[GRASS-user] SQL Query - greater length river inside a basin

[Rich Shepard]

On Thu, 28 Apr 2011, Marcello Benigno wrote:

> I need a query that returns the greater length of river within a basin.
> Does anyone have any suggestions on how I can solve this problem?

Marcello,

   I did this a while ago by using mapcalc() to add the lengths of river
segments and show the total. Don't recall the algorithm off hand but I'm
sure you can quickly work it out.

Rich