/**
* Attach a DataSet to the graph. By attaching the data set the class can draw the data through
* its paint method.
*/
public void attachDataSet(DataSet d) {
if (d != null) {
dataset.addElement(d);
d.g2d = this;
}
}
/**
* Load and Attach a DataSet from an array. The method loads the data into a DataSet class and
* attaches the class to the graph for plotting.
*
* <p>The data is assumed to be stored in the form x,y,x,y,x,y.... A local copy of the data is
* made.
*
* @param data The data to be loaded in the form x,y,x,y,...
* @param n The number of (x,y) data points. This means that the minimum length of the data array
* is 2*n.
* @return The DataSet constructed containing the data read.
*/
public DataSet loadDataSet(double data[], int n) {
DataSet d;
try {
d = new DataSet(data, n);
dataset.addElement(d);
d.g2d = this;
} catch (Exception e) {
System.out.println("Failed to load Data set ");
e.printStackTrace();
return null;
}
return d;
}