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  • Overview
  • Characteristics of scatter chart
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Overview
A scatter chart (XY) represents the relationship between two numeric values in two series of data. The odd series are used to identify the X coordinates of points while the even series are used to identify the Y coordinates of same points. The scatter charts highlight regular intervals and they are also used to group the data.
The "Scatter" charts are often used to represent scientific data.
Versions 18 and later
Universal Windows 10 App This type of chart is now available for the applications in Windows Store apps mode.
New in version 18
Universal Windows 10 App This type of chart is now available for the applications in Windows Store apps mode.
Universal Windows 10 App This type of chart is now available for the applications in Windows Store apps mode.
Characteristics of scatter chart
Scatter chart
In this chart:
1. Title of vertical axis.
This parameter is displayed if the axis title was defined in the "General" tab of the description of Chart control. This parameter can also be defined by programming with grAxisTitle. A title can also be defined for the horizontal axis.
2. X value of point.
This value is one of the data of first series.
3. Y value of point.
This value is one of the data of second series.
4. Chart title. The characteristics of chart title are typed:
  • WINDEV in the "Details" 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.
5. Legend. The legend characteristics are typed:
  • WINDEV in the "Details" 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.
6. Labels of series.
The legend caption corresponds to the caption of first chart series (defined in the "Series" tab).
7. Color of series.
A color can be defined for each series in the "Series" tab of control description. The color taken into account will be the one defined for the first series. An automatic color is used by default.
8. Mark.
The mark is automatically calculated by default. The "General" tab of the control description is used to:
  • define a specific graduation.
  • define a scale on the X axis according to the time. This option operates with Date or DateTime data coming from a Table control or from a HFSQL item. This option cannot be used with a series filled by programming.
  • define a logarithmic scale on the Y axis.
  • define the orientation of the marks.
9. Marks and title of horizontal axis.
10. Scrollbars used to perform a zoom.
The ability to perform a zoom in a chart can be defined in the "Details" tab of control description. This option is available in WINDEV only.
Note: the user can also enable the zoom with the popup menu of chart.
Other features
  • The points found in a scatter chart can be linked or unlinked (grScatterLinkPoint).
    Versions 23 and later
    This function can also be used to link or unlink the points of a single series.
    New in version 23
    This function can also be used to link or unlink the points of a single series.
    This function can also be used to link or unlink the points of a single series.
  • Versions 24 and later
    WINDEV "Scatter" charts can be displayed in real time. See Real-time chart for more details.
    New in version 24
    WINDEV "Scatter" charts can be displayed in real time. See Real-time chart for more details.
    WINDEV "Scatter" charts can be displayed in real time. See Real-time chart for more details.
Minimum version required
  • Version 9
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