vtkTensorProbeRepresentation.h

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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.

=========================================================================*/
#ifndef __vtkTensorProbeRepresentation_h
#define __vtkTensorProbeRepresentation_h

#include "vtkInteractionWidgetsModule.h" // For export macro
#include "vtkWidgetRepresentation.h"

class vtkActor;
class vtkPolyData;
class vtkPolyDataMapper;
class vtkGenericCell;

class VTKINTERACTIONWIDGETS_EXPORT vtkTensorProbeRepresentation :
                           public vtkWidgetRepresentation
{
public:

  vtkTypeMacro(vtkTensorProbeRepresentation,vtkWidgetRepresentation);
  void PrintSelf(ostream& os, vtkIndent indent);


  virtual void BuildRepresentation();
  virtual int RenderOpaqueGeometry(vtkViewport *);


  vtkSetVector3Macro( ProbePosition, double );
  vtkGetVector3Macro( ProbePosition, double );
  vtkSetMacro( ProbeCellId, vtkIdType );
  vtkGetMacro( ProbeCellId, vtkIdType );

  virtual void SetTrajectory( vtkPolyData * );

  void Initialize();

  virtual int SelectProbe( int pos[2] ) = 0;

  virtual int Move( double motionVector[2] );


  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