Context Navigation

source: trunk/gui/scripts/vtkstreamlinesviewer.tcl @ 6142

Last change on this file since 6142 was 6142, checked in by ldelgass, 9 years ago
minor cleanups
File size: 84.0 KB

Rev	Line
[5006]	1	# -- mode: tcl; indent-tabs-mode: nil --
[2504]	2	# ----------------------------------------------------------------------
[4444]	3	# COMPONENT: vtkstreamlinesviewer - Vtk streamlines object viewer
[2504]	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
[4344]	9	# Copyright (c) 2004-2014 HUBzero Foundation, LLC
[2504]	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
[2743]	16	package require Img
[2504]	17
	18	option add *VtkStreamlinesViewer.width 4i widgetDefault
	19	option add VtkStreamlinesViewercursor crosshair widgetDefault
	20	option add *VtkStreamlinesViewer.height 4i widgetDefault
	21	option add *VtkStreamlinesViewer.foreground black widgetDefault
	22	option add *VtkStreamlinesViewer.controlBackground gray widgetDefault
	23	option add *VtkStreamlinesViewer.controlDarkBackground #999999 widgetDefault
	24	option add *VtkStreamlinesViewer.plotBackground black widgetDefault
	25	option add *VtkStreamlinesViewer.plotForeground white widgetDefault
	26	option add *VtkStreamlinesViewer.font \
	27	--helvetica-medium-r-normal--12-* widgetDefault
	28
	29	# must use this name -- plugs into Rappture::resources::load
	30	proc VtkStreamlinesViewer_init_resources {} {
	31	Rappture::resources::register \
	32	vtkvis_server Rappture::VtkStreamlinesViewer::SetServerList
	33	}
	34
	35	itcl::class Rappture::VtkStreamlinesViewer {
	36	inherit Rappture::VisViewer
	37
	38	itk_option define -plotforeground plotForeground Foreground ""
	39	itk_option define -plotbackground plotBackground Background ""
	40
[6052]	41	constructor { args } {
	42	Rappture::VisViewer::constructor
[2504]	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 {}
[5006]	59	public method parameters {title args} {
	60	# do nothing
[2504]	61	}
	62	public method scale {args}
	63
	64	# The following methods are only used by this class.
[4765]	65	private method AdjustSetting {what {value ""}}
[2504]	66	private method BuildAxisTab {}
	67	private method BuildCameraTab {}
[5770]	68	private method BuildColormap { name }
[2584]	69	private method BuildCutplaneTab {}
[5006]	70	private method BuildDownloadPopup { widget command }
[2504]	71	private method BuildStreamsTab {}
[5764]	72	private method BuildSurfaceTab {}
[3442]	73	private method DrawLegend {}
[2649]	74	private method Combo { option }
[4765]	75	private method Connect {}
	76	private method CurrentDatasets {args}
	77	private method Disconnect {}
	78	private method DoResize {}
	79	private method DoReseed {}
	80	private method DoRotate {}
[5006]	81	private method EnterLegend { x y }
	82	private method EventuallyResize { w h }
	83	private method EventuallyReseed { numPoints }
	84	private method EventuallyRotate { q }
	85	private method EventuallySetCutplane { axis args }
	86	private method GetImage { args }
	87	private method GetVtkData { args }
[4765]	88	private method InitSettings { args }
[5006]	89	private method IsValidObject { dataobj }
[2504]	90	private method LeaveLegend {}
[5006]	91	private method MotionLegend { x y }
[4765]	92	private method Pan {option x y}
[2504]	93	private method PanCamera {}
[4765]	94	private method Pick {x y}
[5006]	95	private method QuaternionToView { q } {
[4765]	96	foreach { _view(-qw) _view(-qx) _view(-qy) _view(-qz) } $q break
	97	}
	98	private method Rebuild {}
	99	private method ReceiveDataset { args }
	100	private method ReceiveImage { args }
	101	private method ReceiveLegend { colormap title vmin vmax size }
[2587]	102	private method RequestLegend {}
[4765]	103	private method Rotate {option x y}
[5770]	104	private method SetCurrentColormap { color }
[2504]	105	private method SetLegendTip { x y }
[5006]	106	private method SetObjectStyle { dataobj comp }
	107	private method Slice {option args}
[3517]	108	private method SetOrientation { side }
[5006]	109	private method ViewToQuaternion {} {
[4765]	110	return [list $_view(-qw) $_view(-qx) $_view(-qy) $_view(-qz)]
	111	}
	112	private method Zoom {option}
[2504]	113
	114	private variable _arcball ""
	115
[2744]	116	private variable _dlist "" ; # list of data objects
	117	private variable _obj2ovride ; # maps dataobj => style override
[5006]	118	private variable _datasets ; # contains all the dataobj-component
[2744]	119	; # datasets in the server
	120	private variable _colormaps ; # contains all the colormaps
	121	; # in the server.
[5770]	122	private variable _currentColormap ""
[2504]	123
[2744]	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
[2504]	127	private variable _settings
[5156]	128	private variable _reset 1; # Connection to server has been reset.
[2504]	129
[2744]	130	private variable _first "" ; # This is the topmost dataset.
[2504]	131	private variable _start 0
	132	private variable _title ""
[2547]	133	private variable _seeds
[2504]	134	private variable _width 0
	135	private variable _height 0
	136	private variable _resizePending 0
[2600]	137	private variable _reseedPending 0
[2504]	138	private variable _rotatePending 0
[2584]	139	private variable _cutplanePending 0
[2652]	140	private variable _legendPending 0
[5006]	141	private variable _fields
[3405]	142	private variable _curFldName ""
	143	private variable _curFldLabel ""
[2744]	144	private variable _field ""
[2600]	145	private variable _numSeeds 200
[2587]	146	private variable _colorMode "vmag";# Mode of colormap (vmag or scalar)
[5764]	147
	148	private common _downloadPopup; # download options from popup
	149	private common _hardcopy
[2504]	150	}
	151
	152	itk::usual VtkStreamlinesViewer {
	153	keep -background -foreground -cursor -font
	154	keep -plotbackground -plotforeground
	155	}
	156
	157	# ----------------------------------------------------------------------
	158	# CONSTRUCTOR
	159	# ----------------------------------------------------------------------
[6052]	160	itcl::body Rappture::VtkStreamlinesViewer::constructor {args} {
[2671]	161	set _serverType "vtkvis"
	162
[3454]	163	EnableWaitDialog 2000
[3446]	164
[2504]	165	# Rebuild event
	166	$_dispatcher register !rebuild
	167	$_dispatcher dispatch $this !rebuild "[itcl::code $this Rebuild]; list"
	168
	169	# Resize event
	170	$_dispatcher register !resize
	171	$_dispatcher dispatch $this !resize "[itcl::code $this DoResize]; list"
	172
[2600]	173	# Reseed event
	174	$_dispatcher register !reseed
	175	$_dispatcher dispatch $this !reseed "[itcl::code $this DoReseed]; list"
	176
[2504]	177	# Rotate event
	178	$_dispatcher register !rotate
	179	$_dispatcher dispatch $this !rotate "[itcl::code $this DoRotate]; list"
	180
[2652]	181	# Legend event
	182	$_dispatcher register !legend
	183	$_dispatcher dispatch $this !legend "[itcl::code $this RequestLegend]; list"
	184
[2584]	185	# X-Cutplane event
	186	$_dispatcher register !xcutplane
	187	$_dispatcher dispatch $this !xcutplane \
[4771]	188	"[itcl::code $this AdjustSetting -cutplanexposition]; list"
[2504]	189
[2584]	190	# Y-Cutplane event
	191	$_dispatcher register !ycutplane
	192	$_dispatcher dispatch $this !ycutplane \
[4771]	193	"[itcl::code $this AdjustSetting -cutplaneyposition]; list"
[2584]	194
	195	# Z-Cutplane event
	196	$_dispatcher register !zcutplane
	197	$_dispatcher dispatch $this !zcutplane \
[4771]	198	"[itcl::code $this AdjustSetting -cutplanezposition]; list"
[2584]	199
[2504]	200	#
	201	# Populate parser with commands handle incoming requests
	202	#
	203	$_parser alias image [itcl::code $this ReceiveImage]
	204	$_parser alias dataset [itcl::code $this ReceiveDataset]
	205	$_parser alias legend [itcl::code $this ReceiveLegend]
	206
	207	# Initialize the view to some default parameters.
	208	array set _view {
[4765]	209	-ortho 0
	210	-qw 0.853553
	211	-qx -0.353553
	212	-qy 0.353553
	213	-qz 0.146447
	214	-xpan 0
	215	-ypan 0
	216	-zoom 1.0
[2504]	217	}
	218	set _arcball [blt::arcball create 100 100]
[4765]	219	$_arcball quaternion [ViewToQuaternion]
[2504]	220
	221	array set _settings [subst {
[4771]	222	-axesvisible 1
	223	-axislabelsvisible 1
	224	-axisminorticks 1
	225	-axismode "static"
	226	-cutplaneedges 0
	227	-cutplanelighting 1
	228	-cutplaneopacity 100
	229	-cutplanevisible 0
	230	-cutplanewireframe 0
	231	-cutplanexposition 50
	232	-cutplanexvisible 1
	233	-cutplaneyposition 50
	234	-cutplaneyvisible 1
	235	-cutplanezposition 50
	236	-cutplanezvisible 1
	237	-legendvisible 1
	238	-streamlineslighting 1
	239	-streamlinesmode lines
	240	-streamlinesnumseeds 200
	241	-streamlinesopacity 100
[5764]	242	-streamlineslength 70
[4771]	243	-streamlinesseedsvisible 0
	244	-streamlinesvisible 1
[5764]	245	-surfaceedges 0
	246	-surfacelighting 1
	247	-surfaceopacity 40
	248	-surfacevisible 1
	249	-surfacewireframe 0
[4771]	250	-xgrid 0
	251	-ygrid 0
	252	-zgrid 0
[2504]	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
[2649]	263	itk_component add fieldmenu {
	264	menu $itk_component(plotarea).menu -bg black -fg white -relief flat \
[5006]	265	-tearoff no
[2649]	266	} {
[2744]	267	usual
	268	ignore -background -foreground -relief -tearoff
[2649]	269	}
[2504]	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"
[3330]	279	bind $c <Control-F1> [itcl::code $this ToggleConsole]
[2504]	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 $_image(plot)]
[5006]	285	set _map(cwidth) -1
	286	set _map(cheight) -1
[2504]	287	set _map(zoom) 1.0
	288	set _map(original) ""
	289
	290	set f [$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) "Reset the view to the default zoom level"
	302
	303	itk_component add zoomin {
	304	button $f.zin -borderwidth 1 -padx 1 -pady 1 \
	305	-highlightthickness 0 \
	306	-image [Rappture::icon zoom-in] \
	307	-command [itcl::code $this Zoom in]
	308	} {
	309	usual
	310	ignore -highlightthickness
	311	}
	312	pack $itk_component(zoomin) -side top -padx 2 -pady 2
	313	Rappture::Tooltip::for $itk_component(zoomin) "Zoom in"
	314
	315	itk_component add zoomout {
	316	button $f.zout -borderwidth 1 -padx 1 -pady 1 \
	317	-highlightthickness 0 \
	318	-image [Rappture::icon zoom-out] \
	319	-command [itcl::code $this Zoom out]
	320	} {
	321	usual
	322	ignore -highlightthickness
	323	}
	324	pack $itk_component(zoomout) -side top -padx 2 -pady 2
	325	Rappture::Tooltip::for $itk_component(zoomout) "Zoom out"
	326
[5764]	327	itk_component add surface {
	328	Rappture::PushButton $f.surface \
[2584]	329	-onimage [Rappture::icon volume-on] \
	330	-offimage [Rappture::icon volume-off] \
[5764]	331	-variable [itcl::scope _settings(-surfacevisible)] \
	332	-command [itcl::code $this AdjustSetting -surfacevisible]
[2584]	333	}
[5764]	334	$itk_component(surface) select
	335	Rappture::Tooltip::for $itk_component(surface) \
	336	"Show/Hide the boundary surface"
	337	pack $itk_component(surface) -padx 2 -pady 2
[2584]	338
	339	itk_component add streamlines {
	340	Rappture::PushButton $f.streamlines \
[2585]	341	-onimage [Rappture::icon streamlines-on] \
	342	-offimage [Rappture::icon streamlines-off] \
[4771]	343	-variable [itcl::scope _settings(-streamlinesvisible)] \
	344	-command [itcl::code $this AdjustSetting -streamlinesvisible] \
[2584]	345	}
	346	$itk_component(streamlines) select
	347	Rappture::Tooltip::for $itk_component(streamlines) \
[5764]	348	"Show/Hide the streamlines"
[2584]	349	pack $itk_component(streamlines) -padx 2 -pady 2
	350
[2622]	351	itk_component add cutplane {
	352	Rappture::PushButton $f.cutplane \
	353	-onimage [Rappture::icon cutbutton] \
	354	-offimage [Rappture::icon cutbutton] \
[4771]	355	-variable [itcl::scope _settings(-cutplanevisible)] \
[5006]	356	-command [itcl::code $this AdjustSetting -cutplanevisible]
[2622]	357	}
	358	Rappture::Tooltip::for $itk_component(cutplane) \
[5764]	359	"Show/Hide the cutplanes"
[2622]	360	pack $itk_component(cutplane) -padx 2 -pady 2
	361
[2504]	362	if { [catch {
[5764]	363	BuildSurfaceTab
[2744]	364	BuildStreamsTab
	365	BuildCutplaneTab
	366	BuildAxisTab
	367	BuildCameraTab
[2504]	368	} errs] != 0 } {
[2744]	369	puts stderr errs=$errs
[2504]	370	}
	371	# Legend
	372
	373	set _image(legend) [image create photo]
	374	itk_component add legend {
[5006]	375	canvas $itk_component(plotarea).legend -width 50 -highlightthickness 0
[2504]	376	} {
	377	usual
	378	ignore -highlightthickness
	379	rename -background -plotbackground plotBackground Background
	380	}
	381
[5006]	382	# Hack around the Tk panewindow. The problem is that the requested
[2504]	383	# size of the 3d view isn't set until an image is retrieved from
	384	# the server. So the panewindow uses the tiny size.
	385	set w 10000
	386	pack forget $itk_component(view)
	387	blt::table $itk_component(plotarea) \
[5006]	388	0,0 $itk_component(view) -fill both -reqwidth $w
[2504]	389	blt::table configure $itk_component(plotarea) c1 -resize none
	390
	391	# Bindings for rotation via mouse
	392	bind $itk_component(view) <ButtonPress-1> \
	393	[itcl::code $this Rotate click %x %y]
	394	bind $itk_component(view) <B1-Motion> \
	395	[itcl::code $this Rotate drag %x %y]
	396	bind $itk_component(view) <ButtonRelease-1> \
	397	[itcl::code $this Rotate release %x %y]
	398
	399	# Bindings for panning via mouse
	400	bind $itk_component(view) <ButtonPress-2> \
	401	[itcl::code $this Pan click %x %y]
	402	bind $itk_component(view) <B2-Motion> \
	403	[itcl::code $this Pan drag %x %y]
	404	bind $itk_component(view) <ButtonRelease-2> \
	405	[itcl::code $this Pan release %x %y]
	406
[3443]	407	#bind $itk_component(view) <ButtonRelease-3> \
	408	# [itcl::code $this Pick %x %y]
[2504]	409
	410	# Bindings for panning via keyboard
	411	bind $itk_component(view) <KeyPress-Left> \
	412	[itcl::code $this Pan set -10 0]
	413	bind $itk_component(view) <KeyPress-Right> \
	414	[itcl::code $this Pan set 10 0]
	415	bind $itk_component(view) <KeyPress-Up> \
	416	[itcl::code $this Pan set 0 -10]
	417	bind $itk_component(view) <KeyPress-Down> \
	418	[itcl::code $this Pan set 0 10]
	419	bind $itk_component(view) <Shift-KeyPress-Left> \
	420	[itcl::code $this Pan set -2 0]
	421	bind $itk_component(view) <Shift-KeyPress-Right> \
	422	[itcl::code $this Pan set 2 0]
	423	bind $itk_component(view) <Shift-KeyPress-Up> \
	424	[itcl::code $this Pan set 0 -2]
	425	bind $itk_component(view) <Shift-KeyPress-Down> \
	426	[itcl::code $this Pan set 0 2]
	427
	428	# Bindings for zoom via keyboard
	429	bind $itk_component(view) <KeyPress-Prior> \
	430	[itcl::code $this Zoom out]
	431	bind $itk_component(view) <KeyPress-Next> \
	432	[itcl::code $this Zoom in]
	433
	434	bind $itk_component(view) <Enter> "focus $itk_component(view)"
	435
	436	if {[string equal "x11" [tk windowingsystem]]} {
	437	# Bindings for zoom via mouse
	438	bind $itk_component(view) <4> [itcl::code $this Zoom out]
	439	bind $itk_component(view) <5> [itcl::code $this Zoom in]
	440	}
	441
	442	set _image(download) [image create photo]
	443
	444	eval itk_initialize $args
	445	Connect
	446	}
	447
	448	# ----------------------------------------------------------------------
	449	# DESTRUCTOR
	450	# ----------------------------------------------------------------------
	451	itcl::body Rappture::VtkStreamlinesViewer::destructor {} {
	452	Disconnect
	453	image delete $_image(plot)
	454	image delete $_image(download)
	455	catch { blt::arcball destroy $_arcball }
	456	}
	457
	458	itcl::body Rappture::VtkStreamlinesViewer::DoResize {} {
	459	if { $_width < 2 } {
[2744]	460	set _width 500
[2504]	461	}
	462	if { $_height < 2 } {
[2744]	463	set _height 500
[2504]	464	}
	465	set _start [clock clicks -milliseconds]
	466	SendCmd "screen size $_width $_height"
[3438]	467
[2673]	468	set _legendPending 1
[2504]	469	set _resizePending 0
	470	}
	471
	472	itcl::body Rappture::VtkStreamlinesViewer::DoRotate {} {
[5006]	473	SendCmd "camera orient [ViewToQuaternion]"
[2504]	474	set _rotatePending 0
	475	}
	476
[2600]	477	itcl::body Rappture::VtkStreamlinesViewer::DoReseed {} {
	478	foreach dataset [CurrentDatasets -visible] {
[2744]	479	foreach {dataobj comp} [split $dataset -] break
	480	# This command works for either random or fmesh seeds
	481	SendCmd "streamlines seed numpts $_numSeeds $dataset"
[2600]	482	}
	483	set _reseedPending 0
	484	}
	485
[2504]	486	itcl::body Rappture::VtkStreamlinesViewer::EventuallyResize { w h } {
	487	set _width $w
	488	set _height $h
	489	$_arcball resize $w $h
	490	if { !$_resizePending } {
	491	set _resizePending 1
[2600]	492	$_dispatcher event -after 400 !resize
[2504]	493	}
	494	}
	495
[2600]	496	itcl::body Rappture::VtkStreamlinesViewer::EventuallyReseed { numPoints } {
	497	set _numSeeds $numPoints
	498	if { !$_reseedPending } {
	499	set _reseedPending 1
	500	$_dispatcher event -after 600 !reseed
	501	}
	502	}
	503
[2504]	504	set rotate_delay 100
	505
	506	itcl::body Rappture::VtkStreamlinesViewer::EventuallyRotate { q } {
[4765]	507	QuaternionToView $q
[2504]	508	if { !$_rotatePending } {
	509	set _rotatePending 1
[5006]	510	global rotate_delay
[2504]	511	$_dispatcher event -after $rotate_delay !rotate
	512	}
	513	}
	514
[2584]	515	itcl::body Rappture::VtkStreamlinesViewer::EventuallySetCutplane { axis args } {
	516	if { !$_cutplanePending } {
	517	set _cutplanePending 1
	518	$_dispatcher event -after 100 !${axis}cutplane
	519	}
	520	}
	521
[2504]	522	# ----------------------------------------------------------------------
	523	# USAGE: add <dataobj> ?<settings>?
	524	#
	525	# Clients use this to add a data object to the plot. The optional
	526	# <settings> are used to configure the plot. Allowed settings are
	527	# -color, -brightness, -width, -linestyle, and -raise.
	528	# ----------------------------------------------------------------------
	529	itcl::body Rappture::VtkStreamlinesViewer::add {dataobj {settings ""}} {
	530	array set params {
	531	-color auto
	532	-width 1
	533	-linestyle solid
	534	-brightness 0
	535	-raise 0
	536	-description ""
	537	-param ""
[2744]	538	-type ""
[2504]	539	}
	540	array set params $settings
	541	set params(-description) ""
	542	set params(-param) ""
[3799]	543	array set params $settings
	544
[2504]	545	if {$params(-color) == "auto" \|\| $params(-color) == "autoreset"} {
	546	# can't handle -autocolors yet
	547	set params(-color) black
	548	}
[3813]	549	set pos [lsearch -exact $_dlist $dataobj]
[2504]	550	if {$pos < 0} {
[2744]	551	lappend _dlist $dataobj
[2504]	552	}
	553	set _obj2ovride($dataobj-color) $params(-color)
	554	set _obj2ovride($dataobj-width) $params(-width)
	555	set _obj2ovride($dataobj-raise) $params(-raise)
	556	$_dispatcher event -idle !rebuild
	557	}
	558
	559
	560	# ----------------------------------------------------------------------
	561	# USAGE: delete ?<dataobj1> <dataobj2> ...?
	562	#
[6142]	563	# Clients use this to delete a dataobj from the plot. If no dataobjs
	564	# are specified, then all dataobjs are deleted. No data objects are
	565	# deleted. They are only removed from the display list.
[2504]	566	# ----------------------------------------------------------------------
	567	itcl::body Rappture::VtkStreamlinesViewer::delete {args} {
	568	if { [llength $args] == 0} {
	569	set args $_dlist
	570	}
	571	# Delete all specified dataobjs
	572	set changed 0
	573	foreach dataobj $args {
	574	set pos [lsearch -exact $_dlist $dataobj]
[2744]	575	if { $pos < 0 } {
	576	continue; # Don't know anything about it.
	577	}
	578	# Remove it from the dataobj list.
	579	set _dlist [lreplace $_dlist $pos $pos]
	580	array unset _obj2ovride $dataobj-*
	581	array unset _settings $dataobj-*
	582	set changed 1
[2504]	583	}
	584	# If anything changed, then rebuild the plot
	585	if { $changed } {
	586	$_dispatcher event -idle !rebuild
	587	}
	588	}
	589
	590	# ----------------------------------------------------------------------
	591	# USAGE: get ?-objects?
	592	# USAGE: get ?-visible?
	593	# USAGE: get ?-image view?
	594	#
	595	# Clients use this to query the list of objects being plotted, in
	596	# order from bottom to top of this result. The optional "-image"
	597	# flag can also request the internal images being shown.
	598	# ----------------------------------------------------------------------
	599	itcl::body Rappture::VtkStreamlinesViewer::get {args} {
	600	if {[llength $args] == 0} {
	601	set args "-objects"
	602	}
	603
	604	set op [lindex $args 0]
	605	switch -- $op {
[2744]	606	"-objects" {
	607	# put the dataobj list in order according to -raise options
	608	set dlist {}
	609	foreach dataobj $_dlist {
	610	if { ![IsValidObject $dataobj] } {
	611	continue
	612	}
[5006]	613	if {[info exists _obj2ovride($dataobj-raise)] &&
[2744]	614	$_obj2ovride($dataobj-raise)} {
	615	set dlist [linsert $dlist 0 $dataobj]
	616	} else {
	617	lappend dlist $dataobj
	618	}
	619	}
	620	return $dlist
	621	}
	622	"-visible" {
	623	set dlist {}
	624	foreach dataobj $_dlist {
	625	if { ![IsValidObject $dataobj] } {
	626	continue
	627	}
	628	if { ![info exists _obj2ovride($dataobj-raise)] } {
	629	# No setting indicates that the object isn't visible.
	630	continue
	631	}
	632	# Otherwise use the -raise parameter to put the object to
	633	# the front of the list.
	634	if { $_obj2ovride($dataobj-raise) } {
	635	set dlist [linsert $dlist 0 $dataobj]
	636	} else {
	637	lappend dlist $dataobj
	638	}
	639	}
	640	return $dlist
[5006]	641	}
[2744]	642	-image {
	643	if {[llength $args] != 2} {
	644	error "wrong # args: should be \"get -image view\""
	645	}
	646	switch -- [lindex $args end] {
	647	view {
	648	return $_image(plot)
	649	}
	650	default {
	651	error "bad image name \"[lindex $args end]\": should be view"
	652	}
	653	}
	654	}
	655	default {
	656	error "bad option \"$op\": should be -objects or -image"
	657	}
[2504]	658	}
	659	}
	660
	661	# ----------------------------------------------------------------------
	662	# USAGE: scale ?<data1> <data2> ...?
	663	#
	664	# Sets the default limits for the overall plot according to the
	665	# limits of the data for all of the given <data> objects. This
	666	# accounts for all objects--even those not showing on the screen.
	667	# Because of this, the limits are appropriate for all objects as
	668	# the user scans through data in the ResultSet viewer.
	669	# ----------------------------------------------------------------------
	670	itcl::body Rappture::VtkStreamlinesViewer::scale {args} {
	671	foreach dataobj $args {
[3431]	672	foreach axis { x y z } {
	673	set lim [$dataobj limits $axis]
	674	if { ![info exists _limits($axis)] } {
	675	set _limits($axis) $lim
	676	continue
	677	}
	678	foreach {min max} $lim break
	679	foreach {amin amax} $_limits($axis) break
	680	if { $amin > $min } {
	681	set amin $min
	682	}
	683	if { $amax < $max } {
	684	set amax $max
	685	}
	686	set _limits($axis) [list $amin $amax]
[2744]	687	}
[3431]	688	foreach { fname lim } [$dataobj fieldlimits] {
	689	if { ![info exists _limits($fname)] } {
	690	set _limits($fname) $lim
	691	continue
	692	}
	693	foreach {min max} $lim break
	694	foreach {fmin fmax} $_limits($fname) break
	695	if { $fmin > $min } {
	696	set fmin $min
	697	}
	698	if { $fmax < $max } {
	699	set fmax $max
	700	}
	701	set _limits($fname) [list $fmin $fmax]
[2744]	702	}
[2504]	703	}
	704	}
	705
	706	# ----------------------------------------------------------------------
	707	# USAGE: download coming
	708	# USAGE: download controls <downloadCommand>
	709	# USAGE: download now
	710	#
	711	# Clients use this method to create a downloadable representation
	712	# of the plot. Returns a list of the form {ext string}, where
	713	# "ext" is the file extension (indicating the type of data) and
	714	# "string" is the data itself.
	715	# ----------------------------------------------------------------------
	716	itcl::body Rappture::VtkStreamlinesViewer::download {option args} {
	717	switch $option {
	718	coming {
	719	if {[catch {
	720	blt::winop snap $itk_component(plotarea) $_image(download)
	721	}]} {
	722	$_image(download) configure -width 1 -height 1
	723	$_image(download) put #000000
	724	}
	725	}
	726	controls {
	727	set popup .vtkviewerdownload
	728	if { ![winfo exists .vtkviewerdownload] } {
	729	set inner [BuildDownloadPopup $popup [lindex $args 0]]
	730	} else {
	731	set inner [$popup component inner]
	732	}
	733	set _downloadPopup(image_controls) $inner.image_frame
	734	set num [llength [get]]
	735	set num [expr {($num == 1) ? "1 result" : "$num results"}]
	736	set word [Rappture::filexfer::label downloadWord]
	737	$inner.summary configure -text "$word $num in the following format:"
[2744]	738	update idletasks ;# Fix initial sizes
[2504]	739	return $popup
	740	}
	741	now {
	742	set popup .vtkviewerdownload
	743	if {[winfo exists .vtkviewerdownload]} {
	744	$popup deactivate
	745	}
	746	switch -- $_downloadPopup(format) {
	747	"image" {
	748	return [$this GetImage [lindex $args 0]]
	749	}
	750	"vtk" {
	751	return [$this GetVtkData [lindex $args 0]]
	752	}
	753	}
	754	return ""
	755	}
	756	default {
	757	error "bad option \"$option\": should be coming, controls, now"
	758	}
	759	}
	760	}
	761
	762	# ----------------------------------------------------------------------
	763	# USAGE: Connect ?<host:port>,<host:port>...?
	764	#
	765	# Clients use this method to establish a connection to a new
	766	# server, or to reestablish a connection to the previous server.
	767	# Any existing connection is automatically closed.
	768	# ----------------------------------------------------------------------
	769	itcl::body Rappture::VtkStreamlinesViewer::Connect {} {
	770	set _hosts [GetServerList "vtkvis"]
	771	if { "" == $_hosts } {
	772	return 0
	773	}
[5156]	774	set _reset 1
[2504]	775	set result [VisViewer::Connect $_hosts]
	776	if { $result } {
[3592]	777	if { $_reportClientInfo } {
	778	# Tell the server the viewer, hub, user and session.
[4075]	779	# Do this immediately on connect before buffering any commands
[3592]	780	global env
	781
	782	set info {}
	783	set user "???"
[5006]	784	if { [info exists env(USER)] } {
[3592]	785	set user $env(USER)
[5006]	786	}
[3592]	787	set session "???"
[5006]	788	if { [info exists env(SESSION)] } {
[3592]	789	set session $env(SESSION)
[5006]	790	}
[4669]	791	lappend info "version" "$Rappture::version"
	792	lappend info "build" "$Rappture::build"
	793	lappend info "svnurl" "$Rappture::svnurl"
	794	lappend info "installdir" "$Rappture::installdir"
[3592]	795	lappend info "hub" [exec hostname]
	796	lappend info "client" "vtkstreamlinesviewer"
	797	lappend info "user" $user
	798	lappend info "session" $session
	799	SendCmd "clientinfo [list $info]"
	800	}
	801
[2504]	802	set w [winfo width $itk_component(view)]
	803	set h [winfo height $itk_component(view)]
	804	EventuallyResize $w $h
	805	}
	806	return $result
	807	}
	808
	809	#
	810	# isconnected --
	811	#
	812	# Indicates if we are currently connected to the visualization server.
	813	#
	814	itcl::body Rappture::VtkStreamlinesViewer::isconnected {} {
	815	return [VisViewer::IsConnected]
	816	}
	817
	818	#
	819	# disconnect --
	820	#
	821	itcl::body Rappture::VtkStreamlinesViewer::disconnect {} {
	822	Disconnect
	823	set _reset 1
	824	}
	825
	826	#
	827	# Disconnect --
	828	#
	829	# Clients use this method to disconnect from the current rendering
	830	# server.
	831	#
	832	itcl::body Rappture::VtkStreamlinesViewer::Disconnect {} {
	833	VisViewer::Disconnect
	834
[2652]	835	$_dispatcher cancel !rebuild
	836	$_dispatcher cancel !resize
	837	$_dispatcher cancel !reseed
	838	$_dispatcher cancel !rotate
	839	$_dispatcher cancel !xcutplane
	840	$_dispatcher cancel !ycutplane
	841	$_dispatcher cancel !zcutplane
	842	$_dispatcher cancel !legend
[2504]	843	# disconnected -- no more data sitting on server
[5006]	844	array unset _datasets
	845	array unset _colormaps
	846	array unset _seeds
[2504]	847	}
	848
	849	# ----------------------------------------------------------------------
	850	# USAGE: ReceiveImage -bytes <size> -type <type> -token <token>
	851	#
	852	# Invoked automatically whenever the "image" command comes in from
	853	# the rendering server. Indicates that binary image data with the
	854	# specified <size> will follow.
	855	# ----------------------------------------------------------------------
	856	itcl::body Rappture::VtkStreamlinesViewer::ReceiveImage { args } {
	857	array set info {
	858	-token "???"
	859	-bytes 0
	860	-type image
	861	}
	862	array set info $args
	863	set bytes [ReceiveBytes $info(-bytes)]
	864	if { $info(-type) == "image" } {
[2744]	865	if 0 {
[4767]	866	set f [open "last.ppm" "w"]
	867	fconfigure $f -encoding binary
	868	puts -nonewline $f $bytes
[2744]	869	close $f
	870	}
[2504]	871	$_image(plot) configure -data $bytes
[2744]	872	set time [clock seconds]
	873	set date [clock format $time]
[5006]	874	#puts stderr "$date: received image [image width $_image(plot)]x[image height $_image(plot)] image>"
[2744]	875	if { $_start > 0 } {
	876	set finish [clock clicks -milliseconds]
	877	#puts stderr "round trip time [expr $finish -$_start] milliseconds"
	878	set _start 0
	879	}
[2504]	880	} elseif { $info(type) == "print" } {
	881	set tag $this-print-$info(-token)
	882	set _hardcopy($tag) $bytes
	883	}
[2652]	884	if { $_legendPending } {
[2744]	885	RequestLegend
[2652]	886	}
[2504]	887	}
	888
	889	#
	890	# ReceiveDataset --
	891	#
	892	itcl::body Rappture::VtkStreamlinesViewer::ReceiveDataset { args } {
	893	if { ![isconnected] } {
	894	return
	895	}
	896	set option [lindex $args 0]
	897	switch -- $option {
[2744]	898	"scalar" {
	899	set option [lindex $args 1]
	900	switch -- $option {
	901	"world" {
	902	foreach { x y z value tag } [lrange $args 2 end] break
	903	}
	904	"pixel" {
	905	foreach { x y value tag } [lrange $args 2 end] break
	906	}
	907	}
	908	}
	909	"vector" {
	910	set option [lindex $args 1]
	911	switch -- $option {
	912	"world" {
	913	foreach { x y z vx vy vz tag } [lrange $args 2 end] break
	914	}
	915	"pixel" {
	916	foreach { x y vx vy vz tag } [lrange $args 2 end] break
	917	}
	918	}
	919	}
	920	"names" {
[2504]	921	foreach { name } [lindex $args 1] {
	922	#puts stderr "Dataset: $name"
	923	}
[2744]	924	}
	925	default {
	926	error "unknown dataset option \"$option\" from server"
	927	}
[2504]	928	}
	929	}
	930
	931	# ----------------------------------------------------------------------
	932	# USAGE: Rebuild
	933	#
	934	# Called automatically whenever something changes that affects the
	935	# data in the widget. Clears any existing data and rebuilds the
	936	# widget to display new data.
	937	# ----------------------------------------------------------------------
	938	itcl::body Rappture::VtkStreamlinesViewer::Rebuild {} {
	939	set w [winfo width $itk_component(view)]
	940	set h [winfo height $itk_component(view)]
	941	if { $w < 2 \|\| $h < 2 } {
[5092]	942	update
[2744]	943	$_dispatcher event -idle !rebuild
	944	return
[2504]	945	}
	946
	947	# Turn on buffering of commands to the server. We don't want to
	948	# be preempted by a server disconnect/reconnect (which automatically
[3418]	949	# generates a new call to Rebuild).
[3421]	950	StartBufferingCommands
	951	set _legendPending 1
[3330]	952
	953	set _first ""
	954	if { $_reset } {
[5006]	955	set _width $w
	956	set _height $h
	957	$_arcball resize $w $h
	958	DoResize
	959	InitSettings -xgrid -ygrid -zgrid -axismode \
	960	-axesvisible -axislabelsvisible -axisminorticks
[3400]	961	# This "imgflush" is to force an image returned before vtkvis starts
	962	# reading a (big) dataset. This will display an empty plot with axes
	963	# at the correct image size.
	964	SendCmd "imgflush"
[2504]	965	}
	966
	967	set _first ""
[3400]	968	SendCmd "dataset visible 0"
[2504]	969	foreach dataobj [get -objects] {
[2744]	970	if { [info exists _obj2ovride($dataobj-raise)] && $_first == "" } {
	971	set _first $dataobj
	972	}
[2504]	973	foreach comp [$dataobj components] {
	974	set tag $dataobj-$comp
	975	if { ![info exists _datasets($tag)] } {
[3330]	976	set bytes [$dataobj vtkdata $comp]
[2504]	977	set length [string length $bytes]
[5006]	978	if 0 {
[3405]	979	set f [open /tmp/vtkstreamlines.vtk "w"]
	980	fconfigure $f -translation binary -encoding binary
[4767]	981	puts -nonewline $f $bytes
[3405]	982	close $f
[5006]	983	}
[3421]	984	if { $_reportClientInfo } {
[3392]	985	set info {}
[4749]	986	lappend info "tool_id" [$dataobj hints toolid]
	987	lappend info "tool_name" [$dataobj hints toolname]
	988	lappend info "tool_title" [$dataobj hints tooltitle]
	989	lappend info "tool_command" [$dataobj hints toolcommand]
	990	lappend info "tool_revision" [$dataobj hints toolrevision]
[3392]	991	lappend info "dataset_label" [$dataobj hints label]
	992	lappend info "dataset_size" $length
[3394]	993	lappend info "dataset_tag" $tag
[3392]	994	SendCmd "clientinfo [list $info]"
	995	}
[3421]	996	SendCmd "dataset add $tag data follows $length"
[5134]	997	SendData $bytes
[2504]	998	set _datasets($tag) 1
[2744]	999	SetObjectStyle $dataobj $comp
	1000	}
	1001	if { [info exists _obj2ovride($dataobj-raise)] } {
	1002	SendCmd "dataset visible 1 $tag"
	1003	}
[2504]	1004	}
	1005	}
	1006	if {"" != $_first} {
[2744]	1007	foreach axis { x y z } {
	1008	set label [$_first hints ${axis}label]
	1009	if { $label != "" } {
[4199]	1010	SendCmd [list axis name $axis $label]
[2744]	1011	}
	1012	set units [$_first hints ${axis}units]
	1013	if { $units != "" } {
[4199]	1014	SendCmd [list axis units $axis $units]
[2744]	1015	}
	1016	}
[5006]	1017	$itk_component(field) choices delete 0 end
	1018	$itk_component(fieldmenu) delete 0 end
	1019	array unset _fields
[3421]	1020	set _curFldName ""
[5764]	1021	set _curFldLabel ""
[3405]	1022	foreach cname [$_first components] {
	1023	foreach fname [$_first fieldnames $cname] {
	1024	if { [info exists _fields($fname)] } {
	1025	continue
	1026	}
	1027	foreach { label units components } \
	1028	[$_first fieldinfo $fname] break
	1029	$itk_component(field) choices insert end "$fname" "$label"
	1030	$itk_component(fieldmenu) add radiobutton -label "$label" \
	1031	-value $label -variable [itcl::scope _curFldLabel] \
	1032	-selectcolor red \
	1033	-activebackground $itk_option(-plotbackground) \
	1034	-activeforeground $itk_option(-plotforeground) \
	1035	-font "Arial 8" \
	1036	-command [itcl::code $this Combo invoke]
	1037	set _fields($fname) [list $label $units $components]
[5764]	1038	if { $_curFldName == "" && $components == 3 } {
[3421]	1039	set _curFldName $fname
	1040	set _curFldLabel $label
	1041	}
[3405]	1042	}
	1043	}
	1044	$itk_component(field) value $_curFldLabel
[2504]	1045	}
[2601]	1046
[2605]	1047	if { $_reset } {
[4771]	1048	InitSettings -streamlinesseedsvisible -streamlinesopacity \
[5386]	1049	-streamlinesvisible \
[4771]	1050	-streamlineslighting \
	1051	-streamlinescolormap -field \
[5764]	1052	-surfacevisible -surfaceedges -surfacelighting -surfaceopacity \
	1053	-surfacewireframe \
[5006]	1054	-cutplanevisible \
	1055	-cutplanexposition -cutplaneyposition -cutplanezposition \
	1056	-cutplanexvisible -cutplaneyvisible -cutplanezvisible
[3400]	1057
[5006]	1058	# Reset the camera and other view parameters
	1059	$_arcball quaternion [ViewToQuaternion]
	1060	if {$_view(-ortho)} {
	1061	SendCmd "camera mode ortho"
	1062	} else {
	1063	SendCmd "camera mode persp"
	1064	}
	1065	DoRotate
	1066	PanCamera
[2744]	1067	Zoom reset
[3394]	1068	SendCmd "camera reset"
[2744]	1069	set _reset 0
[2592]	1070	}
[2504]	1071	# Actually write the commands to the server socket. If it fails, we don't
	1072	# care. We're finished here.
	1073	blt::busy hold $itk_component(hull)
[3421]	1074	StopBufferingCommands
[2504]	1075	blt::busy release $itk_component(hull)
	1076	}
	1077
	1078	# ----------------------------------------------------------------------
	1079	# USAGE: CurrentDatasets ?-all -visible? ?dataobjs?
	1080	#
	1081	# Returns a list of server IDs for the current datasets being displayed. This
	1082	# is normally a single ID, but it might be a list of IDs if the current data
	1083	# object has multiple components.
	1084	# ----------------------------------------------------------------------
	1085	itcl::body Rappture::VtkStreamlinesViewer::CurrentDatasets {args} {
	1086	set flag [lindex $args 0]
[5006]	1087	switch -- $flag {
[2744]	1088	"-all" {
	1089	if { [llength $args] > 1 } {
	1090	error "CurrentDatasets: can't specify dataobj after \"-all\""
	1091	}
	1092	set dlist [get -objects]
	1093	}
	1094	"-visible" {
	1095	if { [llength $args] > 1 } {
	1096	set dlist {}
	1097	set args [lrange $args 1 end]
	1098	foreach dataobj $args {
	1099	if { [info exists _obj2ovride($dataobj-raise)] } {
	1100	lappend dlist $dataobj
	1101	}
	1102	}
	1103	} else {
	1104	set dlist [get -visible]
	1105	}
[5006]	1106	}
[2744]	1107	default {
	1108	set dlist $args
	1109	}
[2504]	1110	}
	1111	set rlist ""
	1112	foreach dataobj $dlist {
[2744]	1113	foreach comp [$dataobj components] {
	1114	set tag $dataobj-$comp
	1115	if { [info exists _datasets($tag)] && $_datasets($tag) } {
	1116	lappend rlist $tag
	1117	}
	1118	}
[2504]	1119	}
	1120	return $rlist
	1121	}
	1122
	1123	# ----------------------------------------------------------------------
	1124	# USAGE: Zoom in
	1125	# USAGE: Zoom out
	1126	# USAGE: Zoom reset
	1127	#
	1128	# Called automatically when the user clicks on one of the zoom
	1129	# controls for this widget. Changes the zoom for the current view.
	1130	# ----------------------------------------------------------------------
	1131	itcl::body Rappture::VtkStreamlinesViewer::Zoom {option} {
	1132	switch -- $option {
	1133	"in" {
[4765]	1134	set _view(-zoom) [expr {$_view(-zoom)*1.25}]
	1135	SendCmd "camera zoom $_view(-zoom)"
[2504]	1136	}
	1137	"out" {
[4765]	1138	set _view(-zoom) [expr {$_view(-zoom)*0.8}]
	1139	SendCmd "camera zoom $_view(-zoom)"
[2504]	1140	}
	1141	"reset" {
	1142	array set _view {
[4765]	1143	-qw 0.853553
	1144	-qx -0.353553
	1145	-qy 0.353553
	1146	-qz 0.146447
	1147	-xpan 0
	1148	-ypan 0
	1149	-zoom 1.0
[2504]	1150	}
	1151	if { $_first != "" } {
	1152	set location [$_first hints camera]
	1153	if { $location != "" } {
	1154	array set _view $location
	1155	}
	1156	}
[4765]	1157	$_arcball quaternion [ViewToQuaternion]
[2744]	1158	DoRotate
[3550]	1159	SendCmd "camera reset"
[2504]	1160	}
	1161	}
	1162	}
	1163
	1164	itcl::body Rappture::VtkStreamlinesViewer::PanCamera {} {
[4765]	1165	set x $_view(-xpan)
	1166	set y $_view(-ypan)
[2504]	1167	SendCmd "camera pan $x $y"
	1168	}
	1169
	1170	# ----------------------------------------------------------------------
	1171	# USAGE: Rotate click <x> <y>
	1172	# USAGE: Rotate drag <x> <y>
	1173	# USAGE: Rotate release <x> <y>
	1174	#
	1175	# Called automatically when the user clicks/drags/releases in the
	1176	# plot area. Moves the plot according to the user's actions.
	1177	# ----------------------------------------------------------------------
	1178	itcl::body Rappture::VtkStreamlinesViewer::Rotate {option x y} {
	1179	switch -- $option {
	1180	"click" {
	1181	$itk_component(view) configure -cursor fleur
	1182	set _click(x) $x
	1183	set _click(y) $y
	1184	}
	1185	"drag" {
	1186	if {[array size _click] == 0} {
	1187	Rotate click $x $y
	1188	} else {
	1189	set w [winfo width $itk_component(view)]
	1190	set h [winfo height $itk_component(view)]
	1191	if {$w <= 0 \|\| $h <= 0} {
	1192	return
	1193	}
	1194
	1195	if {[catch {
	1196	# this fails sometimes for no apparent reason
	1197	set dx [expr {double($x-$_click(x))/$w}]
	1198	set dy [expr {double($y-$_click(y))/$h}]
	1199	}]} {
	1200	return
	1201	}
[2744]	1202	if { $dx == 0 && $dy == 0 } {
	1203	return
	1204	}
	1205	set q [$_arcball rotate $x $y $_click(x) $_click(y)]
	1206	EventuallyRotate $q
[2504]	1207	set _click(x) $x
	1208	set _click(y) $y
	1209	}
	1210	}
	1211	"release" {
	1212	Rotate drag $x $y
	1213	$itk_component(view) configure -cursor ""
	1214	catch {unset _click}
	1215	}
	1216	default {
	1217	error "bad option \"$option\": should be click, drag, release"
	1218	}
	1219	}
	1220	}
	1221
	1222	itcl::body Rappture::VtkStreamlinesViewer::Pick {x y} {
	1223	foreach tag [CurrentDatasets -visible] {
[5068]	1224	SendCmd "dataset getscalar pixel $x $y $tag"
[5006]	1225	}
[2504]	1226	}
	1227
	1228	# ----------------------------------------------------------------------
	1229	# USAGE: $this Pan click x y
	1230	# $this Pan drag x y
	1231	# $this Pan release x y
	1232	#
	1233	# Called automatically when the user clicks on one of the zoom
	1234	# controls for this widget. Changes the zoom for the current view.
	1235	# ----------------------------------------------------------------------
	1236	itcl::body Rappture::VtkStreamlinesViewer::Pan {option x y} {
	1237	switch -- $option {
[2744]	1238	"set" {
	1239	set w [winfo width $itk_component(view)]
	1240	set h [winfo height $itk_component(view)]
	1241	set x [expr $x / double($w)]
	1242	set y [expr $y / double($h)]
[4765]	1243	set _view(-xpan) [expr $_view(-xpan) + $x]
	1244	set _view(-ypan) [expr $_view(-ypan) + $y]
[2744]	1245	PanCamera
	1246	return
	1247	}
	1248	"click" {
	1249	set _click(x) $x
	1250	set _click(y) $y
	1251	$itk_component(view) configure -cursor hand1
	1252	}
	1253	"drag" {
	1254	if { ![info exists _click(x)] } {
	1255	set _click(x) $x
	1256	}
	1257	if { ![info exists _click(y)] } {
	1258	set _click(y) $y
	1259	}
	1260	set w [winfo width $itk_component(view)]
	1261	set h [winfo height $itk_component(view)]
	1262	set dx [expr ($_click(x) - $x)/double($w)]
	1263	set dy [expr ($_click(y) - $y)/double($h)]
	1264	set _click(x) $x
	1265	set _click(y) $y
[4765]	1266	set _view(-xpan) [expr $_view(-xpan) - $dx]
	1267	set _view(-ypan) [expr $_view(-ypan) - $dy]
[2744]	1268	PanCamera
	1269	}
	1270	"release" {
	1271	Pan drag $x $y
	1272	$itk_component(view) configure -cursor ""
	1273	}
	1274	default {
	1275	error "unknown option \"$option\": should set, click, drag, or release"
	1276	}
[2504]	1277	}
	1278	}
	1279
	1280	# ----------------------------------------------------------------------
[2600]	1281	# USAGE: InitSettings <what> ?<value>?
[2504]	1282	#
	1283	# Used internally to update rendering settings whenever parameters
	1284	# change in the popup settings panel. Sends the new settings off
	1285	# to the back end.
	1286	# ----------------------------------------------------------------------
[2600]	1287	itcl::body Rappture::VtkStreamlinesViewer::InitSettings { args } {
	1288	foreach spec $args {
[4771]	1289	if { [info exists _settings($_first${spec})] } {
[2744]	1290	# Reset global setting with dataobj specific setting
[4771]	1291	set _settings($spec) $_settings($_first${spec})
[2744]	1292	}
	1293	AdjustSetting $spec
[2504]	1294	}
	1295	}
	1296
	1297	#
	1298	# AdjustSetting --
	1299	#
[2744]	1300	# Changes/updates a specific setting in the widget. There are
	1301	# usually user-setable option. Commands are sent to the render
	1302	# server.
[2504]	1303	#
	1304	itcl::body Rappture::VtkStreamlinesViewer::AdjustSetting {what {value ""}} {
	1305	if { ![isconnected] } {
[2744]	1306	return
[2504]	1307	}
	1308	switch -- $what {
[4771]	1309	"-axesvisible" {
[4679]	1310	set bool $_settings($what)
[2744]	1311	SendCmd "axis visible all $bool"
[2504]	1312	}
[4771]	1313	"-axislabelsvisible" {
[4679]	1314	set bool $_settings($what)
[2744]	1315	SendCmd "axis labels all $bool"
[2504]	1316	}
[4771]	1317	"-axisminorticks" {
[4679]	1318	set bool $_settings($what)
	1319	SendCmd "axis minticks all $bool"
	1320	}
[4771]	1321	"-axismode" {
[2744]	1322	set mode [$itk_component(axismode) value]
	1323	set mode [$itk_component(axismode) translate $mode]
	1324	set _settings($what) $mode
	1325	SendCmd "axis flymode $mode"
[2504]	1326	}
[4771]	1327	"-cutplaneedges" {
[2744]	1328	set bool $_settings($what)
[3400]	1329	SendCmd "cutplane edges $bool"
[2587]	1330	}
[4771]	1331	"-cutplanevisible" {
[2744]	1332	set bool $_settings($what)
[3400]	1333	SendCmd "cutplane visible $bool"
[5764]	1334	if { $bool } {
	1335	Rappture::Tooltip::for $itk_component(cutplane) \
	1336	"Hide the cutplanes"
	1337	} else {
	1338	Rappture::Tooltip::for $itk_component(cutplane) \
	1339	"Show the cutplanes"
	1340	}
[2587]	1341	}
[4771]	1342	"-cutplanewireframe" {
[2744]	1343	set bool $_settings($what)
[3400]	1344	SendCmd "cutplane wireframe $bool"
[2587]	1345	}
[4771]	1346	"-cutplanelighting" {
[2744]	1347	set bool $_settings($what)
[3400]	1348	SendCmd "cutplane lighting $bool"
[2587]	1349	}
[4771]	1350	"-cutplaneopacity" {
[2744]	1351	set val $_settings($what)
	1352	set sval [expr { 0.01 * double($val) }]
[3400]	1353	SendCmd "cutplane opacity $sval"
[2587]	1354	}
[4771]	1355	"-cutplanexvisible" - "-cutplaneyvisible" - "-cutplanezvisible" {
	1356	set axis [string range $what 9 9]
[2744]	1357	set bool $_settings($what)
[2504]	1358	if { $bool } {
	1359	$itk_component(${axis}CutScale) configure -state normal \
	1360	-troughcolor white
	1361	} else {
	1362	$itk_component(${axis}CutScale) configure -state disabled \
	1363	-troughcolor grey82
	1364	}
[3400]	1365	SendCmd "cutplane axis $axis $bool"
[2744]	1366	}
[4771]	1367	"-cutplanexposition" - "-cutplaneyposition" - "-cutplanezposition" {
	1368	set axis [string range $what 9 9]
[2744]	1369	set pos [expr $_settings($what) * 0.01]
[3400]	1370	SendCmd "cutplane slice ${axis} ${pos}"
[2744]	1371	set _cutplanePending 0
	1372	}
[4771]	1373	"-field" {
	1374	set label [$itk_component(field) value]
	1375	set fname [$itk_component(field) translate $label]
	1376	set _settings($what) $fname
	1377	if { [info exists _fields($fname)] } {
	1378	foreach { label units components } $_fields($fname) break
	1379	if { $components > 1 } {
	1380	set _colorMode vmag
	1381	} else {
	1382	set _colorMode scalar
	1383	}
	1384	set _curFldName $fname
	1385	set _curFldLabel $label
	1386	} else {
	1387	puts stderr "unknown field \"$fname\""
	1388	return
	1389	}
	1390	# Get the new limits because the field changed.
	1391	if { ![info exists _limits($_curFldName)] } {
	1392	SendCmd "dataset maprange all"
	1393	} else {
	1394	SendCmd "dataset maprange explicit $_limits($_curFldName) $_curFldName"
	1395	}
	1396	SendCmd "streamlines colormode $_colorMode $_curFldName"
	1397	SendCmd "cutplane colormode $_colorMode $_curFldName"
	1398	DrawLegend
	1399	}
	1400	"-streamlinesseedsvisible" {
[2744]	1401	set bool $_settings($what)
[3400]	1402	SendCmd "streamlines seed visible $bool"
[2504]	1403	}
[4771]	1404	"-streamlinesnumseeds" {
[2744]	1405	set density $_settings($what)
	1406	EventuallyReseed $density
[2579]	1407	}
[4771]	1408	"-streamlinesvisible" {
[2744]	1409	set bool $_settings($what)
[3400]	1410	SendCmd "streamlines visible $bool"
[2744]	1411	if { $bool } {
	1412	Rappture::Tooltip::for $itk_component(streamlines) \
	1413	"Hide the streamlines"
	1414	} else {
	1415	Rappture::Tooltip::for $itk_component(streamlines) \
	1416	"Show the streamlines"
	1417	}
[2504]	1418	}
[4771]	1419	"-streamlinesmode" {
[2744]	1420	set mode [$itk_component(streammode) value]
[4771]	1421	set _settings($what) $mode
[3400]	1422	switch -- $mode {
	1423	"lines" {
	1424	SendCmd "streamlines lines"
[2744]	1425	}
[3400]	1426	"ribbons" {
	1427	SendCmd "streamlines ribbons 3 0"
	1428	}
	1429	"tubes" {
	1430	SendCmd "streamlines tubes 5 3"
	1431	}
[2504]	1432	}
	1433	}
[4771]	1434	"-streamlinescolormap" {
[3442]	1435	set colormap [$itk_component(colormap) value]
[4771]	1436	set _settings($what) $colormap
[5770]	1437	SetCurrentColormap $colormap
[2744]	1438	set _legendPending 1
[2586]	1439	}
[4771]	1440	"-streamlinesopacity" {
[4679]	1441	set val $_settings($what)
[2744]	1442	set sval [expr { 0.01 * double($val) }]
[3400]	1443	SendCmd "streamlines opacity $sval"
[2504]	1444	}
[5764]	1445	"-streamlineslength" {
[4679]	1446	set val $_settings($what)
[5764]	1447	set sval [expr { (0.01 * double($val)) / 0.7 }]
	1448	foreach axis {x y z} {
	1449	foreach {min max} $_limits($axis) break
	1450	set ${axis}len [expr double($max) - double($min)]
	1451	}
	1452	set length [expr { $sval * ($xlen + $ylen + $zlen) } ]
	1453	SendCmd "streamlines length $length"
[2579]	1454	}
[4771]	1455	"-streamlineslighting" {
[4679]	1456	set bool $_settings($what)
[3400]	1457	SendCmd "streamlines lighting $bool"
[2579]	1458	}
[5764]	1459	"-surfaceopacity" {
[4771]	1460	set val $_settings($what)
	1461	set sval [expr { 0.01 * double($val) }]
	1462	SendCmd "polydata opacity $sval"
	1463	}
[5764]	1464	"-surfacewireframe" {
[4771]	1465	set bool $_settings($what)
	1466	SendCmd "polydata wireframe $bool"
	1467	}
[5764]	1468	"-surfacevisible" {
[4771]	1469	set bool $_settings($what)
	1470	SendCmd "polydata visible $bool"
	1471	if { $bool } {
[5764]	1472	Rappture::Tooltip::for $itk_component(surface) \
	1473	"Hide the boundary surface"
[2744]	1474	} else {
[5764]	1475	Rappture::Tooltip::for $itk_component(surface) \
	1476	"Show the boundary surface"
[2584]	1477	}
	1478	}
[5764]	1479	"-surfacelighting" {
[4771]	1480	set bool $_settings($what)
	1481	SendCmd "polydata lighting $bool"
	1482	}
[5764]	1483	"-surfaceedges" {
[4771]	1484	set bool $_settings($what)
	1485	SendCmd "polydata edges $bool"
	1486	}
	1487	"-xgrid" - "-ygrid" - "-zgrid" {
	1488	set axis [string range $what 1 1]
	1489	set bool $_settings($what)
	1490	SendCmd "axis grid $axis $bool"
	1491	}
[2504]	1492	default {
	1493	error "don't know how to fix $what"
	1494	}
	1495	}
	1496	}
	1497
	1498	#
	1499	# RequestLegend --
	1500	#
[2744]	1501	# Request a new legend from the server. The size of the legend
	1502	# is determined from the height of the canvas. It will be rotated
	1503	# to be vertical when drawn.
[2504]	1504	#
[2587]	1505	itcl::body Rappture::VtkStreamlinesViewer::RequestLegend {} {
[2504]	1506	set font "Arial 8"
	1507	set lineht [font metrics $font -linespace]
	1508	set w 12
[2584]	1509	set h [expr {$_height - 3 * ($lineht + 2)}]
[3899]	1510	if { $h < 1 } {
[2744]	1511	return
[2504]	1512	}
	1513	# Set the legend on the first streamlines dataset.
[5770]	1514	if { $_currentColormap != "" } {
	1515	set cmap $_currentColormap
	1516	if { ![info exists _colormaps($cmap)] } {
	1517	BuildColormap $cmap
	1518	set _colormaps($cmap) 1
[2504]	1519	}
[5770]	1520	#SendCmd "legend $cmap $_colorMode $_curFldName {} $w $h 0"
	1521	SendCmd "legend2 $cmap $w $h"
[2504]	1522	}
	1523	}
	1524
	1525	#
[5770]	1526	# SetCurrentColormap --
[2586]	1527	#
[5770]	1528	itcl::body Rappture::VtkStreamlinesViewer::SetCurrentColormap { name } {
	1529	# Keep track of the colormaps that we build.
[2586]	1530	if { ![info exists _colormaps($name)] } {
[5770]	1531	BuildColormap $name
[2744]	1532	set _colormaps($name) 1
[2504]	1533	}
[5770]	1534	set _currentColormap $name
	1535	SendCmd "streamlines colormap $_currentColormap"
	1536	SendCmd "cutplane colormap $_currentColormap"
[2504]	1537	}
	1538
[2585]	1539	#
	1540	# BuildColormap --
	1541	#
[5770]	1542	itcl::body Rappture::VtkStreamlinesViewer::BuildColormap { name } {
	1543	set cmap [ColorsToColormap $name]
[2504]	1544	if { [llength $cmap] == 0 } {
[2744]	1545	set cmap "0.0 0.0 0.0 0.0 1.0 1.0 1.0 1.0"
[2504]	1546	}
[5184]	1547	set amap "0.0 1.0 1.0 1.0"
	1548	SendCmd "colormap add $name { $cmap } { $amap }"
[2504]	1549	}
	1550
	1551	# ----------------------------------------------------------------------
	1552	# CONFIGURATION OPTION: -plotbackground
	1553	# ----------------------------------------------------------------------
	1554	itcl::configbody Rappture::VtkStreamlinesViewer::plotbackground {
	1555	if { [isconnected] } {
[4765]	1556	set rgb [Color2RGB $itk_option(-plotbackground)]
	1557	SendCmd "screen bgcolor $rgb"
[2504]	1558	}
	1559	}
	1560
	1561	# ----------------------------------------------------------------------
	1562	# CONFIGURATION OPTION: -plotforeground
	1563	# ----------------------------------------------------------------------
	1564	itcl::configbody Rappture::VtkStreamlinesViewer::plotforeground {
	1565	if { [isconnected] } {
[4765]	1566	set rgb [Color2RGB $itk_option(-plotforeground)]
	1567	SendCmd "axis color all $rgb"
	1568	SendCmd "outline color $rgb"
	1569	SendCmd "cutplane color $rgb"
[2504]	1570	}
	1571	}
	1572
[5764]	1573	itcl::body Rappture::VtkStreamlinesViewer::BuildSurfaceTab {} {
[2504]	1574
	1575	set fg [option get $itk_component(hull) font Font]
	1576	#set bfg [option get $itk_component(hull) boldFont Font]
	1577
	1578	set inner [$itk_component(main) insert end \
[5764]	1579	-title "Boundary Surface Settings" \
[2504]	1580	-icon [Rappture::icon volume-on]]
	1581	$inner configure -borderwidth 4
	1582
[5764]	1583	checkbutton $inner.surface \
	1584	-text "Show Surface" \
	1585	-variable [itcl::scope _settings(-surfacevisible)] \
	1586	-command [itcl::code $this AdjustSetting -surfacevisible] \
[2504]	1587	-font "Arial 9"
	1588
	1589	checkbutton $inner.wireframe \
	1590	-text "Show Wireframe" \
[5764]	1591	-variable [itcl::scope _settings(-surfacewireframe)] \
	1592	-command [itcl::code $this AdjustSetting -surfacewireframe] \
[2504]	1593	-font "Arial 9"
	1594
	1595	checkbutton $inner.lighting \
	1596	-text "Enable Lighting" \
[5764]	1597	-variable [itcl::scope _settings(-surfacelighting)] \
	1598	-command [itcl::code $this AdjustSetting -surfacelighting] \
[2504]	1599	-font "Arial 9"
	1600
	1601	checkbutton $inner.edges \
	1602	-text "Show Edges" \
[5764]	1603	-variable [itcl::scope _settings(-surfaceedges)] \
	1604	-command [itcl::code $this AdjustSetting -surfaceedges] \
[2504]	1605	-font "Arial 9"
	1606
	1607	label $inner.opacity_l -text "Opacity" -font "Arial 9"
	1608	::scale $inner.opacity -from 0 -to 100 -orient horizontal \
[5764]	1609	-variable [itcl::scope _settings(-surfaceopacity)] \
[2504]	1610	-width 10 \
	1611	-showvalue off \
[5764]	1612	-command [itcl::code $this AdjustSetting -surfaceopacity]
[2504]	1613
	1614	blt::table $inner \
[3330]	1615	0,0 $inner.wireframe -anchor w -pady 2 -cspan 2 \
	1616	1,0 $inner.lighting -anchor w -pady 2 -cspan 2 \
	1617	2,0 $inner.edges -anchor w -pady 2 -cspan 3 \
	1618	3,0 $inner.opacity_l -anchor w -pady 2 \
[5006]	1619	3,1 $inner.opacity -fill x -pady 2
[2504]	1620
	1621	blt::table configure $inner r* c* -resize none
[3330]	1622	blt::table configure $inner r4 c1 -resize expand
[2504]	1623	}
	1624
	1625	itcl::body Rappture::VtkStreamlinesViewer::BuildStreamsTab {} {
	1626
	1627	set fg [option get $itk_component(hull) font Font]
	1628	#set bfg [option get $itk_component(hull) boldFont Font]
	1629
	1630	set inner [$itk_component(main) insert end \
	1631	-title "Streams Settings" \
[2585]	1632	-icon [Rappture::icon streamlines-on]]
[2504]	1633	$inner configure -borderwidth 4
	1634
	1635	checkbutton $inner.streamlines \
	1636	-text "Show Streamlines" \
[4771]	1637	-variable [itcl::scope _settings(-streamlinesvisible)] \
	1638	-command [itcl::code $this AdjustSetting -streamlinesvisible] \
[2504]	1639	-font "Arial 9"
[5006]	1640
[2579]	1641	checkbutton $inner.lighting \
	1642	-text "Enable Lighting" \
[4771]	1643	-variable [itcl::scope _settings(-streamlineslighting)] \
	1644	-command [itcl::code $this AdjustSetting -streamlineslighting] \
[2579]	1645	-font "Arial 9"
	1646
[2504]	1647	checkbutton $inner.seeds \
	1648	-text "Show Seeds" \
[4771]	1649	-variable [itcl::scope _settings(-streamlinesseedsvisible)] \
	1650	-command [itcl::code $this AdjustSetting -streamlinesseedsvisible] \
[2504]	1651	-font "Arial 9"
	1652
[5006]	1653	label $inner.mode_l -text "Mode" -font "Arial 9"
[2504]	1654	itk_component add streammode {
[2744]	1655	Rappture::Combobox $inner.mode -width 10 -editable no
[2504]	1656	}
	1657	$inner.mode choices insert end \
	1658	"lines" "lines" \
	1659	"ribbons" "ribbons" \
[5006]	1660	"tubes" "tubes"
[4771]	1661	$itk_component(streammode) value $_settings(-streamlinesmode)
	1662	bind $inner.mode <<Value>> [itcl::code $this AdjustSetting -streamlinesmode]
[2504]	1663
	1664	label $inner.opacity_l -text "Opacity" -font "Arial 9"
	1665	::scale $inner.opacity -from 0 -to 100 -orient horizontal \
[4771]	1666	-variable [itcl::scope _settings(-streamlinesopacity)] \
[2504]	1667	-width 10 \
	1668	-showvalue off \
[4771]	1669	-command [itcl::code $this AdjustSetting -streamlinesopacity]
[2504]	1670
[3330]	1671	label $inner.density_l -text "No. Seeds" -font "Arial 9"
[2587]	1672	::scale $inner.density -from 1 -to 1000 -orient horizontal \
[4771]	1673	-variable [itcl::scope _settings(-streamlinesnumseeds)] \
[2579]	1674	-width 10 \
[2587]	1675	-showvalue on \
[4771]	1676	-command [itcl::code $this AdjustSetting -streamlinesnumseeds]
[2579]	1677
[5764]	1678	label $inner.scale_l -text "Length" -font "Arial 9"
[2579]	1679	::scale $inner.scale -from 1 -to 100 -orient horizontal \
[5764]	1680	-variable [itcl::scope _settings(-streamlineslength)] \
[2579]	1681	-width 10 \
	1682	-showvalue off \
[5764]	1683	-command [itcl::code $this AdjustSetting -streamlineslength]
[2579]	1684
[5006]	1685	label $inner.field_l -text "Color by" -font "Arial 9"
[2584]	1686	itk_component add field {
[2744]	1687	Rappture::Combobox $inner.field -width 10 -editable no
[2584]	1688	}
	1689	bind $inner.field <<Value>> \
[4771]	1690	[itcl::code $this AdjustSetting -field]
[2584]	1691
[5006]	1692	label $inner.colormap_l -text "Colormap" -font "Arial 9"
[3442]	1693	itk_component add colormap {
	1694	Rappture::Combobox $inner.colormap -width 10 -editable no
[2586]	1695	}
[4336]	1696	$inner.colormap choices insert end [GetColormapList]
[2587]	1697
[3442]	1698	$itk_component(colormap) value "BCGYR"
	1699	bind $inner.colormap <<Value>> \
[4771]	1700	[itcl::code $this AdjustSetting -streamlinescolormap]
[2586]	1701
[2504]	1702	blt::table $inner \
[3442]	1703	0,0 $inner.field_l -anchor w -pady 2 \
	1704	0,1 $inner.field -fill x -pady 2 \
	1705	1,0 $inner.colormap_l -anchor w -pady 2 \
	1706	1,1 $inner.colormap -fill x -pady 2 \
[3330]	1707	2,0 $inner.mode_l -anchor w -pady 2 \
	1708	2,1 $inner.mode -fill x -pady 2 \
[5764]	1709	3,0 $inner.scale_l -anchor w -pady 2 \
	1710	3,1 $inner.scale -fill x -pady 2 \
	1711	4,0 $inner.opacity_l -anchor w -pady 2 \
	1712	4,1 $inner.opacity -fill x -pady 2 \
[3330]	1713	5,0 $inner.lighting -anchor w -pady 2 -cspan 2 \
	1714	6,0 $inner.seeds -anchor w -pady 2 -cspan 2 \
	1715	7,0 $inner.density_l -anchor w -pady 2 \
	1716	7,1 $inner.density -fill x -pady 2 \
[2504]	1717
	1718	blt::table configure $inner r* c* -resize none
[6130]	1719	blt::table configure $inner r8 c1 c2 -resize expand
[2504]	1720	}
	1721
	1722	itcl::body Rappture::VtkStreamlinesViewer::BuildAxisTab {} {
	1723
	1724	set fg [option get $itk_component(hull) font Font]
	1725	#set bfg [option get $itk_component(hull) boldFont Font]
	1726
	1727	set inner [$itk_component(main) insert end \
	1728	-title "Axis Settings" \
[4679]	1729	-icon [Rappture::icon axis2]]
[2504]	1730	$inner configure -borderwidth 4
	1731
	1732	checkbutton $inner.visible \
[4679]	1733	-text "Axes" \
[4771]	1734	-variable [itcl::scope _settings(-axesvisible)] \
	1735	-command [itcl::code $this AdjustSetting -axesvisible] \
[2504]	1736	-font "Arial 9"
	1737
	1738	checkbutton $inner.labels \
[4679]	1739	-text "Axis Labels" \
[4771]	1740	-variable [itcl::scope _settings(-axislabelsvisible)] \
	1741	-command [itcl::code $this AdjustSetting -axislabelsvisible] \
[2504]	1742	-font "Arial 9"
[5006]	1743	label $inner.grid_l -text "Grid" -font "Arial 9"
[3330]	1744	checkbutton $inner.xgrid \
[4679]	1745	-text "X" \
[4771]	1746	-variable [itcl::scope _settings(-xgrid)] \
	1747	-command [itcl::code $this AdjustSetting -xgrid] \
[2504]	1748	-font "Arial 9"
[3330]	1749	checkbutton $inner.ygrid \
[4679]	1750	-text "Y" \
[4771]	1751	-variable [itcl::scope _settings(-ygrid)] \
	1752	-command [itcl::code $this AdjustSetting -ygrid] \
[2504]	1753	-font "Arial 9"
[3330]	1754	checkbutton $inner.zgrid \
[4679]	1755	-text "Z" \
[4771]	1756	-variable [itcl::scope _settings(-zgrid)] \
	1757	-command [itcl::code $this AdjustSetting -zgrid] \
[2504]	1758	-font "Arial 9"
[4679]	1759	checkbutton $inner.minorticks \
	1760	-text "Minor Ticks" \
[4771]	1761	-variable [itcl::scope _settings(-axisminorticks)] \
	1762	-command [itcl::code $this AdjustSetting -axisminorticks] \
[4679]	1763	-font "Arial 9"
[2504]	1764
[5006]	1765	label $inner.mode_l -text "Mode" -font "Arial 9"
[2504]	1766
	1767	itk_component add axismode {
[2744]	1768	Rappture::Combobox $inner.mode -width 10 -editable no
[2504]	1769	}
	1770	$inner.mode choices insert end \
	1771	"static_triad" "static" \
	1772	"closest_triad" "closest" \
[3923]	1773	"furthest_triad" "farthest" \
[5006]	1774	"outer_edges" "outer"
[4771]	1775	$itk_component(axismode) value $_settings(-axismode)
	1776	bind $inner.mode <<Value>> [itcl::code $this AdjustSetting -axismode]
[2504]	1777
	1778	blt::table $inner \
[4679]	1779	0,0 $inner.visible -anchor w -cspan 4 \
	1780	1,0 $inner.labels -anchor w -cspan 4 \
	1781	2,0 $inner.minorticks -anchor w -cspan 4 \
	1782	4,0 $inner.grid_l -anchor w \
	1783	4,1 $inner.xgrid -anchor w \
	1784	4,2 $inner.ygrid -anchor w \
	1785	4,3 $inner.zgrid -anchor w \
	1786	5,0 $inner.mode_l -anchor w -padx { 2 0 } \
	1787	5,1 $inner.mode -fill x -cspan 3
[2504]	1788
	1789	blt::table configure $inner r* c* -resize none
[4679]	1790	blt::table configure $inner r7 c6 -resize expand
	1791	blt::table configure $inner r3 -height 0.125i
[2504]	1792	}
	1793
	1794	itcl::body Rappture::VtkStreamlinesViewer::BuildCameraTab {} {
	1795	set inner [$itk_component(main) insert end \
	1796	-title "Camera Settings" \
	1797	-icon [Rappture::icon camera]]
	1798	$inner configure -borderwidth 4
	1799
[3517]	1800	label $inner.view_l -text "view" -font "Arial 9"
	1801	set f [frame $inner.view]
	1802	foreach side { front back left right top bottom } {
	1803	button $f.$side -image [Rappture::icon view$side] \
	1804	-command [itcl::code $this SetOrientation $side]
	1805	Rappture::Tooltip::for $f.$side "Change the view to $side"
	1806	pack $f.$side -side left
	1807	}
	1808
	1809	blt::table $inner \
[3534]	1810	0,0 $inner.view_l -anchor e -pady 2 \
	1811	0,1 $inner.view -anchor w -pady 2
[4771]	1812	blt::table configure $inner r0 -resize none
[3517]	1813
[2504]	1814	set labels { qx qy qz qw xpan ypan zoom }
[3517]	1815	set row 1
[2504]	1816	foreach tag $labels {
	1817	label $inner.${tag}label -text $tag -font "Arial 9"
	1818	entry $inner.${tag} -font "Arial 9" -bg white \
[4765]	1819	-textvariable [itcl::scope _view(-$tag)]
[4757]	1820	bind $inner.${tag} <Return> \
[4765]	1821	[itcl::code $this camera set -${tag}]
[4757]	1822	bind $inner.${tag} <KP_Enter> \
[4765]	1823	[itcl::code $this camera set -${tag}]
[2504]	1824	blt::table $inner \
	1825	$row,0 $inner.${tag}label -anchor e -pady 2 \
	1826	$row,1 $inner.${tag} -anchor w -pady 2
	1827	blt::table configure $inner r$row -resize none
	1828	incr row
	1829	}
	1830	checkbutton $inner.ortho \
	1831	-text "Orthographic Projection" \
[4765]	1832	-variable [itcl::scope _view(-ortho)] \
	1833	-command [itcl::code $this camera set -ortho] \
[2504]	1834	-font "Arial 9"
	1835	blt::table $inner \
[3441]	1836	$row,0 $inner.ortho -cspan 2 -anchor w -pady 2
[2504]	1837	blt::table configure $inner r$row -resize none
	1838	incr row
	1839
[4771]	1840	blt::table configure $inner c* -resize none
[2504]	1841	blt::table configure $inner c2 -resize expand
	1842	blt::table configure $inner r$row -resize expand
	1843	}
	1844
[2584]	1845	itcl::body Rappture::VtkStreamlinesViewer::BuildCutplaneTab {} {
[2504]	1846
	1847	set fg [option get $itk_component(hull) font Font]
[5006]	1848
[2504]	1849	set inner [$itk_component(main) insert end \
[2587]	1850	-title "Cutplane Settings" \
[5006]	1851	-icon [Rappture::icon cutbutton]]
[2504]	1852
	1853	$inner configure -borderwidth 4
	1854
[2587]	1855	checkbutton $inner.visible \
	1856	-text "Show Cutplanes" \
[4771]	1857	-variable [itcl::scope _settings(-cutplanevisible)] \
	1858	-command [itcl::code $this AdjustSetting -cutplanevisible] \
[2587]	1859	-font "Arial 9"
	1860
	1861	checkbutton $inner.wireframe \
	1862	-text "Show Wireframe" \
[4771]	1863	-variable [itcl::scope _settings(-cutplanewireframe)] \
	1864	-command [itcl::code $this AdjustSetting -cutplanewireframe] \
[2587]	1865	-font "Arial 9"
	1866
	1867	checkbutton $inner.lighting \
	1868	-text "Enable Lighting" \
[4771]	1869	-variable [itcl::scope _settings(-cutplanelighting)] \
	1870	-command [itcl::code $this AdjustSetting -cutplanelighting] \
[2587]	1871	-font "Arial 9"
	1872
	1873	checkbutton $inner.edges \
	1874	-text "Show Edges" \
[4771]	1875	-variable [itcl::scope _settings(-cutplaneedges)] \
	1876	-command [itcl::code $this AdjustSetting -cutplaneedges] \
[2587]	1877	-font "Arial 9"
	1878
	1879	label $inner.opacity_l -text "Opacity" -font "Arial 9"
	1880	::scale $inner.opacity -from 0 -to 100 -orient horizontal \
[4771]	1881	-variable [itcl::scope _settings(-cutplaneopacity)] \
[2587]	1882	-width 10 \
	1883	-showvalue off \
[4771]	1884	-command [itcl::code $this AdjustSetting -cutplaneopacity]
	1885	$inner.opacity set $_settings(-cutplaneopacity)
[2587]	1886
[2504]	1887	# X-value slicer...
	1888	itk_component add xCutButton {
	1889	Rappture::PushButton $inner.xbutton \
[3330]	1890	-onimage [Rappture::icon x-cutplane-red] \
	1891	-offimage [Rappture::icon x-cutplane-red] \
[4771]	1892	-command [itcl::code $this AdjustSetting -cutplanexvisible] \
	1893	-variable [itcl::scope _settings(-cutplanexvisible)]
[2504]	1894	}
	1895	Rappture::Tooltip::for $itk_component(xCutButton) \
[2584]	1896	"Toggle the X-axis cutplane on/off"
[3330]	1897	$itk_component(xCutButton) select
[2504]	1898
	1899	itk_component add xCutScale {
[3330]	1900	::scale $inner.xval -from 100 -to 0 \
[2504]	1901	-width 10 -orient vertical -showvalue yes \
	1902	-borderwidth 1 -highlightthickness 0 \
[2584]	1903	-command [itcl::code $this EventuallySetCutplane x] \
[4771]	1904	-variable [itcl::scope _settings(-cutplanexposition)] \
[5006]	1905	-foreground red3 -font "Arial 9 bold"
[2504]	1906	} {
	1907	usual
[3330]	1908	ignore -borderwidth -highlightthickness -foreground -font
[2504]	1909	}
[2584]	1910	# Set the default cutplane value before disabling the scale.
[2600]	1911	$itk_component(xCutScale) set 50
[2504]	1912	$itk_component(xCutScale) configure -state disabled
	1913	Rappture::Tooltip::for $itk_component(xCutScale) \
	1914	"@[itcl::code $this Slice tooltip x]"
	1915
	1916	# Y-value slicer...
	1917	itk_component add yCutButton {
	1918	Rappture::PushButton $inner.ybutton \
[3330]	1919	-onimage [Rappture::icon y-cutplane-green] \
	1920	-offimage [Rappture::icon y-cutplane-green] \
[4771]	1921	-command [itcl::code $this AdjustSetting -cutplaneyvisible] \
	1922	-variable [itcl::scope _settings(-cutplaneyvisible)]
[2504]	1923	}
	1924	Rappture::Tooltip::for $itk_component(yCutButton) \
[2584]	1925	"Toggle the Y-axis cutplane on/off"
[3330]	1926	$itk_component(yCutButton) select
[2504]	1927
	1928	itk_component add yCutScale {
[3330]	1929	::scale $inner.yval -from 100 -to 0 \
[2504]	1930	-width 10 -orient vertical -showvalue yes \
	1931	-borderwidth 1 -highlightthickness 0 \
[2584]	1932	-command [itcl::code $this EventuallySetCutplane y] \
[4771]	1933	-variable [itcl::scope _settings(-cutplaneyposition)] \
[5006]	1934	-foreground green3 -font "Arial 9 bold"
[2504]	1935	} {
	1936	usual
[3330]	1937	ignore -borderwidth -highlightthickness -foreground -font
[2504]	1938	}
	1939	Rappture::Tooltip::for $itk_component(yCutScale) \
	1940	"@[itcl::code $this Slice tooltip y]"
[2584]	1941	# Set the default cutplane value before disabling the scale.
[2600]	1942	$itk_component(yCutScale) set 50
[2504]	1943	$itk_component(yCutScale) configure -state disabled
	1944
	1945	# Z-value slicer...
	1946	itk_component add zCutButton {
	1947	Rappture::PushButton $inner.zbutton \
[3330]	1948	-onimage [Rappture::icon z-cutplane-blue] \
	1949	-offimage [Rappture::icon z-cutplane-blue] \
[4771]	1950	-command [itcl::code $this AdjustSetting -cutplanezvisible] \
	1951	-variable [itcl::scope _settings(-cutplanezvisible)]
[2504]	1952	}
	1953	Rappture::Tooltip::for $itk_component(zCutButton) \
[2584]	1954	"Toggle the Z-axis cutplane on/off"
[3330]	1955	$itk_component(zCutButton) select
[2504]	1956
	1957	itk_component add zCutScale {
[3330]	1958	::scale $inner.zval -from 100 -to 0 \
[2504]	1959	-width 10 -orient vertical -showvalue yes \
	1960	-borderwidth 1 -highlightthickness 0 \
[2584]	1961	-command [itcl::code $this EventuallySetCutplane z] \
[4771]	1962	-variable [itcl::scope _settings(-cutplanezposition)] \
[5006]	1963	-foreground blue3 -font "Arial 9 bold"
[2504]	1964	} {
	1965	usual
[3330]	1966	ignore -borderwidth -highlightthickness -foreground -font
[2504]	1967	}
[2600]	1968	$itk_component(zCutScale) set 50
[2504]	1969	$itk_component(zCutScale) configure -state disabled
	1970	Rappture::Tooltip::for $itk_component(zCutScale) \
	1971	"@[itcl::code $this Slice tooltip z]"
	1972
	1973	blt::table $inner \
[3330]	1974	0,0 $inner.lighting -anchor w -pady 2 -cspan 4 \
	1975	1,0 $inner.wireframe -anchor w -pady 2 -cspan 4 \
	1976	2,0 $inner.edges -anchor w -pady 2 -cspan 4 \
	1977	3,0 $inner.opacity_l -anchor w -pady 2 -cspan 1 \
	1978	3,1 $inner.opacity -fill x -pady 2 -cspan 3 \
[5006]	1979	4,0 $itk_component(xCutButton) -anchor w -padx 2 -pady 2 \
[3330]	1980	5,0 $itk_component(yCutButton) -anchor w -padx 2 -pady 2 \
	1981	6,0 $itk_component(zCutButton) -anchor w -padx 2 -pady 2 \
	1982	4,1 $itk_component(xCutScale) -fill y -rspan 4 \
	1983	4,2 $itk_component(yCutScale) -fill y -rspan 4 \
	1984	4,3 $itk_component(zCutScale) -fill y -rspan 4 \
[2504]	1985
	1986	blt::table configure $inner r* c* -resize none
[3330]	1987	blt::table configure $inner r7 c4 -resize expand
[2504]	1988	}
	1989
	1990	#
[5006]	1991	# camera --
[2504]	1992	#
	1993	itcl::body Rappture::VtkStreamlinesViewer::camera {option args} {
[5006]	1994	switch -- $option {
[2504]	1995	"show" {
	1996	puts [array get _view]
	1997	}
	1998	"set" {
[4765]	1999	set what [lindex $args 0]
	2000	set x $_view($what)
[2504]	2001	set code [catch { string is double $x } result]
	2002	if { $code != 0 \|\| !$result } {
	2003	return
	2004	}
[4765]	2005	switch -- $what {
	2006	"-ortho" {
	2007	if {$_view($what)} {
[2504]	2008	SendCmd "camera mode ortho"
	2009	} else {
	2010	SendCmd "camera mode persp"
	2011	}
	2012	}
[4765]	2013	"-xpan" - "-ypan" {
[2504]	2014	PanCamera
	2015	}
[4765]	2016	"-qx" - "-qy" - "-qz" - "-qw" {
	2017	set q [ViewToQuaternion]
[2744]	2018	$_arcball quaternion $q
	2019	EventuallyRotate $q
[2504]	2020	}
[4765]	2021	"-zoom" {
	2022	SendCmd "camera zoom $_view($what)"
[2504]	2023	}
	2024	}
	2025	}
	2026	}
	2027	}
	2028
	2029	itcl::body Rappture::VtkStreamlinesViewer::GetVtkData { args } {
	2030	set bytes ""
	2031	foreach dataobj [get] {
	2032	foreach comp [$dataobj components] {
	2033	set tag $dataobj-$comp
[3731]	2034	set contents [$dataobj vtkdata $comp]
	2035	append bytes "$contents\n"
[2504]	2036	}
	2037	}
[2584]	2038	return [list .vtk $bytes]
[2504]	2039	}
	2040
	2041	itcl::body Rappture::VtkStreamlinesViewer::GetImage { args } {
[5006]	2042	if { [image width $_image(download)] > 0 &&
[2744]	2043	[image height $_image(download)] > 0 } {
	2044	set bytes [$_image(download) data -format "jpeg -quality 100"]
	2045	set bytes [Rappture::encoding::decode -as b64 $bytes]
	2046	return [list .jpg $bytes]
[2504]	2047	}
	2048	return ""
	2049	}
	2050
	2051	itcl::body Rappture::VtkStreamlinesViewer::BuildDownloadPopup { popup command } {
	2052	Rappture::Balloon $popup \
	2053	-title "[Rappture::filexfer::label downloadWord] as..."
	2054	set inner [$popup component inner]
[5006]	2055	label $inner.summary -text "" -anchor w
[2504]	2056	radiobutton $inner.vtk_button -text "VTK data file" \
	2057	-variable [itcl::scope _downloadPopup(format)] \
	2058	-font "Helvetica 9 " \
[5006]	2059	-value vtk
[2504]	2060	Rappture::Tooltip::for $inner.vtk_button "Save as VTK data file."
	2061	radiobutton $inner.image_button -text "Image File" \
	2062	-variable [itcl::scope _downloadPopup(format)] \
[5006]	2063	-value image
[2504]	2064	Rappture::Tooltip::for $inner.image_button \
	2065	"Save as digital image."
	2066
	2067	button $inner.ok -text "Save" \
[2744]	2068	-highlightthickness 0 -pady 2 -padx 3 \
[2504]	2069	-command $command \
[2744]	2070	-compound left \
	2071	-image [Rappture::icon download]
[2504]	2072
	2073	button $inner.cancel -text "Cancel" \
[2744]	2074	-highlightthickness 0 -pady 2 -padx 3 \
	2075	-command [list $popup deactivate] \
	2076	-compound left \
	2077	-image [Rappture::icon cancel]
[2504]	2078
	2079	blt::table $inner \
	2080	0,0 $inner.summary -cspan 2 \
	2081	1,0 $inner.vtk_button -anchor w -cspan 2 -padx { 4 0 } \
	2082	2,0 $inner.image_button -anchor w -cspan 2 -padx { 4 0 } \
	2083	4,1 $inner.cancel -width .9i -fill y \
[5006]	2084	4,0 $inner.ok -padx 2 -width .9i -fill y
[2504]	2085	blt::table configure $inner r3 -height 4
	2086	blt::table configure $inner r4 -pady 4
	2087	raise $inner.image_button
	2088	$inner.vtk_button invoke
	2089	return $inner
	2090	}
	2091
	2092	itcl::body Rappture::VtkStreamlinesViewer::SetObjectStyle { dataobj comp } {
	2093	# Parse style string.
	2094	set tag $dataobj-$comp
[5770]	2095	array set style {
[5764]	2096	-color BCGYR
	2097	-constcolor white
	2098	-edgecolor black
[2744]	2099	-edges 0
[5764]	2100	-lighting 1
[2744]	2101	-linewidth 1.0
[5764]	2102	-mode lines
	2103	-numseeds 200
	2104	-opacity 1.0
[2744]	2105	-seeds 1
	2106	-seedcolor white
[5764]	2107	-streamlineslength 0.7
	2108	-surfacecolor white
	2109	-surfaceedgecolor black
	2110	-surfaceedges 0
	2111	-surfacelighting 1
	2112	-surfaceopacity 0.4
	2113	-surfacevisible 1
	2114	-surfacewireframe 0
[2744]	2115	-visible 1
[2504]	2116	}
[5770]	2117	array set style [$dataobj style $comp]
[6045]	2118
[4679]	2119	StartBufferingCommands
[2504]	2120	SendCmd "streamlines add $tag"
[5770]	2121	SendCmd "streamlines color [Color2RGB $style(-constcolor)] $tag"
	2122	SendCmd "streamlines edges $style(-edges) $tag"
	2123	SendCmd "streamlines linecolor [Color2RGB $style(-edgecolor)] $tag"
	2124	SendCmd "streamlines linewidth $style(-linewidth) $tag"
	2125	SendCmd "streamlines lighting $style(-lighting) $tag"
	2126	SendCmd "streamlines opacity $style(-opacity) $tag"
	2127	SendCmd "streamlines seed color [Color2RGB $style(-seedcolor)] $tag"
	2128	SendCmd "streamlines seed visible $style(-seeds) $tag"
	2129	SendCmd "streamlines visible $style(-visible) $tag"
[2547]	2130	set seeds [$dataobj hints seeds]
	2131	if { $seeds != "" && ![info exists _seeds($dataobj)] } {
[2744]	2132	set length [string length $seeds]
[5770]	2133	SendCmd "streamlines seed fmesh $style(-numseeds) data follows $length $tag"
[5134]	2134	SendData $seeds
[2744]	2135	set _seeds($dataobj) 1
[2547]	2136	}
[5770]	2137	set _settings(-streamlineslighting) $style(-lighting)
	2138	$itk_component(streammode) value $style(-mode)
[5764]	2139	AdjustSetting -streamlinesmode
[5770]	2140	set _settings(-streamlinesnumseeds) $style(-numseeds)
	2141	set _settings(-streamlinesopacity) [expr $style(-opacity) * 100.0]
	2142	set _settings(-streamlineslength) [expr $style(-streamlineslength) * 100.0]
	2143	set _settings(-streamlinesseedsvisible) $style(-seeds)
	2144	set _settings(-streamlinesvisible) $style(-visible)
[5764]	2145
[2584]	2146	SendCmd "cutplane add $tag"
[5764]	2147
[2504]	2148	SendCmd "polydata add $tag"
[5770]	2149	SendCmd "polydata color [Color2RGB $style(-surfacecolor)] $tag"
[3833]	2150	SendCmd "polydata colormode constant {} $tag"
[5770]	2151	SendCmd "polydata edges $style(-surfaceedges) $tag"
	2152	SendCmd "polydata linecolor [Color2RGB $style(-surfaceedgecolor)] $tag"
	2153	SendCmd "polydata lighting $style(-surfacelighting) $tag"
	2154	SendCmd "polydata opacity $style(-surfaceopacity) $tag"
	2155	SendCmd "polydata wireframe $style(-surfacewireframe) $tag"
	2156	SendCmd "polydata visible $style(-surfacevisible) $tag"
	2157	set _settings(-surfaceedges) $style(-surfaceedges)
	2158	set _settings(-surfacelighting) $style(-surfacelighting)
	2159	set _settings(-surfaceopacity) [expr $style(-surfaceopacity) * 100.0]
	2160	set _settings(-surfacewireframe) $style(-surfacewireframe)
	2161	set _settings(-surfacevisible) $style(-surfacevisible)
[4679]	2162	StopBufferingCommands
[5770]	2163	SetCurrentColormap $style(-color)
	2164	$itk_component(colormap) value $style(-color)
[2504]	2165	}
	2166
	2167	itcl::body Rappture::VtkStreamlinesViewer::IsValidObject { dataobj } {
	2168	if {[catch {$dataobj isa Rappture::Field} valid] != 0 \|\| !$valid} {
[2744]	2169	return 0
[2504]	2170	}
	2171	return 1
	2172	}
	2173
	2174	# ----------------------------------------------------------------------
	2175	# USAGE: ReceiveLegend <colormap> <title> <vmin> <vmax> <size>
	2176	#
	2177	# Invoked automatically whenever the "legend" command comes in from
	2178	# the rendering server. Indicates that binary image data with the
	2179	# specified <size> will follow.
	2180	# ----------------------------------------------------------------------
	2181	itcl::body Rappture::VtkStreamlinesViewer::ReceiveLegend { colormap title vmin vmax size } {
[2673]	2182	set _legendPending 0
[2504]	2183	set _title $title
[5006]	2184	regsub {\(mag\)} $title "" _title
[2504]	2185	if { [IsConnected] } {
	2186	set bytes [ReceiveBytes $size]
	2187	if { ![info exists _image(legend)] } {
	2188	set _image(legend) [image create photo]
	2189	}
	2190	$_image(legend) configure -data $bytes
	2191	#puts stderr "read $size bytes for [image width $_image(legend)]x[image height $_image(legend)] legend>"
[3442]	2192	if { [catch {DrawLegend} errs] != 0 } {
[2744]	2193	puts stderr errs=$errs
	2194	}
[2504]	2195	}
	2196	}
	2197
	2198	#
	2199	# DrawLegend --
	2200	#
[2744]	2201	# Draws the legend in it's own canvas which resides to the right
	2202	# of the contour plot area.
[2504]	2203	#
[3442]	2204	itcl::body Rappture::VtkStreamlinesViewer::DrawLegend {} {
	2205	set fname $_curFldName
[2504]	2206	set c $itk_component(view)
	2207	set w [winfo width $c]
	2208	set h [winfo height $c]
	2209	set font "Arial 8"
	2210	set lineht [font metrics $font -linespace]
[5006]	2211
[3442]	2212	if { [info exists _fields($fname)] } {
	2213	foreach { title units } $_fields($fname) break
[2744]	2214	if { $units != "" } {
	2215	set title [format "%s (%s)" $title $units]
	2216	}
[2606]	2217	} else {
[3442]	2218	set title $fname
[2604]	2219	}
[4771]	2220	if { $_settings(-legendvisible) } {
[2744]	2221	set x [expr $w - 2]
	2222	if { [$c find withtag "legend"] == "" } {
[5006]	2223	set y 2
[2744]	2224	$c create text $x $y \
	2225	-anchor ne \
	2226	-fill $itk_option(-plotforeground) -tags "title legend" \
	2227	-font $font
	2228	incr y $lineht
	2229	$c create text $x $y \
	2230	-anchor ne \
	2231	-fill $itk_option(-plotforeground) -tags "vmax legend" \
	2232	-font $font
	2233	incr y $lineht
	2234	$c create image $x $y \
	2235	-anchor ne \
	2236	-image $_image(legend) -tags "colormap legend"
	2237	$c create text $x [expr {$h-2}] \
	2238	-anchor se \
	2239	-fill $itk_option(-plotforeground) -tags "vmin legend" \
	2240	-font $font
	2241	#$c bind colormap <Enter> [itcl::code $this EnterLegend %x %y]
	2242	$c bind colormap <Leave> [itcl::code $this LeaveLegend]
	2243	$c bind colormap <Motion> [itcl::code $this MotionLegend %x %y]
	2244	}
	2245	$c bind title <ButtonPress> [itcl::code $this Combo post]
	2246	$c bind title <Enter> [itcl::code $this Combo activate]
	2247	$c bind title <Leave> [itcl::code $this Combo deactivate]
	2248	# Reset the item coordinates according the current size of the plot.
	2249	$c itemconfigure title -text $title
[3431]	2250	if { [info exists _limits($_curFldName)] } {
	2251	foreach {vmin vmax} $_limits($_curFldName) break
	2252	$c itemconfigure vmin -text [format %g $vmin]
	2253	$c itemconfigure vmax -text [format %g $vmax]
[2744]	2254	}
	2255	set y 2
	2256	$c coords title $x $y
	2257	incr y $lineht
	2258	$c coords vmax $x $y
	2259	incr y $lineht
	2260	$c coords colormap $x $y
	2261	$c coords vmin $x [expr {$h - 2}]
[2504]	2262	}
	2263	}
	2264
	2265	#
	2266	# EnterLegend --
	2267	#
	2268	itcl::body Rappture::VtkStreamlinesViewer::EnterLegend { x y } {
	2269	SetLegendTip $x $y
	2270	}
	2271
	2272	#
	2273	# MotionLegend --
	2274	#
	2275	itcl::body Rappture::VtkStreamlinesViewer::MotionLegend { x y } {
	2276	Rappture::Tooltip::tooltip cancel
	2277	set c $itk_component(view)
	2278	SetLegendTip $x $y
	2279	}
	2280
	2281	#
	2282	# LeaveLegend --
	2283	#
	2284	itcl::body Rappture::VtkStreamlinesViewer::LeaveLegend { } {
	2285	Rappture::Tooltip::tooltip cancel
	2286	.rappturetooltip configure -icon ""
	2287	}
	2288
	2289	#
	2290	# SetLegendTip --
	2291	#
	2292	itcl::body Rappture::VtkStreamlinesViewer::SetLegendTip { x y } {
	2293	set c $itk_component(view)
	2294	set w [winfo width $c]
	2295	set h [winfo height $c]
	2296	set font "Arial 8"
	2297	set lineht [font metrics $font -linespace]
[5006]	2298
[2504]	2299	set imgHeight [image height $_image(legend)]
	2300	set coords [$c coords colormap]
	2301	set imgX [expr $w - [image width $_image(legend)] - 2]
[2584]	2302	set imgY [expr $y - 2 * ($lineht + 2)]
[2504]	2303
[2606]	2304	if { [info exists _fields($_title)] } {
[2744]	2305	foreach { title units } $_fields($_title) break
	2306	if { $units != "" } {
	2307	set title [format "%s (%s)" $title $units]
	2308	}
[2606]	2309	} else {
[2744]	2310	set title $_title
[2606]	2311	}
[2504]	2312	# Make a swatch of the selected color
	2313	if { [catch { $_image(legend) get 10 $imgY } pixel] != 0 } {
[2744]	2314	#puts stderr "out of range: $imgY"
	2315	return
[2504]	2316	}
	2317	if { ![info exists _image(swatch)] } {
[2744]	2318	set _image(swatch) [image create photo -width 24 -height 24]
[2504]	2319	}
	2320	set color [eval format "\#%02x%02x%02x" $pixel]
[5006]	2321	$_image(swatch) put black -to 0 0 23 23
	2322	$_image(swatch) put $color -to 1 1 22 22
[2504]	2323	.rappturetooltip configure -icon $_image(swatch)
	2324
	2325	# Compute the value of the point
[3431]	2326	if { [info exists _limits($_curFldName)] } {
	2327	foreach {vmin vmax} $_limits($_curFldName) break
[2744]	2328	set t [expr 1.0 - (double($imgY) / double($imgHeight-1))]
[3431]	2329	set value [expr $t * ($vmax - $vmin) + $vmin]
[2622]	2330	} else {
[2744]	2331	set value 0.0
[2622]	2332	}
[5006]	2333	set tipx [expr $x + 15]
[2504]	2334	set tipy [expr $y - 5]
[2606]	2335	Rappture::Tooltip::text $c "$title $value"
[5006]	2336	Rappture::Tooltip::tooltip show $c +$tipx,+$tipy
[2504]	2337	}
	2338
	2339	# ----------------------------------------------------------------------
	2340	# USAGE: Slice move x\|y\|z <newval>
	2341	#
	2342	# Called automatically when the user drags the slider to move the
	2343	# cut plane that slices 3D data. Gets the current value from the
	2344	# slider and moves the cut plane to the appropriate point in the
	2345	# data set.
	2346	# ----------------------------------------------------------------------
	2347	itcl::body Rappture::VtkStreamlinesViewer::Slice {option args} {
	2348	switch -- $option {
	2349	"move" {
	2350	set axis [lindex $args 0]
	2351	set newval [lindex $args 1]
	2352	if {[llength $args] != 2} {
	2353	error "wrong # args: should be \"Slice move x\|y\|z newval\""
	2354	}
	2355	set newpos [expr {0.01*$newval}]
[2584]	2356	SendCmd "cutplane slice $axis $newpos"
[2504]	2357	}
[2744]	2358	"tooltip" {
	2359	set axis [lindex $args 0]
	2360	set val [$itk_component(${axis}CutScale) get]
	2361	return "Move the [string toupper $axis] cut plane.\nCurrently: $axis = $val%"
	2362	}
[2504]	2363	default {
	2364	error "bad option \"$option\": should be axis, move, or tooltip"
	2365	}
	2366	}
	2367	}
[2649]	2368
	2369	# ----------------------------------------------------------------------
	2370	# USAGE: _dropdown post
	2371	# USAGE: _dropdown unpost
	2372	# USAGE: _dropdown select
	2373	#
	2374	# Used internally to handle the dropdown list for this combobox. The
	2375	# post/unpost options are invoked when the list is posted or unposted
	2376	# to manage the relief of the controlling button. The select option
	2377	# is invoked whenever there is a selection from the list, to assign
	2378	# the value back to the gauge.
	2379	# ----------------------------------------------------------------------
	2380	itcl::body Rappture::VtkStreamlinesViewer::Combo {option} {
[5006]	2381	set c $itk_component(view)
[2649]	2382	switch -- $option {
	2383	post {
[2744]	2384	foreach { x1 y1 x2 y2 } [$c bbox title] break
	2385	set x1 [expr [winfo width $itk_component(view)] - [winfo reqwidth $itk_component(fieldmenu)]]
	2386	set x [expr $x1 + [winfo rootx $itk_component(view)]]
	2387	set y [expr $y2 + [winfo rooty $itk_component(view)]]
	2388	tk_popup $itk_component(fieldmenu) $x $y
[2649]	2389	}
	2390	activate {
[2744]	2391	$c itemconfigure title -fill red
[2649]	2392	}
	2393	deactivate {
[5006]	2394	$c itemconfigure title -fill white
[2649]	2395	}
[2744]	2396	invoke {
[3405]	2397	$itk_component(field) value $_curFldLabel
[4771]	2398	AdjustSetting -field
[2744]	2399	}
[2649]	2400	default {
	2401	error "bad option \"$option\": should be post, unpost, select"
	2402	}
	2403	}
	2404	}
[3421]	2405
[5006]	2406	itcl::body Rappture::VtkStreamlinesViewer::SetOrientation { side } {
[3517]	2407	array set positions {
	2408	front "1 0 0 0"
	2409	back "0 0 1 0"
	2410	left "0.707107 0 -0.707107 0"
	2411	right "0.707107 0 0.707107 0"
	2412	top "0.707107 -0.707107 0 0"
	2413	bottom "0.707107 0.707107 0 0"
	2414	}
[4765]	2415	foreach name { -qw -qx -qy -qz } value $positions($side) {
[3517]	2416	set _view($name) $value
[5006]	2417	}
[4765]	2418	set q [ViewToQuaternion]
[3517]	2419	$_arcball quaternion $q
[5006]	2420	SendCmd "camera orient $q"
[3534]	2421	SendCmd "camera reset"
[4765]	2422	set _view(-xpan) 0
	2423	set _view(-ypan) 0
	2424	set _view(-zoom) 1.0
[3517]	2425	}

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

Download in other formats: