[GRASS-user] Add DB entries to vector line (after v.split)

GRASS GRASS user
1

Hi there,

I try to find a way to give every line segment in my vector file a db entry.
I've create 3 lines and split them into 50m segments. Now I want to do
several calculations with it. Therefore I need for each segment a row in the
db.

*How can I create a entry for each segment?*

v.info split_lines
Number of lines: 598

v.db.select split_lines
cat
1
2
3

I would appreciate if someone can explain me what I do wrong, I tried
already everything I could found without success (eg. v.dissolve,
v.category, v.centroids, and others)

regards Valentin

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2

Okay I found a solution, but its no very elegant. I exported the vector into
a shape and imported it then again:

v.out.ogr -ce input=split_lines type=line dsn=./split_lines.shp
format=ESRI_Shapefile
v.in.ogr -o dsn=./split_lines.shp out=split_lines1

But there should be another way...

Thx

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