info "installdir" "$Rappture::installdir"
785	lappend info "hub" [exec hostname]
786	lappend info "client" "vtkglyphviewer"
787	lappend info "user" $user
788	lappend info "session" $session
789	SendCmd "clientinfo [list $info]"
790	}
791
792	set w [winfo width $itk_component(view)]
793	set h [winfo height $itk_component(view)]
794	EventuallyResize $w $h
795	}
796	return $result
797	}
798
799	#
800	# isconnected --
801	#
802	# Indicates if we are currently connected to the visualization server.
803	#
804	itcl::body Rappture::VtkGlyphViewer::isconnected {} {
805	return [VisViewer::IsConnected]
806	}
807
808	#
809	# disconnect --
810	#
811	itcl::body Rappture::VtkGlyphViewer::disconnect {} {
812	Disconnect
813	set _reset 1
814	}
815
816	#
817	# Disconnect --
818	#
819	# Clients use this method to disconnect from the current rendering
820	# server.
821	#
822	itcl::body Rappture::VtkGlyphViewer::Disconnect {} {
823	VisViewer::Disconnect
824
825	$_dispatcher cancel !rebuild
826	$_dispatcher cancel !resize
827	$_dispatcher cancel !rotate
828	$_dispatcher cancel !xcutplane
829	$_dispatcher cancel !ycutplane
830	$_dispatcher cancel !zcutplane
831	$_dispatcher cancel !legend
832	# disconnected -- no more data sitting on server
833	array unset _datasets
834	array unset _data
835	array unset _colormaps
836	}
837
838	# ----------------------------------------------------------------------
839	# USAGE: ReceiveImage -bytes <size> -type <type> -token <token>
840	#
841	# Invoked automatically whenever the "image" command comes in from
842	# the rendering server. Indicates that binary image data with the
843	# specified <size> will follow.
844	# ----------------------------------------------------------------------
845	itcl::body Rappture::VtkGlyphViewer::ReceiveImage { args } {
846	array set info {
847	-token "???"
848	-bytes 0
849	-type image
850	}
851	array set info $args
852	set bytes [ReceiveBytes $info(-bytes)]
853	if { $info(-type) == "image" } {
854	if 0 {
855	set f [open "last.ppm" "w"]
856	fconfigure $f -encoding binary
857	puts -nonewline $f $bytes
858	close $f
859	}
860	$_image(plot) configure -data $bytes
861	set time [clock seconds]
862	set date [clock format $time]
863	#puts stderr "$date: received image [image width $_image(plot)]x[image height $_image(plot)] image>"
864	if { $_start > 0 } {
865	set finish [clock clicks -milliseconds]
866	#puts stderr "round trip time [expr $finish -$_start] milliseconds"
867	set _start 0
868	}
869	} elseif { $info(type) == "print" } {
870	set tag $this-print-$info(-token)
871	set _hardcopy($tag) $bytes
872	}
873	}
874
875	#
876	# ReceiveDataset --
877	#
878	itcl::body Rappture::VtkGlyphViewer::ReceiveDataset { args } {
879	if { ![isconnected] } {
880	return
881	}
882	set option [lindex $args 0]
883	switch -- $option {
884	"scalar" {
885	set option [lindex $args 1]
886	switch -- $option {
887	"world" {
888	foreach { x y z value tag } [lrange $args 2 end] break
889	}
890	"pixel" {
891	foreach { x y value tag } [lrange $args 2 end] break
892	}
893	}
894	}
895	"vector" {
896	set option [lindex $args 1]
897	switch -- $option {
898	"world" {
899	foreach { x y z vx vy vz tag } [lrange $args 2 end] break
900	}
901	"pixel" {
902	foreach { x y vx vy vz tag } [lrange $args 2 end] break
903	}
904	}
905	}
906	"names" {
907	foreach { name } [lindex $args 1] {
908	#puts stderr "Dataset: $name"
909	}
910	}
911	default {
912	error "unknown dataset option \"$option\" from server"
913	}
914	}
915	}
916
917	# ----------------------------------------------------------------------
918	# USAGE: Rebuild
919	#
920	# Called automatically whenever something changes that affects the
921	# data in the widget. Clears any existing data and rebuilds the
922	# widget to display new data.
923	# ----------------------------------------------------------------------
924	itcl::body Rappture::VtkGlyphViewer::Rebuild {} {
925	set w [winfo width $itk_component(view)]
926	set h [winfo height $itk_component(view)]
927	if { $w < 2 \|\| $h < 2 } {
928	update
929	$_dispatcher event -idle !rebuild
930	return
931	}
932
933	# Turn on buffering of commands to the server. We don't want to
934	# be preempted by a server disconnect/reconnect (which automatically
935	# generates a new call to Rebuild).
936	StartBufferingCommands
937
938	if { $_reset } {
939	set _width $w
940	set _height $h
941	$_arcball resize $w $h
942	DoResize
943	#
944	# Reset the camera and other view parameters
945	#
946	$_arcball quaternion [ViewToQuaternion]
947	if {$_view(-ortho)} {
948	SendCmd "camera mode ortho"
949	} else {
950	SendCmd "camera mode persp"
951	}
952	DoRotate
953	PanCamera
954	set _first ""
955	InitSettings -xgrid -ygrid -zgrid -axismode \
956	-axesvisible -axislabels -axisminorticks
957	#SendCmd "axis lformat all %g"
958	StopBufferingCommands
959	SendCmd "imgflush"
960	StartBufferingCommands
961	}
962	set _first ""
963	SendCmd "dataset visible 0"
964	foreach dataobj [get -objects] {
965	if { [info exists _obj2ovride($dataobj-raise)] && $_first == "" } {
966	set _first $dataobj
967	}
968	foreach comp [$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	fconfigure $f -translation binary -encoding binary
975	puts -nonewline $f $bytes
976	close $f
977	}
978	set length [string length $bytes]
979	if { $_reportClientInfo } {
980	set info {}
981	lappend info "tool_id" [$dataobj hints toolid]
982	lappend info "tool_name" [$dataobj hints toolname]
983	lappend info "tool_title" [$dataobj hints tooltitle]
984	lappend info "tool_command" [$dataobj hints toolcommand]
985	lappend info "tool_revision" [$dataobj hints toolrevision]
986	lappend info "dataset_label" [$dataobj hints label]
987	lappend info "dataset_size" $length
988	lappend info "dataset_tag" $tag
989	SendCmd "clientinfo [list $info]"
990	}
991	SendCmd "dataset add $tag data follows $length"
992	SendData $bytes
993	set _datasets($tag) 1
994	SetObjectStyle $dataobj $comp
995	}
996	if { [info exists _obj2ovride($dataobj-raise)] } {
997	# Setting dataset visible enables outline
998	# and glyphs
999	SendCmd "dataset visible 1 $tag"
1000	}
1001	}
1002	}
1003
1004	if { $_first != "" } {
1005	$itk_component(field) choices delete 0 end
1006	$itk_component(fieldmenu) delete 0 end
1007	array unset _fields
1008	set _curFldName ""
1009	foreach cname [$_first components] {
1010	foreach fname [$_first fieldnames $cname] {
1011	if { [info exists _fields($fname)] } {
1012	continue
1013	}
1014	foreach { label units components } \
1015	[$_first fieldinfo $fname] break
1016	$itk_component(field) choices insert end "$fname" "$label"
1017	$itk_component(fieldmenu) add radiobutton -label "$label" \
1018	-value $label -variable [itcl::scope _curFldLabel] \
1019	-selectcolor red \
1020	-activebackground $itk_option(-plotbackground) \
1021	-activeforeground $itk_option(-plotforeground) \
1022	-font "Arial 8" \
1023	-command [itcl::code $this Combo invoke]
1024	set _fields($fname) [list $label $units $components]
1025	if { $_curFldName == "" } {
1026	set _curFldName $fname
1027	set _curFldLabel $label
1028	}
1029	}
1030	}
1031	$itk_component(field) value $_curFldLabel
1032	}
1033	InitSettings -glyphoutline
1034	#-cutplanevisible
1035	if { $_reset } {
1036	# These are settings that rely on a dataset being loaded.
1037	InitSettings \
1038	-field \
1039	-glyphedges -glyphlighting -glyphnormscale -glyphopacity \
1040	-glyphorient -glyphscale -glyphscalemode -glyphshape -glyphwireframe
1041
1042	#-cutplanexposition -cutplaneyposition -cutplanezposition \
1043	-cutplanexvisible -cutplaneyvisible -cutplanezvisible \
1044	-cutplanepreinterp
1045
1046	Zoom reset
1047	foreach axis { x y z } {
1048	set label ""
1049	if { $_first != "" } {
1050	set label [$_first hints ${axis}label]
1051	}
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	catch {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	-xpan 0
1141	-ypan 0
1142	-zoom 1.0
1143	}
1144	if { $_first != "" } {
1145	set location [$_first hints camera]
1146	if { $location != "" } {
1147	array set _view $location
1148	}
1149	}
1150	$_arcball quaternion [ViewToQuaternion]
1151	DoRotate
1152	SendCmd "camera reset"
1153	}
1154	}
1155	}
1156
1157	itcl::body Rappture::VtkGlyphViewer::PanCamera {} {
1158	set x $_view(-xpan)
1159	set y $_view(-ypan)
1160	SendCmd "camera pan $x $y"
1161	}
1162
1163	# ----------------------------------------------------------------------
1164	# USAGE: Rotate click <x> <y>
1165	# USAGE: Rotate drag <x> <y>
1166	# USAGE: Rotate release <x> <y>
1167	#
1168	# Called automatically when the user clicks/drags/releases in the
1169	# plot area. Moves the plot according to the user's actions.
1170	# ----------------------------------------------------------------------
1171	itcl::body Rappture::VtkGlyphViewer::Rotate {option x y} {
1172	switch -- $option {
1173	"click" {
1174	$itk_component(view) configure -cursor fleur
1175	set _click(x) $x
1176	set _click(y) $y
1177	}
1178	"drag" {
1179	if {[array size _click] == 0} {
1180	Rotate click $x $y
1181	} else {
1182	set w [winfo width $itk_component(view)]
1183	set h [winfo height $itk_component(view)]
1184	if {$w <= 0 \|\| $h <= 0} {
1185	return
1186	}
1187
1188	if {[catch {
1189	# this fails sometimes for no apparent reason
1190	set dx [expr {double($x-$_click(x))/$w}]
1191	set dy [expr {double($y-$_click(y))/$h}]
1192	}]} {
1193	return
1194	}
1195	if { $dx == 0 && $dy == 0 } {
1196	return
1197	}
1198	set q [$_arcball rotate $x $y $_click(x) $_click(y)]
1199	EventuallyRotate $q
1200	set _click(x) $x
1201	set _click(y) $y
1202	}
1203	}
1204	"release" {
1205	Rotate drag $x $y
1206	$itk_component(view) configure -cursor ""
1207	catch {unset _click}
1208	}
1209	default {
1210	error "bad option \"$option\": should be click, drag, release"
1211	}
1212	}
1213	}
1214
1215	itcl::body Rappture::VtkGlyphViewer::Pick {x y} {
1216	foreach tag [CurrentDatasets -visible] {
1217	SendCmd "dataset getscalar pixel $x $y $tag"
1218	}
1219	}
1220
1221	# ----------------------------------------------------------------------
1222	# USAGE: $this Pan click x y
1223	# $this Pan drag x y
1224	# $this Pan release x y
1225	#
1226	# Called automatically when the user clicks on one of the zoom
1227	# controls for this widget. Changes the zoom for the current view.
1228	# ----------------------------------------------------------------------
1229	itcl::body Rappture::VtkGlyphViewer::Pan {option x y} {
1230	switch -- $option {
1231	"set" {
1232	set w [winfo width $itk_component(view)]
1233	set h [winfo height $itk_component(view)]
1234	set x [expr $x / double($w)]
1235	set y [expr $y / double($h)]
1236	set _view(-xpan) [expr $_view(-xpan) + $x]
1237	set _view(-ypan) [expr $_view(-ypan) + $y]
1238	PanCamera
1239	return
1240	}
1241	"click" {
1242	set _click(x) $x
1243	set _click(y) $y
1244	$itk_component(view) configure -cursor hand1
1245	}
1246	"drag" {
1247	if { ![info exists _click(x)] } {
1248	set _click(x) $x
1249	}
1250	if { ![info exists _click(y)] } {
1251	set _click(y) $y
1252	}
1253	set w [winfo width $itk_component(view)]
1254	set h [winfo height $itk_component(view)]
1255	set dx [expr ($_click(x) - $x)/double($w)]
1256	set dy [expr ($_click(y) - $y)/double($h)]
1257	set _click(x) $x
1258	set _click(y) $y
1259	set _view(-xpan) [expr $_view(-xpan) - $dx]
1260	set _view(-ypan) [expr $_view(-ypan) - $dy]
1261	PanCamera
1262	}
1263	"release" {
1264	Pan drag $x $y
1265	$itk_component(view) configure -cursor ""
1266	}
1267	default {
1268	error "unknown option \"$option\": should set, click, drag, or release"
1269	}
1270	}
1271	}
1272
1273	# ----------------------------------------------------------------------
1274	# USAGE: InitSettings <what> ?<value>?
1275	#
1276	# Used internally to update rendering settings whenever parameters
1277	# change in the popup settings panel. Sends the new settings off
1278	# to the back end.
1279	# ----------------------------------------------------------------------
1280	itcl::body Rappture::VtkGlyphViewer::InitSettings { args } {
1281	foreach spec $args {
1282	if { [info exists _settings($_first${spec})] } {
1283	# Reset global setting with dataobj specific setting
1284	set _settings($spec) $_settings($_first${spec})
1285	}
1286	AdjustSetting $spec
1287	}
1288	}
1289
1290	#
1291	# AdjustSetting --
1292	#
1293	# Changes/updates a specific setting in the widget. There are
1294	# usually user-setable option. Commands are sent to the render
1295	# server.
1296	#
1297	itcl::body Rappture::VtkGlyphViewer::AdjustSetting {what {value ""}} {
1298	if { ![isconnected] } {
1299	return
1300	}
1301	switch -- $what {
1302	"-background" {
1303	set bgcolor [$itk_component(background) value]
1304	array set fgcolors {
1305	"black" "white"
1306	"white" "black"
1307	"grey" "black"
1308	}
1309	configure -plotbackground $bgcolor \
1310	-plotforeground $fgcolors($bgcolor)
1311	$itk_component(view) delete "legend"
1312	DrawLegend
1313	}
1314	"-axesvisible" {
1315	set bool $_settings($what)
1316	SendCmd "axis visible all $bool"
1317	}
1318	"-axislabels" {
1319	set bool $_settings($what)
1320	SendCmd "axis labels all $bool"
1321	}
1322	"-axisminorticks" {
1323	set bool $_settings($what)
1324	SendCmd "axis minticks all $bool"
1325	}
1326	"-xgrid" - "-ygrid" - "-zgrid" {
1327	set axis [string tolower [string range $what 1 1]]
1328	set bool $_settings($what)
1329	SendCmd "axis grid $axis $bool"
1330	}
1331	"-axismode" {
1332	set mode [$itk_component(axisMode) value]
1333	set mode [$itk_component(axisMode) translate $mode]
1334	set _settings($what) $mode
1335	SendCmd "axis flymode $mode"
1336	}
1337	"-cutplaneedges" {
1338	set bool $_settings($what)
1339	SendCmd "cutplane edges $bool"
1340	}
1341	"-cutplanevisible" {
1342	set bool $_settings($what)
1343	SendCmd "cutplane visible 0"
1344	if { $bool } {
1345	foreach tag [CurrentDatasets -visible] {
1346	SendCmd "cutplane visible $bool $tag"
1347	}
1348	}
1349	}
1350	"-cutplanewireframe" {
1351	set bool $_settings($what)
1352	SendCmd "cutplane wireframe $bool"
1353	}
1354	"-cutplanelighting" {
1355	set bool $_settings($what)
1356	SendCmd "cutplane lighting $bool"
1357	}
1358	"-cutplaneopacity" {
1359	set val $_settings($what)
1360	set sval [expr { 0.01 * double($val) }]
1361	SendCmd "cutplane opacity $sval"
1362	}
1363	"-cutplanepreinterp" {
1364	set bool $_settings($what)
1365	SendCmd "cutplane preinterp $bool"
1366	}
1367	"-cutplanexvisible" - "-cutplaneyvisible" - "-cutplanezvisible" {
1368	set axis [string tolower [string range $what 9 9]]
1369	set bool $_settings($what)
1370	if { $bool } {
1371	$itk_component(${axis}position) configure -state normal \
1372	-troughcolor white
1373	} else {
1374	$itk_component(${axis}position) configure -state disabled \
1375	-troughcolor grey82
1376	}
1377	SendCmd "cutplane axis $axis $bool"
1378	}
1379	"-cutplanexposition" - "-cutplaneyposition" - "-cutplanezposition" {
1380	set axis [string tolower [string range $what 9 9]]
1381	set pos [expr $_settings($what) * 0.01]
1382	SendCmd "cutplane slice ${axis} ${pos}"
1383	set _cutplanePending 0
1384	}
1385	"-colormap" {
1386	set _changed($what) 1
1387	StartBufferingCommands
1388	set color [$itk_component(colormap) value]
1389	set _settings($what) $color
1390	if { $color == "none" } {
1391	if { $_settings(-colormapvisible) } {
1392	SendCmd "glyphs colormode constant {}"
1393	set _settings(-colormapvisible) 0
1394	}
1395	} else {
1396	if { !$_settings(-colormapvisible) } {
1397	SendCmd "glyphs colormode $_colorMode $_curFldName"
1398	set _settings(-colormapvisible) 1
1399	}
1400	SetCurrentColormap $color
1401	}
1402	StopBufferingCommands
1403	EventuallyRequestLegend
1404	}
1405	"-glyphwireframe" {
1406	set bool $_settings($what)
1407	SendCmd "glyphs wireframe $bool"
1408	}
1409	"-glyphvisible" {
1410	set bool $_settings($what)
1411	SendCmd "glyphs visible 0"
1412	if { $bool } {
1413	foreach tag [CurrentDatasets -visible] {
1414	SendCmd "glyphs visible $bool $tag"
1415	}
1416	}
1417	if { $bool } {
1418	Rappture::Tooltip::for $itk_component(glyphs) \
1419	"Hide the glyph"
1420	} else {
1421	Rappture::Tooltip::for $itk_component(glyphs) \
1422	"Show the glyph"
1423	}
1424	DrawLegend
1425	}
1426	"-glyphlighting" {
1427	set bool $_settings($what)
1428	SendCmd "glyphs lighting $bool"
1429	}
1430	"-glyphedges" {
1431	set bool $_settings($what)
1432	SendCmd "glyphs edges $bool"
1433	}
1434	"-glyphoutline" {
1435	set bool $_settings($what)
1436	SendCmd "outline visible 0"
1437	if { $bool } {
1438	foreach tag [CurrentDatasets -visible] {
1439	SendCmd "outline visible $bool $tag"
1440	}
1441	}
1442	}
1443	"-glyphopacity" {
1444	set val $_settings($what)
1445	set sval [expr { 0.01 * double($val) }]
1446	SendCmd "glyphs opacity $sval"
1447	}
1448	"-glyphnormscale" {
1449	set bool $_settings($what)
1450	SendCmd "glyphs normscale $bool"
1451	}
1452	"-glyphorient" {
1453	set bool $_settings($what)
1454	SendCmd "glyphs gorient $bool {}"
1455	}
1456	"-glyphscale" {
1457	set val $_settings($what)
1458	if { [string is double $val] } {
1459	SendCmd "glyphs gscale $val"
1460	}
1461	}
1462	"-glyphscalemode" {
1463	set label [$itk_component(scaleMode) value]
1464	set mode [$itk_component(scaleMode) translate $label]
1465	set _settings($what) $mode
1466	SendCmd "glyphs smode $mode {}"
1467	}
1468	"-glyphshape" {
1469	set label [$itk_component(gshape) value]
1470	set shape [$itk_component(gshape) translate $label]
1471	set _settings($what) $shape
1472	SendCmd "glyphs shape $shape"
1473	}
1474	"-field" {
1475	set label [$itk_component(field) value]
1476	set fname [$itk_component(field) translate $label]
1477	set _settings($what) $fname
1478	if { [info exists _fields($fname)] } {
1479	foreach { label units components } $_fields($fname) break
1480	if { $components > 1 } {
1481	set _colorMode vmag
1482	} else {
1483	set _colorMode scalar
1484	}
1485	set _curFldName $fname
1486	set _curFldLabel $label
1487	} else {
1488	puts stderr "unknown field \"$fname\""
1489	return
1490	}
1491	#if { ![info exists _limits($_curFldName)] } {
1492	# SendCmd "dataset maprange all"
1493	#} else {
1494	# SendCmd "dataset maprange explicit $_limits($_curFldName) $_curFldName"
1495	#}
1496	#SendCmd "cutplane colormode $_colorMode $_curFldName"
1497	SendCmd "glyphs colormode $_colorMode $_curFldName"
1498	DrawLegend
1499	}
1500	"-legendvisible" {
1501	if { !$_settings($what) } {
1502	$itk_component(view) delete legend
1503	}
1504	DrawLegend
1505	}
1506	default {
1507	error "don't know how to fix $what"
1508	}
1509	}
1510	}
1511
1512	#
1513	# RequestLegend --
1514	#
1515	# Request a new legend from the server. The size of the legend
1516	# is determined from the height of the canvas.
1517	#
1518	# This should be called when
1519	# 1. A new current colormap is set.
1520	# 2. Window is resized.
1521	# 3. The limits of the data have changed. (Just need a redraw).
1522	# 4. Number of glyph have changed. (Just need a redraw).
1523	# 5. Legend becomes visible (Just need a redraw).
1524	#
1525	itcl::body Rappture::VtkGlyphViewer::RequestLegend {} {
1526	set _legendPending 0
1527	set font "Arial 8"
1528	set w 12
1529	set lineht [font metrics $font -linespace]
1530	# color ramp height = (canvas height) - (min and max value lines) - 2
1531	set h [expr {$_height - 2 * ($lineht + 2)}]
1532
1533	set fname $_curFldName
1534	if { [string match "component*" $fname] } {
1535	set title ""
1536	} else {
1537	if { [info exists _fields($fname)] } {
1538	foreach { title units } $_fields($fname) break
1539	if { $units != "" } {
1540	set title [format "%s (%s)" $title $units]
1541	}
1542	} else {
1543	set title $fname
1544	}
1545	}
1546	# If there's a title too, substract one more line
1547	if { $title != "" } {
1548	incr h -$lineht
1549	}
1550	if { $h < 1 } {
1551	return
1552	}
1553	# Set the legend on the first heightmap dataset.
1554	if { $_currentColormap != "" } {
1555	set cmap $_currentColormap
1556	if { ![info exists _colormaps($cmap)] } {
1557	BuildColormap $cmap
1558	set _colormaps($cmap) 1
1559	}
1560	#SendCmd "legend $cmap $_colorMode $_curFldName {} $w $h 0"
1561	SendCmd "legend2 $cmap $w $h"
1562	}
1563	}
1564
1565	# ----------------------------------------------------------------------
1566	# CONFIGURATION OPTION: -plotbackground
1567	# ----------------------------------------------------------------------
1568	itcl::configbody Rappture::VtkGlyphViewer::plotbackground {
1569	if { [isconnected] } {
1570	set rgb [Color2RGB $itk_option(-plotbackground)]
1571	SendCmd "screen bgcolor $rgb"
1572	}
1573	}
1574
1575	# ----------------------------------------------------------------------
1576	# CONFIGURATION OPTION: -plotforeground
1577	# ----------------------------------------------------------------------
1578	itcl::configbody Rappture::VtkGlyphViewer::plotforeground {
1579	if { [isconnected] } {
1580	set rgb [Color2RGB $itk_option(-plotforeground)]
1581	SendCmd "axis color all $rgb"
1582	SendCmd "outline color $rgb"
1583	#SendCmd "cutplane color $rgb"
1584	}
1585	}
1586
1587	itcl::body Rappture::VtkGlyphViewer::BuildGlyphTab {} {
1588
1589	set fg [option get $itk_component(hull) font Font]
1590	#set bfg [option get $itk_component(hull) boldFont Font]
1591
1592	set inner [$itk_component(main) insert end \
1593	-title "Glyph Settings" \
1594	-icon [Rappture::icon volume-on]]
1595	$inner configure -borderwidth 4
1596
1597	checkbutton $inner.glyphs \
1598	-text "Glyphs" \
1599	-variable [itcl::scope _settings(-glyphvisible)] \
1600	-command [itcl::code $this AdjustSetting -glyphvisible] \
1601	-font "Arial 9"
1602
1603	label $inner.gshape_l -text "Glyph shape" -font "Arial 9"
1604	itk_component add gshape {
1605	Rappture::Combobox $inner.gshape -width 10 -editable no
1606	}
1607	$inner.gshape choices insert end \
1608	"arrow" "arrow" \
1609	"cone" "cone" \
1610	"cube" "cube" \
1611	"cylinder" "cylinder" \
1612	"dodecahedron" "dodecahedron" \
1613	"icosahedron" "icosahedron" \
1614	"line" "line" \
1615	"octahedron" "octahedron" \
1616	"point" "point" \
1617	"sphere" "sphere" \
1618	"tetrahedron" "tetrahedron"
1619
1620	$itk_component(gshape) value $_settings(-glyphshape)
1621	bind $inner.gshape <<Value>> [itcl::code $this AdjustSetting -glyphshape]
1622
1623	label $inner.scaleMode_l -text "Scale by" -font "Arial 9"
1624	itk_component add scaleMode {
1625	Rappture::Combobox $inner.scaleMode -width 10 -editable no
1626	}
1627	$inner.scaleMode choices insert end \
1628	"scalar" "Scalar" \
1629	"vmag" "Vector magnitude" \
1630	"vcomp" "Vector components" \
1631	"off" "Constant size"
1632
1633	$itk_component(scaleMode) value "[$itk_component(scaleMode) label $_settings(-glyphscalemode)]"
1634	bind $inner.scaleMode <<Value>> [itcl::code $this AdjustSetting -glyphscalemode]
1635
1636	checkbutton $inner.normscale \
1637	-text "Normalize scaling" \
1638	-variable [itcl::scope _settings(-glyphnormscale)] \
1639	-command [itcl::code $this AdjustSetting -glyphnormscale] \
1640	-font "Arial 9"
1641	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"
1642
1643	checkbutton $inner.gorient \
1644	-text "Orient" \
1645	-variable [itcl::scope _settings(-glyphorient)] \
1646	-command [itcl::code $this AdjustSetting -glyphorient] \
1647	-font "Arial 9"
1648	Rappture::Tooltip::for $inner.gorient "Orient glyphs by vector field directions"
1649
1650	checkbutton $inner.wireframe \
1651	-text "Wireframe" \
1652	-variable [itcl::scope _settings(-glyphwireframe)] \
1653	-command [itcl::code $this AdjustSetting -glyphwireframe] \
1654	-font "Arial 9"
1655
1656	checkbutton $inner.lighting \
1657	-text "Enable Lighting" \
1658	-variable [itcl::scope _settings(-glyphlighting)] \
1659	-command [itcl::code $this AdjustSetting -glyphlighting] \
1660	-font "Arial 9"
1661
1662	checkbutton $inner.edges \
1663	-text "Edges" \
1664	-variable [itcl::scope _settings(-glyphedges)] \
1665	-command [itcl::code $this AdjustSetting -glyphedges] \
1666	-font "Arial 9"
1667
1668	checkbutton $inner.outline \
1669	-text "Outline" \
1670	-variable [itcl::scope _settings(-glyphoutline)] \
1671	-command [itcl::code $this AdjustSetting -glyphoutline] \
1672	-font "Arial 9"
1673
1674	checkbutton $inner.legend \
1675	-text "Legend" \
1676	-variable [itcl::scope _settings(-legendvisible)] \
1677	-command [itcl::code $this AdjustSetting -legendvisible] \
1678	-font "Arial 9"
1679
1680	label $inner.background_l -text "Background" -font "Arial 9"
1681	itk_component add background {
1682	Rappture::Combobox $inner.background -width 10 -editable no
1683	}
1684	$inner.background choices insert end \
1685	"black" "black" \
1686	"white" "white" \
1687	"grey" "grey"
1688
1689	$itk_component(background) value $_settings(-background)
1690	bind $inner.background <<Value>> [itcl::code $this AdjustSetting -background]
1691
1692	label $inner.opacity_l -text "Opacity" -font "Arial 9"
1693	::scale $inner.opacity -from 0 -to 100 -orient horizontal \
1694	-variable [itcl::scope _settings(-glyphopacity)] \
1695	-width 10 \
1696	-showvalue off \
1697	-command [itcl::code $this AdjustSetting -glyphopacity]
1698
1699	label $inner.gscale_l -text "Scale factor" -font "Arial 9"
1700	if {0} {
1701	::scale $inner.gscale -from 1 -to 100 -orient horizontal \
1702	-variable [itcl::scope _settings(-glyphscale)] \
1703	-width 10 \
1704	-showvalue off \
1705	-command [itcl::code $this AdjustSetting -glyphscale]
1706	} else {
1707	itk_component add gscale {
1708	entry $inner.gscale -font "Arial 9" -bg white \
1709	-textvariable [itcl::scope _settings(-glyphscale)]
1710	} {
1711	ignore -font -background
1712	}
1713	bind $inner.gscale <Return> \
1714	[itcl::code $this AdjustSetting -glyphscale]
1715	bind $inner.gscale <KP_Enter> \
1716	[itcl::code $this AdjustSetting -glyphscale]
1717	}
1718	Rappture::Tooltip::for $inner.gscale "Set scaling multiplier (or constant size)"
1719
1720	itk_component add field_l {
1721	label $inner.field_l -text "Color By" -font "Arial 9"
1722	} {
1723	ignore -font
1724	}
1725	itk_component add field {
1726	Rappture::Combobox $inner.field -width 10 -editable no
1727	}
1728	bind $inner.field <<Value>> \
1729	[itcl::code $this AdjustSetting -field]
1730
1731	label $inner.colormap_l -text "Colormap" -font "Arial 9"
1732	itk_component add colormap {
1733	Rappture::Combobox $inner.colormap -width 10 -editable no
1734	}
1735
1736	$inner.colormap choices insert end [GetColormapList]
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 -anchor w -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	blt::table configure $inner r0 -resize none
1859
1860	set labels { qx qy qz qw xpan ypan zoom }
1861	set row 1
1862	foreach tag $labels {
1863	label $inner.${tag}label -text $tag -font "Arial 9"
1864	entry $inner.${tag} -font "Arial 9" -bg white \
1865	-textvariable [itcl::scope _view(-$tag)]
1866	bind $inner.${tag} <Return> \
1867	[itcl::code $this camera set -${tag}]
1868	bind $inner.${tag} <KP_Enter> \
1869	[itcl::code $this camera set -${tag}]
1870	blt::table $inner \
1871	$row,0 $inner.${tag}label -anchor e -pady 2 \
1872	$row,1 $inner.${tag} -anchor w -pady 2
1873	blt::table configure $inner r$row -resize none
1874	incr row
1875	}
1876	checkbutton $inner.ortho \
1877	-text "Orthographic Projection" \
1878	-variable [itcl::scope _view(-ortho)] \
1879	-command [itcl::code $this camera set -ortho] \
1880	-font "Arial 9"
1881	blt::table $inner \
1882	$row,0 $inner.ortho -cspan 2 -anchor w -pady 2
1883	blt::table configure $inner r$row -resize none
1884	incr row
1885
1886	blt::table configure $inner c* -resize none
1887	blt::table configure $inner c2 -resize expand
1888	blt::table configure $inner r$row -resize expand
1889	}
1890
1891	itcl::body Rappture::VtkGlyphViewer::BuildCutplaneTab {} {
1892
1893	set fg [option get $itk_component(hull) font Font]
1894
1895	set inner [$itk_component(main) insert end \
1896	-title "Cutplane Settings" \
1897	-icon [Rappture::icon cutbutton]]
1898
1899	$inner configure -borderwidth 4
1900
1901	checkbutton $inner.visible \
1902	-text "Cutplanes" \
1903	-variable [itcl::scope _settings(-cutplanevisible)] \
1904	-command [itcl::code $this AdjustSetting -cutplanevisible] \
1905	-font "Arial 9"
1906
1907	checkbutton $inner.wireframe \
1908	-text "Wireframe" \
1909	-variable [itcl::scope _settings(-cutplanewireframe)] \
1910	-command [itcl::code $this AdjustSetting -cutplanewireframe] \
1911	-font "Arial 9"
1912
1913	checkbutton $inner.lighting \
1914	-text "Enable Lighting" \
1915	-variable [itcl::scope _settings(-cutplanelighting)] \
1916	-command [itcl::code $this AdjustSetting -cutplanelighting] \
1917	-font "Arial 9"
1918
1919	checkbutton $inner.edges \
1920	-text "Edges" \
1921	-variable [itcl::scope _settings(-cutplaneedges)] \
1922	-command [itcl::code $this AdjustSetting -cutplaneedges] \
1923	-font "Arial 9"
1924
1925	checkbutton $inner.preinterp \
1926	-text "Interpolate Scalars" \
1927	-variable [itcl::scope _settings(-cutplanepreinterp)] \
1928	-command [itcl::code $this AdjustSetting -cutplanepreinterp] \
1929	-font "Arial 9"
1930
1931	label $inner.opacity_l -text "Opacity" -font "Arial 9"
1932	::scale $inner.opacity -from 0 -to 100 -orient horizontal \
1933	-variable [itcl::scope _settings(-cutplaneopacity)] \
1934	-width 10 \
1935	-showvalue off \
1936	-command [itcl::code $this AdjustSetting -cutplaneopacity]
1937	$inner.opacity set $_settings(-cutplaneopacity)
1938
1939	# X-value slicer...
1940	itk_component add xbutton {
1941	Rappture::PushButton $inner.xbutton \
1942	-onimage [Rappture::icon x-cutplane-red] \
1943	-offimage [Rappture::icon x-cutplane-red] \
1944	-command [itcl::code $this AdjustSetting -cutplanexvisible] \
1945	-variable [itcl::scope _settings(-cutplanexvisible)] \
1946	}
1947	Rappture::Tooltip::for $itk_component(xbutton) \
1948	"Toggle the X-axis cutplane on/off"
1949	$itk_component(xbutton) select
1950	itk_component add xposition {
1951	::scale $inner.xval -from 100 -to 0 \
1952	-width 10 -orient vertical -showvalue yes \
1953	-borderwidth 1 -highlightthickness 0 \
1954	-command [itcl::code $this EventuallySetCutplane x] \
1955	-variable [itcl::scope _settings(-cutplanexposition)] \
1956	-foreground red2 -font "Arial 9 bold"
1957	} {
1958	usual
1959	ignore -borderwidth -highlightthickness -foreground -font -background
1960	}
1961	# Set the default cutplane value before disabling the scale.
1962	$itk_component(xposition) set 50
1963	$itk_component(xposition) configure -state disabled
1964	Rappture::Tooltip::for $itk_component(xposition) \
1965	"@[itcl::code $this Slice tooltip x]"
1966
1967	# Y-value slicer...
1968	itk_component add ybutton {
1969	Rappture::PushButton $inner.ybutton \
1970	-onimage [Rappture::icon y-cutplane-green] \
1971	-offimage [Rappture::icon y-cutplane-green] \
1972	-command [itcl::code $this AdjustSetting -cutplaneyvisible] \
1973	-variable [itcl::scope _settings(-cutplaneyvisible)] \
1974	}
1975	Rappture::Tooltip::for $itk_component(ybutton) \
1976	"Toggle the Y-axis cutplane on/off"
1977	$itk_component(ybutton) select
1978
1979	itk_component add yposition {
1980	::scale $inner.yval -from 100 -to 0 \
1981	-width 10 -orient vertical -showvalue yes \
1982	-borderwidth 1 -highlightthickness 0 \
1983	-command [itcl::code $this EventuallySetCutplane y] \
1984	-variable [itcl::scope _settings(-cutplaneyposition)] \
1985	-foreground green3 -font "Arial 9 bold"
1986	} {
1987	usual
1988	ignore -borderwidth -highlightthickness -foreground -font
1989	}
1990	Rappture::Tooltip::for $itk_component(yposition) \
1991	"@[itcl::code $this Slice tooltip y]"
1992	# Set the default cutplane value before disabling the scale.
1993	$itk_component(yposition) set 50
1994	$itk_component(yposition) configure -state disabled
1995
1996	# Z-value slicer...
1997	itk_component add zbutton {
1998	Rappture::PushButton $inner.zbutton \
1999	-onimage [Rappture::icon z-cutplane-blue] \
2000	-offimage [Rappture::icon z-cutplane-blue] \
2001	-command [itcl::code $this AdjustSetting -cutplanezvisible] \
2002	-variable [itcl::scope _settings(-cutplanezvisible)] \
2003	} {
2004	usual
2005	ignore -foreground
2006	}
2007	Rappture::Tooltip::for $itk_component(zbutton) \
2008	"Toggle the Z-axis cutplane on/off"
2009	$itk_component(zbutton) select
2010
2011	itk_component add zposition {
2012	::scale $inner.zval -from 100 -to 0 \
2013	-width 10 -orient vertical -showvalue yes \
2014	-borderwidth 1 -highlightthickness 0 \
2015	-command [itcl::code $this EventuallySetCutplane z] \
2016	-variable [itcl::scope _settings(-cutplanezposition)] \
2017	-foreground blue3 -font "Arial 9 bold"
2018	} {
2019	usual
2020	ignore -borderwidth -highlightthickness -foreground -font
2021	}
2022	$itk_component(zposition) set 50
2023	$itk_component(zposition) configure -state disabled
2024	Rappture::Tooltip::for $itk_component(zposition) \
2025	"@[itcl::code $this Slice tooltip z]"
2026
2027	blt::table $inner \
2028	0,0 $inner.visible -anchor w -pady 2 -cspan 3 \
2029	1,0 $inner.lighting -anchor w -pady 2 -cspan 3 \
2030	2,0 $inner.wireframe -anchor w -pady 2 -cspan 3 \
2031	3,0 $inner.edges -anchor w -pady 2 -cspan 3 \
2032	4,0 $inner.preinterp -anchor w -pady 2 -cspan 3 \
2033	5,0 $inner.opacity_l -anchor w -pady 2 -cspan 1 \
2034	5,1 $inner.opacity -fill x -pady 2 -cspan 3 \
2035	6,0 $inner.xbutton -anchor w -padx 2 -pady 2 \
2036	7,0 $inner.ybutton -anchor w -padx 2 -pady 2 \
2037	8,0 $inner.zbutton -anchor w -padx 2 -pady 2 \
2038	6,1 $inner.xval -fill y -rspan 4 \
2039	6,2 $inner.yval -fill y -rspan 4 \
2040	6,3 $inner.zval -fill y -rspan 4 \
2041
2042	blt::table configure $inner r* c* -resize none
2043	blt::table configure $inner r9 c4 -resize expand
2044	}
2045
2046	#
2047	# camera --
2048	#
2049	itcl::body Rappture::VtkGlyphViewer::camera {option args} {
2050	switch -- $option {
2051	"show" {
2052	puts [array get _view]
2053	}
2054	"set" {
2055	set what [lindex $args 0]
2056	set x $_view($what)
2057	set code [catch { string is double $x } result]
2058	if { $code != 0 \|\| !$result } {
2059	return
2060	}
2061	switch -- $what {
2062	"-ortho" {
2063	if {$_view($what)} {
2064	SendCmd "camera mode ortho"
2065	} else {
2066	SendCmd "camera mode persp"
2067	}
2068	}
2069	"-xpan" - "-ypan" {
2070	PanCamera
2071	}
2072	"-qx" - "-qy" - "-qz" - "-qw" {
2073	set q [ViewToQuaternion]
2074	$_arcball quaternion $q
2075	EventuallyRotate $q
2076	}
2077	"-zoom" {
2078	SendCmd "camera zoom $_view($what)"
2079	}
2080	}
2081	}
2082	}
2083	}
2084
2085	itcl::body Rappture::VtkGlyphViewer::GetVtkData { args } {
2086	set bytes ""
2087	foreach dataobj [get] {
2088	foreach cname [$dataobj components] {
2089	set tag $dataobj-$cname
2090	set contents [$dataobj vtkdata $cname]
2091	append bytes "$contents\n"
2092	}
2093	}
2094	return [list .vtk $bytes]
2095	}
2096
2097	itcl::body Rappture::VtkGlyphViewer::GetImage { args } {
2098	if { [image width $_image(download)] > 0 &&
2099	[image height $_image(download)] > 0 } {
2100	set bytes [$_image(download) data -format "jpeg -quality 100"]
2101	set bytes [Rappture::encoding::decode -as b64 $bytes]
2102	return [list .jpg $bytes]
2103	}
2104	return ""
2105	}
2106
2107	itcl::body Rappture::VtkGlyphViewer::BuildDownloadPopup { popup command } {
2108	Rappture::Balloon $popup \
2109	-title "[Rappture::filexfer::label downloadWord] as..."
2110	set inner [$popup component inner]
2111	label $inner.summary -text "" -anchor w
2112	radiobutton $inner.vtk_button -text "VTK data file" \
2113	-variable [itcl::scope _downloadPopup(format)] \
2114	-font "Arial 9 " \
2115	-value vtk
2116	Rappture::Tooltip::for $inner.vtk_button "Save as VTK data file."
2117	radiobutton $inner.image_button -text "Image File" \
2118	-variable [itcl::scope _downloadPopup(format)] \
2119	-font "Arial 9 " \
2120	-value image
2121	Rappture::Tooltip::for $inner.image_button \
2122	"Save as digital image."
2123
2124	button $inner.ok -text "Save" \
2125	-highlightthickness 0 -pady 2 -padx 3 \
2126	-command $command \
2127	-compound left \
2128	-image [Rappture::icon download]
2129
2130	button $inner.cancel -text "Cancel" \
2131	-highlightthickness 0 -pady 2 -padx 3 \
2132	-command [list $popup deactivate] \
2133	-compound left \
2134	-image [Rappture::icon cancel]
2135
2136	blt::table $inner \
2137	0,0 $inner.summary -cspan 2 \
2138	1,0 $inner.vtk_button -anchor w -cspan 2 -padx { 4 0 } \
2139	2,0 $inner.image_button -anchor w -cspan 2 -padx { 4 0 } \
2140	4,1 $inner.cancel -width .9i -fill y \
2141	4,0 $inner.ok -padx 2 -width .9i -fill y
2142	blt::table configure $inner r3 -height 4
2143	blt::table configure $inner r4 -pady 4
2144	raise $inner.image_button
2145	$inner.vtk_button invoke
2146	return $inner
2147	}
2148
2149	itcl::body Rappture::VtkGlyphViewer::SetObjectStyle { dataobj comp } {
2150	# Parse style string.
2151	set tag $dataobj-$comp
2152	array set style {
2153	-color BCGYR
2154	-edgecolor black
2155	-edges 0
2156	-gscale 1
2157	-lighting 1
2158	-linewidth 1.0
2159	-normscale 1
2160	-opacity 1.0
2161	-orientglyphs 1
2162	-outline 0
2163	-ptsize 1.0
2164	-quality 1
2165	-scalemode vmag
2166	-shape arrow
2167	-wireframe 0
2168	}
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	} else {
2175	set style(-shape) "sphere"
2176	set style(-orientglyphs) 0
2177	set style(-scalemode) "scalar"
2178	}
2179	array set style [$dataobj style $comp]
2180	# Backwards compat with camel case style option
2181	if { [info exists style(-orientGlyphs)] } {
2182	set style(-orientglyphs) $style(-orientGlyphs)
2183	array unset style -orientGlyphs
2184	}
2185	# Backwards compat with camel case style option
2186	if { [info exists style(-scaleMode)] } {
2187	set style(-scalemode) $style(-scaleMode)
2188	array unset style -scaleMode
2189	}
2190	if { $dataobj != $_first } {
2191	set style(-opacity) 1
2192	}
2193	if 0 {
2194	SendCmd "cutplane add $tag"
2195	SendCmd "cutplane visible 0 $tag"
2196	}
2197	# This is too complicated. We want to set the colormap, number of
2198	# glyph and opacity for the dataset. They can be the default values,
2199	# the style hints loaded with the dataset, or set by user controls. As
2200	# datasets get loaded, they first use the defaults that are overidden
2201	# by the style hints. If the user changes the global controls, then that
2202	# overrides everything else. I don't know what it means when global
2203	# controls are specified as style hints by each dataset. It complicates
2204	# the code to handle aberrant cases.
2205
2206	if { $_changed(-glyphopacity) } {
2207	set style(-opacity) [expr $_settings(-glyphopacity) * 0.01]
2208	}
2209	if { $_changed(-colormap) } {
2210	set style(-color) $_settings(-colormap)
2211	}
2212	if { $_currentColormap == "" } {
2213	$itk_component(colormap) value $style(-color)
2214	}
2215
2216	SendCmd "outline add $tag"
2217	SendCmd "outline color [Color2RGB $itk_option(-plotforeground)] $tag"
2218	SendCmd "outline visible $style(-outline) $tag"
2219	set _settings(-glyphoutline) $style(-outline)
2220
2221	SendCmd "glyphs add $style(-shape) $tag"
2222	set _settings(-glyphshape) $style(-shape)
2223	$itk_component(gshape) value $style(-shape)
2224	SendCmd "glyphs edges $style(-edges) $tag"
2225	set _settings(-glyphedges) $style(-edges)
2226
2227	# normscale=1 and gscale=1 are defaults
2228	if {$style(-normscale) != 1} {
2229	SendCmd "glyphs normscale $style(-normscale) $tag"
2230	}
2231	if {$style(-gscale) != 1} {
2232	SendCmd "glyphs gscale $style(-gscale) $tag"
2233	}
2234	set _settings(-glyphnormscale) $style(-normscale)
2235	set _settings(-glyphscale) $style(-gscale)
2236
2237	# constant color only used if colormode set to constant
2238	SendCmd "glyphs color [Color2RGB $itk_option(-plotforeground)] $tag"
2239	# Omitting field name for gorient and smode commands
2240	# defaults to active scalars or vectors depending on mode
2241	SendCmd "glyphs gorient $style(-orientglyphs) {} $tag"
2242	set _settings(-glyphorient) $style(-orientglyphs)
2243	SendCmd "glyphs smode $style(-scalemode) {} $tag"
2244	set _settings(-glyphscalemode) $style(-scalemode)
2245	$itk_component(scaleMode) value "[$itk_component(scaleMode) label $style(-scalemode)]"
2246	SendCmd "glyphs quality $style(-quality) $tag"
2247	SendCmd "glyphs lighting $style(-lighting) $tag"
2248	set _settings(-glyphlighting) $style(-lighting)
2249	SendCmd "glyphs linecolor [Color2RGB $style(-edgecolor)] $tag"
2250	SendCmd "glyphs linewidth $style(-linewidth) $tag"
2251	SendCmd "glyphs ptsize $style(-ptsize) $tag"
2252	SendCmd "glyphs opacity $style(-opacity) $tag"
2253	set _settings(-glyphopacity) [expr $style(-opacity) * 100.0]
2254	SetCurrentColormap $style(-color)
2255	SendCmd "glyphs wireframe $style(-wireframe) $tag"
2256	set _settings(-glyphwireframe) $style(-wireframe)
2257	}
2258
2259	itcl::body Rappture::VtkGlyphViewer::IsValidObject { dataobj } {
2260	if {[catch {$dataobj isa Rappture::Field} valid] != 0 \|\| !$valid} {
2261	return 0
2262	}
2263	return 1
2264	}
2265
2266	#
2267	# EnterLegend --
2268	#
2269	itcl::body Rappture::VtkGlyphViewer::EnterLegend { x y } {
2270	SetLegendTip $x $y
2271	}
2272
2273	#
2274	# MotionLegend --
2275	#
2276	itcl::body Rappture::VtkGlyphViewer::MotionLegend { x y } {
2277	Rappture::Tooltip::tooltip cancel
2278	set c $itk_component(view)
2279	set cw [winfo width $c]
2280	set ch [winfo height $c]
2281	if { $x >= 0 && $x < $cw && $y >= 0 && $y < $ch } {
2282	SetLegendTip $x $y
2283	}
2284	}
2285
2286	#
2287	# LeaveLegend --
2288	#
2289	itcl::body Rappture::VtkGlyphViewer::LeaveLegend { } {
2290	Rappture::Tooltip::tooltip cancel
2291	.rappturetooltip configure -icon ""
2292	}
2293
2294	#
2295	# SetLegendTip --
2296	#
2297	itcl::body Rappture::VtkGlyphViewer::SetLegendTip { x y } {
2298	set fname $_curFldName
2299	set c $itk_component(view)
2300	set w [winfo width $c]
2301	set h [winfo height $c]
2302
2303	set font "Arial 8"
2304	set lineht [font metrics $font -linespace]
2305
2306	set ih [image height $_image(legend)]
2307	set iy [expr $y - ($lineht + 2)]
2308
2309	if { [string match "component*" $fname] } {
2310	set title ""
2311	} else {
2312	if { [info exists _fields($fname)] } {
2313	foreach { title units } $_fields($fname) break
2314	if { $units != "" } {
2315	set title [format "%s (%s)" $title $units]
2316	}
2317	} else {
2318	set title $fname
2319	}
2320	}
2321	# If there's a legend title, increase the offset by the line height.
2322	if { $title != "" } {
2323	incr iy -$lineht
2324	}
2325	# Make a swatch of the selected color
2326	if { [catch { $_image(legend) get 10 $iy } pixel] != 0 } {
2327	return
2328	}
2329	if { ![info exists _image(swatch)] } {
2330	set _image(swatch) [image create photo -width 24 -height 24]
2331	}
2332	set color [eval format "\#%02x%02x%02x" $pixel]
2333	$_image(swatch) put black -to 0 0 23 23
2334	$_image(swatch) put $color -to 1 1 22 22
2335	.rappturetooltip configure -icon $_image(swatch)
2336
2337	# Compute the value of the point
2338	if { [info exists _limits($_curFldName)] } {
2339	foreach { vmin vmax } $_limits($_curFldName) break
2340	set t [expr 1.0 - (double($iy) / double($ih-1))]
2341	set value [expr $t * ($vmax - $vmin) + $vmin]
2342	} else {
2343	set value 0.0
2344	}
2345	set tx [expr $x + 15]
2346	set ty [expr $y - 5]
2347	Rappture::Tooltip::text $c [format "$title %g" $value]
2348	Rappture::Tooltip::tooltip show $c +$tx,+$ty
2349	}
2350
2351	# ----------------------------------------------------------------------
2352	# USAGE: Slice move x\|y\|z <newval>
2353	#
2354	# Called automatically when the user drags the slider to move the
2355	# cut plane that slices 3D data. Gets the current value from the
2356	# slider and moves the cut plane to the appropriate point in the
2357	# data set.
2358	# ----------------------------------------------------------------------
2359	itcl::body Rappture::VtkGlyphViewer::Slice {option args} {
2360	switch -- $option {
2361	"move" {
2362	set axis [lindex $args 0]
2363	set newval [lindex $args 1]
2364	if {[llength $args] != 2} {
2365	error "wrong # args: should be \"Slice move x\|y\|z newval\""
2366	}
2367	set newpos [expr {0.01*$newval}]
2368	SendCmd "cutplane slice $axis $newpos"
2369	}
2370	"tooltip" {
2371	set axis [lindex $args 0]
2372	set val [$itk_component(${axis}position) get]
2373	return "Move the [string toupper $axis] cut plane.\nCurrently: $axis = $val%"
2374	}
2375	default {
2376	error "bad option \"$option\": should be axis, move, or tooltip"
2377	}
2378	}
2379	}
2380
2381	#
2382	# ReceiveLegend --
2383	#
2384	# Invoked automatically whenever the "legend" command comes in from
2385	# the rendering server. Indicates that binary image data with the
2386	# specified <size> will follow.
2387	#
2388	itcl::body Rappture::VtkGlyphViewer::ReceiveLegend { colormap title min max size } {
2389	#puts stderr "ReceiveLegend colormap=$colormap title=$title range=$min,$max size=$size"
2390	set _title $title
2391	regsub {\(mag\)} $title "" _title
2392	if { [IsConnected] } {
2393	set bytes [ReceiveBytes $size]
2394	if { ![info exists _image(legend)] } {
2395	set _image(legend) [image create photo]
2396	}
2397	$_image(legend) configure -data $bytes
2398	#puts stderr "read $size bytes for [image width $_image(legend)]x[image height $_image(legend)] legend>"
2399	if { [catch {DrawLegend} errs] != 0 } {
2400	global errorInfo
2401	puts stderr "errs=$errs errorInfo=$errorInfo"
2402	}
2403	}
2404	}
2405
2406	#
2407	# DrawLegend --
2408	#
2409	# Draws the legend in the own canvas on the right side of the plot area.
2410	#
2411	itcl::body Rappture::VtkGlyphViewer::DrawLegend {} {
2412	set fname $_curFldName
2413	set c $itk_component(view)
2414	set w [winfo width $c]
2415	set h [winfo height $c]
2416	set font "Arial 8"
2417	set lineht [font metrics $font -linespace]
2418
2419	if { [string match "component*" $fname] } {
2420	set title ""
2421	} else {
2422	if { [info exists _fields($fname)] } {
2423	foreach { title units } $_fields($fname) break
2424	if { $units != "" } {
2425	set title [format "%s (%s)" $title $units]
2426	}
2427	} else {
2428	set title $fname
2429	}
2430	}
2431	set x [expr $w - 2]
2432	if { !$_settings(-legendvisible) } {
2433	$c delete legend
2434	return
2435	}
2436	if { [$c find withtag "legend"] == "" } {
2437	set y 2
2438	# If there's a legend title, create a text item for the title.
2439	$c create text $x $y \
2440	-anchor ne \
2441	-fill $itk_option(-plotforeground) -tags "title legend" \
2442	-font $font
2443	if { $title != "" } {
2444	incr y $lineht
2445	}
2446	$c create text $x $y \
2447	-anchor ne \
2448	-fill $itk_option(-plotforeground) -tags "vmax legend" \
2449	-font $font
2450	incr y $lineht
2451	$c create image $x $y \
2452	-anchor ne \
2453	-image $_image(legend) -tags "colormap legend"
2454	$c create rectangle $x $y 1 1 \
2455	-fill "" -outline "" -tags "sensor legend"
2456	$c create text $x [expr {$h-2}] \
2457	-anchor se \
2458	-fill $itk_option(-plotforeground) -tags "vmin legend" \
2459	-font $font
2460	$c bind sensor <Enter> [itcl::code $this EnterLegend %x %y]
2461	$c bind sensor <Leave> [itcl::code $this LeaveLegend]
2462	$c bind sensor <Motion> [itcl::code $this MotionLegend %x %y]
2463	}
2464	set x2 $x
2465	set iw [image width $_image(legend)]
2466	set ih [image height $_image(legend)]
2467	set x1 [expr $x2 - ($iw*12)/10]
2468
2469	$c bind title <ButtonPress> [itcl::code $this Combo post]
2470	$c bind title <Enter> [itcl::code $this Combo activate]
2471	$c bind title <Leave> [itcl::code $this Combo deactivate]
2472	# Reset the item coordinates according the current size of the plot.
2473	$c itemconfigure title -text $title
2474	if { [info exists _limits($_curFldName)] } {
2475	foreach { vmin vmax } $_limits($_curFldName) break
2476	$c itemconfigure vmin -text [format %g $vmin]
2477	$c itemconfigure vmax -text [format %g $vmax]
2478	}
2479	set y 2
2480	# If there's a legend title, move the title to the correct position
2481	if { $title != "" } {
2482	$c itemconfigure title -text $title
2483	$c coords title $x $y
2484	incr y $lineht
2485	$c raise title
2486	}
2487	$c coords vmax $x $y
2488	incr y $lineht
2489	$c coords colormap $x $y
2490	$c coords sensor [expr $x - $iw] $y $x [expr $y + $ih]
2491	$c raise sensor
2492	$c coords vmin $x [expr {$h - 2}]
2493	}
2494
2495	# ----------------------------------------------------------------------
2496	# USAGE: _dropdown post
2497	# USAGE: _dropdown unpost
2498	# USAGE: _dropdown select
2499	#
2500	# Used internally to handle the dropdown list for this combobox. The
2501	# post/unpost options are invoked when the list is posted or unposted
2502	# to manage the relief of the controlling button. The select option
2503	# is invoked whenever there is a selection from the list, to assign
2504	# the value back to the gauge.
2505	# ----------------------------------------------------------------------
2506	itcl::body Rappture::VtkGlyphViewer::Combo {option} {
2507	set c $itk_component(view)
2508	switch -- $option {
2509	post {
2510	foreach { x1 y1 x2 y2 } [$c bbox title] break
2511	set cw [winfo width $itk_component(view)]
2512	set mw [winfo reqwidth $itk_component(fieldmenu)]
2513	set x1 [expr $cw - $mw]
2514	set x [expr $x1 + [winfo rootx $itk_component(view)]]
2515	set y [expr $y2 + [winfo rooty $itk_component(view)]]
2516	tk_popup $itk_component(fieldmenu) $x $y
2517	}
2518	activate {
2519	$c itemconfigure title -fill red
2520	}
2521	deactivate {
2522	$c itemconfigure title -fill $itk_option(-plotforeground)
2523	}
2524	invoke {
2525	$itk_component(field) value $_curFldLabel
2526	AdjustSetting -field
2527	}
2528	default {
2529	error "bad option \"$option\": should be post, unpost, select"
2530	}
2531	}
2532	}
2533
2534	#
2535	# SetCurrentColormap --
2536	#
2537	itcl::body Rappture::VtkGlyphViewer::SetCurrentColormap { name } {
2538	# Keep track of the colormaps that we build.
2539	if { ![info exists _colormaps($name)] } {
2540	BuildColormap $name
2541	set _colormaps($name) 1
2542	}
2543	set _currentColormap $name
2544	SendCmd "glyphs colormap $_currentColormap"
2545	}
2546
2547	#
2548	# BuildColormap --
2549	#
2550	# Build the designated colormap on the server.
2551	#
2552	itcl::body Rappture::VtkGlyphViewer::BuildColormap { name } {
2553	set cmap [ColorsToColormap $name]
2554	if { [llength $cmap] == 0 } {
2555	set cmap "0.0 0.0 0.0 0.0 1.0 1.0 1.0 1.0"
2556	}
2557	set amap "0.0 1.0 1.0 1.0"
2558	SendCmd "colormap add $name { $cmap } { $amap }"
2559	}
2560
2561	itcl::body Rappture::VtkGlyphViewer::SetOrientation { side } {
2562	array set positions {
2563	front "1 0 0 0"
2564	back "0 0 1 0"
2565	left "0.707107 0 -0.707107 0"
2566	right "0.707107 0 0.707107 0"
2567	top "0.707107 -0.707107 0 0"
2568	bottom "0.707107 0.707107 0 0"
2569	}
2570	foreach name { -qw -qx -qy -qz } value $positions($side) {
2571	set _view($name) $value
2572	}
2573	set q [ViewToQuaternion]
2574	$_arcball quaternion $q
2575	SendCmd "camera orient $q"
2576	SendCmd "camera reset"
2577	set _view(-xpan) 0
2578	set _view(-ypan) 0
2579	set _view(-zoom) 1.0
2580	}

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