If vertical scaling is the only reason you're using bitmap conversion - which inherently loses the proper scaling of the terrain anyway - then why not just rescale in Vue? Neither method is apparently giving you the correct scale (although Vue should be drawing correct scaling from a DEM import as that data is included, unlike a bitmap import), so I don't see why either has advantages in that regard, except that apparently bitmap import just has a lower scale by default, which I guess looks more correct to you. But again I don't see why you couldn't just scale it in Vue, and save the loss of accuracy. - Oshyan