NAME
r.in.arc - Convert an ESRI ARC/INFO ascii raster file (GRID)
into a (binary) raster map layer.
(GRASS Raster Data Import Program)
SYNOPSIS
r.in.arc
r.in.arc help
r.in.arc input=name output=name [title="phrase"]
[mult=multiplier]
DESCRIPTION
r.in.arc allows a user to create a (binary) GRASS raster map layer
from an ESRI ARC/INFO ascii GRID file with (optional) title.
OPTIONS
Parameters:
-
input=name
-
Name of an existing ASCII raster file to be imported.
-
output=name
-
Name to be assigned to resultant binary raster map layer.
-
title="phrase"
-
Title to be assigned to resultant raster map layer.
-
mult=multiplier
-
Multiply all raster cell values by multiplier. multiplier
is a floating point value, and has a default value of 1.0.
The input file has a header section which describes the location
and size of the data, followed by the data itself.
The header has 6 lines:
ncols:
nrows:
xllcorner:
yllcorner:
cellsize:
or alternatively (not supported in r.in.arc):
ncols:
nrows:
xllcenter:
yllcenter:
cellsize:
NOTES
...
r.in.arc handles floating point cell values. The mult
option allows the number of significant figures of a floating point cell
to be increased before importing. Multiples of ten are the most functional
multipliers.
SEE ALSO
r.out.arc
AUTHOR
Unknown German author, updated by Bill Brown to floating point support.