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v.random

Langue: en

Autres versions - même langue

Version: 370904 (fedora - 01/12/10)

Section: 1 (Commandes utilisateur)

NAME

v.random - Randomly generate a 2D/3D GRASS vector points map.

KEYWORDS

vector, statistics

SYNOPSIS

v.random
v.random help
v.random [-zd] output=name n=integer [zmin=float] [zmax=float] [--overwrite] [--verbose] [--quiet]

Flags:

-z

Create 3D output
-d

Use drand48() function (default=rand() )
--overwrite

Allow output files to overwrite existing files
--verbose

Verbose module output
--quiet

Quiet module output

Parameters:

output=name

Name for output vector map
n=integer

Number of points to be created
zmin=float

Minimum z height (needs -z flag)
Default: 0.0
zmax=float

Maximum z height (needs -z flag)
Default: 0.0

DESCRIPTION

v.random randomly generates vector points within the current region using the selected random number generator.

SEE ALSO

UNIX man pages for rand(3) and drand48(3).

g.region, r.random, v.perturb, v.sample

BUGS

The RNG used by v.perturb should probably be added to this program.
Currently no attribute table is generated. Please send any bug fixes and comments to the grass development team.
http://grass.itc.it

AUTHOR

James Darrell McCauley ,
when he was at: Agricultural Engineering Purdue University

Last changed: $Date: 2007-03-20 07:26:33 +0100 (Tue, 20 Mar 2007) $

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