GRASS Vector Layers: Difference between revisions
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(New page: = Grass Vector Layers = create table road_network (cat integer, id integer); v.category --o in=roads out=outmap option=del v.category --o in=outmap out=stepmap option=add v.to.db map=se...) |
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= | == Introduction == | ||
== Prepare Road Network == | |||
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v.category --o in=roads out=outmap option=del | v.category --o in=roads out=outmap option=del | ||
v.category --o in=outmap out=stepmap option=add | v.category --o in=outmap out=stepmap option=add | ||
v.to.db map=setpmap option=cat | v.to.db map=setpmap option=cat | ||
update road_network set id=cat; | update road_network set id=cat; | ||
Revision as of 23:23, 21 May 2008
Introduction
Prepare Road Network
create table road_network (cat integer, id integer);
v.category --o in=roads out=outmap option=del
v.category --o in=outmap out=stepmap option=add
v.to.db map=setpmap option=cat
update road_network set id=cat;