[GRASSLIST:9392] Re: v.segement options

[Radim Blazek]

On 12/9/05, Tim Semmelhaack <t.semmelhaack at hamburg-consult.de> wrote:
> Here is an example, which I read from the standard input by
> "cat segment_lines| v.segment input=mypath_length output=test_segment_lines"
>
> file "segment_lines":
> L 1 1 1000.0 2820.0
> L 2 1 3000.0 3480.0 200
> L 3 1 3600.0 4000.0
>
> I'm using the current version of GRASS 6.1 from the CVS

I looked into the code and side offset is not implemented at all.
So it is bug.

> By the way: Is there a possibility to calibrate the input lines?
> I used v.net.path to create the line on a road network for example by
> using coordinates from bus stops. The measured lengths differs (a little
> bit) from the distance given by other sources (e.g. the transport
> operator).
> So can I give GRASS the exact distance and v.segment will find the
> points by using this distance?

You need probably an LRS which is implemented but it is not yet in standard
GRASS distribution: http://mpa.itc.it/radim/lrs/

Radim


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> Tim
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