*
* @param svgp SVG-Plot
*/
private void addCSSClasses(SVGPlot svgp, StylingPolicy sp) {
final StyleLibrary style = context.getStyleLibrary();
final LineStyleLibrary lines = style.lines();
final double width = .5 * style.getLineWidth(StyleLibrary.PLOT);
if(sp instanceof ClassStylingPolicy) {
ClassStylingPolicy csp = (ClassStylingPolicy) sp;
for(int i = csp.getMinStyle(); i < csp.getMaxStyle(); i++) {
String key = DATALINE + "_" + i;