GRASS GIS manual: r.soils.texture

NAME

r.soils.texture - Define soil texture from sand and clay grid.

KEYWORDS

SYNOPSIS

r.soils.texture
r.soils.texture help
r.soils.texture sand=name clay=name scheme=name output=name [--overwrite] [--verbose] [--quiet]

Flags:

--overwrite: Allow output files to overwrite existing files
--verbose: Verbose module output
--quiet: Quiet module output

Parameters:

sand=name: Name of input sand map [0-100]
clay=name: Name of input clay map [0-100]
scheme=name: Text file with texture scheme
output=name: Name for output raster map

DESCRIPTION

r.soils.texture define soils texture from sand and clay distribution grid and a texture scheme definition.
Sand and clay grid are simple grid theme; scheme file is text ASCII file with *.dat extention like USDA.dat, FAO.dat and nternational.dat supplied with source code module in scheme directory.

AUTHOR

Gianluca Massei (g_massa@libero.it)

REFERENCE

Bourke P., 1987 Determining if a point lies on the interior of a polygon. Downloaded printed

Cavallini P, Neteler M., 2005 I GIS Open Source: una alternativa possible? MondoGIS n° 47

Cavallini P, Neteler M., 2006 L'analisi geografica Open Source: GRASS GIS parte 2 raster MondoGIS n° 52

Neteler M. and H. Mitasova 2004 Open Source GIS: A GRASS GIS Approach - Kluwer Academic Publisher/Springer, Boston, -Second edition ISBN: 1-4020-8064-6

Sanesi G., 2000 - Elementi di pedologia - Edagricole, Bologna

Texture AutoLookup (TAL) ver 4.2, 2002

Van Rossum G. - 2005 - Manuale di riferimento di python - Ed. Italiana, Fred L. Drake, Jr., editor

WATTON J. D., 1997 - Comparing C, Fortran, Lisp, java, python, perl, scheme (guile), and tcl using a floating point numerical test - point inside polygon. Applied mathematics and computer technology center alcoa technical center. Distribution documents.

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