k3d/share/shaders/k3d_graphic_lines.sl:174:	color layer_opac_paint;
k3d/share/shaders/k3d_graphic_lines.sl:225:	layer_opac_paint=color(val1);
k3d/share/shaders/k3d_graphic_lines.sl:226:	surface_color_paint=((surface_color_paint)*(1-(layer_opac_paint))+(layer_color_paint)*(layer_opac_paint));
