vtkParallelCoordinatesActor.h

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

  Program:   Visualization Toolkit
  Module:    $RCSfile: vtkParallelCoordinatesActor.h,v $

  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"

class vtkAxisActor2D;
class vtkDataObject;
class vtkPolyData;
class vtkPolyDataMapper2D;
class vtkTextMapper;
class vtkTextProperty;

#define VTK_IV_COLUMN 0
#define VTK_IV_ROW    1

class VTK_RENDERING_EXPORT vtkParallelCoordinatesActor : public vtkActor2D
{
public:
  vtkTypeRevisionMacro(vtkParallelCoordinatesActor,vtkActor2D);
  void PrintSelf(ostream& os, vtkIndent indent);

  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*);
  int RenderOverlay(vtkViewport*);
  int RenderTranslucentGeometry(vtkViewport *) {return 0;}

  virtual void SetInput(vtkDataObject*);


  vtkGetObjectMacro(Input,vtkDataObject);

  void ReleaseGraphicsResources(vtkWindow *);

protected:
  vtkParallelCoordinatesActor();
  ~vtkParallelCoordinatesActor();

private:
  vtkDataObject *Input;        // List of data sets to plot

  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, int *size);

private:
  vtkParallelCoordinatesActor(const vtkParallelCoordinatesActor&);  // Not implemented.
  void operator=(const vtkParallelCoordinatesActor&);  // Not implemented.
};


#endif

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