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#!/usr/bin/env python
# a simple user interface that manipulates window level.
# places in the tcl top window. Looks for object named viewer
#only use this interface when not doing regression tests
if (info.commands(globals(), locals(), rtExMath) != "rtExMath"):
# Take window level parameters from viewer
def InitializeWindowLevelInterface (__vtk__temp0=0,__vtk__temp1=0):
global viewer, sliceNumber
# Get parameters from viewer
w = viewer.GetColorWindow()
l = viewer.GetColorLevel()
sliceNumber = viewer.GetZSlice()
zMin = viewer.GetWholeZMin()
zMax = viewer.GetWholeZMax()
# set zMin 0
# set zMax 128
frame..slice()
label..slice.label(-text,"Slice")
scale..slice.scale([-from,zMin,-to,zMax,-orient,horizontal,-command,SetSlice,-variable,sliceNumber])
# button .slice.up -text "Up" -command SliceUp
# button .slice.down -text "Down" -command SliceDown
frame..wl()
frame..wl.f1()
label..wl.f1.windowLabel(-text,"Window")
scale..wl.f1.window([-from,1,-to,expr.expr(globals(), locals(),["w","*","2"]),-orient,horizontal,-command,SetWindow,-variable,window])
frame..wl.f2()
label..wl.f2.levelLabel(-text,"Level")
scale..wl.f2.level(-from,expr.expr(globals(), locals(),["l","-","w"]),-to,expr.expr(globals(), locals(),["l","+","w"]),-orient,horizontal,-command,SetLevel)
checkbutton..wl.video(-text,"Inverse Video",-command,SetInverseVideo)
# resolutions less than 1.0
if (w < 10):
res = expr.expr(globals(), locals(),["0.05","*","w"])
.wl.f1.window.configure(-resolution,res,-from,res,-to,expr.expr(globals(), locals(),["2.0","*","w"]))
.wl.f2.level.configure(-resolution,res,-from,expr.expr(globals(), locals(),["0.0","+","l","-","w"]),-to,expr.expr(globals(), locals(),["0.0","+","l","+","w"]))
pass
.wl.f1.window.set(w)
.wl.f2.level.set(l)
frame..ex()
button..ex.exit(-text,"Exit",-command,"exit")
pack..slice(.wl,.ex,-side,top)
pack..slice.label(.slice.scale,-side,left)
pack..wl.f1(.wl.f2,.wl.video,-side,top)
pack..wl.f1.windowLabel(.wl.f1.window,-side,left)
pack..wl.f2.levelLabel(.wl.f2.level,-side,left)
pack..ex.exit(-side,left)
def SetSlice (slice,__vtk__temp0=0,__vtk__temp1=0):
global sliceNumber, viewer
viewer.SetZSlice(slice)
viewer.Render()
def SetWindow (window,__vtk__temp0=0,__vtk__temp1=0):
global viewer, video
if (video):
viewer.SetColorWindow(expr.expr(globals(), locals(),["-window"]))
pass
else:
viewer.SetColorWindow(window)
pass
viewer.Render()
def SetLevel (level,__vtk__temp0=0,__vtk__temp1=0):
global viewer
viewer.SetColorLevel(level)
viewer.Render()
def SetInverseVideo (__vtk__temp0=0,__vtk__temp1=0):
global viewer, video, window
if (video):
viewer.SetColorWindow(expr.expr(globals(), locals(),["-window"]))
pass
else:
viewer.SetColorWindow(window)
pass
viewer.Render()
InitializeWindowLevelInterface()
pass
else:
viewer.Render()
pass
# --- end of script --
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