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  • Overview
  • Characteristics of a Pie, Donut or Semi-circular chart
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Overview
Several types of charts belong to the same family:
  • Pie chart: this type of chart represents a circle divided into sections.
  • Donut chart: this type of chart represents a circle divided into sections with a hole in the middle.
  • Semi-circular chart: this type of chart represents a semi-circle divided into sections.
The size of each section is proportional to the data found in the series.
A pie chart, a donut chart or a semi-circular chart displays a single series of data.
It is used to highlight a particularly important element.
Versions 23 and later
PHP This type of chart is now available for the PHP sites.
New in version 23
PHP This type of chart is now available for the PHP sites.
PHP This type of chart is now available for the PHP sites.
Characteristics of a Pie, Donut or Semi-circular chart
Pie chart
In this chart:
1. Start angle.
Angle used for the beginning of the first section. This parameter can be defined in the "General" tab of the Chart control description window ("Start angle (in degrees): "). You also have the ability to offset the sections of the chart ("Pulling out" in the "General" tab).
WEBDEV - Server code For a Donut chart, you also have the ability to specify the size of the hole.
2. Chart title. The characteristics of chart title are typed:
  • WEBDEV - Server code in the "Options" tab of control description ("Edit the chart title" button).
The chart title characteristics are entered in the "Details" tab of the control description ("Edit the chart title" button).You have the ability to define the chart title as well as its position and style.
3. Legend. The legend characteristics are typed:
  • WEBDEV - Server code in the "Options" tab of control description ("Edit the chart legend" button).
The legend characteristics are entered in the "Details" tab of the control description ("Edit the chart legend" button).You have the ability to define its position and its style.
4. Category label.
The category labels are displayed in the legend. The category labels can be defined in the "Series" tab of control description. The source of the category labels can correspond to a table column, a WLanguage array, a list, ...
5. Color of section.
The color of the sections is defined automatically. To modify the color of sections, use grSeriesColor and specify the section number.
6. Raised.
The characteristics of the raised effect can be specified in the "General" tab of the description window of the Chart control.
7. Caption of section.
The caption of the sections can contain:
  • the value corresponding to the section: "Display the values" option
    • WEBDEV - Server code in the "Options" tab of the description window of the Chart control.
  • the value corresponding to the section: "Display the values" option in the "Details" tab of the Chart control description window.
  • the labels of categories ("Display the labels of categories" option in the "General" tab of the Chart control description window)
  • the percentages (option "Display the percentages" option in the "General" tab of the Chart control description window).
Versions 21 and later
You can choose whether the labels will be displayed inside or outside the chart sections ("Display the labels outside the sections" in the "Details" tab of the Chart control description window)
New in version 21
You can choose whether the labels will be displayed inside or outside the chart sections ("Display the labels outside the sections" in the "Details" tab of the Chart control description window)
You can choose whether the labels will be displayed inside or outside the chart sections ("Display the labels outside the sections" in the "Details" tab of the Chart control description window)
8. Gradient colors. The characteristics regarding the appearance of the chart are defined:
  • WEBDEV - Server code in the Options" tab of the description window of the Chart control.
The characteristics regarding the appearance of the chart are defined in the "Details" tab of the description window of the chart.The following options are available:
  • Reduce the jagged effects.
  • Automatic border colors.
  • Gradient colors (with possible horizontal gradient).
  • Realistic light effect (with ability to specify the percentage of bevel)
Minimum version required
  • Version 9
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