[GRASS-user] Working with imported kml file

[Anna Petrášová]

On Mon, Feb 13, 2017 at 11:07 AM, Stuart Edwards <sedwards2 at cinci.rr.com> wrote:
>
> Anna
>
> I now have a working vector file that displays correctly and can be queried with normal results.  However after much trial and error I am still unable to access the elevation data in other modules (e.g. v.to.rast). There is always a requirement to specify the attribute - and as you can see, the geotmetric data are not attributes and do not show up in the menu of attributes. Here's the output from a query that may help visualize the problem:
>
> east, north: -79.7630759471, 39.0874586371
> DBT at corH:
>   Type: Line
>   Id: 885
>   Length: 275.746
>   Line_height: 698.602997
>   Layer: 1
>   Category: 885
>   Driver: sqlite
>   Database: /Users/sesMacBook/grassdata/KML/corH/sqlite/sqlite.db
>   Table: DBT
>   Key_column: cat
>   Attributes:
>     cat: 885
>     cat_: 885
>     tessellate: -1
>     extrude: -1
>     visibility: -1
>
> What I need is the Line_height value, which is not an 'attribute' - neither is it 'z'
>
> I tried exporting the file as a shape file and reimporting it - same result.  Then as a GRASS ascii - no file created - and ran out of ideas.  Is there a way to add Line_height as an attribute?
>
> Any help appreciated...

I would try v.to.db with option start, then v.to.3d

Hope that helps
>
> Stu