}
makeChild(effectParamProp, "xsize")->setDoubleValue(xsize);
makeChild(effectParamProp, "ysize")->setDoubleValue(ysize);
+ makeChild(effectParamProp, "scale")->setValue(SGVec3d(xsize,ysize,0.0));
makeChild(effectParamProp, "light-coverage")->setDoubleValue(light_coverage);
matState.effect = makeEffect(effectProp, false, xmlOptions.get());