Hello again,

I really seam to be having some trouble bringing data from QGIS to Feflow. Feflow often does not like the formats.

My current issue is with DAT files.
I have converted a DEM file to a DAT file inside QGIS, and am constently getting the error "xxxx.dat is invalid" in Feflow.  The operation completed in QGIS without errors.  The Dat file is about 900MB in size.

Any thoughts or solutions?

My work around will be to create a contour map shape file and use that for elevations, however I lose the ability to choose interpolations inside FEFlow when I proceed this way.