[GRASS-user] v.in.ascii - put1 of 4 columns to 3D point file attribute

[Hamish]

Mark:
> the v.in.ascii was:
> v.in.ascii -z -n input=57697.txt output=lidar57697 format=point fs=,
> skip=0 {columns=code int} x=1 y=2 z=3 cat=0
> 
> which yeilds:
> maximum input row length: 43
> maximum number of columns: 4
> minimum number of columns: 4
> column: 1 type: double
> column: 2 type: double
> column: 3 type: double
> column: 4 type: integer
> 
> <ERROR> number of columns defined (1) does not match number of columns
> (4) in input.


The columns= option is to rename columns, not to say to include them or
not. So for v.in.ascii you need to name all 4, in order:
  columns='x double, y double, z double, code int'


Hamish


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