29#ifndef vtkHeatmapItem_h
30#define vtkHeatmapItem_h
32#include "vtkViewsInfovisModule.h"
108 vtkSetVector2Macro(Position,
float);
116 vtkGetVector2Macro(Position,
float);
125 vtkGetMacro(CellHeight,
double);
134 vtkGetMacro(CellWidth,
double);
159 vtkGetMacro(RowLabelWidth,
float);
160 vtkGetMacro(ColumnLabelWidth,
float);
288 unsigned long HeatmapBuildTime;
300 std::map< vtkIdType, std::pair< double, double > > ColumnRanges;
301 std::vector< vtkIdType > SceneRowToTableRowMap;
302 std::vector< vtkIdType > SceneColumnToTableColumnMap;
303 std::set<std::string> BlankRows;
309 double SceneBottomLeft[3];
310 double SceneTopRight[3];
312 float ColumnLabelWidth;
316 bool LegendPositionSet;
dynamic, self-adjusting array of bits
Legend item to display categorical data.
Legend item to display vtkScalarsToColors.
Class for drawing 2D primitives to a graphical context.
base class for items that are part of a vtkContextScene.
data structure to represent mouse events.
A 2D graphics item for rendering a heatmap.
int GetOrientation()
Get the current heatmap orientation.
double GetTextAngleForOrientation(int orientation)
Get the angle that row labels should be rotated for the correponding heatmap orientation.
virtual void RebuildBuffers()
Generate some data needed for painting.
bool LineIsVisible(double x0, double y0, double x1, double y1)
Returns true if any part of the line segment defined by endpoints (x0, y0), (x1, y1) falls within the...
void PositionLegends(int orientation)
virtual bool MouseDoubleClickEvent(const vtkContextMouseEvent &event)
Display a legend for a column of data.
vtkSmartPointer< vtkTable > Table
virtual void PrintSelf(ostream &os, vtkIndent indent)
Methods invoked by print to print information about the object including superclasses.
virtual bool Hit(const vtkContextMouseEvent &mouse)
Returns true if the transform is interactive, false otherwise.
virtual void SetTable(vtkTable *table)
Set the table that this item draws.
void PositionColorLegend(int orientation)
std::string GetTooltipText(float x, float y)
Get the value for the cell of the heatmap located at scene position (x, y) This function assumes the ...
vtkStringArray * GetRowNames()
Get the table that this item draws.
void SetOrientation(int orientation)
Set which way the table should face within the visualization.
vtkVector2f GetPositionVector()
vtkStringArray * RowNames
vtkTable * GetTable()
Get the table that this item draws.
void SetPosition(const vtkVector2f &pos)
void AccumulateProminentCategoricalDataValues(vtkIdType column)
Helper function.
void UpdateVisibleSceneExtent(vtkContext2D *painter)
Calculate the extent of the data that is visible within the window.
vtkVector2f PositionVector
virtual void PaintBuffers(vtkContext2D *painter)
This function does the bulk of the actual work in rendering our heatmap.
void ComputeBounds()
Compute the extent of the heatmap.
static vtkHeatmapItem * New()
virtual void GetBounds(double bounds[4])
Get the bounds for this item as (Xmin,Xmax,Ymin,Ymax).
void InitializeLookupTables()
Generate a separate vtkLookupTable for each column in the table.
virtual bool MouseMoveEvent(const vtkContextMouseEvent &event)
Display a tooltip when the user mouses over a cell in the heatmap.
void GenerateContinuousDataLookupTable()
Setup the default lookup table to use for continuous (not categorical) data.
void MarkRowAsBlank(std::string rowName)
Mark a row as blank, meaning that no cells will be drawn for it.
void GenerateCategoricalDataLookupTable()
Setup the default lookup table to use for categorical (not continuous) data.
void ComputeLabelWidth(vtkContext2D *painter)
Compute the width of our longest row label and the width of our longest column label.
virtual bool IsDirty()
This function returns a bool indicating whether or not we need to rebuild our cached data before pain...
virtual bool Paint(vtkContext2D *painter)
Paints the table as a heatmap.
a simple class to control print indentation
map scalar values into colors via a lookup table
Wrapper around std::string to keep symbols short.
a vtkAbstractArray subclass for strings
A table, which contains similar-typed columns of data.
An array holding vtkVariants.
vtkSetMacro(IgnoreDriverBugs, bool)
Updates the extensions string.