I have updated these scripts to use the new pop up panel format currently in GE 9.0.4. The original scripts will still be available should you prefer to use them as sometimes the operation of these new versions may seem a little slower. Refer to the relevant tutorials on ways of using these new scripts  Terrain Height,Paint Terrain and Spline Placement scripts (Tutorials) Create Field Dimensions and Farmlands Tutorial  Spline Panels.zip available at the end of this topic