vtkDistanceRepresentation3D.h

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/*=========================================================================
 
  Program:   Visualization Toolkit
  Module:    vtkDistanceRepresentation3D.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 vtkDistanceRepresentation3D_h
#define vtkDistanceRepresentation3D_h
 
#include "vtkDistanceRepresentation.h"
#include "vtkInteractionWidgetsModule.h" // For export macro
 
class vtkPoints;
class vtkPolyData;
class vtkPolyDataMapper;
class vtkActor;
class vtkVectorText;
class vtkFollower;
class vtkBox;
class vtkCylinderSource;
class vtkGlyph3D;
class vtkDoubleArray;
class vtkTransformPolyDataFilter;
class vtkProperty;
 
class VTKINTERACTIONWIDGETS_EXPORT vtkDistanceRepresentation3D : public vtkDistanceRepresentation
{
public:
  static vtkDistanceRepresentation3D* New();
 
 
  vtkTypeMacro(vtkDistanceRepresentation3D, vtkDistanceRepresentation);
  void PrintSelf(ostream& os, vtkIndent indent) override;
 
  double GetDistance() override { return this->Distance; }
 
 
  void SetGlyphScale(double scale);
  vtkGetMacro(GlyphScale, double);
 
  virtual vtkProperty* GetLineProperty();
 
 
  void SetLabelPosition(double labelPosition);
  vtkGetMacro(LabelPosition, double);
 
 
  vtkSetClampMacro(MaximumNumberOfRulerTicks, int, 1, VTK_INT_MAX);
  vtkGetMacro(MaximumNumberOfRulerTicks, int);
 
 
  vtkGetObjectMacro(GlyphActor, vtkActor);
 
 
  vtkGetObjectMacro(LabelActor, vtkFollower);
  virtual void SetLabelActor(vtkFollower*);
 
 
  double* GetPoint1WorldPosition() override;
  double* GetPoint2WorldPosition() override;
  void GetPoint1WorldPosition(double pos[3]) override;
  void GetPoint2WorldPosition(double pos[3]) override;
  void SetPoint1WorldPosition(double pos[3]) override;
  void SetPoint2WorldPosition(double pos[3]) override;
 
  void SetPoint1DisplayPosition(double pos[3]) override;
  void SetPoint2DisplayPosition(double pos[3]) override;
  void GetPoint1DisplayPosition(double pos[3]) override;
  void GetPoint2DisplayPosition(double pos[3]) override;
 
 
  void BuildRepresentation() override;
  double* GetBounds() override;
 
 
  void ReleaseGraphicsResources(vtkWindow* w) override;
  int RenderOpaqueGeometry(vtkViewport* viewport) override;
  int RenderTranslucentPolygonalGeometry(vtkViewport* viewport) override;
 
 
  void SetLabelScale(double x, double y, double z)
  {
    double scale[3];
    scale[0] = x;
    scale[1] = y;
    scale[2] = z;
    this->SetLabelScale(scale);
  }
  virtual void SetLabelScale(double scale[3]);
  virtual double* GetLabelScale();
 
  virtual vtkProperty* GetLabelProperty();
 
protected:
  vtkDistanceRepresentation3D();
  ~vtkDistanceRepresentation3D() override;
 
  // The line
  vtkPoints* LinePoints;
  vtkPolyData* LinePolyData;
  vtkPolyDataMapper* LineMapper;
  vtkActor* LineActor;
 
  // The distance label
  vtkVectorText* LabelText;
  vtkPolyDataMapper* LabelMapper;
  vtkFollower* LabelActor;
 
  // Support internal operations
  bool LabelScaleSpecified;
 
  // The 3D disk tick marks
  vtkPoints* GlyphPoints;
  vtkDoubleArray* GlyphVectors;
  vtkPolyData* GlyphPolyData;
  vtkCylinderSource* GlyphCylinder;
  vtkTransformPolyDataFilter* GlyphXForm;
  vtkGlyph3D* Glyph3D;
  vtkPolyDataMapper* GlyphMapper;
  vtkActor* GlyphActor;
 
  // Glyph3D scale
  double GlyphScale;
  bool GlyphScaleSpecified;
 
  // The distance between the two points
  double Distance;
 
  // Support GetBounds() method
  vtkBox* BoundingBox;
 
  // Maximum number of ticks on the 3d ruler
  int MaximumNumberOfRulerTicks;
 
  // Label title position
  double LabelPosition;
 
private:
  vtkDistanceRepresentation3D(const vtkDistanceRepresentation3D&) = delete;
  void operator=(const vtkDistanceRepresentation3D&) = delete;
 
  // Internal method to update the position of the label.
  void UpdateLabelPosition();
};
 
#endif