Guitta: It's changed a lot over the last several weeks. You should try it again when 1.1 comes out, probably later this week. Here's the official dope from from our engineer who does our export coding, whose name is--I kid you not--Bryce: From: "Bryce Loughnan" To: "Ken Musgrave" Subject: Re: Terrain Export Formats Date: Sat, 15 Dec 2001 20:03:20 +1300 Hi Mo Parameter Bomb (exporting of local terrain patches) terrain export meshs: obj DXF VRML LWO (has limits to what size it will export, keep to less than 256x256) LWO v6.0 (has limits to what size it will export, keep to less than 2^24x 2^24) 2^24 = 16777216 3DS (has limits to what size it will export, keep to less than 181x181) terrain export heightmaps: PNG ( 8bit, 16bit ) DEM BT PGM (8bit, 16bit ) World Export terrain export meshs: Export 1 mesh made up of 6 objects, the map resolution refers to the resolution of one object. obj DXF LWO (has limits to what size it will export, keep to less than 104x104) LWO v6.0 (has limits to what size it will export, keep to less than 2^24x 2^24) 2^24 = 16777216 3DS (has limits to what size it will export, keep to less than 181x181) terrain export heightmaps: Exports 6 heightmaps PNG ( 8bit, 16bit ) DEM BT PGM (8bit, 16bit ) Both world and terrain export can also export texture maps at any resolution of supported types. PNG BMP TIFF JPG thanx bryce