TransDEM Forum

Thank you geophil.

I will follow what you have advised and much appreciate the info.

Chris

The process that I tried is this:
I downloaded a file from the USGS map site. "http://ngmdb.usgs.gov/maps/TopoView"
I search for a topomap of an area that I want. "It is a geo.tif.zip file"
I unzip the file. There are 4 files extracted. There is a geo.tfw, geo.tif, geo.tif.prj, and a geo.tif.xml ...

Hi folks.

Rather new to this and am having an issue to which I have not been able to find a solution. I don't know if this is a TransDEM, GDAL or Microsoft situation.
Any help will be greatly appreciated.

I down load a map from USGS as a geo.tif.
I try to open it in TransDEM 'OPEN DEM'.

I get ...