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2008 Jan 28
0
LOOPS - GIS
Dear R-user community,
I need to solve a problem related to river management. The task is to
calculate the distance from specified points in a river to the outlet of the
river. The river is defined by a database (here called "M"):
LinkID |NodeID1 | NodeID2 |Distout |Length
----------------------------------------------------------------------------
10 |100 |200 |10 | 80
80 |200 |180 |30 | 40
15 |180 |400 |50 | 10
50 |400 |170...