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https://github.com/NGSolve/netgen.git
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109 lines
2.8 KiB
Tcl
109 lines
2.8 KiB
Tcl
#!/bin/sh
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# the next line restarts using wish \
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exec wish "$0" "$@"
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# $Id: stereo.tcl,v 1.4 2004/12/21 05:28:39 gregcouch Exp $
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# Togl - a Tk OpenGL widget
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# Copyright (C) 1996 Brian Paul and Ben Bederson
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# See the LICENSE file for copyright details.
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# $Log: stereo.tcl,v $
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# Revision 1.4 2004/12/21 05:28:39 gregcouch
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# Apply outstanding patches and Mac OS X support.
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#
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# Revision 1.3 2001/12/20 13:59:31 beskow
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# Improved error-handling in togl.c in case of window creation failure
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# Added pkgIndex target to makefile
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# Updated documentation to reflect stubs-interface (Togl.html + new README.stubs)
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# Added tk8.4a3 headers
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# Removed obsolete Tk internal headers
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#
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# Revision 1.2 2001/01/29 18:11:53 brianp
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# Jonas Beskow's changes to use Tcl/Tk stub interface
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#
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# Revision 1.1 1997/10/01 02:53:12 brianp
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# Initial revision
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#
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#
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# Revision 1.1 1997/9/28 18:54:46 Ben Evans
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# Initial revision. Based on double.tcl
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#
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# An Tk/OpenGL widget demo with two windows, one single buffered and the
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# other double buffered.
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load [file dirname [info script]]/stereo[info sharedlibextension]
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proc setup {} {
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global scale
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set scale 1.0
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wm title . "Full Screen Stereo Buffering"
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frame .f1
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togl .f1.o1 -width 200 -height 200 -rgba true -stereo true -double true -depth true -ident "stereo buffer"
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scale .sx -label {X Axis} -from 0 -to 360 -command {setAngle x} -orient horizontal
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scale .sy -label {Y Axis} -from 0 -to 360 -command {setAngle y} -orient horizontal
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button .btn -text Quit -command exit
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bind .f1.o1 <B1-Motion> {
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motion_event [lindex [%W config -width] 4] \
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[lindex [%W config -height] 4] \
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%x %y
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}
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bind .f1.o1 <ButtonPress-2> {
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set startx %x
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set starty %y
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set scale0 $scale
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}
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bind .f1.o1 <B1-B2-Motion> {
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set q [ expr ($starty - %y) / 400.0 ]
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set scale [expr $scale0 * exp($q)]
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.f1.o1 scale $scale
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}
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pack .f1.o1 -side left -padx 3 -pady 3 -fill both -expand t
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pack .f1 -fill both -expand t
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pack .sx -fill x
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pack .sy -fill x
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pack .btn -fill x
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if {[string first $::tcl_platform(os) IRIX] != -1} {
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puts "use /usr/gfx/setmon -n 60 to reset display and /usr/gfx/setmon -n STR_RECT to put in display in stereo mode"
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}
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}
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# This is called when mouse button 1 is pressed and moved in either of
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# the OpenGL windows.
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proc motion_event { width height x y } {
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.f1.o1 setXrot [expr 360.0 * $y / $height]
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.f1.o1 setYrot [expr 360.0 * ($width - $x) / $width]
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# .sx set [expr 360.0 * $y / $height]
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# .sy set [expr 360.0 * ($width - $x) / $width]
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.sx set [getXrot]
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.sy set [getYrot]
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}
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# This is called when a slider is changed.
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proc setAngle {axis value} {
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global xAngle yAngle zAngle
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switch -exact $axis {
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x {.f1.o1 setXrot $value}
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y {.f1.o1 setYrot $value}
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}
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}
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# Execution starts here!
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setup
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