[GRASS5] v.report with lines

Radim Blazek blazek at itc.it
Thu Mar 27 09:43:37 EST 2003

Which version? It was fixed Wed Oct 9 16:02:46 2002 
i.e after 5.0.0 release.
Try v.to.db -p for now.


On Thursday 27 March 2003 03:21 pm, you wrote:
> Hallo!
> I'd like to use grass to determine the length of lines of the layer
> itter (a rivernetwork) automatically. First I thougth v.report is
> the right choice but now I'm wondering whether this is really true:
> In the manual page it is explained that v.report calculates the area
> of the vector layers. I don't no what the area of a line should be
> but at least I know that the results of v.report with type line
> (v.report map=itter type=line units=me)
> don't calculate the length of the lines.
> I checked this by comparing them to  results coming from another
> source
> and by measuring one line bei d.measure. This result (ca. 1120
> meter) was much lower
> than the result coming from v.report (ca. 2200 meter)  and almost
> the same as the result coming from the other source (ca. 1130 meter)
> Now my question:
> Is this a bug in v.report or is v.report the wrong module for my
> purpose. If so, is there another module to fulfill my task?
> Thanks for help,
>         Silke

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