On 15/04/14 08:13, jctorres wrote:
Hello
You can create a map of these points contining the elevation as
attribute. Once you output this map you could sort points using the
elevation values.
you can do this for instance using v.to.rast to convert the points to
raster, them combine this map with elevation using r.mapcalc (assigning
elevation to the points), and them output the map using r.out.xyz.
To sort the points you can use any sort program or a spreadsheet.
Maybe directly using v.what.rast might be easier...
And, Thomas, have you checked the category values of the points ? If the
points were created in stream order than the cat values should give the
correct order.
Moritz
Best regards
Juan Carlos Torres
El 15/04/14 04:52, Thomas Adams escribió:
All:
I have a collection of points that represent the centerline of a
river. I need to output them in upstream to downstream order (or the
reverse). A simple v.out.ascii does not do this because of the channel
meanders. It's critical to get the x,y locations of these points in
the correct order.
Any help is appreciated!
Regards,
Tom
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