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#!/usr/bin/env python
# Image pipeline
image1 = vtk.vtkTIFFReader()
image1.SetFileName("" + str(VTK_DATA_ROOT) + "/Data/beach.tif")
# "beach.tif" image contains ORIENTATION tag which is
# ORIENTATION_TOPLEFT (row 0 top, col 0 lhs) type. The TIFF
# reader parses this tag and sets the internal TIFF image
# orientation accordingly. To overwrite this orientation with a vtk
# convention of ORIENTATION_BOTLEFT (row 0 bottom, col 0 lhs ), invoke
# SetOrientationType method with parameter value of 4.
image1.SetOrientationType(4)
image1.Update()
#
# If the current directory is writable, then test the witers
#
if (catch.catch(globals(),"""channel = open(test.tmp, w)""") == 0):
channel.close()
file.delete("-force", test.tmp)
piw = vtk.vtkPImageWriter()
piw.SetInputConnection(image1.GetOutputPort())
piw.SetFileName(piw.raw)
piw.SetMemoryLimit(1)
piw.Write()
file.delete("-force", piw.raw)
pass
viewer = vtk.vtkImageViewer()
viewer.SetInputConnection(image1.GetOutputPort())
viewer.SetColorWindow(255)
viewer.SetColorLevel(127.5)
viewer.Render()
# --- end of script --
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