When create draw_g element, use svg_layer method to select correct layer
When create draw_g element, use svg_layer method to select correct layer

Simple d3.select does not work for pads layer, while it searches for
sub-pads layers first
linev/jsroot,root-project/jsroot,bellenot/jsroot,linev/jsroot,bellenot/jsroot,root-project/jsroot,bellenot/jsroot