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source: branches/1.3/gui/scripts/vtkglyphviewer.tcl @ 4706

Last change on this file since 4706 was 4706, checked in by ldelgass, 10 years ago
merge r4699 from trunk
File size: 81.4 KB

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

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