Context Navigation

source: branches/1.3/gui/scripts/vtkglyphviewer.tcl @ 4406

Last change on this file since 4406 was 4340, checked in by ldelgass, 10 years ago
Fix: glyph viewer shouldn't have cutplane button (not isosurface viewer)
File size: 82.3 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 1
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	if {0} {
342	itk_component add cutplane {
343	Rappture::PushButton $f.cutplane \
344	-onimage [Rappture::icon cutbutton] \
345	-offimage [Rappture::icon cutbutton] \
346	-variable [itcl::scope _settings(cutplaneVisible)] \
347	-command [itcl::code $this AdjustSetting cutplaneVisible]
348	}
349	Rappture::Tooltip::for $itk_component(cutplane) \
350	"Show/Hide cutplanes"
351	pack $itk_component(cutplane) -padx 2 -pady 2
352	}
353
354	if { [catch {
355	BuildGlyphTab
356	#BuildCutplaneTab
357	BuildAxisTab
358	BuildCameraTab
359	} errs] != 0 } {
360	puts stderr errs=$errs
361	}
362	# Legend
363
364	set _image(legend) [image create photo]
365	itk_component add legend {
366	canvas $itk_component(plotarea).legend -width 50 -highlightthickness 0
367	} {
368	usual
369	ignore -highlightthickness
370	rename -background -plotbackground plotBackground Background
371	}
372
373	# Hack around the Tk panewindow. The problem is that the requested
374	# size of the 3d view isn't set until an image is retrieved from
375	# the server. So the panewindow uses the tiny size.
376	set w 10000
377	pack forget $itk_component(view)
378	blt::table $itk_component(plotarea) \
379	0,0 $itk_component(view) -fill both -reqwidth $w
380	blt::table configure $itk_component(plotarea) c1 -resize none
381
382	# Bindings for rotation via mouse
383	bind $itk_component(view) <ButtonPress-1> \
384	[itcl::code $this Rotate click %x %y]
385	bind $itk_component(view) <B1-Motion> \
386	[itcl::code $this Rotate drag %x %y]
387	bind $itk_component(view) <ButtonRelease-1> \
388	[itcl::code $this Rotate release %x %y]
389
390	# Bindings for panning via mouse
391	bind $itk_component(view) <ButtonPress-2> \
392	[itcl::code $this Pan click %x %y]
393	bind $itk_component(view) <B2-Motion> \
394	[itcl::code $this Pan drag %x %y]
395	bind $itk_component(view) <ButtonRelease-2> \
396	[itcl::code $this Pan release %x %y]
397
398	#bind $itk_component(view) <ButtonRelease-3> \
399	# [itcl::code $this Pick %x %y]
400
401	# Bindings for panning via keyboard
402	bind $itk_component(view) <KeyPress-Left> \
403	[itcl::code $this Pan set -10 0]
404	bind $itk_component(view) <KeyPress-Right> \
405	[itcl::code $this Pan set 10 0]
406	bind $itk_component(view) <KeyPress-Up> \
407	[itcl::code $this Pan set 0 -10]
408	bind $itk_component(view) <KeyPress-Down> \
409	[itcl::code $this Pan set 0 10]
410	bind $itk_component(view) <Shift-KeyPress-Left> \
411	[itcl::code $this Pan set -2 0]
412	bind $itk_component(view) <Shift-KeyPress-Right> \
413	[itcl::code $this Pan set 2 0]
414	bind $itk_component(view) <Shift-KeyPress-Up> \
415	[itcl::code $this Pan set 0 -2]
416	bind $itk_component(view) <Shift-KeyPress-Down> \
417	[itcl::code $this Pan set 0 2]
418
419	# Bindings for zoom via keyboard
420	bind $itk_component(view) <KeyPress-Prior> \
421	[itcl::code $this Zoom out]
422	bind $itk_component(view) <KeyPress-Next> \
423	[itcl::code $this Zoom in]
424
425	bind $itk_component(view) <Enter> "focus $itk_component(view)"
426
427	if {[string equal "x11" [tk windowingsystem]]} {
428	# Bindings for zoom via mouse
429	bind $itk_component(view) <4> [itcl::code $this Zoom out]
430	bind $itk_component(view) <5> [itcl::code $this Zoom in]
431	}
432
433	set _image(download) [image create photo]
434
435	eval itk_initialize $args
436	Connect
437	update
438	}
439
440	# ----------------------------------------------------------------------
441	# DESTRUCTOR
442	# ----------------------------------------------------------------------
443	itcl::body Rappture::VtkGlyphViewer::destructor {} {
444	Disconnect
445	image delete $_image(plot)
446	image delete $_image(download)
447	catch { blt::arcball destroy $_arcball }
448	}
449
450	itcl::body Rappture::VtkGlyphViewer::DoResize {} {
451	if { $_width < 2 } {
452	set _width 500
453	}
454	if { $_height < 2 } {
455	set _height 500
456	}
457	set _start [clock clicks -milliseconds]
458	SendCmd "screen size $_width $_height"
459
460	EventuallyRequestLegend
461	set _resizePending 0
462	}
463
464	itcl::body Rappture::VtkGlyphViewer::DoRotate {} {
465	set q [list $_view(qw) $_view(qx) $_view(qy) $_view(qz)]
466	SendCmd "camera orient $q"
467	set _rotatePending 0
468	}
469
470	itcl::body Rappture::VtkGlyphViewer::EventuallyRequestLegend {} {
471	if { !$_legendPending } {
472	set _legendPending 1
473	$_dispatcher event -idle !legend
474	}
475	}
476
477	itcl::body Rappture::VtkGlyphViewer::EventuallyResize { w h } {
478	set _width $w
479	set _height $h
480	$_arcball resize $w $h
481	if { !$_resizePending } {
482	set _resizePending 1
483	$_dispatcher event -after 400 !resize
484	}
485	}
486
487	set rotate_delay 100
488
489	itcl::body Rappture::VtkGlyphViewer::EventuallyRotate { q } {
490	foreach { _view(qw) _view(qx) _view(qy) _view(qz) } $q break
491	if { !$_rotatePending } {
492	set _rotatePending 1
493	global rotate_delay
494	$_dispatcher event -after $rotate_delay !rotate
495	}
496	}
497
498	itcl::body Rappture::VtkGlyphViewer::EventuallySetCutplane { axis args } {
499	if { !$_cutplanePending } {
500	set _cutplanePending 1
501	$_dispatcher event -after 100 !${axis}cutplane
502	}
503	}
504
505	# ----------------------------------------------------------------------
506	# USAGE: add <dataobj> ?<settings>?
507	#
508	# Clients use this to add a data object to the plot. The optional
509	# <settings> are used to configure the plot. Allowed settings are
510	# -color, -brightness, -width, -linestyle, and -raise.
511	# ----------------------------------------------------------------------
512	itcl::body Rappture::VtkGlyphViewer::add {dataobj {settings ""}} {
513	if { ![$dataobj isvalid] } {
514	return; # Object doesn't contain valid data.
515	}
516	array set params {
517	-color auto
518	-width 1
519	-linestyle solid
520	-brightness 0
521	-raise 0
522	-description ""
523	-param ""
524	-type ""
525	}
526	array set params $settings
527	set params(-description) ""
528	set params(-param) ""
529	array set params $settings
530
531	if {$params(-color) == "auto" \|\| $params(-color) == "autoreset"} {
532	# can't handle -autocolors yet
533	set params(-color) black
534	}
535	set pos [lsearch -exact $_dlist $dataobj]
536	if {$pos < 0} {
537	lappend _dlist $dataobj
538	}
539	set _obj2ovride($dataobj-color) $params(-color)
540	set _obj2ovride($dataobj-width) $params(-width)
541	set _obj2ovride($dataobj-raise) $params(-raise)
542	$_dispatcher event -idle !rebuild
543	}
544
545
546	# ----------------------------------------------------------------------
547	# USAGE: delete ?<dataobj1> <dataobj2> ...?
548	#
549	# Clients use this to delete a dataobj from the plot. If no dataobjs
550	# are specified, then all dataobjs are deleted. No data objects are
551	# deleted. They are only removed from the display list.
552	#
553	# ----------------------------------------------------------------------
554	itcl::body Rappture::VtkGlyphViewer::delete {args} {
555	if { [llength $args] == 0} {
556	set args $_dlist
557	}
558	# Delete all specified dataobjs
559	set changed 0
560	foreach dataobj $args {
561	set pos [lsearch -exact $_dlist $dataobj]
562	if { $pos < 0 } {
563	continue; # Don't know anything about it.
564	}
565	# Remove it from the dataobj list.
566	set _dlist [lreplace $_dlist $pos $pos]
567	array unset _obj2ovride $dataobj-*
568	array unset _settings $dataobj-*
569	set changed 1
570	}
571	# If anything changed, then rebuild the plot
572	if { $changed } {
573	$_dispatcher event -idle !rebuild
574	}
575	}
576
577	# ----------------------------------------------------------------------
578	# USAGE: get ?-objects?
579	# USAGE: get ?-visible?
580	# USAGE: get ?-image view?
581	#
582	# Clients use this to query the list of objects being plotted, in
583	# order from bottom to top of this result. The optional "-image"
584	# flag can also request the internal images being shown.
585	# ----------------------------------------------------------------------
586	itcl::body Rappture::VtkGlyphViewer::get {args} {
587	if {[llength $args] == 0} {
588	set args "-objects"
589	}
590
591	set op [lindex $args 0]
592	switch -- $op {
593	"-objects" {
594	# put the dataobj list in order according to -raise options
595	set dlist {}
596	foreach dataobj $_dlist {
597	if { ![IsValidObject $dataobj] } {
598	continue
599	}
600	if {[info exists _obj2ovride($dataobj-raise)] &&
601	$_obj2ovride($dataobj-raise)} {
602	set dlist [linsert $dlist 0 $dataobj]
603	} else {
604	lappend dlist $dataobj
605	}
606	}
607	return $dlist
608	}
609	"-visible" {
610	set dlist {}
611	foreach dataobj $_dlist {
612	if { ![IsValidObject $dataobj] } {
613	continue
614	}
615	if { ![info exists _obj2ovride($dataobj-raise)] } {
616	# No setting indicates that the object isn't visible.
617	continue
618	}
619	# Otherwise use the -raise parameter to put the object to
620	# the front of the list.
621	if { $_obj2ovride($dataobj-raise) } {
622	set dlist [linsert $dlist 0 $dataobj]
623	} else {
624	lappend dlist $dataobj
625	}
626	}
627	return $dlist
628	}
629	-image {
630	if {[llength $args] != 2} {
631	error "wrong # args: should be \"get -image view\""
632	}
633	switch -- [lindex $args end] {
634	view {
635	return $_image(plot)
636	}
637	default {
638	error "bad image name \"[lindex $args end]\": should be view"
639	}
640	}
641	}
642	default {
643	error "bad option \"$op\": should be -objects or -image"
644	}
645	}
646	}
647
648	# ----------------------------------------------------------------------
649	# USAGE: scale ?<data1> <data2> ...?
650	#
651	# Sets the default limits for the overall plot according to the
652	# limits of the data for all of the given <data> objects. This
653	# accounts for all objects--even those not showing on the screen.
654	# Because of this, the limits are appropriate for all objects as
655	# the user scans through data in the ResultSet viewer.
656	# ----------------------------------------------------------------------
657	itcl::body Rappture::VtkGlyphViewer::scale { args } {
658	foreach dataobj $args {
659	if { ![$dataobj isvalid] } {
660	continue; # Object doesn't contain valid data.
661	}
662	foreach axis { x y z } {
663	set lim [$dataobj limits $axis]
664	if { ![info exists _limits($axis)] } {
665	set _limits($axis) $lim
666	continue
667	}
668	foreach {min max} $lim break
669	foreach {amin amax} $_limits($axis) break
670	if { $amin > $min } {
671	set amin $min
672	}
673	if { $amax < $max } {
674	set amax $max
675	}
676	set _limits($axis) [list $amin $amax]
677	}
678	foreach { fname lim } [$dataobj fieldlimits] {
679	if { ![info exists _limits($fname)] } {
680	set _limits($fname) $lim
681	continue
682	}
683	foreach {min max} $lim break
684	foreach {fmin fmax} $_limits($fname) break
685	if { $fmin > $min } {
686	set fmin $min
687	}
688	if { $fmax < $max } {
689	set fmax $max
690	}
691	set _limits($fname) [list $fmin $fmax]
692	}
693	}
694	}
695
696	# ----------------------------------------------------------------------
697	# USAGE: download coming
698	# USAGE: download controls <downloadCommand>
699	# USAGE: download now
700	#
701	# Clients use this method to create a downloadable representation
702	# of the plot. Returns a list of the form {ext string}, where
703	# "ext" is the file extension (indicating the type of data) and
704	# "string" is the data itself.
705	# ----------------------------------------------------------------------
706	itcl::body Rappture::VtkGlyphViewer::download {option args} {
707	switch $option {
708	coming {
709	if {[catch {
710	blt::winop snap $itk_component(plotarea) $_image(download)
711	}]} {
712	$_image(download) configure -width 1 -height 1
713	$_image(download) put #000000
714	}
715	}
716	controls {
717	set popup .vtkviewerdownload
718	if { ![winfo exists .vtkviewerdownload] } {
719	set inner [BuildDownloadPopup $popup [lindex $args 0]]
720	} else {
721	set inner [$popup component inner]
722	}
723	set _downloadPopup(image_controls) $inner.image_frame
724	set num [llength [get]]
725	set num [expr {($num == 1) ? "1 result" : "$num results"}]
726	set word [Rappture::filexfer::label downloadWord]
727	$inner.summary configure -text "$word $num in the following format:"
728	update idletasks ;# Fix initial sizes
729	return $popup
730	}
731	now {
732	set popup .vtkviewerdownload
733	if {[winfo exists .vtkviewerdownload]} {
734	$popup deactivate
735	}
736	switch -- $_downloadPopup(format) {
737	"image" {
738	return [$this GetImage [lindex $args 0]]
739	}
740	"vtk" {
741	return [$this GetVtkData [lindex $args 0]]
742	}
743	}
744	return ""
745	}
746	default {
747	error "bad option \"$option\": should be coming, controls, now"
748	}
749	}
750	}
751
752	# ----------------------------------------------------------------------
753	# USAGE: Connect ?<host:port>,<host:port>...?
754	#
755	# Clients use this method to establish a connection to a new
756	# server, or to reestablish a connection to the previous server.
757	# Any existing connection is automatically closed.
758	# ----------------------------------------------------------------------
759	itcl::body Rappture::VtkGlyphViewer::Connect {} {
760	set _hosts [GetServerList "vtkvis"]
761	if { "" == $_hosts } {
762	return 0
763	}
764	set result [VisViewer::Connect $_hosts]
765	if { $result } {
766	if { $_reportClientInfo } {
767	# Tell the server the viewer, hub, user and session.
768	# Do this immediately on connect before buffering any commands
769	global env
770
771	set info {}
772	set user "???"
773	if { [info exists env(USER)] } {
774	set user $env(USER)
775	}
776	set session "???"
777	if { [info exists env(SESSION)] } {
778	set session $env(SESSION)
779	}
780	lappend info "hub" [exec hostname]
781	lappend info "client" "vtkglyphviewer"
782	lappend info "user" $user
783	lappend info "session" $session
784	SendCmd "clientinfo [list $info]"
785	}
786
787	set w [winfo width $itk_component(view)]
788	set h [winfo height $itk_component(view)]
789	EventuallyResize $w $h
790	}
791	return $result
792	}
793
794	#
795	# isconnected --
796	#
797	# Indicates if we are currently connected to the visualization server.
798	#
799	itcl::body Rappture::VtkGlyphViewer::isconnected {} {
800	return [VisViewer::IsConnected]
801	}
802
803	#
804	# disconnect --
805	#
806	itcl::body Rappture::VtkGlyphViewer::disconnect {} {
807	Disconnect
808	set _reset 1
809	}
810
811	#
812	# Disconnect --
813	#
814	# Clients use this method to disconnect from the current rendering
815	# server.
816	#
817	itcl::body Rappture::VtkGlyphViewer::Disconnect {} {
818	VisViewer::Disconnect
819
820	$_dispatcher cancel !rebuild
821	$_dispatcher cancel !resize
822	$_dispatcher cancel !rotate
823	$_dispatcher cancel !xcutplane
824	$_dispatcher cancel !ycutplane
825	$_dispatcher cancel !zcutplane
826	$_dispatcher cancel !legend
827	# disconnected -- no more data sitting on server
828	set _outbuf ""
829	array unset _datasets
830	array unset _data
831	array unset _colormaps
832	array unset _seeds
833	array unset _dataset2style
834	array unset _obj2datasets
835	}
836
837	# ----------------------------------------------------------------------
838	# USAGE: ReceiveImage -bytes <size> -type <type> -token <token>
839	#
840	# Invoked automatically whenever the "image" command comes in from
841	# the rendering server. Indicates that binary image data with the
842	# specified <size> will follow.
843	# ----------------------------------------------------------------------
844	itcl::body Rappture::VtkGlyphViewer::ReceiveImage { args } {
845	array set info {
846	-token "???"
847	-bytes 0
848	-type image
849	}
850	array set info $args
851	set bytes [ReceiveBytes $info(-bytes)]
852	if { $info(-type) == "image" } {
853	if 0 {
854	set f [open "last.ppm" "w"]
855	puts $f $bytes
856	close $f
857	}
858	$_image(plot) configure -data $bytes
859	set time [clock seconds]
860	set date [clock format $time]
861	#puts stderr "$date: received image [image width $_image(plot)]x[image height $_image(plot)] image>"
862	if { $_start > 0 } {
863	set finish [clock clicks -milliseconds]
864	#puts stderr "round trip time [expr $finish -$_start] milliseconds"
865	set _start 0
866	}
867	} elseif { $info(type) == "print" } {
868	set tag $this-print-$info(-token)
869	set _hardcopy($tag) $bytes
870	}
871	}
872
873	#
874	# ReceiveDataset --
875	#
876	itcl::body Rappture::VtkGlyphViewer::ReceiveDataset { args } {
877	if { ![isconnected] } {
878	return
879	}
880	set option [lindex $args 0]
881	switch -- $option {
882	"scalar" {
883	set option [lindex $args 1]
884	switch -- $option {
885	"world" {
886	foreach { x y z value tag } [lrange $args 2 end] break
887	}
888	"pixel" {
889	foreach { x y value tag } [lrange $args 2 end] break
890	}
891	}
892	}
893	"vector" {
894	set option [lindex $args 1]
895	switch -- $option {
896	"world" {
897	foreach { x y z vx vy vz tag } [lrange $args 2 end] break
898	}
899	"pixel" {
900	foreach { x y vx vy vz tag } [lrange $args 2 end] break
901	}
902	}
903	}
904	"names" {
905	foreach { name } [lindex $args 1] {
906	#puts stderr "Dataset: $name"
907	}
908	}
909	default {
910	error "unknown dataset option \"$option\" from server"
911	}
912	}
913	}
914
915	# ----------------------------------------------------------------------
916	# USAGE: Rebuild
917	#
918	# Called automatically whenever something changes that affects the
919	# data in the widget. Clears any existing data and rebuilds the
920	# widget to display new data.
921	# ----------------------------------------------------------------------
922	itcl::body Rappture::VtkGlyphViewer::Rebuild {} {
923	set w [winfo width $itk_component(view)]
924	set h [winfo height $itk_component(view)]
925	if { $w < 2 \|\| $h < 2 } {
926	$_dispatcher event -idle !rebuild
927	return
928	}
929
930	# Turn on buffering of commands to the server. We don't want to
931	# be preempted by a server disconnect/reconnect (which automatically
932	# generates a new call to Rebuild).
933	StartBufferingCommands
934
935	if { $_reset } {
936	set _width $w
937	set _height $h
938	$_arcball resize $w $h
939	DoResize
940	#
941	# Reset the camera and other view parameters
942	#
943	set q [list $_view(qw) $_view(qx) $_view(qy) $_view(qz)]
944	$_arcball quaternion $q
945	if {$_view(ortho)} {
946	SendCmd "camera mode ortho"
947	} else {
948	SendCmd "camera mode persp"
949	}
950	DoRotate
951	PanCamera
952	set _first ""
953	InitSettings axisXGrid axisYGrid axisZGrid axisMode \
954	axesVisible axisLabelsVisible
955	foreach axis { x y z } {
956	SendCmd "axis lformat $axis %g"
957	}
958	StopBufferingCommands
959	SendCmd "imgflush"
960	StartBufferingCommands
961	}
962	set _first ""
963	SendCmd "dataset visible 0"
964	foreach dataobj [get -objects] {
965	if { [info exists _obj2ovride($dataobj-raise)] && $_first == "" } {
966	set _first $dataobj
967	}
968	set _obj2datasets($dataobj) ""
969	foreach comp [$dataobj components] {
970	set tag $dataobj-$comp
971	if { ![info exists _datasets($tag)] } {
972	set bytes [$dataobj vtkdata $comp]
973	if 0 {
974	set f [open "/tmp/glyph.vtk" "w"]
975	puts $f $bytes
976	close $f
977	}
978	set length [string length $bytes]
979	if { $_reportClientInfo } {
980	set info {}
981	lappend info "tool_id" [$dataobj hints toolId]
982	lappend info "tool_name" [$dataobj hints toolName]
983	lappend info "tool_version" [$dataobj hints toolRevision]
984	lappend info "tool_title" [$dataobj hints toolTitle]
985	lappend info "dataset_label" [$dataobj hints label]
986	lappend info "dataset_size" $length
987	lappend info "dataset_tag" $tag
988	SendCmd "clientinfo [list $info]"
989	}
990	append _outbuf "dataset add $tag data follows $length\n"
991	append _outbuf $bytes
992	set _datasets($tag) 1
993	SetObjectStyle $dataobj $comp
994	}
995	lappend _obj2datasets($dataobj) $tag
996	if { [info exists _obj2ovride($dataobj-raise)] } {
997	# Setting dataset visible enables outline
998	# and glyphs
999	SendCmd "dataset visible 1 $tag"
1000	}
1001	}
1002	}
1003
1004	if { $_first != "" } {
1005	$itk_component(field) choices delete 0 end
1006	$itk_component(fieldmenu) delete 0 end
1007	array unset _fields
1008	set _curFldName ""
1009	foreach cname [$_first components] {
1010	foreach fname [$_first fieldnames $cname] {
1011	if { [info exists _fields($fname)] } {
1012	continue
1013	}
1014	foreach { label units components } \
1015	[$_first fieldinfo $fname] break
1016	$itk_component(field) choices insert end "$fname" "$label"
1017	$itk_component(fieldmenu) add radiobutton -label "$label" \
1018	-value $label -variable [itcl::scope _curFldLabel] \
1019	-selectcolor red \
1020	-activebackground $itk_option(-plotbackground) \
1021	-activeforeground $itk_option(-plotforeground) \
1022	-font "Arial 8" \
1023	-command [itcl::code $this Combo invoke]
1024	set _fields($fname) [list $label $units $components]
1025	if { $_curFldName == "" } {
1026	set _curFldName $fname
1027	set _curFldLabel $label
1028	}
1029	}
1030	}
1031	$itk_component(field) value $_curFldLabel
1032	}
1033	InitSettings glyphOutline
1034	#cutplaneVisible
1035	if { $_reset } {
1036	# These are settings that rely on a dataset being loaded.
1037	InitSettings \
1038	glyphLighting \
1039	field \
1040	glyphEdges glyphLighting glyphOpacity \
1041	glyphWireframe
1042
1043	#cutplaneXPosition cutplaneYPosition cutplaneZPosition \
1044	cutplaneXVisible cutplaneYVisible cutplaneZVisible \
1045	cutplanePreinterp
1046
1047	Zoom reset
1048	foreach axis { x y z } {
1049	# Another problem fixed by a <view>. We looking into a data
1050	# object for the name of the axes. This should be global to
1051	# the viewer itself.
1052	set label [$_first hints ${axis}label]
1053	if { $label == "" } {
1054	set label [string toupper $axis]
1055	}
1056	# May be a space in the axis label.
1057	SendCmd [list axis name $axis $label]
1058	}
1059	if { [array size _fields] < 2 } {
1060	blt::table forget $itk_component(field) $itk_component(field_l)
1061	}
1062	set _reset 0
1063	}
1064
1065	# Actually write the commands to the server socket. If it fails, we don't
1066	# care. We're finished here.
1067	blt::busy hold $itk_component(hull)
1068	StopBufferingCommands; # Turn off buffering and send commands.
1069	blt::busy release $itk_component(hull)
1070	}
1071
1072	# ----------------------------------------------------------------------
1073	# USAGE: CurrentDatasets ?-all -visible? ?dataobjs?
1074	#
1075	# Returns a list of server IDs for the current datasets being displayed. This
1076	# is normally a single ID, but it might be a list of IDs if the current data
1077	# object has multiple components.
1078	# ----------------------------------------------------------------------
1079	itcl::body Rappture::VtkGlyphViewer::CurrentDatasets {args} {
1080	set flag [lindex $args 0]
1081	switch -- $flag {
1082	"-all" {
1083	if { [llength $args] > 1 } {
1084	error "CurrentDatasets: can't specify dataobj after \"-all\""
1085	}
1086	set dlist [get -objects]
1087	}
1088	"-visible" {
1089	if { [llength $args] > 1 } {
1090	set dlist {}
1091	set args [lrange $args 1 end]
1092	foreach dataobj $args {
1093	if { [info exists _obj2ovride($dataobj-raise)] } {
1094	lappend dlist $dataobj
1095	}
1096	}
1097	} else {
1098	set dlist [get -visible]
1099	}
1100	}
1101	default {
1102	set dlist $args
1103	}
1104	}
1105	set rlist ""
1106	foreach dataobj $dlist {
1107	foreach comp [$dataobj components] {
1108	set tag $dataobj-$comp
1109	if { [info exists _datasets($tag)] && $_datasets($tag) } {
1110	lappend rlist $tag
1111	}
1112	}
1113	}
1114	return $rlist
1115	}
1116
1117	# ----------------------------------------------------------------------
1118	# USAGE: Zoom in
1119	# USAGE: Zoom out
1120	# USAGE: Zoom reset
1121	#
1122	# Called automatically when the user clicks on one of the zoom
1123	# controls for this widget. Changes the zoom for the current view.
1124	# ----------------------------------------------------------------------
1125	itcl::body Rappture::VtkGlyphViewer::Zoom {option} {
1126	switch -- $option {
1127	"in" {
1128	set _view(zoom) [expr {$_view(zoom)*1.25}]
1129	SendCmd "camera zoom $_view(zoom)"
1130	}
1131	"out" {
1132	set _view(zoom) [expr {$_view(zoom)*0.8}]
1133	SendCmd "camera zoom $_view(zoom)"
1134	}
1135	"reset" {
1136	array set _view {
1137	qw 0.853553
1138	qx -0.353553
1139	qy 0.353553
1140	qz 0.146447
1141	zoom 1.0
1142	xpan 0
1143	ypan 0
1144	}
1145	if { $_first != "" } {
1146	set location [$_first hints camera]
1147	if { $location != "" } {
1148	array set _view $location
1149	}
1150	}
1151	set q [list $_view(qw) $_view(qx) $_view(qy) $_view(qz)]
1152	$_arcball quaternion $q
1153	DoRotate
1154	SendCmd "camera reset"
1155	}
1156	}
1157	}
1158
1159	itcl::body Rappture::VtkGlyphViewer::PanCamera {} {
1160	set x $_view(xpan)
1161	set y $_view(ypan)
1162	SendCmd "camera pan $x $y"
1163	}
1164
1165
1166	# ----------------------------------------------------------------------
1167	# USAGE: Rotate click <x> <y>
1168	# USAGE: Rotate drag <x> <y>
1169	# USAGE: Rotate release <x> <y>
1170	#
1171	# Called automatically when the user clicks/drags/releases in the
1172	# plot area. Moves the plot according to the user's actions.
1173	# ----------------------------------------------------------------------
1174	itcl::body Rappture::VtkGlyphViewer::Rotate {option x y} {
1175	switch -- $option {
1176	"click" {
1177	$itk_component(view) configure -cursor fleur
1178	set _click(x) $x
1179	set _click(y) $y
1180	}
1181	"drag" {
1182	if {[array size _click] == 0} {
1183	Rotate click $x $y
1184	} else {
1185	set w [winfo width $itk_component(view)]
1186	set h [winfo height $itk_component(view)]
1187	if {$w <= 0 \|\| $h <= 0} {
1188	return
1189	}
1190
1191	if {[catch {
1192	# this fails sometimes for no apparent reason
1193	set dx [expr {double($x-$_click(x))/$w}]
1194	set dy [expr {double($y-$_click(y))/$h}]
1195	}]} {
1196	return
1197	}
1198	if { $dx == 0 && $dy == 0 } {
1199	return
1200	}
1201	set q [$_arcball rotate $x $y $_click(x) $_click(y)]
1202	EventuallyRotate $q
1203	set _click(x) $x
1204	set _click(y) $y
1205	}
1206	}
1207	"release" {
1208	Rotate drag $x $y
1209	$itk_component(view) configure -cursor ""
1210	catch {unset _click}
1211	}
1212	default {
1213	error "bad option \"$option\": should be click, drag, release"
1214	}
1215	}
1216	}
1217
1218	itcl::body Rappture::VtkGlyphViewer::Pick {x y} {
1219	foreach tag [CurrentDatasets -visible] {
1220	SendCmdNoSplash "dataset getscalar pixel $x $y $tag"
1221	}
1222	}
1223
1224	# ----------------------------------------------------------------------
1225	# USAGE: $this Pan click x y
1226	# $this Pan drag x y
1227	# $this Pan release x y
1228	#
1229	# Called automatically when the user clicks on one of the zoom
1230	# controls for this widget. Changes the zoom for the current view.
1231	# ----------------------------------------------------------------------
1232	itcl::body Rappture::VtkGlyphViewer::Pan {option x y} {
1233	switch -- $option {
1234	"set" {
1235	set w [winfo width $itk_component(view)]
1236	set h [winfo height $itk_component(view)]
1237	set x [expr $x / double($w)]
1238	set y [expr $y / double($h)]
1239	set _view(xpan) [expr $_view(xpan) + $x]
1240	set _view(ypan) [expr $_view(ypan) + $y]
1241	PanCamera
1242	return
1243	}
1244	"click" {
1245	set _click(x) $x
1246	set _click(y) $y
1247	$itk_component(view) configure -cursor hand1
1248	}
1249	"drag" {
1250	if { ![info exists _click(x)] } {
1251	set _click(x) $x
1252	}
1253	if { ![info exists _click(y)] } {
1254	set _click(y) $y
1255	}
1256	set w [winfo width $itk_component(view)]
1257	set h [winfo height $itk_component(view)]
1258	set dx [expr ($_click(x) - $x)/double($w)]
1259	set dy [expr ($_click(y) - $y)/double($h)]
1260	set _click(x) $x
1261	set _click(y) $y
1262	set _view(xpan) [expr $_view(xpan) - $dx]
1263	set _view(ypan) [expr $_view(ypan) - $dy]
1264	PanCamera
1265	}
1266	"release" {
1267	Pan drag $x $y
1268	$itk_component(view) configure -cursor ""
1269	}
1270	default {
1271	error "unknown option \"$option\": should set, click, drag, or release"
1272	}
1273	}
1274	}
1275
1276	# ----------------------------------------------------------------------
1277	# USAGE: InitSettings <what> ?<value>?
1278	#
1279	# Used internally to update rendering settings whenever parameters
1280	# change in the popup settings panel. Sends the new settings off
1281	# to the back end.
1282	# ----------------------------------------------------------------------
1283	itcl::body Rappture::VtkGlyphViewer::InitSettings { args } {
1284	foreach spec $args {
1285	if { [info exists _settings($_first-$spec)] } {
1286	# Reset global setting with dataobj specific setting
1287	set _settings($spec) $_settings($_first-$spec)
1288	}
1289	AdjustSetting $spec
1290	}
1291	}
1292
1293	#
1294	# AdjustSetting --
1295	#
1296	# Changes/updates a specific setting in the widget. There are
1297	# usually user-setable option. Commands are sent to the render
1298	# server.
1299	#
1300	itcl::body Rappture::VtkGlyphViewer::AdjustSetting {what {value ""}} {
1301	if { ![isconnected] } {
1302	return
1303	}
1304	switch -- $what {
1305	"background" {
1306	set bgcolor [$itk_component(background) value]
1307	array set fgcolors {
1308	"black" "white"
1309	"white" "black"
1310	"grey" "black"
1311	}
1312	configure -plotbackground $bgcolor \
1313	-plotforeground $fgcolors($bgcolor)
1314	$itk_component(view) delete "legend"
1315	DrawLegend
1316	}
1317	"axesVisible" {
1318	set bool $_settings(axesVisible)
1319	SendCmd "axis visible all $bool"
1320	}
1321	"axisLabelsVisible" {
1322	set bool $_settings(axisLabelsVisible)
1323	SendCmd "axis labels all $bool"
1324	}
1325	"axisXGrid" - "axisYGrid" - "axisZGrid" {
1326	set axis [string tolower [string range $what 4 4]]
1327	set bool $_settings($what)
1328	SendCmd "axis grid $axis $bool"
1329	}
1330	"axisMode" {
1331	set mode [$itk_component(axisMode) value]
1332	set mode [$itk_component(axisMode) translate $mode]
1333	set _settings($what) $mode
1334	SendCmd "axis flymode $mode"
1335	}
1336	"cutplaneEdges" {
1337	set bool $_settings($what)
1338	SendCmd "cutplane edges $bool"
1339	}
1340	"cutplaneVisible" {
1341	set bool $_settings($what)
1342	SendCmd "cutplane visible $bool"
1343	}
1344	"cutplaneWireframe" {
1345	set bool $_settings($what)
1346	SendCmd "cutplane wireframe $bool"
1347	}
1348	"cutplaneLighting" {
1349	set bool $_settings($what)
1350	SendCmd "cutplane lighting $bool"
1351	}
1352	"cutplaneOpacity" {
1353	set val $_settings($what)
1354	set sval [expr { 0.01 * double($val) }]
1355	SendCmd "cutplane opacity $sval"
1356	}
1357	"cutplanePreinterp" {
1358	set bool $_settings($what)
1359	SendCmd "cutplane preinterp $bool"
1360	}
1361	"cutplaneXVisible" - "cutplaneYVisible" - "cutplaneZVisible" {
1362	set axis [string tolower [string range $what 8 8]]
1363	set bool $_settings($what)
1364	if { $bool } {
1365	$itk_component(${axis}position) configure -state normal \
1366	-troughcolor white
1367	} else {
1368	$itk_component(${axis}position) configure -state disabled \
1369	-troughcolor grey82
1370	}
1371	SendCmd "cutplane axis $axis $bool"
1372	}
1373	"cutplaneXPosition" - "cutplaneYPosition" - "cutplaneZPosition" {
1374	set axis [string tolower [string range $what 8 8]]
1375	set pos [expr $_settings($what) * 0.01]
1376	SendCmd "cutplane slice ${axis} ${pos}"
1377	set _cutplanePending 0
1378	}
1379	"colormap" {
1380	set _changed(colormap) 1
1381	StartBufferingCommands
1382	set color [$itk_component(colormap) value]
1383	set _settings(colormap) $color
1384	if { $color == "none" } {
1385	if { $_settings(colormapVisible) } {
1386	SendCmd "glyphs colormode constant {}"
1387	set _settings(colormapVisible) 0
1388	}
1389	} else {
1390	if { !$_settings(colormapVisible) } {
1391	SendCmd "glyphs colormode $_colorMode $_curFldName"
1392	set _settings(colormapVisible) 1
1393	}
1394	SetCurrentColormap $color
1395	}
1396	StopBufferingCommands
1397	EventuallyRequestLegend
1398	}
1399	"glyphWireframe" {
1400	set bool $_settings(glyphWireframe)
1401	SendCmd "glyphs wireframe $bool"
1402	}
1403	"glyphVisible" {
1404	set bool $_settings(glyphVisible)
1405	SendCmd "glyphs visible $bool"
1406	if { $bool } {
1407	Rappture::Tooltip::for $itk_component(glyphs) \
1408	"Hide the glyph"
1409	} else {
1410	Rappture::Tooltip::for $itk_component(glyphs) \
1411	"Show the glyph"
1412	}
1413	DrawLegend
1414	}
1415	"glyphLighting" {
1416	set bool $_settings(glyphLighting)
1417	SendCmd "glyphs lighting $bool"
1418	}
1419	"glyphEdges" {
1420	set bool $_settings(glyphEdges)
1421	SendCmd "glyphs edges $bool"
1422	}
1423	"glyphOutline" {
1424	set bool $_settings(glyphOutline)
1425	SendCmd "outline visible $bool"
1426	}
1427	"glyphOpacity" {
1428	set val $_settings(glyphOpacity)
1429	set sval [expr { 0.01 * double($val) }]
1430	SendCmd "glyphs opacity $sval"
1431	}
1432	"field" {
1433	set label [$itk_component(field) value]
1434	set fname [$itk_component(field) translate $label]
1435	set _settings(field) $fname
1436	if { [info exists _fields($fname)] } {
1437	foreach { label units components } $_fields($fname) break
1438	if { $components > 1 } {
1439	set _colorMode vmag
1440	} else {
1441	set _colorMode scalar
1442	}
1443	set _curFldName $fname
1444	set _curFldLabel $label
1445	} else {
1446	puts stderr "unknown field \"$fname\""
1447	return
1448	}
1449	#SendCmd "dataset maprange explicit $_limits($_curFldName) $_curFldName"
1450	#SendCmd "cutplane colormode $_colorMode $_curFldName"
1451	SendCmd "glyphs colormode $_colorMode $_curFldName"
1452	DrawLegend
1453	}
1454	"legendVisible" {
1455	if { !$_settings(legendVisible) } {
1456	$itk_component(view) delete legend
1457	}
1458	DrawLegend
1459	}
1460	default {
1461	error "don't know how to fix $what"
1462	}
1463	}
1464	}
1465
1466
1467	#
1468	# RequestLegend --
1469	#
1470	# Request a new legend from the server. The size of the legend
1471	# is determined from the height of the canvas.
1472	#
1473	# This should be called when
1474	# 1. A new current colormap is set.
1475	# 2. Window is resized.
1476	# 3. The limits of the data have changed. (Just need a redraw).
1477	# 4. Number of glyph have changed. (Just need a redraw).
1478	# 5. Legend becomes visible (Just need a redraw).
1479	#
1480	itcl::body Rappture::VtkGlyphViewer::RequestLegend {} {
1481	set _legendPending 0
1482	if { ![info exists _fields($_curFldName)] } {
1483	return
1484	}
1485	set fname $_curFldName
1486	set font "Arial 8"
1487	set lineht [font metrics $font -linespace]
1488	set w 12
1489	set h [expr {$_height - 2 * ($lineht + 2)}]
1490	if { $h < 1 } {
1491	return
1492	}
1493	if { [string match "component*" $fname] } {
1494	set title ""
1495	} else {
1496	if { [info exists _fields($fname)] } {
1497	foreach { title units } $_fields($fname) break
1498	if { $units != "" } {
1499	set title [format "%s (%s)" $title $units]
1500	}
1501	} else {
1502	set title $fname
1503	}
1504	}
1505	# If there's a title too, substract one more line
1506	if { $title != "" } {
1507	incr h -$lineht
1508	}
1509	# Set the legend on the first heightmap dataset.
1510	if { $_currentColormap != "" } {
1511	set cmap $_currentColormap
1512	SendCmdNoWait "legend $cmap $_colorMode $_curFldName {} $w $h 0"
1513	}
1514	}
1515
1516	# ----------------------------------------------------------------------
1517	# CONFIGURATION OPTION: -plotbackground
1518	# ----------------------------------------------------------------------
1519	itcl::configbody Rappture::VtkGlyphViewer::plotbackground {
1520	if { [isconnected] } {
1521	set rgb [Color2RGB $itk_option(-plotbackground)]
1522	SendCmd "screen bgcolor $rgb"
1523	}
1524	}
1525
1526	# ----------------------------------------------------------------------
1527	# CONFIGURATION OPTION: -plotforeground
1528	# ----------------------------------------------------------------------
1529	itcl::configbody Rappture::VtkGlyphViewer::plotforeground {
1530	if { [isconnected] } {
1531	set rgb [Color2RGB $itk_option(-plotforeground)]
1532	SendCmd "axis color all $rgb"
1533	SendCmd "outline color $rgb"
1534	#SendCmd "cutplane color $rgb"
1535	}
1536	}
1537
1538	itcl::body Rappture::VtkGlyphViewer::limits { dataobj } {
1539	foreach { limits(xmin) limits(xmax) } [$dataobj limits x] break
1540	foreach { limits(ymin) limits(ymax) } [$dataobj limits y] break
1541	foreach { limits(zmin) limits(zmax) } [$dataobj limits z] break
1542	foreach { limits(vmin) limits(vmax) } [$dataobj limits v] break
1543	return [array get limits]
1544	}
1545
1546	itcl::body Rappture::VtkGlyphViewer::BuildGlyphTab {} {
1547
1548	set fg [option get $itk_component(hull) font Font]
1549	#set bfg [option get $itk_component(hull) boldFont Font]
1550
1551	set inner [$itk_component(main) insert end \
1552	-title "Glyph Settings" \
1553	-icon [Rappture::icon volume-on]]
1554	$inner configure -borderwidth 4
1555
1556	checkbutton $inner.glyphs \
1557	-text "Glyphs" \
1558	-variable [itcl::scope _settings(glyphVisible)] \
1559	-command [itcl::code $this AdjustSetting glyphVisible] \
1560	-font "Arial 9"
1561
1562	checkbutton $inner.wireframe \
1563	-text "Wireframe" \
1564	-variable [itcl::scope _settings(glyphWireframe)] \
1565	-command [itcl::code $this AdjustSetting glyphWireframe] \
1566	-font "Arial 9"
1567
1568	checkbutton $inner.lighting \
1569	-text "Enable Lighting" \
1570	-variable [itcl::scope _settings(glyphLighting)] \
1571	-command [itcl::code $this AdjustSetting glyphLighting] \
1572	-font "Arial 9"
1573
1574	checkbutton $inner.edges \
1575	-text "Edges" \
1576	-variable [itcl::scope _settings(glyphEdges)] \
1577	-command [itcl::code $this AdjustSetting glyphEdges] \
1578	-font "Arial 9"
1579
1580	checkbutton $inner.outline \
1581	-text "Outline" \
1582	-variable [itcl::scope _settings(glyphOutline)] \
1583	-command [itcl::code $this AdjustSetting glyphOutline] \
1584	-font "Arial 9"
1585
1586	checkbutton $inner.legend \
1587	-text "Legend" \
1588	-variable [itcl::scope _settings(legendVisible)] \
1589	-command [itcl::code $this AdjustSetting legendVisible] \
1590	-font "Arial 9"
1591
1592	label $inner.background_l -text "Background" -font "Arial 9"
1593	itk_component add background {
1594	Rappture::Combobox $inner.background -width 10 -editable no
1595	}
1596	$inner.background choices insert end \
1597	"black" "black" \
1598	"white" "white" \
1599	"grey" "grey"
1600
1601	$itk_component(background) value $_settings(background)
1602	bind $inner.background <<Value>> [itcl::code $this AdjustSetting background]
1603
1604	label $inner.opacity_l -text "Opacity" -font "Arial 9"
1605	::scale $inner.opacity -from 0 -to 100 -orient horizontal \
1606	-variable [itcl::scope _settings(glyphOpacity)] \
1607	-width 10 \
1608	-showvalue off \
1609	-command [itcl::code $this AdjustSetting glyphOpacity]
1610
1611	label $inner.scale_l -text "Scale" -font "Arial 9"
1612	::scale $inner.scale -from 1 -to 100 -orient horizontal \
1613	-variable [itcl::scope _settings(glyphs-scale)] \
1614	-width 10 \
1615	-showvalue off \
1616	-command [itcl::code $this AdjustSetting glyphs-scale]
1617
1618	itk_component add field_l {
1619	label $inner.field_l -text "Color By" -font "Arial 9"
1620	} {
1621	ignore -font
1622	}
1623	itk_component add field {
1624	Rappture::Combobox $inner.field -width 10 -editable no
1625	}
1626	bind $inner.field <<Value>> \
1627	[itcl::code $this AdjustSetting field]
1628
1629	label $inner.colormap_l -text "Colormap" -font "Arial 9"
1630	itk_component add colormap {
1631	Rappture::Combobox $inner.colormap -width 10 -editable no
1632	}
1633	$inner.colormap choices insert end \
1634	"BCGYR" "BCGYR" \
1635	"BGYOR" "BGYOR" \
1636	"blue" "blue" \
1637	"blue-to-brown" "blue-to-brown" \
1638	"blue-to-orange" "blue-to-orange" \
1639	"blue-to-grey" "blue-to-grey" \
1640	"green-to-magenta" "green-to-magenta" \
1641	"greyscale" "greyscale" \
1642	"nanohub" "nanohub" \
1643	"rainbow" "rainbow" \
1644	"spectral" "spectral" \
1645	"ROYGB" "ROYGB" \
1646	"RYGCB" "RYGCB" \
1647	"brown-to-blue" "brown-to-blue" \
1648	"grey-to-blue" "grey-to-blue" \
1649	"orange-to-blue" "orange-to-blue"
1650
1651	$itk_component(colormap) value "BCGYR"
1652	bind $inner.colormap <<Value>> \
1653	[itcl::code $this AdjustSetting colormap]
1654
1655	blt::table $inner \
1656	0,0 $inner.field_l -anchor w -pady 2 \
1657	0,1 $inner.field -anchor w -pady 2 -fill x \
1658	1,0 $inner.colormap_l -anchor w -pady 2 \
1659	1,1 $inner.colormap -anchor w -pady 2 -fill x \
1660	3,0 $inner.background_l -anchor w -pady 2 \
1661	3,1 $inner.background -anchor w -pady 2 -fill x \
1662	5,0 $inner.wireframe -anchor w -pady 2 -cspan 2 \
1663	6,0 $inner.lighting -anchor w -pady 2 -cspan 2 \
1664	7,0 $inner.edges -anchor w -pady 2 -cspan 2 \
1665	8,0 $inner.outline -anchor w -pady 2 -cspan 2 \
1666	9,0 $inner.legend -anchor w -pady 2 \
1667	10,0 $inner.opacity_l -anchor w -pady 2 \
1668	10,1 $inner.opacity -fill x -pady 2 -fill x \
1669
1670	blt::table configure $inner r* c* -resize none
1671	blt::table configure $inner r11 c1 -resize expand
1672	}
1673
1674	itcl::body Rappture::VtkGlyphViewer::BuildAxisTab {} {
1675
1676	set fg [option get $itk_component(hull) font Font]
1677	#set bfg [option get $itk_component(hull) boldFont Font]
1678
1679	set inner [$itk_component(main) insert end \
1680	-title "Axis Settings" \
1681	-icon [Rappture::icon axis2]]
1682	$inner configure -borderwidth 4
1683
1684	checkbutton $inner.visible \
1685	-text "Show Axes" \
1686	-variable [itcl::scope _settings(axesVisible)] \
1687	-command [itcl::code $this AdjustSetting axesVisible] \
1688	-font "Arial 9"
1689
1690	checkbutton $inner.labels \
1691	-text "Show Axis Labels" \
1692	-variable [itcl::scope _settings(axisLabelsVisible)] \
1693	-command [itcl::code $this AdjustSetting axisLabelsVisible] \
1694	-font "Arial 9"
1695
1696	checkbutton $inner.gridx \
1697	-text "Show X Grid" \
1698	-variable [itcl::scope _settings(axisXGrid)] \
1699	-command [itcl::code $this AdjustSetting axisXGrid] \
1700	-font "Arial 9"
1701	checkbutton $inner.gridy \
1702	-text "Show Y Grid" \
1703	-variable [itcl::scope _settings(axisYGrid)] \
1704	-command [itcl::code $this AdjustSetting axisYGrid] \
1705	-font "Arial 9"
1706	checkbutton $inner.gridz \
1707	-text "Show Z Grid" \
1708	-variable [itcl::scope _settings(axisZGrid)] \
1709	-command [itcl::code $this AdjustSetting axisZGrid] \
1710	-font "Arial 9"
1711
1712	label $inner.mode_l -text "Mode" -font "Arial 9"
1713
1714	itk_component add axisMode {
1715	Rappture::Combobox $inner.mode -width 10 -editable no
1716	}
1717	$inner.mode choices insert end \
1718	"static_triad" "static" \
1719	"closest_triad" "closest" \
1720	"furthest_triad" "farthest" \
1721	"outer_edges" "outer"
1722	$itk_component(axisMode) value "static"
1723	bind $inner.mode <<Value>> [itcl::code $this AdjustSetting axisMode]
1724
1725	blt::table $inner \
1726	0,0 $inner.visible -anchor w -cspan 2 \
1727	1,0 $inner.labels -anchor w -cspan 2 \
1728	2,0 $inner.gridx -anchor w -cspan 2 \
1729	3,0 $inner.gridy -anchor w -cspan 2 \
1730	4,0 $inner.gridz -anchor w -cspan 2 \
1731	5,0 $inner.mode_l -anchor w -cspan 2 -padx { 2 0 } \
1732	6,0 $inner.mode -fill x -cspan 2
1733
1734	blt::table configure $inner r* c* -resize none
1735	blt::table configure $inner r7 c1 -resize expand
1736	}
1737
1738
1739	itcl::body Rappture::VtkGlyphViewer::BuildCameraTab {} {
1740	set inner [$itk_component(main) insert end \
1741	-title "Camera Settings" \
1742	-icon [Rappture::icon camera]]
1743	$inner configure -borderwidth 4
1744
1745	label $inner.view_l -text "view" -font "Arial 9"
1746	set f [frame $inner.view]
1747	foreach side { front back left right top bottom } {
1748	button $f.$side -image [Rappture::icon view$side] \
1749	-command [itcl::code $this SetOrientation $side]
1750	Rappture::Tooltip::for $f.$side "Change the view to $side"
1751	pack $f.$side -side left
1752	}
1753
1754	blt::table $inner \
1755	0,0 $inner.view_l -anchor e -pady 2 \
1756	0,1 $inner.view -anchor w -pady 2
1757
1758	set labels { qx qy qz qw xpan ypan zoom }
1759	set row 1
1760	foreach tag $labels {
1761	label $inner.${tag}label -text $tag -font "Arial 9"
1762	entry $inner.${tag} -font "Arial 9" -bg white \
1763	-textvariable [itcl::scope _view($tag)]
1764	bind $inner.${tag} <KeyPress-Return> \
1765	[itcl::code $this camera set ${tag}]
1766	blt::table $inner \
1767	$row,0 $inner.${tag}label -anchor e -pady 2 \
1768	$row,1 $inner.${tag} -anchor w -pady 2
1769	blt::table configure $inner r$row -resize none
1770	incr row
1771	}
1772	checkbutton $inner.ortho \
1773	-text "Orthographic Projection" \
1774	-variable [itcl::scope _view(ortho)] \
1775	-command [itcl::code $this camera set ortho] \
1776	-font "Arial 9"
1777	blt::table $inner \
1778	$row,0 $inner.ortho -cspan 2 -anchor w -pady 2
1779	blt::table configure $inner r$row -resize none
1780	incr row
1781
1782	blt::table configure $inner c* r* -resize none
1783	blt::table configure $inner c2 -resize expand
1784	blt::table configure $inner r$row -resize expand
1785	}
1786
1787	itcl::body Rappture::VtkGlyphViewer::BuildCutplaneTab {} {
1788
1789	set fg [option get $itk_component(hull) font Font]
1790
1791	set inner [$itk_component(main) insert end \
1792	-title "Cutplane Settings" \
1793	-icon [Rappture::icon cutbutton]]
1794
1795	$inner configure -borderwidth 4
1796
1797	checkbutton $inner.visible \
1798	-text "Cutplanes" \
1799	-variable [itcl::scope _settings(cutplaneVisible)] \
1800	-command [itcl::code $this AdjustSetting cutplaneVisible] \
1801	-font "Arial 9"
1802
1803	checkbutton $inner.wireframe \
1804	-text "Wireframe" \
1805	-variable [itcl::scope _settings(cutplaneWireframe)] \
1806	-command [itcl::code $this AdjustSetting cutplaneWireframe] \
1807	-font "Arial 9"
1808
1809	checkbutton $inner.lighting \
1810	-text "Enable Lighting" \
1811	-variable [itcl::scope _settings(cutplaneLighting)] \
1812	-command [itcl::code $this AdjustSetting cutplaneLighting] \
1813	-font "Arial 9"
1814
1815	checkbutton $inner.edges \
1816	-text "Edges" \
1817	-variable [itcl::scope _settings(cutplaneEdges)] \
1818	-command [itcl::code $this AdjustSetting cutplaneEdges] \
1819	-font "Arial 9"
1820
1821	checkbutton $inner.preinterp \
1822	-text "Interpolate Scalars" \
1823	-variable [itcl::scope _settings(cutplanePreinterp)] \
1824	-command [itcl::code $this AdjustSetting cutplanePreinterp] \
1825	-font "Arial 9"
1826
1827	label $inner.opacity_l -text "Opacity" -font "Arial 9"
1828	::scale $inner.opacity -from 0 -to 100 -orient horizontal \
1829	-variable [itcl::scope _settings(cutplaneOpacity)] \
1830	-width 10 \
1831	-showvalue off \
1832	-command [itcl::code $this AdjustSetting cutplaneOpacity]
1833	$inner.opacity set $_settings(cutplaneOpacity)
1834
1835	# X-value slicer...
1836	itk_component add xbutton {
1837	Rappture::PushButton $inner.xbutton \
1838	-onimage [Rappture::icon x-cutplane-red] \
1839	-offimage [Rappture::icon x-cutplane-red] \
1840	-command [itcl::code $this AdjustSetting cutplaneXVisible] \
1841	-variable [itcl::scope _settings(cutplaneXVisible)] \
1842	}
1843	Rappture::Tooltip::for $itk_component(xbutton) \
1844	"Toggle the X-axis cutplane on/off"
1845	$itk_component(xbutton) select
1846	itk_component add xposition {
1847	::scale $inner.xval -from 100 -to 0 \
1848	-width 10 -orient vertical -showvalue yes \
1849	-borderwidth 1 -highlightthickness 0 \
1850	-command [itcl::code $this EventuallySetCutplane x] \
1851	-variable [itcl::scope _settings(cutplaneXPosition)] \
1852	-foreground red2 -font "Arial 9 bold"
1853	} {
1854	usual
1855	ignore -borderwidth -highlightthickness -foreground -font -background
1856	}
1857	# Set the default cutplane value before disabling the scale.
1858	$itk_component(xposition) set 50
1859	$itk_component(xposition) configure -state disabled
1860	Rappture::Tooltip::for $itk_component(xposition) \
1861	"@[itcl::code $this Slice tooltip x]"
1862
1863	# Y-value slicer...
1864	itk_component add ybutton {
1865	Rappture::PushButton $inner.ybutton \
1866	-onimage [Rappture::icon y-cutplane-green] \
1867	-offimage [Rappture::icon y-cutplane-green] \
1868	-command [itcl::code $this AdjustSetting cutplaneYVisible] \
1869	-variable [itcl::scope _settings(cutplaneYVisible)] \
1870	}
1871	Rappture::Tooltip::for $itk_component(ybutton) \
1872	"Toggle the Y-axis cutplane on/off"
1873	$itk_component(ybutton) select
1874
1875	itk_component add yposition {
1876	::scale $inner.yval -from 100 -to 0 \
1877	-width 10 -orient vertical -showvalue yes \
1878	-borderwidth 1 -highlightthickness 0 \
1879	-command [itcl::code $this EventuallySetCutplane y] \
1880	-variable [itcl::scope _settings(cutplaneYPosition)] \
1881	-foreground green3 -font "Arial 9 bold"
1882	} {
1883	usual
1884	ignore -borderwidth -highlightthickness -foreground -font
1885	}
1886	Rappture::Tooltip::for $itk_component(yposition) \
1887	"@[itcl::code $this Slice tooltip y]"
1888	# Set the default cutplane value before disabling the scale.
1889	$itk_component(yposition) set 50
1890	$itk_component(yposition) configure -state disabled
1891
1892	# Z-value slicer...
1893	itk_component add zbutton {
1894	Rappture::PushButton $inner.zbutton \
1895	-onimage [Rappture::icon z-cutplane-blue] \
1896	-offimage [Rappture::icon z-cutplane-blue] \
1897	-command [itcl::code $this AdjustSetting cutplaneZVisible] \
1898	-variable [itcl::scope _settings(cutplaneZVisible)] \
1899	} {
1900	usual
1901	ignore -foreground
1902	}
1903	Rappture::Tooltip::for $itk_component(zbutton) \
1904	"Toggle the Z-axis cutplane on/off"
1905	$itk_component(zbutton) select
1906
1907	itk_component add zposition {
1908	::scale $inner.zval -from 100 -to 0 \
1909	-width 10 -orient vertical -showvalue yes \
1910	-borderwidth 1 -highlightthickness 0 \
1911	-command [itcl::code $this EventuallySetCutplane z] \
1912	-variable [itcl::scope _settings(cutplaneZPosition)] \
1913	-foreground blue3 -font "Arial 9 bold"
1914	} {
1915	usual
1916	ignore -borderwidth -highlightthickness -foreground -font
1917	}
1918	$itk_component(zposition) set 50
1919	$itk_component(zposition) configure -state disabled
1920	Rappture::Tooltip::for $itk_component(zposition) \
1921	"@[itcl::code $this Slice tooltip z]"
1922
1923	blt::table $inner \
1924	0,0 $inner.visible -anchor w -pady 2 -cspan 3 \
1925	1,0 $inner.lighting -anchor w -pady 2 -cspan 3 \
1926	2,0 $inner.wireframe -anchor w -pady 2 -cspan 3 \
1927	3,0 $inner.edges -anchor w -pady 2 -cspan 3 \
1928	4,0 $inner.preinterp -anchor w -pady 2 -cspan 3 \
1929	5,0 $inner.opacity_l -anchor w -pady 2 -cspan 1 \
1930	5,1 $inner.opacity -fill x -pady 2 -cspan 3 \
1931	6,0 $inner.xbutton -anchor w -padx 2 -pady 2 \
1932	7,0 $inner.ybutton -anchor w -padx 2 -pady 2 \
1933	8,0 $inner.zbutton -anchor w -padx 2 -pady 2 \
1934	6,1 $inner.xval -fill y -rspan 4 \
1935	6,2 $inner.yval -fill y -rspan 4 \
1936	6,3 $inner.zval -fill y -rspan 4 \
1937
1938
1939	blt::table configure $inner r* c* -resize none
1940	blt::table configure $inner r9 c4 -resize expand
1941	}
1942
1943
1944
1945	#
1946	# camera --
1947	#
1948	itcl::body Rappture::VtkGlyphViewer::camera {option args} {
1949	switch -- $option {
1950	"show" {
1951	puts [array get _view]
1952	}
1953	"set" {
1954	set who [lindex $args 0]
1955	set x $_view($who)
1956	set code [catch { string is double $x } result]
1957	if { $code != 0 \|\| !$result } {
1958	return
1959	}
1960	switch -- $who {
1961	"ortho" {
1962	if {$_view(ortho)} {
1963	SendCmd "camera mode ortho"
1964	} else {
1965	SendCmd "camera mode persp"
1966	}
1967	}
1968	"xpan" - "ypan" {
1969	PanCamera
1970	}
1971	"qx" - "qy" - "qz" - "qw" {
1972	set q [list $_view(qw) $_view(qx) $_view(qy) $_view(qz)]
1973	$_arcball quaternion $q
1974	EventuallyRotate $q
1975	}
1976	"zoom" {
1977	SendCmd "camera zoom $_view(zoom)"
1978	}
1979	}
1980	}
1981	}
1982	}
1983
1984	itcl::body Rappture::VtkGlyphViewer::GetVtkData { args } {
1985	set bytes ""
1986	foreach dataobj [get] {
1987	foreach cname [$dataobj components] {
1988	set tag $dataobj-$cname
1989	set contents [$dataobj vtkdata $cname]
1990	append bytes "$contents\n"
1991	}
1992	}
1993	return [list .vtk $bytes]
1994	}
1995
1996	itcl::body Rappture::VtkGlyphViewer::GetImage { args } {
1997	if { [image width $_image(download)] > 0 &&
1998	[image height $_image(download)] > 0 } {
1999	set bytes [$_image(download) data -format "jpeg -quality 100"]
2000	set bytes [Rappture::encoding::decode -as b64 $bytes]
2001	return [list .jpg $bytes]
2002	}
2003	return ""
2004	}
2005
2006	itcl::body Rappture::VtkGlyphViewer::BuildDownloadPopup { popup command } {
2007	Rappture::Balloon $popup \
2008	-title "[Rappture::filexfer::label downloadWord] as..."
2009	set inner [$popup component inner]
2010	label $inner.summary -text "" -anchor w
2011	radiobutton $inner.vtk_button -text "VTK data file" \
2012	-variable [itcl::scope _downloadPopup(format)] \
2013	-font "Arial 9 " \
2014	-value vtk
2015	Rappture::Tooltip::for $inner.vtk_button "Save as VTK data file."
2016	radiobutton $inner.image_button -text "Image File" \
2017	-variable [itcl::scope _downloadPopup(format)] \
2018	-font "Arial 9 " \
2019	-value image
2020	Rappture::Tooltip::for $inner.image_button \
2021	"Save as digital image."
2022
2023	button $inner.ok -text "Save" \
2024	-highlightthickness 0 -pady 2 -padx 3 \
2025	-command $command \
2026	-compound left \
2027	-image [Rappture::icon download]
2028
2029	button $inner.cancel -text "Cancel" \
2030	-highlightthickness 0 -pady 2 -padx 3 \
2031	-command [list $popup deactivate] \
2032	-compound left \
2033	-image [Rappture::icon cancel]
2034
2035	blt::table $inner \
2036	0,0 $inner.summary -cspan 2 \
2037	1,0 $inner.vtk_button -anchor w -cspan 2 -padx { 4 0 } \
2038	2,0 $inner.image_button -anchor w -cspan 2 -padx { 4 0 } \
2039	4,1 $inner.cancel -width .9i -fill y \
2040	4,0 $inner.ok -padx 2 -width .9i -fill y
2041	blt::table configure $inner r3 -height 4
2042	blt::table configure $inner r4 -pady 4
2043	raise $inner.image_button
2044	$inner.vtk_button invoke
2045	return $inner
2046	}
2047
2048	itcl::body Rappture::VtkGlyphViewer::SetObjectStyle { dataobj comp } {
2049	# Parse style string.
2050	set tag $dataobj-$comp
2051	array set style {
2052	-color BCGYR
2053	-edgecolor black
2054	-edges 0
2055	-gscale 1
2056	-lighting 1
2057	-linewidth 1.0
2058	-normscale 1
2059	-opacity 1.0
2060	-orientGlyphs 1
2061	-outline 0
2062	-ptsize 1.0
2063	-quality 1
2064	-scaleMode "vmag"
2065	-shape "arrow"
2066	-wireframe 0
2067	}
2068	set numComponents [$dataobj numComponents $comp]
2069	if {$numComponents == 3} {
2070	set style(-shape) "arrow"
2071	set style(-orientGlyphs) 1
2072	set style(-scaleMode) "vmag"
2073	} else {
2074	set style(-shape) "sphere"
2075	set style(-orientGlyphs) 0
2076	set style(-scaleMode) "scalar"
2077	}
2078	array set style [$dataobj style $comp]
2079	if { $dataobj != $_first } {
2080	set style(-opacity) 1
2081	}
2082	if 0 {
2083	SendCmd "cutplane add $tag"
2084	SendCmd "cutplane visible 0 $tag"
2085	}
2086	# This is too complicated. We want to set the colormap, number of
2087	# glyph and opacity for the dataset. They can be the default values,
2088	# the style hints loaded with the dataset, or set by user controls. As
2089	# datasets get loaded, they first use the defaults that are overidden
2090	# by the style hints. If the user changes the global controls, then that
2091	# overrides everything else. I don't know what it means when global
2092	# controls are specified as style hints by each dataset. It complicates
2093	# the code to handle aberrant cases.
2094
2095	if { $_changed(glyphOpacity) } {
2096	set style(-opacity) $_settings(glyphOpacity)
2097	}
2098	if { $_changed(colormap) } {
2099	set style(-color) $_settings(colormap)
2100	}
2101	if { $_currentColormap == "" } {
2102	$itk_component(colormap) value $style(-color)
2103	}
2104	set _currentOpacity $style(-opacity)
2105	SendCmd "glyphs add $style(-shape) $tag"
2106	SendCmd "glyphs edges $style(-edges) $tag"
2107	# normscale=1 and gscale=1 are defaults
2108	if {$style(-normscale) != 1} {
2109	SendCmd "glyphs normscale $style(-normscale) $tag"
2110	}
2111	if {$style(-gscale) != 1} {
2112	SendCmd "glyphs gscale $style(-gscale) $tag"
2113	}
2114	SendCmd "outline add $tag"
2115	SendCmd "outline color [Color2RGB $itk_option(-plotforeground)] $tag"
2116	SendCmd "outline visible $style(-outline) $tag"
2117	set _settings(glyphOutline) $style(-outline)
2118	set _settings(glyphEdges) $style(-edges)
2119	# constant color only used if colormode set to constant
2120	SendCmd "glyphs color [Color2RGB $itk_option(-plotforeground)] $tag"
2121	# Omitting field name for gorient and smode commands
2122	# defaults to active scalars or vectors depending on mode
2123	SendCmd "glyphs gorient $style(-orientGlyphs) {} $tag"
2124	SendCmd "glyphs smode $style(-scaleMode) {} $tag"
2125	SendCmd "glyphs quality $style(-quality) $tag"
2126	SendCmd "glyphs lighting $style(-lighting) $tag"
2127	set _settings(glyphLighting) $style(-lighting)
2128	SendCmd "glyphs linecolor [Color2RGB $style(-edgecolor)] $tag"
2129	SendCmd "glyphs linewidth $style(-linewidth) $tag"
2130	SendCmd "glyphs ptsize $style(-ptsize) $tag"
2131	SendCmd "glyphs opacity $_currentOpacity $tag"
2132	set _settings(glyphOpacity) $style(-opacity)
2133	SetCurrentColormap $style(-color)
2134	SendCmd "glyphs wireframe $style(-wireframe) $tag"
2135	set _settings(glyphWireframe) $style(-wireframe)
2136	set _settings(glyphOpacity) [expr $style(-opacity) * 100.0]
2137	}
2138
2139	itcl::body Rappture::VtkGlyphViewer::IsValidObject { dataobj } {
2140	if {[catch {$dataobj isa Rappture::Field} valid] != 0 \|\| !$valid} {
2141	return 0
2142	}
2143	return 1
2144	}
2145
2146	#
2147	# EnterLegend --
2148	#
2149	itcl::body Rappture::VtkGlyphViewer::EnterLegend { x y } {
2150	SetLegendTip $x $y
2151	}
2152
2153	#
2154	# MotionLegend --
2155	#
2156	itcl::body Rappture::VtkGlyphViewer::MotionLegend { x y } {
2157	Rappture::Tooltip::tooltip cancel
2158	set c $itk_component(view)
2159	set cw [winfo width $c]
2160	set ch [winfo height $c]
2161	if { $x >= 0 && $x < $cw && $y >= 0 && $y < $ch } {
2162	SetLegendTip $x $y
2163	}
2164	}
2165
2166	#
2167	# LeaveLegend --
2168	#
2169	itcl::body Rappture::VtkGlyphViewer::LeaveLegend { } {
2170	Rappture::Tooltip::tooltip cancel
2171	.rappturetooltip configure -icon ""
2172	}
2173
2174	#
2175	# SetLegendTip --
2176	#
2177	itcl::body Rappture::VtkGlyphViewer::SetLegendTip { x y } {
2178	set fname $_curFldName
2179	set c $itk_component(view)
2180	set w [winfo width $c]
2181	set h [winfo height $c]
2182
2183	set font "Arial 8"
2184	set lineht [font metrics $font -linespace]
2185
2186	set ih [image height $_image(legend)]
2187	set iy [expr $y - ($lineht + 2)]
2188
2189	if { [string match "component*" $fname] } {
2190	set title ""
2191	} else {
2192	if { [info exists _fields($fname)] } {
2193	foreach { title units } $_fields($fname) break
2194	if { $units != "" } {
2195	set title [format "%s (%s)" $title $units]
2196	}
2197	} else {
2198	set title $fname
2199	}
2200	}
2201	# If there's a legend title, increase the offset by the line height.
2202	if { $title != "" } {
2203	incr iy -$lineht
2204	}
2205	# Make a swatch of the selected color
2206	if { [catch { $_image(legend) get 10 $iy } pixel] != 0 } {
2207	return
2208	}
2209	if { ![info exists _image(swatch)] } {
2210	set _image(swatch) [image create photo -width 24 -height 24]
2211	}
2212	set color [eval format "\#%02x%02x%02x" $pixel]
2213	$_image(swatch) put black -to 0 0 23 23
2214	$_image(swatch) put $color -to 1 1 22 22
2215	.rappturetooltip configure -icon $_image(swatch)
2216
2217	# Compute the value of the point
2218	if { [info exists _limits($_curFldName)] } {
2219	foreach { vmin vmax } $_limits($_curFldName) break
2220	set t [expr 1.0 - (double($iy) / double($ih-1))]
2221	set value [expr $t * ($vmax - $vmin) + $vmin]
2222	} else {
2223	set value 0.0
2224	}
2225	set tx [expr $x + 15]
2226	set ty [expr $y - 5]
2227	Rappture::Tooltip::text $c [format "$title %g" $value]
2228	Rappture::Tooltip::tooltip show $c +$tx,+$ty
2229	}
2230
2231
2232	# ----------------------------------------------------------------------
2233	# USAGE: Slice move x\|y\|z <newval>
2234	#
2235	# Called automatically when the user drags the slider to move the
2236	# cut plane that slices 3D data. Gets the current value from the
2237	# slider and moves the cut plane to the appropriate point in the
2238	# data set.
2239	# ----------------------------------------------------------------------
2240	itcl::body Rappture::VtkGlyphViewer::Slice {option args} {
2241	switch -- $option {
2242	"move" {
2243	set axis [lindex $args 0]
2244	set newval [lindex $args 1]
2245	if {[llength $args] != 2} {
2246	error "wrong # args: should be \"Slice move x\|y\|z newval\""
2247	}
2248	set newpos [expr {0.01*$newval}]
2249	SendCmd "cutplane slice $axis $newpos"
2250	}
2251	"tooltip" {
2252	set axis [lindex $args 0]
2253	set val [$itk_component(${axis}position) get]
2254	return "Move the [string toupper $axis] cut plane.\nCurrently: $axis = $val%"
2255	}
2256	default {
2257	error "bad option \"$option\": should be axis, move, or tooltip"
2258	}
2259	}
2260	}
2261
2262	#
2263	# ReceiveLegend --
2264	#
2265	# Invoked automatically whenever the "legend" command comes in from
2266	# the rendering server. Indicates that binary image data with the
2267	# specified <size> will follow.
2268	#
2269	itcl::body Rappture::VtkGlyphViewer::ReceiveLegend { colormap title min max size } {
2270	#puts stderr "ReceiveLegend colormap=$colormap title=$title range=$min,$max size=$size"
2271	set _title $title
2272	regsub {\(mag\)} $title "" _title
2273	if { [IsConnected] } {
2274	set bytes [ReceiveBytes $size]
2275	if { ![info exists _image(legend)] } {
2276	set _image(legend) [image create photo]
2277	}
2278	$_image(legend) configure -data $bytes
2279	#puts stderr "read $size bytes for [image width $_image(legend)]x[image height $_image(legend)] legend>"
2280	if { [catch {DrawLegend} errs] != 0 } {
2281	global errorInfo
2282	puts stderr "errs=$errs errorInfo=$errorInfo"
2283	}
2284	}
2285	}
2286
2287	#
2288	# DrawLegend --
2289	#
2290	# Draws the legend in the own canvas on the right side of the plot area.
2291	#
2292	itcl::body Rappture::VtkGlyphViewer::DrawLegend {} {
2293	set fname $_curFldName
2294	set c $itk_component(view)
2295	set w [winfo width $c]
2296	set h [winfo height $c]
2297	set font "Arial 8"
2298	set lineht [font metrics $font -linespace]
2299
2300	if { [string match "component*" $fname] } {
2301	set title ""
2302	} else {
2303	if { [info exists _fields($fname)] } {
2304	foreach { title units } $_fields($fname) break
2305	if { $units != "" } {
2306	set title [format "%s (%s)" $title $units]
2307	}
2308	} else {
2309	set title $fname
2310	}
2311	}
2312	set x [expr $w - 2]
2313	if { !$_settings(legendVisible) } {
2314	$c delete legend
2315	return
2316	}
2317	if { [$c find withtag "legend"] == "" } {
2318	set y 2
2319	# If there's a legend title, create a text item for the title.
2320	$c create text $x $y \
2321	-anchor ne \
2322	-fill $itk_option(-plotforeground) -tags "title legend" \
2323	-font $font
2324	incr y $lineht
2325	$c create text $x $y \
2326	-anchor ne \
2327	-fill $itk_option(-plotforeground) -tags "vmax legend" \
2328	-font $font
2329	incr y $lineht
2330	$c create image $x $y \
2331	-anchor ne \
2332	-image $_image(legend) -tags "colormap legend"
2333	$c create rectangle $x $y 1 1 \
2334	-fill "" -outline "" -tags "sensor legend"
2335	$c create text $x [expr {$h-2}] \
2336	-anchor se \
2337	-fill $itk_option(-plotforeground) -tags "vmin legend" \
2338	-font $font
2339	$c bind sensor <Enter> [itcl::code $this EnterLegend %x %y]
2340	$c bind sensor <Leave> [itcl::code $this LeaveLegend]
2341	$c bind sensor <Motion> [itcl::code $this MotionLegend %x %y]
2342	}
2343	set x2 $x
2344	set iw [image width $_image(legend)]
2345	set ih [image height $_image(legend)]
2346	set x1 [expr $x2 - ($iw*12)/10]
2347
2348	$c bind title <ButtonPress> [itcl::code $this Combo post]
2349	$c bind title <Enter> [itcl::code $this Combo activate]
2350	$c bind title <Leave> [itcl::code $this Combo deactivate]
2351	# Reset the item coordinates according the current size of the plot.
2352	$c itemconfigure title -text $title
2353	if { [info exists _limits($_curFldName)] } {
2354	foreach { vmin vmax } $_limits($_curFldName) break
2355	$c itemconfigure vmin -text [format %g $vmin]
2356	$c itemconfigure vmax -text [format %g $vmax]
2357	}
2358	set y 2
2359	# If there's a legend title, move the title to the correct position
2360	if { $title != "" } {
2361	$c itemconfigure title -text $title
2362	$c coords title $x $y
2363	incr y $lineht
2364	$c raise title
2365	}
2366	$c coords vmax $x $y
2367	incr y $lineht
2368	$c coords colormap $x $y
2369	$c coords sensor [expr $x - $iw] $y $x [expr $y + $ih]
2370	$c raise sensor
2371	$c coords vmin $x [expr {$h - 2}]
2372	}
2373
2374	# ----------------------------------------------------------------------
2375	# USAGE: _dropdown post
2376	# USAGE: _dropdown unpost
2377	# USAGE: _dropdown select
2378	#
2379	# Used internally to handle the dropdown list for this combobox. The
2380	# post/unpost options are invoked when the list is posted or unposted
2381	# to manage the relief of the controlling button. The select option
2382	# is invoked whenever there is a selection from the list, to assign
2383	# the value back to the gauge.
2384	# ----------------------------------------------------------------------
2385	itcl::body Rappture::VtkGlyphViewer::Combo {option} {
2386	set c $itk_component(view)
2387	switch -- $option {
2388	post {
2389	foreach { x1 y1 x2 y2 } [$c bbox title] break
2390	set cw [winfo width $itk_component(view)]
2391	set mw [winfo reqwidth $itk_component(fieldmenu)]
2392	set x1 [expr $cw - $mw]
2393	set x [expr $x1 + [winfo rootx $itk_component(view)]]
2394	set y [expr $y2 + [winfo rooty $itk_component(view)]]
2395	tk_popup $itk_component(fieldmenu) $x $y
2396	}
2397	activate {
2398	$c itemconfigure title -fill red
2399	}
2400	deactivate {
2401	$c itemconfigure title -fill $itk_option(-plotforeground)
2402	}
2403	invoke {
2404	$itk_component(field) value $_curFldLabel
2405	AdjustSetting field
2406	}
2407	default {
2408	error "bad option \"$option\": should be post, unpost, select"
2409	}
2410	}
2411	}
2412
2413	#
2414	# SetCurrentColormap --
2415	#
2416	itcl::body Rappture::VtkGlyphViewer::SetCurrentColormap { name } {
2417	# Keep track of the colormaps that we build.
2418	if { ![info exists _colormaps($name)] } {
2419	BuildColormap $name
2420	set _colormaps($name) 1
2421	}
2422	set _currentColormap $name
2423	SendCmd "glyphs colormap $_currentColormap"
2424	}
2425
2426	#
2427	# BuildColormap --
2428	#
2429	# Build the designated colormap on the server.
2430	#
2431	itcl::body Rappture::VtkGlyphViewer::BuildColormap { name } {
2432	set cmap [ColorsToColormap $name]
2433	if { [llength $cmap] == 0 } {
2434	set cmap "0.0 0.0 0.0 0.0 1.0 1.0 1.0 1.0"
2435	}
2436	set wmap "0.0 1.0 1.0 1.0"
2437	SendCmd "colormap add $name { $cmap } { $wmap }"
2438	}
2439
2440	itcl::body Rappture::VtkGlyphViewer::SetOrientation { side } {
2441	array set positions {
2442	front "1 0 0 0"
2443	back "0 0 1 0"
2444	left "0.707107 0 -0.707107 0"
2445	right "0.707107 0 0.707107 0"
2446	top "0.707107 -0.707107 0 0"
2447	bottom "0.707107 0.707107 0 0"
2448	}
2449	foreach name { qw qx qy qz } value $positions($side) {
2450	set _view($name) $value
2451	}
2452	set q [list $_view(qw) $_view(qx) $_view(qy) $_view(qz)]
2453	$_arcball quaternion $q
2454	SendCmd "camera orient $q"
2455	SendCmd "camera reset"
2456	set _view(xpan) 0
2457	set _view(ypan) 0
2458	set _view(zoom) 1.0
2459	}
2460

Note: See TracBrowser for help on using the repository browser.

Download in other formats: