#!/usr/local/bin/python
import os
try:
  VTK_DATA = os.environ['VTK_DATA']
except KeyError:
  VTK_DATA = '../../../vtkdata/'


from vtkpython import *
from WindowLevelInterface import *

# Doubles the size of the image in the X and tripples in Y dimensions.


# Image pipeline

reader = vtkImageReader()
#reader.DebugOn()
reader.SetDataByteOrderToLittleEndian()
reader.SetDataExtent(0,255,0,255,1,93)
reader.SetDataVOI(100,200,100,200,1,93)
reader.SetFilePrefix(VTK_DATA + "/fullHead/headsq")
reader.SetDataMask(0x7fff)

magnify = vtkImageMagnify()
magnify.SetInput(reader.GetOutput())
magnify.SetMagnificationFactors(3,2,1)


viewer = vtkImageViewer()
#viewer.DebugOn()
viewer.SetInput(magnify.GetOutput())
viewer.SetZSlice(22)
viewer.SetColorWindow(2000)
viewer.SetColorLevel(1000)
viewer.GetActor2D().SetDisplayPosition(-250,-180)

# make interface
WindowLevelInterface(viewer)