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#include <stdio.h>
#include <grass/raster.h>
#include "global.h"
#define F2I(map_type) \
(map_type == CELL_TYPE ? 0 : (map_type == FCELL_TYPE ? 1 : 2))
static void process_row_ii(int), process_row_if(int), process_row_id(int);
static void process_row_fi(int), process_row_ff(int), process_row_fd(int);
static void process_row_di(int), process_row_df(int), process_row_dd(int);
static void (*process_row_FtypeOtype[3][3])(int) = {
{process_row_ii, process_row_if, process_row_id},
{process_row_fi, process_row_ff, process_row_fd},
{process_row_di, process_row_df, process_row_dd}};
#define PROCESS_ROW (process_row_FtypeOtype[F2I(in_type)][F2I(out_type)])
static void *in_rast, *out_rast;
static int nrows, ncols;
int do_recode(void)
{
struct Cell_head window, cellhd;
int row, i;
struct History hist;
/* set the window from the header for the input file */
if (align_wind) {
G_get_window(&window);
Rast_get_cellhd(name, "", &cellhd);
Rast_align_window(&window, &cellhd);
Rast_set_window(&window);
}
G_get_set_window(&window);
nrows = Rast_window_rows();
ncols = Rast_window_cols();
/* open the input file for reading */
in_fd = Rast_open_old(name, "");
out_fd = Rast_open_new(result, out_type);
out_rast = Rast_allocate_buf(out_type);
in_rast = Rast_allocate_buf(in_type);
for (row = 0; row < nrows; row++) {
G_percent(row, nrows, 2);
PROCESS_ROW(row);
}
G_percent(row, nrows, 2);
Rast_close(in_fd);
Rast_close(out_fd);
/* writing history file */
Rast_short_history(result, "raster", &hist);
Rast_append_format_history(&hist, "recode of raster map %s", name);
/* if there are more rules than history lines allocated, write only
MAXEDLINES-1 rules , and "...." as a last rule */
for (i = 0; i < nrules && i < 50; i++)
Rast_append_history(&hist, rules[i]);
if (nrules > 50)
Rast_append_history(&hist, "...");
Rast_format_history(&hist, HIST_DATSRC_1, "raster map %s", name);
Rast_command_history(&hist);
Rast_write_history(result, &hist);
return 0;
}
static void process_row_ii(int row)
{
if (no_mask)
Rast_get_c_row_nomask(in_fd, (CELL *)in_rast, row);
else
Rast_get_c_row(in_fd, (CELL *)in_rast, row);
Rast_fpreclass_perform_ii(&rcl_struct, (CELL *)in_rast, (CELL *)out_rast,
ncols);
Rast_put_row(out_fd, (CELL *)out_rast, CELL_TYPE);
}
static void process_row_if(int row)
{
if (no_mask)
Rast_get_c_row_nomask(in_fd, (CELL *)in_rast, row);
else
Rast_get_c_row(in_fd, (CELL *)in_rast, row);
Rast_fpreclass_perform_if(&rcl_struct, (CELL *)in_rast, (FCELL *)out_rast,
ncols);
Rast_put_f_row(out_fd, (FCELL *)out_rast);
}
static void process_row_id(int row)
{
if (no_mask)
Rast_get_c_row_nomask(in_fd, (CELL *)in_rast, row);
else
Rast_get_c_row(in_fd, (CELL *)in_rast, row);
Rast_fpreclass_perform_id(&rcl_struct, (CELL *)in_rast, (DCELL *)out_rast,
ncols);
Rast_put_row(out_fd, (DCELL *)out_rast, DCELL_TYPE);
}
static void process_row_fi(int row)
{
if (no_mask)
Rast_get_f_row_nomask(in_fd, (FCELL *)in_rast, row);
else
Rast_get_f_row(in_fd, (FCELL *)in_rast, row);
Rast_fpreclass_perform_fi(&rcl_struct, (FCELL *)in_rast, (CELL *)out_rast,
ncols);
Rast_put_row(out_fd, (CELL *)out_rast, CELL_TYPE);
}
static void process_row_ff(int row)
{
if (no_mask)
Rast_get_f_row_nomask(in_fd, (FCELL *)in_rast, row);
else
Rast_get_f_row(in_fd, (FCELL *)in_rast, row);
Rast_fpreclass_perform_ff(&rcl_struct, (FCELL *)in_rast, (FCELL *)out_rast,
ncols);
Rast_put_f_row(out_fd, (FCELL *)out_rast);
}
static void process_row_fd(int row)
{
if (no_mask)
Rast_get_f_row_nomask(in_fd, (FCELL *)in_rast, row);
else
Rast_get_f_row(in_fd, (FCELL *)in_rast, row);
Rast_fpreclass_perform_fd(&rcl_struct, (FCELL *)in_rast, (DCELL *)out_rast,
ncols);
Rast_put_row(out_fd, (DCELL *)out_rast, DCELL_TYPE);
}
static void process_row_di(int row)
{
if (no_mask)
Rast_get_d_row_nomask(in_fd, (DCELL *)in_rast, row);
else
Rast_get_d_row(in_fd, (DCELL *)in_rast, row);
Rast_fpreclass_perform_di(&rcl_struct, (DCELL *)in_rast, (CELL *)out_rast,
ncols);
Rast_put_row(out_fd, (CELL *)out_rast, CELL_TYPE);
}
static void process_row_df(int row)
{
if (no_mask)
Rast_get_d_row_nomask(in_fd, (DCELL *)in_rast, row);
else
Rast_get_d_row(in_fd, (DCELL *)in_rast, row);
Rast_fpreclass_perform_df(&rcl_struct, (DCELL *)in_rast, (FCELL *)out_rast,
ncols);
Rast_put_f_row(out_fd, (FCELL *)out_rast);
}
static void process_row_dd(int row)
{
if (no_mask)
Rast_get_d_row_nomask(in_fd, (DCELL *)in_rast, row);
else
Rast_get_d_row(in_fd, (DCELL *)in_rast, row);
Rast_fpreclass_perform_dd(&rcl_struct, (DCELL *)in_rast, (DCELL *)out_rast,
ncols);
Rast_put_row(out_fd, (DCELL *)out_rast, DCELL_TYPE);
}
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