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This issue was created automatically from an original Mantis Issue. Further discussion may take place here.

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Tcl program freezes when using DebugOn in vtkImageMathematics as shown in the following TCL program:

============================= package require vtk package require vtkinteraction

vtkImageData id id SetDimensions 10 20 5 id SetScalarTypeToDouble id SetNumberOfScalarComponents 3 id AllocateScalars id Update

vtkExtractVOI slice1 slice1 SetInput id slice1 SetVOI 0 10000 0 10000 1 2

vtkExtractVOI slice2 slice2 SetInput id slice2 SetVOI 0 10000 0 10000 1 2

vtkImageMathematics diff diff DebugOn diff SetOperationToSubtract diff SetInput1 [slice1 GetOutput] diff SetInput2 [slice2 GetOutput] diff Update

vtkImageWriter writer writer SetInput [diff GetOutput] writer SetFileDimensionality 3 writer SetFileName test_diff.raw writer Write