SVGGroup

WLJS

Execution environment

SVGGroup[g_]

represents an isolated group of 2D graphics primitives (see Graphics). The common use case is to reset all attributes like RGBColor, Opacity and the rest defined in Directive.

Another handy property is that external attributes are applied solely to the group container, i.e. it does not propagate deeper. For example

o = 0.5;

{Opacity[o // Offload], SVGGroup[{
	Disk[{0,0}, 2], Opacity[0.5], Red, RegularPolygon[3]
}]} // Graphics

o = 0.1;

Here Opacity is applied to a container, but does not affect opacity of inner objects.

Z-ordering

If you dynamically add primitives to Graphics, by adding them to SVGGroup can help you to control z-order with respect to other groups.