OptionaltintBase fill color (linear RGB) + alpha. Default translucent blue.
OptionalgridGrid / border color (linear RGB). Default yellow.
OptionalgridGrid spacing in meters. Default 120.
OptionalhatchDiagonal-hatch spacing in meters. Default 24.
OptionalborderBorder width in meters. Default 8.
Returns the polygon to classify this frame, or null to draw nothing.