minor tweak: set geographic datum to 0 if coord sys is not geographic
minor tweak: set geographic datum to 0 if coord sys is not geographic

seanisom/vtp,markraz/vtp,markraz/vtp,markraz/vtp,seanisom/vtp,markraz/vtp,seanisom/vtp,markraz/vtp,seanisom/vtp,seanisom/vtp