ChartDirector 6.0 (C++ Edition)

XYChart.addTrendLayer2


Usage

TrendLayer *addTrendLayer(DoubleArray xData, DoubleArray yData, int color = -1, const char *name = 0, int depth = 0);

Description

Adds a trend chart layer to the XYChart, and specify the x and y values for drawing the trend line.

Arguments

ArgumentDefaultDescription
xData(Mandatory)An array of numbers representing the x values of the data points.
yData(Mandatory)An array of numbers representing the y values of the data points.
color-1The color to draw the line. -1 means that the color is automatically selected from the palette.
name""The name of the data set. The name will be used in the legend box, if one is available. An empty string means the data set has no name.
depth0The 3D depth of the line layer.

Return Value

A TrendLayer object representing the trend layer created.