HashMap<String, Double> chartMetrics= this.getMetrics(wbh);
double x= chartMetrics.get("x")/chartMetrics.get("canvasw");
double y= chartMetrics.get("y")/chartMetrics.get("canvash");
double w= chartMetrics.get("w")/chartMetrics.get("canvasw");
double h= chartMetrics.get("h")/chartMetrics.get("canvash");
this.plotAreaLayout= new Layout("inner", new double[]{x, y, w, h});
}
cooxml.append(this.plotAreaLayout.getOOXML());
for (ChartType ch:chartgroup) {
cooxml.append(ch.getOOXML(catAxisId, valAxisId, serAxisId));