vtkParallelCoordinatesActor.h

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/*=========================================================================
 
  Program:   Visualization Toolkit
  Module:    vtkParallelCoordinatesActor.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 vtkParallelCoordinatesActor_h
#define vtkParallelCoordinatesActor_h
 
#include "vtkActor2D.h"
#include "vtkRenderingAnnotationModule.h" // For export macro
 
class vtkAlgorithmOutput;
class vtkAxisActor2D;
class vtkDataObject;
class vtkPolyData;
class vtkPolyDataMapper2D;
class vtkTextMapper;
class vtkTextProperty;
class vtkParallelCoordinatesActorConnection;
 
#define VTK_IV_COLUMN 0
#define VTK_IV_ROW 1
 
class VTKRENDERINGANNOTATION_EXPORT vtkParallelCoordinatesActor : public vtkActor2D
{
public:
  vtkTypeMacro(vtkParallelCoordinatesActor, vtkActor2D);
  void PrintSelf(ostream& os, vtkIndent indent) override;
 
  static vtkParallelCoordinatesActor* New();
 
 
  vtkSetClampMacro(IndependentVariables, int, VTK_IV_COLUMN, VTK_IV_ROW);
  vtkGetMacro(IndependentVariables, int);
  void SetIndependentVariablesToColumns() { this->SetIndependentVariables(VTK_IV_COLUMN); }
  void SetIndependentVariablesToRows() { this->SetIndependentVariables(VTK_IV_ROW); }
 
 
  vtkSetStringMacro(Title);
  vtkGetStringMacro(Title);
 
 
  vtkSetClampMacro(NumberOfLabels, int, 0, 50);
  vtkGetMacro(NumberOfLabels, int);
 
 
  vtkSetStringMacro(LabelFormat);
  vtkGetStringMacro(LabelFormat);
 
 
  virtual void SetTitleTextProperty(vtkTextProperty* p);
  vtkGetObjectMacro(TitleTextProperty, vtkTextProperty);
 
 
  virtual void SetLabelTextProperty(vtkTextProperty* p);
  vtkGetObjectMacro(LabelTextProperty, vtkTextProperty);
 
 
  int RenderOpaqueGeometry(vtkViewport*) override;
  int RenderOverlay(vtkViewport*) override;
  int RenderTranslucentPolygonalGeometry(vtkViewport*) override { return 0; }
 
  vtkTypeBool HasTranslucentPolygonalGeometry() override;
 
  virtual void SetInputConnection(vtkAlgorithmOutput*);
 
  virtual void SetInputData(vtkDataObject*);
 
  vtkDataObject* GetInput();
 
  void ReleaseGraphicsResources(vtkWindow*) override;
 
protected:
  vtkParallelCoordinatesActor();
  ~vtkParallelCoordinatesActor() override;
 
private:
  vtkParallelCoordinatesActorConnection* ConnectionHolder;
 
  int IndependentVariables; // Use column or row
  vtkIdType N;              // The number of independent variables
  double* Mins;             // Minimum data value along this row/column
  double* Maxs;             // Maximum data value along this row/column
  int* Xs;                  // Axes x-values (in viewport coordinates)
  int YMin;                 // Axes y-min-value (in viewport coordinates)
  int YMax;                 // Axes y-max-value (in viewport coordinates)
  int NumberOfLabels;       // Along each axis
  char* LabelFormat;
  char* Title;
 
  vtkAxisActor2D** Axes;
  vtkTextMapper* TitleMapper;
  vtkActor2D* TitleActor;
 
  vtkTextProperty* TitleTextProperty;
  vtkTextProperty* LabelTextProperty;
 
  vtkPolyData* PlotData; // The lines drawn within the axes
  vtkPolyDataMapper2D* PlotMapper;
  vtkActor2D* PlotActor;
 
  vtkTimeStamp BuildTime;
 
  int LastPosition[2];
  int LastPosition2[2];
 
  void Initialize();
  int PlaceAxes(vtkViewport* viewport, const int* size);
 
private:
  vtkParallelCoordinatesActor(const vtkParallelCoordinatesActor&) = delete;
  void operator=(const vtkParallelCoordinatesActor&) = delete;
};
 
#endif