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source: branches/1.4/gui/scripts/vtkglyphviewer.tcl @ 4941

Last change on this file since 4941 was 4768, checked in by ldelgass, 10 years ago
merge r4767 from trunk
File size: 87.6 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; # indicates if camera needs to be reset
135	# to starting position.
136
137	private variable _first "" ; # This is the topmost dataset.
138	private variable _start 0
139	private variable _title ""
140
141	common _downloadPopup; # download options from popup
142	private common _hardcopy
143	private variable _width 0
144	private variable _height 0
145	private variable _resizePending 0
146	private variable _rotatePending 0
147	private variable _cutplanePending 0
148	private variable _legendPending 0
149	private variable _field ""
150	private variable _colorMode "vmag"; # Mode of colormap (vmag or scalar)
151	private variable _fieldNames {}
152	private variable _fields
153	private variable _curFldName ""
154	private variable _curFldLabel ""
155	}
156
157	itk::usual VtkGlyphViewer {
158	keep -background -foreground -cursor -font
159	keep -plotbackground -plotforeground
160	}
161
162	# ----------------------------------------------------------------------
163	# CONSTRUCTOR
164	# ----------------------------------------------------------------------
165	itcl::body Rappture::VtkGlyphViewer::constructor {hostlist args} {
166	package require vtk
167	set _serverType "vtkvis"
168
169	# Rebuild event
170	$_dispatcher register !rebuild
171	$_dispatcher dispatch $this !rebuild "[itcl::code $this Rebuild]; list"
172
173	# Resize event
174	$_dispatcher register !resize
175	$_dispatcher dispatch $this !resize "[itcl::code $this DoResize]; list"
176
177	# Rotate event
178	$_dispatcher register !rotate
179	$_dispatcher dispatch $this !rotate "[itcl::code $this DoRotate]; list"
180
181	# Legend event
182	$_dispatcher register !legend
183	$_dispatcher dispatch $this !legend "[itcl::code $this RequestLegend]; list"
184
185	# X-Cutplane event
186	$_dispatcher register !xcutplane
187	$_dispatcher dispatch $this !xcutplane \
188	"[itcl::code $this AdjustSetting -cutplanexposition]; list"
189
190	# Y-Cutplane event
191	$_dispatcher register !ycutplane
192	$_dispatcher dispatch $this !ycutplane \
193	"[itcl::code $this AdjustSetting -cutplaneyposition]; list"
194
195	# Z-Cutplane event
196	$_dispatcher register !zcutplane
197	$_dispatcher dispatch $this !zcutplane \
198	"[itcl::code $this AdjustSetting -cutplanezposition]; list"
199
200	#
201	# Populate parser with commands handle incoming requests
202	#
203	$_parser alias image [itcl::code $this ReceiveImage]
204	$_parser alias dataset [itcl::code $this ReceiveDataset]
205	$_parser alias legend [itcl::code $this ReceiveLegend]
206
207	# Initialize the view to some default parameters.
208	array set _view {
209	-ortho 0
210	-qw 0.853553
211	-qx -0.353553
212	-qy 0.353553
213	-qz 0.146447
214	-xpan 0
215	-ypan 0
216	-zoom 1.0
217	}
218	set _arcball [blt::arcball create 100 100]
219	$_arcball quaternion [ViewToQuaternion]
220
221	array set _settings [subst {
222	-axesvisible 1
223	-axislabels 1
224	-axisminorticks 1
225	-axismode "static"
226	-background black
227	-colormap BCGYR
228	-colormapvisible 1
229	-cutplaneedges 0
230	-cutplanelighting 1
231	-cutplanepreinterp 1
232	-cutplaneopacity 100
233	-cutplanevisible 0
234	-cutplanewireframe 0
235	-cutplanexposition 50
236	-cutplanexvisible 1
237	-cutplaneyposition 50
238	-cutplaneyvisible 1
239	-cutplanezposition 50
240	-cutplanezvisible 1
241	-field "Default"
242	-glyphedges 0
243	-glyphlighting 1
244	-glyphnormscale 1
245	-glyphopacity 100
246	-glyphorient 1
247	-glyphoutline 0
248	-glyphscale 1
249	-glyphscalemode "vmag"
250	-glyphshape "arrow"
251	-glyphvisible 1
252	-glyphwireframe 0
253	-legendvisible 1
254	-saveglyphopacity 100
255	-xgrid 0
256	-ygrid 0
257	-zgrid 0
258	}]
259	array set _changed {
260	-colormap 0
261	-glyphopacity 0
262	}
263
264	itk_component add view {
265	canvas $itk_component(plotarea).view \
266	-highlightthickness 0 -borderwidth 0
267	} {
268	usual
269	ignore -highlightthickness -borderwidth -background
270	}
271
272	itk_component add fieldmenu {
273	menu $itk_component(plotarea).menu -bg black -fg white -relief flat \
274	-tearoff no
275	} {
276	usual
277	ignore -background -foreground -relief -tearoff
278	}
279	set c $itk_component(view)
280	bind $c <Configure> [itcl::code $this EventuallyResize %w %h]
281	bind $c <4> [itcl::code $this Zoom in 0.25]
282	bind $c <5> [itcl::code $this Zoom out 0.25]
283	bind $c <KeyPress-Left> [list %W xview scroll 10 units]
284	bind $c <KeyPress-Right> [list %W xview scroll -10 units]
285	bind $c <KeyPress-Up> [list %W yview scroll 10 units]
286	bind $c <KeyPress-Down> [list %W yview scroll -10 units]
287	bind $c <Enter> "focus %W"
288	bind $c <Control-F1> [itcl::code $this ToggleConsole]
289
290	# Fix the scrollregion in case we go off screen
291	$c configure -scrollregion [$c bbox all]
292
293	set _map(id) [$c create image 0 0 -anchor nw -image $_image(plot)]
294	set _map(cwidth) -1
295	set _map(cheight) -1
296	set _map(zoom) 1.0
297	set _map(original) ""
298
299	set f [$itk_component(main) component controls]
300	itk_component add reset {
301	button $f.reset -borderwidth 1 -padx 1 -pady 1 \
302	-highlightthickness 0 \
303	-image [Rappture::icon reset-view] \
304	-command [itcl::code $this Zoom reset]
305	} {
306	usual
307	ignore -highlightthickness
308	}
309	pack $itk_component(reset) -side top -padx 2 -pady 2
310	Rappture::Tooltip::for $itk_component(reset) \
311	"Reset the view to the default zoom level"
312
313	itk_component add zoomin {
314	button $f.zin -borderwidth 1 -padx 1 -pady 1 \
315	-highlightthickness 0 \
316	-image [Rappture::icon zoom-in] \
317	-command [itcl::code $this Zoom in]
318	} {
319	usual
320	ignore -highlightthickness
321	}
322	pack $itk_component(zoomin) -side top -padx 2 -pady 2
323	Rappture::Tooltip::for $itk_component(zoomin) "Zoom in"
324
325	itk_component add zoomout {
326	button $f.zout -borderwidth 1 -padx 1 -pady 1 \
327	-highlightthickness 0 \
328	-image [Rappture::icon zoom-out] \
329	-command [itcl::code $this Zoom out]
330	} {
331	usual
332	ignore -highlightthickness
333	}
334	pack $itk_component(zoomout) -side top -padx 2 -pady 2
335	Rappture::Tooltip::for $itk_component(zoomout) "Zoom out"
336
337	itk_component add glyphs {
338	Rappture::PushButton $f.glyphs \
339	-onimage [Rappture::icon volume-on] \
340	-offimage [Rappture::icon volume-off] \
341	-variable [itcl::scope _settings(-glyphvisible)] \
342	-command [itcl::code $this AdjustSetting -glyphvisible]
343	}
344	$itk_component(glyphs) select
345	Rappture::Tooltip::for $itk_component(glyphs) \
346	"Don't display the glyphs"
347	pack $itk_component(glyphs) -padx 2 -pady 2
348
349	if {0} {
350	itk_component add cutplane {
351	Rappture::PushButton $f.cutplane \
352	-onimage [Rappture::icon cutbutton] \
353	-offimage [Rappture::icon cutbutton] \
354	-variable [itcl::scope _settings(-cutplanevisible)] \
355	-command [itcl::code $this AdjustSetting -cutplanevisible]
356	}
357	Rappture::Tooltip::for $itk_component(cutplane) \
358	"Show/Hide cutplanes"
359	pack $itk_component(cutplane) -padx 2 -pady 2
360	}
361
362	if { [catch {
363	BuildGlyphTab
364	#BuildCutplaneTab
365	BuildAxisTab
366	BuildCameraTab
367	} errs] != 0 } {
368	puts stderr errs=$errs
369	}
370	# Legend
371
372	set _image(legend) [image create photo]
373	itk_component add legend {
374	canvas $itk_component(plotarea).legend -width 50 -highlightthickness 0
375	} {
376	usual
377	ignore -highlightthickness
378	rename -background -plotbackground plotBackground Background
379	}
380
381	# Hack around the Tk panewindow. The problem is that the requested
382	# size of the 3d view isn't set until an image is retrieved from
383	# the server. So the panewindow uses the tiny size.
384	set w 10000
385	pack forget $itk_component(view)
386	blt::table $itk_component(plotarea) \
387	0,0 $itk_component(view) -fill both -reqwidth $w
388	blt::table configure $itk_component(plotarea) c1 -resize none
389
390	# Bindings for rotation via mouse
391	bind $itk_component(view) <ButtonPress-1> \
392	[itcl::code $this Rotate click %x %y]
393	bind $itk_component(view) <B1-Motion> \
394	[itcl::code $this Rotate drag %x %y]
395	bind $itk_component(view) <ButtonRelease-1> \
396	[itcl::code $this Rotate release %x %y]
397
398	# Bindings for panning via mouse
399	bind $itk_component(view) <ButtonPress-2> \
400	[itcl::code $this Pan click %x %y]
401	bind $itk_component(view) <B2-Motion> \
402	[itcl::code $this Pan drag %x %y]
403	bind $itk_component(view) <ButtonRelease-2> \
404	[itcl::code $this Pan release %x %y]
405
406	#bind $itk_component(view) <ButtonRelease-3> \
407	# [itcl::code $this Pick %x %y]
408
409	# Bindings for panning via keyboard
410	bind $itk_component(view) <KeyPress-Left> \
411	[itcl::code $this Pan set -10 0]
412	bind $itk_component(view) <KeyPress-Right> \
413	[itcl::code $this Pan set 10 0]
414	bind $itk_component(view) <KeyPress-Up> \
415	[itcl::code $this Pan set 0 -10]
416	bind $itk_component(view) <KeyPress-Down> \
417	[itcl::code $this Pan set 0 10]
418	bind $itk_component(view) <Shift-KeyPress-Left> \
419	[itcl::code $this Pan set -2 0]
420	bind $itk_component(view) <Shift-KeyPress-Right> \
421	[itcl::code $this Pan set 2 0]
422	bind $itk_component(view) <Shift-KeyPress-Up> \
423	[itcl::code $this Pan set 0 -2]
424	bind $itk_component(view) <Shift-KeyPress-Down> \
425	[itcl::code $this Pan set 0 2]
426
427	# Bindings for zoom via keyboard
428	bind $itk_component(view) <KeyPress-Prior> \
429	[itcl::code $this Zoom out]
430	bind $itk_component(view) <KeyPress-Next> \
431	[itcl::code $this Zoom in]
432
433	bind $itk_component(view) <Enter> "focus $itk_component(view)"
434
435	if {[string equal "x11" [tk windowingsystem]]} {
436	# Bindings for zoom via mouse
437	bind $itk_component(view) <4> [itcl::code $this Zoom out]
438	bind $itk_component(view) <5> [itcl::code $this Zoom in]
439	}
440
441	set _image(download) [image create photo]
442
443	eval itk_initialize $args
444	Connect
445	}
446
447	# ----------------------------------------------------------------------
448	# DESTRUCTOR
449	# ----------------------------------------------------------------------
450	itcl::body Rappture::VtkGlyphViewer::destructor {} {
451	Disconnect
452	image delete $_image(plot)
453	image delete $_image(download)
454	catch { blt::arcball destroy $_arcball }
455	}
456
457	itcl::body Rappture::VtkGlyphViewer::DoResize {} {
458	if { $_width < 2 } {
459	set _width 500
460	}
461	if { $_height < 2 } {
462	set _height 500
463	}
464	set _start [clock clicks -milliseconds]
465	SendCmd "screen size $_width $_height"
466
467	EventuallyRequestLegend
468	set _resizePending 0
469	}
470
471	itcl::body Rappture::VtkGlyphViewer::DoRotate {} {
472	SendCmd "camera orient [ViewToQuaternion]"
473	set _rotatePending 0
474	}
475
476	itcl::body Rappture::VtkGlyphViewer::EventuallyRequestLegend {} {
477	if { !$_legendPending } {
478	set _legendPending 1
479	$_dispatcher event -idle !legend
480	}
481	}
482
483	itcl::body Rappture::VtkGlyphViewer::EventuallyResize { w h } {
484	set _width $w
485	set _height $h
486	$_arcball resize $w $h
487	if { !$_resizePending } {
488	set _resizePending 1
489	$_dispatcher event -after 400 !resize
490	}
491	}
492
493	set rotate_delay 100
494
495	itcl::body Rappture::VtkGlyphViewer::EventuallyRotate { q } {
496	QuaternionToView $q
497	if { !$_rotatePending } {
498	set _rotatePending 1
499	global rotate_delay
500	$_dispatcher event -after $rotate_delay !rotate
501	}
502	}
503
504	itcl::body Rappture::VtkGlyphViewer::EventuallySetCutplane { axis args } {
505	if { !$_cutplanePending } {
506	set _cutplanePending 1
507	$_dispatcher event -after 100 !${axis}cutplane
508	}
509	}
510
511	# ----------------------------------------------------------------------
512	# USAGE: add <dataobj> ?<settings>?
513	#
514	# Clients use this to add a data object to the plot. The optional
515	# <settings> are used to configure the plot. Allowed settings are
516	# -color, -brightness, -width, -linestyle, and -raise.
517	# ----------------------------------------------------------------------
518	itcl::body Rappture::VtkGlyphViewer::add {dataobj {settings ""}} {
519	if { ![$dataobj isvalid] } {
520	return; # Object doesn't contain valid data.
521	}
522	array set params {
523	-color auto
524	-width 1
525	-linestyle solid
526	-brightness 0
527	-raise 0
528	-description ""
529	-param ""
530	-type ""
531	}
532	array set params $settings
533	set params(-description) ""
534	set params(-param) ""
535	array set params $settings
536
537	if {$params(-color) == "auto" \|\| $params(-color) == "autoreset"} {
538	# can't handle -autocolors yet
539	set params(-color) black
540	}
541	set pos [lsearch -exact $_dlist $dataobj]
542	if {$pos < 0} {
543	lappend _dlist $dataobj
544	}
545	set _obj2ovride($dataobj-color) $params(-color)
546	set _obj2ovride($dataobj-width) $params(-width)
547	set _obj2ovride($dataobj-raise) $params(-raise)
548	$_dispatcher event -idle !rebuild
549	}
550
551	# ----------------------------------------------------------------------
552	# USAGE: delete ?<dataobj1> <dataobj2> ...?
553	#
554	# Clients use this to delete a dataobj from the plot. If no dataobjs
555	# are specified, then all dataobjs are deleted. No data objects are
556	# deleted. They are only removed from the display list.
557	#
558	# ----------------------------------------------------------------------
559	itcl::body Rappture::VtkGlyphViewer::delete {args} {
560	if { [llength $args] == 0} {
561	set args $_dlist
562	}
563	# Delete all specified dataobjs
564	set changed 0
565	foreach dataobj $args {
566	set pos [lsearch -exact $_dlist $dataobj]
567	if { $pos < 0 } {
568	continue; # Don't know anything about it.
569	}
570	# Remove it from the dataobj list.
571	set _dlist [lreplace $_dlist $pos $pos]
572	array unset _obj2ovride $dataobj-*
573	array unset _settings $dataobj-*
574	set changed 1
575	}
576	# If anything changed, then rebuild the plot
577	if { $changed } {
578	$_dispatcher event -idle !rebuild
579	}
580	}
581
582	# ----------------------------------------------------------------------
583	# USAGE: get ?-objects?
584	# USAGE: get ?-visible?
585	# USAGE: get ?-image view?
586	#
587	# Clients use this to query the list of objects being plotted, in
588	# order from bottom to top of this result. The optional "-image"
589	# flag can also request the internal images being shown.
590	# ----------------------------------------------------------------------
591	itcl::body Rappture::VtkGlyphViewer::get {args} {
592	if {[llength $args] == 0} {
593	set args "-objects"
594	}
595
596	set op [lindex $args 0]
597	switch -- $op {
598	"-objects" {
599	# put the dataobj list in order according to -raise options
600	set dlist {}
601	foreach dataobj $_dlist {
602	if { ![IsValidObject $dataobj] } {
603	continue
604	}
605	if {[info exists _obj2ovride($dataobj-raise)] &&
606	$_obj2ovride($dataobj-raise)} {
607	set dlist [linsert $dlist 0 $dataobj]
608	} else {
609	lappend dlist $dataobj
610	}
611	}
612	return $dlist
613	}
614	"-visible" {
615	set dlist {}
616	foreach dataobj $_dlist {
617	if { ![IsValidObject $dataobj] } {
618	continue
619	}
620	if { ![info exists _obj2ovride($dataobj-raise)] } {
621	# No setting indicates that the object isn't visible.
622	continue
623	}
624	# Otherwise use the -raise parameter to put the object to
625	# the front of the list.
626	if { $_obj2ovride($dataobj-raise) } {
627	set dlist [linsert $dlist 0 $dataobj]
628	} else {
629	lappend dlist $dataobj
630	}
631	}
632	return $dlist
633	}
634	-image {
635	if {[llength $args] != 2} {
636	error "wrong # args: should be \"get -image view\""
637	}
638	switch -- [lindex $args end] {
639	view {
640	return $_image(plot)
641	}
642	default {
643	error "bad image name \"[lindex $args end]\": should be view"
644	}
645	}
646	}
647	default {
648	error "bad option \"$op\": should be -objects or -image"
649	}
650	}
651	}
652
653	# ----------------------------------------------------------------------
654	# USAGE: scale ?<data1> <data2> ...?
655	#
656	# Sets the default limits for the overall plot according to the
657	# limits of the data for all of the given <data> objects. This
658	# accounts for all objects--even those not showing on the screen.
659	# Because of this, the limits are appropriate for all objects as
660	# the user scans through data in the ResultSet viewer.
661	# ----------------------------------------------------------------------
662	itcl::body Rappture::VtkGlyphViewer::scale { args } {
663	foreach dataobj $args {
664	if { ![$dataobj isvalid] } {
665	continue; # Object doesn't contain valid data.
666	}
667	foreach axis { x y z } {
668	set lim [$dataobj limits $axis]
669	if { ![info exists _limits($axis)] } {
670	set _limits($axis) $lim
671	continue
672	}
673	foreach {min max} $lim break
674	foreach {amin amax} $_limits($axis) break
675	if { $amin > $min } {
676	set amin $min
677	}
678	if { $amax < $max } {
679	set amax $max
680	}
681	set _limits($axis) [list $amin $amax]
682	}
683	foreach { fname lim } [$dataobj fieldlimits] {
684	if { ![info exists _limits($fname)] } {
685	set _limits($fname) $lim
686	continue
687	}
688	foreach {min max} $lim break
689	foreach {fmin fmax} $_limits($fname) break
690	if { $fmin > $min } {
691	set fmin $min
692	}
693	if { $fmax < $max } {
694	set fmax $max
695	}
696	set _limits($fname) [list $fmin $fmax]
697	}
698	}
699	}
700
701	# ----------------------------------------------------------------------
702	# USAGE: download coming
703	# USAGE: download controls <downloadCommand>
704	# USAGE: download now
705	#
706	# Clients use this method to create a downloadable representation
707	# of the plot. Returns a list of the form {ext string}, where
708	# "ext" is the file extension (indicating the type of data) and
709	# "string" is the data itself.
710	# ----------------------------------------------------------------------
711	itcl::body Rappture::VtkGlyphViewer::download {option args} {
712	switch $option {
713	coming {
714	if {[catch {
715	blt::winop snap $itk_component(plotarea) $_image(download)
716	}]} {
717	$_image(download) configure -width 1 -height 1
718	$_image(download) put #000000
719	}
720	}
721	controls {
722	set popup .vtkviewerdownload
723	if { ![winfo exists .vtkviewerdownload] } {
724	set inner [BuildDownloadPopup $popup [lindex $args 0]]
725	} else {
726	set inner [$popup component inner]
727	}
728	set _downloadPopup(image_controls) $inner.image_frame
729	set num [llength [get]]
730	set num [expr {($num == 1) ? "1 result" : "$num results"}]
731	set word [Rappture::filexfer::label downloadWord]
732	$inner.summary configure -text "$word $num in the following format:"
733	update idletasks ;# Fix initial sizes
734	return $popup
735	}
736	now {
737	set popup .vtkviewerdownload
738	if {[winfo exists .vtkviewerdownload]} {
739	$popup deactivate
740	}
741	switch -- $_downloadPopup(format) {
742	"image" {
743	return [$this GetImage [lindex $args 0]]
744	}
745	"vtk" {
746	return [$this GetVtkData [lindex $args 0]]
747	}
748	}
749	return ""
750	}
751	default {
752	error "bad option \"$option\": should be coming, controls, now"
753	}
754	}
755	}
756
757	# ----------------------------------------------------------------------
758	# USAGE: Connect ?<host:port>,<host:port>...?
759	#
760	# Clients use this method to establish a connection to a new
761	# server, or to reestablish a connection to the previous server.
762	# Any existing connection is automatically closed.
763	# ----------------------------------------------------------------------
764	itcl::body Rappture::VtkGlyphViewer::Connect {} {
765	set _hosts [GetServerList "vtkvis"]
766	if { "" == $_hosts } {
767	return 0
768	}
769	set result [VisViewer::Connect $_hosts]
770	if { $result } {
771	if { $_reportClientInfo } {
772	# Tell the server the viewer, hub, user and session.
773	# Do this immediately on connect before buffering any commands
774	global env
775
776	set info {}
777	set user "???"
778	if { [info exists env(USER)] } {
779	set user $env(USER)
780	}
781	set session "???"
782	if { [info exists env(SESSION)] } {
783	set session $env(SESSION)
784	}
785	lappend info "version" "$Rappture::version"
786	lappend info "build" "$Rappture::build"
787	lappend info "svnurl" "$Rappture::svnurl"
788	lappend info "installdir" "$Rappture::installdir"
789	lappend info "hub" [exec hostname]
790	lappend info "client" "vtkglyphviewer"
791	lappend info "user" $user
792	lappend info "session" $session
793	SendCmd "clientinfo [list $info]"
794	}
795
796	set w [winfo width $itk_component(view)]
797	set h [winfo height $itk_component(view)]
798	EventuallyResize $w $h
799	}
800	return $result
801	}
802
803	#
804	# isconnected --
805	#
806	# Indicates if we are currently connected to the visualization server.
807	#
808	itcl::body Rappture::VtkGlyphViewer::isconnected {} {
809	return [VisViewer::IsConnected]
810	}
811
812	#
813	# disconnect --
814	#
815	itcl::body Rappture::VtkGlyphViewer::disconnect {} {
816	Disconnect
817	set _reset 1
818	}
819
820	#
821	# Disconnect --
822	#
823	# Clients use this method to disconnect from the current rendering
824	# server.
825	#
826	itcl::body Rappture::VtkGlyphViewer::Disconnect {} {
827	VisViewer::Disconnect
828
829	$_dispatcher cancel !rebuild
830	$_dispatcher cancel !resize
831	$_dispatcher cancel !rotate
832	$_dispatcher cancel !xcutplane
833	$_dispatcher cancel !ycutplane
834	$_dispatcher cancel !zcutplane
835	$_dispatcher cancel !legend
836	# disconnected -- no more data sitting on server
837	set _outbuf ""
838	array unset _datasets
839	array unset _data
840	array unset _colormaps
841	array unset _dataset2style
842	array unset _obj2datasets
843	}
844
845	# ----------------------------------------------------------------------
846	# USAGE: ReceiveImage -bytes <size> -type <type> -token <token>
847	#
848	# Invoked automatically whenever the "image" command comes in from
849	# the rendering server. Indicates that binary image data with the
850	# specified <size> will follow.
851	# ----------------------------------------------------------------------
852	itcl::body Rappture::VtkGlyphViewer::ReceiveImage { args } {
853	array set info {
854	-token "???"
855	-bytes 0
856	-type image
857	}
858	array set info $args
859	set bytes [ReceiveBytes $info(-bytes)]
860	if { $info(-type) == "image" } {
861	if 0 {
862	set f [open "last.ppm" "w"]
863	fconfigure $f -encoding binary
864	puts -nonewline $f $bytes
865	close $f
866	}
867	$_image(plot) configure -data $bytes
868	set time [clock seconds]
869	set date [clock format $time]
870	#puts stderr "$date: received image [image width $_image(plot)]x[image height $_image(plot)] image>"
871	if { $_start > 0 } {
872	set finish [clock clicks -milliseconds]
873	#puts stderr "round trip time [expr $finish -$_start] milliseconds"
874	set _start 0
875	}
876	} elseif { $info(type) == "print" } {
877	set tag $this-print-$info(-token)
878	set _hardcopy($tag) $bytes
879	}
880	}
881
882	#
883	# ReceiveDataset --
884	#
885	itcl::body Rappture::VtkGlyphViewer::ReceiveDataset { args } {
886	if { ![isconnected] } {
887	return
888	}
889	set option [lindex $args 0]
890	switch -- $option {
891	"scalar" {
892	set option [lindex $args 1]
893	switch -- $option {
894	"world" {
895	foreach { x y z value tag } [lrange $args 2 end] break
896	}
897	"pixel" {
898	foreach { x y value tag } [lrange $args 2 end] break
899	}
900	}
901	}
902	"vector" {
903	set option [lindex $args 1]
904	switch -- $option {
905	"world" {
906	foreach { x y z vx vy vz tag } [lrange $args 2 end] break
907	}
908	"pixel" {
909	foreach { x y vx vy vz tag } [lrange $args 2 end] break
910	}
911	}
912	}
913	"names" {
914	foreach { name } [lindex $args 1] {
915	#puts stderr "Dataset: $name"
916	}
917	}
918	default {
919	error "unknown dataset option \"$option\" from server"
920	}
921	}
922	}
923
924	# ----------------------------------------------------------------------
925	# USAGE: Rebuild
926	#
927	# Called automatically whenever something changes that affects the
928	# data in the widget. Clears any existing data and rebuilds the
929	# widget to display new data.
930	# ----------------------------------------------------------------------
931	itcl::body Rappture::VtkGlyphViewer::Rebuild {} {
932	set w [winfo width $itk_component(view)]
933	set h [winfo height $itk_component(view)]
934	if { $w < 2 \|\| $h < 2 } {
935	$_dispatcher event -idle !rebuild
936	return
937	}
938
939	# Turn on buffering of commands to the server. We don't want to
940	# be preempted by a server disconnect/reconnect (which automatically
941	# generates a new call to Rebuild).
942	StartBufferingCommands
943
944	if { $_reset } {
945	set _width $w
946	set _height $h
947	$_arcball resize $w $h
948	DoResize
949	#
950	# Reset the camera and other view parameters
951	#
952	$_arcball quaternion [ViewToQuaternion]
953	if {$_view(-ortho)} {
954	SendCmd "camera mode ortho"
955	} else {
956	SendCmd "camera mode persp"
957	}
958	DoRotate
959	PanCamera
960	set _first ""
961	InitSettings -xgrid -ygrid -zgrid -axismode \
962	-axesvisible -axislabels -axisminorticks
963	#SendCmd "axis lformat all %g"
964	StopBufferingCommands
965	SendCmd "imgflush"
966	StartBufferingCommands
967	}
968	set _first ""
969	SendCmd "dataset visible 0"
970	foreach dataobj [get -objects] {
971	if { [info exists _obj2ovride($dataobj-raise)] && $_first == "" } {
972	set _first $dataobj
973	}
974	set _obj2datasets($dataobj) ""
975	foreach comp [$dataobj components] {
976	set tag $dataobj-$comp
977	if { ![info exists _datasets($tag)] } {
978	set bytes [$dataobj vtkdata $comp]
979	if 0 {
980	set f [open "/tmp/glyph.vtk" "w"]
981	fconfigure $f -translation binary -encoding binary
982	puts -nonewline $f $bytes
983	close $f
984	}
985	set length [string length $bytes]
986	if { $_reportClientInfo } {
987	set info {}
988	lappend info "tool_id" [$dataobj hints toolid]
989	lappend info "tool_name" [$dataobj hints toolname]
990	lappend info "tool_title" [$dataobj hints tooltitle]
991	lappend info "tool_command" [$dataobj hints toolcommand]
992	lappend info "tool_revision" [$dataobj hints toolrevision]
993	lappend info "dataset_label" [$dataobj hints label]
994	lappend info "dataset_size" $length
995	lappend info "dataset_tag" $tag
996	SendCmd "clientinfo [list $info]"
997	}
998	SendCmd "dataset add $tag data follows $length"
999	append _outbuf $bytes
1000	set _datasets($tag) 1
1001	SetObjectStyle $dataobj $comp
1002	}
1003	lappend _obj2datasets($dataobj) $tag
1004	if { [info exists _obj2ovride($dataobj-raise)] } {
1005	# Setting dataset visible enables outline
1006	# and glyphs
1007	SendCmd "dataset visible 1 $tag"
1008	}
1009	}
1010	}
1011
1012	if { $_first != "" } {
1013	$itk_component(field) choices delete 0 end
1014	$itk_component(fieldmenu) delete 0 end
1015	array unset _fields
1016	set _curFldName ""
1017	foreach cname [$_first components] {
1018	foreach fname [$_first fieldnames $cname] {
1019	if { [info exists _fields($fname)] } {
1020	continue
1021	}
1022	foreach { label units components } \
1023	[$_first fieldinfo $fname] break
1024	$itk_component(field) choices insert end "$fname" "$label"
1025	$itk_component(fieldmenu) add radiobutton -label "$label" \
1026	-value $label -variable [itcl::scope _curFldLabel] \
1027	-selectcolor red \
1028	-activebackground $itk_option(-plotbackground) \
1029	-activeforeground $itk_option(-plotforeground) \
1030	-font "Arial 8" \
1031	-command [itcl::code $this Combo invoke]
1032	set _fields($fname) [list $label $units $components]
1033	if { $_curFldName == "" } {
1034	set _curFldName $fname
1035	set _curFldLabel $label
1036	}
1037	}
1038	}
1039	$itk_component(field) value $_curFldLabel
1040	}
1041	InitSettings -glyphoutline
1042	#-cutplanevisible
1043	if { $_reset } {
1044	# These are settings that rely on a dataset being loaded.
1045	InitSettings \
1046	-field \
1047	-glyphedges -glyphlighting -glyphopacity \
1048	-glyphwireframe
1049
1050	#-cutplanexposition -cutplaneyposition -cutplanezposition \
1051	-cutplanexvisible -cutplaneyvisible -cutplanezvisible \
1052	-cutplanepreinterp
1053
1054	Zoom reset
1055	foreach axis { x y z } {
1056	# Another problem fixed by a <view>. We looking into a data
1057	# object for the name of the axes. This should be global to
1058	# the viewer itself.
1059	set label [$_first hints ${axis}label]
1060	if { $label == "" } {
1061	set label [string toupper $axis]
1062	}
1063	# May be a space in the axis label.
1064	SendCmd [list axis name $axis $label]
1065	}
1066	if { [array size _fields] < 2 } {
1067	catch {blt::table forget $itk_component(field) $itk_component(field_l)}
1068	}
1069	set _reset 0
1070	}
1071
1072	# Actually write the commands to the server socket. If it fails, we don't
1073	# care. We're finished here.
1074	blt::busy hold $itk_component(hull)
1075	StopBufferingCommands; # Turn off buffering and send commands.
1076	blt::busy release $itk_component(hull)
1077	}
1078
1079	# ----------------------------------------------------------------------
1080	# USAGE: CurrentDatasets ?-all -visible? ?dataobjs?
1081	#
1082	# Returns a list of server IDs for the current datasets being displayed. This
1083	# is normally a single ID, but it might be a list of IDs if the current data
1084	# object has multiple components.
1085	# ----------------------------------------------------------------------
1086	itcl::body Rappture::VtkGlyphViewer::CurrentDatasets {args} {
1087	set flag [lindex $args 0]
1088	switch -- $flag {
1089	"-all" {
1090	if { [llength $args] > 1 } {
1091	error "CurrentDatasets: can't specify dataobj after \"-all\""
1092	}
1093	set dlist [get -objects]
1094	}
1095	"-visible" {
1096	if { [llength $args] > 1 } {
1097	set dlist {}
1098	set args [lrange $args 1 end]
1099	foreach dataobj $args {
1100	if { [info exists _obj2ovride($dataobj-raise)] } {
1101	lappend dlist $dataobj
1102	}
1103	}
1104	} else {
1105	set dlist [get -visible]
1106	}
1107	}
1108	default {
1109	set dlist $args
1110	}
1111	}
1112	set rlist ""
1113	foreach dataobj $dlist {
1114	foreach comp [$dataobj components] {
1115	set tag $dataobj-$comp
1116	if { [info exists _datasets($tag)] && $_datasets($tag) } {
1117	lappend rlist $tag
1118	}
1119	}
1120	}
1121	return $rlist
1122	}
1123
1124	# ----------------------------------------------------------------------
1125	# USAGE: Zoom in
1126	# USAGE: Zoom out
1127	# USAGE: Zoom reset
1128	#
1129	# Called automatically when the user clicks on one of the zoom
1130	# controls for this widget. Changes the zoom for the current view.
1131	# ----------------------------------------------------------------------
1132	itcl::body Rappture::VtkGlyphViewer::Zoom {option} {
1133	switch -- $option {
1134	"in" {
1135	set _view(-zoom) [expr {$_view(-zoom)*1.25}]
1136	SendCmd "camera zoom $_view(-zoom)"
1137	}
1138	"out" {
1139	set _view(-zoom) [expr {$_view(-zoom)*0.8}]
1140	SendCmd "camera zoom $_view(-zoom)"
1141	}
1142	"reset" {
1143	array set _view {
1144	-qw 0.853553
1145	-qx -0.353553
1146	-qy 0.353553
1147	-qz 0.146447
1148	-xpan 0
1149	-ypan 0
1150	-zoom 1.0
1151	}
1152	if { $_first != "" } {
1153	set location [$_first hints camera]
1154	if { $location != "" } {
1155	array set _view $location
1156	}
1157	}
1158	$_arcball quaternion [ViewToQuaternion]
1159	DoRotate
1160	SendCmd "camera reset"
1161	}
1162	}
1163	}
1164
1165	itcl::body Rappture::VtkGlyphViewer::PanCamera {} {
1166	set x $_view(-xpan)
1167	set y $_view(-ypan)
1168	SendCmd "camera pan $x $y"
1169	}
1170
1171	# ----------------------------------------------------------------------
1172	# USAGE: Rotate click <x> <y>
1173	# USAGE: Rotate drag <x> <y>
1174	# USAGE: Rotate release <x> <y>
1175	#
1176	# Called automatically when the user clicks/drags/releases in the
1177	# plot area. Moves the plot according to the user's actions.
1178	# ----------------------------------------------------------------------
1179	itcl::body Rappture::VtkGlyphViewer::Rotate {option x y} {
1180	switch -- $option {
1181	"click" {
1182	$itk_component(view) configure -cursor fleur
1183	set _click(x) $x
1184	set _click(y) $y
1185	}
1186	"drag" {
1187	if {[array size _click] == 0} {
1188	Rotate click $x $y
1189	} else {
1190	set w [winfo width $itk_component(view)]
1191	set h [winfo height $itk_component(view)]
1192	if {$w <= 0 \|\| $h <= 0} {
1193	return
1194	}
1195
1196	if {[catch {
1197	# this fails sometimes for no apparent reason
1198	set dx [expr {double($x-$_click(x))/$w}]
1199	set dy [expr {double($y-$_click(y))/$h}]
1200	}]} {
1201	return
1202	}
1203	if { $dx == 0 && $dy == 0 } {
1204	return
1205	}
1206	set q [$_arcball rotate $x $y $_click(x) $_click(y)]
1207	EventuallyRotate $q
1208	set _click(x) $x
1209	set _click(y) $y
1210	}
1211	}
1212	"release" {
1213	Rotate drag $x $y
1214	$itk_component(view) configure -cursor ""
1215	catch {unset _click}
1216	}
1217	default {
1218	error "bad option \"$option\": should be click, drag, release"
1219	}
1220	}
1221	}
1222
1223	itcl::body Rappture::VtkGlyphViewer::Pick {x y} {
1224	foreach tag [CurrentDatasets -visible] {
1225	SendCmd "dataset getscalar pixel $x $y $tag"
1226	}
1227	}
1228
1229	# ----------------------------------------------------------------------
1230	# USAGE: $this Pan click x y
1231	# $this Pan drag x y
1232	# $this Pan release x y
1233	#
1234	# Called automatically when the user clicks on one of the zoom
1235	# controls for this widget. Changes the zoom for the current view.
1236	# ----------------------------------------------------------------------
1237	itcl::body Rappture::VtkGlyphViewer::Pan {option x y} {
1238	switch -- $option {
1239	"set" {
1240	set w [winfo width $itk_component(view)]
1241	set h [winfo height $itk_component(view)]
1242	set x [expr $x / double($w)]
1243	set y [expr $y / double($h)]
1244	set _view(-xpan) [expr $_view(-xpan) + $x]
1245	set _view(-ypan) [expr $_view(-ypan) + $y]
1246	PanCamera
1247	return
1248	}
1249	"click" {
1250	set _click(x) $x
1251	set _click(y) $y
1252	$itk_component(view) configure -cursor hand1
1253	}
1254	"drag" {
1255	if { ![info exists _click(x)] } {
1256	set _click(x) $x
1257	}
1258	if { ![info exists _click(y)] } {
1259	set _click(y) $y
1260	}
1261	set w [winfo width $itk_component(view)]
1262	set h [winfo height $itk_component(view)]
1263	set dx [expr ($_click(x) - $x)/double($w)]
1264	set dy [expr ($_click(y) - $y)/double($h)]
1265	set _click(x) $x
1266	set _click(y) $y
1267	set _view(-xpan) [expr $_view(-xpan) - $dx]
1268	set _view(-ypan) [expr $_view(-ypan) - $dy]
1269	PanCamera
1270	}
1271	"release" {
1272	Pan drag $x $y
1273	$itk_component(view) configure -cursor ""
1274	}
1275	default {
1276	error "unknown option \"$option\": should set, click, drag, or release"
1277	}
1278	}
1279	}
1280
1281	# ----------------------------------------------------------------------
1282	# USAGE: InitSettings <what> ?<value>?
1283	#
1284	# Used internally to update rendering settings whenever parameters
1285	# change in the popup settings panel. Sends the new settings off
1286	# to the back end.
1287	# ----------------------------------------------------------------------
1288	itcl::body Rappture::VtkGlyphViewer::InitSettings { args } {
1289	foreach spec $args {
1290	if { [info exists _settings($_first${spec})] } {
1291	# Reset global setting with dataobj specific setting
1292	set _settings($spec) $_settings($_first${spec})
1293	}
1294	AdjustSetting $spec
1295	}
1296	}
1297
1298	#
1299	# AdjustSetting --
1300	#
1301	# Changes/updates a specific setting in the widget. There are
1302	# usually user-setable option. Commands are sent to the render
1303	# server.
1304	#
1305	itcl::body Rappture::VtkGlyphViewer::AdjustSetting {what {value ""}} {
1306	if { ![isconnected] } {
1307	return
1308	}
1309	switch -- $what {
1310	"-background" {
1311	set bgcolor [$itk_component(background) value]
1312	array set fgcolors {
1313	"black" "white"
1314	"white" "black"
1315	"grey" "black"
1316	}
1317	configure -plotbackground $bgcolor \
1318	-plotforeground $fgcolors($bgcolor)
1319	$itk_component(view) delete "legend"
1320	DrawLegend
1321	}
1322	"-axesvisible" {
1323	set bool $_settings($what)
1324	SendCmd "axis visible all $bool"
1325	}
1326	"-axislabels" {
1327	set bool $_settings($what)
1328	SendCmd "axis labels all $bool"
1329	}
1330	"-axisminorticks" {
1331	set bool $_settings($what)
1332	SendCmd "axis minticks all $bool"
1333	}
1334	"-xgrid" - "-ygrid" - "-zgrid" {
1335	set axis [string tolower [string range $what 1 1]]
1336	set bool $_settings($what)
1337	SendCmd "axis grid $axis $bool"
1338	}
1339	"-axismode" {
1340	set mode [$itk_component(axisMode) value]
1341	set mode [$itk_component(axisMode) translate $mode]
1342	set _settings($what) $mode
1343	SendCmd "axis flymode $mode"
1344	}
1345	"-cutplaneedges" {
1346	set bool $_settings($what)
1347	SendCmd "cutplane edges $bool"
1348	}
1349	"-cutplanevisible" {
1350	set bool $_settings($what)
1351	SendCmd "cutplane visible 0"
1352	if { $bool } {
1353	foreach tag [CurrentDatasets -visible] {
1354	SendCmd "cutplane visible $bool $tag"
1355	}
1356	}
1357	}
1358	"-cutplanewireframe" {
1359	set bool $_settings($what)
1360	SendCmd "cutplane wireframe $bool"
1361	}
1362	"-cutplanelighting" {
1363	set bool $_settings($what)
1364	SendCmd "cutplane lighting $bool"
1365	}
1366	"-cutplaneopacity" {
1367	set val $_settings($what)
1368	set sval [expr { 0.01 * double($val) }]
1369	SendCmd "cutplane opacity $sval"
1370	}
1371	"-cutplanepreinterp" {
1372	set bool $_settings($what)
1373	SendCmd "cutplane preinterp $bool"
1374	}
1375	"-cutplanexvisible" - "-cutplaneyvisible" - "-cutplanezvisible" {
1376	set axis [string tolower [string range $what 9 9]]
1377	set bool $_settings($what)
1378	if { $bool } {
1379	$itk_component(${axis}position) configure -state normal \
1380	-troughcolor white
1381	} else {
1382	$itk_component(${axis}position) configure -state disabled \
1383	-troughcolor grey82
1384	}
1385	SendCmd "cutplane axis $axis $bool"
1386	}
1387	"-cutplanexposition" - "-cutplaneyposition" - "-cutplanezposition" {
1388	set axis [string tolower [string range $what 9 9]]
1389	set pos [expr $_settings($what) * 0.01]
1390	SendCmd "cutplane slice ${axis} ${pos}"
1391	set _cutplanePending 0
1392	}
1393	"-colormap" {
1394	set _changed($what) 1
1395	StartBufferingCommands
1396	set color [$itk_component(colormap) value]
1397	set _settings($what) $color
1398	if { $color == "none" } {
1399	if { $_settings(-colormapvisible) } {
1400	SendCmd "glyphs colormode constant {}"
1401	set _settings(-colormapvisible) 0
1402	}
1403	} else {
1404	if { !$_settings(-colormapvisible) } {
1405	SendCmd "glyphs colormode $_colorMode $_curFldName"
1406	set _settings(-colormapvisible) 1
1407	}
1408	SetCurrentColormap $color
1409	}
1410	StopBufferingCommands
1411	EventuallyRequestLegend
1412	}
1413	"-glyphwireframe" {
1414	set bool $_settings($what)
1415	SendCmd "glyphs wireframe $bool"
1416	}
1417	"-glyphvisible" {
1418	set bool $_settings($what)
1419	SendCmd "glyphs visible 0"
1420	if { $bool } {
1421	foreach tag [CurrentDatasets -visible] {
1422	SendCmd "glyphs visible $bool $tag"
1423	}
1424	}
1425	if { $bool } {
1426	Rappture::Tooltip::for $itk_component(glyphs) \
1427	"Hide the glyph"
1428	} else {
1429	Rappture::Tooltip::for $itk_component(glyphs) \
1430	"Show the glyph"
1431	}
1432	DrawLegend
1433	}
1434	"-glyphlighting" {
1435	set bool $_settings($what)
1436	SendCmd "glyphs lighting $bool"
1437	}
1438	"-glyphedges" {
1439	set bool $_settings($what)
1440	SendCmd "glyphs edges $bool"
1441	}
1442	"-glyphoutline" {
1443	set bool $_settings($what)
1444	SendCmd "outline visible 0"
1445	if { $bool } {
1446	foreach tag [CurrentDatasets -visible] {
1447	SendCmd "outline visible $bool $tag"
1448	}
1449	}
1450	}
1451	"-glyphopacity" {
1452	set val $_settings($what)
1453	set sval [expr { 0.01 * double($val) }]
1454	SendCmd "glyphs opacity $sval"
1455	}
1456	"-glyphnormscale" {
1457	set bool $_settings($what)
1458	SendCmd "glyphs normscale $bool"
1459	}
1460	"-glyphorient" {
1461	set bool $_settings($what)
1462	SendCmd "glyphs gorient $bool {}"
1463	}
1464	"-glyphscale" {
1465	set val $_settings($what)
1466	if { [string is double $val] } {
1467	SendCmd "glyphs gscale $val"
1468	}
1469	}
1470	"-glyphscalemode" {
1471	set label [$itk_component(scaleMode) value]
1472	set mode [$itk_component(scaleMode) translate $label]
1473	set _settings($what) $mode
1474	SendCmd "glyphs smode $mode {}"
1475	}
1476	"-glyphshape" {
1477	set label [$itk_component(gshape) value]
1478	set shape [$itk_component(gshape) translate $label]
1479	set _settings($what) $shape
1480	SendCmd "glyphs shape $shape"
1481	}
1482	"-field" {
1483	set label [$itk_component(field) value]
1484	set fname [$itk_component(field) translate $label]
1485	set _settings($what) $fname
1486	if { [info exists _fields($fname)] } {
1487	foreach { label units components } $_fields($fname) break
1488	if { $components > 1 } {
1489	set _colorMode vmag
1490	} else {
1491	set _colorMode scalar
1492	}
1493	set _curFldName $fname
1494	set _curFldLabel $label
1495	} else {
1496	puts stderr "unknown field \"$fname\""
1497	return
1498	}
1499	#if { ![info exists _limits($_curFldName)] } {
1500	# SendCmd "dataset maprange all"
1501	#} else {
1502	# SendCmd "dataset maprange explicit $_limits($_curFldName) $_curFldName"
1503	#}
1504	#SendCmd "cutplane colormode $_colorMode $_curFldName"
1505	SendCmd "glyphs colormode $_colorMode $_curFldName"
1506	DrawLegend
1507	}
1508	"-legendvisible" {
1509	if { !$_settings($what) } {
1510	$itk_component(view) delete legend
1511	}
1512	DrawLegend
1513	}
1514	default {
1515	error "don't know how to fix $what"
1516	}
1517	}
1518	}
1519
1520	#
1521	# RequestLegend --
1522	#
1523	# Request a new legend from the server. The size of the legend
1524	# is determined from the height of the canvas.
1525	#
1526	# This should be called when
1527	# 1. A new current colormap is set.
1528	# 2. Window is resized.
1529	# 3. The limits of the data have changed. (Just need a redraw).
1530	# 4. Number of glyph have changed. (Just need a redraw).
1531	# 5. Legend becomes visible (Just need a redraw).
1532	#
1533	itcl::body Rappture::VtkGlyphViewer::RequestLegend {} {
1534	set _legendPending 0
1535	set font "Arial 8"
1536	set w 12
1537	set lineht [font metrics $font -linespace]
1538	# color ramp height = (canvas height) - (min and max value lines) - 2
1539	set h [expr {$_height - 2 * ($lineht + 2)}]
1540
1541	set fname $_curFldName
1542	if { [string match "component*" $fname] } {
1543	set title ""
1544	} else {
1545	if { [info exists _fields($fname)] } {
1546	foreach { title units } $_fields($fname) break
1547	if { $units != "" } {
1548	set title [format "%s (%s)" $title $units]
1549	}
1550	} else {
1551	set title $fname
1552	}
1553	}
1554	# If there's a title too, substract one more line
1555	if { $title != "" } {
1556	incr h -$lineht
1557	}
1558	if { $h < 1 } {
1559	return
1560	}
1561	# Set the legend on the first heightmap dataset.
1562	if { $_currentColormap != "" } {
1563	set cmap $_currentColormap
1564	SendCmdNoWait "legend $cmap $_colorMode $_curFldName {} $w $h 0"
1565	}
1566	}
1567
1568	# ----------------------------------------------------------------------
1569	# CONFIGURATION OPTION: -plotbackground
1570	# ----------------------------------------------------------------------
1571	itcl::configbody Rappture::VtkGlyphViewer::plotbackground {
1572	if { [isconnected] } {
1573	set rgb [Color2RGB $itk_option(-plotbackground)]
1574	SendCmd "screen bgcolor $rgb"
1575	}
1576	}
1577
1578	# ----------------------------------------------------------------------
1579	# CONFIGURATION OPTION: -plotforeground
1580	# ----------------------------------------------------------------------
1581	itcl::configbody Rappture::VtkGlyphViewer::plotforeground {
1582	if { [isconnected] } {
1583	set rgb [Color2RGB $itk_option(-plotforeground)]
1584	SendCmd "axis color all $rgb"
1585	SendCmd "outline color $rgb"
1586	#SendCmd "cutplane color $rgb"
1587	}
1588	}
1589
1590	itcl::body Rappture::VtkGlyphViewer::BuildGlyphTab {} {
1591
1592	set fg [option get $itk_component(hull) font Font]
1593	#set bfg [option get $itk_component(hull) boldFont Font]
1594
1595	set inner [$itk_component(main) insert end \
1596	-title "Glyph Settings" \
1597	-icon [Rappture::icon volume-on]]
1598	$inner configure -borderwidth 4
1599
1600	checkbutton $inner.glyphs \
1601	-text "Glyphs" \
1602	-variable [itcl::scope _settings(-glyphvisible)] \
1603	-command [itcl::code $this AdjustSetting -glyphvisible] \
1604	-font "Arial 9"
1605
1606	label $inner.gshape_l -text "Glyph shape" -font "Arial 9"
1607	itk_component add gshape {
1608	Rappture::Combobox $inner.gshape -width 10 -editable no
1609	}
1610	$inner.gshape choices insert end \
1611	"arrow" "arrow" \
1612	"cone" "cone" \
1613	"cube" "cube" \
1614	"cylinder" "cylinder" \
1615	"dodecahedron" "dodecahedron" \
1616	"icosahedron" "icosahedron" \
1617	"line" "line" \
1618	"octahedron" "octahedron" \
1619	"point" "point" \
1620	"sphere" "sphere" \
1621	"tetrahedron" "tetrahedron"
1622
1623	$itk_component(gshape) value $_settings(-glyphshape)
1624	bind $inner.gshape <<Value>> [itcl::code $this AdjustSetting -glyphshape]
1625
1626	label $inner.scaleMode_l -text "Scale by" -font "Arial 9"
1627	itk_component add scaleMode {
1628	Rappture::Combobox $inner.scaleMode -width 10 -editable no
1629	}
1630	$inner.scaleMode choices insert end \
1631	"scalar" "Scalar" \
1632	"vmag" "Vector magnitude" \
1633	"vcomp" "Vector components" \
1634	"off" "Constant size"
1635
1636	$itk_component(scaleMode) value "[$itk_component(scaleMode) label $_settings(-glyphscalemode)]"
1637	bind $inner.scaleMode <<Value>> [itcl::code $this AdjustSetting -glyphscalemode]
1638
1639	checkbutton $inner.normscale \
1640	-text "Normalize scaling" \
1641	-variable [itcl::scope _settings(-glyphnormscale)] \
1642	-command [itcl::code $this AdjustSetting -glyphnormscale] \
1643	-font "Arial 9"
1644	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"
1645
1646	checkbutton $inner.gorient \
1647	-text "Orient" \
1648	-variable [itcl::scope _settings(-glyphorient)] \
1649	-command [itcl::code $this AdjustSetting -glyphorient] \
1650	-font "Arial 9"
1651	Rappture::Tooltip::for $inner.gorient "Orient glyphs by vector field directions"
1652
1653	checkbutton $inner.wireframe \
1654	-text "Wireframe" \
1655	-variable [itcl::scope _settings(-glyphwireframe)] \
1656	-command [itcl::code $this AdjustSetting -glyphwireframe] \
1657	-font "Arial 9"
1658
1659	checkbutton $inner.lighting \
1660	-text "Enable Lighting" \
1661	-variable [itcl::scope _settings(-glyphlighting)] \
1662	-command [itcl::code $this AdjustSetting -glyphlighting] \
1663	-font "Arial 9"
1664
1665	checkbutton $inner.edges \
1666	-text "Edges" \
1667	-variable [itcl::scope _settings(-glyphedges)] \
1668	-command [itcl::code $this AdjustSetting -glyphedges] \
1669	-font "Arial 9"
1670
1671	checkbutton $inner.outline \
1672	-text "Outline" \
1673	-variable [itcl::scope _settings(-glyphoutline)] \
1674	-command [itcl::code $this AdjustSetting -glyphoutline] \
1675	-font "Arial 9"
1676
1677	checkbutton $inner.legend \
1678	-text "Legend" \
1679	-variable [itcl::scope _settings(-legendvisible)] \
1680	-command [itcl::code $this AdjustSetting -legendvisible] \
1681	-font "Arial 9"
1682
1683	label $inner.background_l -text "Background" -font "Arial 9"
1684	itk_component add background {
1685	Rappture::Combobox $inner.background -width 10 -editable no
1686	}
1687	$inner.background choices insert end \
1688	"black" "black" \
1689	"white" "white" \
1690	"grey" "grey"
1691
1692	$itk_component(background) value $_settings(-background)
1693	bind $inner.background <<Value>> [itcl::code $this AdjustSetting -background]
1694
1695	label $inner.opacity_l -text "Opacity" -font "Arial 9"
1696	::scale $inner.opacity -from 0 -to 100 -orient horizontal \
1697	-variable [itcl::scope _settings(-glyphopacity)] \
1698	-width 10 \
1699	-showvalue off \
1700	-command [itcl::code $this AdjustSetting -glyphopacity]
1701
1702	label $inner.gscale_l -text "Scale factor" -font "Arial 9"
1703	if {0} {
1704	::scale $inner.gscale -from 1 -to 100 -orient horizontal \
1705	-variable [itcl::scope _settings(-glyphscale)] \
1706	-width 10 \
1707	-showvalue off \
1708	-command [itcl::code $this AdjustSetting -glyphscale]
1709	} else {
1710	itk_component add gscale {
1711	entry $inner.gscale -font "Arial 9" -bg white \
1712	-textvariable [itcl::scope _settings(-glyphscale)]
1713	} {
1714	ignore -font -background
1715	}
1716	bind $inner.gscale <Return> \
1717	[itcl::code $this AdjustSetting -glyphscale]
1718	bind $inner.gscale <KP_Enter> \
1719	[itcl::code $this AdjustSetting -glyphscale]
1720	}
1721	Rappture::Tooltip::for $inner.gscale "Set scaling multiplier (or constant size)"
1722
1723	itk_component add field_l {
1724	label $inner.field_l -text "Color By" -font "Arial 9"
1725	} {
1726	ignore -font
1727	}
1728	itk_component add field {
1729	Rappture::Combobox $inner.field -width 10 -editable no
1730	}
1731	bind $inner.field <<Value>> \
1732	[itcl::code $this AdjustSetting -field]
1733
1734	label $inner.colormap_l -text "Colormap" -font "Arial 9"
1735	itk_component add colormap {
1736	Rappture::Combobox $inner.colormap -width 10 -editable no
1737	}
1738
1739	$inner.colormap choices insert end [GetColormapList]
1740	$itk_component(colormap) value "BCGYR"
1741	bind $inner.colormap <<Value>> \
1742	[itcl::code $this AdjustSetting -colormap]
1743
1744	blt::table $inner \
1745	0,0 $inner.field_l -anchor w -pady 2 \
1746	0,1 $inner.field -anchor w -pady 2 -fill x \
1747	1,0 $inner.colormap_l -anchor w -pady 2 \
1748	1,1 $inner.colormap -anchor w -pady 2 -fill x \
1749	3,0 $inner.background_l -anchor w -pady 2 \
1750	3,1 $inner.background -anchor w -pady 2 -fill x \
1751	5,0 $inner.wireframe -anchor w -pady 2 -cspan 2 \
1752	6,0 $inner.lighting -anchor w -pady 2 -cspan 2 \
1753	7,0 $inner.edges -anchor w -pady 2 -cspan 2 \
1754	8,0 $inner.outline -anchor w -pady 2 -cspan 2 \
1755	9,0 $inner.legend -anchor w -pady 2 \
1756	10,0 $inner.opacity_l -anchor w -pady 2 \
1757	10,1 $inner.opacity -fill x -pady 2 -fill x \
1758
1759	blt::table configure $inner r* c* -resize none
1760	blt::table configure $inner r11 c1 -resize expand
1761	}
1762
1763	itcl::body Rappture::VtkGlyphViewer::BuildAxisTab {} {
1764
1765	set fg [option get $itk_component(hull) font Font]
1766	#set bfg [option get $itk_component(hull) boldFont Font]
1767
1768	set inner [$itk_component(main) insert end \
1769	-title "Axis Settings" \
1770	-icon [Rappture::icon axis2]]
1771	$inner configure -borderwidth 4
1772
1773	checkbutton $inner.visible \
1774	-text "Axes" \
1775	-variable [itcl::scope _settings(-axesvisible)] \
1776	-command [itcl::code $this AdjustSetting -axesvisible] \
1777	-font "Arial 9"
1778
1779	checkbutton $inner.labels \
1780	-text "Axis Labels" \
1781	-variable [itcl::scope _settings(-axislabels)] \
1782	-command [itcl::code $this AdjustSetting -axislabels] \
1783	-font "Arial 9"
1784	label $inner.grid_l -text "Grid" -font "Arial 9"
1785	checkbutton $inner.xgrid \
1786	-text "X" \
1787	-variable [itcl::scope _settings(-xgrid)] \
1788	-command [itcl::code $this AdjustSetting -xgrid] \
1789	-font "Arial 9"
1790	checkbutton $inner.ygrid \
1791	-text "Y" \
1792	-variable [itcl::scope _settings(-ygrid)] \
1793	-command [itcl::code $this AdjustSetting -ygrid] \
1794	-font "Arial 9"
1795	checkbutton $inner.zgrid \
1796	-text "Z" \
1797	-variable [itcl::scope _settings(-zgrid)] \
1798	-command [itcl::code $this AdjustSetting -zgrid] \
1799	-font "Arial 9"
1800	checkbutton $inner.minorticks \
1801	-text "Minor Ticks" \
1802	-variable [itcl::scope _settings(-axisminorticks)] \
1803	-command [itcl::code $this AdjustSetting -axisminorticks] \
1804	-font "Arial 9"
1805
1806	label $inner.mode_l -text "Mode" -font "Arial 9"
1807
1808	itk_component add axisMode {
1809	Rappture::Combobox $inner.mode -width 10 -editable no
1810	}
1811	$inner.mode choices insert end \
1812	"static_triad" "static" \
1813	"closest_triad" "closest" \
1814	"furthest_triad" "farthest" \
1815	"outer_edges" "outer"
1816	$itk_component(axisMode) value $_settings(-axismode)
1817	bind $inner.mode <<Value>> [itcl::code $this AdjustSetting -axismode]
1818
1819	blt::table $inner \
1820	0,0 $inner.visible -anchor w -cspan 4 \
1821	1,0 $inner.labels -anchor w -cspan 4 \
1822	2,0 $inner.minorticks -anchor w -cspan 4 \
1823	4,0 $inner.grid_l -anchor w \
1824	4,1 $inner.xgrid -anchor w \
1825	4,2 $inner.ygrid -anchor w \
1826	4,3 $inner.zgrid -anchor w \
1827	5,0 $inner.mode_l -anchor w -padx { 2 0 } \
1828	5,1 $inner.mode -fill x -cspan 3
1829
1830	blt::table configure $inner r* c* -resize none
1831	blt::table configure $inner r7 c6 -resize expand
1832	blt::table configure $inner r3 -height 0.125i
1833	}
1834
1835	itcl::body Rappture::VtkGlyphViewer::BuildCameraTab {} {
1836	set inner [$itk_component(main) insert end \
1837	-title "Camera Settings" \
1838	-icon [Rappture::icon camera]]
1839	$inner configure -borderwidth 4
1840
1841	label $inner.view_l -text "view" -font "Arial 9"
1842	set f [frame $inner.view]
1843	foreach side { front back left right top bottom } {
1844	button $f.$side -image [Rappture::icon view$side] \
1845	-command [itcl::code $this SetOrientation $side]
1846	Rappture::Tooltip::for $f.$side "Change the view to $side"
1847	pack $f.$side -side left
1848	}
1849
1850	blt::table $inner \
1851	0,0 $inner.view_l -anchor e -pady 2 \
1852	0,1 $inner.view -anchor w -pady 2
1853	blt::table configure $inner r0 -resize none
1854
1855	set labels { qx qy qz qw xpan ypan zoom }
1856	set row 1
1857	foreach tag $labels {
1858	label $inner.${tag}label -text $tag -font "Arial 9"
1859	entry $inner.${tag} -font "Arial 9" -bg white \
1860	-textvariable [itcl::scope _view(-$tag)]
1861	bind $inner.${tag} <Return> \
1862	[itcl::code $this camera set -${tag}]
1863	bind $inner.${tag} <KP_Enter> \
1864	[itcl::code $this camera set -${tag}]
1865	blt::table $inner \
1866	$row,0 $inner.${tag}label -anchor e -pady 2 \
1867	$row,1 $inner.${tag} -anchor w -pady 2
1868	blt::table configure $inner r$row -resize none
1869	incr row
1870	}
1871	checkbutton $inner.ortho \
1872	-text "Orthographic Projection" \
1873	-variable [itcl::scope _view(-ortho)] \
1874	-command [itcl::code $this camera set -ortho] \
1875	-font "Arial 9"
1876	blt::table $inner \
1877	$row,0 $inner.ortho -cspan 2 -anchor w -pady 2
1878	blt::table configure $inner r$row -resize none
1879	incr row
1880
1881	blt::table configure $inner c* -resize none
1882	blt::table configure $inner c2 -resize expand
1883	blt::table configure $inner r$row -resize expand
1884	}
1885
1886	itcl::body Rappture::VtkGlyphViewer::BuildCutplaneTab {} {
1887
1888	set fg [option get $itk_component(hull) font Font]
1889
1890	set inner [$itk_component(main) insert end \
1891	-title "Cutplane Settings" \
1892	-icon [Rappture::icon cutbutton]]
1893
1894	$inner configure -borderwidth 4
1895
1896	checkbutton $inner.visible \
1897	-text "Cutplanes" \
1898	-variable [itcl::scope _settings(-cutplanevisible)] \
1899	-command [itcl::code $this AdjustSetting -cutplanevisible] \
1900	-font "Arial 9"
1901
1902	checkbutton $inner.wireframe \
1903	-text "Wireframe" \
1904	-variable [itcl::scope _settings(-cutplanewireframe)] \
1905	-command [itcl::code $this AdjustSetting -cutplanewireframe] \
1906	-font "Arial 9"
1907
1908	checkbutton $inner.lighting \
1909	-text "Enable Lighting" \
1910	-variable [itcl::scope _settings(-cutplanelighting)] \
1911	-command [itcl::code $this AdjustSetting -cutplanelighting] \
1912	-font "Arial 9"
1913
1914	checkbutton $inner.edges \
1915	-text "Edges" \
1916	-variable [itcl::scope _settings(-cutplaneedges)] \
1917	-command [itcl::code $this AdjustSetting -cutplaneedges] \
1918	-font "Arial 9"
1919
1920	checkbutton $inner.preinterp \
1921	-text "Interpolate Scalars" \
1922	-variable [itcl::scope _settings(-cutplanepreinterp)] \
1923	-command [itcl::code $this AdjustSetting -cutplanepreinterp] \
1924	-font "Arial 9"
1925
1926	label $inner.opacity_l -text "Opacity" -font "Arial 9"
1927	::scale $inner.opacity -from 0 -to 100 -orient horizontal \
1928	-variable [itcl::scope _settings(-cutplaneopacity)] \
1929	-width 10 \
1930	-showvalue off \
1931	-command [itcl::code $this AdjustSetting -cutplaneopacity]
1932	$inner.opacity set $_settings(-cutplaneopacity)
1933
1934	# X-value slicer...
1935	itk_component add xbutton {
1936	Rappture::PushButton $inner.xbutton \
1937	-onimage [Rappture::icon x-cutplane-red] \
1938	-offimage [Rappture::icon x-cutplane-red] \
1939	-command [itcl::code $this AdjustSetting -cutplanexvisible] \
1940	-variable [itcl::scope _settings(-cutplanexvisible)] \
1941	}
1942	Rappture::Tooltip::for $itk_component(xbutton) \
1943	"Toggle the X-axis cutplane on/off"
1944	$itk_component(xbutton) select
1945	itk_component add xposition {
1946	::scale $inner.xval -from 100 -to 0 \
1947	-width 10 -orient vertical -showvalue yes \
1948	-borderwidth 1 -highlightthickness 0 \
1949	-command [itcl::code $this EventuallySetCutplane x] \
1950	-variable [itcl::scope _settings(-cutplanexposition)] \
1951	-foreground red2 -font "Arial 9 bold"
1952	} {
1953	usual
1954	ignore -borderwidth -highlightthickness -foreground -font -background
1955	}
1956	# Set the default cutplane value before disabling the scale.
1957	$itk_component(xposition) set 50
1958	$itk_component(xposition) configure -state disabled
1959	Rappture::Tooltip::for $itk_component(xposition) \
1960	"@[itcl::code $this Slice tooltip x]"
1961
1962	# Y-value slicer...
1963	itk_component add ybutton {
1964	Rappture::PushButton $inner.ybutton \
1965	-onimage [Rappture::icon y-cutplane-green] \
1966	-offimage [Rappture::icon y-cutplane-green] \
1967	-command [itcl::code $this AdjustSetting -cutplaneyvisible] \
1968	-variable [itcl::scope _settings(-cutplaneyvisible)] \
1969	}
1970	Rappture::Tooltip::for $itk_component(ybutton) \
1971	"Toggle the Y-axis cutplane on/off"
1972	$itk_component(ybutton) select
1973
1974	itk_component add yposition {
1975	::scale $inner.yval -from 100 -to 0 \
1976	-width 10 -orient vertical -showvalue yes \
1977	-borderwidth 1 -highlightthickness 0 \
1978	-command [itcl::code $this EventuallySetCutplane y] \
1979	-variable [itcl::scope _settings(-cutplaneyposition)] \
1980	-foreground green3 -font "Arial 9 bold"
1981	} {
1982	usual
1983	ignore -borderwidth -highlightthickness -foreground -font
1984	}
1985	Rappture::Tooltip::for $itk_component(yposition) \
1986	"@[itcl::code $this Slice tooltip y]"
1987	# Set the default cutplane value before disabling the scale.
1988	$itk_component(yposition) set 50
1989	$itk_component(yposition) configure -state disabled
1990
1991	# Z-value slicer...
1992	itk_component add zbutton {
1993	Rappture::PushButton $inner.zbutton \
1994	-onimage [Rappture::icon z-cutplane-blue] \
1995	-offimage [Rappture::icon z-cutplane-blue] \
1996	-command [itcl::code $this AdjustSetting -cutplanezvisible] \
1997	-variable [itcl::scope _settings(-cutplanezvisible)] \
1998	} {
1999	usual
2000	ignore -foreground
2001	}
2002	Rappture::Tooltip::for $itk_component(zbutton) \
2003	"Toggle the Z-axis cutplane on/off"
2004	$itk_component(zbutton) select
2005
2006	itk_component add zposition {
2007	::scale $inner.zval -from 100 -to 0 \
2008	-width 10 -orient vertical -showvalue yes \
2009	-borderwidth 1 -highlightthickness 0 \
2010	-command [itcl::code $this EventuallySetCutplane z] \
2011	-variable [itcl::scope _settings(-cutplanezposition)] \
2012	-foreground blue3 -font "Arial 9 bold"
2013	} {
2014	usual
2015	ignore -borderwidth -highlightthickness -foreground -font
2016	}
2017	$itk_component(zposition) set 50
2018	$itk_component(zposition) configure -state disabled
2019	Rappture::Tooltip::for $itk_component(zposition) \
2020	"@[itcl::code $this Slice tooltip z]"
2021
2022	blt::table $inner \
2023	0,0 $inner.visible -anchor w -pady 2 -cspan 3 \
2024	1,0 $inner.lighting -anchor w -pady 2 -cspan 3 \
2025	2,0 $inner.wireframe -anchor w -pady 2 -cspan 3 \
2026	3,0 $inner.edges -anchor w -pady 2 -cspan 3 \
2027	4,0 $inner.preinterp -anchor w -pady 2 -cspan 3 \
2028	5,0 $inner.opacity_l -anchor w -pady 2 -cspan 1 \
2029	5,1 $inner.opacity -fill x -pady 2 -cspan 3 \
2030	6,0 $inner.xbutton -anchor w -padx 2 -pady 2 \
2031	7,0 $inner.ybutton -anchor w -padx 2 -pady 2 \
2032	8,0 $inner.zbutton -anchor w -padx 2 -pady 2 \
2033	6,1 $inner.xval -fill y -rspan 4 \
2034	6,2 $inner.yval -fill y -rspan 4 \
2035	6,3 $inner.zval -fill y -rspan 4 \
2036
2037	blt::table configure $inner r* c* -resize none
2038	blt::table configure $inner r9 c4 -resize expand
2039	}
2040
2041	#
2042	# camera --
2043	#
2044	itcl::body Rappture::VtkGlyphViewer::camera {option args} {
2045	switch -- $option {
2046	"show" {
2047	puts [array get _view]
2048	}
2049	"set" {
2050	set what [lindex $args 0]
2051	set x $_view($what)
2052	set code [catch { string is double $x } result]
2053	if { $code != 0 \|\| !$result } {
2054	return
2055	}
2056	switch -- $what {
2057	"-ortho" {
2058	if {$_view($what)} {
2059	SendCmd "camera mode ortho"
2060	} else {
2061	SendCmd "camera mode persp"
2062	}
2063	}
2064	"-xpan" - "-ypan" {
2065	PanCamera
2066	}
2067	"-qx" - "-qy" - "-qz" - "-qw" {
2068	set q [ViewToQuaternion]
2069	$_arcball quaternion $q
2070	EventuallyRotate $q
2071	}
2072	"-zoom" {
2073	SendCmd "camera zoom $_view($what)"
2074	}
2075	}
2076	}
2077	}
2078	}
2079
2080	itcl::body Rappture::VtkGlyphViewer::GetVtkData { args } {
2081	set bytes ""
2082	foreach dataobj [get] {
2083	foreach cname [$dataobj components] {
2084	set tag $dataobj-$cname
2085	set contents [$dataobj vtkdata $cname]
2086	append bytes "$contents\n"
2087	}
2088	}
2089	return [list .vtk $bytes]
2090	}
2091
2092	itcl::body Rappture::VtkGlyphViewer::GetImage { args } {
2093	if { [image width $_image(download)] > 0 &&
2094	[image height $_image(download)] > 0 } {
2095	set bytes [$_image(download) data -format "jpeg -quality 100"]
2096	set bytes [Rappture::encoding::decode -as b64 $bytes]
2097	return [list .jpg $bytes]
2098	}
2099	return ""
2100	}
2101
2102	itcl::body Rappture::VtkGlyphViewer::BuildDownloadPopup { popup command } {
2103	Rappture::Balloon $popup \
2104	-title "[Rappture::filexfer::label downloadWord] as..."
2105	set inner [$popup component inner]
2106	label $inner.summary -text "" -anchor w
2107	radiobutton $inner.vtk_button -text "VTK data file" \
2108	-variable [itcl::scope _downloadPopup(format)] \
2109	-font "Arial 9 " \
2110	-value vtk
2111	Rappture::Tooltip::for $inner.vtk_button "Save as VTK data file."
2112	radiobutton $inner.image_button -text "Image File" \
2113	-variable [itcl::scope _downloadPopup(format)] \
2114	-font "Arial 9 " \
2115	-value image
2116	Rappture::Tooltip::for $inner.image_button \
2117	"Save as digital image."
2118
2119	button $inner.ok -text "Save" \
2120	-highlightthickness 0 -pady 2 -padx 3 \
2121	-command $command \
2122	-compound left \
2123	-image [Rappture::icon download]
2124
2125	button $inner.cancel -text "Cancel" \
2126	-highlightthickness 0 -pady 2 -padx 3 \
2127	-command [list $popup deactivate] \
2128	-compound left \
2129	-image [Rappture::icon cancel]
2130
2131	blt::table $inner \
2132	0,0 $inner.summary -cspan 2 \
2133	1,0 $inner.vtk_button -anchor w -cspan 2 -padx { 4 0 } \
2134	2,0 $inner.image_button -anchor w -cspan 2 -padx { 4 0 } \
2135	4,1 $inner.cancel -width .9i -fill y \
2136	4,0 $inner.ok -padx 2 -width .9i -fill y
2137	blt::table configure $inner r3 -height 4
2138	blt::table configure $inner r4 -pady 4
2139	raise $inner.image_button
2140	$inner.vtk_button invoke
2141	return $inner
2142	}
2143
2144	itcl::body Rappture::VtkGlyphViewer::SetObjectStyle { dataobj comp } {
2145	# Parse style string.
2146	set tag $dataobj-$comp
2147	array set style {
2148	-color BCGYR
2149	-edgecolor black
2150	-edges 0
2151	-gscale 1
2152	-lighting 1
2153	-linewidth 1.0
2154	-normscale 1
2155	-opacity 1.0
2156	-orientGlyphs 1
2157	-outline 0
2158	-ptsize 1.0
2159	-quality 1
2160	-scaleMode "vmag"
2161	-shape "arrow"
2162	-wireframe 0
2163	}
2164	set numComponents [$dataobj numComponents $comp]
2165	if {$numComponents == 3} {
2166	set style(-shape) "arrow"
2167	set style(-orientGlyphs) 1
2168	set style(-scaleMode) "vmag"
2169	} else {
2170	set style(-shape) "sphere"
2171	set style(-orientGlyphs) 0
2172	set style(-scaleMode) "scalar"
2173	}
2174	array set style [$dataobj style $comp]
2175	if { $dataobj != $_first } {
2176	set style(-opacity) 1
2177	}
2178	if 0 {
2179	SendCmd "cutplane add $tag"
2180	SendCmd "cutplane visible 0 $tag"
2181	}
2182	# This is too complicated. We want to set the colormap, number of
2183	# glyph and opacity for the dataset. They can be the default values,
2184	# the style hints loaded with the dataset, or set by user controls. As
2185	# datasets get loaded, they first use the defaults that are overidden
2186	# by the style hints. If the user changes the global controls, then that
2187	# overrides everything else. I don't know what it means when global
2188	# controls are specified as style hints by each dataset. It complicates
2189	# the code to handle aberrant cases.
2190
2191	if { $_changed(-glyphopacity) } {
2192	set style(-opacity) [expr $_settings(-glyphopacity) * 0.01]
2193	}
2194	if { $_changed(-colormap) } {
2195	set style(-color) $_settings(-colormap)
2196	}
2197	if { $_currentColormap == "" } {
2198	$itk_component(colormap) value $style(-color)
2199	}
2200
2201	SendCmd "outline add $tag"
2202	SendCmd "outline color [Color2RGB $itk_option(-plotforeground)] $tag"
2203	SendCmd "outline visible $style(-outline) $tag"
2204	set _settings(-glyphoutline) $style(-outline)
2205
2206	SendCmd "glyphs add $style(-shape) $tag"
2207	set _settings(-glyphshape) $style(-shape)
2208	$itk_component(gshape) value $style(-shape)
2209	SendCmd "glyphs edges $style(-edges) $tag"
2210	set _settings(-glyphedges) $style(-edges)
2211
2212	# normscale=1 and gscale=1 are defaults
2213	if {$style(-normscale) != 1} {
2214	SendCmd "glyphs normscale $style(-normscale) $tag"
2215	}
2216	if {$style(-gscale) != 1} {
2217	SendCmd "glyphs gscale $style(-gscale) $tag"
2218	}
2219	set _settings(-glyphnormscale) $style(-normscale)
2220	set _settings(-glyphscale) $style(-gscale)
2221
2222	# constant color only used if colormode set to constant
2223	SendCmd "glyphs color [Color2RGB $itk_option(-plotforeground)] $tag"
2224	# Omitting field name for gorient and smode commands
2225	# defaults to active scalars or vectors depending on mode
2226	SendCmd "glyphs gorient $style(-orientGlyphs) {} $tag"
2227	set _settings(-glyphorient) $style(-orientGlyphs)
2228	SendCmd "glyphs smode $style(-scaleMode) {} $tag"
2229	set _settings(-glyphscalemode) $style(-scaleMode)
2230	$itk_component(scaleMode) value "[$itk_component(scaleMode) label $style(-scaleMode)]"
2231	SendCmd "glyphs quality $style(-quality) $tag"
2232	SendCmd "glyphs lighting $style(-lighting) $tag"
2233	set _settings(-glyphlighting) $style(-lighting)
2234	SendCmd "glyphs linecolor [Color2RGB $style(-edgecolor)] $tag"
2235	SendCmd "glyphs linewidth $style(-linewidth) $tag"
2236	SendCmd "glyphs ptsize $style(-ptsize) $tag"
2237	SendCmd "glyphs opacity $style(-opacity) $tag"
2238	set _settings(-glyphopacity) [expr $style(-opacity) * 100.0]
2239	SetCurrentColormap $style(-color)
2240	SendCmd "glyphs wireframe $style(-wireframe) $tag"
2241	set _settings(-glyphwireframe) $style(-wireframe)
2242	}
2243
2244	itcl::body Rappture::VtkGlyphViewer::IsValidObject { dataobj } {
2245	if {[catch {$dataobj isa Rappture::Field} valid] != 0 \|\| !$valid} {
2246	return 0
2247	}
2248	return 1
2249	}
2250
2251	#
2252	# EnterLegend --
2253	#
2254	itcl::body Rappture::VtkGlyphViewer::EnterLegend { x y } {
2255	SetLegendTip $x $y
2256	}
2257
2258	#
2259	# MotionLegend --
2260	#
2261	itcl::body Rappture::VtkGlyphViewer::MotionLegend { x y } {
2262	Rappture::Tooltip::tooltip cancel
2263	set c $itk_component(view)
2264	set cw [winfo width $c]
2265	set ch [winfo height $c]
2266	if { $x >= 0 && $x < $cw && $y >= 0 && $y < $ch } {
2267	SetLegendTip $x $y
2268	}
2269	}
2270
2271	#
2272	# LeaveLegend --
2273	#
2274	itcl::body Rappture::VtkGlyphViewer::LeaveLegend { } {
2275	Rappture::Tooltip::tooltip cancel
2276	.rappturetooltip configure -icon ""
2277	}
2278
2279	#
2280	# SetLegendTip --
2281	#
2282	itcl::body Rappture::VtkGlyphViewer::SetLegendTip { x y } {
2283	set fname $_curFldName
2284	set c $itk_component(view)
2285	set w [winfo width $c]
2286	set h [winfo height $c]
2287
2288	set font "Arial 8"
2289	set lineht [font metrics $font -linespace]
2290
2291	set ih [image height $_image(legend)]
2292	set iy [expr $y - ($lineht + 2)]
2293
2294	if { [string match "component*" $fname] } {
2295	set title ""
2296	} else {
2297	if { [info exists _fields($fname)] } {
2298	foreach { title units } $_fields($fname) break
2299	if { $units != "" } {
2300	set title [format "%s (%s)" $title $units]
2301	}
2302	} else {
2303	set title $fname
2304	}
2305	}
2306	# If there's a legend title, increase the offset by the line height.
2307	if { $title != "" } {
2308	incr iy -$lineht
2309	}
2310	# Make a swatch of the selected color
2311	if { [catch { $_image(legend) get 10 $iy } pixel] != 0 } {
2312	return
2313	}
2314	if { ![info exists _image(swatch)] } {
2315	set _image(swatch) [image create photo -width 24 -height 24]
2316	}
2317	set color [eval format "\#%02x%02x%02x" $pixel]
2318	$_image(swatch) put black -to 0 0 23 23
2319	$_image(swatch) put $color -to 1 1 22 22
2320	.rappturetooltip configure -icon $_image(swatch)
2321
2322	# Compute the value of the point
2323	if { [info exists _limits($_curFldName)] } {
2324	foreach { vmin vmax } $_limits($_curFldName) break
2325	set t [expr 1.0 - (double($iy) / double($ih-1))]
2326	set value [expr $t * ($vmax - $vmin) + $vmin]
2327	} else {
2328	set value 0.0
2329	}
2330	set tx [expr $x + 15]
2331	set ty [expr $y - 5]
2332	Rappture::Tooltip::text $c [format "$title %g" $value]
2333	Rappture::Tooltip::tooltip show $c +$tx,+$ty
2334	}
2335
2336	# ----------------------------------------------------------------------
2337	# USAGE: Slice move x\|y\|z <newval>
2338	#
2339	# Called automatically when the user drags the slider to move the
2340	# cut plane that slices 3D data. Gets the current value from the
2341	# slider and moves the cut plane to the appropriate point in the
2342	# data set.
2343	# ----------------------------------------------------------------------
2344	itcl::body Rappture::VtkGlyphViewer::Slice {option args} {
2345	switch -- $option {
2346	"move" {
2347	set axis [lindex $args 0]
2348	set newval [lindex $args 1]
2349	if {[llength $args] != 2} {
2350	error "wrong # args: should be \"Slice move x\|y\|z newval\""
2351	}
2352	set newpos [expr {0.01*$newval}]
2353	SendCmd "cutplane slice $axis $newpos"
2354	}
2355	"tooltip" {
2356	set axis [lindex $args 0]
2357	set val [$itk_component(${axis}position) get]
2358	return "Move the [string toupper $axis] cut plane.\nCurrently: $axis = $val%"
2359	}
2360	default {
2361	error "bad option \"$option\": should be axis, move, or tooltip"
2362	}
2363	}
2364	}
2365
2366	#
2367	# ReceiveLegend --
2368	#
2369	# Invoked automatically whenever the "legend" command comes in from
2370	# the rendering server. Indicates that binary image data with the
2371	# specified <size> will follow.
2372	#
2373	itcl::body Rappture::VtkGlyphViewer::ReceiveLegend { colormap title min max size } {
2374	#puts stderr "ReceiveLegend colormap=$colormap title=$title range=$min,$max size=$size"
2375	set _title $title
2376	regsub {\(mag\)} $title "" _title
2377	if { [IsConnected] } {
2378	set bytes [ReceiveBytes $size]
2379	if { ![info exists _image(legend)] } {
2380	set _image(legend) [image create photo]
2381	}
2382	$_image(legend) configure -data $bytes
2383	#puts stderr "read $size bytes for [image width $_image(legend)]x[image height $_image(legend)] legend>"
2384	if { [catch {DrawLegend} errs] != 0 } {
2385	global errorInfo
2386	puts stderr "errs=$errs errorInfo=$errorInfo"
2387	}
2388	}
2389	}
2390
2391	#
2392	# DrawLegend --
2393	#
2394	# Draws the legend in the own canvas on the right side of the plot area.
2395	#
2396	itcl::body Rappture::VtkGlyphViewer::DrawLegend {} {
2397	set fname $_curFldName
2398	set c $itk_component(view)
2399	set w [winfo width $c]
2400	set h [winfo height $c]
2401	set font "Arial 8"
2402	set lineht [font metrics $font -linespace]
2403
2404	if { [string match "component*" $fname] } {
2405	set title ""
2406	} else {
2407	if { [info exists _fields($fname)] } {
2408	foreach { title units } $_fields($fname) break
2409	if { $units != "" } {
2410	set title [format "%s (%s)" $title $units]
2411	}
2412	} else {
2413	set title $fname
2414	}
2415	}
2416	set x [expr $w - 2]
2417	if { !$_settings(-legendvisible) } {
2418	$c delete legend
2419	return
2420	}
2421	if { [$c find withtag "legend"] == "" } {
2422	set y 2
2423	# If there's a legend title, create a text item for the title.
2424	$c create text $x $y \
2425	-anchor ne \
2426	-fill $itk_option(-plotforeground) -tags "title legend" \
2427	-font $font
2428	if { $title != "" } {
2429	incr y $lineht
2430	}
2431	$c create text $x $y \
2432	-anchor ne \
2433	-fill $itk_option(-plotforeground) -tags "vmax legend" \
2434	-font $font
2435	incr y $lineht
2436	$c create image $x $y \
2437	-anchor ne \
2438	-image $_image(legend) -tags "colormap legend"
2439	$c create rectangle $x $y 1 1 \
2440	-fill "" -outline "" -tags "sensor legend"
2441	$c create text $x [expr {$h-2}] \
2442	-anchor se \
2443	-fill $itk_option(-plotforeground) -tags "vmin legend" \
2444	-font $font
2445	$c bind sensor <Enter> [itcl::code $this EnterLegend %x %y]
2446	$c bind sensor <Leave> [itcl::code $this LeaveLegend]
2447	$c bind sensor <Motion> [itcl::code $this MotionLegend %x %y]
2448	}
2449	set x2 $x
2450	set iw [image width $_image(legend)]
2451	set ih [image height $_image(legend)]
2452	set x1 [expr $x2 - ($iw*12)/10]
2453
2454	$c bind title <ButtonPress> [itcl::code $this Combo post]
2455	$c bind title <Enter> [itcl::code $this Combo activate]
2456	$c bind title <Leave> [itcl::code $this Combo deactivate]
2457	# Reset the item coordinates according the current size of the plot.
2458	$c itemconfigure title -text $title
2459	if { [info exists _limits($_curFldName)] } {
2460	foreach { vmin vmax } $_limits($_curFldName) break
2461	$c itemconfigure vmin -text [format %g $vmin]
2462	$c itemconfigure vmax -text [format %g $vmax]
2463	}
2464	set y 2
2465	# If there's a legend title, move the title to the correct position
2466	if { $title != "" } {
2467	$c itemconfigure title -text $title
2468	$c coords title $x $y
2469	incr y $lineht
2470	$c raise title
2471	}
2472	$c coords vmax $x $y
2473	incr y $lineht
2474	$c coords colormap $x $y
2475	$c coords sensor [expr $x - $iw] $y $x [expr $y + $ih]
2476	$c raise sensor
2477	$c coords vmin $x [expr {$h - 2}]
2478	}
2479
2480	# ----------------------------------------------------------------------
2481	# USAGE: _dropdown post
2482	# USAGE: _dropdown unpost
2483	# USAGE: _dropdown select
2484	#
2485	# Used internally to handle the dropdown list for this combobox. The
2486	# post/unpost options are invoked when the list is posted or unposted
2487	# to manage the relief of the controlling button. The select option
2488	# is invoked whenever there is a selection from the list, to assign
2489	# the value back to the gauge.
2490	# ----------------------------------------------------------------------
2491	itcl::body Rappture::VtkGlyphViewer::Combo {option} {
2492	set c $itk_component(view)
2493	switch -- $option {
2494	post {
2495	foreach { x1 y1 x2 y2 } [$c bbox title] break
2496	set cw [winfo width $itk_component(view)]
2497	set mw [winfo reqwidth $itk_component(fieldmenu)]
2498	set x1 [expr $cw - $mw]
2499	set x [expr $x1 + [winfo rootx $itk_component(view)]]
2500	set y [expr $y2 + [winfo rooty $itk_component(view)]]
2501	tk_popup $itk_component(fieldmenu) $x $y
2502	}
2503	activate {
2504	$c itemconfigure title -fill red
2505	}
2506	deactivate {
2507	$c itemconfigure title -fill $itk_option(-plotforeground)
2508	}
2509	invoke {
2510	$itk_component(field) value $_curFldLabel
2511	AdjustSetting -field
2512	}
2513	default {
2514	error "bad option \"$option\": should be post, unpost, select"
2515	}
2516	}
2517	}
2518
2519	#
2520	# SetCurrentColormap --
2521	#
2522	itcl::body Rappture::VtkGlyphViewer::SetCurrentColormap { name } {
2523	# Keep track of the colormaps that we build.
2524	if { ![info exists _colormaps($name)] } {
2525	BuildColormap $name
2526	set _colormaps($name) 1
2527	}
2528	set _currentColormap $name
2529	SendCmd "glyphs colormap $_currentColormap"
2530	}
2531
2532	#
2533	# BuildColormap --
2534	#
2535	# Build the designated colormap on the server.
2536	#
2537	itcl::body Rappture::VtkGlyphViewer::BuildColormap { name } {
2538	set cmap [ColorsToColormap $name]
2539	if { [llength $cmap] == 0 } {
2540	set cmap "0.0 0.0 0.0 0.0 1.0 1.0 1.0 1.0"
2541	}
2542	set wmap "0.0 1.0 1.0 1.0"
2543	SendCmd "colormap add $name { $cmap } { $wmap }"
2544	}
2545
2546	itcl::body Rappture::VtkGlyphViewer::SetOrientation { side } {
2547	array set positions {
2548	front "1 0 0 0"
2549	back "0 0 1 0"
2550	left "0.707107 0 -0.707107 0"
2551	right "0.707107 0 0.707107 0"
2552	top "0.707107 -0.707107 0 0"
2553	bottom "0.707107 0.707107 0 0"
2554	}
2555	foreach name { -qw -qx -qy -qz } value $positions($side) {
2556	set _view($name) $value
2557	}
2558	set q [ViewToQuaternion]
2559	$_arcball quaternion $q
2560	SendCmd "camera orient $q"
2561	SendCmd "camera reset"
2562	set _view(-xpan) 0
2563	set _view(-ypan) 0
2564	set _view(-zoom) 1.0
2565	}

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