dot_collision_clearance_ = get_real_detail ( "dot-collision-clearance", 0.25);
dot_collision_penalty_ = get_real_detail ( "dot-collision-penalty", 0.25);
x_gap_ = get_real_detail ("note-head-gap", 0.2);
dot_collision_clearance_ = get_real_detail ( "dot-collision-clearance", 0.25);
dot_collision_penalty_ = get_real_detail ( "dot-collision-penalty", 0.25);
x_gap_ = get_real_detail ("note-head-gap", 0.2);