hi!i have a very large DEM file(200mb) and i would like to know how can i get number of lines and number of collums of that file, since is too big for looking at it whit ultraedit or notepad ... also i would like to know how u get all these data if u have large files ..tnx

Hello,Check this out:http://www.usna.edu/Users/oceano/pguth/website/microdem.htmIt is freeware.RegardsHorst

..well i do get the number of rows and lines but i still don't know how to get the precise corners of the mesh ... do i realy need to muve my mouse with a lot of precision to the corners or is there a function that print's that .. ty