Copy and concatenate a vector attribute between layers

Peter Tittmann <[email protected]> Fri, 1 Dec 2017 17:03:40 -0800

Newsgroups	gmane.comp.gis.grass.user
Message-ID	<[email protected]>

Hi,

I have a vector (`POINT`) which has two layers containing relevant attributes (’strata’ and ’stand’). I would like to concatenate the two values into a new attribute for Layer 1 (’<STRATA>_<STAND>’). I’ve been struggling to sort this out for too long and am tapping out. Its probably blatantly obvious but it has escaped me.

Thank you!

Here are some specifics.


east, north: 651849.842735, 6604949.78485
c34_patch@project_area: 
  Type: Point
  Id: 21622
  Layer: 1
  Category: 21623
  Driver: sqlite
  Database: /Users/pete/grassdata/PortGraham/project_area/sqlite/sqlite.db
  Table: c34_patch
  Key_column: cat
  Attributes: 
    cat: 21623
    strata: 3  — STRATA
c34_patch@project_area: 
  Type: Point
  Id: 21622
  Layer: 2
  Category: 10  — STAND

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