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d.path

NAME

d.path

DESCRIPTION

d.path enables shortest path vector networking - based on DGLib (Directed Graph Library) vector network library (see screenshot). Costs may be either line lengths, or attributes saved in a database table. Supported are cost assignments for both arcs and nodes, and also different in both directions of a vector line. For areas cost will be calculated along boundary lines.

NOTE

The user needs to display a vector map before using d.path. The ’from’ and ’to’ points are entered by mouse into the map displayed in the GRASS monitor. The actions bound to the mouse buttons are described in the terminal window when running the command.

To calculate shortest path non-interactively, the module v.net.path must be used.

SEE ALSO

v.net.path, DGLib

AUTHOR

Radim Blazek, ITC-Irst, Trento, Italy

Last changed: $Date: 2007/02/26 01:58:48 $

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