As I understand it Vue 3 only supports "one degree" dem files, also known as "1:250,000" dem files. If you're trying to use "30 Meter" dem files, I don't think they'll work directly. However, I believe there are one or more utilities that will convert any dem file into a gray-scale tga bitmap, which Vue will import without any problem. -SMT

I'd rather stay in my lane than lay in my stain!