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source: trunk/gui/scripts/vtkglyphviewer.tcl @ 5184

Last change on this file since 5184 was 5184, checked in by ldelgass, 9 years ago
s/wmap/amap/
File size: 88.8 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 _obj2datasets
116	private variable _obj2ovride ; # maps dataobj => style override
117	private variable _datasets ; # contains all the dataobj-component
118	; # datasets in the server
119	private variable _colormaps ; # contains all the colormaps
120	; # in the server.
121	# The name of the current colormap used. The colormap is global to all
122	# heightmaps displayed.
123	private variable _currentColormap ""
124
125	private variable _dataset2style ;# maps dataobj-component to transfunc
126
127	private variable _click ; # info used for rotate operations
128	private variable _limits ; # autoscale min/max for all axes
129	private variable _view ; # view params for 3D view
130	private variable _settings
131	private variable _style; # Array of current component styles.
132	private variable _changed
133	private variable _initialStyle; # Array of initial component styles.
134	private variable _reset 1; # Connection to server has been reset.
135
136	private variable _first "" ; # This is the topmost dataset.
137	private variable _start 0
138	private variable _title ""
139
140	common _downloadPopup; # download options from popup
141	private common _hardcopy
142	private variable _width 0
143	private variable _height 0
144	private variable _resizePending 0
145	private variable _rotatePending 0
146	private variable _cutplanePending 0
147	private variable _legendPending 0
148	private variable _field ""
149	private variable _colorMode "vmag"; # Mode of colormap (vmag or scalar)
150	private variable _fieldNames {}
151	private variable _fields
152	private variable _curFldName ""
153	private variable _curFldLabel ""
154	}
155
156	itk::usual VtkGlyphViewer {
157	keep -background -foreground -cursor -font
158	keep -plotbackground -plotforeground
159	}
160
161	# ----------------------------------------------------------------------
162	# CONSTRUCTOR
163	# ----------------------------------------------------------------------
164	itcl::body Rappture::VtkGlyphViewer::constructor {hostlist args} {
165	package require vtk
166	set _serverType "vtkvis"
167
168	# Rebuild event
169	$_dispatcher register !rebuild
170	$_dispatcher dispatch $this !rebuild "[itcl::code $this Rebuild]; list"
171
172	# Resize event
173	$_dispatcher register !resize
174	$_dispatcher dispatch $this !resize "[itcl::code $this DoResize]; list"
175
176	# Rotate event
177	$_dispatcher register !rotate
178	$_dispatcher dispatch $this !rotate "[itcl::code $this DoRotate]; list"
179
180	# Legend event
181	$_dispatcher register !legend
182	$_dispatcher dispatch $this !legend "[itcl::code $this RequestLegend]; list"
183
184	# X-Cutplane event
185	$_dispatcher register !xcutplane
186	$_dispatcher dispatch $this !xcutplane \
187	"[itcl::code $this AdjustSetting -cutplanexposition]; list"
188
189	# Y-Cutplane event
190	$_dispatcher register !ycutplane
191	$_dispatcher dispatch $this !ycutplane \
192	"[itcl::code $this AdjustSetting -cutplaneyposition]; list"
193
194	# Z-Cutplane event
195	$_dispatcher register !zcutplane
196	$_dispatcher dispatch $this !zcutplane \
197	"[itcl::code $this AdjustSetting -cutplanezposition]; list"
198
199	#
200	# Populate parser with commands handle incoming requests
201	#
202	$_parser alias image [itcl::code $this ReceiveImage]
203	$_parser alias dataset [itcl::code $this ReceiveDataset]
204	$_parser alias legend [itcl::code $this ReceiveLegend]
205
206	# Initialize the view to some default parameters.
207	array set _view {
208	-ortho 0
209	-qw 0.853553
210	-qx -0.353553
211	-qy 0.353553
212	-qz 0.146447
213	-xpan 0
214	-ypan 0
215	-zoom 1.0
216	}
217	set _arcball [blt::arcball create 100 100]
218	$_arcball quaternion [ViewToQuaternion]
219
220	array set _settings [subst {
221	-axesvisible 1
222	-axislabels 1
223	-axisminorticks 1
224	-axismode "static"
225	-background black
226	-colormap BCGYR
227	-colormapvisible 1
228	-cutplaneedges 0
229	-cutplanelighting 1
230	-cutplanepreinterp 1
231	-cutplaneopacity 100
232	-cutplanevisible 0
233	-cutplanewireframe 0
234	-cutplanexposition 50
235	-cutplanexvisible 1
236	-cutplaneyposition 50
237	-cutplaneyvisible 1
238	-cutplanezposition 50
239	-cutplanezvisible 1
240	-field "Default"
241	-glyphedges 0
242	-glyphlighting 1
243	-glyphnormscale 1
244	-glyphopacity 100
245	-glyphorient 1
246	-glyphoutline 0
247	-glyphscale 1
248	-glyphscalemode "vmag"
249	-glyphshape "arrow"
250	-glyphvisible 1
251	-glyphwireframe 0
252	-legendvisible 1
253	-saveglyphopacity 100
254	-xgrid 0
255	-ygrid 0
256	-zgrid 0
257	}]
258	array set _changed {
259	-colormap 0
260	-glyphopacity 0
261	}
262
263	itk_component add view {
264	canvas $itk_component(plotarea).view \
265	-highlightthickness 0 -borderwidth 0
266	} {
267	usual
268	ignore -highlightthickness -borderwidth -background
269	}
270
271	itk_component add fieldmenu {
272	menu $itk_component(plotarea).menu -bg black -fg white -relief flat \
273	-tearoff no
274	} {
275	usual
276	ignore -background -foreground -relief -tearoff
277	}
278	set c $itk_component(view)
279	bind $c <Configure> [itcl::code $this EventuallyResize %w %h]
280	bind $c <4> [itcl::code $this Zoom in 0.25]
281	bind $c <5> [itcl::code $this Zoom out 0.25]
282	bind $c <KeyPress-Left> [list %W xview scroll 10 units]
283	bind $c <KeyPress-Right> [list %W xview scroll -10 units]
284	bind $c <KeyPress-Up> [list %W yview scroll 10 units]
285	bind $c <KeyPress-Down> [list %W yview scroll -10 units]
286	bind $c <Enter> "focus %W"
287	bind $c <Control-F1> [itcl::code $this ToggleConsole]
288
289	# Fix the scrollregion in case we go off screen
290	$c configure -scrollregion [$c bbox all]
291
292	set _map(id) [$c create image 0 0 -anchor nw -image $_image(plot)]
293	set _map(cwidth) -1
294	set _map(cheight) -1
295	set _map(zoom) 1.0
296	set _map(original) ""
297
298	set f [$itk_component(main) component controls]
299	itk_component add reset {
300	button $f.reset -borderwidth 1 -padx 1 -pady 1 \
301	-highlightthickness 0 \
302	-image [Rappture::icon reset-view] \
303	-command [itcl::code $this Zoom reset]
304	} {
305	usual
306	ignore -highlightthickness
307	}
308	pack $itk_component(reset) -side top -padx 2 -pady 2
309	Rappture::Tooltip::for $itk_component(reset) \
310	"Reset the view to the default zoom level"
311
312	itk_component add zoomin {
313	button $f.zin -borderwidth 1 -padx 1 -pady 1 \
314	-highlightthickness 0 \
315	-image [Rappture::icon zoom-in] \
316	-command [itcl::code $this Zoom in]
317	} {
318	usual
319	ignore -highlightthickness
320	}
321	pack $itk_component(zoomin) -side top -padx 2 -pady 2
322	Rappture::Tooltip::for $itk_component(zoomin) "Zoom in"
323
324	itk_component add zoomout {
325	button $f.zout -borderwidth 1 -padx 1 -pady 1 \
326	-highlightthickness 0 \
327	-image [Rappture::icon zoom-out] \
328	-command [itcl::code $this Zoom out]
329	} {
330	usual
331	ignore -highlightthickness
332	}
333	pack $itk_component(zoomout) -side top -padx 2 -pady 2
334	Rappture::Tooltip::for $itk_component(zoomout) "Zoom out"
335
336	itk_component add glyphs {
337	Rappture::PushButton $f.glyphs \
338	-onimage [Rappture::icon volume-on] \
339	-offimage [Rappture::icon volume-off] \
340	-variable [itcl::scope _settings(-glyphvisible)] \
341	-command [itcl::code $this AdjustSetting -glyphvisible]
342	}
343	$itk_component(glyphs) select
344	Rappture::Tooltip::for $itk_component(glyphs) \
345	"Don't display the glyphs"
346	pack $itk_component(glyphs) -padx 2 -pady 2
347
348	if {0} {
349	itk_component add cutplane {
350	Rappture::PushButton $f.cutplane \
351	-onimage [Rappture::icon cutbutton] \
352	-offimage [Rappture::icon cutbutton] \
353	-variable [itcl::scope _settings(-cutplanevisible)] \
354	-command [itcl::code $this AdjustSetting -cutplanevisible]
355	}
356	Rappture::Tooltip::for $itk_component(cutplane) \
357	"Show/Hide cutplanes"
358	pack $itk_component(cutplane) -padx 2 -pady 2
359	}
360
361	if { [catch {
362	BuildGlyphTab
363	#BuildCutplaneTab
364	BuildAxisTab
365	BuildCameraTab
366	} errs] != 0 } {
367	puts stderr errs=$errs
368	}
369	# Legend
370
371	set _image(legend) [image create photo]
372	itk_component add legend {
373	canvas $itk_component(plotarea).legend -width 50 -highlightthickness 0
374	} {
375	usual
376	ignore -highlightthickness
377	rename -background -plotbackground plotBackground Background
378	}
379
380	# Hack around the Tk panewindow. The problem is that the requested
381	# size of the 3d view isn't set until an image is retrieved from
382	# the server. So the panewindow uses the tiny size.
383	set w 10000
384	pack forget $itk_component(view)
385	blt::table $itk_component(plotarea) \
386	0,0 $itk_component(view) -fill both -reqwidth $w
387	blt::table configure $itk_component(plotarea) c1 -resize none
388
389	# Bindings for rotation via mouse
390	bind $itk_component(view) <ButtonPress-1> \
391	[itcl::code $this Rotate click %x %y]
392	bind $itk_component(view) <B1-Motion> \
393	[itcl::code $this Rotate drag %x %y]
394	bind $itk_component(view) <ButtonRelease-1> \
395	[itcl::code $this Rotate release %x %y]
396
397	# Bindings for panning via mouse
398	bind $itk_component(view) <ButtonPress-2> \
399	[itcl::code $this Pan click %x %y]
400	bind $itk_component(view) <B2-Motion> \
401	[itcl::code $this Pan drag %x %y]
402	bind $itk_component(view) <ButtonRelease-2> \
403	[itcl::code $this Pan release %x %y]
404
405	#bind $itk_component(view) <ButtonRelease-3> \
406	# [itcl::code $this Pick %x %y]
407
408	# Bindings for panning via keyboard
409	bind $itk_component(view) <KeyPress-Left> \
410	[itcl::code $this Pan set -10 0]
411	bind $itk_component(view) <KeyPress-Right> \
412	[itcl::code $this Pan set 10 0]
413	bind $itk_component(view) <KeyPress-Up> \
414	[itcl::code $this Pan set 0 -10]
415	bind $itk_component(view) <KeyPress-Down> \
416	[itcl::code $this Pan set 0 10]
417	bind $itk_component(view) <Shift-KeyPress-Left> \
418	[itcl::code $this Pan set -2 0]
419	bind $itk_component(view) <Shift-KeyPress-Right> \
420	[itcl::code $this Pan set 2 0]
421	bind $itk_component(view) <Shift-KeyPress-Up> \
422	[itcl::code $this Pan set 0 -2]
423	bind $itk_component(view) <Shift-KeyPress-Down> \
424	[itcl::code $this Pan set 0 2]
425
426	# Bindings for zoom via keyboard
427	bind $itk_component(view) <KeyPress-Prior> \
428	[itcl::code $this Zoom out]
429	bind $itk_component(view) <KeyPress-Next> \
430	[itcl::code $this Zoom in]
431
432	bind $itk_component(view) <Enter> "focus $itk_component(view)"
433
434	if {[string equal "x11" [tk windowingsystem]]} {
435	# Bindings for zoom via mouse
436	bind $itk_component(view) <4> [itcl::code $this Zoom out]
437	bind $itk_component(view) <5> [itcl::code $this Zoom in]
438	}
439
440	set _image(download) [image create photo]
441
442	eval itk_initialize $args
443
444	EnableWaitDialog 900
445	Connect
446	}
447
448	# ----------------------------------------------------------------------
449	# DESTRUCTOR
450	# ----------------------------------------------------------------------
451	itcl::body Rappture::VtkGlyphViewer::destructor {} {
452	Disconnect
453	image delete $_image(plot)
454	image delete $_image(download)
455	catch { blt::arcball destroy $_arcball }
456	}
457
458	itcl::body Rappture::VtkGlyphViewer::DoResize {} {
459	if { $_width < 2 } {
460	set _width 500
461	}
462	if { $_height < 2 } {
463	set _height 500
464	}
465	set _start [clock clicks -milliseconds]
466	SendCmd "screen size $_width $_height"
467
468	EventuallyRequestLegend
469	set _resizePending 0
470	}
471
472	itcl::body Rappture::VtkGlyphViewer::DoRotate {} {
473	SendCmd "camera orient [ViewToQuaternion]"
474	set _rotatePending 0
475	}
476
477	itcl::body Rappture::VtkGlyphViewer::EventuallyRequestLegend {} {
478	if { !$_legendPending } {
479	set _legendPending 1
480	$_dispatcher event -idle !legend
481	}
482	}
483
484	itcl::body Rappture::VtkGlyphViewer::EventuallyResize { w h } {
485	set _width $w
486	set _height $h
487	$_arcball resize $w $h
488	if { !$_resizePending } {
489	set _resizePending 1
490	$_dispatcher event -after 400 !resize
491	}
492	}
493
494	set rotate_delay 100
495
496	itcl::body Rappture::VtkGlyphViewer::EventuallyRotate { q } {
497	QuaternionToView $q
498	if { !$_rotatePending } {
499	set _rotatePending 1
500	global rotate_delay
501	$_dispatcher event -after $rotate_delay !rotate
502	}
503	}
504
505	itcl::body Rappture::VtkGlyphViewer::EventuallySetCutplane { axis args } {
506	if { !$_cutplanePending } {
507	set _cutplanePending 1
508	$_dispatcher event -after 100 !${axis}cutplane
509	}
510	}
511
512	# ----------------------------------------------------------------------
513	# USAGE: add <dataobj> ?<settings>?
514	#
515	# Clients use this to add a data object to the plot. The optional
516	# <settings> are used to configure the plot. Allowed settings are
517	# -color, -brightness, -width, -linestyle, and -raise.
518	# ----------------------------------------------------------------------
519	itcl::body Rappture::VtkGlyphViewer::add {dataobj {settings ""}} {
520	if { ![$dataobj isvalid] } {
521	return; # Object doesn't contain valid data.
522	}
523	array set params {
524	-color auto
525	-width 1
526	-linestyle solid
527	-brightness 0
528	-raise 0
529	-description ""
530	-param ""
531	-type ""
532	}
533	array set params $settings
534	set params(-description) ""
535	set params(-param) ""
536	array set params $settings
537
538	if {$params(-color) == "auto" \|\| $params(-color) == "autoreset"} {
539	# can't handle -autocolors yet
540	set params(-color) black
541	}
542	set pos [lsearch -exact $_dlist $dataobj]
543	if {$pos < 0} {
544	lappend _dlist $dataobj
545	}
546	set _obj2ovride($dataobj-color) $params(-color)
547	set _obj2ovride($dataobj-width) $params(-width)
548	set _obj2ovride($dataobj-raise) $params(-raise)
549	$_dispatcher event -idle !rebuild
550	}
551
552	# ----------------------------------------------------------------------
553	# USAGE: delete ?<dataobj1> <dataobj2> ...?
554	#
555	# Clients use this to delete a dataobj from the plot. If no dataobjs
556	# are specified, then all dataobjs are deleted. No data objects are
557	# deleted. They are only removed from the display list.
558	#
559	# ----------------------------------------------------------------------
560	itcl::body Rappture::VtkGlyphViewer::delete {args} {
561	if { [llength $args] == 0} {
562	set args $_dlist
563	}
564	# Delete all specified dataobjs
565	set changed 0
566	foreach dataobj $args {
567	set pos [lsearch -exact $_dlist $dataobj]
568	if { $pos < 0 } {
569	continue; # Don't know anything about it.
570	}
571	# Remove it from the dataobj list.
572	set _dlist [lreplace $_dlist $pos $pos]
573	array unset _obj2ovride $dataobj-*
574	array unset _settings $dataobj-*
575	set changed 1
576	}
577	# If anything changed, then rebuild the plot
578	if { $changed } {
579	$_dispatcher event -idle !rebuild
580	}
581	}
582
583	# ----------------------------------------------------------------------
584	# USAGE: get ?-objects?
585	# USAGE: get ?-visible?
586	# USAGE: get ?-image view?
587	#
588	# Clients use this to query the list of objects being plotted, in
589	# order from bottom to top of this result. The optional "-image"
590	# flag can also request the internal images being shown.
591	# ----------------------------------------------------------------------
592	itcl::body Rappture::VtkGlyphViewer::get {args} {
593	if {[llength $args] == 0} {
594	set args "-objects"
595	}
596
597	set op [lindex $args 0]
598	switch -- $op {
599	"-objects" {
600	# put the dataobj list in order according to -raise options
601	set dlist {}
602	foreach dataobj $_dlist {
603	if { ![IsValidObject $dataobj] } {
604	continue
605	}
606	if {[info exists _obj2ovride($dataobj-raise)] &&
607	$_obj2ovride($dataobj-raise)} {
608	set dlist [linsert $dlist 0 $dataobj]
609	} else {
610	lappend dlist $dataobj
611	}
612	}
613	return $dlist
614	}
615	"-visible" {
616	set dlist {}
617	foreach dataobj $_dlist {
618	if { ![IsValidObject $dataobj] } {
619	continue
620	}
621	if { ![info exists _obj2ovride($dataobj-raise)] } {
622	# No setting indicates that the object isn't visible.
623	continue
624	}
625	# Otherwise use the -raise parameter to put the object to
626	# the front of the list.
627	if { $_obj2ovride($dataobj-raise) } {
628	set dlist [linsert $dlist 0 $dataobj]
629	} else {
630	lappend dlist $dataobj
631	}
632	}
633	return $dlist
634	}
635	-image {
636	if {[llength $args] != 2} {
637	error "wrong # args: should be \"get -image view\""
638	}
639	switch -- [lindex $args end] {
640	view {
641	return $_image(plot)
642	}
643	default {
644	error "bad image name \"[lindex $args end]\": should be view"
645	}
646	}
647	}
648	default {
649	error "bad option \"$op\": should be -objects or -image"
650	}
651	}
652	}
653
654	# ----------------------------------------------------------------------
655	# USAGE: scale ?<data1> <data2> ...?
656	#
657	# Sets the default limits for the overall plot according to the
658	# limits of the data for all of the given <data> objects. This
659	# accounts for all objects--even those not showing on the screen.
660	# Because of this, the limits are appropriate for all objects as
661	# the user scans through data in the ResultSet viewer.
662	# ----------------------------------------------------------------------
663	itcl::body Rappture::VtkGlyphViewer::scale { args } {
664	foreach dataobj $args {
665	if { ![$dataobj isvalid] } {
666	continue; # Object doesn't contain valid data.
667	}
668	foreach axis { x y z } {
669	set lim [$dataobj limits $axis]
670	if { ![info exists _limits($axis)] } {
671	set _limits($axis) $lim
672	continue
673	}
674	foreach {min max} $lim break
675	foreach {amin amax} $_limits($axis) break
676	if { $amin > $min } {
677	set amin $min
678	}
679	if { $amax < $max } {
680	set amax $max
681	}
682	set _limits($axis) [list $amin $amax]
683	}
684	foreach { fname lim } [$dataobj fieldlimits] {
685	if { ![info exists _limits($fname)] } {
686	set _limits($fname) $lim
687	continue
688	}
689	foreach {min max} $lim break
690	foreach {fmin fmax} $_limits($fname) break
691	if { $fmin > $min } {
692	set fmin $min
693	}
694	if { $fmax < $max } {
695	set fmax $max
696	}
697	set _limits($fname) [list $fmin $fmax]
698	}
699	}
700	}
701
702	# ----------------------------------------------------------------------
703	# USAGE: download coming
704	# USAGE: download controls <downloadCommand>
705	# USAGE: download now
706	#
707	# Clients use this method to create a downloadable representation
708	# of the plot. Returns a list of the form {ext string}, where
709	# "ext" is the file extension (indicating the type of data) and
710	# "string" is the data itself.
711	# ----------------------------------------------------------------------
712	itcl::body Rappture::VtkGlyphViewer::download {option args} {
713	switch $option {
714	coming {
715	if {[catch {
716	blt::winop snap $itk_component(plotarea) $_image(download)
717	}]} {
718	$_image(download) configure -width 1 -height 1
719	$_image(download) put #000000
720	}
721	}
722	controls {
723	set popup .vtkviewerdownload
724	if { ![winfo exists .vtkviewerdownload] } {
725	set inner [BuildDownloadPopup $popup [lindex $args 0]]
726	} else {
727	set inner [$popup component inner]
728	}
729	set _downloadPopup(image_controls) $inner.image_frame
730	set num [llength [get]]
731	set num [expr {($num == 1) ? "1 result" : "$num results"}]
732	set word [Rappture::filexfer::label downloadWord]
733	$inner.summary configure -text "$word $num in the following format:"
734	update idletasks ;# Fix initial sizes
735	return $popup
736	}
737	now {
738	set popup .vtkviewerdownload
739	if {[winfo exists .vtkviewerdownload]} {
740	$popup deactivate
741	}
742	switch -- $_downloadPopup(format) {
743	"image" {
744	return [$this GetImage [lindex $args 0]]
745	}
746	"vtk" {
747	return [$this GetVtkData [lindex $args 0]]
748	}
749	}
750	return ""
751	}
752	default {
753	error "bad option \"$option\": should be coming, controls, now"
754	}
755	}
756	}
757
758	# ----------------------------------------------------------------------
759	# USAGE: Connect ?<host:port>,<host:port>...?
760	#
761	# Clients use this method to establish a connection to a new
762	# server, or to reestablish a connection to the previous server.
763	# Any existing connection is automatically closed.
764	# ----------------------------------------------------------------------
765	itcl::body Rappture::VtkGlyphViewer::Connect {} {
766	set _hosts [GetServerList "vtkvis"]
767	if { "" == $_hosts } {
768	return 0
769	}
770	set _reset 1
771	set result [VisViewer::Connect $_hosts]
772	if { $result } {
773	if { $_reportClientInfo } {
774	# Tell the server the viewer, hub, user and session.
775	# Do this immediately on connect before buffering any commands
776	global env
777
778	set info {}
779	set user "???"
780	if { [info exists env(USER)] } {
781	set user $env(USER)
782	}
783	set session "???"
784	if { [info exists env(SESSION)] } {
785	set session $env(SESSION)
786	}
787	lappend info "version" "$Rappture::version"
788	lappend info "build" "$Rappture::build"
789	lappend info "svnurl" "$Rappture::svnurl"
790	lappend info "installdir" "$Rappture::installdir"
791	lappend info "hub" [exec hostname]
792	lappend info "client" "vtkglyphviewer"
793	lappend info "user" $user
794	lappend info "session" $session
795	SendCmd "clientinfo [list $info]"
796	}
797
798	set w [winfo width $itk_component(view)]
799	set h [winfo height $itk_component(view)]
800	EventuallyResize $w $h
801	}
802	return $result
803	}
804
805	#
806	# isconnected --
807	#
808	# Indicates if we are currently connected to the visualization server.
809	#
810	itcl::body Rappture::VtkGlyphViewer::isconnected {} {
811	return [VisViewer::IsConnected]
812	}
813
814	#
815	# disconnect --
816	#
817	itcl::body Rappture::VtkGlyphViewer::disconnect {} {
818	Disconnect
819	set _reset 1
820	}
821
822	#
823	# Disconnect --
824	#
825	# Clients use this method to disconnect from the current rendering
826	# server.
827	#
828	itcl::body Rappture::VtkGlyphViewer::Disconnect {} {
829	VisViewer::Disconnect
830
831	$_dispatcher cancel !rebuild
832	$_dispatcher cancel !resize
833	$_dispatcher cancel !rotate
834	$_dispatcher cancel !xcutplane
835	$_dispatcher cancel !ycutplane
836	$_dispatcher cancel !zcutplane
837	$_dispatcher cancel !legend
838	# disconnected -- no more data sitting on server
839	array unset _datasets
840	array unset _data
841	array unset _colormaps
842	array unset _dataset2style
843	array unset _obj2datasets
844	}
845
846	# ----------------------------------------------------------------------
847	# USAGE: ReceiveImage -bytes <size> -type <type> -token <token>
848	#
849	# Invoked automatically whenever the "image" command comes in from
850	# the rendering server. Indicates that binary image data with the
851	# specified <size> will follow.
852	# ----------------------------------------------------------------------
853	itcl::body Rappture::VtkGlyphViewer::ReceiveImage { args } {
854	array set info {
855	-token "???"
856	-bytes 0
857	-type image
858	}
859	array set info $args
860	set bytes [ReceiveBytes $info(-bytes)]
861	if { $info(-type) == "image" } {
862	if 0 {
863	set f [open "last.ppm" "w"]
864	fconfigure $f -encoding binary
865	puts -nonewline $f $bytes
866	close $f
867	}
868	$_image(plot) configure -data $bytes
869	set time [clock seconds]
870	set date [clock format $time]
871	#puts stderr "$date: received image [image width $_image(plot)]x[image height $_image(plot)] image>"
872	if { $_start > 0 } {
873	set finish [clock clicks -milliseconds]
874	#puts stderr "round trip time [expr $finish -$_start] milliseconds"
875	set _start 0
876	}
877	} elseif { $info(type) == "print" } {
878	set tag $this-print-$info(-token)
879	set _hardcopy($tag) $bytes
880	}
881	}
882
883	#
884	# ReceiveDataset --
885	#
886	itcl::body Rappture::VtkGlyphViewer::ReceiveDataset { args } {
887	if { ![isconnected] } {
888	return
889	}
890	set option [lindex $args 0]
891	switch -- $option {
892	"scalar" {
893	set option [lindex $args 1]
894	switch -- $option {
895	"world" {
896	foreach { x y z value tag } [lrange $args 2 end] break
897	}
898	"pixel" {
899	foreach { x y value tag } [lrange $args 2 end] break
900	}
901	}
902	}
903	"vector" {
904	set option [lindex $args 1]
905	switch -- $option {
906	"world" {
907	foreach { x y z vx vy vz tag } [lrange $args 2 end] break
908	}
909	"pixel" {
910	foreach { x y vx vy vz tag } [lrange $args 2 end] break
911	}
912	}
913	}
914	"names" {
915	foreach { name } [lindex $args 1] {
916	#puts stderr "Dataset: $name"
917	}
918	}
919	default {
920	error "unknown dataset option \"$option\" from server"
921	}
922	}
923	}
924
925	# ----------------------------------------------------------------------
926	# USAGE: Rebuild
927	#
928	# Called automatically whenever something changes that affects the
929	# data in the widget. Clears any existing data and rebuilds the
930	# widget to display new data.
931	# ----------------------------------------------------------------------
932	itcl::body Rappture::VtkGlyphViewer::Rebuild {} {
933	set w [winfo width $itk_component(view)]
934	set h [winfo height $itk_component(view)]
935	if { $w < 2 \|\| $h < 2 } {
936	update
937	$_dispatcher event -idle !rebuild
938	return
939	}
940
941	# Turn on buffering of commands to the server. We don't want to
942	# be preempted by a server disconnect/reconnect (which automatically
943	# generates a new call to Rebuild).
944	StartBufferingCommands
945
946	if { $_reset } {
947	set _width $w
948	set _height $h
949	$_arcball resize $w $h
950	DoResize
951	#
952	# Reset the camera and other view parameters
953	#
954	$_arcball quaternion [ViewToQuaternion]
955	if {$_view(-ortho)} {
956	SendCmd "camera mode ortho"
957	} else {
958	SendCmd "camera mode persp"
959	}
960	DoRotate
961	PanCamera
962	set _first ""
963	InitSettings -xgrid -ygrid -zgrid -axismode \
964	-axesvisible -axislabels -axisminorticks
965	#SendCmd "axis lformat all %g"
966	StopBufferingCommands
967	SendCmd "imgflush"
968	StartBufferingCommands
969	}
970	set _first ""
971	SendCmd "dataset visible 0"
972	foreach dataobj [get -objects] {
973	if { [info exists _obj2ovride($dataobj-raise)] && $_first == "" } {
974	set _first $dataobj
975	}
976	set _obj2datasets($dataobj) ""
977	foreach comp [$dataobj components] {
978	set tag $dataobj-$comp
979	if { ![info exists _datasets($tag)] } {
980	set bytes [$dataobj vtkdata $comp]
981	if 0 {
982	set f [open "/tmp/glyph.vtk" "w"]
983	fconfigure $f -translation binary -encoding binary
984	puts -nonewline $f $bytes
985	close $f
986	}
987	set length [string length $bytes]
988	if { $_reportClientInfo } {
989	set info {}
990	lappend info "tool_id" [$dataobj hints toolid]
991	lappend info "tool_name" [$dataobj hints toolname]
992	lappend info "tool_title" [$dataobj hints tooltitle]
993	lappend info "tool_command" [$dataobj hints toolcommand]
994	lappend info "tool_revision" [$dataobj hints toolrevision]
995	lappend info "dataset_label" [$dataobj hints label]
996	lappend info "dataset_size" $length
997	lappend info "dataset_tag" $tag
998	SendCmd "clientinfo [list $info]"
999	}
1000	SendCmd "dataset add $tag data follows $length"
1001	SendData $bytes
1002	set _datasets($tag) 1
1003	SetObjectStyle $dataobj $comp
1004	}
1005	lappend _obj2datasets($dataobj) $tag
1006	if { [info exists _obj2ovride($dataobj-raise)] } {
1007	# Setting dataset visible enables outline
1008	# and glyphs
1009	SendCmd "dataset visible 1 $tag"
1010	}
1011	}
1012	}
1013
1014	if { $_first != "" } {
1015	$itk_component(field) choices delete 0 end
1016	$itk_component(fieldmenu) delete 0 end
1017	array unset _fields
1018	set _curFldName ""
1019	foreach cname [$_first components] {
1020	foreach fname [$_first fieldnames $cname] {
1021	if { [info exists _fields($fname)] } {
1022	continue
1023	}
1024	foreach { label units components } \
1025	[$_first fieldinfo $fname] break
1026	$itk_component(field) choices insert end "$fname" "$label"
1027	$itk_component(fieldmenu) add radiobutton -label "$label" \
1028	-value $label -variable [itcl::scope _curFldLabel] \
1029	-selectcolor red \
1030	-activebackground $itk_option(-plotbackground) \
1031	-activeforeground $itk_option(-plotforeground) \
1032	-font "Arial 8" \
1033	-command [itcl::code $this Combo invoke]
1034	set _fields($fname) [list $label $units $components]
1035	if { $_curFldName == "" } {
1036	set _curFldName $fname
1037	set _curFldLabel $label
1038	}
1039	}
1040	}
1041	$itk_component(field) value $_curFldLabel
1042	}
1043	InitSettings -glyphoutline
1044	#-cutplanevisible
1045	if { $_reset } {
1046	# These are settings that rely on a dataset being loaded.
1047	InitSettings \
1048	-field \
1049	-glyphedges -glyphlighting -glyphnormscale -glyphopacity \
1050	-glyphorient -glyphscale -glyphscalemode -glyphshape -glyphwireframe
1051
1052	#-cutplanexposition -cutplaneyposition -cutplanezposition \
1053	-cutplanexvisible -cutplaneyvisible -cutplanezvisible \
1054	-cutplanepreinterp
1055
1056	Zoom reset
1057	foreach axis { x y z } {
1058	set label ""
1059	if { $_first != "" } {
1060	set label [$_first hints ${axis}label]
1061	}
1062	if { $label == "" } {
1063	set label [string toupper $axis]
1064	}
1065	# May be a space in the axis label.
1066	SendCmd [list axis name $axis $label]
1067	}
1068	if { [array size _fields] < 2 } {
1069	catch {blt::table forget $itk_component(field) $itk_component(field_l)}
1070	}
1071	set _reset 0
1072	}
1073
1074	# Actually write the commands to the server socket. If it fails, we don't
1075	# care. We're finished here.
1076	blt::busy hold $itk_component(hull)
1077	StopBufferingCommands; # Turn off buffering and send commands.
1078	blt::busy release $itk_component(hull)
1079	}
1080
1081	# ----------------------------------------------------------------------
1082	# USAGE: CurrentDatasets ?-all -visible? ?dataobjs?
1083	#
1084	# Returns a list of server IDs for the current datasets being displayed. This
1085	# is normally a single ID, but it might be a list of IDs if the current data
1086	# object has multiple components.
1087	# ----------------------------------------------------------------------
1088	itcl::body Rappture::VtkGlyphViewer::CurrentDatasets {args} {
1089	set flag [lindex $args 0]
1090	switch -- $flag {
1091	"-all" {
1092	if { [llength $args] > 1 } {
1093	error "CurrentDatasets: can't specify dataobj after \"-all\""
1094	}
1095	set dlist [get -objects]
1096	}
1097	"-visible" {
1098	if { [llength $args] > 1 } {
1099	set dlist {}
1100	set args [lrange $args 1 end]
1101	foreach dataobj $args {
1102	if { [info exists _obj2ovride($dataobj-raise)] } {
1103	lappend dlist $dataobj
1104	}
1105	}
1106	} else {
1107	set dlist [get -visible]
1108	}
1109	}
1110	default {
1111	set dlist $args
1112	}
1113	}
1114	set rlist ""
1115	foreach dataobj $dlist {
1116	foreach comp [$dataobj components] {
1117	set tag $dataobj-$comp
1118	if { [info exists _datasets($tag)] && $_datasets($tag) } {
1119	lappend rlist $tag
1120	}
1121	}
1122	}
1123	return $rlist
1124	}
1125
1126	# ----------------------------------------------------------------------
1127	# USAGE: Zoom in
1128	# USAGE: Zoom out
1129	# USAGE: Zoom reset
1130	#
1131	# Called automatically when the user clicks on one of the zoom
1132	# controls for this widget. Changes the zoom for the current view.
1133	# ----------------------------------------------------------------------
1134	itcl::body Rappture::VtkGlyphViewer::Zoom {option} {
1135	switch -- $option {
1136	"in" {
1137	set _view(-zoom) [expr {$_view(-zoom)*1.25}]
1138	SendCmd "camera zoom $_view(-zoom)"
1139	}
1140	"out" {
1141	set _view(-zoom) [expr {$_view(-zoom)*0.8}]
1142	SendCmd "camera zoom $_view(-zoom)"
1143	}
1144	"reset" {
1145	array set _view {
1146	-qw 0.853553
1147	-qx -0.353553
1148	-qy 0.353553
1149	-qz 0.146447
1150	-xpan 0
1151	-ypan 0
1152	-zoom 1.0
1153	}
1154	if { $_first != "" } {
1155	set location [$_first hints camera]
1156	if { $location != "" } {
1157	array set _view $location
1158	}
1159	}
1160	$_arcball quaternion [ViewToQuaternion]
1161	DoRotate
1162	SendCmd "camera reset"
1163	}
1164	}
1165	}
1166
1167	itcl::body Rappture::VtkGlyphViewer::PanCamera {} {
1168	set x $_view(-xpan)
1169	set y $_view(-ypan)
1170	SendCmd "camera pan $x $y"
1171	}
1172
1173	# ----------------------------------------------------------------------
1174	# USAGE: Rotate click <x> <y>
1175	# USAGE: Rotate drag <x> <y>
1176	# USAGE: Rotate release <x> <y>
1177	#
1178	# Called automatically when the user clicks/drags/releases in the
1179	# plot area. Moves the plot according to the user's actions.
1180	# ----------------------------------------------------------------------
1181	itcl::body Rappture::VtkGlyphViewer::Rotate {option x y} {
1182	switch -- $option {
1183	"click" {
1184	$itk_component(view) configure -cursor fleur
1185	set _click(x) $x
1186	set _click(y) $y
1187	}
1188	"drag" {
1189	if {[array size _click] == 0} {
1190	Rotate click $x $y
1191	} else {
1192	set w [winfo width $itk_component(view)]
1193	set h [winfo height $itk_component(view)]
1194	if {$w <= 0 \|\| $h <= 0} {
1195	return
1196	}
1197
1198	if {[catch {
1199	# this fails sometimes for no apparent reason
1200	set dx [expr {double($x-$_click(x))/$w}]
1201	set dy [expr {double($y-$_click(y))/$h}]
1202	}]} {
1203	return
1204	}
1205	if { $dx == 0 && $dy == 0 } {
1206	return
1207	}
1208	set q [$_arcball rotate $x $y $_click(x) $_click(y)]
1209	EventuallyRotate $q
1210	set _click(x) $x
1211	set _click(y) $y
1212	}
1213	}
1214	"release" {
1215	Rotate drag $x $y
1216	$itk_component(view) configure -cursor ""
1217	catch {unset _click}
1218	}
1219	default {
1220	error "bad option \"$option\": should be click, drag, release"
1221	}
1222	}
1223	}
1224
1225	itcl::body Rappture::VtkGlyphViewer::Pick {x y} {
1226	foreach tag [CurrentDatasets -visible] {
1227	SendCmd "dataset getscalar pixel $x $y $tag"
1228	}
1229	}
1230
1231	# ----------------------------------------------------------------------
1232	# USAGE: $this Pan click x y
1233	# $this Pan drag x y
1234	# $this Pan release x y
1235	#
1236	# Called automatically when the user clicks on one of the zoom
1237	# controls for this widget. Changes the zoom for the current view.
1238	# ----------------------------------------------------------------------
1239	itcl::body Rappture::VtkGlyphViewer::Pan {option x y} {
1240	switch -- $option {
1241	"set" {
1242	set w [winfo width $itk_component(view)]
1243	set h [winfo height $itk_component(view)]
1244	set x [expr $x / double($w)]
1245	set y [expr $y / double($h)]
1246	set _view(-xpan) [expr $_view(-xpan) + $x]
1247	set _view(-ypan) [expr $_view(-ypan) + $y]
1248	PanCamera
1249	return
1250	}
1251	"click" {
1252	set _click(x) $x
1253	set _click(y) $y
1254	$itk_component(view) configure -cursor hand1
1255	}
1256	"drag" {
1257	if { ![info exists _click(x)] } {
1258	set _click(x) $x
1259	}
1260	if { ![info exists _click(y)] } {
1261	set _click(y) $y
1262	}
1263	set w [winfo width $itk_component(view)]
1264	set h [winfo height $itk_component(view)]
1265	set dx [expr ($_click(x) - $x)/double($w)]
1266	set dy [expr ($_click(y) - $y)/double($h)]
1267	set _click(x) $x
1268	set _click(y) $y
1269	set _view(-xpan) [expr $_view(-xpan) - $dx]
1270	set _view(-ypan) [expr $_view(-ypan) - $dy]
1271	PanCamera
1272	}
1273	"release" {
1274	Pan drag $x $y
1275	$itk_component(view) configure -cursor ""
1276	}
1277	default {
1278	error "unknown option \"$option\": should set, click, drag, or release"
1279	}
1280	}
1281	}
1282
1283	# ----------------------------------------------------------------------
1284	# USAGE: InitSettings <what> ?<value>?
1285	#
1286	# Used internally to update rendering settings whenever parameters
1287	# change in the popup settings panel. Sends the new settings off
1288	# to the back end.
1289	# ----------------------------------------------------------------------
1290	itcl::body Rappture::VtkGlyphViewer::InitSettings { args } {
1291	foreach spec $args {
1292	if { [info exists _settings($_first${spec})] } {
1293	# Reset global setting with dataobj specific setting
1294	set _settings($spec) $_settings($_first${spec})
1295	}
1296	AdjustSetting $spec
1297	}
1298	}
1299
1300	#
1301	# AdjustSetting --
1302	#
1303	# Changes/updates a specific setting in the widget. There are
1304	# usually user-setable option. Commands are sent to the render
1305	# server.
1306	#
1307	itcl::body Rappture::VtkGlyphViewer::AdjustSetting {what {value ""}} {
1308	if { ![isconnected] } {
1309	return
1310	}
1311	switch -- $what {
1312	"-background" {
1313	set bgcolor [$itk_component(background) value]
1314	array set fgcolors {
1315	"black" "white"
1316	"white" "black"
1317	"grey" "black"
1318	}
1319	configure -plotbackground $bgcolor \
1320	-plotforeground $fgcolors($bgcolor)
1321	$itk_component(view) delete "legend"
1322	DrawLegend
1323	}
1324	"-axesvisible" {
1325	set bool $_settings($what)
1326	SendCmd "axis visible all $bool"
1327	}
1328	"-axislabels" {
1329	set bool $_settings($what)
1330	SendCmd "axis labels all $bool"
1331	}
1332	"-axisminorticks" {
1333	set bool $_settings($what)
1334	SendCmd "axis minticks all $bool"
1335	}
1336	"-xgrid" - "-ygrid" - "-zgrid" {
1337	set axis [string tolower [string range $what 1 1]]
1338	set bool $_settings($what)
1339	SendCmd "axis grid $axis $bool"
1340	}
1341	"-axismode" {
1342	set mode [$itk_component(axisMode) value]
1343	set mode [$itk_component(axisMode) translate $mode]
1344	set _settings($what) $mode
1345	SendCmd "axis flymode $mode"
1346	}
1347	"-cutplaneedges" {
1348	set bool $_settings($what)
1349	SendCmd "cutplane edges $bool"
1350	}
1351	"-cutplanevisible" {
1352	set bool $_settings($what)
1353	SendCmd "cutplane visible 0"
1354	if { $bool } {
1355	foreach tag [CurrentDatasets -visible] {
1356	SendCmd "cutplane visible $bool $tag"
1357	}
1358	}
1359	}
1360	"-cutplanewireframe" {
1361	set bool $_settings($what)
1362	SendCmd "cutplane wireframe $bool"
1363	}
1364	"-cutplanelighting" {
1365	set bool $_settings($what)
1366	SendCmd "cutplane lighting $bool"
1367	}
1368	"-cutplaneopacity" {
1369	set val $_settings($what)
1370	set sval [expr { 0.01 * double($val) }]
1371	SendCmd "cutplane opacity $sval"
1372	}
1373	"-cutplanepreinterp" {
1374	set bool $_settings($what)
1375	SendCmd "cutplane preinterp $bool"
1376	}
1377	"-cutplanexvisible" - "-cutplaneyvisible" - "-cutplanezvisible" {
1378	set axis [string tolower [string range $what 9 9]]
1379	set bool $_settings($what)
1380	if { $bool } {
1381	$itk_component(${axis}position) configure -state normal \
1382	-troughcolor white
1383	} else {
1384	$itk_component(${axis}position) configure -state disabled \
1385	-troughcolor grey82
1386	}
1387	SendCmd "cutplane axis $axis $bool"
1388	}
1389	"-cutplanexposition" - "-cutplaneyposition" - "-cutplanezposition" {
1390	set axis [string tolower [string range $what 9 9]]
1391	set pos [expr $_settings($what) * 0.01]
1392	SendCmd "cutplane slice ${axis} ${pos}"
1393	set _cutplanePending 0
1394	}
1395	"-colormap" {
1396	set _changed($what) 1
1397	StartBufferingCommands
1398	set color [$itk_component(colormap) value]
1399	set _settings($what) $color
1400	if { $color == "none" } {
1401	if { $_settings(-colormapvisible) } {
1402	SendCmd "glyphs colormode constant {}"
1403	set _settings(-colormapvisible) 0
1404	}
1405	} else {
1406	if { !$_settings(-colormapvisible) } {
1407	SendCmd "glyphs colormode $_colorMode $_curFldName"
1408	set _settings(-colormapvisible) 1
1409	}
1410	SetCurrentColormap $color
1411	}
1412	StopBufferingCommands
1413	EventuallyRequestLegend
1414	}
1415	"-glyphwireframe" {
1416	set bool $_settings($what)
1417	SendCmd "glyphs wireframe $bool"
1418	}
1419	"-glyphvisible" {
1420	set bool $_settings($what)
1421	SendCmd "glyphs visible 0"
1422	if { $bool } {
1423	foreach tag [CurrentDatasets -visible] {
1424	SendCmd "glyphs visible $bool $tag"
1425	}
1426	}
1427	if { $bool } {
1428	Rappture::Tooltip::for $itk_component(glyphs) \
1429	"Hide the glyph"
1430	} else {
1431	Rappture::Tooltip::for $itk_component(glyphs) \
1432	"Show the glyph"
1433	}
1434	DrawLegend
1435	}
1436	"-glyphlighting" {
1437	set bool $_settings($what)
1438	SendCmd "glyphs lighting $bool"
1439	}
1440	"-glyphedges" {
1441	set bool $_settings($what)
1442	SendCmd "glyphs edges $bool"
1443	}
1444	"-glyphoutline" {
1445	set bool $_settings($what)
1446	SendCmd "outline visible 0"
1447	if { $bool } {
1448	foreach tag [CurrentDatasets -visible] {
1449	SendCmd "outline visible $bool $tag"
1450	}
1451	}
1452	}
1453	"-glyphopacity" {
1454	set val $_settings($what)
1455	set sval [expr { 0.01 * double($val) }]
1456	SendCmd "glyphs opacity $sval"
1457	}
1458	"-glyphnormscale" {
1459	set bool $_settings($what)
1460	SendCmd "glyphs normscale $bool"
1461	}
1462	"-glyphorient" {
1463	set bool $_settings($what)
1464	SendCmd "glyphs gorient $bool {}"
1465	}
1466	"-glyphscale" {
1467	set val $_settings($what)
1468	if { [string is double $val] } {
1469	SendCmd "glyphs gscale $val"
1470	}
1471	}
1472	"-glyphscalemode" {
1473	set label [$itk_component(scaleMode) value]
1474	set mode [$itk_component(scaleMode) translate $label]
1475	set _settings($what) $mode
1476	SendCmd "glyphs smode $mode {}"
1477	}
1478	"-glyphshape" {
1479	set label [$itk_component(gshape) value]
1480	set shape [$itk_component(gshape) translate $label]
1481	set _settings($what) $shape
1482	SendCmd "glyphs shape $shape"
1483	}
1484	"-field" {
1485	set label [$itk_component(field) value]
1486	set fname [$itk_component(field) translate $label]
1487	set _settings($what) $fname
1488	if { [info exists _fields($fname)] } {
1489	foreach { label units components } $_fields($fname) break
1490	if { $components > 1 } {
1491	set _colorMode vmag
1492	} else {
1493	set _colorMode scalar
1494	}
1495	set _curFldName $fname
1496	set _curFldLabel $label
1497	} else {
1498	puts stderr "unknown field \"$fname\""
1499	return
1500	}
1501	#if { ![info exists _limits($_curFldName)] } {
1502	# SendCmd "dataset maprange all"
1503	#} else {
1504	# SendCmd "dataset maprange explicit $_limits($_curFldName) $_curFldName"
1505	#}
1506	#SendCmd "cutplane colormode $_colorMode $_curFldName"
1507	SendCmd "glyphs colormode $_colorMode $_curFldName"
1508	DrawLegend
1509	}
1510	"-legendvisible" {
1511	if { !$_settings($what) } {
1512	$itk_component(view) delete legend
1513	}
1514	DrawLegend
1515	}
1516	default {
1517	error "don't know how to fix $what"
1518	}
1519	}
1520	}
1521
1522	#
1523	# RequestLegend --
1524	#
1525	# Request a new legend from the server. The size of the legend
1526	# is determined from the height of the canvas.
1527	#
1528	# This should be called when
1529	# 1. A new current colormap is set.
1530	# 2. Window is resized.
1531	# 3. The limits of the data have changed. (Just need a redraw).
1532	# 4. Number of glyph have changed. (Just need a redraw).
1533	# 5. Legend becomes visible (Just need a redraw).
1534	#
1535	itcl::body Rappture::VtkGlyphViewer::RequestLegend {} {
1536	set _legendPending 0
1537	set font "Arial 8"
1538	set w 12
1539	set lineht [font metrics $font -linespace]
1540	# color ramp height = (canvas height) - (min and max value lines) - 2
1541	set h [expr {$_height - 2 * ($lineht + 2)}]
1542
1543	set fname $_curFldName
1544	if { [string match "component*" $fname] } {
1545	set title ""
1546	} else {
1547	if { [info exists _fields($fname)] } {
1548	foreach { title units } $_fields($fname) break
1549	if { $units != "" } {
1550	set title [format "%s (%s)" $title $units]
1551	}
1552	} else {
1553	set title $fname
1554	}
1555	}
1556	# If there's a title too, substract one more line
1557	if { $title != "" } {
1558	incr h -$lineht
1559	}
1560	if { $h < 1 } {
1561	return
1562	}
1563	# Set the legend on the first heightmap dataset.
1564	if { $_currentColormap != "" } {
1565	set cmap $_currentColormap
1566	if { ![info exists _colormaps($cmap)] } {
1567	BuildColormap $cmap
1568	set _colormaps($cmap) 1
1569	}
1570	#SendCmd "legend $cmap $_colorMode $_curFldName {} $w $h 0"
1571	SendCmd "legend2 $cmap $w $h"
1572	}
1573	}
1574
1575	# ----------------------------------------------------------------------
1576	# CONFIGURATION OPTION: -plotbackground
1577	# ----------------------------------------------------------------------
1578	itcl::configbody Rappture::VtkGlyphViewer::plotbackground {
1579	if { [isconnected] } {
1580	set rgb [Color2RGB $itk_option(-plotbackground)]
1581	SendCmd "screen bgcolor $rgb"
1582	}
1583	}
1584
1585	# ----------------------------------------------------------------------
1586	# CONFIGURATION OPTION: -plotforeground
1587	# ----------------------------------------------------------------------
1588	itcl::configbody Rappture::VtkGlyphViewer::plotforeground {
1589	if { [isconnected] } {
1590	set rgb [Color2RGB $itk_option(-plotforeground)]
1591	SendCmd "axis color all $rgb"
1592	SendCmd "outline color $rgb"
1593	#SendCmd "cutplane color $rgb"
1594	}
1595	}
1596
1597	itcl::body Rappture::VtkGlyphViewer::BuildGlyphTab {} {
1598
1599	set fg [option get $itk_component(hull) font Font]
1600	#set bfg [option get $itk_component(hull) boldFont Font]
1601
1602	set inner [$itk_component(main) insert end \
1603	-title "Glyph Settings" \
1604	-icon [Rappture::icon volume-on]]
1605	$inner configure -borderwidth 4
1606
1607	checkbutton $inner.glyphs \
1608	-text "Glyphs" \
1609	-variable [itcl::scope _settings(-glyphvisible)] \
1610	-command [itcl::code $this AdjustSetting -glyphvisible] \
1611	-font "Arial 9"
1612
1613	label $inner.gshape_l -text "Glyph shape" -font "Arial 9"
1614	itk_component add gshape {
1615	Rappture::Combobox $inner.gshape -width 10 -editable no
1616	}
1617	$inner.gshape choices insert end \
1618	"arrow" "arrow" \
1619	"cone" "cone" \
1620	"cube" "cube" \
1621	"cylinder" "cylinder" \
1622	"dodecahedron" "dodecahedron" \
1623	"icosahedron" "icosahedron" \
1624	"line" "line" \
1625	"octahedron" "octahedron" \
1626	"point" "point" \
1627	"sphere" "sphere" \
1628	"tetrahedron" "tetrahedron"
1629
1630	$itk_component(gshape) value $_settings(-glyphshape)
1631	bind $inner.gshape <<Value>> [itcl::code $this AdjustSetting -glyphshape]
1632
1633	label $inner.scaleMode_l -text "Scale by" -font "Arial 9"
1634	itk_component add scaleMode {
1635	Rappture::Combobox $inner.scaleMode -width 10 -editable no
1636	}
1637	$inner.scaleMode choices insert end \
1638	"scalar" "Scalar" \
1639	"vmag" "Vector magnitude" \
1640	"vcomp" "Vector components" \
1641	"off" "Constant size"
1642
1643	$itk_component(scaleMode) value "[$itk_component(scaleMode) label $_settings(-glyphscalemode)]"
1644	bind $inner.scaleMode <<Value>> [itcl::code $this AdjustSetting -glyphscalemode]
1645
1646	checkbutton $inner.normscale \
1647	-text "Normalize scaling" \
1648	-variable [itcl::scope _settings(-glyphnormscale)] \
1649	-command [itcl::code $this AdjustSetting -glyphnormscale] \
1650	-font "Arial 9"
1651	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"
1652
1653	checkbutton $inner.gorient \
1654	-text "Orient" \
1655	-variable [itcl::scope _settings(-glyphorient)] \
1656	-command [itcl::code $this AdjustSetting -glyphorient] \
1657	-font "Arial 9"
1658	Rappture::Tooltip::for $inner.gorient "Orient glyphs by vector field directions"
1659
1660	checkbutton $inner.wireframe \
1661	-text "Wireframe" \
1662	-variable [itcl::scope _settings(-glyphwireframe)] \
1663	-command [itcl::code $this AdjustSetting -glyphwireframe] \
1664	-font "Arial 9"
1665
1666	checkbutton $inner.lighting \
1667	-text "Enable Lighting" \
1668	-variable [itcl::scope _settings(-glyphlighting)] \
1669	-command [itcl::code $this AdjustSetting -glyphlighting] \
1670	-font "Arial 9"
1671
1672	checkbutton $inner.edges \
1673	-text "Edges" \
1674	-variable [itcl::scope _settings(-glyphedges)] \
1675	-command [itcl::code $this AdjustSetting -glyphedges] \
1676	-font "Arial 9"
1677
1678	checkbutton $inner.outline \
1679	-text "Outline" \
1680	-variable [itcl::scope _settings(-glyphoutline)] \
1681	-command [itcl::code $this AdjustSetting -glyphoutline] \
1682	-font "Arial 9"
1683
1684	checkbutton $inner.legend \
1685	-text "Legend" \
1686	-variable [itcl::scope _settings(-legendvisible)] \
1687	-command [itcl::code $this AdjustSetting -legendvisible] \
1688	-font "Arial 9"
1689
1690	label $inner.background_l -text "Background" -font "Arial 9"
1691	itk_component add background {
1692	Rappture::Combobox $inner.background -width 10 -editable no
1693	}
1694	$inner.background choices insert end \
1695	"black" "black" \
1696	"white" "white" \
1697	"grey" "grey"
1698
1699	$itk_component(background) value $_settings(-background)
1700	bind $inner.background <<Value>> [itcl::code $this AdjustSetting -background]
1701
1702	label $inner.opacity_l -text "Opacity" -font "Arial 9"
1703	::scale $inner.opacity -from 0 -to 100 -orient horizontal \
1704	-variable [itcl::scope _settings(-glyphopacity)] \
1705	-width 10 \
1706	-showvalue off \
1707	-command [itcl::code $this AdjustSetting -glyphopacity]
1708
1709	label $inner.gscale_l -text "Scale factor" -font "Arial 9"
1710	if {0} {
1711	::scale $inner.gscale -from 1 -to 100 -orient horizontal \
1712	-variable [itcl::scope _settings(-glyphscale)] \
1713	-width 10 \
1714	-showvalue off \
1715	-command [itcl::code $this AdjustSetting -glyphscale]
1716	} else {
1717	itk_component add gscale {
1718	entry $inner.gscale -font "Arial 9" -bg white \
1719	-textvariable [itcl::scope _settings(-glyphscale)]
1720	} {
1721	ignore -font -background
1722	}
1723	bind $inner.gscale <Return> \
1724	[itcl::code $this AdjustSetting -glyphscale]
1725	bind $inner.gscale <KP_Enter> \
1726	[itcl::code $this AdjustSetting -glyphscale]
1727	}
1728	Rappture::Tooltip::for $inner.gscale "Set scaling multiplier (or constant size)"
1729
1730	itk_component add field_l {
1731	label $inner.field_l -text "Color By" -font "Arial 9"
1732	} {
1733	ignore -font
1734	}
1735	itk_component add field {
1736	Rappture::Combobox $inner.field -width 10 -editable no
1737	}
1738	bind $inner.field <<Value>> \
1739	[itcl::code $this AdjustSetting -field]
1740
1741	label $inner.colormap_l -text "Colormap" -font "Arial 9"
1742	itk_component add colormap {
1743	Rappture::Combobox $inner.colormap -width 10 -editable no
1744	}
1745	$inner.colormap choices insert end [GetColormapList -includeNone]
1746	$itk_component(colormap) value "BCGYR"
1747	bind $inner.colormap <<Value>> \
1748	[itcl::code $this AdjustSetting -colormap]
1749
1750	blt::table $inner \
1751	0,0 $inner.field_l -anchor w -pady 2 \
1752	0,1 $inner.field -anchor w -pady 2 -fill x \
1753	1,0 $inner.colormap_l -anchor w -pady 2 \
1754	1,1 $inner.colormap -anchor w -pady 2 -fill x \
1755	2,0 $inner.gshape_l -anchor w -pady 2 \
1756	2,1 $inner.gshape -anchor w -pady 2 -fill x \
1757	3,0 $inner.background_l -anchor w -pady 2 \
1758	3,1 $inner.background -anchor w -pady 2 -fill x \
1759	4,0 $inner.scaleMode_l -anchor w -pady 2 \
1760	4,1 $inner.scaleMode -anchor w -pady 2 -fill x \
1761	5,0 $inner.gscale_l -anchor w -pady 2 \
1762	5,1 $inner.gscale -anchor w -pady 2 -fill x \
1763	6,0 $inner.normscale -anchor w -pady 2 -cspan 2 \
1764	7,0 $inner.gorient -anchor w -pady 2 -cspan 2 \
1765	8,0 $inner.wireframe -anchor w -pady 2 -cspan 2 \
1766	9,0 $inner.lighting -anchor w -pady 2 -cspan 2 \
1767	10,0 $inner.edges -anchor w -pady 2 -cspan 2 \
1768	11,0 $inner.outline -anchor w -pady 2 -cspan 2 \
1769	12,0 $inner.legend -anchor w -pady 2 \
1770	13,0 $inner.opacity_l -anchor w -pady 2 \
1771	13,1 $inner.opacity -fill x -pady 2 -fill x \
1772
1773	blt::table configure $inner r* c* -resize none
1774	blt::table configure $inner r14 c1 -resize expand
1775	}
1776
1777	itcl::body Rappture::VtkGlyphViewer::BuildAxisTab {} {
1778
1779	set fg [option get $itk_component(hull) font Font]
1780	#set bfg [option get $itk_component(hull) boldFont Font]
1781
1782	set inner [$itk_component(main) insert end \
1783	-title "Axis Settings" \
1784	-icon [Rappture::icon axis2]]
1785	$inner configure -borderwidth 4
1786
1787	checkbutton $inner.visible \
1788	-text "Axes" \
1789	-variable [itcl::scope _settings(-axesvisible)] \
1790	-command [itcl::code $this AdjustSetting -axesvisible] \
1791	-font "Arial 9"
1792
1793	checkbutton $inner.labels \
1794	-text "Axis Labels" \
1795	-variable [itcl::scope _settings(-axislabels)] \
1796	-command [itcl::code $this AdjustSetting -axislabels] \
1797	-font "Arial 9"
1798	label $inner.grid_l -text "Grid" -font "Arial 9"
1799	checkbutton $inner.xgrid \
1800	-text "X" \
1801	-variable [itcl::scope _settings(-xgrid)] \
1802	-command [itcl::code $this AdjustSetting -xgrid] \
1803	-font "Arial 9"
1804	checkbutton $inner.ygrid \
1805	-text "Y" \
1806	-variable [itcl::scope _settings(-ygrid)] \
1807	-command [itcl::code $this AdjustSetting -ygrid] \
1808	-font "Arial 9"
1809	checkbutton $inner.zgrid \
1810	-text "Z" \
1811	-variable [itcl::scope _settings(-zgrid)] \
1812	-command [itcl::code $this AdjustSetting -zgrid] \
1813	-font "Arial 9"
1814	checkbutton $inner.minorticks \
1815	-text "Minor Ticks" \
1816	-variable [itcl::scope _settings(-axisminorticks)] \
1817	-command [itcl::code $this AdjustSetting -axisminorticks] \
1818	-font "Arial 9"
1819
1820	label $inner.mode_l -text "Mode" -font "Arial 9"
1821
1822	itk_component add axisMode {
1823	Rappture::Combobox $inner.mode -width 10 -editable no
1824	}
1825	$inner.mode choices insert end \
1826	"static_triad" "static" \
1827	"closest_triad" "closest" \
1828	"furthest_triad" "farthest" \
1829	"outer_edges" "outer"
1830	$itk_component(axisMode) value $_settings(-axismode)
1831	bind $inner.mode <<Value>> [itcl::code $this AdjustSetting -axismode]
1832
1833	blt::table $inner \
1834	0,0 $inner.visible -anchor w -cspan 4 \
1835	1,0 $inner.labels -anchor w -cspan 4 \
1836	2,0 $inner.minorticks -anchor w -cspan 4 \
1837	4,0 $inner.grid_l -anchor w \
1838	4,1 $inner.xgrid -anchor w \
1839	4,2 $inner.ygrid -anchor w \
1840	4,3 $inner.zgrid -anchor w \
1841	5,0 $inner.mode_l -anchor w -padx { 2 0 } \
1842	5,1 $inner.mode -fill x -cspan 3
1843
1844	blt::table configure $inner r* c* -resize none
1845	blt::table configure $inner r7 c6 -resize expand
1846	blt::table configure $inner r3 -height 0.125i
1847	}
1848
1849	itcl::body Rappture::VtkGlyphViewer::BuildCameraTab {} {
1850	set inner [$itk_component(main) insert end \
1851	-title "Camera Settings" \
1852	-icon [Rappture::icon camera]]
1853	$inner configure -borderwidth 4
1854
1855	label $inner.view_l -text "view" -font "Arial 9"
1856	set f [frame $inner.view]
1857	foreach side { front back left right top bottom } {
1858	button $f.$side -image [Rappture::icon view$side] \
1859	-command [itcl::code $this SetOrientation $side]
1860	Rappture::Tooltip::for $f.$side "Change the view to $side"
1861	pack $f.$side -side left
1862	}
1863
1864	blt::table $inner \
1865	0,0 $inner.view_l -anchor e -pady 2 \
1866	0,1 $inner.view -anchor w -pady 2
1867	blt::table configure $inner r0 -resize none
1868
1869	set labels { qx qy qz qw xpan ypan zoom }
1870	set row 1
1871	foreach tag $labels {
1872	label $inner.${tag}label -text $tag -font "Arial 9"
1873	entry $inner.${tag} -font "Arial 9" -bg white \
1874	-textvariable [itcl::scope _view(-$tag)]
1875	bind $inner.${tag} <Return> \
1876	[itcl::code $this camera set -${tag}]
1877	bind $inner.${tag} <KP_Enter> \
1878	[itcl::code $this camera set -${tag}]
1879	blt::table $inner \
1880	$row,0 $inner.${tag}label -anchor e -pady 2 \
1881	$row,1 $inner.${tag} -anchor w -pady 2
1882	blt::table configure $inner r$row -resize none
1883	incr row
1884	}
1885	checkbutton $inner.ortho \
1886	-text "Orthographic Projection" \
1887	-variable [itcl::scope _view(-ortho)] \
1888	-command [itcl::code $this camera set -ortho] \
1889	-font "Arial 9"
1890	blt::table $inner \
1891	$row,0 $inner.ortho -cspan 2 -anchor w -pady 2
1892	blt::table configure $inner r$row -resize none
1893	incr row
1894
1895	blt::table configure $inner c* -resize none
1896	blt::table configure $inner c2 -resize expand
1897	blt::table configure $inner r$row -resize expand
1898	}
1899
1900	itcl::body Rappture::VtkGlyphViewer::BuildCutplaneTab {} {
1901
1902	set fg [option get $itk_component(hull) font Font]
1903
1904	set inner [$itk_component(main) insert end \
1905	-title "Cutplane Settings" \
1906	-icon [Rappture::icon cutbutton]]
1907
1908	$inner configure -borderwidth 4
1909
1910	checkbutton $inner.visible \
1911	-text "Cutplanes" \
1912	-variable [itcl::scope _settings(-cutplanevisible)] \
1913	-command [itcl::code $this AdjustSetting -cutplanevisible] \
1914	-font "Arial 9"
1915
1916	checkbutton $inner.wireframe \
1917	-text "Wireframe" \
1918	-variable [itcl::scope _settings(-cutplanewireframe)] \
1919	-command [itcl::code $this AdjustSetting -cutplanewireframe] \
1920	-font "Arial 9"
1921
1922	checkbutton $inner.lighting \
1923	-text "Enable Lighting" \
1924	-variable [itcl::scope _settings(-cutplanelighting)] \
1925	-command [itcl::code $this AdjustSetting -cutplanelighting] \
1926	-font "Arial 9"
1927
1928	checkbutton $inner.edges \
1929	-text "Edges" \
1930	-variable [itcl::scope _settings(-cutplaneedges)] \
1931	-command [itcl::code $this AdjustSetting -cutplaneedges] \
1932	-font "Arial 9"
1933
1934	checkbutton $inner.preinterp \
1935	-text "Interpolate Scalars" \
1936	-variable [itcl::scope _settings(-cutplanepreinterp)] \
1937	-command [itcl::code $this AdjustSetting -cutplanepreinterp] \
1938	-font "Arial 9"
1939
1940	label $inner.opacity_l -text "Opacity" -font "Arial 9"
1941	::scale $inner.opacity -from 0 -to 100 -orient horizontal \
1942	-variable [itcl::scope _settings(-cutplaneopacity)] \
1943	-width 10 \
1944	-showvalue off \
1945	-command [itcl::code $this AdjustSetting -cutplaneopacity]
1946	$inner.opacity set $_settings(-cutplaneopacity)
1947
1948	# X-value slicer...
1949	itk_component add xbutton {
1950	Rappture::PushButton $inner.xbutton \
1951	-onimage [Rappture::icon x-cutplane-red] \
1952	-offimage [Rappture::icon x-cutplane-red] \
1953	-command [itcl::code $this AdjustSetting -cutplanexvisible] \
1954	-variable [itcl::scope _settings(-cutplanexvisible)] \
1955	}
1956	Rappture::Tooltip::for $itk_component(xbutton) \
1957	"Toggle the X-axis cutplane on/off"
1958	$itk_component(xbutton) select
1959	itk_component add xposition {
1960	::scale $inner.xval -from 100 -to 0 \
1961	-width 10 -orient vertical -showvalue yes \
1962	-borderwidth 1 -highlightthickness 0 \
1963	-command [itcl::code $this EventuallySetCutplane x] \
1964	-variable [itcl::scope _settings(-cutplanexposition)] \
1965	-foreground red2 -font "Arial 9 bold"
1966	} {
1967	usual
1968	ignore -borderwidth -highlightthickness -foreground -font -background
1969	}
1970	# Set the default cutplane value before disabling the scale.
1971	$itk_component(xposition) set 50
1972	$itk_component(xposition) configure -state disabled
1973	Rappture::Tooltip::for $itk_component(xposition) \
1974	"@[itcl::code $this Slice tooltip x]"
1975
1976	# Y-value slicer...
1977	itk_component add ybutton {
1978	Rappture::PushButton $inner.ybutton \
1979	-onimage [Rappture::icon y-cutplane-green] \
1980	-offimage [Rappture::icon y-cutplane-green] \
1981	-command [itcl::code $this AdjustSetting -cutplaneyvisible] \
1982	-variable [itcl::scope _settings(-cutplaneyvisible)] \
1983	}
1984	Rappture::Tooltip::for $itk_component(ybutton) \
1985	"Toggle the Y-axis cutplane on/off"
1986	$itk_component(ybutton) select
1987
1988	itk_component add yposition {
1989	::scale $inner.yval -from 100 -to 0 \
1990	-width 10 -orient vertical -showvalue yes \
1991	-borderwidth 1 -highlightthickness 0 \
1992	-command [itcl::code $this EventuallySetCutplane y] \
1993	-variable [itcl::scope _settings(-cutplaneyposition)] \
1994	-foreground green3 -font "Arial 9 bold"
1995	} {
1996	usual
1997	ignore -borderwidth -highlightthickness -foreground -font
1998	}
1999	Rappture::Tooltip::for $itk_component(yposition) \
2000	"@[itcl::code $this Slice tooltip y]"
2001	# Set the default cutplane value before disabling the scale.
2002	$itk_component(yposition) set 50
2003	$itk_component(yposition) configure -state disabled
2004
2005	# Z-value slicer...
2006	itk_component add zbutton {
2007	Rappture::PushButton $inner.zbutton \
2008	-onimage [Rappture::icon z-cutplane-blue] \
2009	-offimage [Rappture::icon z-cutplane-blue] \
2010	-command [itcl::code $this AdjustSetting -cutplanezvisible] \
2011	-variable [itcl::scope _settings(-cutplanezvisible)] \
2012	} {
2013	usual
2014	ignore -foreground
2015	}
2016	Rappture::Tooltip::for $itk_component(zbutton) \
2017	"Toggle the Z-axis cutplane on/off"
2018	$itk_component(zbutton) select
2019
2020	itk_component add zposition {
2021	::scale $inner.zval -from 100 -to 0 \
2022	-width 10 -orient vertical -showvalue yes \
2023	-borderwidth 1 -highlightthickness 0 \
2024	-command [itcl::code $this EventuallySetCutplane z] \
2025	-variable [itcl::scope _settings(-cutplanezposition)] \
2026	-foreground blue3 -font "Arial 9 bold"
2027	} {
2028	usual
2029	ignore -borderwidth -highlightthickness -foreground -font
2030	}
2031	$itk_component(zposition) set 50
2032	$itk_component(zposition) configure -state disabled
2033	Rappture::Tooltip::for $itk_component(zposition) \
2034	"@[itcl::code $this Slice tooltip z]"
2035
2036	blt::table $inner \
2037	0,0 $inner.visible -anchor w -pady 2 -cspan 3 \
2038	1,0 $inner.lighting -anchor w -pady 2 -cspan 3 \
2039	2,0 $inner.wireframe -anchor w -pady 2 -cspan 3 \
2040	3,0 $inner.edges -anchor w -pady 2 -cspan 3 \
2041	4,0 $inner.preinterp -anchor w -pady 2 -cspan 3 \
2042	5,0 $inner.opacity_l -anchor w -pady 2 -cspan 1 \
2043	5,1 $inner.opacity -fill x -pady 2 -cspan 3 \
2044	6,0 $inner.xbutton -anchor w -padx 2 -pady 2 \
2045	7,0 $inner.ybutton -anchor w -padx 2 -pady 2 \
2046	8,0 $inner.zbutton -anchor w -padx 2 -pady 2 \
2047	6,1 $inner.xval -fill y -rspan 4 \
2048	6,2 $inner.yval -fill y -rspan 4 \
2049	6,3 $inner.zval -fill y -rspan 4 \
2050
2051	blt::table configure $inner r* c* -resize none
2052	blt::table configure $inner r9 c4 -resize expand
2053	}
2054
2055	#
2056	# camera --
2057	#
2058	itcl::body Rappture::VtkGlyphViewer::camera {option args} {
2059	switch -- $option {
2060	"show" {
2061	puts [array get _view]
2062	}
2063	"set" {
2064	set what [lindex $args 0]
2065	set x $_view($what)
2066	set code [catch { string is double $x } result]
2067	if { $code != 0 \|\| !$result } {
2068	return
2069	}
2070	switch -- $what {
2071	"-ortho" {
2072	if {$_view($what)} {
2073	SendCmd "camera mode ortho"
2074	} else {
2075	SendCmd "camera mode persp"
2076	}
2077	}
2078	"-xpan" - "-ypan" {
2079	PanCamera
2080	}
2081	"-qx" - "-qy" - "-qz" - "-qw" {
2082	set q [ViewToQuaternion]
2083	$_arcball quaternion $q
2084	EventuallyRotate $q
2085	}
2086	"-zoom" {
2087	SendCmd "camera zoom $_view($what)"
2088	}
2089	}
2090	}
2091	}
2092	}
2093
2094	itcl::body Rappture::VtkGlyphViewer::GetVtkData { args } {
2095	set bytes ""
2096	foreach dataobj [get] {
2097	foreach cname [$dataobj components] {
2098	set tag $dataobj-$cname
2099	set contents [$dataobj vtkdata $cname]
2100	append bytes "$contents\n"
2101	}
2102	}
2103	return [list .vtk $bytes]
2104	}
2105
2106	itcl::body Rappture::VtkGlyphViewer::GetImage { args } {
2107	if { [image width $_image(download)] > 0 &&
2108	[image height $_image(download)] > 0 } {
2109	set bytes [$_image(download) data -format "jpeg -quality 100"]
2110	set bytes [Rappture::encoding::decode -as b64 $bytes]
2111	return [list .jpg $bytes]
2112	}
2113	return ""
2114	}
2115
2116	itcl::body Rappture::VtkGlyphViewer::BuildDownloadPopup { popup command } {
2117	Rappture::Balloon $popup \
2118	-title "[Rappture::filexfer::label downloadWord] as..."
2119	set inner [$popup component inner]
2120	label $inner.summary -text "" -anchor w
2121	radiobutton $inner.vtk_button -text "VTK data file" \
2122	-variable [itcl::scope _downloadPopup(format)] \
2123	-font "Arial 9 " \
2124	-value vtk
2125	Rappture::Tooltip::for $inner.vtk_button "Save as VTK data file."
2126	radiobutton $inner.image_button -text "Image File" \
2127	-variable [itcl::scope _downloadPopup(format)] \
2128	-font "Arial 9 " \
2129	-value image
2130	Rappture::Tooltip::for $inner.image_button \
2131	"Save as digital image."
2132
2133	button $inner.ok -text "Save" \
2134	-highlightthickness 0 -pady 2 -padx 3 \
2135	-command $command \
2136	-compound left \
2137	-image [Rappture::icon download]
2138
2139	button $inner.cancel -text "Cancel" \
2140	-highlightthickness 0 -pady 2 -padx 3 \
2141	-command [list $popup deactivate] \
2142	-compound left \
2143	-image [Rappture::icon cancel]
2144
2145	blt::table $inner \
2146	0,0 $inner.summary -cspan 2 \
2147	1,0 $inner.vtk_button -anchor w -cspan 2 -padx { 4 0 } \
2148	2,0 $inner.image_button -anchor w -cspan 2 -padx { 4 0 } \
2149	4,1 $inner.cancel -width .9i -fill y \
2150	4,0 $inner.ok -padx 2 -width .9i -fill y
2151	blt::table configure $inner r3 -height 4
2152	blt::table configure $inner r4 -pady 4
2153	raise $inner.image_button
2154	$inner.vtk_button invoke
2155	return $inner
2156	}
2157
2158	itcl::body Rappture::VtkGlyphViewer::SetObjectStyle { dataobj comp } {
2159	# Parse style string.
2160	set tag $dataobj-$comp
2161	array set style {
2162	-color white
2163	-colormap BCGYR
2164	-colorMode vmag
2165	-edgecolor black
2166	-edges 0
2167	-gscale 1
2168	-lighting 1
2169	-linewidth 1.0
2170	-normscale 1
2171	-opacity 1.0
2172	-orientGlyphs 1
2173	-outline 0
2174	-ptsize 1.0
2175	-quality 1
2176	-scaleMode vmag
2177	-shape arrow
2178	-wireframe 0
2179	}
2180	set $style(-color) $itk_option(-plotforeground)
2181	set numComponents [$dataobj numComponents $comp]
2182	if {$numComponents == 3} {
2183	set style(-shape) "arrow"
2184	set style(-orientGlyphs) 1
2185	set style(-scaleMode) "vmag"
2186	set style(-colorMode) "vmag"
2187	} else {
2188	set style(-shape) "sphere"
2189	set style(-orientGlyphs) 0
2190	set style(-scaleMode) "scalar"
2191	set style(-colorMode) "scalar"
2192	}
2193	array set style [$dataobj style $comp]
2194	if { $dataobj != $_first } {
2195	set style(-opacity) 1
2196	}
2197	if 0 {
2198	SendCmd "cutplane add $tag"
2199	SendCmd "cutplane visible 0 $tag"
2200	}
2201	# This is too complicated. We want to set the colormap, number of
2202	# glyph and opacity for the dataset. They can be the default values,
2203	# the style hints loaded with the dataset, or set by user controls. As
2204	# datasets get loaded, they first use the defaults that are overidden
2205	# by the style hints. If the user changes the global controls, then that
2206	# overrides everything else. I don't know what it means when global
2207	# controls are specified as style hints by each dataset. It complicates
2208	# the code to handle aberrant cases.
2209
2210	if { $_changed(-glyphopacity) } {
2211	set style(-opacity) [expr $_settings(-glyphopacity) * 0.01]
2212	}
2213	if { $_changed(-colormap) } {
2214	set style(-colormap) $_settings(-colormap)
2215	}
2216	if { $_currentColormap == "" } {
2217	$itk_component(colormap) value $style(-colormap)
2218	}
2219
2220	SendCmd "outline add $tag"
2221	SendCmd "outline color [Color2RGB $style(-color)] $tag"
2222	SendCmd "outline visible $style(-outline) $tag"
2223	set _settings(-glyphoutline) $style(-outline)
2224
2225	SendCmd "glyphs add $style(-shape) $tag"
2226	set _settings(-glyphshape) $style(-shape)
2227	$itk_component(gshape) value $style(-shape)
2228	SendCmd "glyphs edges $style(-edges) $tag"
2229	set _settings(-glyphedges) $style(-edges)
2230
2231	# normscale=1 and gscale=1 are defaults
2232	if {$style(-normscale) != 1} {
2233	SendCmd "glyphs normscale $style(-normscale) $tag"
2234	}
2235	if {$style(-gscale) != 1} {
2236	SendCmd "glyphs gscale $style(-gscale) $tag"
2237	}
2238	set _settings(-glyphnormscale) $style(-normscale)
2239	set _settings(-glyphscale) $style(-gscale)
2240
2241	if {$style(-colorMode) == "constant" \|\| $style(-colormap) == "none"} {
2242	SendCmd "glyphs colormode constant {} $tag"
2243	set _settings(-colormapvisible) 0
2244	set _settings(-colormap) "none"
2245	} else {
2246	SendCmd "glyphs colormode $style(-colorMode) $_curFldName $tag"
2247	set _settings(-colormapvisible) 1
2248	set _settings(-colormap) $style(-colormap)
2249	SetCurrentColormap $style(-colormap)
2250	}
2251	$itk_component(colormap) value $_settings(-colormap)
2252	set _colorMode $style(-colorMode)
2253	# constant color only used if colormode set to constant
2254	SendCmd "glyphs color [Color2RGB $style(-color)] $tag"
2255	# Omitting field name for gorient and smode commands
2256	# defaults to active scalars or vectors depending on mode
2257	SendCmd "glyphs gorient $style(-orientGlyphs) {} $tag"
2258	set _settings(-glyphorient) $style(-orientGlyphs)
2259	SendCmd "glyphs smode $style(-scaleMode) {} $tag"
2260	set _settings(-glyphscalemode) $style(-scaleMode)
2261	$itk_component(scaleMode) value "[$itk_component(scaleMode) label $style(-scaleMode)]"
2262	SendCmd "glyphs quality $style(-quality) $tag"
2263	SendCmd "glyphs lighting $style(-lighting) $tag"
2264	set _settings(-glyphlighting) $style(-lighting)
2265	SendCmd "glyphs linecolor [Color2RGB $style(-edgecolor)] $tag"
2266	SendCmd "glyphs linewidth $style(-linewidth) $tag"
2267	SendCmd "glyphs ptsize $style(-ptsize) $tag"
2268	SendCmd "glyphs opacity $style(-opacity) $tag"
2269	set _settings(-glyphopacity) [expr $style(-opacity) * 100.0]
2270	SendCmd "glyphs wireframe $style(-wireframe) $tag"
2271	set _settings(-glyphwireframe) $style(-wireframe)
2272	}
2273
2274	itcl::body Rappture::VtkGlyphViewer::IsValidObject { dataobj } {
2275	if {[catch {$dataobj isa Rappture::Field} valid] != 0 \|\| !$valid} {
2276	return 0
2277	}
2278	return 1
2279	}
2280
2281	#
2282	# EnterLegend --
2283	#
2284	itcl::body Rappture::VtkGlyphViewer::EnterLegend { x y } {
2285	SetLegendTip $x $y
2286	}
2287
2288	#
2289	# MotionLegend --
2290	#
2291	itcl::body Rappture::VtkGlyphViewer::MotionLegend { x y } {
2292	Rappture::Tooltip::tooltip cancel
2293	set c $itk_component(view)
2294	set cw [winfo width $c]
2295	set ch [winfo height $c]
2296	if { $x >= 0 && $x < $cw && $y >= 0 && $y < $ch } {
2297	SetLegendTip $x $y
2298	}
2299	}
2300
2301	#
2302	# LeaveLegend --
2303	#
2304	itcl::body Rappture::VtkGlyphViewer::LeaveLegend { } {
2305	Rappture::Tooltip::tooltip cancel
2306	.rappturetooltip configure -icon ""
2307	}
2308
2309	#
2310	# SetLegendTip --
2311	#
2312	itcl::body Rappture::VtkGlyphViewer::SetLegendTip { x y } {
2313	set fname $_curFldName
2314	set c $itk_component(view)
2315	set w [winfo width $c]
2316	set h [winfo height $c]
2317
2318	set font "Arial 8"
2319	set lineht [font metrics $font -linespace]
2320
2321	set ih [image height $_image(legend)]
2322	set iy [expr $y - ($lineht + 2)]
2323
2324	if { [string match "component*" $fname] } {
2325	set title ""
2326	} else {
2327	if { [info exists _fields($fname)] } {
2328	foreach { title units } $_fields($fname) break
2329	if { $units != "" } {
2330	set title [format "%s (%s)" $title $units]
2331	}
2332	} else {
2333	set title $fname
2334	}
2335	}
2336	# If there's a legend title, increase the offset by the line height.
2337	if { $title != "" } {
2338	incr iy -$lineht
2339	}
2340	# Make a swatch of the selected color
2341	if { [catch { $_image(legend) get 10 $iy } pixel] != 0 } {
2342	return
2343	}
2344	if { ![info exists _image(swatch)] } {
2345	set _image(swatch) [image create photo -width 24 -height 24]
2346	}
2347	set color [eval format "\#%02x%02x%02x" $pixel]
2348	$_image(swatch) put black -to 0 0 23 23
2349	$_image(swatch) put $color -to 1 1 22 22
2350	.rappturetooltip configure -icon $_image(swatch)
2351
2352	# Compute the value of the point
2353	if { [info exists _limits($_curFldName)] } {
2354	foreach { vmin vmax } $_limits($_curFldName) break
2355	set t [expr 1.0 - (double($iy) / double($ih-1))]
2356	set value [expr $t * ($vmax - $vmin) + $vmin]
2357	} else {
2358	set value 0.0
2359	}
2360	set tx [expr $x + 15]
2361	set ty [expr $y - 5]
2362	Rappture::Tooltip::text $c [format "$title %g" $value]
2363	Rappture::Tooltip::tooltip show $c +$tx,+$ty
2364	}
2365
2366	# ----------------------------------------------------------------------
2367	# USAGE: Slice move x\|y\|z <newval>
2368	#
2369	# Called automatically when the user drags the slider to move the
2370	# cut plane that slices 3D data. Gets the current value from the
2371	# slider and moves the cut plane to the appropriate point in the
2372	# data set.
2373	# ----------------------------------------------------------------------
2374	itcl::body Rappture::VtkGlyphViewer::Slice {option args} {
2375	switch -- $option {
2376	"move" {
2377	set axis [lindex $args 0]
2378	set newval [lindex $args 1]
2379	if {[llength $args] != 2} {
2380	error "wrong # args: should be \"Slice move x\|y\|z newval\""
2381	}
2382	set newpos [expr {0.01*$newval}]
2383	SendCmd "cutplane slice $axis $newpos"
2384	}
2385	"tooltip" {
2386	set axis [lindex $args 0]
2387	set val [$itk_component(${axis}position) get]
2388	return "Move the [string toupper $axis] cut plane.\nCurrently: $axis = $val%"
2389	}
2390	default {
2391	error "bad option \"$option\": should be axis, move, or tooltip"
2392	}
2393	}
2394	}
2395
2396	#
2397	# ReceiveLegend --
2398	#
2399	# Invoked automatically whenever the "legend" command comes in from
2400	# the rendering server. Indicates that binary image data with the
2401	# specified <size> will follow.
2402	#
2403	itcl::body Rappture::VtkGlyphViewer::ReceiveLegend { colormap title min max size } {
2404	#puts stderr "ReceiveLegend colormap=$colormap title=$title range=$min,$max size=$size"
2405	set _title $title
2406	regsub {\(mag\)} $title "" _title
2407	if { [IsConnected] } {
2408	set bytes [ReceiveBytes $size]
2409	if { ![info exists _image(legend)] } {
2410	set _image(legend) [image create photo]
2411	}
2412	$_image(legend) configure -data $bytes
2413	#puts stderr "read $size bytes for [image width $_image(legend)]x[image height $_image(legend)] legend>"
2414	if { [catch {DrawLegend} errs] != 0 } {
2415	global errorInfo
2416	puts stderr "errs=$errs errorInfo=$errorInfo"
2417	}
2418	}
2419	}
2420
2421	#
2422	# DrawLegend --
2423	#
2424	# Draws the legend in the own canvas on the right side of the plot area.
2425	#
2426	itcl::body Rappture::VtkGlyphViewer::DrawLegend {} {
2427	set fname $_curFldName
2428	set c $itk_component(view)
2429	set w [winfo width $c]
2430	set h [winfo height $c]
2431	set font "Arial 8"
2432	set lineht [font metrics $font -linespace]
2433
2434	if { [string match "component*" $fname] } {
2435	set title ""
2436	} else {
2437	if { [info exists _fields($fname)] } {
2438	foreach { title units } $_fields($fname) break
2439	if { $units != "" } {
2440	set title [format "%s (%s)" $title $units]
2441	}
2442	} else {
2443	set title $fname
2444	}
2445	}
2446	set x [expr $w - 2]
2447	if { !$_settings(-legendvisible) } {
2448	$c delete legend
2449	return
2450	}
2451	if { [$c find withtag "legend"] == "" } {
2452	set y 2
2453	# If there's a legend title, create a text item for the title.
2454	$c create text $x $y \
2455	-anchor ne \
2456	-fill $itk_option(-plotforeground) -tags "title legend" \
2457	-font $font
2458	if { $title != "" } {
2459	incr y $lineht
2460	}
2461	$c create text $x $y \
2462	-anchor ne \
2463	-fill $itk_option(-plotforeground) -tags "vmax legend" \
2464	-font $font
2465	incr y $lineht
2466	$c create image $x $y \
2467	-anchor ne \
2468	-image $_image(legend) -tags "colormap legend"
2469	$c create rectangle $x $y 1 1 \
2470	-fill "" -outline "" -tags "sensor legend"
2471	$c create text $x [expr {$h-2}] \
2472	-anchor se \
2473	-fill $itk_option(-plotforeground) -tags "vmin legend" \
2474	-font $font
2475	$c bind sensor <Enter> [itcl::code $this EnterLegend %x %y]
2476	$c bind sensor <Leave> [itcl::code $this LeaveLegend]
2477	$c bind sensor <Motion> [itcl::code $this MotionLegend %x %y]
2478	}
2479	set x2 $x
2480	set iw [image width $_image(legend)]
2481	set ih [image height $_image(legend)]
2482	set x1 [expr $x2 - ($iw*12)/10]
2483
2484	$c bind title <ButtonPress> [itcl::code $this Combo post]
2485	$c bind title <Enter> [itcl::code $this Combo activate]
2486	$c bind title <Leave> [itcl::code $this Combo deactivate]
2487	# Reset the item coordinates according the current size of the plot.
2488	$c itemconfigure title -text $title
2489	if { [info exists _limits($_curFldName)] } {
2490	foreach { vmin vmax } $_limits($_curFldName) break
2491	$c itemconfigure vmin -text [format %g $vmin]
2492	$c itemconfigure vmax -text [format %g $vmax]
2493	}
2494	set y 2
2495	# If there's a legend title, move the title to the correct position
2496	if { $title != "" } {
2497	$c itemconfigure title -text $title
2498	$c coords title $x $y
2499	incr y $lineht
2500	$c raise title
2501	}
2502	$c coords vmax $x $y
2503	incr y $lineht
2504	$c coords colormap $x $y
2505	$c coords sensor [expr $x - $iw] $y $x [expr $y + $ih]
2506	$c raise sensor
2507	$c coords vmin $x [expr {$h - 2}]
2508	}
2509
2510	# ----------------------------------------------------------------------
2511	# USAGE: _dropdown post
2512	# USAGE: _dropdown unpost
2513	# USAGE: _dropdown select
2514	#
2515	# Used internally to handle the dropdown list for this combobox. The
2516	# post/unpost options are invoked when the list is posted or unposted
2517	# to manage the relief of the controlling button. The select option
2518	# is invoked whenever there is a selection from the list, to assign
2519	# the value back to the gauge.
2520	# ----------------------------------------------------------------------
2521	itcl::body Rappture::VtkGlyphViewer::Combo {option} {
2522	set c $itk_component(view)
2523	switch -- $option {
2524	post {
2525	foreach { x1 y1 x2 y2 } [$c bbox title] break
2526	set cw [winfo width $itk_component(view)]
2527	set mw [winfo reqwidth $itk_component(fieldmenu)]
2528	set x1 [expr $cw - $mw]
2529	set x [expr $x1 + [winfo rootx $itk_component(view)]]
2530	set y [expr $y2 + [winfo rooty $itk_component(view)]]
2531	tk_popup $itk_component(fieldmenu) $x $y
2532	}
2533	activate {
2534	$c itemconfigure title -fill red
2535	}
2536	deactivate {
2537	$c itemconfigure title -fill $itk_option(-plotforeground)
2538	}
2539	invoke {
2540	$itk_component(field) value $_curFldLabel
2541	AdjustSetting -field
2542	}
2543	default {
2544	error "bad option \"$option\": should be post, unpost, select"
2545	}
2546	}
2547	}
2548
2549	#
2550	# SetCurrentColormap --
2551	#
2552	itcl::body Rappture::VtkGlyphViewer::SetCurrentColormap { name } {
2553	# Keep track of the colormaps that we build.
2554	if { ![info exists _colormaps($name)] } {
2555	BuildColormap $name
2556	set _colormaps($name) 1
2557	}
2558	set _currentColormap $name
2559	SendCmd "glyphs colormap $_currentColormap"
2560	}
2561
2562	#
2563	# BuildColormap --
2564	#
2565	# Build the designated colormap on the server.
2566	#
2567	itcl::body Rappture::VtkGlyphViewer::BuildColormap { name } {
2568	set cmap [ColorsToColormap $name]
2569	if { [llength $cmap] == 0 } {
2570	set cmap "0.0 0.0 0.0 0.0 1.0 1.0 1.0 1.0"
2571	}
2572	set amap "0.0 1.0 1.0 1.0"
2573	SendCmd "colormap add $name { $cmap } { $amap }"
2574	}
2575
2576	itcl::body Rappture::VtkGlyphViewer::SetOrientation { side } {
2577	array set positions {
2578	front "1 0 0 0"
2579	back "0 0 1 0"
2580	left "0.707107 0 -0.707107 0"
2581	right "0.707107 0 0.707107 0"
2582	top "0.707107 -0.707107 0 0"
2583	bottom "0.707107 0.707107 0 0"
2584	}
2585	foreach name { -qw -qx -qy -qz } value $positions($side) {
2586	set _view($name) $value
2587	}
2588	set q [ViewToQuaternion]
2589	$_arcball quaternion $q
2590	SendCmd "camera orient $q"
2591	SendCmd "camera reset"
2592	set _view(-xpan) 0
2593	set _view(-ypan) 0
2594	set _view(-zoom) 1.0
2595	}

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