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source: trunk/gui/scripts/vtkglyphviewer.tcl @ 3779

Last change on this file since 3779 was 3779, checked in by ldelgass, 11 years ago
Fixes for legend in glyph/isosurface viewer.
File size: 82.2 KB

Line
1	# -- mode: tcl; indent-tabs-mode: nil --
2
3	# ----------------------------------------------------------------------
4	# COMPONENT: vtkglyphviewer - Vtk 3D glyphs object viewer
5	#
6	# It connects to the Vtk server running on a rendering farm,
7	# transmits data, and displays the results.
8	# ======================================================================
9	# AUTHOR: Michael McLennan, Purdue University
10	# Copyright (c) 2004-2005 Purdue Research Foundation
11	#
12	# See the file "license.terms" for information on usage and
13	# redistribution of this file, and for a DISCLAIMER OF ALL WARRANTIES.
14	# ======================================================================
15	package require Itk
16	package require BLT
17	#package require Img
18
19	option add *VtkGlyphViewer.width 4i widgetDefault
20	option add VtkGlyphViewercursor crosshair widgetDefault
21	option add *VtkGlyphViewer.height 4i widgetDefault
22	option add *VtkGlyphViewer.foreground black widgetDefault
23	option add *VtkGlyphViewer.controlBackground gray widgetDefault
24	option add *VtkGlyphViewer.controlDarkBackground #999999 widgetDefault
25	option add *VtkGlyphViewer.plotBackground black widgetDefault
26	option add *VtkGlyphViewer.plotForeground white widgetDefault
27	option add *VtkGlyphViewer.font \
28	--helvetica-medium-r-normal--12-* widgetDefault
29
30	# must use this name -- plugs into Rappture::resources::load
31	proc VtkGlyphViewer_init_resources {} {
32	Rappture::resources::register \
33	vtkvis_server Rappture::VtkGlyphViewer::SetServerList
34	}
35
36	itcl::class Rappture::VtkGlyphViewer {
37	inherit Rappture::VisViewer
38
39	itk_option define -plotforeground plotForeground Foreground ""
40	itk_option define -plotbackground plotBackground Background ""
41
42	constructor { hostlist args } {
43	Rappture::VisViewer::constructor $hostlist
44	} {
45	# defined below
46	}
47	destructor {
48	# defined below
49	}
50	public proc SetServerList { namelist } {
51	Rappture::VisViewer::SetServerList "vtkvis" $namelist
52	}
53	public method add {dataobj {settings ""}}
54	public method camera {option args}
55	public method delete {args}
56	public method disconnect {}
57	public method download {option args}
58	public method get {args}
59	public method isconnected {}
60	public method limits { colormap }
61	public method parameters {title args} {
62	# do nothing
63	}
64	public method scale {args}
65
66	protected method Connect {}
67	protected method CurrentDatasets {args}
68	protected method Disconnect {}
69	protected method DoResize {}
70	protected method DoRotate {}
71	protected method AdjustSetting {what {value ""}}
72	protected method InitSettings { args }
73	protected method Pan {option x y}
74	protected method Pick {x y}
75	protected method Rebuild {}
76	protected method ReceiveDataset { args }
77	protected method ReceiveImage { args }
78	protected method ReceiveLegend { colormap title vmin vmax size }
79	protected method Rotate {option x y}
80	protected method Zoom {option}
81
82	# The following methods are only used by this class.
83	private method BuildAxisTab {}
84	private method BuildCameraTab {}
85	private method BuildColormap { name }
86	private method BuildCutplaneTab {}
87	private method BuildDownloadPopup { widget command }
88	private method BuildGlyphTab {}
89	private method DrawLegend {}
90	private method Combo { option }
91	private method EnterLegend { x y }
92	private method EventuallyResize { w h }
93	private method EventuallyRotate { q }
94	private method EventuallyRequestLegend {}
95	private method EventuallySetCutplane { axis args }
96	private method GetImage { args }
97	private method GetVtkData { args }
98	private method IsValidObject { dataobj }
99	private method LeaveLegend {}
100	private method MotionLegend { x y }
101	private method PanCamera {}
102	private method RequestLegend {}
103	private method SetLegendTip { x y }
104	private method SetObjectStyle { dataobj comp }
105	private method Slice {option args}
106	private method SetCurrentColormap { color }
107	private method SetOrientation { side }
108
109	private variable _arcball ""
110
111	private variable _dlist "" ; # list of data objects
112	private variable _obj2datasets
113	private variable _obj2ovride ; # maps dataobj => style override
114	private variable _datasets ; # contains all the dataobj-component
115	; # datasets in the server
116	private variable _colormaps ; # contains all the colormaps
117	; # in the server.
118	# The name of the current colormap used. The colormap is global to all
119	# heightmaps displayed.
120	private variable _currentColormap ""
121	private variable _currentOpacity ""
122
123	private variable _dataset2style ;# maps dataobj-component to transfunc
124
125	private variable _click ; # info used for rotate operations
126	private variable _limits ; # autoscale min/max for all axes
127	private variable _view ; # view params for 3D view
128	private variable _settings
129	private variable _style; # Array of current component styles.
130	private variable _changed
131	private variable _initialStyle; # Array of initial component styles.
132	private variable _reset 1; # indicates if camera needs to be reset
133	# to starting position.
134
135	private variable _first "" ; # This is the topmost dataset.
136	private variable _start 0
137	private variable _title ""
138
139	common _downloadPopup; # download options from popup
140	private common _hardcopy
141	private variable _width 0
142	private variable _height 0
143	private variable _resizePending 0
144	private variable _rotatePending 0
145	private variable _cutplanePending 0
146	private variable _legendPending 0
147	private variable _field ""
148	private variable _colorMode "vmag"; # Mode of colormap (vmag or scalar)
149	private variable _fieldNames {}
150	private variable _fields
151	private variable _curFldName ""
152	private variable _curFldLabel ""
153	}
154
155	itk::usual VtkGlyphViewer {
156	keep -background -foreground -cursor -font
157	keep -plotbackground -plotforeground
158	}
159
160	# ----------------------------------------------------------------------
161	# CONSTRUCTOR
162	# ----------------------------------------------------------------------
163	itcl::body Rappture::VtkGlyphViewer::constructor {hostlist args} {
164	package require vtk
165	set _serverType "vtkvis"
166
167	# Rebuild event
168	$_dispatcher register !rebuild
169	$_dispatcher dispatch $this !rebuild "[itcl::code $this Rebuild]; list"
170
171	# Resize event
172	$_dispatcher register !resize
173	$_dispatcher dispatch $this !resize "[itcl::code $this DoResize]; list"
174
175	# Rotate event
176	$_dispatcher register !rotate
177	$_dispatcher dispatch $this !rotate "[itcl::code $this DoRotate]; list"
178
179	# Legend event
180	$_dispatcher register !legend
181	$_dispatcher dispatch $this !legend "[itcl::code $this RequestLegend]; list"
182
183	# X-Cutplane event
184	$_dispatcher register !xcutplane
185	$_dispatcher dispatch $this !xcutplane \
186	"[itcl::code $this AdjustSetting cutplaneXPosition]; list"
187
188	# Y-Cutplane event
189	$_dispatcher register !ycutplane
190	$_dispatcher dispatch $this !ycutplane \
191	"[itcl::code $this AdjustSetting cutplaneYPosition]; list"
192
193	# Z-Cutplane event
194	$_dispatcher register !zcutplane
195	$_dispatcher dispatch $this !zcutplane \
196	"[itcl::code $this AdjustSetting cutplaneZPosition]; list"
197
198	#
199	# Populate parser with commands handle incoming requests
200	#
201	$_parser alias image [itcl::code $this ReceiveImage]
202	$_parser alias dataset [itcl::code $this ReceiveDataset]
203	$_parser alias legend [itcl::code $this ReceiveLegend]
204
205	# Initialize the view to some default parameters.
206	array set _view {
207	qw 0.853553
208	qx -0.353553
209	qy 0.353553
210	qz 0.146447
211	zoom 1.0
212	xpan 0
213	ypan 0
214	ortho 0
215	}
216	set _arcball [blt::arcball create 100 100]
217	set q [list $_view(qw) $_view(qx) $_view(qy) $_view(qz)]
218	$_arcball quaternion $q
219
220	array set _settings [subst {
221	background black
222	colormap BCGYR
223	colormapVisible 1
224	field "Default"
225	axesVisible 1
226	axisLabelsVisible 1
227	axisXGrid 0
228	axisYGrid 0
229	axisZGrid 0
230	cutplaneEdges 0
231	cutplaneLighting 1
232	cutplanePreinterp 0
233	cutplaneOpacity 100
234	cutplaneVisible 0
235	cutplaneWireframe 0
236	cutplaneXPosition 50
237	cutplaneXVisible 1
238	cutplaneYPosition 50
239	cutplaneYVisible 1
240	cutplaneZPosition 50
241	cutplaneZVisible 1
242	glyphEdges 0
243	glyphLighting 1
244	glyphOpacity 100
245	saveGlyphOpacity 100
246	glyphOutline 0
247	glyphVisible 1
248	glyphWireframe 0
249	legendVisible 1
250	}]
251	array set _changed {
252	glyphOpacity 0
253	colormap 0
254	}
255
256	itk_component add view {
257	canvas $itk_component(plotarea).view \
258	-highlightthickness 0 -borderwidth 0
259	} {
260	usual
261	ignore -highlightthickness -borderwidth -background
262	}
263
264	itk_component add fieldmenu {
265	menu $itk_component(plotarea).menu -bg black -fg white -relief flat \
266	-tearoff no
267	} {
268	usual
269	ignore -background -foreground -relief -tearoff
270	}
271	set c $itk_component(view)
272	bind $c <Configure> [itcl::code $this EventuallyResize %w %h]
273	bind $c <4> [itcl::code $this Zoom in 0.25]
274	bind $c <5> [itcl::code $this Zoom out 0.25]
275	bind $c <KeyPress-Left> [list %W xview scroll 10 units]
276	bind $c <KeyPress-Right> [list %W xview scroll -10 units]
277	bind $c <KeyPress-Up> [list %W yview scroll 10 units]
278	bind $c <KeyPress-Down> [list %W yview scroll -10 units]
279	bind $c <Enter> "focus %W"
280	bind $c <Control-F1> [itcl::code $this ToggleConsole]
281
282	# Fix the scrollregion in case we go off screen
283	$c configure -scrollregion [$c bbox all]
284
285	set _map(id) [$c create image 0 0 -anchor nw -image $_image(plot)]
286	set _map(cwidth) -1
287	set _map(cheight) -1
288	set _map(zoom) 1.0
289	set _map(original) ""
290
291	set f [$itk_component(main) component controls]
292	itk_component add reset {
293	button $f.reset -borderwidth 1 -padx 1 -pady 1 \
294	-highlightthickness 0 \
295	-image [Rappture::icon reset-view] \
296	-command [itcl::code $this Zoom reset]
297	} {
298	usual
299	ignore -highlightthickness
300	}
301	pack $itk_component(reset) -side top -padx 2 -pady 2
302	Rappture::Tooltip::for $itk_component(reset) \
303	"Reset the view to the default zoom level"
304
305	itk_component add zoomin {
306	button $f.zin -borderwidth 1 -padx 1 -pady 1 \
307	-highlightthickness 0 \
308	-image [Rappture::icon zoom-in] \
309	-command [itcl::code $this Zoom in]
310	} {
311	usual
312	ignore -highlightthickness
313	}
314	pack $itk_component(zoomin) -side top -padx 2 -pady 2
315	Rappture::Tooltip::for $itk_component(zoomin) "Zoom in"
316
317	itk_component add zoomout {
318	button $f.zout -borderwidth 1 -padx 1 -pady 1 \
319	-highlightthickness 0 \
320	-image [Rappture::icon zoom-out] \
321	-command [itcl::code $this Zoom out]
322	} {
323	usual
324	ignore -highlightthickness
325	}
326	pack $itk_component(zoomout) -side top -padx 2 -pady 2
327	Rappture::Tooltip::for $itk_component(zoomout) "Zoom out"
328
329	itk_component add glyphs {
330	Rappture::PushButton $f.glyphs \
331	-onimage [Rappture::icon volume-on] \
332	-offimage [Rappture::icon volume-off] \
333	-variable [itcl::scope _settings(glyphVisible)] \
334	-command [itcl::code $this AdjustSetting glyphVisible]
335	}
336	$itk_component(glyphs) select
337	Rappture::Tooltip::for $itk_component(glyphs) \
338	"Don't display the glyphs"
339	pack $itk_component(glyphs) -padx 2 -pady 2
340
341	itk_component add cutplane {
342	Rappture::PushButton $f.cutplane \
343	-onimage [Rappture::icon cutbutton] \
344	-offimage [Rappture::icon cutbutton] \
345	-variable [itcl::scope _settings(cutplaneVisible)] \
346	-command [itcl::code $this AdjustSetting cutplaneVisible]
347	}
348	Rappture::Tooltip::for $itk_component(cutplane) \
349	"Show/Hide cutplanes"
350	pack $itk_component(cutplane) -padx 2 -pady 2
351
352
353	if { [catch {
354	BuildGlyphTab
355	#BuildCutplaneTab
356	BuildAxisTab
357	BuildCameraTab
358	} errs] != 0 } {
359	puts stderr errs=$errs
360	}
361	# Legend
362
363	set _image(legend) [image create photo]
364	itk_component add legend {
365	canvas $itk_component(plotarea).legend -width 50 -highlightthickness 0
366	} {
367	usual
368	ignore -highlightthickness
369	rename -background -plotbackground plotBackground Background
370	}
371
372	# Hack around the Tk panewindow. The problem is that the requested
373	# size of the 3d view isn't set until an image is retrieved from
374	# the server. So the panewindow uses the tiny size.
375	set w 10000
376	pack forget $itk_component(view)
377	blt::table $itk_component(plotarea) \
378	0,0 $itk_component(view) -fill both -reqwidth $w
379	blt::table configure $itk_component(plotarea) c1 -resize none
380
381	# Bindings for rotation via mouse
382	bind $itk_component(view) <ButtonPress-1> \
383	[itcl::code $this Rotate click %x %y]
384	bind $itk_component(view) <B1-Motion> \
385	[itcl::code $this Rotate drag %x %y]
386	bind $itk_component(view) <ButtonRelease-1> \
387	[itcl::code $this Rotate release %x %y]
388
389	# Bindings for panning via mouse
390	bind $itk_component(view) <ButtonPress-2> \
391	[itcl::code $this Pan click %x %y]
392	bind $itk_component(view) <B2-Motion> \
393	[itcl::code $this Pan drag %x %y]
394	bind $itk_component(view) <ButtonRelease-2> \
395	[itcl::code $this Pan release %x %y]
396
397	#bind $itk_component(view) <ButtonRelease-3> \
398	# [itcl::code $this Pick %x %y]
399
400	# Bindings for panning via keyboard
401	bind $itk_component(view) <KeyPress-Left> \
402	[itcl::code $this Pan set -10 0]
403	bind $itk_component(view) <KeyPress-Right> \
404	[itcl::code $this Pan set 10 0]
405	bind $itk_component(view) <KeyPress-Up> \
406	[itcl::code $this Pan set 0 -10]
407	bind $itk_component(view) <KeyPress-Down> \
408	[itcl::code $this Pan set 0 10]
409	bind $itk_component(view) <Shift-KeyPress-Left> \
410	[itcl::code $this Pan set -2 0]
411	bind $itk_component(view) <Shift-KeyPress-Right> \
412	[itcl::code $this Pan set 2 0]
413	bind $itk_component(view) <Shift-KeyPress-Up> \
414	[itcl::code $this Pan set 0 -2]
415	bind $itk_component(view) <Shift-KeyPress-Down> \
416	[itcl::code $this Pan set 0 2]
417
418	# Bindings for zoom via keyboard
419	bind $itk_component(view) <KeyPress-Prior> \
420	[itcl::code $this Zoom out]
421	bind $itk_component(view) <KeyPress-Next> \
422	[itcl::code $this Zoom in]
423
424	bind $itk_component(view) <Enter> "focus $itk_component(view)"
425
426	if {[string equal "x11" [tk windowingsystem]]} {
427	# Bindings for zoom via mouse
428	bind $itk_component(view) <4> [itcl::code $this Zoom out]
429	bind $itk_component(view) <5> [itcl::code $this Zoom in]
430	}
431
432	set _image(download) [image create photo]
433
434	eval itk_initialize $args
435	Connect
436	update
437	}
438
439	# ----------------------------------------------------------------------
440	# DESTRUCTOR
441	# ----------------------------------------------------------------------
442	itcl::body Rappture::VtkGlyphViewer::destructor {} {
443	Disconnect
444	image delete $_image(plot)
445	image delete $_image(download)
446	catch { blt::arcball destroy $_arcball }
447	}
448
449	itcl::body Rappture::VtkGlyphViewer::DoResize {} {
450	if { $_width < 2 } {
451	set _width 500
452	}
453	if { $_height < 2 } {
454	set _height 500
455	}
456	set _start [clock clicks -milliseconds]
457	SendCmd "screen size $_width $_height"
458
459	EventuallyRequestLegend
460	set _resizePending 0
461	}
462
463	itcl::body Rappture::VtkGlyphViewer::DoRotate {} {
464	set q [list $_view(qw) $_view(qx) $_view(qy) $_view(qz)]
465	SendCmd "camera orient $q"
466	set _rotatePending 0
467	}
468
469	itcl::body Rappture::VtkGlyphViewer::EventuallyRequestLegend {} {
470	if { !$_legendPending } {
471	set _legendPending 1
472	$_dispatcher event -idle !legend
473	}
474	}
475
476	itcl::body Rappture::VtkGlyphViewer::EventuallyResize { w h } {
477	set _width $w
478	set _height $h
479	$_arcball resize $w $h
480	if { !$_resizePending } {
481	set _resizePending 1
482	$_dispatcher event -after 400 !resize
483	}
484	}
485
486	set rotate_delay 100
487
488	itcl::body Rappture::VtkGlyphViewer::EventuallyRotate { q } {
489	foreach { _view(qw) _view(qx) _view(qy) _view(qz) } $q break
490	if { !$_rotatePending } {
491	set _rotatePending 1
492	global rotate_delay
493	$_dispatcher event -after $rotate_delay !rotate
494	}
495	}
496
497	itcl::body Rappture::VtkGlyphViewer::EventuallySetCutplane { axis args } {
498	if { !$_cutplanePending } {
499	set _cutplanePending 1
500	$_dispatcher event -after 100 !${axis}cutplane
501	}
502	}
503
504	# ----------------------------------------------------------------------
505	# USAGE: add <dataobj> ?<settings>?
506	#
507	# Clients use this to add a data object to the plot. The optional
508	# <settings> are used to configure the plot. Allowed settings are
509	# -color, -brightness, -width, -linestyle, and -raise.
510	# ----------------------------------------------------------------------
511	itcl::body Rappture::VtkGlyphViewer::add {dataobj {settings ""}} {
512	if { ![$dataobj isvalid] } {
513	return; # Object doesn't contain valid data.
514	}
515	array set params {
516	-color auto
517	-width 1
518	-linestyle solid
519	-brightness 0
520	-raise 0
521	-description ""
522	-param ""
523	-type ""
524	}
525	array set params $settings
526	set params(-description) ""
527	set params(-param) ""
528	foreach {opt val} $settings {
529	if {![info exists params($opt)]} {
530	error "bad setting \"$opt\": should be [join [lsort [array names params]] {, }]"
531	}
532	set params($opt) $val
533	}
534	if {$params(-color) == "auto" \|\| $params(-color) == "autoreset"} {
535	# can't handle -autocolors yet
536	set params(-color) black
537	}
538	set pos [lsearch -exact $dataobj $_dlist]
539	if {$pos < 0} {
540	lappend _dlist $dataobj
541	}
542	set _obj2ovride($dataobj-color) $params(-color)
543	set _obj2ovride($dataobj-width) $params(-width)
544	set _obj2ovride($dataobj-raise) $params(-raise)
545	$_dispatcher event -idle !rebuild
546	}
547
548
549	# ----------------------------------------------------------------------
550	# USAGE: delete ?<dataobj1> <dataobj2> ...?
551	#
552	# Clients use this to delete a dataobj from the plot. If no dataobjs
553	# are specified, then all dataobjs are deleted. No data objects are
554	# deleted. They are only removed from the display list.
555	#
556	# ----------------------------------------------------------------------
557	itcl::body Rappture::VtkGlyphViewer::delete {args} {
558	if { [llength $args] == 0} {
559	set args $_dlist
560	}
561	# Delete all specified dataobjs
562	set changed 0
563	foreach dataobj $args {
564	set pos [lsearch -exact $_dlist $dataobj]
565	if { $pos < 0 } {
566	continue; # Don't know anything about it.
567	}
568	# Remove it from the dataobj list.
569	set _dlist [lreplace $_dlist $pos $pos]
570	SendCmd "dataset visible 0"
571	array unset _obj2ovride $dataobj-*
572	array unset _settings $dataobj-*
573	# Append to the end of the dataobj list.
574	lappend _dlist $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 result [VisViewer::Connect $_hosts]
771	if { $result } {
772	if { $_reportClientInfo } {
773	# Tell the server the viewer, hub, user and session.
774	# Do this immediately on connect before buffing any commands
775	global env
776
777	set info {}
778	set user "???"
779	if { [info exists env(USER)] } {
780	set user $env(USER)
781	}
782	set session "???"
783	if { [info exists env(SESSION)] } {
784	set session $env(SESSION)
785	}
786	lappend info "hub" [exec hostname]
787	lappend info "client" "vtkglyphviewer"
788	lappend info "user" $user
789	lappend info "session" $session
790	SendCmd "clientinfo [list $info]"
791	}
792
793	set w [winfo width $itk_component(view)]
794	set h [winfo height $itk_component(view)]
795	EventuallyResize $w $h
796	}
797	return $result
798	}
799
800	#
801	# isconnected --
802	#
803	# Indicates if we are currently connected to the visualization server.
804	#
805	itcl::body Rappture::VtkGlyphViewer::isconnected {} {
806	return [VisViewer::IsConnected]
807	}
808
809	#
810	# disconnect --
811	#
812	itcl::body Rappture::VtkGlyphViewer::disconnect {} {
813	Disconnect
814	set _reset 1
815	}
816
817	#
818	# Disconnect --
819	#
820	# Clients use this method to disconnect from the current rendering
821	# server.
822	#
823	itcl::body Rappture::VtkGlyphViewer::Disconnect {} {
824	VisViewer::Disconnect
825
826	$_dispatcher cancel !rebuild
827	$_dispatcher cancel !resize
828	$_dispatcher cancel !rotate
829	$_dispatcher cancel !xcutplane
830	$_dispatcher cancel !ycutplane
831	$_dispatcher cancel !zcutplane
832	$_dispatcher cancel !legend
833	# disconnected -- no more data sitting on server
834	set _outbuf ""
835	array unset _datasets
836	array unset _data
837	array unset _colormaps
838	array unset _seeds
839	array unset _dataset2style
840	array unset _obj2datasets
841	}
842
843	# ----------------------------------------------------------------------
844	# USAGE: ReceiveImage -bytes <size> -type <type> -token <token>
845	#
846	# Invoked automatically whenever the "image" command comes in from
847	# the rendering server. Indicates that binary image data with the
848	# specified <size> will follow.
849	# ----------------------------------------------------------------------
850	itcl::body Rappture::VtkGlyphViewer::ReceiveImage { args } {
851	array set info {
852	-token "???"
853	-bytes 0
854	-type image
855	}
856	array set info $args
857	set bytes [ReceiveBytes $info(-bytes)]
858	if { $info(-type) == "image" } {
859	if 0 {
860	set f [open "last.ppm" "w"]
861	puts $f $bytes
862	close $f
863	}
864	$_image(plot) configure -data $bytes
865	set time [clock seconds]
866	set date [clock format $time]
867	#puts stderr "$date: received image [image width $_image(plot)]x[image height $_image(plot)] image>"
868	if { $_start > 0 } {
869	set finish [clock clicks -milliseconds]
870	#puts stderr "round trip time [expr $finish -$_start] milliseconds"
871	set _start 0
872	}
873	} elseif { $info(type) == "print" } {
874	set tag $this-print-$info(-token)
875	set _hardcopy($tag) $bytes
876	}
877	EventuallyRequestLegend
878	}
879
880	#
881	# ReceiveDataset --
882	#
883	itcl::body Rappture::VtkGlyphViewer::ReceiveDataset { args } {
884	if { ![isconnected] } {
885	return
886	}
887	set option [lindex $args 0]
888	switch -- $option {
889	"scalar" {
890	set option [lindex $args 1]
891	switch -- $option {
892	"world" {
893	foreach { x y z value tag } [lrange $args 2 end] break
894	}
895	"pixel" {
896	foreach { x y value tag } [lrange $args 2 end] break
897	}
898	}
899	}
900	"vector" {
901	set option [lindex $args 1]
902	switch -- $option {
903	"world" {
904	foreach { x y z vx vy vz tag } [lrange $args 2 end] break
905	}
906	"pixel" {
907	foreach { x y vx vy vz tag } [lrange $args 2 end] break
908	}
909	}
910	}
911	"names" {
912	foreach { name } [lindex $args 1] {
913	#puts stderr "Dataset: $name"
914	}
915	}
916	default {
917	error "unknown dataset option \"$option\" from server"
918	}
919	}
920	}
921
922	# ----------------------------------------------------------------------
923	# USAGE: Rebuild
924	#
925	# Called automatically whenever something changes that affects the
926	# data in the widget. Clears any existing data and rebuilds the
927	# widget to display new data.
928	# ----------------------------------------------------------------------
929	itcl::body Rappture::VtkGlyphViewer::Rebuild {} {
930	set w [winfo width $itk_component(view)]
931	set h [winfo height $itk_component(view)]
932	if { $w < 2 \|\| $h < 2 } {
933	$_dispatcher event -idle !rebuild
934	return
935	}
936
937	# Turn on buffering of commands to the server. We don't want to
938	# be preempted by a server disconnect/reconnect (which automatically
939	# generates a new call to Rebuild).
940	StartBufferingCommands
941
942	if { $_reset } {
943	set _width $w
944	set _height $h
945	$_arcball resize $w $h
946	DoResize
947	#
948	# Reset the camera and other view parameters
949	#
950	set q [list $_view(qw) $_view(qx) $_view(qy) $_view(qz)]
951	$_arcball quaternion $q
952	if {$_view(ortho)} {
953	SendCmd "camera mode ortho"
954	} else {
955	SendCmd "camera mode persp"
956	}
957	DoRotate
958	PanCamera
959	set _first ""
960	InitSettings axisXGrid axisYGrid axisZGrid axisMode \
961	axesVisible axisLabelsVisible
962	foreach axis { x y z } {
963	SendCmd "axis lformat $axis %g"
964	}
965	StopBufferingCommands
966	SendCmd "imgflush"
967	StartBufferingCommands
968	}
969	set _first ""
970	SendCmd "dataset visible 0"
971	foreach dataobj [get -objects] {
972	if { [info exists _obj2ovride($dataobj-raise)] && $_first == "" } {
973	set _first $dataobj
974	}
975	set _obj2datasets($dataobj) ""
976	foreach comp [$dataobj components] {
977	set tag $dataobj-$comp
978	if { ![info exists _datasets($tag)] } {
979	set bytes [$dataobj vtkdata $comp]
980	if 1 {
981	set f [open "/tmp/glyph.vtk" "w"]
982	puts $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" [$dataobj hints toolName]
990	lappend info "tool_version" [$dataobj hints toolRevision]
991	lappend info "tool_title" [$dataobj hints toolTitle]
992	lappend info "dataset_label" [$dataobj hints label]
993	lappend info "dataset_size" $length
994	lappend info "dataset_tag" $tag
995	SendCmd "clientinfo [list $info]"
996	}
997	append _outbuf "dataset add $tag data follows $length\n"
998	append _outbuf $bytes
999	set _datasets($tag) 1
1000	SetObjectStyle $dataobj $comp
1001	}
1002	lappend _obj2datasets($dataobj) $tag
1003	if { [info exists _obj2ovride($dataobj-raise)] } {
1004	# Setting dataset visible enables outline (if enabled)
1005	# and glyphs
1006	SendCmd "dataset visible 1 $tag"
1007	}
1008	}
1009	}
1010
1011	if { $_first != "" } {
1012	$itk_component(field) choices delete 0 end
1013	$itk_component(fieldmenu) delete 0 end
1014	array unset _fields
1015	set _curFldName ""
1016	foreach cname [$_first components] {
1017	foreach fname [$_first fieldnames $cname] {
1018	if { [info exists _fields($fname)] } {
1019	continue
1020	}
1021	foreach { label units components } \
1022	[$_first fieldinfo $fname] break
1023	$itk_component(field) choices insert end "$fname" "$label"
1024	$itk_component(fieldmenu) add radiobutton -label "$label" \
1025	-value $label -variable [itcl::scope _curFldLabel] \
1026	-selectcolor red \
1027	-activebackground $itk_option(-plotbackground) \
1028	-activeforeground $itk_option(-plotforeground) \
1029	-font "Arial 8" \
1030	-command [itcl::code $this Combo invoke]
1031	set _fields($fname) [list $label $units $components]
1032	if { $_curFldName == "" } {
1033	set _curFldName $fname
1034	set _curFldLabel $label
1035	}
1036	}
1037	}
1038	$itk_component(field) value $_curFldLabel
1039	}
1040	#InitSettings cutplaneVisible
1041	if { $_reset } {
1042	# These are settings that rely on a dataset being loaded.
1043	InitSettings \
1044	glyphLighting \
1045	field \
1046	glyphEdges glyphLighting glyphOpacity \
1047	glyphWireframe glyphOutline
1048
1049	#cutplaneXPosition cutplaneYPosition cutplaneZPosition \
1050	cutplaneXVisible cutplaneYVisible cutplaneZVisible \
1051	cutplanePreinterp
1052
1053	Zoom reset
1054	foreach axis { x y z } {
1055	# Another problem fixed by a <view>. We looking into a data
1056	# object for the name of the axes. This should be global to
1057	# the viewer itself.
1058	set label [$_first hints ${axis}label]
1059	if { $label == "" } {
1060	set label [string toupper $axis]
1061	}
1062	# May be a space in the axis label.
1063	SendCmd [list axis name $axis $label]
1064	}
1065	if { [array size _fields] < 2 } {
1066	blt::table forget $itk_component(field) $itk_component(field_l)
1067	}
1068	set _reset 0
1069	}
1070
1071	# Actually write the commands to the server socket. If it fails, we don't
1072	# care. We're finished here.
1073	blt::busy hold $itk_component(hull)
1074	StopBufferingCommands; # Turn off buffering and send commands.
1075	blt::busy release $itk_component(hull)
1076	}
1077
1078	# ----------------------------------------------------------------------
1079	# USAGE: CurrentDatasets ?-all -visible? ?dataobjs?
1080	#
1081	# Returns a list of server IDs for the current datasets being displayed. This
1082	# is normally a single ID, but it might be a list of IDs if the current data
1083	# object has multiple components.
1084	# ----------------------------------------------------------------------
1085	itcl::body Rappture::VtkGlyphViewer::CurrentDatasets {args} {
1086	set flag [lindex $args 0]
1087	switch -- $flag {
1088	"-all" {
1089	if { [llength $args] > 1 } {
1090	error "CurrentDatasets: can't specify dataobj after \"-all\""
1091	}
1092	set dlist [get -objects]
1093	}
1094	"-visible" {
1095	if { [llength $args] > 1 } {
1096	set dlist {}
1097	set args [lrange $args 1 end]
1098	foreach dataobj $args {
1099	if { [info exists _obj2ovride($dataobj-raise)] } {
1100	lappend dlist $dataobj
1101	}
1102	}
1103	} else {
1104	set dlist [get -visible]
1105	}
1106	}
1107	default {
1108	set dlist $args
1109	}
1110	}
1111	set rlist ""
1112	foreach dataobj $dlist {
1113	foreach comp [$dataobj components] {
1114	set tag $dataobj-$comp
1115	if { [info exists _datasets($tag)] && $_datasets($tag) } {
1116	lappend rlist $tag
1117	}
1118	}
1119	}
1120	return $rlist
1121	}
1122
1123	# ----------------------------------------------------------------------
1124	# USAGE: Zoom in
1125	# USAGE: Zoom out
1126	# USAGE: Zoom reset
1127	#
1128	# Called automatically when the user clicks on one of the zoom
1129	# controls for this widget. Changes the zoom for the current view.
1130	# ----------------------------------------------------------------------
1131	itcl::body Rappture::VtkGlyphViewer::Zoom {option} {
1132	switch -- $option {
1133	"in" {
1134	set _view(zoom) [expr {$_view(zoom)*1.25}]
1135	SendCmd "camera zoom $_view(zoom)"
1136	}
1137	"out" {
1138	set _view(zoom) [expr {$_view(zoom)*0.8}]
1139	SendCmd "camera zoom $_view(zoom)"
1140	}
1141	"reset" {
1142	array set _view {
1143	qw 0.853553
1144	qx -0.353553
1145	qy 0.353553
1146	qz 0.146447
1147	zoom 1.0
1148	xpan 0
1149	ypan 0
1150	}
1151	if { $_first != "" } {
1152	set location [$_first hints camera]
1153	if { $location != "" } {
1154	array set _view $location
1155	}
1156	}
1157	set q [list $_view(qw) $_view(qx) $_view(qy) $_view(qz)]
1158	$_arcball quaternion $q
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	# ----------------------------------------------------------------------
1173	# USAGE: Rotate click <x> <y>
1174	# USAGE: Rotate drag <x> <y>
1175	# USAGE: Rotate release <x> <y>
1176	#
1177	# Called automatically when the user clicks/drags/releases in the
1178	# plot area. Moves the plot according to the user's actions.
1179	# ----------------------------------------------------------------------
1180	itcl::body Rappture::VtkGlyphViewer::Rotate {option x y} {
1181	switch -- $option {
1182	"click" {
1183	$itk_component(view) configure -cursor fleur
1184	set _click(x) $x
1185	set _click(y) $y
1186	}
1187	"drag" {
1188	if {[array size _click] == 0} {
1189	Rotate click $x $y
1190	} else {
1191	set w [winfo width $itk_component(view)]
1192	set h [winfo height $itk_component(view)]
1193	if {$w <= 0 \|\| $h <= 0} {
1194	return
1195	}
1196
1197	if {[catch {
1198	# this fails sometimes for no apparent reason
1199	set dx [expr {double($x-$_click(x))/$w}]
1200	set dy [expr {double($y-$_click(y))/$h}]
1201	}]} {
1202	return
1203	}
1204	if { $dx == 0 && $dy == 0 } {
1205	return
1206	}
1207	set q [$_arcball rotate $x $y $_click(x) $_click(y)]
1208	EventuallyRotate $q
1209	set _click(x) $x
1210	set _click(y) $y
1211	}
1212	}
1213	"release" {
1214	Rotate drag $x $y
1215	$itk_component(view) configure -cursor ""
1216	catch {unset _click}
1217	}
1218	default {
1219	error "bad option \"$option\": should be click, drag, release"
1220	}
1221	}
1222	}
1223
1224	itcl::body Rappture::VtkGlyphViewer::Pick {x y} {
1225	foreach tag [CurrentDatasets -visible] {
1226	SendCmdNoSplash "dataset getscalar pixel $x $y $tag"
1227	}
1228	}
1229
1230	# ----------------------------------------------------------------------
1231	# USAGE: $this Pan click x y
1232	# $this Pan drag x y
1233	# $this Pan release x y
1234	#
1235	# Called automatically when the user clicks on one of the zoom
1236	# controls for this widget. Changes the zoom for the current view.
1237	# ----------------------------------------------------------------------
1238	itcl::body Rappture::VtkGlyphViewer::Pan {option x y} {
1239	switch -- $option {
1240	"set" {
1241	set w [winfo width $itk_component(view)]
1242	set h [winfo height $itk_component(view)]
1243	set x [expr $x / double($w)]
1244	set y [expr $y / double($h)]
1245	set _view(xpan) [expr $_view(xpan) + $x]
1246	set _view(ypan) [expr $_view(ypan) + $y]
1247	PanCamera
1248	return
1249	}
1250	"click" {
1251	set _click(x) $x
1252	set _click(y) $y
1253	$itk_component(view) configure -cursor hand1
1254	}
1255	"drag" {
1256	if { ![info exists _click(x)] } {
1257	set _click(x) $x
1258	}
1259	if { ![info exists _click(y)] } {
1260	set _click(y) $y
1261	}
1262	set w [winfo width $itk_component(view)]
1263	set h [winfo height $itk_component(view)]
1264	set dx [expr ($_click(x) - $x)/double($w)]
1265	set dy [expr ($_click(y) - $y)/double($h)]
1266	set _click(x) $x
1267	set _click(y) $y
1268	set _view(xpan) [expr $_view(xpan) - $dx]
1269	set _view(ypan) [expr $_view(ypan) - $dy]
1270	PanCamera
1271	}
1272	"release" {
1273	Pan drag $x $y
1274	$itk_component(view) configure -cursor ""
1275	}
1276	default {
1277	error "unknown option \"$option\": should set, click, drag, or release"
1278	}
1279	}
1280	}
1281
1282	# ----------------------------------------------------------------------
1283	# USAGE: InitSettings <what> ?<value>?
1284	#
1285	# Used internally to update rendering settings whenever parameters
1286	# change in the popup settings panel. Sends the new settings off
1287	# to the back end.
1288	# ----------------------------------------------------------------------
1289	itcl::body Rappture::VtkGlyphViewer::InitSettings { args } {
1290	foreach spec $args {
1291	if { [info exists _settings($_first-$spec)] } {
1292	# Reset global setting with dataobj specific setting
1293	set _settings($spec) $_settings($_first-$spec)
1294	}
1295	AdjustSetting $spec
1296	}
1297	}
1298
1299	#
1300	# AdjustSetting --
1301	#
1302	# Changes/updates a specific setting in the widget. There are
1303	# usually user-setable option. Commands are sent to the render
1304	# server.
1305	#
1306	itcl::body Rappture::VtkGlyphViewer::AdjustSetting {what {value ""}} {
1307	if { ![isconnected] } {
1308	return
1309	}
1310	switch -- $what {
1311	"background" {
1312	set bgcolor [$itk_component(background) value]
1313	array set fgcolors {
1314	"black" "white"
1315	"white" "black"
1316	"grey" "black"
1317	}
1318	configure -plotbackground $bgcolor \
1319	-plotforeground $fgcolors($bgcolor)
1320	$itk_component(view) delete "legend"
1321	DrawLegend
1322	}
1323	"axesVisible" {
1324	set bool $_settings(axesVisible)
1325	SendCmd "axis visible all $bool"
1326	}
1327	"axisLabelsVisible" {
1328	set bool $_settings(axisLabelsVisible)
1329	SendCmd "axis labels all $bool"
1330	}
1331	"axisXGrid" - "axisYGrid" - "axisZGrid" {
1332	set axis [string tolower [string range $what 4 4]]
1333	set bool $_settings($what)
1334	SendCmd "axis grid $axis $bool"
1335	}
1336	"axisMode" {
1337	set mode [$itk_component(axisMode) value]
1338	set mode [$itk_component(axisMode) translate $mode]
1339	set _settings($what) $mode
1340	SendCmd "axis flymode $mode"
1341	}
1342	"cutplaneEdges" {
1343	set bool $_settings($what)
1344	SendCmd "cutplane edges $bool"
1345	}
1346	"cutplaneVisible" {
1347	set bool $_settings($what)
1348	SendCmd "cutplane visible $bool"
1349	}
1350	"cutplaneWireframe" {
1351	set bool $_settings($what)
1352	SendCmd "cutplane wireframe $bool"
1353	}
1354	"cutplaneLighting" {
1355	set bool $_settings($what)
1356	SendCmd "cutplane lighting $bool"
1357	}
1358	"cutplaneOpacity" {
1359	set val $_settings($what)
1360	set sval [expr { 0.01 * double($val) }]
1361	SendCmd "cutplane opacity $sval"
1362	}
1363	"cutplanePreinterp" {
1364	set bool $_settings($what)
1365	SendCmd "cutplane preinterp $bool"
1366	}
1367	"cutplaneXVisible" - "cutplaneYVisible" - "cutplaneZVisible" {
1368	set axis [string tolower [string range $what 8 8]]
1369	set bool $_settings($what)
1370	if { $bool } {
1371	$itk_component(${axis}position) configure -state normal \
1372	-troughcolor white
1373	} else {
1374	$itk_component(${axis}position) configure -state disabled \
1375	-troughcolor grey82
1376	}
1377	SendCmd "cutplane axis $axis $bool"
1378	}
1379	"cutplaneXPosition" - "cutplaneYPosition" - "cutplaneZPosition" {
1380	set axis [string tolower [string range $what 8 8]]
1381	set pos [expr $_settings($what) * 0.01]
1382	SendCmd "cutplane slice ${axis} ${pos}"
1383	set _cutplanePending 0
1384	}
1385	"colormap" {
1386	set _changed(colormap) 1
1387	StartBufferingCommands
1388	set color [$itk_component(colormap) value]
1389	set _settings(colormap) $color
1390	if { $color == "none" } {
1391	if { $_settings(colormapVisible) } {
1392	SendCmd "glyphs colormode ccolor {}"
1393	set _settings(colormapVisible) 0
1394	}
1395	} else {
1396	if { !$_settings(colormapVisible) } {
1397	SendCmd "glyphs colormode $_colorMode $_curFldName"
1398	set _settings(colormapVisible) 1
1399	}
1400	SetCurrentColormap $color
1401	}
1402	StopBufferingCommands
1403	EventuallyRequestLegend
1404	}
1405	"glyphWireframe" {
1406	set bool $_settings(glyphWireframe)
1407	SendCmd "glyphs wireframe $bool"
1408	}
1409	"glyphVisible" {
1410	set bool $_settings(glyphVisible)
1411	SendCmd "glyphs visible $bool"
1412	if { $bool } {
1413	Rappture::Tooltip::for $itk_component(glyphs) \
1414	"Hide the glyph"
1415	} else {
1416	Rappture::Tooltip::for $itk_component(glyphs) \
1417	"Show the glyph"
1418	}
1419	DrawLegend
1420	}
1421	"glyphLighting" {
1422	set bool $_settings(glyphLighting)
1423	SendCmd "glyphs lighting $bool"
1424	}
1425	"glyphEdges" {
1426	set bool $_settings(glyphEdges)
1427	SendCmd "glyphs edges $bool"
1428	}
1429	"glyphOutline" {
1430	set bool $_settings(glyphOutline)
1431	SendCmd "outline visible $bool"
1432	}
1433	"glyphOpacity" {
1434	set val $_settings(glyphOpacity)
1435	set sval [expr { 0.01 * double($val) }]
1436	SendCmd "glyphs opacity $sval"
1437	}
1438	"field" {
1439	set label [$itk_component(field) value]
1440	set fname [$itk_component(field) translate $label]
1441	set _settings(field) $fname
1442	if { [info exists _fields($fname)] } {
1443	foreach { label units components } $_fields($fname) break
1444	if { $components > 1 } {
1445	set _colorMode vmag
1446	} else {
1447	set _colorMode scalar
1448	}
1449	set _curFldName $fname
1450	set _curFldLabel $label
1451	} else {
1452	puts stderr "unknown field \"$fname\""
1453	return
1454	}
1455	#SendCmd "dataset maprange explicit $_limits($_curFldName) $_curFldName"
1456	#SendCmd "cutplane colormode $_colorMode $_curFldName"
1457	SendCmd "glyphs colormode $_colorMode $_curFldName"
1458	DrawLegend
1459	}
1460	"legendVisible" {
1461	if { !$_settings(legendVisible) } {
1462	$itk_component(view) delete legend
1463	}
1464	DrawLegend
1465	}
1466	default {
1467	error "don't know how to fix $what"
1468	}
1469	}
1470	}
1471
1472
1473	#
1474	# RequestLegend --
1475	#
1476	# Request a new legend from the server. The size of the legend
1477	# is determined from the height of the canvas.
1478	#
1479	# This should be called when
1480	# 1. A new current colormap is set.
1481	# 2. Window is resized.
1482	# 3. The limits of the data have changed. (Just need a redraw).
1483	# 4. Number of glyph have changed. (Just need a redraw).
1484	# 5. Legend becomes visible (Just need a redraw).
1485	#
1486	itcl::body Rappture::VtkGlyphViewer::RequestLegend {} {
1487	set _legendPending 0
1488	if { ![info exists _fields($_curFldName)] } {
1489	return
1490	}
1491	set fname $_curFldName
1492	set font "Arial 8"
1493	set lineht [font metrics $font -linespace]
1494	set c $itk_component(view)
1495	set w 12
1496	set h [expr {$_height - 2 * ($lineht + 2)}]
1497	if { $h < 1} {
1498	return
1499	}
1500	if { [string match "component*" $fname] } {
1501	set title ""
1502	} else {
1503	if { [info exists _fields($fname)] } {
1504	foreach { title units } $_fields($fname) break
1505	if { $units != "" } {
1506	set title [format "%s (%s)" $title $units]
1507	}
1508	} else {
1509	set title $fname
1510	}
1511	}
1512	# If there's a title too, substract one more line
1513	if { $title != "" } {
1514	incr h -$lineht
1515	}
1516	# Set the legend on the first heightmap dataset.
1517	if { $_currentColormap != "" } {
1518	set cmap $_currentColormap
1519	SendCmdNoWait "legend $cmap $_colorMode $_curFldName {} $w $h 0"
1520	}
1521	}
1522
1523	# ----------------------------------------------------------------------
1524	# CONFIGURATION OPTION: -plotbackground
1525	# ----------------------------------------------------------------------
1526	itcl::configbody Rappture::VtkGlyphViewer::plotbackground {
1527	if { [isconnected] } {
1528	set rgb [Color2RGB $itk_option(-plotbackground)]
1529	SendCmd "screen bgcolor $rgb"
1530	}
1531	}
1532
1533	# ----------------------------------------------------------------------
1534	# CONFIGURATION OPTION: -plotforeground
1535	# ----------------------------------------------------------------------
1536	itcl::configbody Rappture::VtkGlyphViewer::plotforeground {
1537	if { [isconnected] } {
1538	set rgb [Color2RGB $itk_option(-plotforeground)]
1539	SendCmd "axis color all $rgb"
1540	SendCmd "outline color $rgb"
1541	#SendCmd "cutplane ccolor $rgb"
1542	}
1543	}
1544
1545	itcl::body Rappture::VtkGlyphViewer::limits { dataobj } {
1546	foreach { limits(xmin) limits(xmax) } [$dataobj limits x] break
1547	foreach { limits(ymin) limits(ymax) } [$dataobj limits y] break
1548	foreach { limits(zmin) limits(zmax) } [$dataobj limits z] break
1549	foreach { limits(vmin) limits(vmax) } [$dataobj limits v] break
1550	return [array get limits]
1551	}
1552
1553	itcl::body Rappture::VtkGlyphViewer::BuildGlyphTab {} {
1554
1555	set fg [option get $itk_component(hull) font Font]
1556	#set bfg [option get $itk_component(hull) boldFont Font]
1557
1558	set inner [$itk_component(main) insert end \
1559	-title "Glyph Settings" \
1560	-icon [Rappture::icon volume-on]]
1561	$inner configure -borderwidth 4
1562
1563	checkbutton $inner.glyphs \
1564	-text "Glyphs" \
1565	-variable [itcl::scope _settings(glyphVisible)] \
1566	-command [itcl::code $this AdjustSetting glyphVisible] \
1567	-font "Arial 9"
1568
1569	checkbutton $inner.wireframe \
1570	-text "Wireframe" \
1571	-variable [itcl::scope _settings(glyphWireframe)] \
1572	-command [itcl::code $this AdjustSetting glyphWireframe] \
1573	-font "Arial 9"
1574
1575	checkbutton $inner.lighting \
1576	-text "Enable Lighting" \
1577	-variable [itcl::scope _settings(glyphLighting)] \
1578	-command [itcl::code $this AdjustSetting glyphLighting] \
1579	-font "Arial 9"
1580
1581	checkbutton $inner.edges \
1582	-text "Edges" \
1583	-variable [itcl::scope _settings(glyphEdges)] \
1584	-command [itcl::code $this AdjustSetting glyphEdges] \
1585	-font "Arial 9"
1586
1587	checkbutton $inner.outline \
1588	-text "Outline" \
1589	-variable [itcl::scope _settings(glyphOutline)] \
1590	-command [itcl::code $this AdjustSetting glyphOutline] \
1591	-font "Arial 9"
1592
1593	checkbutton $inner.legend \
1594	-text "Legend" \
1595	-variable [itcl::scope _settings(legendVisible)] \
1596	-command [itcl::code $this AdjustSetting legendVisible] \
1597	-font "Arial 9"
1598
1599	label $inner.background_l -text "Background" -font "Arial 9"
1600	itk_component add background {
1601	Rappture::Combobox $inner.background -width 10 -editable no
1602	}
1603	$inner.background choices insert end \
1604	"black" "black" \
1605	"white" "white" \
1606	"grey" "grey"
1607
1608	$itk_component(background) value $_settings(background)
1609	bind $inner.background <<Value>> [itcl::code $this AdjustSetting background]
1610
1611	label $inner.opacity_l -text "Opacity" -font "Arial 9"
1612	::scale $inner.opacity -from 0 -to 100 -orient horizontal \
1613	-variable [itcl::scope _settings(glyphOpacity)] \
1614	-width 10 \
1615	-showvalue off \
1616	-command [itcl::code $this AdjustSetting glyphOpacity]
1617
1618	label $inner.scale_l -text "Scale" -font "Arial 9"
1619	::scale $inner.scale -from 1 -to 100 -orient horizontal \
1620	-variable [itcl::scope _settings(glyphs-scale)] \
1621	-width 10 \
1622	-showvalue off \
1623	-command [itcl::code $this AdjustSetting glyphs-scale]
1624
1625	itk_component add field_l {
1626	label $inner.field_l -text "Color By" -font "Arial 9"
1627	} {
1628	ignore -font
1629	}
1630	itk_component add field {
1631	Rappture::Combobox $inner.field -width 10 -editable no
1632	}
1633	bind $inner.field <<Value>> \
1634	[itcl::code $this AdjustSetting field]
1635
1636	label $inner.colormap_l -text "Colormap" -font "Arial 9"
1637	itk_component add colormap {
1638	Rappture::Combobox $inner.colormap -width 10 -editable no
1639	}
1640	$inner.colormap choices insert end \
1641	"BCGYR" "BCGYR" \
1642	"BGYOR" "BGYOR" \
1643	"blue" "blue" \
1644	"blue-to-brown" "blue-to-brown" \
1645	"blue-to-orange" "blue-to-orange" \
1646	"blue-to-grey" "blue-to-grey" \
1647	"green-to-magenta" "green-to-magenta" \
1648	"greyscale" "greyscale" \
1649	"nanohub" "nanohub" \
1650	"rainbow" "rainbow" \
1651	"spectral" "spectral" \
1652	"ROYGB" "ROYGB" \
1653	"RYGCB" "RYGCB" \
1654	"brown-to-blue" "brown-to-blue" \
1655	"grey-to-blue" "grey-to-blue" \
1656	"orange-to-blue" "orange-to-blue"
1657
1658	$itk_component(colormap) value "BCGYR"
1659	bind $inner.colormap <<Value>> \
1660	[itcl::code $this AdjustSetting colormap]
1661
1662	blt::table $inner \
1663	0,0 $inner.field_l -anchor w -pady 2 \
1664	0,1 $inner.field -anchor w -pady 2 -fill x \
1665	1,0 $inner.colormap_l -anchor w -pady 2 \
1666	1,1 $inner.colormap -anchor w -pady 2 -fill x \
1667	3,0 $inner.background_l -anchor w -pady 2 \
1668	3,1 $inner.background -anchor w -pady 2 -fill x \
1669	5,0 $inner.wireframe -anchor w -pady 2 -cspan 2 \
1670	6,0 $inner.lighting -anchor w -pady 2 -cspan 2 \
1671	7,0 $inner.edges -anchor w -pady 2 -cspan 2 \
1672	8,0 $inner.outline -anchor w -pady 2 -cspan 2 \
1673	9,0 $inner.legend -anchor w -pady 2 \
1674	10,0 $inner.opacity_l -anchor w -pady 2 \
1675	10,1 $inner.opacity -fill x -pady 2 -fill x \
1676
1677	blt::table configure $inner r* c* -resize none
1678	blt::table configure $inner r11 c1 -resize expand
1679	}
1680
1681	itcl::body Rappture::VtkGlyphViewer::BuildAxisTab {} {
1682
1683	set fg [option get $itk_component(hull) font Font]
1684	#set bfg [option get $itk_component(hull) boldFont Font]
1685
1686	set inner [$itk_component(main) insert end \
1687	-title "Axis Settings" \
1688	-icon [Rappture::icon axis2]]
1689	$inner configure -borderwidth 4
1690
1691	checkbutton $inner.visible \
1692	-text "Show Axes" \
1693	-variable [itcl::scope _settings(axesVisible)] \
1694	-command [itcl::code $this AdjustSetting axesVisible] \
1695	-font "Arial 9"
1696
1697	checkbutton $inner.labels \
1698	-text "Show Axis Labels" \
1699	-variable [itcl::scope _settings(axisLabelsVisible)] \
1700	-command [itcl::code $this AdjustSetting axisLabelsVisible] \
1701	-font "Arial 9"
1702
1703	checkbutton $inner.gridx \
1704	-text "Show X Grid" \
1705	-variable [itcl::scope _settings(axisXGrid)] \
1706	-command [itcl::code $this AdjustSetting axisXGrid] \
1707	-font "Arial 9"
1708	checkbutton $inner.gridy \
1709	-text "Show Y Grid" \
1710	-variable [itcl::scope _settings(axisYGrid)] \
1711	-command [itcl::code $this AdjustSetting axisYGrid] \
1712	-font "Arial 9"
1713	checkbutton $inner.gridz \
1714	-text "Show Z Grid" \
1715	-variable [itcl::scope _settings(axisZGrid)] \
1716	-command [itcl::code $this AdjustSetting axisZGrid] \
1717	-font "Arial 9"
1718
1719	label $inner.mode_l -text "Mode" -font "Arial 9"
1720
1721	itk_component add axisMode {
1722	Rappture::Combobox $inner.mode -width 10 -editable no
1723	}
1724	$inner.mode choices insert end \
1725	"static_triad" "static" \
1726	"closest_triad" "closest" \
1727	"furthest_triad" "furthest" \
1728	"outer_edges" "outer"
1729	$itk_component(axisMode) value "static"
1730	bind $inner.mode <<Value>> [itcl::code $this AdjustSetting axisMode]
1731
1732	blt::table $inner \
1733	0,0 $inner.visible -anchor w -cspan 2 \
1734	1,0 $inner.labels -anchor w -cspan 2 \
1735	2,0 $inner.gridx -anchor w -cspan 2 \
1736	3,0 $inner.gridy -anchor w -cspan 2 \
1737	4,0 $inner.gridz -anchor w -cspan 2 \
1738	5,0 $inner.mode_l -anchor w -cspan 2 -padx { 2 0 } \
1739	6,0 $inner.mode -fill x -cspan 2
1740
1741	blt::table configure $inner r* c* -resize none
1742	blt::table configure $inner r7 c1 -resize expand
1743	}
1744
1745
1746	itcl::body Rappture::VtkGlyphViewer::BuildCameraTab {} {
1747	set inner [$itk_component(main) insert end \
1748	-title "Camera Settings" \
1749	-icon [Rappture::icon camera]]
1750	$inner configure -borderwidth 4
1751
1752	label $inner.view_l -text "view" -font "Arial 9"
1753	set f [frame $inner.view]
1754	foreach side { front back left right top bottom } {
1755	button $f.$side -image [Rappture::icon view$side] \
1756	-command [itcl::code $this SetOrientation $side]
1757	Rappture::Tooltip::for $f.$side "Change the view to $side"
1758	pack $f.$side -side left
1759	}
1760
1761	blt::table $inner \
1762	0,0 $inner.view_l -anchor e -pady 2 \
1763	0,1 $inner.view -anchor w -pady 2
1764
1765	set labels { qx qy qz qw xpan ypan zoom }
1766	set row 1
1767	foreach tag $labels {
1768	label $inner.${tag}label -text $tag -font "Arial 9"
1769	entry $inner.${tag} -font "Arial 9" -bg white \
1770	-textvariable [itcl::scope _view($tag)]
1771	bind $inner.${tag} <KeyPress-Return> \
1772	[itcl::code $this camera set ${tag}]
1773	blt::table $inner \
1774	$row,0 $inner.${tag}label -anchor e -pady 2 \
1775	$row,1 $inner.${tag} -anchor w -pady 2
1776	blt::table configure $inner r$row -resize none
1777	incr row
1778	}
1779	checkbutton $inner.ortho \
1780	-text "Orthographic Projection" \
1781	-variable [itcl::scope _view(ortho)] \
1782	-command [itcl::code $this camera set ortho] \
1783	-font "Arial 9"
1784	blt::table $inner \
1785	$row,0 $inner.ortho -cspan 2 -anchor w -pady 2
1786	blt::table configure $inner r$row -resize none
1787	incr row
1788
1789	blt::table configure $inner c* r* -resize none
1790	blt::table configure $inner c2 -resize expand
1791	blt::table configure $inner r$row -resize expand
1792	}
1793
1794	itcl::body Rappture::VtkGlyphViewer::BuildCutplaneTab {} {
1795
1796	set fg [option get $itk_component(hull) font Font]
1797
1798	set inner [$itk_component(main) insert end \
1799	-title "Cutplane Settings" \
1800	-icon [Rappture::icon cutbutton]]
1801
1802	$inner configure -borderwidth 4
1803
1804	checkbutton $inner.visible \
1805	-text "Cutplanes" \
1806	-variable [itcl::scope _settings(cutplaneVisible)] \
1807	-command [itcl::code $this AdjustSetting cutplaneVisible] \
1808	-font "Arial 9"
1809
1810	checkbutton $inner.wireframe \
1811	-text "Wireframe" \
1812	-variable [itcl::scope _settings(cutplaneWireframe)] \
1813	-command [itcl::code $this AdjustSetting cutplaneWireframe] \
1814	-font "Arial 9"
1815
1816	checkbutton $inner.lighting \
1817	-text "Enable Lighting" \
1818	-variable [itcl::scope _settings(cutplaneLighting)] \
1819	-command [itcl::code $this AdjustSetting cutplaneLighting] \
1820	-font "Arial 9"
1821
1822	checkbutton $inner.edges \
1823	-text "Edges" \
1824	-variable [itcl::scope _settings(cutplaneEdges)] \
1825	-command [itcl::code $this AdjustSetting cutplaneEdges] \
1826	-font "Arial 9"
1827
1828	checkbutton $inner.preinterp \
1829	-text "Interpolate Scalars" \
1830	-variable [itcl::scope _settings(cutplanePreinterp)] \
1831	-command [itcl::code $this AdjustSetting cutplanePreinterp] \
1832	-font "Arial 9"
1833
1834	label $inner.opacity_l -text "Opacity" -font "Arial 9"
1835	::scale $inner.opacity -from 0 -to 100 -orient horizontal \
1836	-variable [itcl::scope _settings(cutplaneOpacity)] \
1837	-width 10 \
1838	-showvalue off \
1839	-command [itcl::code $this AdjustSetting cutplaneOpacity]
1840	$inner.opacity set $_settings(cutplaneOpacity)
1841
1842	# X-value slicer...
1843	itk_component add xbutton {
1844	Rappture::PushButton $inner.xbutton \
1845	-onimage [Rappture::icon x-cutplane-red] \
1846	-offimage [Rappture::icon x-cutplane-red] \
1847	-command [itcl::code $this AdjustSetting cutplaneXVisible] \
1848	-variable [itcl::scope _settings(cutplaneXVisible)] \
1849	}
1850	Rappture::Tooltip::for $itk_component(xbutton) \
1851	"Toggle the X-axis cutplane on/off"
1852	$itk_component(xbutton) select
1853	itk_component add xposition {
1854	::scale $inner.xval -from 100 -to 0 \
1855	-width 10 -orient vertical -showvalue yes \
1856	-borderwidth 1 -highlightthickness 0 \
1857	-command [itcl::code $this EventuallySetCutplane x] \
1858	-variable [itcl::scope _settings(cutplaneXPosition)] \
1859	-foreground red2 -font "Arial 9 bold"
1860	} {
1861	usual
1862	ignore -borderwidth -highlightthickness -foreground -font -background
1863	}
1864	# Set the default cutplane value before disabling the scale.
1865	$itk_component(xposition) set 50
1866	$itk_component(xposition) configure -state disabled
1867	Rappture::Tooltip::for $itk_component(xposition) \
1868	"@[itcl::code $this Slice tooltip x]"
1869
1870	# Y-value slicer...
1871	itk_component add ybutton {
1872	Rappture::PushButton $inner.ybutton \
1873	-onimage [Rappture::icon y-cutplane-green] \
1874	-offimage [Rappture::icon y-cutplane-green] \
1875	-command [itcl::code $this AdjustSetting cutplaneYVisible] \
1876	-variable [itcl::scope _settings(cutplaneYVisible)] \
1877	}
1878	Rappture::Tooltip::for $itk_component(ybutton) \
1879	"Toggle the Y-axis cutplane on/off"
1880	$itk_component(ybutton) select
1881
1882	itk_component add yposition {
1883	::scale $inner.yval -from 100 -to 0 \
1884	-width 10 -orient vertical -showvalue yes \
1885	-borderwidth 1 -highlightthickness 0 \
1886	-command [itcl::code $this EventuallySetCutplane y] \
1887	-variable [itcl::scope _settings(cutplaneYPosition)] \
1888	-foreground green3 -font "Arial 9 bold"
1889	} {
1890	usual
1891	ignore -borderwidth -highlightthickness -foreground -font
1892	}
1893	Rappture::Tooltip::for $itk_component(yposition) \
1894	"@[itcl::code $this Slice tooltip y]"
1895	# Set the default cutplane value before disabling the scale.
1896	$itk_component(yposition) set 50
1897	$itk_component(yposition) configure -state disabled
1898
1899	# Z-value slicer...
1900	itk_component add zbutton {
1901	Rappture::PushButton $inner.zbutton \
1902	-onimage [Rappture::icon z-cutplane-blue] \
1903	-offimage [Rappture::icon z-cutplane-blue] \
1904	-command [itcl::code $this AdjustSetting cutplaneZVisible] \
1905	-variable [itcl::scope _settings(cutplaneZVisible)] \
1906	} {
1907	usual
1908	ignore -foreground
1909	}
1910	Rappture::Tooltip::for $itk_component(zbutton) \
1911	"Toggle the Z-axis cutplane on/off"
1912	$itk_component(zbutton) select
1913
1914	itk_component add zposition {
1915	::scale $inner.zval -from 100 -to 0 \
1916	-width 10 -orient vertical -showvalue yes \
1917	-borderwidth 1 -highlightthickness 0 \
1918	-command [itcl::code $this EventuallySetCutplane z] \
1919	-variable [itcl::scope _settings(cutplaneZPosition)] \
1920	-foreground blue3 -font "Arial 9 bold"
1921	} {
1922	usual
1923	ignore -borderwidth -highlightthickness -foreground -font
1924	}
1925	$itk_component(zposition) set 50
1926	$itk_component(zposition) configure -state disabled
1927	Rappture::Tooltip::for $itk_component(zposition) \
1928	"@[itcl::code $this Slice tooltip z]"
1929
1930	blt::table $inner \
1931	0,0 $inner.visible -anchor w -pady 2 -cspan 3 \
1932	1,0 $inner.lighting -anchor w -pady 2 -cspan 3 \
1933	2,0 $inner.wireframe -anchor w -pady 2 -cspan 3 \
1934	3,0 $inner.edges -anchor w -pady 2 -cspan 3 \
1935	4,0 $inner.preinterp -anchor w -pady 2 -cspan 3 \
1936	5,0 $inner.opacity_l -anchor w -pady 2 -cspan 1 \
1937	5,1 $inner.opacity -fill x -pady 2 -cspan 3 \
1938	6,0 $inner.xbutton -anchor w -padx 2 -pady 2 \
1939	7,0 $inner.ybutton -anchor w -padx 2 -pady 2 \
1940	8,0 $inner.zbutton -anchor w -padx 2 -pady 2 \
1941	6,1 $inner.xval -fill y -rspan 4 \
1942	6,2 $inner.yval -fill y -rspan 4 \
1943	6,3 $inner.zval -fill y -rspan 4 \
1944
1945
1946	blt::table configure $inner r* c* -resize none
1947	blt::table configure $inner r9 c4 -resize expand
1948	}
1949
1950
1951
1952	#
1953	# camera --
1954	#
1955	itcl::body Rappture::VtkGlyphViewer::camera {option args} {
1956	switch -- $option {
1957	"show" {
1958	puts [array get _view]
1959	}
1960	"set" {
1961	set who [lindex $args 0]
1962	set x $_view($who)
1963	set code [catch { string is double $x } result]
1964	if { $code != 0 \|\| !$result } {
1965	return
1966	}
1967	switch -- $who {
1968	"ortho" {
1969	if {$_view(ortho)} {
1970	SendCmd "camera mode ortho"
1971	} else {
1972	SendCmd "camera mode persp"
1973	}
1974	}
1975	"xpan" - "ypan" {
1976	PanCamera
1977	}
1978	"qx" - "qy" - "qz" - "qw" {
1979	set q [list $_view(qw) $_view(qx) $_view(qy) $_view(qz)]
1980	$_arcball quaternion $q
1981	EventuallyRotate $q
1982	}
1983	"zoom" {
1984	SendCmd "camera zoom $_view(zoom)"
1985	}
1986	}
1987	}
1988	}
1989	}
1990
1991	itcl::body Rappture::VtkGlyphViewer::GetVtkData { args } {
1992	set bytes ""
1993	foreach dataobj [get] {
1994	foreach cname [$dataobj components] {
1995	set tag $dataobj-$cname
1996	set contents [$dataobj vtkdata $cname]
1997	append bytes "$contents\n"
1998	}
1999	}
2000	return [list .vtk $bytes]
2001	}
2002
2003	itcl::body Rappture::VtkGlyphViewer::GetImage { args } {
2004	if { [image width $_image(download)] > 0 &&
2005	[image height $_image(download)] > 0 } {
2006	set bytes [$_image(download) data -format "jpeg -quality 100"]
2007	set bytes [Rappture::encoding::decode -as b64 $bytes]
2008	return [list .jpg $bytes]
2009	}
2010	return ""
2011	}
2012
2013	itcl::body Rappture::VtkGlyphViewer::BuildDownloadPopup { popup command } {
2014	Rappture::Balloon $popup \
2015	-title "[Rappture::filexfer::label downloadWord] as..."
2016	set inner [$popup component inner]
2017	label $inner.summary -text "" -anchor w
2018	radiobutton $inner.vtk_button -text "VTK data file" \
2019	-variable [itcl::scope _downloadPopup(format)] \
2020	-font "Arial 9 " \
2021	-value vtk
2022	Rappture::Tooltip::for $inner.vtk_button "Save as VTK data file."
2023	radiobutton $inner.image_button -text "Image File" \
2024	-variable [itcl::scope _downloadPopup(format)] \
2025	-font "Arial 9 " \
2026	-value image
2027	Rappture::Tooltip::for $inner.image_button \
2028	"Save as digital image."
2029
2030	button $inner.ok -text "Save" \
2031	-highlightthickness 0 -pady 2 -padx 3 \
2032	-command $command \
2033	-compound left \
2034	-image [Rappture::icon download]
2035
2036	button $inner.cancel -text "Cancel" \
2037	-highlightthickness 0 -pady 2 -padx 3 \
2038	-command [list $popup deactivate] \
2039	-compound left \
2040	-image [Rappture::icon cancel]
2041
2042	blt::table $inner \
2043	0,0 $inner.summary -cspan 2 \
2044	1,0 $inner.vtk_button -anchor w -cspan 2 -padx { 4 0 } \
2045	2,0 $inner.image_button -anchor w -cspan 2 -padx { 4 0 } \
2046	4,1 $inner.cancel -width .9i -fill y \
2047	4,0 $inner.ok -padx 2 -width .9i -fill y
2048	blt::table configure $inner r3 -height 4
2049	blt::table configure $inner r4 -pady 4
2050	raise $inner.image_button
2051	$inner.vtk_button invoke
2052	return $inner
2053	}
2054
2055	itcl::body Rappture::VtkGlyphViewer::SetObjectStyle { dataobj comp } {
2056	# Parse style string.
2057	set tag $dataobj-$comp
2058	array set style {
2059	-color BCGYR
2060	-edges 0
2061	-edgecolor black
2062	-linewidth 1.0
2063	-opacity 1.0
2064	-wireframe 0
2065	-lighting 1
2066	-outline 0
2067	-levels 10
2068	}
2069	array set style [$dataobj style $comp]
2070	if { $dataobj != $_first } {
2071	set style(-opacity) 1
2072	}
2073	if { $_currentColormap == "" } {
2074	set stylelist [$dataobj style $comp]
2075	if { $stylelist != "" } {
2076	array set style $stylelist
2077	set stylelist [array get style]
2078	SetCurrentColormap $stylelist
2079	}
2080	$itk_component(colormap) value $style(-color)
2081	}
2082	if 0 {
2083	SendCmd "cutplane add $tag"
2084	SendCmd "cutplane edges 0 $tag"
2085	SendCmd "cutplane wireframe 0 $tag"
2086	SendCmd "cutplane lighting 1 $tag"
2087	SendCmd "cutplane linewidth 1 $tag"
2088
2089	foreach axis { x y z } {
2090	SendCmd "cutplane slice $axis 0.5 $tag"
2091	SendCmd "cutplane axis $axis 0 $tag"
2092	}
2093	}
2094	# This is too complicated. We want to set the colormap, number of
2095	# glyph and opacity for the dataset. They can be the default values,
2096	# the style hints loaded with the dataset, or set by user controls. As
2097	# datasets get loaded, they first use the defaults that are overidden
2098	# by the style hints. If the user changes the global controls, then that
2099	# overrides everything else. I don't know what it means when global
2100	# controls are specified as style hints by each dataset. It complicates
2101	# the code to handle aberrant cases.
2102
2103	if { $_changed(glyphOpacity) } {
2104	set style(-opacity) $_settings(glyphOpacity)
2105	}
2106	if { $_changed(colormap) } {
2107	set style(-color) $_settings(colormap)
2108	}
2109	if { $_currentColormap == "" } {
2110	$itk_component(colormap) value $style(-color)
2111	}
2112	set _currentOpacity $style(-opacity)
2113	SendCmd "glyphs add arrow $tag"
2114	SendCmd "glyphs edges $style(-edges) $tag"
2115	# normscale=1 and gscale=1 are defaults
2116	#SendCmd "glyphs normscale 1 $tag"
2117	#SendCmd "glyphs gscale 1 $tag"
2118	SendCmd "outline add $tag"
2119	SendCmd "outline color [Color2RGB $itk_option(-plotforeground)] $tag"
2120	SendCmd "outline visible $style(-outline) $tag"
2121	set _settings(glyphOutline) $style(-outline)
2122	set _settings(glyphEdges) $style(-edges)
2123	#SendCmd "glyphs color [Color2RGB $settings(-color)] $tag"
2124	SendCmd "glyphs lighting $style(-lighting) $tag"
2125	set _settings(glyphLighting) $style(-lighting)
2126	SendCmd "glyphs linecolor [Color2RGB $style(-edgecolor)] $tag"
2127	SendCmd "glyphs linewidth $style(-linewidth) $tag"
2128	SendCmd "glyphs opacity $_currentOpacity $tag"
2129	set _settings(glyphOpacity) $style(-opacity)
2130	SetCurrentColormap $style(-color)
2131	SendCmd "glyphs wireframe $style(-wireframe) $tag"
2132	set _settings(glyphWireframe) $style(-wireframe)
2133	set _settings(glyphOpacity) [expr $style(-opacity) * 100.0]
2134	}
2135
2136	itcl::body Rappture::VtkGlyphViewer::IsValidObject { dataobj } {
2137	if {[catch {$dataobj isa Rappture::Field} valid] != 0 \|\| !$valid} {
2138	return 0
2139	}
2140	return 1
2141	}
2142
2143	#
2144	# EnterLegend --
2145	#
2146	itcl::body Rappture::VtkGlyphViewer::EnterLegend { x y } {
2147	SetLegendTip $x $y
2148	}
2149
2150	#
2151	# MotionLegend --
2152	#
2153	itcl::body Rappture::VtkGlyphViewer::MotionLegend { x y } {
2154	Rappture::Tooltip::tooltip cancel
2155	set c $itk_component(view)
2156	set cw [winfo width $c]
2157	set ch [winfo height $c]
2158	if { $x >= 0 && $x < $cw && $y >= 0 && $y < $ch } {
2159	SetLegendTip $x $y
2160	}
2161	}
2162
2163	#
2164	# LeaveLegend --
2165	#
2166	itcl::body Rappture::VtkGlyphViewer::LeaveLegend { } {
2167	Rappture::Tooltip::tooltip cancel
2168	.rappturetooltip configure -icon ""
2169	}
2170
2171	#
2172	# SetLegendTip --
2173	#
2174	itcl::body Rappture::VtkGlyphViewer::SetLegendTip { x y } {
2175	set fname $_curFldName
2176	set c $itk_component(view)
2177	set w [winfo width $c]
2178	set h [winfo height $c]
2179
2180	set font "Arial 8"
2181	set lineht [font metrics $font -linespace]
2182
2183	set ih [image height $_image(legend)]
2184	set iy [expr $y - ($lineht + 2)]
2185
2186	if { [string match "component*" $fname] } {
2187	set title ""
2188	} else {
2189	if { [info exists _fields($fname)] } {
2190	foreach { title units } $_fields($fname) break
2191	if { $units != "" } {
2192	set title [format "%s (%s)" $title $units]
2193	}
2194	} else {
2195	set title $fname
2196	}
2197	}
2198	# If there's a legend title, increase the offset by the line height.
2199	if { $title != "" } {
2200	incr iy -$lineht
2201	}
2202	# Make a swatch of the selected color
2203	if { [catch { $_image(legend) get 10 $iy } pixel] != 0 } {
2204	return
2205	}
2206	if { ![info exists _image(swatch)] } {
2207	set _image(swatch) [image create photo -width 24 -height 24]
2208	}
2209	set color [eval format "\#%02x%02x%02x" $pixel]
2210	$_image(swatch) put black -to 0 0 23 23
2211	$_image(swatch) put $color -to 1 1 22 22
2212	.rappturetooltip configure -icon $_image(swatch)
2213
2214	# Compute the value of the point
2215	if { [info exists _limits($_curFldName)] } {
2216	foreach { vmin vmax } $_limits($_curFldName) break
2217	set t [expr 1.0 - (double($iy) / double($ih-1))]
2218	set value [expr $t * ($vmax - $vmin) + $vmin]
2219	} else {
2220	set value 0.0
2221	}
2222	set tx [expr $x + 15]
2223	set ty [expr $y - 5]
2224	Rappture::Tooltip::text $c [format "$title %g" $value]
2225	Rappture::Tooltip::tooltip show $c +$tx,+$ty
2226	}
2227
2228
2229	# ----------------------------------------------------------------------
2230	# USAGE: Slice move x\|y\|z <newval>
2231	#
2232	# Called automatically when the user drags the slider to move the
2233	# cut plane that slices 3D data. Gets the current value from the
2234	# slider and moves the cut plane to the appropriate point in the
2235	# data set.
2236	# ----------------------------------------------------------------------
2237	itcl::body Rappture::VtkGlyphViewer::Slice {option args} {
2238	switch -- $option {
2239	"move" {
2240	set axis [lindex $args 0]
2241	set a [string toupper $axis]
2242	set oldval $_settings(cutplane${a}Position)
2243	set newval [lindex $args 1]
2244	if {[llength $args] != 2} {
2245	error "wrong # args: should be \"Slice move x\|y\|z newval\""
2246	}
2247	set newpos [expr {0.01*$newval}]
2248	SendCmd "cutplane slice $axis $newpos"
2249	}
2250	"tooltip" {
2251	set axis [lindex $args 0]
2252	set val [$itk_component(${axis}position) get]
2253	return "Move the [string toupper $axis] cut plane.\nCurrently: $axis = $val%"
2254	}
2255	default {
2256	error "bad option \"$option\": should be axis, move, or tooltip"
2257	}
2258	}
2259	}
2260
2261	#
2262	# ReceiveLegend --
2263	#
2264	# Invoked automatically whenever the "legend" command comes in from
2265	# the rendering server. Indicates that binary image data with the
2266	# specified <size> will follow.
2267	#
2268	itcl::body Rappture::VtkGlyphViewer::ReceiveLegend { colormap title min max size } {
2269	#puts stderr "ReceiveLegend colormap=$colormap title=$title range=$min,$max size=$size"
2270	set _title $title
2271	regsub {\(mag\)} $title "" _title
2272	if { [IsConnected] } {
2273	set bytes [ReceiveBytes $size]
2274	if { ![info exists _image(legend)] } {
2275	set _image(legend) [image create photo]
2276	}
2277	$_image(legend) configure -data $bytes
2278	#puts stderr "read $size bytes for [image width $_image(legend)]x[image height $_image(legend)] legend>"
2279	if { [catch {DrawLegend} errs] != 0 } {
2280	global errorInfo
2281	puts stderr "errs=$errs errorInfo=$errorInfo"
2282	}
2283	}
2284	}
2285
2286	#
2287	# DrawLegend --
2288	#
2289	# Draws the legend in the own canvas on the right side of the plot area.
2290	#
2291	itcl::body Rappture::VtkGlyphViewer::DrawLegend {} {
2292	set fname $_curFldName
2293	set c $itk_component(view)
2294	set w [winfo width $c]
2295	set h [winfo height $c]
2296	set font "Arial 8"
2297	set lineht [font metrics $font -linespace]
2298
2299	if { [string match "component*" $fname] } {
2300	set title ""
2301	} else {
2302	if { [info exists _fields($fname)] } {
2303	foreach { title units } $_fields($fname) break
2304	if { $units != "" } {
2305	set title [format "%s (%s)" $title $units]
2306	}
2307	} else {
2308	set title $fname
2309	}
2310	}
2311	set x [expr $w - 2]
2312	if { !$_settings(legendVisible) } {
2313	$c delete legend
2314	return
2315	}
2316	if { [$c find withtag "legend"] == "" } {
2317	set y 2
2318	# If there's a legend title, create a text item for the title.
2319	$c create text $x $y \
2320	-anchor ne \
2321	-fill $itk_option(-plotforeground) -tags "title legend" \
2322	-font $font
2323	incr y $lineht
2324	$c create text $x $y \
2325	-anchor ne \
2326	-fill $itk_option(-plotforeground) -tags "vmax legend" \
2327	-font $font
2328	incr y $lineht
2329	$c create image $x $y \
2330	-anchor ne \
2331	-image $_image(legend) -tags "colormap legend"
2332	$c create rectangle $x $y 1 1 \
2333	-fill "" -outline "" -tags "sensor legend"
2334	$c create text $x [expr {$h-2}] \
2335	-anchor se \
2336	-fill $itk_option(-plotforeground) -tags "vmin legend" \
2337	-font $font
2338	$c bind sensor <Enter> [itcl::code $this EnterLegend %x %y]
2339	$c bind sensor <Leave> [itcl::code $this LeaveLegend]
2340	$c bind sensor <Motion> [itcl::code $this MotionLegend %x %y]
2341	}
2342	set x2 $x
2343	set iw [image width $_image(legend)]
2344	set ih [image height $_image(legend)]
2345	set x1 [expr $x2 - ($iw*12)/10]
2346
2347	$c bind title <ButtonPress> [itcl::code $this Combo post]
2348	$c bind title <Enter> [itcl::code $this Combo activate]
2349	$c bind title <Leave> [itcl::code $this Combo deactivate]
2350	# Reset the item coordinates according the current size of the plot.
2351	$c itemconfigure title -text $title
2352	if { [info exists _limits($_curFldName)] } {
2353	foreach { vmin vmax } $_limits($_curFldName) break
2354	$c itemconfigure vmin -text [format %g $vmin]
2355	$c itemconfigure vmax -text [format %g $vmax]
2356	}
2357	set y 2
2358	# If there's a legend title, move the title to the correct position
2359	if { $title != "" } {
2360	$c itemconfigure title -text $title
2361	$c coords title $x $y
2362	incr y $lineht
2363	$c raise title
2364	}
2365	$c coords vmax $x $y
2366	incr y $lineht
2367	$c coords colormap $x $y
2368	$c coords sensor [expr $x - $iw] $y $x [expr $y + $ih]
2369	$c raise sensor
2370	$c coords vmin $x [expr {$h - 2}]
2371	}
2372
2373	# ----------------------------------------------------------------------
2374	# USAGE: _dropdown post
2375	# USAGE: _dropdown unpost
2376	# USAGE: _dropdown select
2377	#
2378	# Used internally to handle the dropdown list for this combobox. The
2379	# post/unpost options are invoked when the list is posted or unposted
2380	# to manage the relief of the controlling button. The select option
2381	# is invoked whenever there is a selection from the list, to assign
2382	# the value back to the gauge.
2383	# ----------------------------------------------------------------------
2384	itcl::body Rappture::VtkGlyphViewer::Combo {option} {
2385	set c $itk_component(view)
2386	switch -- $option {
2387	post {
2388	foreach { x1 y1 x2 y2 } [$c bbox title] break
2389	set cw [winfo width $itk_component(view)]
2390	set mw [winfo reqwidth $itk_component(fieldmenu)]
2391	set x1 [expr $cw - $mw]
2392	set x [expr $x1 + [winfo rootx $itk_component(view)]]
2393	set y [expr $y2 + [winfo rooty $itk_component(view)]]
2394	tk_popup $itk_component(fieldmenu) $x $y
2395	}
2396	activate {
2397	$c itemconfigure title -fill red
2398	}
2399	deactivate {
2400	$c itemconfigure title -fill $itk_option(-plotforeground)
2401	}
2402	invoke {
2403	$itk_component(field) value $_curFldLabel
2404	AdjustSetting field
2405	}
2406	default {
2407	error "bad option \"$option\": should be post, unpost, select"
2408	}
2409	}
2410	}
2411
2412	#
2413	# SetCurrentColormap --
2414	#
2415	itcl::body Rappture::VtkGlyphViewer::SetCurrentColormap { name } {
2416	# Keep track of the colormaps that we build.
2417	if { ![info exists _colormaps($name)] } {
2418	BuildColormap $name
2419	set _colormaps($name) 1
2420	}
2421	set _currentColormap $name
2422	SendCmd "glyphs colormap $_currentColormap"
2423	}
2424
2425	#
2426	# BuildColormap --
2427	#
2428	# Build the designated colormap on the server.
2429	#
2430	itcl::body Rappture::VtkGlyphViewer::BuildColormap { name } {
2431	set cmap [ColorsToColormap $name]
2432	if { [llength $cmap] == 0 } {
2433	set cmap "0.0 0.0 0.0 0.0 1.0 1.0 1.0 1.0"
2434	}
2435	set wmap "0.0 1.0 1.0 1.0"
2436	SendCmd "colormap add $name { $cmap } { $wmap }"
2437	}
2438
2439	itcl::body Rappture::VtkGlyphViewer::SetOrientation { side } {
2440	array set positions {
2441	front "1 0 0 0"
2442	back "0 0 1 0"
2443	left "0.707107 0 -0.707107 0"
2444	right "0.707107 0 0.707107 0"
2445	top "0.707107 -0.707107 0 0"
2446	bottom "0.707107 0.707107 0 0"
2447	}
2448	foreach name { qw qx qy qz } value $positions($side) {
2449	set _view($name) $value
2450	}
2451	set q [list $_view(qw) $_view(qx) $_view(qy) $_view(qz)]
2452	$_arcball quaternion $q
2453	SendCmd "camera orient $q"
2454	SendCmd "camera reset"
2455	set _view(xpan) 0
2456	set _view(ypan) 0
2457	set _view(zoom) 1.0
2458	}
2459

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