vtkTerrainDataPointPlacer.h

Go to the documentation of this file.

/*=========================================================================

  Program:   Visualization Toolkit
  Module:    vtkTerrainDataPointPlacer.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 vtkTerrainDataPointPlacer_h
#define vtkTerrainDataPointPlacer_h

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

class vtkPropCollection;
class vtkProp;
class vtkPropPicker;

class VTKINTERACTIONWIDGETS_EXPORT vtkTerrainDataPointPlacer : public vtkPointPlacer
{
public:
  static vtkTerrainDataPointPlacer *New();


  vtkTypeMacro(vtkTerrainDataPointPlacer,vtkPointPlacer);
  void PrintSelf(ostream& os, vtkIndent indent) override;

  // Descuription:
  // Add an actor (that represents a terrain in a rendererd scene) to the
  // list. Only props in this list are considered by the PointPlacer
  virtual void AddProp( vtkProp * );
  virtual void RemoveAllProps();


  vtkSetMacro(HeightOffset,double);
  vtkGetMacro(HeightOffset,double);

  int ComputeWorldPosition( vtkRenderer *ren,
                                    double displayPos[2],
                                    double worldPos[3],
                                    double worldOrient[9] ) override;

  int ComputeWorldPosition( vtkRenderer *ren,
                                    double displayPos[2],
                                    double refWorldPos[3],
                                    double worldPos[3],
                                    double worldOrient[9] ) override;

  int ValidateWorldPosition( double worldPos[3] ) override;

  int ValidateDisplayPosition( vtkRenderer *, double displayPos[2] ) override;

  int ValidateWorldPosition( double worldPos[3],
                                     double worldOrient[9] ) override;


  vtkGetObjectMacro( PropPicker, vtkPropPicker );

protected:
  vtkTerrainDataPointPlacer();
  ~vtkTerrainDataPointPlacer() override;

  // The props that represents the terrain data (one or more) in a rendered
  // scene
  vtkPropCollection  *TerrainProps;
  vtkPropPicker      *PropPicker;
  double              HeightOffset;

private:
  vtkTerrainDataPointPlacer(const vtkTerrainDataPointPlacer&) = delete;
  void operator=(const vtkTerrainDataPointPlacer&) = delete;
};

#endif