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82 lines
2.5 KiB
82 lines
2.5 KiB
2 years ago
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/*=========================================================================
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Program: Visualization Toolkit
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Module: $RCSfile: vtkHedgeHog.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 vtkHedgeHog - create oriented lines from vector data
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// .SECTION Description
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// vtkHedgeHog creates oriented lines from the input data set. Line
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// length is controlled by vector (or normal) magnitude times scale
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// factor. If VectorMode is UseNormal, normals determine the orientation
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// of the lines. Lines are colored by scalar data, if available.
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#ifndef __vtkHedgeHog_h
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#define __vtkHedgeHog_h
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#include "vtkPolyDataAlgorithm.h"
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#define VTK_USE_VECTOR 0
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#define VTK_USE_NORMAL 1
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class VTK_GRAPHICS_EXPORT vtkHedgeHog : public vtkPolyDataAlgorithm
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{
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public:
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static vtkHedgeHog *New();
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vtkTypeRevisionMacro(vtkHedgeHog,vtkPolyDataAlgorithm);
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void PrintSelf(ostream& os, vtkIndent indent);
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// Description:
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// Set scale factor to control size of oriented lines.
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vtkSetMacro(ScaleFactor,double);
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vtkGetMacro(ScaleFactor,double);
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// Description:
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// Specify whether to use vector or normal to perform vector operations.
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vtkSetMacro(VectorMode,int);
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vtkGetMacro(VectorMode,int);
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void SetVectorModeToUseVector() {this->SetVectorMode(VTK_USE_VECTOR);};
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void SetVectorModeToUseNormal() {this->SetVectorMode(VTK_USE_NORMAL);};
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const char *GetVectorModeAsString();
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protected:
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vtkHedgeHog();
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~vtkHedgeHog() {};
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virtual int RequestData(vtkInformation *, vtkInformationVector **, vtkInformationVector *);
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virtual int FillInputPortInformation(int port, vtkInformation *info);
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double ScaleFactor;
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int VectorMode; // Orient/scale via normal or via vector data
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private:
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vtkHedgeHog(const vtkHedgeHog&); // Not implemented.
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void operator=(const vtkHedgeHog&); // Not implemented.
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};
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// Description:
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// Return the vector mode as a character string.
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inline const char *vtkHedgeHog::GetVectorModeAsString(void)
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{
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if ( this->VectorMode == VTK_USE_VECTOR)
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{
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return "UseVector";
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}
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else if ( this->VectorMode == VTK_USE_NORMAL)
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{
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return "UseNormal";
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}
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else
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{
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return "Unknown";
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}
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}
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#endif
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