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93 lines
3.4 KiB
93 lines
3.4 KiB
/*=========================================================================
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Program: Visualization Toolkit
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Module: $RCSfile: vtkRegularPolygonSource.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 vtkRegularPolygonSource - create a regular, n-sided polygon and/or polyline
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// .SECTION Description
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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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#ifndef __vtkRegularPolygonSource_h
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#define __vtkRegularPolygonSource_h
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#include "vtkPolyDataAlgorithm.h"
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class VTK_GRAPHICS_EXPORT vtkRegularPolygonSource : public vtkPolyDataAlgorithm
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{
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public:
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// Description:
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// Standard methods for instantiation, obtaining type and printing instance values.
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static vtkRegularPolygonSource *New();
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vtkTypeRevisionMacro(vtkRegularPolygonSource,vtkPolyDataAlgorithm);
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void PrintSelf(ostream& os, vtkIndent indent);
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// Description:
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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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vtkSetClampMacro(NumberOfSides,int,3,VTK_LARGE_INTEGER);
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vtkGetMacro(NumberOfSides,int);
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// Description:
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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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vtkSetVector3Macro(Center,double);
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vtkGetVectorMacro(Center,double,3);
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// Description:
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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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vtkSetVector3Macro(Normal,double);
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vtkGetVectorMacro(Normal,double,3);
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// Description:
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// Set/Get the radius of the polygon. By default, the radius is set to 0.5.
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vtkSetMacro(Radius,double);
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vtkGetMacro(Radius,double);
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// Description:
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// Control whether a polygon is produced. By default, GeneratePolygon is enabled.
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vtkSetMacro(GeneratePolygon,int);
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vtkGetMacro(GeneratePolygon,int);
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vtkBooleanMacro(GeneratePolygon,int);
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// Description:
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// Control whether a polyline is produced. By default, GeneratePolyline is enabled.
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vtkSetMacro(GeneratePolyline,int);
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vtkGetMacro(GeneratePolyline,int);
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vtkBooleanMacro(GeneratePolyline,int);
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protected:
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vtkRegularPolygonSource();
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~vtkRegularPolygonSource() {}
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int RequestData(vtkInformation *, vtkInformationVector **, vtkInformationVector *);
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int RequestInformation(vtkInformation *, vtkInformationVector **, vtkInformationVector *);
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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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int GeneratePolygon;
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int GeneratePolyline;
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private:
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vtkRegularPolygonSource(const vtkRegularPolygonSource&); // Not implemented.
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void operator=(const vtkRegularPolygonSource&); // Not implemented.
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};
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#endif
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