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- Adding data into a Scatter chart
- Adding data into a chart
- Equivalence
grScatterAddDataXY (Function) Adds a data into a "Scatter" chart. Reminder By default, a graph has no data.
grScatterAddDataXY("MyChart", 1, 10, 20)
grScatterAddDataXY(CHART_MyChart, 1, 20, 10)
Sintaxis
grScatterAddDataXY(<Chart name> , <Series number> [, <Index>] , <X value> , <Y value>)
<Chart name>: Control name or character string Name of the chart to be used. This name corresponds to:- the name of the chart defined programmatically with grCreate.
- the name of the Chart control in the window, page or report editor.
<Series number>: Integer Number of the series in which a point must be initialized. If the specified series does not exist, the chart designer creates as many series as necessary in order to get a consistent matrix. All the created series are initialized to 0. <Index>: Optional integer Index of the data to initialize in the series. If this parameter is not specified, the value is added at the end of the series. <X value>: Real Horizontal coordinate (X-coordinate) of the point to add. <Y value>: Real Vertical coordinate (Y-coordinate) of the point to add. Observaciones Adding data into a Scatter chart The data defined by grScatterAddDataXY will be taken into account during the next call to grDraw. Adding data into a chart grAddData is used to add data into a chart (pie, column, ...) Depending on the type of chart, specific functions can also be used to add data: Reminder: To add a value to a data item on a graph, use the grIncreaseData function. Equivalence We recommend that you use grScatterAddDataXY to add data into the "Scatter" charts. However, you can also use grAddData. The following syntax:
grScatterAddDataXY(CHART_MyChart, i, 1, 10, 20)
est is equivalent to the syntax:
grAddData(CHART_MyChart, i*2-1, 1, 10)
grAddData(CHART_MyChart, i*2, 1, 20)
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