vtkPlotPoints.h

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/*=========================================================================
 
  Program:   Visualization Toolkit
  Module:    vtkPlotPoints.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 vtkPlotPoints_h
#define vtkPlotPoints_h
 
#include "vtkChartsCoreModule.h" // For export macro
#include "vtkNew.h"              // For ivars
#include "vtkPlot.h"
#include "vtkRenderingCoreEnums.h" // For marker enum
#include "vtkScalarsToColors.h"    // For VTK_COLOR_MODE_DEFAULT and _MAP_SCALARS
#include "vtkStdString.h"          // For color array name
 
class vtkCharArray;
class vtkContext2D;
class vtkTable;
class vtkPoints2D;
class vtkFloatArray;
class vtkStdString;
class vtkImageData;
class vtkScalarsToColors;
class vtkUnsignedCharArray;
 
class VTKCHARTSCORE_EXPORT vtkPlotPoints : public vtkPlot
{
public:
  vtkTypeMacro(vtkPlotPoints, vtkPlot);
  void PrintSelf(ostream& os, vtkIndent indent) override;
 
  static vtkPlotPoints* New();
 
  void Update() override;
 
  bool Paint(vtkContext2D* painter) override;
 
  bool PaintLegend(vtkContext2D* painter, const vtkRectf& rect, int legendIndex) override;
 
  void GetBounds(double bounds[4]) override;
 
  void GetUnscaledInputBounds(double bounds[4]) override;
 
 
  void SetLookupTable(vtkScalarsToColors* lut);
  vtkScalarsToColors* GetLookupTable();
 
  virtual void CreateDefaultLookupTable();
 
 
  vtkSetMacro(ScalarVisibility, vtkTypeBool);
  vtkGetMacro(ScalarVisibility, vtkTypeBool);
  vtkBooleanMacro(ScalarVisibility, vtkTypeBool);
 
 
  void SelectColorArray(vtkIdType arrayNum);
  void SelectColorArray(const vtkStdString& arrayName);
 
  vtkStdString GetColorArrayName();
 
  vtkIdType GetNearestPoint(const vtkVector2f& point, const vtkVector2f& tolerance,
    vtkVector2f* location, vtkIdType* segmentId) override;
  using vtkPlot::GetNearestPoint;
 
  bool SelectPoints(const vtkVector2f& min, const vtkVector2f& max) override;
 
  bool SelectPointsInPolygon(const vtkContextPolygon& polygon) override;
 
  enum
  {
    NONE = VTK_MARKER_NONE,
    CROSS = VTK_MARKER_CROSS,
    PLUS = VTK_MARKER_PLUS,
    SQUARE = VTK_MARKER_SQUARE,
    CIRCLE = VTK_MARKER_CIRCLE,
    DIAMOND = VTK_MARKER_DIAMOND
  };
 
 
  vtkGetMacro(MarkerStyle, int);
  vtkSetMacro(MarkerStyle, int);
 
 
  vtkGetMacro(MarkerSize, float);
  vtkSetMacro(MarkerSize, float);
 
 
  vtkGetMacro(ValidPointMaskName, vtkStdString);
  vtkSetMacro(ValidPointMaskName, vtkStdString);
 
protected:
  vtkPlotPoints();
  ~vtkPlotPoints() override;
 
  bool GetDataArrays(vtkTable* table, vtkDataArray* array[2]);
 
  bool UpdateTableCache(vtkTable* table);
 
  void CalculateUnscaledInputBounds();
 
  void CalculateLogSeries();
 
  void FindBadPoints();
 
  void CalculateBounds(double bounds[4]);
 
  void CreateSortedPoints();
 
 
  vtkPoints2D* Points;
  vtkNew<vtkFloatArray> SelectedPoints;
 
 
  class VectorPIMPL;
  VectorPIMPL* Sorted;
 
  vtkIdTypeArray* BadPoints;
 
  vtkCharArray* ValidPointMask;
 
  vtkStdString ValidPointMaskName;
 
  vtkTimeStamp BuildTime;
 
 
  int MarkerStyle;
  float MarkerSize;
 
  bool LogX, LogY;
 
 
  vtkScalarsToColors* LookupTable;
  vtkUnsignedCharArray* Colors;
  vtkTypeBool ScalarVisibility;
  vtkStdString ColorArrayName;
 
  double UnscaledInputBounds[4];
 
private:
  vtkPlotPoints(const vtkPlotPoints&) = delete;
  void operator=(const vtkPlotPoints&) = delete;
};
 
#endif // vtkPlotPoints_h