SimpleITK  1.3.0.dev466
Python/ImageCreateAndSet.py
1 #!/usr/bin/env python
2 #=========================================================================
3 #
4 # Copyright Insight Software Consortium
5 #
6 # Licensed under the Apache License, Version 2.0 (the "License");
7 # you may not use this file except in compliance with the License.
8 # You may obtain a copy of the License at
9 #
10 # http://www.apache.org/licenses/LICENSE-2.0.txt
11 #
12 # Unless required by applicable law or agreed to in writing, software
13 # distributed under the License is distributed on an "AS IS" BASIS,
14 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 # See the License for the specific language governing permissions and
16 # limitations under the License.
17 #
18 #=========================================================================
19 
20 from __future__ import print_function
21 
22 import SimpleITK as sitk
23 import os
24 
25 xImg = sitk.Image( 256, 256, sitk.sitkFloat32 )
26 yImg = sitk.Image( 256, 256, sitk.sitkFloat32 )
27 
28 for y in range( 0, xImg.GetSize()[1] ):
29  for x in range( 0, xImg.GetSize()[0] ):
30  xImg.SetPixel( x, y, x )
31  yImg[x, y] = y
32 
33 
34 sigma = 50
35 
36 xImg = sitk.Subtract( xImg, xImg.GetSize()[0] / 2 )
37 yImg = yImg - yImg.GetSize()[1] / 2
38 
39 gaussianImg = sitk.Exp( -1 * (xImg**2 + yImg**2) / (2.0 * sigma**2) )
40 
41 
42 if ( not "SITK_NOSHOW" in os.environ ):
43  sitk.Show( gaussianImg, "Gaussian Blob" )