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source: branches/1.3/gui/scripts/vtkglyphviewer.tcl @ 4455

Last change on this file since 4455 was 4455, checked in by ldelgass, 10 years ago
Merge fix from r4454 from trunk
File size: 81.4 KB

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

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