I have a worldspace LOD question.   I have created a custom worldspace with a ship in the middle, a smal island (purely composed of static worldobjects) nearby and open sea around it all as far as it goes.   It all appears fine, as long as I am standing on the deck. But as soon as I climb the mast , the world has  visible sharp edges and at some areas strange artifacts, like an underlying untextured landscape. But there isn't any landscape included in the file. The cells