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Stored procedures
Adds a data into a Heatmap chart.
Versions 22 and later
Linux This function is now available for WEBDEV sites in Linux.
Windows This function is now available for the WEBDEV sites in Windows.
New in version 22
Linux This function is now available for WEBDEV sites in Linux.
Windows This function is now available for the WEBDEV sites in Windows.
Linux This function is now available for WEBDEV sites in Linux.
Windows This function is now available for the WEBDEV sites in Windows.
Example
grHMAddData(CHART_Chart1, 1, 1, 10)
grHMAddData(CHART_Chart1, 1, 2, 30)
grHMAddData(CHART_Chart1, 2, 1, 20.5)
grHMAddData(CHART_Chart1, 2, 2, 5)
// Define the colors
grHMColor(CHART_HMap, -50, DarkBlue)
grHMColor(CHART_HMap, +50, LightRed)
FOR i = 1 TO 500
grHMAddData(CHART_HMap, Random(-100, 100), Random(-100, 100), -100)
grHMAddData(CHART_HMap, Random(-100, 100), Random(-100, 100), 100)
END
grDraw(CHART_HMap)
Syntax
grHMAddData(<Chart name> , <X> , <Y> , <Value>)
<Chart name>: Character string (with or without quotes)
Name of chart to use. This name corresponds to:
  • the chart name defined by programming with grCreate.
  • the name of Chart control found in the window editor or report editor.
<X>: Integer
Position of the data on the X axis.
<Y>: Integer
Position of the data on the Y axis.
<Value>: Integer or real
Value to add. If a value is already found at the specified (X, Y) position, the existing value is replaced by the new value.
Remarks
The data defined by grHMAddData will be taken into account during the next call to grDraw.
Related Examples:
WD Chart Training (WINDEV): WD Chart
[ + ] This educational example present different uses of the chart control.
The following charts are presented:
- Semi-circular
- Donut
- Pie
- Sunburst
- Line
- Scatter
- 3D Scatter
- Column
- Area
- Bubble
- Radar
- Funnel
- Surface
- Waterfall
- Composite

The main features presented in this example are the ability to customize the charts by programming as well as the method used to fill a chart from a HFSQL file or in the editor.
Component : wd240grf.dll
Minimum version required
  • Version 21
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