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source: branches/1.3/gui/scripts/vtkglyphviewer.tcl @ 4693

Last change on this file since 4693 was 4676, checked in by ldelgass, 10 years ago
merge r4642 from trunk
File size: 81.7 KB

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

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