[GRASS-user] Merge vector table with .dbf file [NHDPlus]
Stephen Sefick
sas0025 at auburn.edu
Wed Feb 1 10:47:43 EST 2012
Thanks for the help. What I ended up doing is reading the .dbf files
into R with the foreign packages read.dbf; merged the data together on
the COMID; wrote out the data with write.dbf; connected it to the
vector with v.db.connect; and all is well. Again many thanks for your
help.
Stephen
On Wed 01 Feb 2012 08:47:37 AM CST, Moritz Lennert wrote:
> On 01/02/12 13:42, Stephen Sefick wrote:
>> All:
>>
>> I have the national hydrography dataset plus [NHDPlus]. The data came
>> with a rather limited table of information by design. I would like to
>> add a table with stream line attributes to the vector table. There is a
>> common ID called COMID. I just want to merge the two tables together on
>> COMID. How do I do this? I have thought of just merging the two tables
>> together pre-import? Many thanks for any help.
>
>
> Try db.in.ogr + v.db.join in a mapset with an SQL backend, e.g. SQLite
> instead of dbf.
>
> Moritz
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--
Stephen Sefick
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Auburn University
Biological Sciences
331 Funchess Hall
Auburn, Alabama
36849
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sas0025 at auburn.edu
http://www.auburn.edu/~sas0025
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