<parameter name="type_of_marker" value="1" />
<parameter name="marker_scale" value="9" />
<parameter name="elem0d_size" value="5" />
+ <parameter name="ball_elem_diameter" value="1" />
<parameter name="ball_elem_size" value="10" />
<parameter name="ball_elem_scale" value="1" />
<parameter name="element_width" value="1" />