This tutorial describes how to create a triangular ground model using Key Terra-Firma and AutoCAD and how to import this ground model into Bryce. The import technique described will work with any mesh or complex of 3D faces created with AutoCAD. If you do not have access to Key Terra-Firma, see the Alternative Method section below. This describes how 3D Studio VIZ can be used to create the terrain model. Although you can create very realistic terrain objects in Bryce, it is often difficult to get them to look just like a real place. However, you can use Key Terra-Firma with AutoCAD to create an accurate terrain model from contour or other height data and then import this into Bryce. There are some limitations. An imported terrain model cannot be edited using the Terrain Editor. However, the imported terrain can be moved, scaled and rotated just like any other object in Bryce. The terrain or mesh can also be smoothed to give a better appearance and you can even apply Bryce terrain materials.

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