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96 lines
3.2 KiB
96 lines
3.2 KiB
2 years ago
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/*=========================================================================
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Program: Visualization Toolkit
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Module: $RCSfile: vtkImageSeparableConvolution.h,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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// .NAME vtkImageSeparableConvolution - 3 1D convolutions on an image
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// .SECTION Description
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// vtkImageSeparableConvolution performs a convolution along the X, Y,
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// and Z axes of an image, based on the three different 1D convolution
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// kernels. The kernels must be of odd size, and are considered to be
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// centered at (int)((kernelsize - 1) / 2.0 ). If a kernel is NULL,
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// that dimension is skipped. This filter is designed to efficiently
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// convolve separable filters that can be decomposed into 1 or more 1D
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// convolutions. It also handles arbitrarly large kernel sizes, and
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// uses edge replication to handle boundaries.
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#ifndef __vtkImageSeparableConvolution_h
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#define __vtkImageSeparableConvolution_h
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#include "vtkImageDecomposeFilter.h"
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class vtkFloatArray;
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class VTK_IMAGING_EXPORT vtkImageSeparableConvolution : public vtkImageDecomposeFilter
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{
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public:
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static vtkImageSeparableConvolution *New();
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vtkTypeRevisionMacro(vtkImageSeparableConvolution,vtkImageDecomposeFilter);
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// Set the X convolution kernel, a null value indicates no convolution to
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// be done. The kernel must be of odd length
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virtual void SetXKernel(vtkFloatArray*);
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vtkGetObjectMacro ( XKernel, vtkFloatArray );
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// Set the Y convolution kernel, a null value indicates no convolution to
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// be done The kernel must be of odd length
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virtual void SetYKernel(vtkFloatArray*);
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vtkGetObjectMacro ( YKernel, vtkFloatArray );
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// Set the Z convolution kernel, a null value indicates no convolution to
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// be done The kernel must be of odd length
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virtual void SetZKernel(vtkFloatArray*);
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vtkGetObjectMacro ( ZKernel, vtkFloatArray );
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void PrintSelf(ostream& os, vtkIndent indent);
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// Description:
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// Overload standard modified time function. If kernel arrays are modified,
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// then this object is modified as well.
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unsigned long int GetMTime();
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protected:
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vtkImageSeparableConvolution();
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~vtkImageSeparableConvolution();
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vtkFloatArray* XKernel;
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vtkFloatArray* YKernel;
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vtkFloatArray* ZKernel;
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virtual int IterativeRequestData(vtkInformation*,
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vtkInformationVector**,
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vtkInformationVector*);
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virtual int IterativeRequestInformation(vtkInformation* in,
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vtkInformation* out);
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virtual int IterativeRequestUpdateExtent(vtkInformation* in,
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vtkInformation* out);
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private:
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vtkImageSeparableConvolution(const vtkImageSeparableConvolution&); // Not implemented.
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void operator=(const vtkImageSeparableConvolution&); // Not implemented.
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};
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#endif
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