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/*=========================================================================
Program: Visualization Toolkit
Module: vtkTransformCoordinateSystems.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 vtkTransformCoordinateSystems
* @brief transform points into different coordinate systems
*
* This filter transforms points from one coordinate system to another. The user
* must specify the coordinate systems in which the input and output are
* specified. The user must also specify the VTK viewport (i.e., renderer) in
* which the transformation occurs.
*
* @sa
* vtkCoordinate vtkTransformFilter vtkTransformPolyData vtkPolyDataMapper2D
*/
#ifndef vtkTransformCoordinateSystems_h
#define vtkTransformCoordinateSystems_h
#include "vtkRenderingCoreModule.h" // For export macro
#include "vtkPointSetAlgorithm.h"
#include "vtkCoordinate.h" //to get the defines in vtkCoordinate
class VTKRENDERINGCORE_EXPORT vtkTransformCoordinateSystems : public vtkPointSetAlgorithm
{
public:
//@{
/**
* Standard methods for type information and printing.
*/
vtkTypeMacro(vtkTransformCoordinateSystems, vtkPointSetAlgorithm);
void PrintSelf(ostream& os, vtkIndent indent);
//@}
/**
* Instantiate this class. By default no transformation is specified and
* the input and output is identical.
*/
static vtkTransformCoordinateSystems *New();
//@{
/**
* Set/get the coordinate system in which the input is specified.
* The current options are World, Viewport, and Display. By default the
* input coordinate system is World.
*/
vtkSetMacro(InputCoordinateSystem, int);
vtkGetMacro(InputCoordinateSystem, int);
void SetInputCoordinateSystemToDisplay()
{ this->SetInputCoordinateSystem(VTK_DISPLAY); }
void SetInputCoordinateSystemToViewport()
{ this->SetInputCoordinateSystem(VTK_VIEWPORT); }
void SetInputCoordinateSystemToWorld()
{ this->SetInputCoordinateSystem(VTK_WORLD); }
//@}
//@{
/**
* Set/get the coordinate system to which to transform the output.
* The current options are World, Viewport, and Display. By default the
* output coordinate system is Display.
*/
vtkSetMacro(OutputCoordinateSystem, int);
vtkGetMacro(OutputCoordinateSystem, int);
void SetOutputCoordinateSystemToDisplay()
{ this->SetOutputCoordinateSystem(VTK_DISPLAY); }
void SetOutputCoordinateSystemToViewport()
{ this->SetOutputCoordinateSystem(VTK_VIEWPORT); }
void SetOutputCoordinateSystemToWorld()
{ this->SetOutputCoordinateSystem(VTK_WORLD); }
//@}
/**
* Return the MTime also considering the instance of vtkCoordinate.
*/
vtkMTimeType GetMTime();
//@{
/**
* In order for a successful coordinate transformation to occur, an
* instance of vtkViewport (e.g., a VTK renderer) must be specified.
* NOTE: this is a raw pointer, not a weak pointer nor a reference counted
* object, to avoid reference cycle loop between rendering classes and filter
* classes.
*/
void SetViewport(vtkViewport* viewport);
vtkGetObjectMacro(Viewport, vtkViewport);
//@}
protected:
vtkTransformCoordinateSystems();
~vtkTransformCoordinateSystems();
virtual int RequestData(vtkInformation *, vtkInformationVector **, vtkInformationVector *);
int InputCoordinateSystem;
int OutputCoordinateSystem;
vtkViewport* Viewport;
vtkCoordinate* TransformCoordinate;
private:
vtkTransformCoordinateSystems(const vtkTransformCoordinateSystems&) VTK_DELETE_FUNCTION;
void operator=(const vtkTransformCoordinateSystems&) VTK_DELETE_FUNCTION;
};
#endif
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