grCategoryColor (Function)

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grCategoryColor (Function)

In french: grCouleurCatégorie

Initializes the category color for a chart whose type is:

Pie,
Column,
Bubble chart,
Waterfall.

By default, the colors of categories (or the colors of sections, bubbles, ...) are selected according to a preset order among a set of 11 colors.

Example

// Modifies the color of category 3 in the "CHART_Chart1" control
grCategoryColor(CHART_Chart1, 3, LightRed)

Syntax

grCategoryColor(<Chart name> , <Category number> , <Color>)

<Chart name>: Character string (with or without quotes)

Name of chart to use. This name can correspond to:
the chart name defined by programming with grCreate.
the name of Chart control found in the window editor, page editor or report editor.

<Category number>: Integer

Number of the category to modify.
For a Pie chart (grPie constant), this parameter corresponds to the subscript of data in the series (the section number). In this case, this function is equivalent to grSeriesColor.
For a Column chart (grColumn constant), this parameter corresponds to the category subscript: all the bars of the category will be colored. The colors specified for the category series will be ignored.
For a Bubble chart (grBubbleChart constant), this parameter corresponds to the category subscript: the bubble corresponding to the category will be colored.

<Color>: Integer or Integer constant

Color of specified category. This color can correspond to:
an RGB color (returned by RGB),
an HSL color (returned by HSL),
a preset color.

Remarks

The colors defined by grCategoryColor will be taken into account during the next call to grDraw.
To display the color gradients, use grGradient.
The colors specified by grCategoryColor are taken into account in the Waterfall charts. You also have the ability to define the colors of categories in the Waterfall charts with grWaterfallColor.

Related Examples:

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.

Business / GUI classification : Neutral code

Component : wd250grf.dll