/*========================================================================= Program: Visualization Toolkit Module: vtkPlotParallelCoordinates.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. =========================================================================*/ /** * @class vtkPlotParallelCoordinates * @brief Class for drawing a parallel coordinate * plot given columns from a vtkTable. * * * */ #ifndef vtkPlotParallelCoordinates_h #define vtkPlotParallelCoordinates_h #include "vtkChartsCoreModule.h" // For export macro #include "vtkPlot.h" #include "vtkScalarsToColors.h" // For VTK_COLOR_MODE_DEFAULT and _MAP_SCALARS #include "vtkStdString.h" // For vtkStdString ivars class vtkChartParallelCoordinates; class vtkTable; class vtkStdString; class vtkScalarsToColors; class vtkUnsignedCharArray; class VTKCHARTSCORE_EXPORT vtkPlotParallelCoordinates : public vtkPlot { public: vtkTypeMacro(vtkPlotParallelCoordinates, vtkPlot); void PrintSelf(ostream& os, vtkIndent indent) override; /** * Creates a parallel coordinates chart */ static vtkPlotParallelCoordinates* New(); /** * Perform any updates to the item that may be necessary before rendering. * The scene should take care of calling this on all items before their * Paint function is invoked. */ void Update() override; /** * Paint event for the XY plot, called whenever the chart needs to be drawn */ bool Paint(vtkContext2D* painter) override; /** * Paint legend event for the XY plot, called whenever the legend needs the * plot items symbol/mark/line drawn. A rect is supplied with the lower left * corner of the rect (elements 0 and 1) and with width x height (elements 2 * and 3). The plot can choose how to fill the space supplied. */ bool PaintLegend(vtkContext2D* painter, const vtkRectf& rect, int legendIndex) override; /** * Get the bounds for this mapper as (Xmin,Xmax,Ymin,Ymax,Zmin,Zmax). */ void GetBounds(double bounds[4]) override; /** * Set the selection criteria on the given axis in normalized space (0.0 - 1.0). */ bool SetSelectionRange(int Axis, float low, float high); /** * Reset the selection criteria for the chart. */ bool ResetSelectionRange(); //@{ /** * This is a convenience function to set the input table. */ void SetInputData(vtkTable* table) override; void SetInputData(vtkTable* table, const vtkStdString&, const vtkStdString&) override { this->SetInputData(table); } //@} //@{ /** * Specify a lookup table for the mapper to use. */ void SetLookupTable(vtkScalarsToColors* lut); vtkScalarsToColors* GetLookupTable(); //@} /** * Create default lookup table. Generally used to create one when none * is available with the scalar data. */ virtual void CreateDefaultLookupTable(); //@{ /** * Turn on/off flag to control whether scalar data is used to color objects. */ vtkSetMacro(ScalarVisibility, vtkTypeBool); vtkGetMacro(ScalarVisibility, vtkTypeBool); vtkBooleanMacro(ScalarVisibility, vtkTypeBool); //@} //@{ /** * When ScalarMode is set to UsePointFieldData or UseCellFieldData, * you can specify which array to use for coloring using these methods. * The lookup table will decide how to convert vectors to colors. */ void SelectColorArray(vtkIdType arrayNum); void SelectColorArray(const vtkStdString& arrayName); //@} /** * Get the array name to color by. */ vtkStdString GetColorArrayName(); protected: vtkPlotParallelCoordinates(); ~vtkPlotParallelCoordinates() override; /** * Update the table cache. */ bool UpdateTableCache(vtkTable* table); //@{ /** * Store a well packed set of XY coordinates for this data series. */ class Private; Private* Storage; //@} /** * The point cache is marked dirty until it has been initialized. */ vtkTimeStamp BuildTime; //@{ /** * Lookup Table for coloring points by scalar value */ vtkScalarsToColors* LookupTable; vtkUnsignedCharArray* Colors; vtkTypeBool ScalarVisibility; vtkStdString ColorArrayName; //@} private: vtkPlotParallelCoordinates(const vtkPlotParallelCoordinates&) = delete; void operator=(const vtkPlotParallelCoordinates&) = delete; }; #endif // vtkPlotParallelCoordinates_h