[GRASS-user] Calculating Length Between Points On Stream Network

Rich Shepard rshepard at appl-ecosys.com
Mon Mar 8 18:34:39 EST 2010


On Tue, 9 Mar 2010, Wolf Bergenheim wrote:

> Now you are mixing with the format for v.in.ascii. The v.net.path fomat is:
> id start_point_x start_point_y end_point_x end_point_y

Wolf,

   Yes, this did help. Had I just replaced the string with a number the first
time I'd have calculated the proper answer then.

> v.to.db -p map=stream_length option=length type=line
> Add units=k for length in km.

   This I did not realize.

Thank you very much ... issue resolved,

Rich



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