VTK  9.1.0
vtkScalarsToColorsItem.h
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1/*=========================================================================
2
3 Program: Visualization Toolkit
4 Module: vtkScalarsToColorsItem.h
5
6 Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
7 All rights reserved.
8 See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
9
10 This software is distributed WITHOUT ANY WARRANTY; without even
11 the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
12 PURPOSE. See the above copyright notice for more information.
13
14=========================================================================*/
15
30#ifndef vtkScalarsToColorsItem_h
31#define vtkScalarsToColorsItem_h
32
33#include "vtkChartsCoreModule.h" // For export macro
34#include "vtkNew.h" // For vtkNew
35#include "vtkPlot.h"
36
38class vtkImageData;
39class vtkPlotBar;
40class vtkPoints2D;
41
42class VTKCHARTSCORE_EXPORT vtkScalarsToColorsItem : public vtkPlot
43{
44public:
46 void PrintSelf(ostream& os, vtkIndent indent) override;
47
52 void GetBounds(double bounds[4]) override;
53
55
60 vtkSetVector4Macro(UserBounds, double);
61 vtkGetVector4Macro(UserBounds, double);
63
69 bool Paint(vtkContext2D* painter) override;
70
72
77 vtkGetObjectMacro(PolyLinePen, vtkPen);
79
81
84 void SetHistogramTable(vtkTable* histogramTable);
85 vtkGetObjectMacro(HistogramTable, vtkTable);
87
89
96 vtkSetMacro(MaskAboveCurve, bool);
97 vtkGetMacro(MaskAboveCurve, bool);
99
108 vtkIdType* segmentIndex) override;
110
116 const vtkVector2d& plotPos, vtkIdType seriesIndex, vtkIdType segmentIndex) override;
117
118protected:
121
127 virtual void ComputeBounds(double* bounds);
128
134 virtual void ComputeTexture() = 0;
135
136 vtkGetMacro(TextureWidth, int);
137
143 virtual bool ConfigurePlotBar();
144
146
150 virtual void ScalarsToColorsModified(vtkObject* caller, unsigned long eid, void* calldata);
152 vtkObject* caller, unsigned long eid, void* clientdata, void* calldata);
154
155 double UserBounds[4];
156
157 bool Interpolate = true;
159 vtkImageData* Texture = nullptr;
160 vtkTable* HistogramTable = nullptr;
161
167
168private:
170 void operator=(const vtkScalarsToColorsItem&) = delete;
171};
172
173#endif
supports function callbacks
Class for drawing 2D primitives to a graphical context.
Definition: vtkContext2D.h:73
topologically and geometrically regular array of data
Definition: vtkImageData.h:157
a simple class to control print indentation
Definition: vtkIndent.h:113
Allocate and hold a VTK object.
Definition: vtkNew.h:165
abstract base class for most VTK objects
Definition: vtkObject.h:82
provides a pen that draws the outlines of shapes drawn by vtkContext2D.
Definition: vtkPen.h:136
Class for drawing an XY plot given two columns from a vtkTable.
Definition: vtkPlotBar.h:62
Abstract class for 2D plots.
Definition: vtkPlot.h:157
virtual vtkIdType GetNearestPoint(const vtkVector2f &point, const vtkVector2f &tolerance, vtkVector2f *location, vtkIdType *segmentId)
Function to query a plot for the nearest point to the specified coordinate.
represent and manipulate 2D points
Definition: vtkPoints2D.h:34
Abstract class for ScalarsToColors items.
static void OnScalarsToColorsModified(vtkObject *caller, unsigned long eid, void *clientdata, void *calldata)
Called whenever the ScalarsToColors function(s) is modified.
virtual void ComputeBounds(double *bounds)
Bounds of the item, by default (0, 1, 0, 1) but it depends on the range of the ScalarsToColors functi...
virtual void ComputeTexture()=0
Need to be reimplemented by subclasses, ComputeTexture() is called at paint time if the texture is no...
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
vtkNew< vtkPlotBar > PlotBar
void GetBounds(double bounds[4]) override
Bounds of the item, use the UserBounds if valid otherwise compute the bounds of the item (based on th...
vtkIdType GetNearestPoint(const vtkVector2f &point, const vtkVector2f &, vtkVector2f *location, vtkIdType *segmentIndex) override
Function to query a plot for the nearest point to the specified coordinate.
~vtkScalarsToColorsItem() override
void SetHistogramTable(vtkTable *histogramTable)
Set/Get the vtkTable displayed as an histogram using a vtkPlotBar.
bool Paint(vtkContext2D *painter) override
Paint the texture into a rectangle defined by the bounds.
virtual void ScalarsToColorsModified(vtkObject *caller, unsigned long eid, void *calldata)
Called whenever the ScalarsToColors function(s) is modified.
vtkNew< vtkCallbackCommand > Callback
vtkStdString GetTooltipLabel(const vtkVector2d &plotPos, vtkIdType seriesIndex, vtkIdType segmentIndex) override
Generate and return the tooltip label string for this plot The segmentIndex is implemented here.
virtual bool ConfigurePlotBar()
Method to configure the plotbar histogram before painting it can be reimplemented by subclasses.
vtkNew< vtkPoints2D > Shape
Wrapper around std::string to keep symbols short.
Definition: vtkStdString.h:105
A table, which contains similar-typed columns of data.
Definition: vtkTable.h:172
int vtkIdType
Definition: vtkType.h:332