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#!/usr/bin/env python
# -*- coding: utf-8 -*-
'''
=========================================================================
Program: Visualization Toolkit
Module: TestNamedColorsIntegration.py
Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
All rights reserved.
See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notice for more information.
=========================================================================
'''
import vtk
import vtk.test.Testing
from vtk.util.misc import vtkGetDataRoot
VTK_DATA_ROOT = vtkGetDataRoot()
class TestAllMaskBits(vtk.test.Testing.vtkTest):
def testAllMaskBits(self):
# This script calculates the luminance of an image
renWin = vtk.vtkRenderWindow()
# Image pipeline
image1 = vtk.vtkTIFFReader()
image1.SetFileName(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)
shrink = vtk.vtkImageShrink3D()
shrink.SetInputConnection(image1.GetOutputPort())
shrink.SetShrinkFactors(2, 2, 1)
operators = ["ByPass", "And", "Nand", "Xor", "Or", "Nor"]
operator = dict()
mapper = dict()
actor = dict()
imager = dict()
for idx, op in enumerate(operators):
if op != "ByPass":
operator.update({idx: vtk.vtkImageMaskBits()})
operator[idx].SetInputConnection(shrink.GetOutputPort())
eval('operator[' + str(idx) + '].SetOperationTo' + op + '()')
operator[idx].SetMasks(255, 255, 0)
mapper.update({idx: vtk.vtkImageMapper()})
if op != "ByPass":
mapper[idx].SetInputConnection(operator[idx].GetOutputPort())
else:
mapper[idx].SetInputConnection(shrink.GetOutputPort())
mapper[idx].SetColorWindow(255)
mapper[idx].SetColorLevel(127.5)
actor.update({idx: vtk.vtkActor2D()})
actor[idx].SetMapper(mapper[idx])
imager.update({idx: vtk.vtkRenderer()})
imager[idx].AddActor2D(actor[idx])
renWin.AddRenderer(imager[idx])
column = 0
row = 0
deltaX = 1.0 / 3.0
deltaY = 1.0 / 2.0
for idx in range(len(operators)):
imager[idx].SetViewport(column * deltaX, row * deltaY, (column + 1) * deltaX, (row + 1) * deltaY)
column += 1
if column > 2:
column = 0
row += 1
renWin.SetSize(384, 256)
# render and interact with data
iRen = vtk.vtkRenderWindowInteractor()
iRen.SetRenderWindow(renWin);
renWin.Render()
img_file = "TestAllMaskBits.png"
vtk.test.Testing.compareImage(iRen.GetRenderWindow(), vtk.test.Testing.getAbsImagePath(img_file), threshold=25)
vtk.test.Testing.interact()
if __name__ == "__main__":
vtk.test.Testing.main([(TestAllMaskBits, 'test')])
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