1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
|
package require vtk
# This script subtracts the 2D laplacian from an image to enhance the edges.
# Image pipeline
vtkPNGReader reader
reader SetFileName "$VTK_DATA_ROOT/Data/fullhead15.png"
vtkImageCast cast
cast SetInputConnection [reader GetOutputPort]
cast SetOutputScalarTypeToDouble
cast Update
vtkImageLaplacian lap
lap SetInputConnection [cast GetOutputPort]
lap SetDimensionality 2
lap Update
vtkImageMathematics subtract
subtract SetOperationToSubtract
subtract SetInput1Data [cast GetOutput]
subtract SetInput2Data [lap GetOutput]
subtract ReleaseDataFlagOff
#subtract BypassOn
vtkImageViewer viewer
#viewer DebugOn
viewer SetInputConnection [subtract GetOutputPort]
viewer SetColorWindow 2000
viewer SetColorLevel 1000
viewer Render
|
