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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.
=========================================================================*/
// .NAME vtkTransformCoordinateSystems - transform points into different coordinate systems
// .SECTION Description
// 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.
//
// .SECTION See Also
// 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:
// Description:
// Standard methods for type information and printing.
vtkTypeMacro(vtkTransformCoordinateSystems, vtkPointSetAlgorithm);
void PrintSelf(ostream& os, vtkIndent indent);
// Description
// Instantiate this class. By default no transformation is specified and
// the input and output is identical.
static vtkTransformCoordinateSystems *New();
// Description:
// 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); }
// Description:
// 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); }
// Description:
// Return the MTime also considering the instance of vtkCoordinate.
unsigned long GetMTime();
// Description:
// In order for 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 not 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&); // Not implemented.
void operator=(const vtkTransformCoordinateSystems&); // Not implemented.
};
#endif
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