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Agus
Dr. Agustin Lobo
Instituto de Ciencias de la Tierra (CSIC)
Lluis Sole Sabaris s/n
08028 Barcelona SPAIN
tel 34 93 330 2716
fax 34 93 411 0012
alobo@ija.csic.es
Procedures:"
"
gl_in: Definition: imports a binary file copied to the /cell directory
using an existing raster as a model.
Use: gl_in file_in rast_mod raster_out" NOTE:
raster_out MUST BE a different
name than file_in.
rast2vect Definition: executes r.poly followed by v.support
Use: rast2vect rast_in (vector output name will be
rast_in.v)"
vect2dxf Definition: executes v.out.ascii followed by v.out.dxf
Use: vect2dxf vect_in (dxf output name will be rast_in.dxf)"
tnt_in: Definition: imports TNT-MIPS files exported as GRASS
Use: tnt_in file_in"
edges: Definition: Edges for classified images (edges defined
for any two
adjacent cell with different values).
Use: edges rast_in rast_out"
s2txt: Definition: converts a sites file (x|y|label) into a
labels file.
The user is required
to change the DOS CR/LF to UNIX CR/LF characters
in the
labels file. We use UltraEdit.
Use: stxt sites_file rast_mod"
stat_strat Definition: creates n ascii files with statistical info
from
n raster files (i.e., spectral bands of a
multi-spectral image)
stratified by a classified or clumped image.
(based on r.vol). The output files are named
c:/grassland/outputs/ima#.m (for means) and
c:/grassland/outputs/ima#.q (for means of squares),
where "#" stands for the input raster number.
These stat files are then input to
Splus and processed by a dedicated function (also available
if requested) to calculate per category (or
per-clump) means,
num and sd.
Use: ima_clump ima_in"
size Definition: For clumped (r.clump) rasters. Outputs a
raster in which each
pixel value represents the size of its patch
Use: imain "
masc_size Definition: Outputs a mask for those patches smaller than
a given size.
Use: imain ima.size size"
filt_size Definition: Applies a mode filter only to those patches
defined by a masc.
Normally the mask comes from masc_size.
Useful to eliminate
small patches without touching the rest
of the image.
Use: imain masc_size size_filt"