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/****************************************************************************
*
* MODULE: r.param.scale
* AUTHOR(S): Jo Wood, V 1.1, 11th December, 1994 (original contributor)
* PURPOSE: GRASS module for extracting multi-scale surface parameters.
* COPYRIGHT: (C) 1999-2004 by the GRASS Development Team
*
* This program is free software under the GNU General Public
* License (>=v2). Read the file COPYING that comes with GRASS
* for details.
*
*****************************************************************************/
#include <grass/glocale.h>
#include "param.h"
const char *rast_in_name; /* Name of the raster file to process. */
const char *rast_out_name; /* Name of the raster output file. */
int constrained; /* Flag that forces quadtratic through */
/* the central cell of the window. */
int
fd_in, /* File descriptor for input and */
fd_out, /* output raster files. */
wsize, /* Size of local processing window. */
mparam; /* Morphometric parameter to calculate. */
double
resoln, /* Planimetric resolution. */
exponent, /* Distance weighting exponent. */
zscale, /* Vertical scaling factor. */
slope_tol, /* Vertical tolerences for surface */
curve_tol; /* feature identification. */
int main(int argc, char **argv)
{
interface(argc, argv);
/* Make sure that the current projection is not lat/long */
if ((G_projection() == PROJECTION_LL))
G_fatal_error(_("Lat/Long locations are not supported by this module"));
open_files();
process();
close_down();
if (mparam == FEATURE) {
write_cols();
write_cats();
}
return 0;
}
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