[GRASS-user] newbie vector question

[Chris Nicholas]

hmmm - diving into dglib stand-alone example sources, looks like it 
wants to read everything into memory and build very interesting structs, 
which is totally understandable...so I can see where it would be a good 
idea to dump link/node info from PostGIS before going wild through the 
data...(as opposed to a billion SQL calls)

Chris


Chris Nicholas wrote:
> just starting with vectors, to try out DGlib routing, and I'm a little 
> unclear on the Postgis concepts here...
>
> I guess the general sequence is to import all the geometry into GRASS 
> binary, and then link back to the attributes?  I'm coming at this with 
> a just a few (million) street segments...
>
> thanks in advance!
> Chris
>
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