On 08/05/16 23:15, James Maas (MED) wrote:
Most of the process appears to work well until I attempt to create
segments of the vector map of the longest flow path this segment rules file.
====================
P 1 1 -10%
P 2 1 -20%
P 3 1 -30%
P 4 1 -40%
P 5 1 -50%
P 6 1 -60%
P 7 1 -70%
P 8 1 -80%
P 9 1 -90%
========================
[...]
The other way is to use r.to.vect, which appears to work well, now the
new vector lfp map (jamrlfp) is the same shape and length as the
original raster lfp map. However the next job is to do the segmentation
using the above rules file like this,
v.segment input=jamrlfp output=outlets rules=$segment_rules \
--overwrite --verbose
And for some reason it only creates the very first outlet (segment).
Sorry for the long missive, but I end up with two questions:
[...]
2. Any suggestions as to why v.segment is not working correctly and
creating the 9 segments correctly?
Just guessing here, but the v.segment man page says "A segment is only
created for the first line found of the specified category." Are you
sure that line 1 is one single line or is it many lines all with the
same category. Maybe you need to run v.polyline before v.segment ?
Moritz
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