}
@Override
protected void redraw() {
addCSSClasses(svgp);
DBIDSelection selContext = context.getSelection();
if(selContext != null) {
DBIDs selection = selContext.getSelectedIds();
GrahamScanConvexHull2D hull = new GrahamScanConvexHull2D();
for(DBID i : selection) {
try {
hull.add(new Vector(proj.fastProjectDataToRenderSpace(rel.get(i))));
}