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129 lines
3.8 KiB
C++
129 lines
3.8 KiB
C++
/*=========================================================================
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Program: Visualization Toolkit
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Module: vtkRegularPolygonSource.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 vtkRegularPolygonSource
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* @brief create a regular, n-sided polygon and/or polyline
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*
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* vtkRegularPolygonSource is a source object that creates a single n-sided polygon and/or
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* polyline. The polygon is centered at a specified point, orthogonal to
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* a specified normal, and with a circumscribing radius set by the user. The user can
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* also specify the number of sides of the polygon ranging from [3,N].
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*
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* This object can be used for seeding streamlines or defining regions for clipping/cutting.
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*/
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#ifndef vtkRegularPolygonSource_h
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#define vtkRegularPolygonSource_h
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#include "vtkFiltersSourcesModule.h" // For export macro
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#include "vtkPolyDataAlgorithm.h"
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class VTKFILTERSSOURCES_EXPORT vtkRegularPolygonSource : public vtkPolyDataAlgorithm
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{
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public:
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//@{
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/**
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* Standard methods for instantiation, obtaining type and printing instance values.
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*/
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static vtkRegularPolygonSource* New();
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vtkTypeMacro(vtkRegularPolygonSource, vtkPolyDataAlgorithm);
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void PrintSelf(ostream& os, vtkIndent indent) override;
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//@}
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//@{
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/**
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* Set/Get the number of sides of the polygon. By default, the number of sides
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* is set to six.
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*/
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vtkSetClampMacro(NumberOfSides, int, 3, VTK_INT_MAX);
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vtkGetMacro(NumberOfSides, int);
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//@}
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//@{
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/**
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* Set/Get the center of the polygon. By default, the center is set at the
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* origin (0,0,0).
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*/
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vtkSetVector3Macro(Center, double);
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vtkGetVectorMacro(Center, double, 3);
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//@}
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//@{
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/**
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* Set/Get the normal to the polygon. The ordering of the polygon will be
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* counter-clockwise around the normal (i.e., using the right-hand rule).
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* By default, the normal is set to (0,0,1).
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*/
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vtkSetVector3Macro(Normal, double);
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vtkGetVectorMacro(Normal, double, 3);
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//@}
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//@{
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/**
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* Set/Get the radius of the polygon. By default, the radius is set to 0.5.
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*/
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vtkSetMacro(Radius, double);
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vtkGetMacro(Radius, double);
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//@}
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//@{
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/**
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* Control whether a polygon is produced. By default, GeneratePolygon is enabled.
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*/
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vtkSetMacro(GeneratePolygon, vtkTypeBool);
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vtkGetMacro(GeneratePolygon, vtkTypeBool);
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vtkBooleanMacro(GeneratePolygon, vtkTypeBool);
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//@}
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//@{
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/**
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* Control whether a polyline is produced. By default, GeneratePolyline is enabled.
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*/
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vtkSetMacro(GeneratePolyline, vtkTypeBool);
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vtkGetMacro(GeneratePolyline, vtkTypeBool);
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vtkBooleanMacro(GeneratePolyline, vtkTypeBool);
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//@}
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//@{
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/**
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* Set/get the desired precision for the output points.
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* vtkAlgorithm::SINGLE_PRECISION - Output single-precision floating point.
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* vtkAlgorithm::DOUBLE_PRECISION - Output double-precision floating point.
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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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vtkRegularPolygonSource();
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~vtkRegularPolygonSource() override {}
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int RequestData(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
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int NumberOfSides;
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double Center[3];
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double Normal[3];
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double Radius;
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vtkTypeBool GeneratePolygon;
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vtkTypeBool GeneratePolyline;
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int OutputPointsPrecision;
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private:
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vtkRegularPolygonSource(const vtkRegularPolygonSource&) = delete;
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void operator=(const vtkRegularPolygonSource&) = delete;
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};
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#endif
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