[GRASS-user] v.in.lines creating an empty vector?

[Hamish]

Michelle wrote:
> I have a .csv file with a bunch (thousands) of pairwise
> points which I would like import and connect through
> separate lines. I have formatted it as is shown in the
> manual but it seems to create only an empty vector. I have
> tried the example that is in the manual as well but that
> doesn't seem to work either. Here is what I tried:
> 
> v.in.lines in=/Users/Me/Desktop/testline.csv out=test fs=,
> 
> an example of what my file looks like:
> 
> 570650,5054903
> 571048,5054592
> NaN,NaN
> 570650,5054903
> 570699,5055007
> NaN,NaN
> 570650,5054903
> 570373,5055017
> NaN,NaN
> 570650,5054903
> 570563,5055085
> NaN,NaN
> 570650,5054903
> 558489,5047136
> NaN,NaN
> 571048,5054592
> 570699,5055007
> 
> Is there some other way I can achieve this since v.in.lines
> does not seem to be working for me (or something obvious
> that I'm doing wrong)?

it's due to an awk bug in v.in.mapgen, which v.in.lines uses.
   $1~/\d*\.\d*/ { printf(" %.8f %.8f %.8f\n", $1, $2, $3) ; ++R }

I'll work on a fix, but for now simply add decimal points to the
numbers to work around it:

570699.,5055007.


thanks for pointing this out.


Hamish