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/*=========================================================================
Program: Visualization Toolkit
Module: vtkTensorProbeRepresentation.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 vtkTensorProbeRepresentation - Abstract class that serves as a representation for vtkTensorProbeWidget
// .SECTION Description
// The class serves as an abstract geometrical representation for the
// vtkTensorProbeWidget. It is left to the concrete implementation to render
// the tensors as it desires. For instance,
// vtkEllipsoidTensorProbeRepresentation renders the tensors as ellipsoids.
//
// .SECTION See Also
// vtkTensorProbeWidget
#ifndef __vtkTensorProbeRepresentation_h
#define __vtkTensorProbeRepresentation_h
#include "vtkWidgetRepresentation.h"
class vtkActor;
class vtkPolyData;
class vtkPolyDataMapper;
class vtkGenericCell;
class VTK_WIDGETS_EXPORT vtkTensorProbeRepresentation :
public vtkWidgetRepresentation
{
public:
// Description:
// Standard methods for instances of this class.
vtkTypeMacro(vtkTensorProbeRepresentation,vtkWidgetRepresentation);
void PrintSelf(ostream& os, vtkIndent indent);
// Description:
// See vtkWidgetRepresentation for details.
virtual void BuildRepresentation();
virtual int RenderOpaqueGeometry(vtkViewport *);
// Description:
// Set the position of the Tensor probe.
vtkSetVector3Macro( ProbePosition, double );
vtkGetVector3Macro( ProbePosition, double );
vtkSetMacro( ProbeCellId, vtkIdType );
vtkGetMacro( ProbeCellId, vtkIdType );
// Description:
// Set the trajectory that we are trying to probe tensors on
virtual void SetTrajectory( vtkPolyData * );
// Description:
// Set the probe position to a reasonable location on the trajectory.
void Initialize();
// Description:
// This method is invoked by the widget during user interaction.
// Can we pick the tensor glyph at the current cursor pos
virtual int SelectProbe( int pos[2] ) = 0;
// Description:
// INTERNAL - Do not use
// This method is invoked by the widget during user interaction.
// Move probe based on the position and the motion vector.
virtual int Move( double motionVector[2] );
// Description:
// See vtkProp for details.
virtual void GetActors(vtkPropCollection *);
virtual void ReleaseGraphicsResources(vtkWindow *);
protected:
vtkTensorProbeRepresentation();
~vtkTensorProbeRepresentation();
void FindClosestPointOnPolyline(
double displayPos[2], double closestWorldPos[3], vtkIdType &cellId,
int maxSpeed = 10 );
vtkActor * TrajectoryActor;
vtkPolyDataMapper * TrajectoryMapper;
vtkPolyData * Trajectory;
double ProbePosition[3];
vtkIdType ProbeCellId;
private:
vtkTensorProbeRepresentation(
const vtkTensorProbeRepresentation&); //Not implemented
void operator=(const vtkTensorProbeRepresentation&); //Not implemented
};
#endif
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