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