Linux Certif

Toute la documentation sur la certification Linux LPI

v.what

NAME

v.what - Queries a vector map layer at given locations.

KEYWORDS

vector, querying

SYNOPSIS

v.what
v.what help
v.what [-da] map=name[,name,...] [east_north=east,north[,east,north,...]] [distance=float] [--verbose] [--quiet]

Flags:

-d

Print topological information (debugging)

-a

Print attribute information

--verbose

Verbose module output

--quiet

Quiet module output

Parameters:

map=name[,name,...]

Name of input vector map

east_north=east,north[,east,north,...]

Coordinates for query
If not given reads from standard input

distance=float

Query threshold distance
Default: 0

DESCRIPTION

v.what Outputs the category number value(s) associated with user-specified location(s) in user-specified vector map layer(s). This module was derived from the d.what.vect module by removing all interactive code and modification of the output for easy parsing.

EXAMPLE

Spearfish example:
v.what fields east_north=599121.75,4922981.125

SEE ALSO

d.what.vect

AUTHOR

Trevor Wiens
Edmonton, Alberta, Canada

Last changed: $Date: 2007-04-25 23:07:10 +0200 (Wed, 25 Apr 2007) $

Full index

© 2003-2008 GRASS Development Team