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106 lines
2.9 KiB
C
106 lines
2.9 KiB
C
3 weeks ago
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/*=========================================================================
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Program: Visualization Toolkit
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Module: vtkHedgeHog.h
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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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/**
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* @class vtkHedgeHog
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* @brief create oriented lines from vector data
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*
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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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*/
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#ifndef vtkHedgeHog_h
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#define vtkHedgeHog_h
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#include "vtkFiltersCoreModule.h" // For export macro
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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 VTKFILTERSCORE_EXPORT vtkHedgeHog : public vtkPolyDataAlgorithm
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{
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public:
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static vtkHedgeHog* New();
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vtkTypeMacro(vtkHedgeHog, vtkPolyDataAlgorithm);
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void PrintSelf(ostream& os, vtkIndent indent) override;
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//@{
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/**
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* Set scale factor to control size of oriented lines.
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*/
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vtkSetMacro(ScaleFactor, double);
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vtkGetMacro(ScaleFactor, double);
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//@}
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//@{
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/**
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* Specify whether to use vector or normal to perform vector operations.
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*/
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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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//@}
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//@{
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/**
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* Set/get the desired precision for the output types. See the documentation
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* for the vtkAlgorithm::DesiredOutputPrecision enum for an explanation of
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* the available precision settings.
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*/
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vtkSetMacro(OutputPointsPrecision, int);
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vtkGetMacro(OutputPointsPrecision, int);
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//@}
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protected:
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vtkHedgeHog();
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~vtkHedgeHog() override {}
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int RequestData(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
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int FillInputPortInformation(int port, vtkInformation* info) override;
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double ScaleFactor;
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int VectorMode; // Orient/scale via normal or via vector data
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int OutputPointsPrecision;
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private:
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vtkHedgeHog(const vtkHedgeHog&) = delete;
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void operator=(const vtkHedgeHog&) = delete;
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};
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//@{
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/**
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* Return the vector mode as a character string.
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*/
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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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//@}
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