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Stored procedures
grHMDeleteColor (Function)
In french: grHMSupprimeCouleur
Deletes the colors specified by grHMColor from 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
// Define the colors
grHMDeleteColor(CHART_Chart)
grHMColor(CHART_Chart, -65, RGB(0, 105, 255))
grHMColor(CHART_Chart, 0, RGB(240, 255, 0))
grHMColor(CHART_Chart, 35, RGB(255, 31, 0))
Syntax
grHMDeleteColor(<Chart name> [, <Level>])
<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.
<Level>: Optional real
Level of color that will be deleted. If this parameter is not specified, all the level colors are deleted and the color of the first series is used.
Remarks
The data modified by grHMDeleteColor 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 : wd250grf.dll
Minimum version required
  • Version 21
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