v.digit

GRASS GRASS user
1

I'm having problems with v.digit when starting a new map. Everything is fine
until I get to:

   |Shall we continue? [y] | |
   |Writing Plus File ...

When I press enter I get this:

         major axis, radius = 0, or not spec'ed
        | cannot initializa pj

and v.digit is aborted. I have no problems using the digitizer on already
existing maps.

I have used v.digit to start new maps in the past. Whats the deal?

Beau Bush
bbush@ticsys.tamu.edu
Texas A&M University

That wonderful "cannot initializa pj" message I have found with
reference to the project. We had an old UTM location that worked
fine for years, but then started getting such problems recently.
If you create a location now, the PROJ_INFO file is not the same
as previous versions.

For instance our old PROJ_INFO file was:

name: Universal Transverse Mercator
ellps: clark66
proj: utm
zone: 10

and the new is:

name: UTM
proj: utm
ellps: clark66
a: 6378206.4000000004
es: 0.0067686580
zone: 10

Either the "a" or the "es" is the major access, I forget which.

Here is what has worked for me.
1) enter grass with a brand new location. GRASS will prompt
for the information it needs to create the PROJ_INFO file for
this new location. Make this location the same projection
as your regular location.

2) copy the new PROJ_INFO file back into your regular location.
It is stored in $LOCATION/PERMANENT, not your own mapset.

hope that helps,

Sue Huse
REGIS
University of California, Berkeley