I get this error no matter if the check box is checked.
I have TransDem latest version on win 64-bit with 32 gigs of ram
I have a dem that covers a large part of the east coast, its 14gig.
My route also covers most of that.
When I try to save the route, it gives me this error.
The numbers in the boxes that are automatically put in there by your program based on my DEM file are:
Zone: 18R
Easting: 4294962583 x 1000m
Northing: 6002 x 1000m
TransDem 2.6.2.0 with 14gig Dem file created with 1/9 arc sec data and the entire usa TL_2016_us_rails.shp file route.