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vtkEllipseArcSource.h
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vtkEllipseArcSource.h
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/*=========================================================================
Program: Visualization Toolkit
Module: vtkEllipseArcSource.h
Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
All rights reserved.
See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notice for more information.
=========================================================================*/
/**
* @class vtkEllipseArcSource
* @brief create an elliptical arc
*
*
* vtkEllipseArcSource is a source object that creates an elliptical arc
* defined by a normal, a center and the major radius vector.
* You can define an angle to draw only a section of the ellipse. The number of
* segments composing the polyline is controlled by setting the object
* resolution.
*
* @sa
* vtkArcSource
*/
#ifndef vtkEllipseArcSource_h
#define vtkEllipseArcSource_h
#include "vtkFiltersSourcesModule.h" // For export macro
#include "vtkPolyDataAlgorithm.h"
class VTKFILTERSSOURCES_EXPORT vtkEllipseArcSource : public vtkPolyDataAlgorithm
{
public:
static vtkEllipseArcSource *New();
vtkTypeMacro(vtkEllipseArcSource, vtkPolyDataAlgorithm);
void PrintSelf(ostream& os, vtkIndent indent) VTK_OVERRIDE;
//@{
/**
* Set position of the center of the ellipse that define the arc.
* Default is 0, 0, 0.
*/
vtkSetVector3Macro(Center, double);
vtkGetVectorMacro(Center, double, 3);
//@}
//@{
/**
* Set normal vector. Represents the plane in which the ellipse will be drawn.
* Default 0, 0, 1.
*/
vtkSetVector3Macro(Normal, double);
vtkGetVectorMacro(Normal, double, 3);
//@}
//@{
/**
* Set Major Radius Vector. It defines the origin of polar angle and the major
* radius size.
* Default is 1, 0, 0.
*/
vtkSetVector3Macro(MajorRadiusVector, double);
vtkGetVectorMacro(MajorRadiusVector, double, 3);
//@}
//@{
/**
* Set the start angle. The angle where the plot begins.
* Default is 0.
*/
vtkSetClampMacro(StartAngle, double, -360.0, 360.0);
vtkGetMacro(StartAngle, double);
//@}
//@{
/**
* Angular sector occupied by the arc, beginning at Start Angle
* Default is 90.
*/
vtkSetClampMacro(SegmentAngle, double, 0.0, 360.0);
vtkGetMacro(SegmentAngle, double);
//@}
//@{
/**
* Divide line into resolution number of pieces.
* Note: if Resolution is set to 1 the arc is a
* straight line. Default is 100.
*/
vtkSetClampMacro(Resolution, int, 1, VTK_INT_MAX);
vtkGetMacro(Resolution, int);
//@}
//@{
/**
* Set/get the desired precision for the output points.
* vtkAlgorithm::SINGLE_PRECISION - Output single-precision floating point,
* This is the default.
* vtkAlgorithm::DOUBLE_PRECISION - Output double-precision floating point.
*/
vtkSetMacro(OutputPointsPrecision, int);
vtkGetMacro(OutputPointsPrecision, int);
//@}
//@{
/**
* Set the ratio of the ellipse, i.e. the ratio b/a _ b: minor radius;
* a: major radius
* default is 1.
*/
vtkSetClampMacro(Ratio, double, 0.001, 100.0);
vtkGetMacro(Ratio, double);
//@}
protected:
vtkEllipseArcSource();
~vtkEllipseArcSource() VTK_OVERRIDE {}
int RequestData(vtkInformation *, vtkInformationVector **,
vtkInformationVector *) VTK_OVERRIDE;
double Center[3];
double Normal[3];
double MajorRadiusVector[3];
double StartAngle;
double SegmentAngle;
int Resolution;
double Ratio;
int OutputPointsPrecision;
private:
vtkEllipseArcSource(const vtkEllipseArcSource&) VTK_DELETE_FUNCTION;
void operator=(const vtkEllipseArcSource&) VTK_DELETE_FUNCTION;
};
#endif