[GRASS-user] vector to rast including dbf

[antonio rodriguez]

Hamish escribió:
> antonio rodriguez wrote:
>   
>> I have several vector (lines,points, poly) maps connected to their 
>> respective .dbf files (airports, roads, administrative categories).
>> How  do I can transform them to raster maps having the same
>> categories. It's to say, when I do d.what.rast I would like to see
>> the label of certain road.
>>     
>
> v.to.rast use=cat
>
> then create a $MAPSET/cats/$MAPNAME file with the labels in it.
>
> I am not sure of an automatic way to do that (maybe someone else has an
> idea), but it is a simple text file and you can get 98% of the way there
> with v.db.select and the 'tr'ade unix tool.
>
> GRASS> v.db.select map=roads | tr '|' ':'
> cat:label
> 0:no data
> 1:interstate
> 2:primary highway, hard surface
> 3:secondary highway, hard surface
> 4:light-duty road, improved surface
> 5:unimproved road
>
>
>
> See Spearfish dataset's spearfish/PERMANENT/cats/roads file for an idea
> of what the raster cats file needs to look like:
> # 5 categories
> Spearfish Database Roads at 1:24000
>
> 0.00 0.00 0.00 0.00
> 0:no data
> 1:interstate
> 2:primary highway, hard surface
> 3:secondary highway, hard surface
> 4:light-duty road, improved surface
> 5:unimproved road
>
>
>
> Hamish
>
>   
Hamish,

Thanks for the tip!

Cheers

Antonio