Context Navigation

source: branches/1.3/gui/scripts/vtkglyphviewer.tcl @ 4766

Last change on this file since 4766 was 4766, checked in by ldelgass, 10 years ago
merge r4765 from trunk
File size: 87.5 KB

Line
1	# -- mode: tcl; indent-tabs-mode: nil --
2	# ----------------------------------------------------------------------
3	# COMPONENT: vtkglyphviewer - Vtk 3D glyphs object viewer
4	#
5	# It connects to the Vtk server running on a rendering farm,
6	# transmits data, and displays the results.
7	# ======================================================================
8	# AUTHOR: Michael McLennan, Purdue University
9	# Copyright (c) 2004-2014 HUBzero Foundation, LLC
10	#
11	# See the file "license.terms" for information on usage and
12	# redistribution of this file, and for a DISCLAIMER OF ALL WARRANTIES.
13	# ======================================================================
14	package require Itk
15	package require BLT
16	#package require Img
17
18	option add *VtkGlyphViewer.width 4i widgetDefault
19	option add VtkGlyphViewercursor crosshair widgetDefault
20	option add *VtkGlyphViewer.height 4i widgetDefault
21	option add *VtkGlyphViewer.foreground black widgetDefault
22	option add *VtkGlyphViewer.controlBackground gray widgetDefault
23	option add *VtkGlyphViewer.controlDarkBackground #999999 widgetDefault
24	option add *VtkGlyphViewer.plotBackground black widgetDefault
25	option add *VtkGlyphViewer.plotForeground white widgetDefault
26	option add *VtkGlyphViewer.font \
27	--helvetica-medium-r-normal--12-* widgetDefault
28
29	# must use this name -- plugs into Rappture::resources::load
30	proc VtkGlyphViewer_init_resources {} {
31	Rappture::resources::register \
32	vtkvis_server Rappture::VtkGlyphViewer::SetServerList
33	}
34
35	itcl::class Rappture::VtkGlyphViewer {
36	inherit Rappture::VisViewer
37
38	itk_option define -plotforeground plotForeground Foreground ""
39	itk_option define -plotbackground plotBackground Background ""
40
41	constructor { hostlist args } {
42	Rappture::VisViewer::constructor $hostlist
43	} {
44	# defined below
45	}
46	destructor {
47	# defined below
48	}
49	public proc SetServerList { namelist } {
50	Rappture::VisViewer::SetServerList "vtkvis" $namelist
51	}
52	public method add {dataobj {settings ""}}
53	public method camera {option args}
54	public method delete {args}
55	public method disconnect {}
56	public method download {option args}
57	public method get {args}
58	public method isconnected {}
59	public method parameters {title args} {
60	# do nothing
61	}
62	public method scale {args}
63
64	# The following methods are only used by this class.
65	private method AdjustSetting {what {value ""}}
66	private method BuildAxisTab {}
67	private method BuildCameraTab {}
68	private method BuildColormap { name }
69	private method BuildCutplaneTab {}
70	private method BuildDownloadPopup { widget command }
71	private method BuildGlyphTab {}
72	private method DrawLegend {}
73	private method Combo { option }
74	private method Connect {}
75	private method CurrentDatasets {args}
76	private method Disconnect {}
77	private method DoResize {}
78	private method DoRotate {}
79	private method EnterLegend { x y }
80	private method EventuallyResize { w h }
81	private method EventuallyRotate { q }
82	private method EventuallyRequestLegend {}
83	private method EventuallySetCutplane { axis args }
84	private method GetImage { args }
85	private method GetVtkData { args }
86	private method InitSettings { args }
87	private method IsValidObject { dataobj }
88	private method LeaveLegend {}
89	private method MotionLegend { x y }
90	private method Pan {option x y}
91	private method PanCamera {}
92	private method Pick {x y}
93	private method QuaternionToView { q } {
94	foreach { _view(-qw) _view(-qx) _view(-qy) _view(-qz) } $q break
95	}
96	private method Rebuild {}
97	private method ReceiveDataset { args }
98	private method ReceiveImage { args }
99	private method ReceiveLegend { colormap title vmin vmax size }
100	private method RequestLegend {}
101	private method Rotate {option x y}
102	private method SetLegendTip { x y }
103	private method SetObjectStyle { dataobj comp }
104	private method Slice {option args}
105	private method SetCurrentColormap { color }
106	private method SetOrientation { side }
107	private method ViewToQuaternion {} {
108	return [list $_view(-qw) $_view(-qx) $_view(-qy) $_view(-qz)]
109	}
110	private method Zoom {option}
111
112	private variable _arcball ""
113
114	private variable _dlist "" ; # list of data objects
115	private variable _obj2datasets
116	private variable _obj2ovride ; # maps dataobj => style override
117	private variable _datasets ; # contains all the dataobj-component
118	; # datasets in the server
119	private variable _colormaps ; # contains all the colormaps
120	; # in the server.
121	# The name of the current colormap used. The colormap is global to all
122	# heightmaps displayed.
123	private variable _currentColormap ""
124
125	private variable _dataset2style ;# maps dataobj-component to transfunc
126
127	private variable _click ; # info used for rotate operations
128	private variable _limits ; # autoscale min/max for all axes
129	private variable _view ; # view params for 3D view
130	private variable _settings
131	private variable _style; # Array of current component styles.
132	private variable _changed
133	private variable _initialStyle; # Array of initial component styles.
134	private variable _reset 1; # indicates if camera needs to be reset
135	# to starting position.
136
137	private variable _first "" ; # This is the topmost dataset.
138	private variable _start 0
139	private variable _title ""
140
141	common _downloadPopup; # download options from popup
142	private common _hardcopy
143	private variable _width 0
144	private variable _height 0
145	private variable _resizePending 0
146	private variable _rotatePending 0
147	private variable _cutplanePending 0
148	private variable _legendPending 0
149	private variable _field ""
150	private variable _colorMode "vmag"; # Mode of colormap (vmag or scalar)
151	private variable _fieldNames {}
152	private variable _fields
153	private variable _curFldName ""
154	private variable _curFldLabel ""
155	}
156
157	itk::usual VtkGlyphViewer {
158	keep -background -foreground -cursor -font
159	keep -plotbackground -plotforeground
160	}
161
162	# ----------------------------------------------------------------------
163	# CONSTRUCTOR
164	# ----------------------------------------------------------------------
165	itcl::body Rappture::VtkGlyphViewer::constructor {hostlist args} {
166	package require vtk
167	set _serverType "vtkvis"
168
169	# Rebuild event
170	$_dispatcher register !rebuild
171	$_dispatcher dispatch $this !rebuild "[itcl::code $this Rebuild]; list"
172
173	# Resize event
174	$_dispatcher register !resize
175	$_dispatcher dispatch $this !resize "[itcl::code $this DoResize]; list"
176
177	# Rotate event
178	$_dispatcher register !rotate
179	$_dispatcher dispatch $this !rotate "[itcl::code $this DoRotate]; list"
180
181	# Legend event
182	$_dispatcher register !legend
183	$_dispatcher dispatch $this !legend "[itcl::code $this RequestLegend]; list"
184
185	# X-Cutplane event
186	$_dispatcher register !xcutplane
187	$_dispatcher dispatch $this !xcutplane \
188	"[itcl::code $this AdjustSetting -cutplanexposition]; list"
189
190	# Y-Cutplane event
191	$_dispatcher register !ycutplane
192	$_dispatcher dispatch $this !ycutplane \
193	"[itcl::code $this AdjustSetting -cutplaneyposition]; list"
194
195	# Z-Cutplane event
196	$_dispatcher register !zcutplane
197	$_dispatcher dispatch $this !zcutplane \
198	"[itcl::code $this AdjustSetting -cutplanezposition]; list"
199
200	#
201	# Populate parser with commands handle incoming requests
202	#
203	$_parser alias image [itcl::code $this ReceiveImage]
204	$_parser alias dataset [itcl::code $this ReceiveDataset]
205	$_parser alias legend [itcl::code $this ReceiveLegend]
206
207	# Initialize the view to some default parameters.
208	array set _view {
209	-ortho 0
210	-qw 0.853553
211	-qx -0.353553
212	-qy 0.353553
213	-qz 0.146447
214	-xpan 0
215	-ypan 0
216	-zoom 1.0
217	}
218	set _arcball [blt::arcball create 100 100]
219	$_arcball quaternion [ViewToQuaternion]
220
221	array set _settings [subst {
222	-axesvisible 1
223	-axislabels 1
224	-axisminorticks 1
225	-axismode "static"
226	-background black
227	-colormap BCGYR
228	-colormapvisible 1
229	-cutplaneedges 0
230	-cutplanelighting 1
231	-cutplanepreinterp 1
232	-cutplaneopacity 100
233	-cutplanevisible 0
234	-cutplanewireframe 0
235	-cutplanexposition 50
236	-cutplanexvisible 1
237	-cutplaneyposition 50
238	-cutplaneyvisible 1
239	-cutplanezposition 50
240	-cutplanezvisible 1
241	-field "Default"
242	-glyphedges 0
243	-glyphlighting 1
244	-glyphnormscale 1
245	-glyphopacity 100
246	-glyphorient 1
247	-glyphoutline 0
248	-glyphscale 1
249	-glyphscalemode "vmag"
250	-glyphshape "arrow"
251	-glyphvisible 1
252	-glyphwireframe 0
253	-legendvisible 1
254	-saveglyphopacity 100
255	-xgrid 0
256	-ygrid 0
257	-zgrid 0
258	}]
259	array set _changed {
260	-colormap 0
261	-glyphopacity 0
262	}
263
264	itk_component add view {
265	canvas $itk_component(plotarea).view \
266	-highlightthickness 0 -borderwidth 0
267	} {
268	usual
269	ignore -highlightthickness -borderwidth -background
270	}
271
272	itk_component add fieldmenu {
273	menu $itk_component(plotarea).menu -bg black -fg white -relief flat \
274	-tearoff no
275	} {
276	usual
277	ignore -background -foreground -relief -tearoff
278	}
279	set c $itk_component(view)
280	bind $c <Configure> [itcl::code $this EventuallyResize %w %h]
281	bind $c <4> [itcl::code $this Zoom in 0.25]
282	bind $c <5> [itcl::code $this Zoom out 0.25]
283	bind $c <KeyPress-Left> [list %W xview scroll 10 units]
284	bind $c <KeyPress-Right> [list %W xview scroll -10 units]
285	bind $c <KeyPress-Up> [list %W yview scroll 10 units]
286	bind $c <KeyPress-Down> [list %W yview scroll -10 units]
287	bind $c <Enter> "focus %W"
288	bind $c <Control-F1> [itcl::code $this ToggleConsole]
289
290	# Fix the scrollregion in case we go off screen
291	$c configure -scrollregion [$c bbox all]
292
293	set _map(id) [$c create image 0 0 -anchor nw -image $_image(plot)]
294	set _map(cwidth) -1
295	set _map(cheight) -1
296	set _map(zoom) 1.0
297	set _map(original) ""
298
299	set f [$itk_component(main) component controls]
300	itk_component add reset {
301	button $f.reset -borderwidth 1 -padx 1 -pady 1 \
302	-highlightthickness 0 \
303	-image [Rappture::icon reset-view] \
304	-command [itcl::code $this Zoom reset]
305	} {
306	usual
307	ignore -highlightthickness
308	}
309	pack $itk_component(reset) -side top -padx 2 -pady 2
310	Rappture::Tooltip::for $itk_component(reset) \
311	"Reset the view to the default zoom level"
312
313	itk_component add zoomin {
314	button $f.zin -borderwidth 1 -padx 1 -pady 1 \
315	-highlightthickness 0 \
316	-image [Rappture::icon zoom-in] \
317	-command [itcl::code $this Zoom in]
318	} {
319	usual
320	ignore -highlightthickness
321	}
322	pack $itk_component(zoomin) -side top -padx 2 -pady 2
323	Rappture::Tooltip::for $itk_component(zoomin) "Zoom in"
324
325	itk_component add zoomout {
326	button $f.zout -borderwidth 1 -padx 1 -pady 1 \
327	-highlightthickness 0 \
328	-image [Rappture::icon zoom-out] \
329	-command [itcl::code $this Zoom out]
330	} {
331	usual
332	ignore -highlightthickness
333	}
334	pack $itk_component(zoomout) -side top -padx 2 -pady 2
335	Rappture::Tooltip::for $itk_component(zoomout) "Zoom out"
336
337	itk_component add glyphs {
338	Rappture::PushButton $f.glyphs \
339	-onimage [Rappture::icon volume-on] \
340	-offimage [Rappture::icon volume-off] \
341	-variable [itcl::scope _settings(-glyphvisible)] \
342	-command [itcl::code $this AdjustSetting -glyphvisible]
343	}
344	$itk_component(glyphs) select
345	Rappture::Tooltip::for $itk_component(glyphs) \
346	"Don't display the glyphs"
347	pack $itk_component(glyphs) -padx 2 -pady 2
348
349	if {0} {
350	itk_component add cutplane {
351	Rappture::PushButton $f.cutplane \
352	-onimage [Rappture::icon cutbutton] \
353	-offimage [Rappture::icon cutbutton] \
354	-variable [itcl::scope _settings(-cutplanevisible)] \
355	-command [itcl::code $this AdjustSetting -cutplanevisible]
356	}
357	Rappture::Tooltip::for $itk_component(cutplane) \
358	"Show/Hide cutplanes"
359	pack $itk_component(cutplane) -padx 2 -pady 2
360	}
361
362	if { [catch {
363	BuildGlyphTab
364	#BuildCutplaneTab
365	BuildAxisTab
366	BuildCameraTab
367	} errs] != 0 } {
368	puts stderr errs=$errs
369	}
370	# Legend
371
372	set _image(legend) [image create photo]
373	itk_component add legend {
374	canvas $itk_component(plotarea).legend -width 50 -highlightthickness 0
375	} {
376	usual
377	ignore -highlightthickness
378	rename -background -plotbackground plotBackground Background
379	}
380
381	# Hack around the Tk panewindow. The problem is that the requested
382	# size of the 3d view isn't set until an image is retrieved from
383	# the server. So the panewindow uses the tiny size.
384	set w 10000
385	pack forget $itk_component(view)
386	blt::table $itk_component(plotarea) \
387	0,0 $itk_component(view) -fill both -reqwidth $w
388	blt::table configure $itk_component(plotarea) c1 -resize none
389
390	# Bindings for rotation via mouse
391	bind $itk_component(view) <ButtonPress-1> \
392	[itcl::code $this Rotate click %x %y]
393	bind $itk_component(view) <B1-Motion> \
394	[itcl::code $this Rotate drag %x %y]
395	bind $itk_component(view) <ButtonRelease-1> \
396	[itcl::code $this Rotate release %x %y]
397
398	# Bindings for panning via mouse
399	bind $itk_component(view) <ButtonPress-2> \
400	[itcl::code $this Pan click %x %y]
401	bind $itk_component(view) <B2-Motion> \
402	[itcl::code $this Pan drag %x %y]
403	bind $itk_component(view) <ButtonRelease-2> \
404	[itcl::code $this Pan release %x %y]
405
406	#bind $itk_component(view) <ButtonRelease-3> \
407	# [itcl::code $this Pick %x %y]
408
409	# Bindings for panning via keyboard
410	bind $itk_component(view) <KeyPress-Left> \
411	[itcl::code $this Pan set -10 0]
412	bind $itk_component(view) <KeyPress-Right> \
413	[itcl::code $this Pan set 10 0]
414	bind $itk_component(view) <KeyPress-Up> \
415	[itcl::code $this Pan set 0 -10]
416	bind $itk_component(view) <KeyPress-Down> \
417	[itcl::code $this Pan set 0 10]
418	bind $itk_component(view) <Shift-KeyPress-Left> \
419	[itcl::code $this Pan set -2 0]
420	bind $itk_component(view) <Shift-KeyPress-Right> \
421	[itcl::code $this Pan set 2 0]
422	bind $itk_component(view) <Shift-KeyPress-Up> \
423	[itcl::code $this Pan set 0 -2]
424	bind $itk_component(view) <Shift-KeyPress-Down> \
425	[itcl::code $this Pan set 0 2]
426
427	# Bindings for zoom via keyboard
428	bind $itk_component(view) <KeyPress-Prior> \
429	[itcl::code $this Zoom out]
430	bind $itk_component(view) <KeyPress-Next> \
431	[itcl::code $this Zoom in]
432
433	bind $itk_component(view) <Enter> "focus $itk_component(view)"
434
435	if {[string equal "x11" [tk windowingsystem]]} {
436	# Bindings for zoom via mouse
437	bind $itk_component(view) <4> [itcl::code $this Zoom out]
438	bind $itk_component(view) <5> [itcl::code $this Zoom in]
439	}
440
441	set _image(download) [image create photo]
442
443	eval itk_initialize $args
444	Connect
445	}
446
447	# ----------------------------------------------------------------------
448	# DESTRUCTOR
449	# ----------------------------------------------------------------------
450	itcl::body Rappture::VtkGlyphViewer::destructor {} {
451	Disconnect
452	image delete $_image(plot)
453	image delete $_image(download)
454	catch { blt::arcball destroy $_arcball }
455	}
456
457	itcl::body Rappture::VtkGlyphViewer::DoResize {} {
458	if { $_width < 2 } {
459	set _width 500
460	}
461	if { $_height < 2 } {
462	set _height 500
463	}
464	set _start [clock clicks -milliseconds]
465	SendCmd "screen size $_width $_height"
466
467	EventuallyRequestLegend
468	set _resizePending 0
469	}
470
471	itcl::body Rappture::VtkGlyphViewer::DoRotate {} {
472	SendCmd "camera orient [ViewToQuaternion]"
473	set _rotatePending 0
474	}
475
476	itcl::body Rappture::VtkGlyphViewer::EventuallyRequestLegend {} {
477	if { !$_legendPending } {
478	set _legendPending 1
479	$_dispatcher event -idle !legend
480	}
481	}
482
483	itcl::body Rappture::VtkGlyphViewer::EventuallyResize { w h } {
484	set _width $w
485	set _height $h
486	$_arcball resize $w $h
487	if { !$_resizePending } {
488	set _resizePending 1
489	$_dispatcher event -after 400 !resize
490	}
491	}
492
493	set rotate_delay 100
494
495	itcl::body Rappture::VtkGlyphViewer::EventuallyRotate { q } {
496	QuaternionToView $q
497	if { !$_rotatePending } {
498	set _rotatePending 1
499	global rotate_delay
500	$_dispatcher event -after $rotate_delay !rotate
501	}
502	}
503
504	itcl::body Rappture::VtkGlyphViewer::EventuallySetCutplane { axis args } {
505	if { !$_cutplanePending } {
506	set _cutplanePending 1
507	$_dispatcher event -after 100 !${axis}cutplane
508	}
509	}
510
511	# ----------------------------------------------------------------------
512	# USAGE: add <dataobj> ?<settings>?
513	#
514	# Clients use this to add a data object to the plot. The optional
515	# <settings> are used to configure the plot. Allowed settings are
516	# -color, -brightness, -width, -linestyle, and -raise.
517	# ----------------------------------------------------------------------
518	itcl::body Rappture::VtkGlyphViewer::add {dataobj {settings ""}} {
519	if { ![$dataobj isvalid] } {
520	return; # Object doesn't contain valid data.
521	}
522	array set params {
523	-color auto
524	-width 1
525	-linestyle solid
526	-brightness 0
527	-raise 0
528	-description ""
529	-param ""
530	-type ""
531	}
532	array set params $settings
533	set params(-description) ""
534	set params(-param) ""
535	array set params $settings
536
537	if {$params(-color) == "auto" \|\| $params(-color) == "autoreset"} {
538	# can't handle -autocolors yet
539	set params(-color) black
540	}
541	set pos [lsearch -exact $_dlist $dataobj]
542	if {$pos < 0} {
543	lappend _dlist $dataobj
544	}
545	set _obj2ovride($dataobj-color) $params(-color)
546	set _obj2ovride($dataobj-width) $params(-width)
547	set _obj2ovride($dataobj-raise) $params(-raise)
548	$_dispatcher event -idle !rebuild
549	}
550
551	# ----------------------------------------------------------------------
552	# USAGE: delete ?<dataobj1> <dataobj2> ...?
553	#
554	# Clients use this to delete a dataobj from the plot. If no dataobjs
555	# are specified, then all dataobjs are deleted. No data objects are
556	# deleted. They are only removed from the display list.
557	#
558	# ----------------------------------------------------------------------
559	itcl::body Rappture::VtkGlyphViewer::delete {args} {
560	if { [llength $args] == 0} {
561	set args $_dlist
562	}
563	# Delete all specified dataobjs
564	set changed 0
565	foreach dataobj $args {
566	set pos [lsearch -exact $_dlist $dataobj]
567	if { $pos < 0 } {
568	continue; # Don't know anything about it.
569	}
570	# Remove it from the dataobj list.
571	set _dlist [lreplace $_dlist $pos $pos]
572	array unset _obj2ovride $dataobj-*
573	array unset _settings $dataobj-*
574	set changed 1
575	}
576	# If anything changed, then rebuild the plot
577	if { $changed } {
578	$_dispatcher event -idle !rebuild
579	}
580	}
581
582	# ----------------------------------------------------------------------
583	# USAGE: get ?-objects?
584	# USAGE: get ?-visible?
585	# USAGE: get ?-image view?
586	#
587	# Clients use this to query the list of objects being plotted, in
588	# order from bottom to top of this result. The optional "-image"
589	# flag can also request the internal images being shown.
590	# ----------------------------------------------------------------------
591	itcl::body Rappture::VtkGlyphViewer::get {args} {
592	if {[llength $args] == 0} {
593	set args "-objects"
594	}
595
596	set op [lindex $args 0]
597	switch -- $op {
598	"-objects" {
599	# put the dataobj list in order according to -raise options
600	set dlist {}
601	foreach dataobj $_dlist {
602	if { ![IsValidObject $dataobj] } {
603	continue
604	}
605	if {[info exists _obj2ovride($dataobj-raise)] &&
606	$_obj2ovride($dataobj-raise)} {
607	set dlist [linsert $dlist 0 $dataobj]
608	} else {
609	lappend dlist $dataobj
610	}
611	}
612	return $dlist
613	}
614	"-visible" {
615	set dlist {}
616	foreach dataobj $_dlist {
617	if { ![IsValidObject $dataobj] } {
618	continue
619	}
620	if { ![info exists _obj2ovride($dataobj-raise)] } {
621	# No setting indicates that the object isn't visible.
622	continue
623	}
624	# Otherwise use the -raise parameter to put the object to
625	# the front of the list.
626	if { $_obj2ovride($dataobj-raise) } {
627	set dlist [linsert $dlist 0 $dataobj]
628	} else {
629	lappend dlist $dataobj
630	}
631	}
632	return $dlist
633	}
634	-image {
635	if {[llength $args] != 2} {
636	error "wrong # args: should be \"get -image view\""
637	}
638	switch -- [lindex $args end] {
639	view {
640	return $_image(plot)
641	}
642	default {
643	error "bad image name \"[lindex $args end]\": should be view"
644	}
645	}
646	}
647	default {
648	error "bad option \"$op\": should be -objects or -image"
649	}
650	}
651	}
652
653	# ----------------------------------------------------------------------
654	# USAGE: scale ?<data1> <data2> ...?
655	#
656	# Sets the default limits for the overall plot according to the
657	# limits of the data for all of the given <data> objects. This
658	# accounts for all objects--even those not showing on the screen.
659	# Because of this, the limits are appropriate for all objects as
660	# the user scans through data in the ResultSet viewer.
661	# ----------------------------------------------------------------------
662	itcl::body Rappture::VtkGlyphViewer::scale { args } {
663	foreach dataobj $args {
664	if { ![$dataobj isvalid] } {
665	continue; # Object doesn't contain valid data.
666	}
667	foreach axis { x y z } {
668	set lim [$dataobj limits $axis]
669	if { ![info exists _limits($axis)] } {
670	set _limits($axis) $lim
671	continue
672	}
673	foreach {min max} $lim break
674	foreach {amin amax} $_limits($axis) break
675	if { $amin > $min } {
676	set amin $min
677	}
678	if { $amax < $max } {
679	set amax $max
680	}
681	set _limits($axis) [list $amin $amax]
682	}
683	foreach { fname lim } [$dataobj fieldlimits] {
684	if { ![info exists _limits($fname)] } {
685	set _limits($fname) $lim
686	continue
687	}
688	foreach {min max} $lim break
689	foreach {fmin fmax} $_limits($fname) break
690	if { $fmin > $min } {
691	set fmin $min
692	}
693	if { $fmax < $max } {
694	set fmax $max
695	}
696	set _limits($fname) [list $fmin $fmax]
697	}
698	}
699	}
700
701	# ----------------------------------------------------------------------
702	# USAGE: download coming
703	# USAGE: download controls <downloadCommand>
704	# USAGE: download now
705	#
706	# Clients use this method to create a downloadable representation
707	# of the plot. Returns a list of the form {ext string}, where
708	# "ext" is the file extension (indicating the type of data) and
709	# "string" is the data itself.
710	# ----------------------------------------------------------------------
711	itcl::body Rappture::VtkGlyphViewer::download {option args} {
712	switch $option {
713	coming {
714	if {[catch {
715	blt::winop snap $itk_component(plotarea) $_image(download)
716	}]} {
717	$_image(download) configure -width 1 -height 1
718	$_image(download) put #000000
719	}
720	}
721	controls {
722	set popup .vtkviewerdownload
723	if { ![winfo exists .vtkviewerdownload] } {
724	set inner [BuildDownloadPopup $popup [lindex $args 0]]
725	} else {
726	set inner [$popup component inner]
727	}
728	set _downloadPopup(image_controls) $inner.image_frame
729	set num [llength [get]]
730	set num [expr {($num == 1) ? "1 result" : "$num results"}]
731	set word [Rappture::filexfer::label downloadWord]
732	$inner.summary configure -text "$word $num in the following format:"
733	update idletasks ;# Fix initial sizes
734	return $popup
735	}
736	now {
737	set popup .vtkviewerdownload
738	if {[winfo exists .vtkviewerdownload]} {
739	$popup deactivate
740	}
741	switch -- $_downloadPopup(format) {
742	"image" {
743	return [$this GetImage [lindex $args 0]]
744	}
745	"vtk" {
746	return [$this GetVtkData [lindex $args 0]]
747	}
748	}
749	return ""
750	}
751	default {
752	error "bad option \"$option\": should be coming, controls, now"
753	}
754	}
755	}
756
757	# ----------------------------------------------------------------------
758	# USAGE: Connect ?<host:port>,<host:port>...?
759	#
760	# Clients use this method to establish a connection to a new
761	# server, or to reestablish a connection to the previous server.
762	# Any existing connection is automatically closed.
763	# ----------------------------------------------------------------------
764	itcl::body Rappture::VtkGlyphViewer::Connect {} {
765	set _hosts [GetServerList "vtkvis"]
766	if { "" == $_hosts } {
767	return 0
768	}
769	set result [VisViewer::Connect $_hosts]
770	if { $result } {
771	if { $_reportClientInfo } {
772	# Tell the server the viewer, hub, user and session.
773	# Do this immediately on connect before buffering any commands
774	global env
775
776	set info {}
777	set user "???"
778	if { [info exists env(USER)] } {
779	set user $env(USER)
780	}
781	set session "???"
782	if { [info exists env(SESSION)] } {
783	set session $env(SESSION)
784	}
785	lappend info "version" "$Rappture::version"
786	lappend info "build" "$Rappture::build"
787	lappend info "svnurl" "$Rappture::svnurl"
788	lappend info "installdir" "$Rappture::installdir"
789	lappend info "hub" [exec hostname]
790	lappend info "client" "vtkglyphviewer"
791	lappend info "user" $user
792	lappend info "session" $session
793	SendCmd "clientinfo [list $info]"
794	}
795
796	set w [winfo width $itk_component(view)]
797	set h [winfo height $itk_component(view)]
798	EventuallyResize $w $h
799	}
800	return $result
801	}
802
803	#
804	# isconnected --
805	#
806	# Indicates if we are currently connected to the visualization server.
807	#
808	itcl::body Rappture::VtkGlyphViewer::isconnected {} {
809	return [VisViewer::IsConnected]
810	}
811
812	#
813	# disconnect --
814	#
815	itcl::body Rappture::VtkGlyphViewer::disconnect {} {
816	Disconnect
817	set _reset 1
818	}
819
820	#
821	# Disconnect --
822	#
823	# Clients use this method to disconnect from the current rendering
824	# server.
825	#
826	itcl::body Rappture::VtkGlyphViewer::Disconnect {} {
827	VisViewer::Disconnect
828
829	$_dispatcher cancel !rebuild
830	$_dispatcher cancel !resize
831	$_dispatcher cancel !rotate
832	$_dispatcher cancel !xcutplane
833	$_dispatcher cancel !ycutplane
834	$_dispatcher cancel !zcutplane
835	$_dispatcher cancel !legend
836	# disconnected -- no more data sitting on server
837	set _outbuf ""
838	array unset _datasets
839	array unset _data
840	array unset _colormaps
841	array unset _dataset2style
842	array unset _obj2datasets
843	}
844
845	# ----------------------------------------------------------------------
846	# USAGE: ReceiveImage -bytes <size> -type <type> -token <token>
847	#
848	# Invoked automatically whenever the "image" command comes in from
849	# the rendering server. Indicates that binary image data with the
850	# specified <size> will follow.
851	# ----------------------------------------------------------------------
852	itcl::body Rappture::VtkGlyphViewer::ReceiveImage { args } {
853	array set info {
854	-token "???"
855	-bytes 0
856	-type image
857	}
858	array set info $args
859	set bytes [ReceiveBytes $info(-bytes)]
860	if { $info(-type) == "image" } {
861	if 0 {
862	set f [open "last.ppm" "w"]
863	puts $f $bytes
864	close $f
865	}
866	$_image(plot) configure -data $bytes
867	set time [clock seconds]
868	set date [clock format $time]
869	#puts stderr "$date: received image [image width $_image(plot)]x[image height $_image(plot)] image>"
870	if { $_start > 0 } {
871	set finish [clock clicks -milliseconds]
872	#puts stderr "round trip time [expr $finish -$_start] milliseconds"
873	set _start 0
874	}
875	} elseif { $info(type) == "print" } {
876	set tag $this-print-$info(-token)
877	set _hardcopy($tag) $bytes
878	}
879	}
880
881	#
882	# ReceiveDataset --
883	#
884	itcl::body Rappture::VtkGlyphViewer::ReceiveDataset { args } {
885	if { ![isconnected] } {
886	return
887	}
888	set option [lindex $args 0]
889	switch -- $option {
890	"scalar" {
891	set option [lindex $args 1]
892	switch -- $option {
893	"world" {
894	foreach { x y z value tag } [lrange $args 2 end] break
895	}
896	"pixel" {
897	foreach { x y value tag } [lrange $args 2 end] break
898	}
899	}
900	}
901	"vector" {
902	set option [lindex $args 1]
903	switch -- $option {
904	"world" {
905	foreach { x y z vx vy vz tag } [lrange $args 2 end] break
906	}
907	"pixel" {
908	foreach { x y vx vy vz tag } [lrange $args 2 end] break
909	}
910	}
911	}
912	"names" {
913	foreach { name } [lindex $args 1] {
914	#puts stderr "Dataset: $name"
915	}
916	}
917	default {
918	error "unknown dataset option \"$option\" from server"
919	}
920	}
921	}
922
923	# ----------------------------------------------------------------------
924	# USAGE: Rebuild
925	#
926	# Called automatically whenever something changes that affects the
927	# data in the widget. Clears any existing data and rebuilds the
928	# widget to display new data.
929	# ----------------------------------------------------------------------
930	itcl::body Rappture::VtkGlyphViewer::Rebuild {} {
931	set w [winfo width $itk_component(view)]
932	set h [winfo height $itk_component(view)]
933	if { $w < 2 \|\| $h < 2 } {
934	$_dispatcher event -idle !rebuild
935	return
936	}
937
938	# Turn on buffering of commands to the server. We don't want to
939	# be preempted by a server disconnect/reconnect (which automatically
940	# generates a new call to Rebuild).
941	StartBufferingCommands
942
943	if { $_reset } {
944	set _width $w
945	set _height $h
946	$_arcball resize $w $h
947	DoResize
948	#
949	# Reset the camera and other view parameters
950	#
951	$_arcball quaternion [ViewToQuaternion]
952	if {$_view(-ortho)} {
953	SendCmd "camera mode ortho"
954	} else {
955	SendCmd "camera mode persp"
956	}
957	DoRotate
958	PanCamera
959	set _first ""
960	InitSettings -xgrid -ygrid -zgrid -axismode \
961	-axesvisible -axislabels -axisminorticks
962	#SendCmd "axis lformat all %g"
963	StopBufferingCommands
964	SendCmd "imgflush"
965	StartBufferingCommands
966	}
967	set _first ""
968	SendCmd "dataset visible 0"
969	foreach dataobj [get -objects] {
970	if { [info exists _obj2ovride($dataobj-raise)] && $_first == "" } {
971	set _first $dataobj
972	}
973	set _obj2datasets($dataobj) ""
974	foreach comp [$dataobj components] {
975	set tag $dataobj-$comp
976	if { ![info exists _datasets($tag)] } {
977	set bytes [$dataobj vtkdata $comp]
978	if 0 {
979	set f [open "/tmp/glyph.vtk" "w"]
980	puts $f $bytes
981	close $f
982	}
983	set length [string length $bytes]
984	if { $_reportClientInfo } {
985	set info {}
986	lappend info "tool_id" [$dataobj hints toolid]
987	lappend info "tool_name" [$dataobj hints toolname]
988	lappend info "tool_title" [$dataobj hints tooltitle]
989	lappend info "tool_command" [$dataobj hints toolcommand]
990	lappend info "tool_revision" [$dataobj hints toolrevision]
991	lappend info "dataset_label" [$dataobj hints label]
992	lappend info "dataset_size" $length
993	lappend info "dataset_tag" $tag
994	SendCmd "clientinfo [list $info]"
995	}
996	SendCmd "dataset add $tag data follows $length"
997	append _outbuf $bytes
998	set _datasets($tag) 1
999	SetObjectStyle $dataobj $comp
1000	}
1001	lappend _obj2datasets($dataobj) $tag
1002	if { [info exists _obj2ovride($dataobj-raise)] } {
1003	# Setting dataset visible enables outline
1004	# and glyphs
1005	SendCmd "dataset visible 1 $tag"
1006	}
1007	}
1008	}
1009
1010	if { $_first != "" } {
1011	$itk_component(field) choices delete 0 end
1012	$itk_component(fieldmenu) delete 0 end
1013	array unset _fields
1014	set _curFldName ""
1015	foreach cname [$_first components] {
1016	foreach fname [$_first fieldnames $cname] {
1017	if { [info exists _fields($fname)] } {
1018	continue
1019	}
1020	foreach { label units components } \
1021	[$_first fieldinfo $fname] break
1022	$itk_component(field) choices insert end "$fname" "$label"
1023	$itk_component(fieldmenu) add radiobutton -label "$label" \
1024	-value $label -variable [itcl::scope _curFldLabel] \
1025	-selectcolor red \
1026	-activebackground $itk_option(-plotbackground) \
1027	-activeforeground $itk_option(-plotforeground) \
1028	-font "Arial 8" \
1029	-command [itcl::code $this Combo invoke]
1030	set _fields($fname) [list $label $units $components]
1031	if { $_curFldName == "" } {
1032	set _curFldName $fname
1033	set _curFldLabel $label
1034	}
1035	}
1036	}
1037	$itk_component(field) value $_curFldLabel
1038	}
1039	InitSettings -glyphoutline
1040	#-cutplanevisible
1041	if { $_reset } {
1042	# These are settings that rely on a dataset being loaded.
1043	InitSettings \
1044	-field \
1045	-glyphedges -glyphlighting -glyphopacity \
1046	-glyphwireframe
1047
1048	#-cutplanexposition -cutplaneyposition -cutplanezposition \
1049	-cutplanexvisible -cutplaneyvisible -cutplanezvisible \
1050	-cutplanepreinterp
1051
1052	Zoom reset
1053	foreach axis { x y z } {
1054	# Another problem fixed by a <view>. We looking into a data
1055	# object for the name of the axes. This should be global to
1056	# the viewer itself.
1057	set label [$_first hints ${axis}label]
1058	if { $label == "" } {
1059	set label [string toupper $axis]
1060	}
1061	# May be a space in the axis label.
1062	SendCmd [list axis name $axis $label]
1063	}
1064	if { [array size _fields] < 2 } {
1065	catch {blt::table forget $itk_component(field) $itk_component(field_l)}
1066	}
1067	set _reset 0
1068	}
1069
1070	# Actually write the commands to the server socket. If it fails, we don't
1071	# care. We're finished here.
1072	blt::busy hold $itk_component(hull)
1073	StopBufferingCommands; # Turn off buffering and send commands.
1074	blt::busy release $itk_component(hull)
1075	}
1076
1077	# ----------------------------------------------------------------------
1078	# USAGE: CurrentDatasets ?-all -visible? ?dataobjs?
1079	#
1080	# Returns a list of server IDs for the current datasets being displayed. This
1081	# is normally a single ID, but it might be a list of IDs if the current data
1082	# object has multiple components.
1083	# ----------------------------------------------------------------------
1084	itcl::body Rappture::VtkGlyphViewer::CurrentDatasets {args} {
1085	set flag [lindex $args 0]
1086	switch -- $flag {
1087	"-all" {
1088	if { [llength $args] > 1 } {
1089	error "CurrentDatasets: can't specify dataobj after \"-all\""
1090	}
1091	set dlist [get -objects]
1092	}
1093	"-visible" {
1094	if { [llength $args] > 1 } {
1095	set dlist {}
1096	set args [lrange $args 1 end]
1097	foreach dataobj $args {
1098	if { [info exists _obj2ovride($dataobj-raise)] } {
1099	lappend dlist $dataobj
1100	}
1101	}
1102	} else {
1103	set dlist [get -visible]
1104	}
1105	}
1106	default {
1107	set dlist $args
1108	}
1109	}
1110	set rlist ""
1111	foreach dataobj $dlist {
1112	foreach comp [$dataobj components] {
1113	set tag $dataobj-$comp
1114	if { [info exists _datasets($tag)] && $_datasets($tag) } {
1115	lappend rlist $tag
1116	}
1117	}
1118	}
1119	return $rlist
1120	}
1121
1122	# ----------------------------------------------------------------------
1123	# USAGE: Zoom in
1124	# USAGE: Zoom out
1125	# USAGE: Zoom reset
1126	#
1127	# Called automatically when the user clicks on one of the zoom
1128	# controls for this widget. Changes the zoom for the current view.
1129	# ----------------------------------------------------------------------
1130	itcl::body Rappture::VtkGlyphViewer::Zoom {option} {
1131	switch -- $option {
1132	"in" {
1133	set _view(-zoom) [expr {$_view(-zoom)*1.25}]
1134	SendCmd "camera zoom $_view(-zoom)"
1135	}
1136	"out" {
1137	set _view(-zoom) [expr {$_view(-zoom)*0.8}]
1138	SendCmd "camera zoom $_view(-zoom)"
1139	}
1140	"reset" {
1141	array set _view {
1142	-qw 0.853553
1143	-qx -0.353553
1144	-qy 0.353553
1145	-qz 0.146447
1146	-xpan 0
1147	-ypan 0
1148	-zoom 1.0
1149	}
1150	if { $_first != "" } {
1151	set location [$_first hints camera]
1152	if { $location != "" } {
1153	array set _view $location
1154	}
1155	}
1156	$_arcball quaternion [ViewToQuaternion]
1157	DoRotate
1158	SendCmd "camera reset"
1159	}
1160	}
1161	}
1162
1163	itcl::body Rappture::VtkGlyphViewer::PanCamera {} {
1164	set x $_view(-xpan)
1165	set y $_view(-ypan)
1166	SendCmd "camera pan $x $y"
1167	}
1168
1169	# ----------------------------------------------------------------------
1170	# USAGE: Rotate click <x> <y>
1171	# USAGE: Rotate drag <x> <y>
1172	# USAGE: Rotate release <x> <y>
1173	#
1174	# Called automatically when the user clicks/drags/releases in the
1175	# plot area. Moves the plot according to the user's actions.
1176	# ----------------------------------------------------------------------
1177	itcl::body Rappture::VtkGlyphViewer::Rotate {option x y} {
1178	switch -- $option {
1179	"click" {
1180	$itk_component(view) configure -cursor fleur
1181	set _click(x) $x
1182	set _click(y) $y
1183	}
1184	"drag" {
1185	if {[array size _click] == 0} {
1186	Rotate click $x $y
1187	} else {
1188	set w [winfo width $itk_component(view)]
1189	set h [winfo height $itk_component(view)]
1190	if {$w <= 0 \|\| $h <= 0} {
1191	return
1192	}
1193
1194	if {[catch {
1195	# this fails sometimes for no apparent reason
1196	set dx [expr {double($x-$_click(x))/$w}]
1197	set dy [expr {double($y-$_click(y))/$h}]
1198	}]} {
1199	return
1200	}
1201	if { $dx == 0 && $dy == 0 } {
1202	return
1203	}
1204	set q [$_arcball rotate $x $y $_click(x) $_click(y)]
1205	EventuallyRotate $q
1206	set _click(x) $x
1207	set _click(y) $y
1208	}
1209	}
1210	"release" {
1211	Rotate drag $x $y
1212	$itk_component(view) configure -cursor ""
1213	catch {unset _click}
1214	}
1215	default {
1216	error "bad option \"$option\": should be click, drag, release"
1217	}
1218	}
1219	}
1220
1221	itcl::body Rappture::VtkGlyphViewer::Pick {x y} {
1222	foreach tag [CurrentDatasets -visible] {
1223	SendCmd "dataset getscalar pixel $x $y $tag"
1224	}
1225	}
1226
1227	# ----------------------------------------------------------------------
1228	# USAGE: $this Pan click x y
1229	# $this Pan drag x y
1230	# $this Pan release x y
1231	#
1232	# Called automatically when the user clicks on one of the zoom
1233	# controls for this widget. Changes the zoom for the current view.
1234	# ----------------------------------------------------------------------
1235	itcl::body Rappture::VtkGlyphViewer::Pan {option x y} {
1236	switch -- $option {
1237	"set" {
1238	set w [winfo width $itk_component(view)]
1239	set h [winfo height $itk_component(view)]
1240	set x [expr $x / double($w)]
1241	set y [expr $y / double($h)]
1242	set _view(-xpan) [expr $_view(-xpan) + $x]
1243	set _view(-ypan) [expr $_view(-ypan) + $y]
1244	PanCamera
1245	return
1246	}
1247	"click" {
1248	set _click(x) $x
1249	set _click(y) $y
1250	$itk_component(view) configure -cursor hand1
1251	}
1252	"drag" {
1253	if { ![info exists _click(x)] } {
1254	set _click(x) $x
1255	}
1256	if { ![info exists _click(y)] } {
1257	set _click(y) $y
1258	}
1259	set w [winfo width $itk_component(view)]
1260	set h [winfo height $itk_component(view)]
1261	set dx [expr ($_click(x) - $x)/double($w)]
1262	set dy [expr ($_click(y) - $y)/double($h)]
1263	set _click(x) $x
1264	set _click(y) $y
1265	set _view(-xpan) [expr $_view(-xpan) - $dx]
1266	set _view(-ypan) [expr $_view(-ypan) - $dy]
1267	PanCamera
1268	}
1269	"release" {
1270	Pan drag $x $y
1271	$itk_component(view) configure -cursor ""
1272	}
1273	default {
1274	error "unknown option \"$option\": should set, click, drag, or release"
1275	}
1276	}
1277	}
1278
1279	# ----------------------------------------------------------------------
1280	# USAGE: InitSettings <what> ?<value>?
1281	#
1282	# Used internally to update rendering settings whenever parameters
1283	# change in the popup settings panel. Sends the new settings off
1284	# to the back end.
1285	# ----------------------------------------------------------------------
1286	itcl::body Rappture::VtkGlyphViewer::InitSettings { args } {
1287	foreach spec $args {
1288	if { [info exists _settings($_first${spec})] } {
1289	# Reset global setting with dataobj specific setting
1290	set _settings($spec) $_settings($_first${spec})
1291	}
1292	AdjustSetting $spec
1293	}
1294	}
1295
1296	#
1297	# AdjustSetting --
1298	#
1299	# Changes/updates a specific setting in the widget. There are
1300	# usually user-setable option. Commands are sent to the render
1301	# server.
1302	#
1303	itcl::body Rappture::VtkGlyphViewer::AdjustSetting {what {value ""}} {
1304	if { ![isconnected] } {
1305	return
1306	}
1307	switch -- $what {
1308	"-background" {
1309	set bgcolor [$itk_component(background) value]
1310	array set fgcolors {
1311	"black" "white"
1312	"white" "black"
1313	"grey" "black"
1314	}
1315	configure -plotbackground $bgcolor \
1316	-plotforeground $fgcolors($bgcolor)
1317	$itk_component(view) delete "legend"
1318	DrawLegend
1319	}
1320	"-axesvisible" {
1321	set bool $_settings($what)
1322	SendCmd "axis visible all $bool"
1323	}
1324	"-axislabels" {
1325	set bool $_settings($what)
1326	SendCmd "axis labels all $bool"
1327	}
1328	"-axisminorticks" {
1329	set bool $_settings($what)
1330	SendCmd "axis minticks all $bool"
1331	}
1332	"-xgrid" - "-ygrid" - "-zgrid" {
1333	set axis [string tolower [string range $what 1 1]]
1334	set bool $_settings($what)
1335	SendCmd "axis grid $axis $bool"
1336	}
1337	"-axismode" {
1338	set mode [$itk_component(axisMode) value]
1339	set mode [$itk_component(axisMode) translate $mode]
1340	set _settings($what) $mode
1341	SendCmd "axis flymode $mode"
1342	}
1343	"-cutplaneedges" {
1344	set bool $_settings($what)
1345	SendCmd "cutplane edges $bool"
1346	}
1347	"-cutplanevisible" {
1348	set bool $_settings($what)
1349	SendCmd "cutplane visible 0"
1350	if { $bool } {
1351	foreach tag [CurrentDatasets -visible] {
1352	SendCmd "cutplane visible $bool $tag"
1353	}
1354	}
1355	}
1356	"-cutplanewireframe" {
1357	set bool $_settings($what)
1358	SendCmd "cutplane wireframe $bool"
1359	}
1360	"-cutplanelighting" {
1361	set bool $_settings($what)
1362	SendCmd "cutplane lighting $bool"
1363	}
1364	"-cutplaneopacity" {
1365	set val $_settings($what)
1366	set sval [expr { 0.01 * double($val) }]
1367	SendCmd "cutplane opacity $sval"
1368	}
1369	"-cutplanepreinterp" {
1370	set bool $_settings($what)
1371	SendCmd "cutplane preinterp $bool"
1372	}
1373	"-cutplanexvisible" - "-cutplaneyvisible" - "-cutplanezvisible" {
1374	set axis [string tolower [string range $what 9 9]]
1375	set bool $_settings($what)
1376	if { $bool } {
1377	$itk_component(${axis}position) configure -state normal \
1378	-troughcolor white
1379	} else {
1380	$itk_component(${axis}position) configure -state disabled \
1381	-troughcolor grey82
1382	}
1383	SendCmd "cutplane axis $axis $bool"
1384	}
1385	"-cutplanexposition" - "-cutplaneyposition" - "-cutplanezposition" {
1386	set axis [string tolower [string range $what 9 9]]
1387	set pos [expr $_settings($what) * 0.01]
1388	SendCmd "cutplane slice ${axis} ${pos}"
1389	set _cutplanePending 0
1390	}
1391	"-colormap" {
1392	set _changed($what) 1
1393	StartBufferingCommands
1394	set color [$itk_component(colormap) value]
1395	set _settings($what) $color
1396	if { $color == "none" } {
1397	if { $_settings(-colormapvisible) } {
1398	SendCmd "glyphs colormode constant {}"
1399	set _settings(-colormapvisible) 0
1400	}
1401	} else {
1402	if { !$_settings(-colormapvisible) } {
1403	SendCmd "glyphs colormode $_colorMode $_curFldName"
1404	set _settings(-colormapvisible) 1
1405	}
1406	SetCurrentColormap $color
1407	}
1408	StopBufferingCommands
1409	EventuallyRequestLegend
1410	}
1411	"-glyphwireframe" {
1412	set bool $_settings($what)
1413	SendCmd "glyphs wireframe $bool"
1414	}
1415	"-glyphvisible" {
1416	set bool $_settings($what)
1417	SendCmd "glyphs visible 0"
1418	if { $bool } {
1419	foreach tag [CurrentDatasets -visible] {
1420	SendCmd "glyphs visible $bool $tag"
1421	}
1422	}
1423	if { $bool } {
1424	Rappture::Tooltip::for $itk_component(glyphs) \
1425	"Hide the glyph"
1426	} else {
1427	Rappture::Tooltip::for $itk_component(glyphs) \
1428	"Show the glyph"
1429	}
1430	DrawLegend
1431	}
1432	"-glyphlighting" {
1433	set bool $_settings($what)
1434	SendCmd "glyphs lighting $bool"
1435	}
1436	"-glyphedges" {
1437	set bool $_settings($what)
1438	SendCmd "glyphs edges $bool"
1439	}
1440	"-glyphoutline" {
1441	set bool $_settings($what)
1442	SendCmd "outline visible 0"
1443	if { $bool } {
1444	foreach tag [CurrentDatasets -visible] {
1445	SendCmd "outline visible $bool $tag"
1446	}
1447	}
1448	}
1449	"-glyphopacity" {
1450	set val $_settings($what)
1451	set sval [expr { 0.01 * double($val) }]
1452	SendCmd "glyphs opacity $sval"
1453	}
1454	"-glyphnormscale" {
1455	set bool $_settings($what)
1456	SendCmd "glyphs normscale $bool"
1457	}
1458	"-glyphorient" {
1459	set bool $_settings($what)
1460	SendCmd "glyphs gorient $bool {}"
1461	}
1462	"-glyphscale" {
1463	set val $_settings($what)
1464	if { [string is double $val] } {
1465	SendCmd "glyphs gscale $val"
1466	}
1467	}
1468	"-glyphscalemode" {
1469	set label [$itk_component(scaleMode) value]
1470	set mode [$itk_component(scaleMode) translate $label]
1471	set _settings($what) $mode
1472	SendCmd "glyphs smode $mode {}"
1473	}
1474	"-glyphshape" {
1475	set label [$itk_component(gshape) value]
1476	set shape [$itk_component(gshape) translate $label]
1477	set _settings($what) $shape
1478	SendCmd "glyphs shape $shape"
1479	}
1480	"-field" {
1481	set label [$itk_component(field) value]
1482	set fname [$itk_component(field) translate $label]
1483	set _settings($what) $fname
1484	if { [info exists _fields($fname)] } {
1485	foreach { label units components } $_fields($fname) break
1486	if { $components > 1 } {
1487	set _colorMode vmag
1488	} else {
1489	set _colorMode scalar
1490	}
1491	set _curFldName $fname
1492	set _curFldLabel $label
1493	} else {
1494	puts stderr "unknown field \"$fname\""
1495	return
1496	}
1497	#if { ![info exists _limits($_curFldName)] } {
1498	# SendCmd "dataset maprange all"
1499	#} else {
1500	# SendCmd "dataset maprange explicit $_limits($_curFldName) $_curFldName"
1501	#}
1502	#SendCmd "cutplane colormode $_colorMode $_curFldName"
1503	SendCmd "glyphs colormode $_colorMode $_curFldName"
1504	DrawLegend
1505	}
1506	"-legendvisible" {
1507	if { !$_settings($what) } {
1508	$itk_component(view) delete legend
1509	}
1510	DrawLegend
1511	}
1512	default {
1513	error "don't know how to fix $what"
1514	}
1515	}
1516	}
1517
1518	#
1519	# RequestLegend --
1520	#
1521	# Request a new legend from the server. The size of the legend
1522	# is determined from the height of the canvas.
1523	#
1524	# This should be called when
1525	# 1. A new current colormap is set.
1526	# 2. Window is resized.
1527	# 3. The limits of the data have changed. (Just need a redraw).
1528	# 4. Number of glyph have changed. (Just need a redraw).
1529	# 5. Legend becomes visible (Just need a redraw).
1530	#
1531	itcl::body Rappture::VtkGlyphViewer::RequestLegend {} {
1532	set _legendPending 0
1533	set font "Arial 8"
1534	set w 12
1535	set lineht [font metrics $font -linespace]
1536	# color ramp height = (canvas height) - (min and max value lines) - 2
1537	set h [expr {$_height - 2 * ($lineht + 2)}]
1538
1539	set fname $_curFldName
1540	if { [string match "component*" $fname] } {
1541	set title ""
1542	} else {
1543	if { [info exists _fields($fname)] } {
1544	foreach { title units } $_fields($fname) break
1545	if { $units != "" } {
1546	set title [format "%s (%s)" $title $units]
1547	}
1548	} else {
1549	set title $fname
1550	}
1551	}
1552	# If there's a title too, substract one more line
1553	if { $title != "" } {
1554	incr h -$lineht
1555	}
1556	if { $h < 1 } {
1557	return
1558	}
1559	# Set the legend on the first heightmap dataset.
1560	if { $_currentColormap != "" } {
1561	set cmap $_currentColormap
1562	SendCmdNoWait "legend $cmap $_colorMode $_curFldName {} $w $h 0"
1563	}
1564	}
1565
1566	# ----------------------------------------------------------------------
1567	# CONFIGURATION OPTION: -plotbackground
1568	# ----------------------------------------------------------------------
1569	itcl::configbody Rappture::VtkGlyphViewer::plotbackground {
1570	if { [isconnected] } {
1571	set rgb [Color2RGB $itk_option(-plotbackground)]
1572	SendCmd "screen bgcolor $rgb"
1573	}
1574	}
1575
1576	# ----------------------------------------------------------------------
1577	# CONFIGURATION OPTION: -plotforeground
1578	# ----------------------------------------------------------------------
1579	itcl::configbody Rappture::VtkGlyphViewer::plotforeground {
1580	if { [isconnected] } {
1581	set rgb [Color2RGB $itk_option(-plotforeground)]
1582	SendCmd "axis color all $rgb"
1583	SendCmd "outline color $rgb"
1584	#SendCmd "cutplane color $rgb"
1585	}
1586	}
1587
1588	itcl::body Rappture::VtkGlyphViewer::BuildGlyphTab {} {
1589
1590	set fg [option get $itk_component(hull) font Font]
1591	#set bfg [option get $itk_component(hull) boldFont Font]
1592
1593	set inner [$itk_component(main) insert end \
1594	-title "Glyph Settings" \
1595	-icon [Rappture::icon volume-on]]
1596	$inner configure -borderwidth 4
1597
1598	checkbutton $inner.glyphs \
1599	-text "Glyphs" \
1600	-variable [itcl::scope _settings(-glyphvisible)] \
1601	-command [itcl::code $this AdjustSetting -glyphvisible] \
1602	-font "Arial 9"
1603
1604	label $inner.gshape_l -text "Glyph shape" -font "Arial 9"
1605	itk_component add gshape {
1606	Rappture::Combobox $inner.gshape -width 10 -editable no
1607	}
1608	$inner.gshape choices insert end \
1609	"arrow" "arrow" \
1610	"cone" "cone" \
1611	"cube" "cube" \
1612	"cylinder" "cylinder" \
1613	"dodecahedron" "dodecahedron" \
1614	"icosahedron" "icosahedron" \
1615	"line" "line" \
1616	"octahedron" "octahedron" \
1617	"point" "point" \
1618	"sphere" "sphere" \
1619	"tetrahedron" "tetrahedron"
1620
1621	$itk_component(gshape) value $_settings(-glyphshape)
1622	bind $inner.gshape <<Value>> [itcl::code $this AdjustSetting -glyphshape]
1623
1624	label $inner.scaleMode_l -text "Scale by" -font "Arial 9"
1625	itk_component add scaleMode {
1626	Rappture::Combobox $inner.scaleMode -width 10 -editable no
1627	}
1628	$inner.scaleMode choices insert end \
1629	"scalar" "Scalar" \
1630	"vmag" "Vector magnitude" \
1631	"vcomp" "Vector components" \
1632	"off" "Constant size"
1633
1634	$itk_component(scaleMode) value "[$itk_component(scaleMode) label $_settings(-glyphscalemode)]"
1635	bind $inner.scaleMode <<Value>> [itcl::code $this AdjustSetting -glyphscalemode]
1636
1637	checkbutton $inner.normscale \
1638	-text "Normalize scaling" \
1639	-variable [itcl::scope _settings(-glyphnormscale)] \
1640	-command [itcl::code $this AdjustSetting -glyphnormscale] \
1641	-font "Arial 9"
1642	Rappture::Tooltip::for $inner.normscale "If enabled, field values are normalized to \[0,1\] before scaling and scale factor is relative to a default size"
1643
1644	checkbutton $inner.gorient \
1645	-text "Orient" \
1646	-variable [itcl::scope _settings(-glyphorient)] \
1647	-command [itcl::code $this AdjustSetting -glyphorient] \
1648	-font "Arial 9"
1649	Rappture::Tooltip::for $inner.gorient "Orient glyphs by vector field directions"
1650
1651	checkbutton $inner.wireframe \
1652	-text "Wireframe" \
1653	-variable [itcl::scope _settings(-glyphwireframe)] \
1654	-command [itcl::code $this AdjustSetting -glyphwireframe] \
1655	-font "Arial 9"
1656
1657	checkbutton $inner.lighting \
1658	-text "Enable Lighting" \
1659	-variable [itcl::scope _settings(-glyphlighting)] \
1660	-command [itcl::code $this AdjustSetting -glyphlighting] \
1661	-font "Arial 9"
1662
1663	checkbutton $inner.edges \
1664	-text "Edges" \
1665	-variable [itcl::scope _settings(-glyphedges)] \
1666	-command [itcl::code $this AdjustSetting -glyphedges] \
1667	-font "Arial 9"
1668
1669	checkbutton $inner.outline \
1670	-text "Outline" \
1671	-variable [itcl::scope _settings(-glyphoutline)] \
1672	-command [itcl::code $this AdjustSetting -glyphoutline] \
1673	-font "Arial 9"
1674
1675	checkbutton $inner.legend \
1676	-text "Legend" \
1677	-variable [itcl::scope _settings(-legendvisible)] \
1678	-command [itcl::code $this AdjustSetting -legendvisible] \
1679	-font "Arial 9"
1680
1681	label $inner.background_l -text "Background" -font "Arial 9"
1682	itk_component add background {
1683	Rappture::Combobox $inner.background -width 10 -editable no
1684	}
1685	$inner.background choices insert end \
1686	"black" "black" \
1687	"white" "white" \
1688	"grey" "grey"
1689
1690	$itk_component(background) value $_settings(-background)
1691	bind $inner.background <<Value>> [itcl::code $this AdjustSetting -background]
1692
1693	label $inner.opacity_l -text "Opacity" -font "Arial 9"
1694	::scale $inner.opacity -from 0 -to 100 -orient horizontal \
1695	-variable [itcl::scope _settings(-glyphopacity)] \
1696	-width 10 \
1697	-showvalue off \
1698	-command [itcl::code $this AdjustSetting -glyphopacity]
1699
1700	label $inner.gscale_l -text "Scale factor" -font "Arial 9"
1701	if {0} {
1702	::scale $inner.gscale -from 1 -to 100 -orient horizontal \
1703	-variable [itcl::scope _settings(-glyphscale)] \
1704	-width 10 \
1705	-showvalue off \
1706	-command [itcl::code $this AdjustSetting -glyphscale]
1707	} else {
1708	itk_component add gscale {
1709	entry $inner.gscale -font "Arial 9" -bg white \
1710	-textvariable [itcl::scope _settings(-glyphscale)]
1711	} {
1712	ignore -font -background
1713	}
1714	bind $inner.gscale <Return> \
1715	[itcl::code $this AdjustSetting -glyphscale]
1716	bind $inner.gscale <KP_Enter> \
1717	[itcl::code $this AdjustSetting -glyphscale]
1718	}
1719	Rappture::Tooltip::for $inner.gscale "Set scaling multiplier (or constant size)"
1720
1721	itk_component add field_l {
1722	label $inner.field_l -text "Color By" -font "Arial 9"
1723	} {
1724	ignore -font
1725	}
1726	itk_component add field {
1727	Rappture::Combobox $inner.field -width 10 -editable no
1728	}
1729	bind $inner.field <<Value>> \
1730	[itcl::code $this AdjustSetting -field]
1731
1732	label $inner.colormap_l -text "Colormap" -font "Arial 9"
1733	itk_component add colormap {
1734	Rappture::Combobox $inner.colormap -width 10 -editable no
1735	}
1736
1737	$inner.colormap choices insert end [GetColormapList]
1738	$itk_component(colormap) value "BCGYR"
1739	bind $inner.colormap <<Value>> \
1740	[itcl::code $this AdjustSetting -colormap]
1741
1742	blt::table $inner \
1743	0,0 $inner.field_l -anchor w -pady 2 \
1744	0,1 $inner.field -anchor w -pady 2 -fill x \
1745	1,0 $inner.colormap_l -anchor w -pady 2 \
1746	1,1 $inner.colormap -anchor w -pady 2 -fill x \
1747	3,0 $inner.background_l -anchor w -pady 2 \
1748	3,1 $inner.background -anchor w -pady 2 -fill x \
1749	5,0 $inner.wireframe -anchor w -pady 2 -cspan 2 \
1750	6,0 $inner.lighting -anchor w -pady 2 -cspan 2 \
1751	7,0 $inner.edges -anchor w -pady 2 -cspan 2 \
1752	8,0 $inner.outline -anchor w -pady 2 -cspan 2 \
1753	9,0 $inner.legend -anchor w -pady 2 \
1754	10,0 $inner.opacity_l -anchor w -pady 2 \
1755	10,1 $inner.opacity -fill x -pady 2 -fill x \
1756
1757	blt::table configure $inner r* c* -resize none
1758	blt::table configure $inner r11 c1 -resize expand
1759	}
1760
1761	itcl::body Rappture::VtkGlyphViewer::BuildAxisTab {} {
1762
1763	set fg [option get $itk_component(hull) font Font]
1764	#set bfg [option get $itk_component(hull) boldFont Font]
1765
1766	set inner [$itk_component(main) insert end \
1767	-title "Axis Settings" \
1768	-icon [Rappture::icon axis2]]
1769	$inner configure -borderwidth 4
1770
1771	checkbutton $inner.visible \
1772	-text "Axes" \
1773	-variable [itcl::scope _settings(-axesvisible)] \
1774	-command [itcl::code $this AdjustSetting -axesvisible] \
1775	-font "Arial 9"
1776
1777	checkbutton $inner.labels \
1778	-text "Axis Labels" \
1779	-variable [itcl::scope _settings(-axislabels)] \
1780	-command [itcl::code $this AdjustSetting -axislabels] \
1781	-font "Arial 9"
1782	label $inner.grid_l -text "Grid" -font "Arial 9"
1783	checkbutton $inner.xgrid \
1784	-text "X" \
1785	-variable [itcl::scope _settings(-xgrid)] \
1786	-command [itcl::code $this AdjustSetting -xgrid] \
1787	-font "Arial 9"
1788	checkbutton $inner.ygrid \
1789	-text "Y" \
1790	-variable [itcl::scope _settings(-ygrid)] \
1791	-command [itcl::code $this AdjustSetting -ygrid] \
1792	-font "Arial 9"
1793	checkbutton $inner.zgrid \
1794	-text "Z" \
1795	-variable [itcl::scope _settings(-zgrid)] \
1796	-command [itcl::code $this AdjustSetting -zgrid] \
1797	-font "Arial 9"
1798	checkbutton $inner.minorticks \
1799	-text "Minor Ticks" \
1800	-variable [itcl::scope _settings(-axisminorticks)] \
1801	-command [itcl::code $this AdjustSetting -axisminorticks] \
1802	-font "Arial 9"
1803
1804	label $inner.mode_l -text "Mode" -font "Arial 9"
1805
1806	itk_component add axisMode {
1807	Rappture::Combobox $inner.mode -width 10 -editable no
1808	}
1809	$inner.mode choices insert end \
1810	"static_triad" "static" \
1811	"closest_triad" "closest" \
1812	"furthest_triad" "farthest" \
1813	"outer_edges" "outer"
1814	$itk_component(axisMode) value $_settings(-axismode)
1815	bind $inner.mode <<Value>> [itcl::code $this AdjustSetting -axismode]
1816
1817	blt::table $inner \
1818	0,0 $inner.visible -anchor w -cspan 4 \
1819	1,0 $inner.labels -anchor w -cspan 4 \
1820	2,0 $inner.minorticks -anchor w -cspan 4 \
1821	4,0 $inner.grid_l -anchor w \
1822	4,1 $inner.xgrid -anchor w \
1823	4,2 $inner.ygrid -anchor w \
1824	4,3 $inner.zgrid -anchor w \
1825	5,0 $inner.mode_l -anchor w -padx { 2 0 } \
1826	5,1 $inner.mode -fill x -cspan 3
1827
1828	blt::table configure $inner r* c* -resize none
1829	blt::table configure $inner r7 c6 -resize expand
1830	blt::table configure $inner r3 -height 0.125i
1831	}
1832
1833	itcl::body Rappture::VtkGlyphViewer::BuildCameraTab {} {
1834	set inner [$itk_component(main) insert end \
1835	-title "Camera Settings" \
1836	-icon [Rappture::icon camera]]
1837	$inner configure -borderwidth 4
1838
1839	label $inner.view_l -text "view" -font "Arial 9"
1840	set f [frame $inner.view]
1841	foreach side { front back left right top bottom } {
1842	button $f.$side -image [Rappture::icon view$side] \
1843	-command [itcl::code $this SetOrientation $side]
1844	Rappture::Tooltip::for $f.$side "Change the view to $side"
1845	pack $f.$side -side left
1846	}
1847
1848	blt::table $inner \
1849	0,0 $inner.view_l -anchor e -pady 2 \
1850	0,1 $inner.view -anchor w -pady 2
1851	blt::table configure $inner r0 -resize none
1852
1853	set labels { qx qy qz qw xpan ypan zoom }
1854	set row 1
1855	foreach tag $labels {
1856	label $inner.${tag}label -text $tag -font "Arial 9"
1857	entry $inner.${tag} -font "Arial 9" -bg white \
1858	-textvariable [itcl::scope _view(-$tag)]
1859	bind $inner.${tag} <Return> \
1860	[itcl::code $this camera set -${tag}]
1861	bind $inner.${tag} <KP_Enter> \
1862	[itcl::code $this camera set -${tag}]
1863	blt::table $inner \
1864	$row,0 $inner.${tag}label -anchor e -pady 2 \
1865	$row,1 $inner.${tag} -anchor w -pady 2
1866	blt::table configure $inner r$row -resize none
1867	incr row
1868	}
1869	checkbutton $inner.ortho \
1870	-text "Orthographic Projection" \
1871	-variable [itcl::scope _view(-ortho)] \
1872	-command [itcl::code $this camera set -ortho] \
1873	-font "Arial 9"
1874	blt::table $inner \
1875	$row,0 $inner.ortho -cspan 2 -anchor w -pady 2
1876	blt::table configure $inner r$row -resize none
1877	incr row
1878
1879	blt::table configure $inner c* -resize none
1880	blt::table configure $inner c2 -resize expand
1881	blt::table configure $inner r$row -resize expand
1882	}
1883
1884	itcl::body Rappture::VtkGlyphViewer::BuildCutplaneTab {} {
1885
1886	set fg [option get $itk_component(hull) font Font]
1887
1888	set inner [$itk_component(main) insert end \
1889	-title "Cutplane Settings" \
1890	-icon [Rappture::icon cutbutton]]
1891
1892	$inner configure -borderwidth 4
1893
1894	checkbutton $inner.visible \
1895	-text "Cutplanes" \
1896	-variable [itcl::scope _settings(-cutplanevisible)] \
1897	-command [itcl::code $this AdjustSetting -cutplanevisible] \
1898	-font "Arial 9"
1899
1900	checkbutton $inner.wireframe \
1901	-text "Wireframe" \
1902	-variable [itcl::scope _settings(-cutplanewireframe)] \
1903	-command [itcl::code $this AdjustSetting -cutplanewireframe] \
1904	-font "Arial 9"
1905
1906	checkbutton $inner.lighting \
1907	-text "Enable Lighting" \
1908	-variable [itcl::scope _settings(-cutplanelighting)] \
1909	-command [itcl::code $this AdjustSetting -cutplanelighting] \
1910	-font "Arial 9"
1911
1912	checkbutton $inner.edges \
1913	-text "Edges" \
1914	-variable [itcl::scope _settings(-cutplaneedges)] \
1915	-command [itcl::code $this AdjustSetting -cutplaneedges] \
1916	-font "Arial 9"
1917
1918	checkbutton $inner.preinterp \
1919	-text "Interpolate Scalars" \
1920	-variable [itcl::scope _settings(-cutplanepreinterp)] \
1921	-command [itcl::code $this AdjustSetting -cutplanepreinterp] \
1922	-font "Arial 9"
1923
1924	label $inner.opacity_l -text "Opacity" -font "Arial 9"
1925	::scale $inner.opacity -from 0 -to 100 -orient horizontal \
1926	-variable [itcl::scope _settings(-cutplaneopacity)] \
1927	-width 10 \
1928	-showvalue off \
1929	-command [itcl::code $this AdjustSetting -cutplaneopacity]
1930	$inner.opacity set $_settings(-cutplaneopacity)
1931
1932	# X-value slicer...
1933	itk_component add xbutton {
1934	Rappture::PushButton $inner.xbutton \
1935	-onimage [Rappture::icon x-cutplane-red] \
1936	-offimage [Rappture::icon x-cutplane-red] \
1937	-command [itcl::code $this AdjustSetting -cutplanexvisible] \
1938	-variable [itcl::scope _settings(-cutplanexvisible)] \
1939	}
1940	Rappture::Tooltip::for $itk_component(xbutton) \
1941	"Toggle the X-axis cutplane on/off"
1942	$itk_component(xbutton) select
1943	itk_component add xposition {
1944	::scale $inner.xval -from 100 -to 0 \
1945	-width 10 -orient vertical -showvalue yes \
1946	-borderwidth 1 -highlightthickness 0 \
1947	-command [itcl::code $this EventuallySetCutplane x] \
1948	-variable [itcl::scope _settings(-cutplanexposition)] \
1949	-foreground red2 -font "Arial 9 bold"
1950	} {
1951	usual
1952	ignore -borderwidth -highlightthickness -foreground -font -background
1953	}
1954	# Set the default cutplane value before disabling the scale.
1955	$itk_component(xposition) set 50
1956	$itk_component(xposition) configure -state disabled
1957	Rappture::Tooltip::for $itk_component(xposition) \
1958	"@[itcl::code $this Slice tooltip x]"
1959
1960	# Y-value slicer...
1961	itk_component add ybutton {
1962	Rappture::PushButton $inner.ybutton \
1963	-onimage [Rappture::icon y-cutplane-green] \
1964	-offimage [Rappture::icon y-cutplane-green] \
1965	-command [itcl::code $this AdjustSetting -cutplaneyvisible] \
1966	-variable [itcl::scope _settings(-cutplaneyvisible)] \
1967	}
1968	Rappture::Tooltip::for $itk_component(ybutton) \
1969	"Toggle the Y-axis cutplane on/off"
1970	$itk_component(ybutton) select
1971
1972	itk_component add yposition {
1973	::scale $inner.yval -from 100 -to 0 \
1974	-width 10 -orient vertical -showvalue yes \
1975	-borderwidth 1 -highlightthickness 0 \
1976	-command [itcl::code $this EventuallySetCutplane y] \
1977	-variable [itcl::scope _settings(-cutplaneyposition)] \
1978	-foreground green3 -font "Arial 9 bold"
1979	} {
1980	usual
1981	ignore -borderwidth -highlightthickness -foreground -font
1982	}
1983	Rappture::Tooltip::for $itk_component(yposition) \
1984	"@[itcl::code $this Slice tooltip y]"
1985	# Set the default cutplane value before disabling the scale.
1986	$itk_component(yposition) set 50
1987	$itk_component(yposition) configure -state disabled
1988
1989	# Z-value slicer...
1990	itk_component add zbutton {
1991	Rappture::PushButton $inner.zbutton \
1992	-onimage [Rappture::icon z-cutplane-blue] \
1993	-offimage [Rappture::icon z-cutplane-blue] \
1994	-command [itcl::code $this AdjustSetting -cutplanezvisible] \
1995	-variable [itcl::scope _settings(-cutplanezvisible)] \
1996	} {
1997	usual
1998	ignore -foreground
1999	}
2000	Rappture::Tooltip::for $itk_component(zbutton) \
2001	"Toggle the Z-axis cutplane on/off"
2002	$itk_component(zbutton) select
2003
2004	itk_component add zposition {
2005	::scale $inner.zval -from 100 -to 0 \
2006	-width 10 -orient vertical -showvalue yes \
2007	-borderwidth 1 -highlightthickness 0 \
2008	-command [itcl::code $this EventuallySetCutplane z] \
2009	-variable [itcl::scope _settings(-cutplanezposition)] \
2010	-foreground blue3 -font "Arial 9 bold"
2011	} {
2012	usual
2013	ignore -borderwidth -highlightthickness -foreground -font
2014	}
2015	$itk_component(zposition) set 50
2016	$itk_component(zposition) configure -state disabled
2017	Rappture::Tooltip::for $itk_component(zposition) \
2018	"@[itcl::code $this Slice tooltip z]"
2019
2020	blt::table $inner \
2021	0,0 $inner.visible -anchor w -pady 2 -cspan 3 \
2022	1,0 $inner.lighting -anchor w -pady 2 -cspan 3 \
2023	2,0 $inner.wireframe -anchor w -pady 2 -cspan 3 \
2024	3,0 $inner.edges -anchor w -pady 2 -cspan 3 \
2025	4,0 $inner.preinterp -anchor w -pady 2 -cspan 3 \
2026	5,0 $inner.opacity_l -anchor w -pady 2 -cspan 1 \
2027	5,1 $inner.opacity -fill x -pady 2 -cspan 3 \
2028	6,0 $inner.xbutton -anchor w -padx 2 -pady 2 \
2029	7,0 $inner.ybutton -anchor w -padx 2 -pady 2 \
2030	8,0 $inner.zbutton -anchor w -padx 2 -pady 2 \
2031	6,1 $inner.xval -fill y -rspan 4 \
2032	6,2 $inner.yval -fill y -rspan 4 \
2033	6,3 $inner.zval -fill y -rspan 4 \
2034
2035	blt::table configure $inner r* c* -resize none
2036	blt::table configure $inner r9 c4 -resize expand
2037	}
2038
2039	#
2040	# camera --
2041	#
2042	itcl::body Rappture::VtkGlyphViewer::camera {option args} {
2043	switch -- $option {
2044	"show" {
2045	puts [array get _view]
2046	}
2047	"set" {
2048	set what [lindex $args 0]
2049	set x $_view($what)
2050	set code [catch { string is double $x } result]
2051	if { $code != 0 \|\| !$result } {
2052	return
2053	}
2054	switch -- $what {
2055	"-ortho" {
2056	if {$_view($what)} {
2057	SendCmd "camera mode ortho"
2058	} else {
2059	SendCmd "camera mode persp"
2060	}
2061	}
2062	"-xpan" - "-ypan" {
2063	PanCamera
2064	}
2065	"-qx" - "-qy" - "-qz" - "-qw" {
2066	set q [ViewToQuaternion]
2067	$_arcball quaternion $q
2068	EventuallyRotate $q
2069	}
2070	"-zoom" {
2071	SendCmd "camera zoom $_view($what)"
2072	}
2073	}
2074	}
2075	}
2076	}
2077
2078	itcl::body Rappture::VtkGlyphViewer::GetVtkData { args } {
2079	set bytes ""
2080	foreach dataobj [get] {
2081	foreach cname [$dataobj components] {
2082	set tag $dataobj-$cname
2083	set contents [$dataobj vtkdata $cname]
2084	append bytes "$contents\n"
2085	}
2086	}
2087	return [list .vtk $bytes]
2088	}
2089
2090	itcl::body Rappture::VtkGlyphViewer::GetImage { args } {
2091	if { [image width $_image(download)] > 0 &&
2092	[image height $_image(download)] > 0 } {
2093	set bytes [$_image(download) data -format "jpeg -quality 100"]
2094	set bytes [Rappture::encoding::decode -as b64 $bytes]
2095	return [list .jpg $bytes]
2096	}
2097	return ""
2098	}
2099
2100	itcl::body Rappture::VtkGlyphViewer::BuildDownloadPopup { popup command } {
2101	Rappture::Balloon $popup \
2102	-title "[Rappture::filexfer::label downloadWord] as..."
2103	set inner [$popup component inner]
2104	label $inner.summary -text "" -anchor w
2105	radiobutton $inner.vtk_button -text "VTK data file" \
2106	-variable [itcl::scope _downloadPopup(format)] \
2107	-font "Arial 9 " \
2108	-value vtk
2109	Rappture::Tooltip::for $inner.vtk_button "Save as VTK data file."
2110	radiobutton $inner.image_button -text "Image File" \
2111	-variable [itcl::scope _downloadPopup(format)] \
2112	-font "Arial 9 " \
2113	-value image
2114	Rappture::Tooltip::for $inner.image_button \
2115	"Save as digital image."
2116
2117	button $inner.ok -text "Save" \
2118	-highlightthickness 0 -pady 2 -padx 3 \
2119	-command $command \
2120	-compound left \
2121	-image [Rappture::icon download]
2122
2123	button $inner.cancel -text "Cancel" \
2124	-highlightthickness 0 -pady 2 -padx 3 \
2125	-command [list $popup deactivate] \
2126	-compound left \
2127	-image [Rappture::icon cancel]
2128
2129	blt::table $inner \
2130	0,0 $inner.summary -cspan 2 \
2131	1,0 $inner.vtk_button -anchor w -cspan 2 -padx { 4 0 } \
2132	2,0 $inner.image_button -anchor w -cspan 2 -padx { 4 0 } \
2133	4,1 $inner.cancel -width .9i -fill y \
2134	4,0 $inner.ok -padx 2 -width .9i -fill y
2135	blt::table configure $inner r3 -height 4
2136	blt::table configure $inner r4 -pady 4
2137	raise $inner.image_button
2138	$inner.vtk_button invoke
2139	return $inner
2140	}
2141
2142	itcl::body Rappture::VtkGlyphViewer::SetObjectStyle { dataobj comp } {
2143	# Parse style string.
2144	set tag $dataobj-$comp
2145	array set style {
2146	-color BCGYR
2147	-edgecolor black
2148	-edges 0
2149	-gscale 1
2150	-lighting 1
2151	-linewidth 1.0
2152	-normscale 1
2153	-opacity 1.0
2154	-orientGlyphs 1
2155	-outline 0
2156	-ptsize 1.0
2157	-quality 1
2158	-scaleMode "vmag"
2159	-shape "arrow"
2160	-wireframe 0
2161	}
2162	set numComponents [$dataobj numComponents $comp]
2163	if {$numComponents == 3} {
2164	set style(-shape) "arrow"
2165	set style(-orientGlyphs) 1
2166	set style(-scaleMode) "vmag"
2167	} else {
2168	set style(-shape) "sphere"
2169	set style(-orientGlyphs) 0
2170	set style(-scaleMode) "scalar"
2171	}
2172	array set style [$dataobj style $comp]
2173	if { $dataobj != $_first } {
2174	set style(-opacity) 1
2175	}
2176	if 0 {
2177	SendCmd "cutplane add $tag"
2178	SendCmd "cutplane visible 0 $tag"
2179	}
2180	# This is too complicated. We want to set the colormap, number of
2181	# glyph and opacity for the dataset. They can be the default values,
2182	# the style hints loaded with the dataset, or set by user controls. As
2183	# datasets get loaded, they first use the defaults that are overidden
2184	# by the style hints. If the user changes the global controls, then that
2185	# overrides everything else. I don't know what it means when global
2186	# controls are specified as style hints by each dataset. It complicates
2187	# the code to handle aberrant cases.
2188
2189	if { $_changed(-glyphopacity) } {
2190	set style(-opacity) [expr $_settings(-glyphopacity) * 0.01]
2191	}
2192	if { $_changed(-colormap) } {
2193	set style(-color) $_settings(-colormap)
2194	}
2195	if { $_currentColormap == "" } {
2196	$itk_component(colormap) value $style(-color)
2197	}
2198
2199	SendCmd "outline add $tag"
2200	SendCmd "outline color [Color2RGB $itk_option(-plotforeground)] $tag"
2201	SendCmd "outline visible $style(-outline) $tag"
2202	set _settings(-glyphoutline) $style(-outline)
2203
2204	SendCmd "glyphs add $style(-shape) $tag"
2205	set _settings(-glyphshape) $style(-shape)
2206	$itk_component(gshape) value $style(-shape)
2207	SendCmd "glyphs edges $style(-edges) $tag"
2208	set _settings(-glyphedges) $style(-edges)
2209
2210	# normscale=1 and gscale=1 are defaults
2211	if {$style(-normscale) != 1} {
2212	SendCmd "glyphs normscale $style(-normscale) $tag"
2213	}
2214	if {$style(-gscale) != 1} {
2215	SendCmd "glyphs gscale $style(-gscale) $tag"
2216	}
2217	set _settings(-glyphnormscale) $style(-normscale)
2218	set _settings(-glyphscale) $style(-gscale)
2219
2220	# constant color only used if colormode set to constant
2221	SendCmd "glyphs color [Color2RGB $itk_option(-plotforeground)] $tag"
2222	# Omitting field name for gorient and smode commands
2223	# defaults to active scalars or vectors depending on mode
2224	SendCmd "glyphs gorient $style(-orientGlyphs) {} $tag"
2225	set _settings(-glyphorient) $style(-orientGlyphs)
2226	SendCmd "glyphs smode $style(-scaleMode) {} $tag"
2227	set _settings(-glyphscalemode) $style(-scaleMode)
2228	$itk_component(scaleMode) value "[$itk_component(scaleMode) label $style(-scaleMode)]"
2229	SendCmd "glyphs quality $style(-quality) $tag"
2230	SendCmd "glyphs lighting $style(-lighting) $tag"
2231	set _settings(-glyphlighting) $style(-lighting)
2232	SendCmd "glyphs linecolor [Color2RGB $style(-edgecolor)] $tag"
2233	SendCmd "glyphs linewidth $style(-linewidth) $tag"
2234	SendCmd "glyphs ptsize $style(-ptsize) $tag"
2235	SendCmd "glyphs opacity $style(-opacity) $tag"
2236	set _settings(-glyphopacity) [expr $style(-opacity) * 100.0]
2237	SetCurrentColormap $style(-color)
2238	SendCmd "glyphs wireframe $style(-wireframe) $tag"
2239	set _settings(-glyphwireframe) $style(-wireframe)
2240	}
2241
2242	itcl::body Rappture::VtkGlyphViewer::IsValidObject { dataobj } {
2243	if {[catch {$dataobj isa Rappture::Field} valid] != 0 \|\| !$valid} {
2244	return 0
2245	}
2246	return 1
2247	}
2248
2249	#
2250	# EnterLegend --
2251	#
2252	itcl::body Rappture::VtkGlyphViewer::EnterLegend { x y } {
2253	SetLegendTip $x $y
2254	}
2255
2256	#
2257	# MotionLegend --
2258	#
2259	itcl::body Rappture::VtkGlyphViewer::MotionLegend { x y } {
2260	Rappture::Tooltip::tooltip cancel
2261	set c $itk_component(view)
2262	set cw [winfo width $c]
2263	set ch [winfo height $c]
2264	if { $x >= 0 && $x < $cw && $y >= 0 && $y < $ch } {
2265	SetLegendTip $x $y
2266	}
2267	}
2268
2269	#
2270	# LeaveLegend --
2271	#
2272	itcl::body Rappture::VtkGlyphViewer::LeaveLegend { } {
2273	Rappture::Tooltip::tooltip cancel
2274	.rappturetooltip configure -icon ""
2275	}
2276
2277	#
2278	# SetLegendTip --
2279	#
2280	itcl::body Rappture::VtkGlyphViewer::SetLegendTip { x y } {
2281	set fname $_curFldName
2282	set c $itk_component(view)
2283	set w [winfo width $c]
2284	set h [winfo height $c]
2285
2286	set font "Arial 8"
2287	set lineht [font metrics $font -linespace]
2288
2289	set ih [image height $_image(legend)]
2290	set iy [expr $y - ($lineht + 2)]
2291
2292	if { [string match "component*" $fname] } {
2293	set title ""
2294	} else {
2295	if { [info exists _fields($fname)] } {
2296	foreach { title units } $_fields($fname) break
2297	if { $units != "" } {
2298	set title [format "%s (%s)" $title $units]
2299	}
2300	} else {
2301	set title $fname
2302	}
2303	}
2304	# If there's a legend title, increase the offset by the line height.
2305	if { $title != "" } {
2306	incr iy -$lineht
2307	}
2308	# Make a swatch of the selected color
2309	if { [catch { $_image(legend) get 10 $iy } pixel] != 0 } {
2310	return
2311	}
2312	if { ![info exists _image(swatch)] } {
2313	set _image(swatch) [image create photo -width 24 -height 24]
2314	}
2315	set color [eval format "\#%02x%02x%02x" $pixel]
2316	$_image(swatch) put black -to 0 0 23 23
2317	$_image(swatch) put $color -to 1 1 22 22
2318	.rappturetooltip configure -icon $_image(swatch)
2319
2320	# Compute the value of the point
2321	if { [info exists _limits($_curFldName)] } {
2322	foreach { vmin vmax } $_limits($_curFldName) break
2323	set t [expr 1.0 - (double($iy) / double($ih-1))]
2324	set value [expr $t * ($vmax - $vmin) + $vmin]
2325	} else {
2326	set value 0.0
2327	}
2328	set tx [expr $x + 15]
2329	set ty [expr $y - 5]
2330	Rappture::Tooltip::text $c [format "$title %g" $value]
2331	Rappture::Tooltip::tooltip show $c +$tx,+$ty
2332	}
2333
2334	# ----------------------------------------------------------------------
2335	# USAGE: Slice move x\|y\|z <newval>
2336	#
2337	# Called automatically when the user drags the slider to move the
2338	# cut plane that slices 3D data. Gets the current value from the
2339	# slider and moves the cut plane to the appropriate point in the
2340	# data set.
2341	# ----------------------------------------------------------------------
2342	itcl::body Rappture::VtkGlyphViewer::Slice {option args} {
2343	switch -- $option {
2344	"move" {
2345	set axis [lindex $args 0]
2346	set newval [lindex $args 1]
2347	if {[llength $args] != 2} {
2348	error "wrong # args: should be \"Slice move x\|y\|z newval\""
2349	}
2350	set newpos [expr {0.01*$newval}]
2351	SendCmd "cutplane slice $axis $newpos"
2352	}
2353	"tooltip" {
2354	set axis [lindex $args 0]
2355	set val [$itk_component(${axis}position) get]
2356	return "Move the [string toupper $axis] cut plane.\nCurrently: $axis = $val%"
2357	}
2358	default {
2359	error "bad option \"$option\": should be axis, move, or tooltip"
2360	}
2361	}
2362	}
2363
2364	#
2365	# ReceiveLegend --
2366	#
2367	# Invoked automatically whenever the "legend" command comes in from
2368	# the rendering server. Indicates that binary image data with the
2369	# specified <size> will follow.
2370	#
2371	itcl::body Rappture::VtkGlyphViewer::ReceiveLegend { colormap title min max size } {
2372	#puts stderr "ReceiveLegend colormap=$colormap title=$title range=$min,$max size=$size"
2373	set _title $title
2374	regsub {\(mag\)} $title "" _title
2375	if { [IsConnected] } {
2376	set bytes [ReceiveBytes $size]
2377	if { ![info exists _image(legend)] } {
2378	set _image(legend) [image create photo]
2379	}
2380	$_image(legend) configure -data $bytes
2381	#puts stderr "read $size bytes for [image width $_image(legend)]x[image height $_image(legend)] legend>"
2382	if { [catch {DrawLegend} errs] != 0 } {
2383	global errorInfo
2384	puts stderr "errs=$errs errorInfo=$errorInfo"
2385	}
2386	}
2387	}
2388
2389	#
2390	# DrawLegend --
2391	#
2392	# Draws the legend in the own canvas on the right side of the plot area.
2393	#
2394	itcl::body Rappture::VtkGlyphViewer::DrawLegend {} {
2395	set fname $_curFldName
2396	set c $itk_component(view)
2397	set w [winfo width $c]
2398	set h [winfo height $c]
2399	set font "Arial 8"
2400	set lineht [font metrics $font -linespace]
2401
2402	if { [string match "component*" $fname] } {
2403	set title ""
2404	} else {
2405	if { [info exists _fields($fname)] } {
2406	foreach { title units } $_fields($fname) break
2407	if { $units != "" } {
2408	set title [format "%s (%s)" $title $units]
2409	}
2410	} else {
2411	set title $fname
2412	}
2413	}
2414	set x [expr $w - 2]
2415	if { !$_settings(-legendvisible) } {
2416	$c delete legend
2417	return
2418	}
2419	if { [$c find withtag "legend"] == "" } {
2420	set y 2
2421	# If there's a legend title, create a text item for the title.
2422	$c create text $x $y \
2423	-anchor ne \
2424	-fill $itk_option(-plotforeground) -tags "title legend" \
2425	-font $font
2426	if { $title != "" } {
2427	incr y $lineht
2428	}
2429	$c create text $x $y \
2430	-anchor ne \
2431	-fill $itk_option(-plotforeground) -tags "vmax legend" \
2432	-font $font
2433	incr y $lineht
2434	$c create image $x $y \
2435	-anchor ne \
2436	-image $_image(legend) -tags "colormap legend"
2437	$c create rectangle $x $y 1 1 \
2438	-fill "" -outline "" -tags "sensor legend"
2439	$c create text $x [expr {$h-2}] \
2440	-anchor se \
2441	-fill $itk_option(-plotforeground) -tags "vmin legend" \
2442	-font $font
2443	$c bind sensor <Enter> [itcl::code $this EnterLegend %x %y]
2444	$c bind sensor <Leave> [itcl::code $this LeaveLegend]
2445	$c bind sensor <Motion> [itcl::code $this MotionLegend %x %y]
2446	}
2447	set x2 $x
2448	set iw [image width $_image(legend)]
2449	set ih [image height $_image(legend)]
2450	set x1 [expr $x2 - ($iw*12)/10]
2451
2452	$c bind title <ButtonPress> [itcl::code $this Combo post]
2453	$c bind title <Enter> [itcl::code $this Combo activate]
2454	$c bind title <Leave> [itcl::code $this Combo deactivate]
2455	# Reset the item coordinates according the current size of the plot.
2456	$c itemconfigure title -text $title
2457	if { [info exists _limits($_curFldName)] } {
2458	foreach { vmin vmax } $_limits($_curFldName) break
2459	$c itemconfigure vmin -text [format %g $vmin]
2460	$c itemconfigure vmax -text [format %g $vmax]
2461	}
2462	set y 2
2463	# If there's a legend title, move the title to the correct position
2464	if { $title != "" } {
2465	$c itemconfigure title -text $title
2466	$c coords title $x $y
2467	incr y $lineht
2468	$c raise title
2469	}
2470	$c coords vmax $x $y
2471	incr y $lineht
2472	$c coords colormap $x $y
2473	$c coords sensor [expr $x - $iw] $y $x [expr $y + $ih]
2474	$c raise sensor
2475	$c coords vmin $x [expr {$h - 2}]
2476	}
2477
2478	# ----------------------------------------------------------------------
2479	# USAGE: _dropdown post
2480	# USAGE: _dropdown unpost
2481	# USAGE: _dropdown select
2482	#
2483	# Used internally to handle the dropdown list for this combobox. The
2484	# post/unpost options are invoked when the list is posted or unposted
2485	# to manage the relief of the controlling button. The select option
2486	# is invoked whenever there is a selection from the list, to assign
2487	# the value back to the gauge.
2488	# ----------------------------------------------------------------------
2489	itcl::body Rappture::VtkGlyphViewer::Combo {option} {
2490	set c $itk_component(view)
2491	switch -- $option {
2492	post {
2493	foreach { x1 y1 x2 y2 } [$c bbox title] break
2494	set cw [winfo width $itk_component(view)]
2495	set mw [winfo reqwidth $itk_component(fieldmenu)]
2496	set x1 [expr $cw - $mw]
2497	set x [expr $x1 + [winfo rootx $itk_component(view)]]
2498	set y [expr $y2 + [winfo rooty $itk_component(view)]]
2499	tk_popup $itk_component(fieldmenu) $x $y
2500	}
2501	activate {
2502	$c itemconfigure title -fill red
2503	}
2504	deactivate {
2505	$c itemconfigure title -fill $itk_option(-plotforeground)
2506	}
2507	invoke {
2508	$itk_component(field) value $_curFldLabel
2509	AdjustSetting -field
2510	}
2511	default {
2512	error "bad option \"$option\": should be post, unpost, select"
2513	}
2514	}
2515	}
2516
2517	#
2518	# SetCurrentColormap --
2519	#
2520	itcl::body Rappture::VtkGlyphViewer::SetCurrentColormap { name } {
2521	# Keep track of the colormaps that we build.
2522	if { ![info exists _colormaps($name)] } {
2523	BuildColormap $name
2524	set _colormaps($name) 1
2525	}
2526	set _currentColormap $name
2527	SendCmd "glyphs colormap $_currentColormap"
2528	}
2529
2530	#
2531	# BuildColormap --
2532	#
2533	# Build the designated colormap on the server.
2534	#
2535	itcl::body Rappture::VtkGlyphViewer::BuildColormap { name } {
2536	set cmap [ColorsToColormap $name]
2537	if { [llength $cmap] == 0 } {
2538	set cmap "0.0 0.0 0.0 0.0 1.0 1.0 1.0 1.0"
2539	}
2540	set wmap "0.0 1.0 1.0 1.0"
2541	SendCmd "colormap add $name { $cmap } { $wmap }"
2542	}
2543
2544	itcl::body Rappture::VtkGlyphViewer::SetOrientation { side } {
2545	array set positions {
2546	front "1 0 0 0"
2547	back "0 0 1 0"
2548	left "0.707107 0 -0.707107 0"
2549	right "0.707107 0 0.707107 0"
2550	top "0.707107 -0.707107 0 0"
2551	bottom "0.707107 0.707107 0 0"
2552	}
2553	foreach name { -qw -qx -qy -qz } value $positions($side) {
2554	set _view($name) $value
2555	}
2556	set q [ViewToQuaternion]
2557	$_arcball quaternion $q
2558	SendCmd "camera orient $q"
2559	SendCmd "camera reset"
2560	set _view(-xpan) 0
2561	set _view(-ypan) 0
2562	set _view(-zoom) 1.0
2563	}

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

Download in other formats: