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69 lines
2.3 KiB
69 lines
2.3 KiB
2 years ago
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/*=========================================================================
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Program: Visualization Toolkit
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Module: $RCSfile: vtkSimpleImageFilterExample.cxx,v $
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Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
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All rights reserved.
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See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
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This software is distributed WITHOUT ANY WARRANTY; without even
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the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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PURPOSE. See the above copyright notice for more information.
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=========================================================================*/
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#include "vtkSimpleImageFilterExample.h"
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#include "vtkImageData.h"
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#include "vtkObjectFactory.h"
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vtkCxxRevisionMacro(vtkSimpleImageFilterExample, "$Revision: 1.11 $");
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vtkStandardNewMacro(vtkSimpleImageFilterExample);
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// The switch statement in Execute will call this method with
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// the appropriate input type (IT). Note that this example assumes
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// that the output data type is the same as the input data type.
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// This is not always the case.
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template <class IT>
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void vtkSimpleImageFilterExampleExecute(vtkImageData* input,
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vtkImageData* output,
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IT* inPtr, IT* outPtr)
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{
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int dims[3];
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input->GetDimensions(dims);
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if (input->GetScalarType() != output->GetScalarType())
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{
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vtkGenericWarningMacro(<< "Execute: input ScalarType, " << input->GetScalarType()
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<< ", must match out ScalarType " << output->GetScalarType());
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return;
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}
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int size = dims[0]*dims[1]*dims[2];
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for(int i=0; i<size; i++)
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{
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outPtr[i] = inPtr[i];
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}
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}
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void vtkSimpleImageFilterExample::SimpleExecute(vtkImageData* input,
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vtkImageData* output)
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{
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void* inPtr = input->GetScalarPointer();
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void* outPtr = output->GetScalarPointer();
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switch(output->GetScalarType())
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{
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// This is simple a #define for a big case list. It handles
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// all data types vtk can handle.
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vtkTemplateMacro(
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vtkSimpleImageFilterExampleExecute( input, output,
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(VTK_TT *)(inPtr),
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(VTK_TT *)(outPtr)));
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default:
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vtkGenericWarningMacro("Execute: Unknown input ScalarType");
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return;
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}
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}
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