add(mesh);
GmlStrokeDrawer boxes = new BoxesDemo();
add(boxes);
GmlStrokeDrawer strokefat = new StrokeFatDemo();
add(strokefat);
GmlStrokeDrawer triangles = new TriangleDemo();
add(triangles);
GmlStrokeDrawer ribbon = new RibbonDemo();
add(ribbon);
defaultId = curve.getId();