pgr2rg

Converts graph to region map.

Synopsis

pgr2rg [-m mask] [gr_in|-] [rg_in|-] [rg_out|-]

Description

pgr2rg builds the output region map rg_out from the selection of regions of the input region map rg_in that match the nodes of the input graph gr_in. Only regions that are indexed by a node are kept in the output region map.

The label of the output region map are the same as the input region map. There is no relabeling.

Inputs

gr_in: a graph.
rg_in: a region map.

Outputs

rg_out: a region map.

Result

Returns SUCCESS or FAILURE.

Examples

Builds the new region map rout.pan with the regions of rin.pan that are indexed by the node of the input graph g.pan:

   prg2gr g.pan rin.pan rout.pan

C++ prototype

Errc PGr2Rg( const Graph2d &gr_in, const Reg2d &rg_in, Reg2d &rg_out );

Version française

Construction d'une carte de régions par application d'un graphe sur une carte de régions.

Author: Régis Clouard