int get_stats(const char *name, struct Cell_stats *statf)
{
int fd;
CELL *cell;
int row, nrows, ncols;
fd = Rast_open_old(name, "");
nrows = Rast_window_rows();
ncols = Rast_window_cols();
cell = Rast_allocate_c_buf();
Rast_init_cell_stats(statf);
G_message(_("Reading %s ..."), name);
for (row = 0; row < nrows; row++) {
G_percent(row, nrows, 2);
Rast_get_c_row(fd, cell, row);
Rast_update_cell_stats(cell, ncols, statf);
}
if (row < nrows)
exit(1);
Rast_close(fd);
G_free(cell);
G_percent(row, nrows, 2);
return 0;
}
int get_range(const char *name, long *min, long *max)
{
struct Range range;
int nrows, ncols, row, col;
CELL *cell;
int fd;
CELL cmin, cmax;
struct Cell_head cellhd;
if (Rast_read_range(name, "", &range) < 0) {
Rast_init_range(&range); /* read the file to get the range */
Rast_get_cellhd(name, "", &cellhd);
Rast_set_window(&cellhd);
cell = Rast_allocate_c_buf();
fd = Rast_open_old(name, "");
nrows = Rast_window_rows();
ncols = Rast_window_cols();
G_message(_("Reading %s ..."), name);
for (row = 0; row < nrows; row++) {
G_percent(row, nrows, 2);
Rast_get_c_row_nomask(fd, cell, row);
for (col = 0; col < ncols; col++)
Rast_update_range(cell[col], &range);
}
G_percent(row, nrows, 2);
Rast_close(fd);
G_free(cell);
}
Rast_get_range_min_max(&range, &cmin, &cmax);
*min = cmin;
*max = cmax;
return 0;
}
int close_file(char *name)
{
int cell_file, row, k;
int row_count, col_count;
CELL *buf;
cell_file = Rast_open_c_new(name);
row_count = n_rows - (PAD << 1);
col_count = n_cols - (PAD << 1);
G_message(_("Output file %d rows X %d columns"), row_count, col_count);
G_message(_("Window %d rows X %d columns"), Rast_window_rows(),
Rast_window_cols());
for (row = 0, k = PAD; row < row_count; row++, k++) {
buf = get_a_row(k);
Rast_put_row(cell_file, buf + PAD, CELL_TYPE);
}
Rast_close(cell_file);
Rowio_flush(&row_io);
close(Rowio_fileno(&row_io));
Rowio_release(&row_io);
unlink(work_file_name);
return 0;
}
int randsurf(char *out, /* Name of raster maps to be opened. */
int min, int max, /* Minimum and maximum cell values. */
int int_map)
{ /* if map is to be written as a CELL map */
int nrows, ncols; /* Number of cell rows and columns */
DCELL *row_out_D; /* Buffer just large enough to hold one */
CELL *row_out_C; /* row of the raster map layer. */
int fd_out; /* File descriptor - used to identify */
/* open raster maps. */
int row_count, col_count;
/****** INITIALISE RANDOM NUMBER GENERATOR ******/
G_math_rand(-1 * getpid());
/****** OPEN CELL FILES AND GET CELL DETAILS ******/
fd_out = Rast_open_new(out, int_map ? CELL_TYPE : DCELL_TYPE);
nrows = Rast_window_rows();
ncols = Rast_window_cols();
if (int_map)
row_out_C = Rast_allocate_c_buf();
else
row_out_D = Rast_allocate_d_buf();
/****** PASS THROUGH EACH CELL ASSIGNING RANDOM VALUE ******/
for (row_count = 0; row_count < nrows; row_count++) {
G_percent(row_count, nrows, 2);
for (col_count = 0; col_count < ncols; col_count++) {
if (int_map)
*(row_out_C + col_count) =
(CELL) (G_math_rand(2742) * (max + 1 - min) + min);
/* under represents first and last bin */
/* *(row_out_C + col_count) = (CELL) floor(rand1(2742)*(max-min)+min +0.5); */
else
*(row_out_D + col_count) =
(DCELL) (G_math_rand(2742) * (max - min) + min);
}
/* Write contents row by row */
if (int_map)
Rast_put_c_row(fd_out, (CELL *) row_out_C);
else
Rast_put_d_row(fd_out, (DCELL *) row_out_D);
}
G_percent(1, 1, 1);
Rast_close(fd_out);
return 0;
}
/* Converts the buffer to cell and write it to disk */
static void write_fp_to_cell(int ofd, FCELL *buf)
{
CELL *cbuf;
int col;
cbuf = (CELL *) Rast_allocate_buf(CELL_TYPE);
for (col = 0; col < Rast_window_cols(); col++)
cbuf[col] = round_c(buf[col]);
Rast_put_row(ofd, cbuf, CELL_TYPE);
}
int dseg_open(DSEG * dseg, int srows, int scols, int nsegs_in_memory)
{
char *filename;
int errflag;
int fd;
dseg->filename = NULL;
dseg->fd = -1;
dseg->name = NULL;
dseg->mapset = NULL;
filename = G_tempfile();
if (-1 == (fd = creat(filename, 0666))) {
G_warning("dseg_open(): unable to create segment file");
return -2;
}
if (0 >
(errflag =
Segment_format(fd, Rast_window_rows(), Rast_window_cols(), srows, scols,
sizeof(double)))) {
close(fd);
unlink(filename);
if (errflag == -1) {
G_warning("dseg_open(): could not write segment file");
return -1;
}
else {
G_warning("dseg_open(): illegal configuration parameter(s)");
return -3;
}
}
close(fd);
if (-1 == (fd = open(filename, 2))) {
unlink(filename);
G_warning("dseg_open(): unable to re-open segment file");
return -4;
}
if (0 > (errflag = Segment_init(&(dseg->seg), fd, nsegs_in_memory))) {
close(fd);
unlink(filename);
if (errflag == -1) {
G_warning("dseg_open(): could not read segment file");
return -5;
}
else {
G_warning("dseg_open(): out of memory");
return -6;
}
}
dseg->filename = filename;
dseg->fd = fd;
return 0;
}
static int get_cell(DCELL *result, int fd, double x, double y)
{
static DCELL *row1, *row2;
static int cur_row = -1;
static int row, col;
DCELL *tmp;
if (!row1) {
row1 = Rast_allocate_d_buf();
row2 = Rast_allocate_d_buf();
}
col = (int)floor(x - 0.5);
row = (int)floor(y - 0.5);
x -= col + 0.5;
y -= row + 0.5;
if (row < 0 || row + 1 >= Rast_window_rows() ||
col < 0 || col + 1 >= Rast_window_cols()) {
Rast_set_d_null_value(result, 1);
return 0;
}
if (cur_row != row) {
if (cur_row == row + 1) {
tmp = row1; row1 = row2; row2 = tmp;
Rast_get_d_row(fd, row1, row);
}
else if (cur_row == row - 1) {
tmp = row1; row1 = row2; row2 = tmp;
Rast_get_d_row(fd, row2, row + 1);
}
else {
Rast_get_d_row(fd, row1, row);
Rast_get_d_row(fd, row2, row + 1);
}
cur_row = row;
}
if (Rast_is_d_null_value(&row1[col]) || Rast_is_d_null_value(&row1[col+1]) ||
Rast_is_d_null_value(&row2[col]) || Rast_is_d_null_value(&row2[col+1])) {
Rast_set_d_null_value(result, 1);
return 0;
}
*result = Rast_interp_bilinear(x, y,
row1[col], row1[col+1],
row2[col], row2[col+1]);
return 1;
}
int process(void)
{
/*-------------------------------------------------------------------*/
/* INITIALISE */
/*-------------------------------------------------------------------*/
int nrows, /* Will store the current number of */
ncols, /* rows and columns in the raster. */
nn; /* Size of raster to nearest power of 2. */
double *data[2]; /* Array holding complex data. */
/*------------------------------------------------------------------*/
/* GET DETAILS OF INPUT RASTER */
/*------------------------------------------------------------------*/
nrows = Rast_window_rows(); /* Find out the number of rows and */
ncols = Rast_window_cols(); /* columns of the raster view. */
nn = G_math_max_pow2(MAX(nrows, ncols)); /* Find smallest power of 2 that */
/* largest side of raster will fit. */
/*------------------------------------------------------------------*/
/* CREATE SQUARE ARRAY OF SIDE 2^n */
/*------------------------------------------------------------------*/
if (nn * nn * sizeof(double) < 1)
G_fatal_error(_("Unable to allocate data buffer. "
"Check current region with g.region."));
data[0] = (double *)G_malloc(nn * nn * sizeof(double));
data[1] = (double *)G_malloc(nn * nn * sizeof(double));
/*------------------------------------------------------------------*/
/* Apply spectral synthesis algorithm. */
/*------------------------------------------------------------------*/
specsyn(data, nn);
G_free(data[0]);
G_free(data[1]);
return 0;
}
static int calc_mu(int *fds, double *mu, int bands)
{
int i;
int rows = Rast_window_rows();
int cols = Rast_window_cols();
void *rowbuf = NULL;
for (i = 0; i < bands; i++) {
RASTER_MAP_TYPE maptype;
int row, col;
double sum = 0.;
maptype = Rast_get_map_type(fds[i]);
/* don't assume each image is of the same type */
if (rowbuf)
G_free(rowbuf);
if ((rowbuf = Rast_allocate_buf(maptype)) == NULL)
G_fatal_error(_("Unable allocate memory for row buffer"));
G_message(_("Computing means for band %d..."), i + 1);
for (row = 0; row < rows; row++) {
void *ptr = rowbuf;
G_percent(row, rows - 1, 2);
Rast_get_row(fds[i], rowbuf, row, maptype);
for (col = 0; col < cols; col++) {
/* skip null cells */
if (Rast_is_null_value(ptr, maptype)) {
ptr = G_incr_void_ptr(ptr, Rast_cell_size(maptype));
continue;
}
sum += Rast_get_d_value(ptr, maptype);
ptr = G_incr_void_ptr(ptr, Rast_cell_size(maptype));
}
}
mu[i] = sum / (double)(rows * cols);
}
if (rowbuf)
G_free(rowbuf);
return 0;
}
void *read_raster(void *buf, const int fd, const RASTER_MAP_TYPE rtype)
{
void *tmpbuf = buf;
int rows = Rast_window_rows();
int i;
G_message(_("Reading raster map..."));
for (i = 0; i < rows; i++) {
G_percent(i + 1, rows, 10);
Rast_get_row(fd, tmpbuf, i, rtype);
tmpbuf =
G_incr_void_ptr(tmpbuf, Rast_cell_size(rtype) * Rast_window_cols());
}
return tmpbuf;
}
static void get_region_range(int fd)
{
DCELL *buf = Rast_allocate_d_buf();
int nrows = Rast_window_rows();
int ncols = Rast_window_cols();
int row, col;
min = 1e300;
max = -1e300;
for (row = 0; row < nrows; row++) {
Rast_get_d_row(fd, buf, row);
for (col = 0; col < ncols; col++) {
if (min > buf[col])
min = buf[col];
if (max < buf[col])
max = buf[col];
}
}
}
/*!
* \brief Extract a cell value from raster map (neighbor interpolation)
*
* Extract a cell value from raster map at given northing and easting
* with a sampled 3x3 window using a neighbor interpolation.
*
* \param fd file descriptor
* \param window region settings
* \param cats categories
* \param north northing position
* \param east easting position
* \param usedesc flag to scan category label
*
* \return cell value at given position
*/
DCELL Rast_get_sample_nearest(int fd,
const struct Cell_head * window,
struct Categories * cats,
double north, double east, int usedesc)
{
int row, col;
DCELL result;
DCELL *maprow = Rast_allocate_d_buf();
/* convert northing and easting to row and col, resp */
row = (int)floor(Rast_northing_to_row(north, window));
col = (int)floor(Rast_easting_to_col(east, window));
if (row < 0 || row >= Rast_window_rows() ||
col < 0 || col >= Rast_window_cols()) {
Rast_set_d_null_value(&result, 1);
goto done;
}
Rast_get_d_row(fd, maprow, row);
if (Rast_is_d_null_value(&maprow[col])) {
Rast_set_d_null_value(&result, 1);
goto done;
}
if (usedesc) {
char *buf = Rast_get_c_cat((CELL *) & (maprow[col]), cats);
G_squeeze(buf);
result = scancatlabel(buf);
}
else
result = maprow[col];
done:
G_free(maprow);
return result;
}
int read_data(struct files *files, struct SigSet *S)
{
int n;
int b;
int nrows, ncols, row, col;
CELL *class;
struct ClassData *Data;
nrows = Rast_window_rows();
ncols = Rast_window_cols();
class = (CELL *) G_calloc(ncols, sizeof(CELL));
G_message(_("Reading raster maps..."));
for (row = 0; row < nrows; row++) {
G_percent(row, nrows, 2);
read_training_map(class, row, ncols, files);
for (b = 0; b < files->nbands; b++)
Rast_get_d_row(files->band_fd[b], files->band_cell[b], row);
for (col = 0; col < ncols; col++) {
n = class[col];
if (n < 0)
continue;
Data = &S->ClassSig[n].ClassData;
for (b = 0; b < files->nbands; b++) {
if (Rast_is_d_null_value(&files->band_cell[b][col]))
Rast_set_d_null_value(&Data->x[Data->count][b], 1);
else
Data->x[Data->count][b] = files->band_cell[b][col];
}
Data->count++;
}
}
G_percent(nrows, nrows, 2);
G_free(class);
return 0;
}
int openfiles(struct parms *parms, struct files *files)
{
struct Ref Ref; /* subgroup reference list */
int n;
if (!I_get_subgroup_ref(parms->group, parms->subgroup, &Ref))
G_fatal_error(_("Unable to read REF file for subgroup <%s> in group <%s>"),
parms->subgroup, parms->group);
if (Ref.nfiles <= 0)
G_fatal_error(_("Subgroup <%s> in group <%s> contains no raster maps"),
parms->subgroup, parms->group);
/* allocate file descriptors, and io buffer */
files->cellbuf = Rast_allocate_d_buf();
files->outbuf = Rast_allocate_c_buf();
files->isdata = G_malloc(Rast_window_cols());
files->nbands = Ref.nfiles;
files->band_fd = (int *)G_calloc(Ref.nfiles, sizeof(int));
/* open all group maps for reading */
for (n = 0; n < Ref.nfiles; n++)
files->band_fd[n] =
open_cell_old(Ref.file[n].name, Ref.file[n].mapset);
/* open output map */
files->output_fd = open_cell_new(parms->output_map);
if (parms->goodness_map)
files->goodness_fd = Rast_open_new(parms->goodness_map, FCELL_TYPE);
else
files->goodness_fd = -1;
return 0;
}
/*---------------------------------------------------------------------------------------*/
void P_Aux_to_Raster(double **matrix, int fd)
{
int ncols, col, nrows, row;
void *ptr, *raster;
nrows = Rast_window_rows();
ncols = Rast_window_cols();
raster = Rast_allocate_buf(DCELL_TYPE);
for (row = 0; row < nrows; row++) {
G_percent(row, nrows, 2);
Rast_set_d_null_value(raster, ncols);
for (col = 0, ptr = raster; col < ncols;
col++, ptr = G_incr_void_ptr(ptr, Rast_cell_size(DCELL_TYPE))) {
Rast_set_d_value(ptr, (DCELL) (matrix[row][col]), DCELL_TYPE);
}
Rast_put_d_row(fd, raster);
}
G_percent(row, nrows, 2);
}
int get_cats(const char *name, const char *mapset)
{
int fd;
int row, nrows, ncols;
CELL *cell;
struct Cell_head cellhd;
/* set the window to the cell header */
Rast_get_cellhd(name, mapset, &cellhd);
Rast_set_window(&cellhd);
/* open the raster map */
fd = Rast_open_old(name, mapset);
nrows = Rast_window_rows();
ncols = Rast_window_cols();
cell = Rast_allocate_c_buf();
Rast_init_cell_stats(&statf);
/* read the raster map */
G_verbose_message(_("Reading <%s> in <%s>"), name, mapset);
for (row = 0; row < nrows; row++) {
if (G_verbose() > G_verbose_std())
G_percent(row, nrows, 2);
Rast_get_c_row_nomask(fd, cell, row);
Rast_update_cell_stats(cell, ncols, &statf);
}
/* done */
if (G_verbose() > G_verbose_std())
G_percent(row, nrows, 2);
Rast_close(fd);
G_free(cell);
Rast_rewind_cell_stats(&statf);
return 0;
}
/*
* do_histogram() - Creates histogram for CELL
*
* RETURN: EXIT_SUCCESS / EXIT_FAILURE
*/
int do_histogram(const char *name)
{
CELL *cell;
struct Cell_head cellhd;
struct Cell_stats statf;
int nrows, ncols;
int row;
int fd;
Rast_get_cellhd(name, "", &cellhd);
Rast_set_window(&cellhd);
fd = Rast_open_old(name, "");
nrows = Rast_window_rows();
ncols = Rast_window_cols();
cell = Rast_allocate_c_buf();
Rast_init_cell_stats(&statf);
for (row = 0; row < nrows; row++) {
Rast_get_c_row_nomask(fd, cell, row);
Rast_update_cell_stats(cell, ncols, &statf);
}
if (row == nrows)
Rast_write_histogram_cs(name, &statf);
Rast_free_cell_stats(&statf);
Rast_close(fd);
G_free(cell);
if (row < nrows)
return -1;
return 0;
}
int main(int argc, char **argv)
{
struct GModule *module;
struct Option *viewopts[MAXVIEWS], *out, *qual;
struct Flag *conv;
int i;
int *sdimp, longdim, r_out;
G_gisinit(argv[0]);
module = G_define_module();
G_add_keyword(_("raster"));
G_add_keyword(_("export"));
G_add_keyword(_("animation"));
module->description =
_("Converts raster map series to MPEG movie.");
for (i = 0; i < MAXVIEWS; i++) {
char *buf = NULL;
viewopts[i] = G_define_standard_option(G_OPT_R_INPUTS);
G_asprintf(&buf, "view%d", i + 1);
viewopts[i]->key = G_store(buf);
viewopts[i]->required = (i ? NO : YES);
G_asprintf(&buf, _("Name of input raster map(s) for view no.%d"), i + 1);
viewopts[i]->description = G_store(buf);
viewopts[i]->guisection = _("Views");
G_free(buf);
}
out = G_define_standard_option(G_OPT_R_OUTPUT);
out->description = _("Name for output file");
qual = G_define_option();
qual->key = "qual";
qual->type = TYPE_INTEGER;
qual->required = NO;
qual->multiple = NO;
qual->answer = "3";
qual->options = "1-5";
qual->description =
_("Quality factor (1 = highest quality, lowest compression)");
qual->guisection = _("Settings");
conv = G_define_flag();
conv->key = 'c';
conv->label = _("Convert on the fly, uses less disk space");
conv->description = _("Requires r.out.ppm with stdout option");
if (G_parser(argc, argv))
exit(EXIT_FAILURE);
parse_command(viewopts, vfiles, &numviews, &frames);
r_out = 0;
if (conv->answer)
r_out = 1;
quality = 3;
if (qual->answer != NULL)
sscanf(qual->answer, "%d", &quality);
if (quality > 5 || quality < 1)
quality = 3;
/* find a working encoder */
if (check_encoder("ppmtompeg"))
encoder = "ppmtompeg";
else if (check_encoder("mpeg_encode"))
encoder = "mpeg_encode";
else
G_fatal_error(_("Either mpeg_encode or ppmtompeg must be installed"));
G_debug(1, "encoder = [%s]", encoder);
vrows = Rast_window_rows();
vcols = Rast_window_cols();
nrows = vrows;
ncols = vcols;
/* short dimension */
sdimp = nrows > ncols ? &ncols : &nrows;
/* these proportions should work fine for 1 or 4 views, but for
2 views, want to double the narrow dim & for 3 views triple it */
if (numviews == 2)
*sdimp *= 2;
else if (numviews == 3)
*sdimp *= 3;
longdim = nrows > ncols ? nrows : ncols;
scale = 1.0;
{ /* find animation image size */
int max, min;
char *p;
max = DEF_MAX;
min = DEF_MIN;
if ((p = getenv("GMPEG_SIZE")))
max = min = atoi(p);
if (longdim > max) /* scale down */
scale = (float)max / longdim;
else if (longdim < min) /* scale up */
scale = (float)min / longdim;
}
/* TODO: align image size to 16 pixel width & height */
vscale = scale;
if (numviews == 4)
vscale = scale / 2.;
nrows *= scale;
ncols *= scale;
/* now nrows & ncols are the size of the combined - views image */
vrows *= vscale;
vcols *= vscale;
/* now vrows & vcols are the size for each sub-image */
/* add to nrows & ncols for borders */
/* irows, icols used for vert/horizontal determination in loop below */
irows = nrows;
icols = ncols;
nrows += (1 + (nrows / vrows)) * BORDER_W;
ncols += (1 + (ncols / vcols)) * BORDER_W;
if (numviews == 1 && r_out)
use_r_out();
else
load_files();
return (EXIT_SUCCESS);
}
static int load_files(void)
{
void *voidc;
int rtype;
register int i, rowoff, row, col, vxoff, vyoff, offset;
int cnt, fd, size, tsiz, coff;
int vnum;
int y_rows, y_cols;
char *pr, *pg, *pb;
unsigned char *tr, *tg, *tb, *tset;
char *mpfilename, *name;
char *yfiles[MAXIMAGES];
struct Colors colors;
int ret;
size = nrows * ncols;
pr = G_malloc(size);
pg = G_malloc(size);
pb = G_malloc(size);
tsiz = Rast_window_cols();
tr = (unsigned char *)G_malloc(tsiz);
tg = (unsigned char *)G_malloc(tsiz);
tb = (unsigned char *)G_malloc(tsiz);
tset = (unsigned char *)G_malloc(tsiz);
for (cnt = 0; cnt < frames; cnt++) {
if (cnt > MAXIMAGES) {
cnt--;
break;
}
for (i = 0; i < size; i++)
pr[i] = pg[i] = pb[i] = 0;
for (vnum = 0; vnum < numviews; vnum++) {
if (icols == vcols) {
vxoff = BORDER_W;
vyoff = (irows == vrows) ? BORDER_W :
BORDER_W + vnum * (BORDER_W + vrows);
}
else if (irows == vrows) {
vxoff = (icols == vcols) ? BORDER_W :
BORDER_W + vnum * (BORDER_W + vcols);
vyoff = BORDER_W;
}
else { /* 4 views */
/* assumes we want:
view1 view2
view3 view4
*/
vxoff = vnum % 2 ? BORDER_W : vcols + 2 * BORDER_W;
vyoff = vnum > 1 ? vrows + 2 * BORDER_W : BORDER_W;
}
name = vfiles[vnum][cnt];
G_message(_("Reading raster map <%s>..."), name);
fd = Rast_open_old(name, "");
if (Rast_read_colors(name, "", &colors) < 0)
G_fatal_error(_("Unable to read color table for <%s>"), name);
rtype = Rast_get_map_type(fd);
voidc = Rast_allocate_buf(rtype);
for (row = 0; row < vrows; row++) {
Rast_get_row(fd, voidc, (int)(row / vscale), rtype);
rowoff = (vyoff + row) * ncols;
Rast_lookup_colors(voidc, tr, tg, tb,
tset, tsiz, &colors, rtype);
for (col = 0; col < vcols; col++) {
coff = (int)(col / vscale);
offset = rowoff + col + vxoff;
if (!tset[coff])
pr[offset] = pg[offset] = pb[offset] = (char)255;
else {
pr[offset] = (char)tr[coff];
pg[offset] = (char)tg[coff];
pb[offset] = (char)tb[coff];
}
}
}
Rast_close(fd);
}
yfiles[cnt] = G_tempfile();
#ifdef USE_PPM
write_ppm(pr, pg, pb, nrows, ncols, &y_rows, &y_cols, yfiles[cnt]);
#else
write_ycc(pr, pg, pb, nrows, ncols, &y_rows, &y_cols, yfiles[cnt]);
#endif
}
mpfilename = G_tempfile();
write_params(mpfilename, yfiles, outfile, cnt, quality, y_rows, y_cols, 0);
if (G_verbose() <= G_verbose_min())
ret = G_spawn(encoder, encoder, mpfilename,
SF_REDIRECT_FILE, SF_STDOUT, SF_MODE_OUT, G_DEV_NULL,
SF_REDIRECT_FILE, SF_STDERR, SF_MODE_OUT, G_DEV_NULL,
NULL);
else
ret = G_spawn(encoder, encoder, mpfilename, NULL);
if (ret != 0)
G_warning(_("mpeg_encode ERROR"));
clean_files(mpfilename, yfiles, cnt);
G_free(voidc);
G_free(tset);
G_free(tr);
G_free(tg);
G_free(tb);
G_free(pr);
G_free(pg);
G_free(pb);
return (cnt);
}
int main(int argc, char *argv[])
{
int i, row, col; /* counters */
unsigned long filesize;
int endianness; /* 0=little, 1=big */
int data_format; /* 0=double 1=float 2=32bit signed int 5=8bit unsigned int (ie text) */
int data_type; /* 0=numbers 1=text */
int format_block; /* combo of endianness, 0, data_format, and type */
int realflag = 0; /* 0=only real values used */
/* should type be specifically uint32 ??? */
char array_name[32]; /* variable names must start with a letter (case
sensitive) followed by letters, numbers, or
underscores. 31 chars max. */
int name_len;
int mrows, ncols; /* text/data/map array dimensions */
int val_i; /* for misc use */
float val_f; /* for misc use */
double val_d; /* for misc use */
char *infile, *outfile, *maptitle, *basename;
struct Cell_head region;
void *raster, *ptr;
RASTER_MAP_TYPE map_type;
struct Option *inputfile, *outputfile;
struct GModule *module;
int fd;
FILE *fp1;
G_gisinit(argv[0]);
module = G_define_module();
G_add_keyword(_("raster"));
G_add_keyword(_("export"));
module->description = _("Exports a GRASS raster to a binary MAT-File.");
/* Define the different options */
inputfile = G_define_standard_option(G_OPT_R_INPUT);
outputfile = G_define_option();
outputfile->key = "output";
outputfile->type = TYPE_STRING;
outputfile->required = YES;
outputfile->gisprompt = "new_file,file,output";
outputfile->description = _("Name for the output binary MAT-File");
if (G_parser(argc, argv))
exit(EXIT_FAILURE);
infile = inputfile->answer;
basename = G_store(outputfile->answer);
G_basename(basename, "mat");
outfile = G_malloc(strlen(basename) + 5);
sprintf(outfile, "%s.mat", basename);
fd = Rast_open_old(infile, "");
map_type = Rast_get_map_type(fd);
/* open bin file for writing */
fp1 = fopen(outfile, "wb");
if (NULL == fp1)
G_fatal_error(_("Unable to open output file <%s>"), outfile);
/* Check Endian State of Host Computer */
if (G_is_little_endian())
endianness = 0; /* ie little endian */
else
endianness = 1; /* ie big endian */
G_debug(1, "Machine is %s endian.\n", endianness ? "big" : "little");
G_get_window(®ion);
/********** Write map **********/
/** write text element (map name) **/
strncpy(array_name, "map_name", 31);
mrows = 1;
ncols = strlen(infile);
data_format = 5; /* 0=double 1=float 2=32bit signed int 5=8bit unsigned int(text) */
data_type = 1; /* 0=numbers 1=text */
G_verbose_message(_("Exporting <%s>"), infile);
/* 4 byte data format */
format_block = endianness * 1000 + data_format * 10 + data_type;
fwrite(&format_block, sizeof(int), 1, fp1);
/* fprintf(stderr, "name data format is [%04ld]\n", format_block); */
/* 4 byte number of rows & columns */
fwrite(&mrows, sizeof(int), 1, fp1);
fwrite(&ncols, sizeof(int), 1, fp1);
/* 4 byte real/imag flag 0=real vals only */
fwrite(&realflag, sizeof(int), 1, fp1);
/* length of array_name+1 */
name_len = strlen(array_name) + 1;
fwrite(&name_len, sizeof(int), 1, fp1);
/* array name */
fprintf(fp1, "%s%c", array_name, '\0');
/* array data */
fprintf(fp1, "%s", infile);
/********** Write title (if there is one) **********/
maptitle = Rast_get_cell_title(infile, "");
if (strlen(maptitle) >= 1) {
/** write text element (map title) **/
strncpy(array_name, "map_title", 31);
mrows = 1;
ncols = strlen(maptitle);
data_format = 5; /* 0=double 1=float 2=32bit signed int 5=8bit unsigned int(text) */
data_type = 1; /* 0=numbers 1=text */
/* 4 byte data format */
format_block = endianness * 1000 + data_format * 10 + data_type;
fwrite(&format_block, sizeof(int), 1, fp1);
/* 4 byte number of rows & columns */
fwrite(&mrows, sizeof(int), 1, fp1);
fwrite(&ncols, sizeof(int), 1, fp1);
/* 4 byte real/imag flag 0=real vals only */
fwrite(&realflag, sizeof(int), 1, fp1);
/* length of array_name+1 */
name_len = strlen(array_name) + 1;
fwrite(&name_len, sizeof(int), 1, fp1);
/* array name */
fprintf(fp1, "%s%c", array_name, '\0');
/* array data */
fprintf(fp1, "%s", maptitle);
}
/***** Write bounds *****/
G_verbose_message("");
G_verbose_message(_("Using the Current Region settings:"));
G_verbose_message(_("northern edge=%f"), region.north);
G_verbose_message(_("southern edge=%f"), region.south);
G_verbose_message(_("eastern edge=%f"), region.east);
G_verbose_message(_("western edge=%f"), region.west);
G_verbose_message(_("nsres=%f"), region.ns_res);
G_verbose_message(_("ewres=%f"), region.ew_res);
G_verbose_message(_("rows=%d"), region.rows);
G_verbose_message(_("cols=%d"), region.cols);
G_verbose_message("");
for (i = 0; i < 4; i++) {
switch (i) {
case 0:
strncpy(array_name, "map_northern_edge", 31);
val_d = region.north;
break;
case 1:
strncpy(array_name, "map_southern_edge", 31);
val_d = region.south;
break;
case 2:
strncpy(array_name, "map_eastern_edge", 31);
val_d = region.east;
break;
case 3:
strncpy(array_name, "map_western_edge", 31);
val_d = region.west;
break;
default:
fclose(fp1);
G_fatal_error("please contact development team");
break;
}
/** write data element **/
data_format = 0; /* 0=double 1=float 2=32bit signed int 5=8bit unsigned int(text) */
data_type = 0; /* 0=numbers 1=text */
mrows = 1;
ncols = 1;
/* 4 byte data format */
format_block = endianness * 1000 + data_format * 10 + data_type;
fwrite(&format_block, sizeof(int), 1, fp1);
/* fprintf(stderr, "bounds data format is [%04ld]\n", format_block); */
/* 4 byte number of rows , 4 byte number of colums */
fwrite(&mrows, sizeof(int), 1, fp1);
fwrite(&ncols, sizeof(int), 1, fp1);
/* 4 byte real/imag flag 0=only real */
fwrite(&realflag, sizeof(int), 1, fp1);
/* length of array_name+1 */
name_len = strlen(array_name) + 1;
fwrite(&name_len, sizeof(int), 1, fp1);
/* array name */
fprintf(fp1, "%s%c", array_name, '\0');
/* write array data, by increasing column */
fwrite(&val_d, sizeof(double), 1, fp1);
/** end of data element **/
}
/***** Write map data *****/
strncpy(array_name, "map_data", 31);
switch (map_type) { /* data_format: 0=double 1=float 2=32bit signed int 5=8bit unsigned int (ie text) */
case CELL_TYPE:
data_format = 2;
G_verbose_message(_("Exporting raster as integer values"));
break;
case FCELL_TYPE:
data_format = 1;
G_verbose_message(_("Exporting raster as floating point values"));
break;
case DCELL_TYPE:
data_format = 0;
G_verbose_message(_("Exporting raster as double FP values"));
break;
default:
fclose(fp1);
G_fatal_error("Please contact development team");
break;
}
data_type = 0; /* 0=numbers 1=text */
mrows = region.rows;
ncols = region.cols;
/* 4 byte data format */
format_block = (endianness * 1000) + (data_format * 10) + data_type;
fwrite(&format_block, sizeof(int), 1, fp1);
G_debug(3, "map data format is [%04d]\n", format_block);
/* 4 byte number of rows & columns */
fwrite(&mrows, sizeof(int), 1, fp1);
fwrite(&ncols, sizeof(int), 1, fp1);
/* 4 byte real/imag flag 0=only real */
fwrite(&realflag, sizeof(int), 1, fp1);
/* length of array_name+1 */
name_len = strlen(array_name) + 1;
fwrite(&name_len, sizeof(int), 1, fp1);
/* array name */
fprintf(fp1, "%s%c", array_name, '\0');
/* data array, by increasing column */
raster =
G_calloc((Rast_window_rows() + 1) * (Rast_window_cols() + 1),
Rast_cell_size(map_type));
G_debug(1, "mem alloc is %d bytes\n", /* I think _cols()+1 is unneeded? */
Rast_cell_size(map_type) * (Rast_window_rows() +
1) * (Rast_window_cols() + 1));
G_verbose_message(_("Reading in map ... "));
/* load entire map into memory */
for (row = 0, ptr = raster; row < mrows; row++,
ptr =
G_incr_void_ptr(ptr,
(Rast_window_cols() + 1) * Rast_cell_size(map_type))) {
Rast_get_row(fd, ptr, row, map_type);
G_percent(row, mrows, 2);
}
G_percent(row, mrows, 2); /* finish it off */
G_verbose_message(_("Writing out map..."));
/* then write it to disk */
/* NoGood: fwrite(raster, Rast_cell_size(map_type), mrows*ncols, fp1); */
for (col = 0; col < ncols; col++) {
for (row = 0; row < mrows; row++) {
ptr = raster;
ptr =
G_incr_void_ptr(ptr,
(col +
row * (ncols +
1)) * Rast_cell_size(map_type));
if (!Rast_is_null_value(ptr, map_type)) {
if (map_type == CELL_TYPE) {
val_i = *((CELL *) ptr);
fwrite(&val_i, sizeof(int), 1, fp1);
}
else if (map_type == FCELL_TYPE) {
val_f = *((FCELL *) ptr);
fwrite(&val_f, sizeof(float), 1, fp1);
}
else if (map_type == DCELL_TYPE) {
val_d = *((DCELL *) ptr);
fwrite(&val_d, sizeof(double), 1, fp1);
}
}
else { /* ie if NULL cell -> write IEEE NaN value */
if (map_type == CELL_TYPE) {
val_i = *((CELL *) ptr); /* int has no NaN value, so use whatever GRASS uses */
fwrite(&val_i, sizeof(int), 1, fp1);
}
else if (map_type == FCELL_TYPE) {
if (endianness) /* ie big */
fprintf(fp1, "%c%c%c%c", 0xff, 0xf8, 0, 0);
else /* ie little */
fprintf(fp1, "%c%c%c%c", 0, 0, 0xf8, 0xff);
}
else if (map_type == DCELL_TYPE) {
if (endianness)
fprintf(fp1, "%c%c%c%c%c%c%c%c", 0xff, 0xf8, 0, 0, 0,
0, 0, 0);
else
fprintf(fp1, "%c%c%c%c%c%c%c%c", 0, 0, 0, 0, 0, 0,
0xf8, 0xff);
}
}
}
G_percent(col, ncols, 2);
}
G_percent(col, ncols, 2); /* finish it off */
/*** end of data element ***/
/* done! */
filesize = G_ftell(fp1);
fclose(fp1);
G_verbose_message(_("%ld bytes written to '%s'"), filesize, outfile);
G_done_msg("");
G_free(basename);
G_free(outfile);
exit(EXIT_SUCCESS);
}
int main(int argc, char **argv)
{
FILTER *filter;
int nfilters;
int repeat;
char *in_name;
char *filt_name;
char *out_name;
char title[1024];
char temp[300];
int i;
struct GModule *module;
struct Flag *flag2;
struct Option *opt1;
struct Option *opt2;
struct Option *opt3;
struct Option *opt4;
struct Option *opt5;
G_gisinit(argv[0]);
module = G_define_module();
G_add_keyword(_("raster"));
G_add_keyword(_("algebra"));
G_add_keyword(_("statistics"));
module->description = _("Performs raster map matrix filter.");
/* Define the different options */
opt1 = G_define_standard_option(G_OPT_R_INPUT);
opt2 = G_define_standard_option(G_OPT_R_OUTPUT);
opt3 = G_define_standard_option(G_OPT_F_INPUT);
opt3->key = "filter";
opt3->required = YES;
opt3->description = _("Path to filter file");
opt4 = G_define_option();
opt4->key = "repeat";
opt4->type = TYPE_INTEGER;
opt4->multiple = NO;
opt4->required = NO;
opt4->answer = "1";
opt4->description = _("Number of times to repeat the filter");
opt4->guisection = _("Filter");
opt5 = G_define_option();
opt5->key = "title";
opt5->type = TYPE_STRING;
opt5->required = NO;
opt5->description = _("Output raster map title");
/* Define the different flags */
/* this isn't implemented at all
flag3 = G_define_flag() ;
flag3->key = 'p' ;
flag3->description = _("Preserved edge") ;
*/
flag2 = G_define_flag();
flag2->key = 'z';
flag2->description = _("Apply filter only to null data values");
flag2->guisection = _("Filter");
if (G_parser(argc, argv))
exit(EXIT_FAILURE);
/*
preserve_edges = flag3->answer;
*/
null_only = flag2->answer;
sscanf(opt4->answer, "%d", &repeat);
out_name = opt2->answer;
filt_name = opt3->answer;
in_name = opt1->answer;
nrows = Rast_window_rows();
ncols = Rast_window_cols();
buflen = ncols * sizeof(DCELL);
/* get the filter */
filter = get_filter(filt_name, &nfilters, temp);
/* make sure filter matrix won't extend outside the raster map */
for (i = 0; i < nfilters; i++) {
if (filter[i].size > ncols || filter[i].size > nrows)
G_fatal_error(_("Raster map too small for the size of the filter"));
}
/* make a title for result */
if (opt5->answer)
strcpy(title, opt5->answer);
else {
if (*temp == 0)
strcpy(temp, "unknown filter");
sprintf(title, "%s filtered using %s", in_name, temp);
}
perform_filter(in_name, out_name, filter, nfilters, repeat);
Rast_put_cell_title(out_name, title);
exit(EXIT_SUCCESS);
}
/*!
* \brief Allocates memory for a raster map of type FCELL.
*
* Allocate an array of FCELL based on the number of columns in the
* current region.
*
* \return pointer to allocated buffer
*/
FCELL *Rast_allocate_f_buf(void)
{
return (FCELL *) G_calloc(Rast_window_cols() + 1, sizeof(FCELL));
}
/*!
* \brief Allocate memory for a raster map of given type
*
* Allocate an array of CELL, FCELL, or DCELL (depending on
* <i>data_type</i>) based on the number of columns in the current
* region.
*
* \param data_type raster type (CELL, FCELL, DCELL)
*
* \return pointer to allocated buffer
*/
void *Rast_allocate_buf(RASTER_MAP_TYPE data_type)
{
return (void *)G_calloc(Rast_window_cols() + 1, Rast_cell_size(data_type));
}
/*!
* \brief Allocates memory for a null buffer.
*
* Allocate an array of char based on the number of columns in the
* current region.
*
* \return pointer to allocated buffer
*/
char *Rast_allocate_null_buf(void)
{
return (char *)G_calloc(Rast_window_cols() + 1, sizeof(char));
}
void filter_holes(Gfile * out)
{
int row, col, nrows, ncols;
void *arast, *brast, *crast;
int i, pixel[9], cold, warm, shadow, nulo, lim;
Gfile tmp;
nrows = Rast_window_rows();
ncols = Rast_window_cols();
if (nrows < 3 || ncols < 3)
return;
/* Open to read */
if ((out->fd = Rast_open_old(out->name, "")) < 0)
G_fatal_error(_("Unable to open raster map <%s>"), out->name);
arast = Rast_allocate_buf(CELL_TYPE);
brast = Rast_allocate_buf(CELL_TYPE);
crast = Rast_allocate_buf(CELL_TYPE);
/* Open to write */
sprintf(tmp.name, "_%d.BBB", getpid());
tmp.rast = Rast_allocate_buf(CELL_TYPE);
if ((tmp.fd = Rast_open_new(tmp.name, CELL_TYPE)) < 0)
G_fatal_error(_("Unable to create raster map <%s>"), tmp.name);
G_important_message(_("Filling small holes in clouds..."));
/* Se puede acelerar creandolos nulos y luego arast = brast
brast = crast y cargando crast solamente
G_set_f_null_value(cell[2], ncols);
*/
for (row = 0; row < nrows; row++) {
G_percent(row, nrows, 2);
/* Read row values */
if (row != 0) {
Rast_get_c_row(out->fd, arast, row - 1);
}
Rast_get_c_row(out->fd, brast, row);
if (row != (nrows - 1)) {
Rast_get_c_row(out->fd, crast, row + 1);
}
/* Analysis of all pixels */
for (col = 0; col < ncols; col++) {
pixel[0] = pval(brast, col);
if (pixel[0] == 0) {
if (row == 0) {
pixel[1] = -1;
pixel[2] = -1;
pixel[3] = -1;
if (col == 0) {
pixel[4] = -1;
pixel[5] = pval(brast, col + 1);
pixel[6] = -1;
pixel[7] = pval(crast, col);
pixel[8] = pval(crast, col + 1);
}
else if (col != (ncols - 1)) {
pixel[4] = pval(brast, col - 1);
pixel[5] = pval(brast, col + 1);
pixel[6] = pval(crast, col - 1);
pixel[7] = pval(crast, col);
pixel[8] = pval(crast, col + 1);
}
else {
pixel[4] = pval(brast, col - 1);
pixel[5] = -1;
pixel[6] = pval(crast, col - 1);
pixel[7] = pval(crast, col);
pixel[8] = -1;
}
}
else if (row != (nrows - 1)) {
if (col == 0) {
pixel[1] = -1;
pixel[2] = pval(arast, col);
pixel[3] = pval(arast, col + 1);
pixel[4] = -1;
pixel[5] = pval(brast, col + 1);
pixel[6] = -1;
pixel[7] = pval(crast, col);
pixel[8] = pval(crast, col + 1);
}
else if (col != (ncols - 1)) {
pixel[1] = pval(arast, col - 1);
pixel[2] = pval(arast, col);
pixel[3] = pval(arast, col + 1);
pixel[4] = pval(brast, col - 1);
pixel[5] = pval(brast, col + 1);
pixel[6] = pval(crast, col - 1);
pixel[7] = pval(crast, col);
pixel[8] = pval(crast, col + 1);
}
else {
pixel[1] = pval(arast, col - 1);
pixel[2] = pval(arast, col);
pixel[3] = -1;
pixel[4] = pval(brast, col - 1);
pixel[5] = -1;
pixel[6] = pval(crast, col - 1);
pixel[7] = pval(crast, col);
pixel[8] = -1;
}
}
else {
pixel[6] = -1;
pixel[7] = -1;
pixel[8] = -1;
if (col == 0) {
pixel[1] = -1;
pixel[2] = pval(arast, col);
pixel[3] = pval(arast, col + 1);
pixel[4] = -1;
pixel[5] = pval(brast, col + 1);
}
else if (col != (ncols - 1)) {
pixel[1] = pval(arast, col - 1);
pixel[2] = pval(arast, col);
pixel[3] = pval(arast, col + 1);
pixel[4] = pval(brast, col - 1);
pixel[5] = pval(brast, col + 1);
}
else {
pixel[1] = pval(arast, col - 1);
pixel[2] = pval(arast, col);
pixel[3] = -1;
pixel[4] = pval(brast, col - 1);
pixel[5] = -1;
}
}
cold = warm = shadow = nulo = 0;
for (i = 1; i < 9; i++) {
switch (pixel[i]) {
case IS_COLD_CLOUD:
cold++;
break;
case IS_WARM_CLOUD:
warm++;
break;
case IS_SHADOW:
shadow++;
break;
default:
nulo++;
break;
}
}
lim = (int)(cold + warm + shadow + nulo) / 2;
/* Entra pixel[0] = 0 */
if (nulo < lim) {
if (shadow >= (cold + warm))
pixel[0] = IS_SHADOW;
else
pixel[0] =
(warm > cold) ? IS_WARM_CLOUD : IS_COLD_CLOUD;
}
}
if (pixel[0] != 0) {
((CELL *) tmp.rast)[col] = pixel[0];
}
else {
Rast_set_c_null_value((CELL *) tmp.rast + col, 1);
}
}
Rast_put_row(tmp.fd, tmp.rast, CELL_TYPE);
}
G_percent(1, 1, 1);
G_free(arast);
G_free(brast);
G_free(crast);
Rast_close(out->fd);
G_free(tmp.rast);
Rast_close(tmp.fd);
G_remove("cats", out->name);
G_remove("cell", out->name);
G_remove("cellhd", out->name);
G_remove("cell_misc", out->name);
G_remove("hist", out->name);
G_rename("cats", tmp.name, out->name);
G_rename("cell", tmp.name, out->name);
G_rename("cellhd", tmp.name, out->name);
G_rename("cell_misc", tmp.name, out->name);
G_rename("hist", tmp.name, out->name);
return;
}
int main(int argc, char *argv[])
{
struct GModule *module;
struct
{
struct Option *quant, *perc, *slots, *basemap, *covermap, *output;
} opt;
struct {
struct Flag *r, *p;
} flag;
const char *basemap, *covermap;
char **outputs;
int reclass, print;
int cover_fd, base_fd;
struct Range range;
struct FPRange fprange;
int i;
G_gisinit(argv[0]);
module = G_define_module();
G_add_keyword(_("raster"));
G_add_keyword(_("statistics"));
module->description = _("Compute category quantiles using two passes.");
opt.basemap = G_define_standard_option(G_OPT_R_BASE);
opt.covermap = G_define_standard_option(G_OPT_R_COVER);
opt.quant = G_define_option();
opt.quant->key = "quantiles";
opt.quant->type = TYPE_INTEGER;
opt.quant->required = NO;
opt.quant->description = _("Number of quantiles");
opt.perc = G_define_option();
opt.perc->key = "percentiles";
opt.perc->type = TYPE_DOUBLE;
opt.perc->multiple = YES;
opt.perc->description = _("List of percentiles");
opt.perc->answer = "50";
opt.slots = G_define_option();
opt.slots->key = "bins";
opt.slots->type = TYPE_INTEGER;
opt.slots->required = NO;
opt.slots->description = _("Number of bins to use");
opt.slots->answer = "1000";
opt.output = G_define_standard_option(G_OPT_R_OUTPUT);
opt.output->description = _("Resultant raster map(s)");
opt.output->required = NO;
opt.output->multiple = YES;
flag.r = G_define_flag();
flag.r->key = 'r';
flag.r->description =
_("Create reclass map with statistics as category labels");
flag.p = G_define_flag();
flag.p->key = 'p';
flag.p->description =
_("Do not create output maps; just print statistics");
if (G_parser(argc, argv))
exit(EXIT_FAILURE);
basemap = opt.basemap->answer;
covermap = opt.covermap->answer;
outputs = opt.output->answers;
reclass = flag.r->answer;
print = flag.p->answer;
if (!print && !opt.output->answers)
G_fatal_error(_("Either -%c or %s= must be given"),
flag.p->key, opt.output->key);
if (print && opt.output->answers)
G_fatal_error(_("-%c and %s= are mutually exclusive"),
flag.p->key, opt.output->key);
num_slots = atoi(opt.slots->answer);
if (opt.quant->answer) {
num_quants = atoi(opt.quant->answer) - 1;
quants = G_calloc(num_quants, sizeof(DCELL));
for (i = 0; i < num_quants; i++)
quants[i] = 1.0 * (i + 1) / (num_quants + 1);
}
else {
for (i = 0; opt.perc->answers[i]; i++)
;
num_quants = i;
quants = G_calloc(num_quants, sizeof(DCELL));
for (i = 0; i < num_quants; i++)
quants[i] = atof(opt.perc->answers[i]) / 100;
qsort(quants, num_quants, sizeof(DCELL), compare_dcell);
}
if (opt.output->answer) {
for (i = 0; opt.output->answers[i]; i++)
;
if (i != num_quants)
G_fatal_error(_("Number of quantiles (%d) does not match number of output maps (%d)"),
num_quants, i);
}
base_fd = Rast_open_old(basemap, "");
cover_fd = Rast_open_old(covermap, "");
if (Rast_map_is_fp(basemap, "") != 0)
G_fatal_error(_("The base map must be an integer (CELL) map"));
if (Rast_read_range(basemap, "", &range) < 0)
G_fatal_error(_("Unable to read range of base map <%s>"), basemap);
Rast_get_range_min_max(&range, &min, &max);
num_cats = max - min + 1;
if (num_cats > MAX_CATS)
G_fatal_error(_("Base map <%s> has too many categories (max: %d)"),
basemap, MAX_CATS);
Rast_read_fp_range(covermap, "", &fprange);
Rast_get_fp_range_min_max(&fprange, &f_min, &f_max);
slot_size = (f_max - f_min) / num_slots;
basecats = G_calloc(num_cats, sizeof(struct basecat));
for (i = 0; i < num_cats; i++)
basecats[i].slots = G_calloc(num_slots, sizeof(unsigned int));
rows = Rast_window_rows();
cols = Rast_window_cols();
get_slot_counts(base_fd, cover_fd);
initialize_bins();
fill_bins(base_fd, cover_fd);
sort_bins();
compute_quantiles();
if (print)
print_quantiles();
else if (reclass)
do_reclass(basemap, outputs);
else
do_output(base_fd, outputs, covermap);
Rast_close(cover_fd);
Rast_close(base_fd);
return (EXIT_SUCCESS);
}
/* ************************************************************************* */
int main(int argc, char *argv[])
{
RASTER3D_Region region, inputmap_bounds;
struct Cell_head region2d;
struct GModule *module;
struct History history;
void *map = NULL; /*The 3D Rastermap */
int i = 0, changemask = 0;
int *fd = NULL, output_type, cols, rows;
char *RasterFileName;
int overwrite = 0;
/* Initialize GRASS */
G_gisinit(argv[0]);
module = G_define_module();
G_add_keyword(_("raster3d"));
G_add_keyword(_("conversion"));
G_add_keyword(_("raster"));
G_add_keyword(_("voxel"));
module->description = _("Converts 3D raster maps to 2D raster maps");
/* Get parameters from user */
set_params();
/* Have GRASS get inputs */
if (G_parser(argc, argv))
exit(EXIT_FAILURE);
G_debug(3, "Open 3D raster map <%s>", param.input->answer);
if (NULL == G_find_raster3d(param.input->answer, ""))
Rast3d_fatal_error(_("3D raster map <%s> not found"),
param.input->answer);
/*Set the defaults */
Rast3d_init_defaults();
/*Set the resolution of the output maps */
if (param.res->answer) {
/*Open the map with current region */
map = Rast3d_open_cell_old(param.input->answer,
G_find_raster3d(param.input->answer, ""),
RASTER3D_DEFAULT_WINDOW, RASTER3D_TILE_SAME_AS_FILE,
RASTER3D_USE_CACHE_DEFAULT);
if (map == NULL)
Rast3d_fatal_error(_("Unable to open 3D raster map <%s>"),
param.input->answer);
/*Get the region of the map */
Rast3d_get_region_struct_map(map, ®ion);
/*set this region as current 3D window for map */
Rast3d_set_window_map(map, ®ion);
/*Set the 2d region appropriate */
Rast3d_extract2d_region(®ion, ®ion2d);
/*Make the new 2d region the default */
Rast_set_window(®ion2d);
} else {
/* Figure out the region from the map */
Rast3d_get_window(®ion);
/*Open the 3d raster map */
map = Rast3d_open_cell_old(param.input->answer,
G_find_raster3d(param.input->answer, ""),
®ion, RASTER3D_TILE_SAME_AS_FILE,
RASTER3D_USE_CACHE_DEFAULT);
if (map == NULL)
Rast3d_fatal_error(_("Unable to open 3D raster map <%s>"),
param.input->answer);
}
/*Check if the g3d-region is equal to the 2D rows and cols */
rows = Rast_window_rows();
cols = Rast_window_cols();
/*If not equal, set the 3D window correct */
if (rows != region.rows || cols != region.cols) {
G_message(_("The 2D and 3D region settings are different. "
"Using the 2D window settings to adjust the 2D part of the 3D region."));
G_get_set_window(®ion2d);
region.ns_res = region2d.ns_res;
region.ew_res = region2d.ew_res;
region.rows = region2d.rows;
region.cols = region2d.cols;
Rast3d_adjust_region(®ion);
Rast3d_set_window_map(map, ®ion);
}
/* save the input map region for later use (history meta-data) */
Rast3d_get_region_struct_map(map, &inputmap_bounds);
/*Get the output type */
output_type = Rast3d_file_type_map(map);
/*prepare the filehandler */
fd = (int *) G_malloc(region.depths * sizeof (int));
if (fd == NULL)
fatal_error(map, NULL, 0, _("Out of memory"));
G_message(_("Creating %i raster maps"), region.depths);
/*Loop over all output maps! open */
for (i = 0; i < region.depths; i++) {
/*Create the outputmaps */
G_asprintf(&RasterFileName, "%s_%05d", param.output->answer, i + 1);
G_message(_("Raster map %i Filename: %s"), i + 1, RasterFileName);
overwrite = G_check_overwrite(argc, argv);
if (G_find_raster2(RasterFileName, "") && !overwrite)
G_fatal_error(_("Raster map %d Filename: %s already exists. Use the flag --o to overwrite."),
i + 1, RasterFileName);
if (output_type == FCELL_TYPE)
fd[i] = open_output_map(RasterFileName, FCELL_TYPE);
else if (output_type == DCELL_TYPE)
fd[i] = open_output_map(RasterFileName, DCELL_TYPE);
}
/*if requested set the Mask on */
if (param.mask->answer) {
if (Rast3d_mask_file_exists()) {
changemask = 0;
if (Rast3d_mask_is_off(map)) {
Rast3d_mask_on(map);
changemask = 1;
}
}
}
/*Create the Rastermaps */
g3d_to_raster(map, region, fd);
/*Loop over all output maps! close */
for (i = 0; i < region.depths; i++) {
close_output_map(fd[i]);
/* write history */
G_asprintf(&RasterFileName, "%s_%i", param.output->answer, i + 1);
G_debug(4, "Raster map %d Filename: %s", i + 1, RasterFileName);
Rast_short_history(RasterFileName, "raster", &history);
Rast_set_history(&history, HIST_DATSRC_1, "3D Raster map:");
Rast_set_history(&history, HIST_DATSRC_2, param.input->answer);
Rast_append_format_history(&history, "Level %d of %d", i + 1, region.depths);
Rast_append_format_history(&history, "Level z-range: %f to %f",
region.bottom + (i * region.tb_res),
region.bottom + (i + 1 * region.tb_res));
Rast_append_format_history(&history, "Input map full z-range: %f to %f",
inputmap_bounds.bottom, inputmap_bounds.top);
Rast_append_format_history(&history, "Input map z-resolution: %f",
inputmap_bounds.tb_res);
if (!param.res->answer) {
Rast_append_format_history(&history, "GIS region full z-range: %f to %f",
region.bottom, region.top);
Rast_append_format_history(&history, "GIS region z-resolution: %f",
region.tb_res);
}
Rast_command_history(&history);
Rast_write_history(RasterFileName, &history);
}
/*We set the Mask off, if it was off before */
if (param.mask->answer) {
if (Rast3d_mask_file_exists())
if (Rast3d_mask_is_on(map) && changemask)
Rast3d_mask_off(map);
}
/*Cleaning */
if (RasterFileName)
G_free(RasterFileName);
if (fd)
G_free(fd);
/* Close files and exit */
if (!Rast3d_close(map))
fatal_error(map, NULL, 0, _("Unable to close 3D raster map"));
map = NULL;
return (EXIT_SUCCESS);
}
int main(int argc, char **argv)
{
static DCELL *count, *sum, *mean, *sumu, *sum2, *sum3, *sum4, *min, *max;
DCELL *result;
struct GModule *module;
struct {
struct Option *method, *basemap, *covermap, *output;
} opt;
struct {
struct Flag *c, *r;
} flag;
char methods[2048];
const char *basemap, *covermap, *output;
int usecats;
int reclass;
int base_fd, cover_fd;
struct Categories cats;
CELL *base_buf;
DCELL *cover_buf;
struct Range range;
CELL mincat, ncats;
int method;
int rows, cols;
int row, col, i;
G_gisinit(argv[0]);
module = G_define_module();
G_add_keyword(_("raster"));
G_add_keyword(_("statistics"));
module->description =
_("Calculates category or object oriented statistics (accumulator-based statistics).");
opt.basemap = G_define_standard_option(G_OPT_R_BASE);
opt.covermap = G_define_standard_option(G_OPT_R_COVER);
opt.method = G_define_option();
opt.method->key = "method";
opt.method->type = TYPE_STRING;
opt.method->required = YES;
opt.method->description = _("Method of object-based statistic");
for (i = 0; menu[i].name; i++) {
if (i)
strcat(methods, ",");
else
*(methods) = 0;
strcat(methods, menu[i].name);
}
opt.method->options = G_store(methods);
for (i = 0; menu[i].name; i++) {
if (i)
strcat(methods, ";");
else
*(methods) = 0;
strcat(methods, menu[i].name);
strcat(methods, ";");
strcat(methods, menu[i].text);
}
opt.method->descriptions = G_store(methods);
opt.output = G_define_standard_option(G_OPT_R_OUTPUT);
opt.output->description = _("Resultant raster map");
opt.output->required = YES;
flag.c = G_define_flag();
flag.c->key = 'c';
flag.c->description =
_("Cover values extracted from the category labels of the cover map");
flag.r = G_define_flag();
flag.r->key = 'r';
flag.r->description =
_("Create reclass map with statistics as category labels");
if (G_parser(argc, argv))
exit(EXIT_FAILURE);
basemap = opt.basemap->answer;
covermap = opt.covermap->answer;
output = opt.output->answer;
usecats = flag.c->answer;
reclass = flag.r->answer;
for (i = 0; menu[i].name; i++)
if (strcmp(menu[i].name, opt.method->answer) == 0)
break;
if (!menu[i].name) {
G_warning(_("<%s=%s> unknown %s"), opt.method->key, opt.method->answer,
opt.method->key);
G_usage();
exit(EXIT_FAILURE);
}
method = menu[i].val;
base_fd = Rast_open_old(basemap, "");
cover_fd = Rast_open_old(covermap, "");
if (usecats && Rast_read_cats(covermap, "", &cats) < 0)
G_fatal_error(_("Unable to read category file of cover map <%s>"), covermap);
if (Rast_map_is_fp(basemap, "") != 0)
G_fatal_error(_("The base map must be an integer (CELL) map"));
if (Rast_read_range(basemap, "", &range) < 0)
G_fatal_error(_("Unable to read range of base map <%s>"), basemap);
mincat = range.min;
ncats = range.max - range.min + 1;
rows = Rast_window_rows();
cols = Rast_window_cols();
switch (method) {
case COUNT:
count = G_calloc(ncats, sizeof(DCELL));
break;
case SUM:
sum = G_calloc(ncats, sizeof(DCELL));
break;
case MIN:
min = G_malloc(ncats * sizeof(DCELL));
break;
case MAX:
max = G_malloc(ncats * sizeof(DCELL));
break;
case RANGE:
min = G_malloc(ncats * sizeof(DCELL));
max = G_malloc(ncats * sizeof(DCELL));
break;
case AVERAGE:
case ADEV:
case VARIANCE2:
case STDDEV2:
case SKEWNESS2:
case KURTOSIS2:
count = G_calloc(ncats, sizeof(DCELL));
sum = G_calloc(ncats, sizeof(DCELL));
break;
case VARIANCE1:
case STDDEV1:
count = G_calloc(ncats, sizeof(DCELL));
sum = G_calloc(ncats, sizeof(DCELL));
sum2 = G_calloc(ncats, sizeof(DCELL));
break;
case SKEWNESS1:
count = G_calloc(ncats, sizeof(DCELL));
sum = G_calloc(ncats, sizeof(DCELL));
sum2 = G_calloc(ncats, sizeof(DCELL));
sum3 = G_calloc(ncats, sizeof(DCELL));
break;
case KURTOSIS1:
count = G_calloc(ncats, sizeof(DCELL));
sum = G_calloc(ncats, sizeof(DCELL));
sum2 = G_calloc(ncats, sizeof(DCELL));
sum4 = G_calloc(ncats, sizeof(DCELL));
break;
}
if (min)
for (i = 0; i < ncats; i++)
min[i] = 1e300;
if (max)
for (i = 0; i < ncats; i++)
max[i] = -1e300;
base_buf = Rast_allocate_c_buf();
cover_buf = Rast_allocate_d_buf();
G_message(_("First pass"));
for (row = 0; row < rows; row++) {
Rast_get_c_row(base_fd, base_buf, row);
Rast_get_d_row(cover_fd, cover_buf, row);
for (col = 0; col < cols; col++) {
int n;
DCELL v;
if (Rast_is_c_null_value(&base_buf[col]))
continue;
if (Rast_is_d_null_value(&cover_buf[col]))
continue;
n = base_buf[col] - mincat;
if (n < 0 || n >= ncats)
continue;
v = cover_buf[col];
if (usecats)
sscanf(Rast_get_c_cat((CELL *) &v, &cats), "%lf", &v);
if (count)
count[n]++;
if (sum)
sum[n] += v;
if (sum2)
sum2[n] += v * v;
if (sum3)
sum3[n] += v * v * v;
if (sum4)
sum4[n] += v * v * v * v;
if (min && min[n] > v)
min[n] = v;
if (max && max[n] < v)
max[n] = v;
}
G_percent(row, rows, 2);
}
G_percent(row, rows, 2);
result = G_calloc(ncats, sizeof(DCELL));
switch (method) {
case ADEV:
case VARIANCE2:
case STDDEV2:
case SKEWNESS2:
case KURTOSIS2:
mean = G_calloc(ncats, sizeof(DCELL));
for (i = 0; i < ncats; i++)
mean[i] = sum[i] / count[i];
G_free(sum);
break;
}
switch (method) {
case ADEV:
sumu = G_calloc(ncats, sizeof(DCELL));
break;
case VARIANCE2:
case STDDEV2:
sum2 = G_calloc(ncats, sizeof(DCELL));
break;
case SKEWNESS2:
sum2 = G_calloc(ncats, sizeof(DCELL));
sum3 = G_calloc(ncats, sizeof(DCELL));
break;
case KURTOSIS2:
sum2 = G_calloc(ncats, sizeof(DCELL));
sum4 = G_calloc(ncats, sizeof(DCELL));
break;
}
if (mean) {
G_message(_("Second pass"));
for (row = 0; row < rows; row++) {
Rast_get_c_row(base_fd, base_buf, row);
Rast_get_d_row(cover_fd, cover_buf, row);
for (col = 0; col < cols; col++) {
int n;
DCELL v, d;
if (Rast_is_c_null_value(&base_buf[col]))
continue;
if (Rast_is_d_null_value(&cover_buf[col]))
continue;
n = base_buf[col] - mincat;
if (n < 0 || n >= ncats)
continue;
v = cover_buf[col];
if (usecats)
sscanf(Rast_get_c_cat((CELL *) &v, &cats), "%lf", &v);
d = v - mean[n];
if (sumu)
sumu[n] += fabs(d);
if (sum2)
sum2[n] += d * d;
if (sum3)
sum3[n] += d * d * d;
if (sum4)
sum4[n] += d * d * d * d;
}
G_percent(row, rows, 2);
}
G_percent(row, rows, 2);
G_free(mean);
G_free(cover_buf);
}
switch (method) {
case COUNT:
for (i = 0; i < ncats; i++)
result[i] = count[i];
break;
case SUM:
for (i = 0; i < ncats; i++)
result[i] = sum[i];
break;
case AVERAGE:
for (i = 0; i < ncats; i++)
result[i] = sum[i] / count[i];
break;
case MIN:
for (i = 0; i < ncats; i++)
result[i] = min[i];
break;
case MAX:
for (i = 0; i < ncats; i++)
result[i] = max[i];
break;
case RANGE:
for (i = 0; i < ncats; i++)
result[i] = max[i] - min[i];
break;
case VARIANCE1:
for (i = 0; i < ncats; i++) {
double n = count[i];
double var = (sum2[i] - sum[i] * sum[i] / n) / (n - 1);
result[i] = var;
}
break;
case STDDEV1:
for (i = 0; i < ncats; i++) {
double n = count[i];
double var = (sum2[i] - sum[i] * sum[i] / n) / (n - 1);
result[i] = sqrt(var);
}
break;
case SKEWNESS1:
for (i = 0; i < ncats; i++) {
double n = count[i];
double var = (sum2[i] - sum[i] * sum[i] / n) / (n - 1);
double skew = (sum3[i] / n
- 3 * sum[i] * sum2[i] / (n * n)
+ 2 * sum[i] * sum[i] * sum[i] / (n * n * n))
/ (pow(var, 1.5));
result[i] = skew;
}
break;
case KURTOSIS1:
for (i = 0; i < ncats; i++) {
double n = count[i];
double var = (sum2[i] - sum[i] * sum[i] / n) / (n - 1);
double kurt = (sum4[i] / n
- 4 * sum[i] * sum3[i] / (n * n)
+ 6 * sum[i] * sum[i] * sum2[i] / (n * n * n)
- 3 * sum[i] * sum[i] * sum[i] * sum[i] / (n * n * n * n))
/ (var * var) - 3;
result[i] = kurt;
}
break;
case ADEV:
for (i = 0; i < ncats; i++)
result[i] = sumu[i] / count[i];
break;
case VARIANCE2:
for (i = 0; i < ncats; i++)
result[i] = sum2[i] / (count[i] - 1);
break;
case STDDEV2:
for (i = 0; i < ncats; i++)
result[i] = sqrt(sum2[i] / (count[i] - 1));
break;
case SKEWNESS2:
for (i = 0; i < ncats; i++) {
double n = count[i];
double var = sum2[i] / (n - 1);
double sdev = sqrt(var);
result[i] = sum3[i] / (sdev * sdev * sdev) / n;
}
G_free(count);
G_free(sum2);
G_free(sum3);
break;
case KURTOSIS2:
for (i = 0; i < ncats; i++) {
double n = count[i];
double var = sum2[i] / (n - 1);
result[i] = sum4[i] / (var * var) / n - 3;
}
G_free(count);
G_free(sum2);
G_free(sum4);
break;
}
if (reclass) {
const char *tempfile = G_tempfile();
char *input_arg = G_malloc(strlen(basemap) + 7);
char *output_arg = G_malloc(strlen(output) + 8);
char *rules_arg = G_malloc(strlen(tempfile) + 7);
FILE *fp;
G_message(_("Generating reclass map"));
sprintf(input_arg, "input=%s", basemap);
sprintf(output_arg, "output=%s", output);
sprintf(rules_arg, "rules=%s", tempfile);
fp = fopen(tempfile, "w");
if (!fp)
G_fatal_error(_("Unable to open temporary file"));
for (i = 0; i < ncats; i++)
fprintf(fp, "%d = %d %f\n", mincat + i, mincat + i, result[i]);
fclose(fp);
G_spawn("r.reclass", "r.reclass", input_arg, output_arg, rules_arg, NULL);
}
else {
int out_fd;
DCELL *out_buf;
struct Colors colors;
G_message(_("Writing output map"));
out_fd = Rast_open_fp_new(output);
out_buf = Rast_allocate_d_buf();
for (row = 0; row < rows; row++) {
Rast_get_c_row(base_fd, base_buf, row);
for (col = 0; col < cols; col++)
if (Rast_is_c_null_value(&base_buf[col]))
Rast_set_d_null_value(&out_buf[col], 1);
else
out_buf[col] = result[base_buf[col] - mincat];
Rast_put_d_row(out_fd, out_buf);
G_percent(row, rows, 2);
}
G_percent(row, rows, 2);
Rast_close(out_fd);
if (Rast_read_colors(covermap, "", &colors) > 0)
Rast_write_colors(output, G_mapset(), &colors);
}
return 0;
}
int open_file(char *name)
{
int cell_file, buf_len;
int i, row;
CELL *buf;
/* open raster map */
cell_file = Rast_open_old(name, "");
if (Rast_get_map_type(cell_file) != CELL_TYPE) {
Rast_close(cell_file);
G_fatal_error(_("Input raster must be of type CELL."));
}
n_rows = Rast_window_rows();
n_cols = Rast_window_cols();
G_message(_("File %s -- %d rows X %d columns"), name, n_rows, n_cols);
n_cols += (PAD << 1);
/* copy raster map into our read/write file */
work_file_name = G_tempfile();
/* create the file and then open it for read and write */
close(creat(work_file_name, 0666));
if ((work_file = open(work_file_name, 2)) < 0) {
unlink(work_file_name);
G_fatal_error(_("%s: Unable to create temporary file <%s> -- errno = %d"),
error_prefix, work_file_name, errno);
}
buf_len = n_cols * sizeof(CELL);
buf = (CELL *) G_malloc(buf_len);
Rast_set_c_null_value(buf, n_cols);
for (i = 0; i < PAD; i++) {
if (write(work_file, buf, buf_len) != buf_len) {
unlink(work_file_name);
G_fatal_error(_("%s: Error writing temporary file"),
error_prefix);
}
}
for (row = 0; row < n_rows; row++) {
Rast_get_c_row(cell_file, buf + PAD, row);
if (write(work_file, buf, buf_len) != buf_len) {
unlink(work_file_name);
G_fatal_error(_("%s: Error writing temporary file"),
error_prefix);
}
}
Rast_set_c_null_value(buf, n_cols);
for (i = 0; i < PAD; i++) {
if (write(work_file, buf, buf_len) != buf_len) {
unlink(work_file_name);
G_fatal_error(_("%s: Error writing temporary file"),
error_prefix);
}
}
n_rows += (PAD << 1);
G_free(buf);
Rast_close(cell_file);
Rowio_setup(&row_io, work_file, MAX_ROW, n_cols * sizeof(CELL), read_row,
write_row);
return 0;
}
int execute_random(struct rr_state *theState)
{
long nt;
long nc;
struct Cell_head window;
int nrows, ncols, row, col;
int infd, cinfd, outfd;
struct Map_info Out;
struct field_info *fi;
dbTable *table;
dbColumn *column;
dbString sql;
dbDriver *driver;
struct line_pnts *Points;
struct line_cats *Cats;
int cat;
RASTER_MAP_TYPE type;
int do_check;
G_get_window(&window);
nrows = Rast_window_rows();
ncols = Rast_window_cols();
/* open the data files, input raster should be set-up already */
if ((infd = theState->fd_old) < 0)
G_fatal_error(_("Unable to open raster map <%s>"),
theState->inraster);
if (theState->docover == TRUE) {
if ((cinfd = theState->fd_cold) < 0)
G_fatal_error(_("Unable to open raster map <%s>"),
theState->inrcover);
}
if (theState->outraster != NULL) {
if (theState->docover == TRUE)
type = theState->cover.type;
else
type = theState->buf.type;
outfd = Rast_open_new(theState->outraster, type);
theState->fd_new = outfd;
}
if (theState->outvector) {
if (Vect_open_new(&Out, theState->outvector, theState->z_geometry) < 0)
G_fatal_error(_("Unable to create vector map <%s>"),
theState->outvector);
Vect_hist_command(&Out);
fi = Vect_default_field_info(&Out, 1, NULL, GV_1TABLE);
driver =
db_start_driver_open_database(fi->driver,
Vect_subst_var(fi->database, &Out));
if (!driver)
G_fatal_error(_("Unable to open database <%s> by driver <%s>"),
Vect_subst_var(fi->database, &Out), fi->driver);
db_set_error_handler_driver(driver);
Vect_map_add_dblink(&Out, 1, NULL, fi->table, GV_KEY_COLUMN, fi->database,
fi->driver);
if (theState->docover == TRUE)
table = db_alloc_table(3);
else
table = db_alloc_table(2);
db_set_table_name(table, fi->table);
column = db_get_table_column(table, 0);
db_set_column_name(column, GV_KEY_COLUMN);
db_set_column_sqltype(column, DB_SQL_TYPE_INTEGER);
column = db_get_table_column(table, 1);
db_set_column_name(column, "value");
db_set_column_sqltype(column, DB_SQL_TYPE_DOUBLE_PRECISION);
if (theState->docover == TRUE) {
column = db_get_table_column(table, 2);
db_set_column_name(column, "covervalue");
db_set_column_sqltype(column, DB_SQL_TYPE_DOUBLE_PRECISION);
}
if (db_create_table(driver, table) != DB_OK)
G_warning(_("Cannot create new table"));
db_begin_transaction(driver);
Points = Vect_new_line_struct();
Cats = Vect_new_cats_struct();
db_init_string(&sql);
}
if (theState->outvector && theState->outraster)
G_message(_("Writing raster map <%s> and vector map <%s> ..."),
theState->outraster, theState->outvector);
else if (theState->outraster)
G_message(_("Writing raster map <%s> ..."), theState->outraster);
else if (theState->outvector)
G_message(_("Writing vector map <%s> ..."), theState->outvector);
G_percent(0, theState->nRand, 2);
init_rand();
nc = (theState->use_nulls) ? theState->nCells :
theState->nCells - theState->nNulls;
nt = theState->nRand; /* Number of points to generate */
cat = 1;
/* Execute for loop for every row if nt>1 */
for (row = 0; row < nrows && nt; row++) {
Rast_get_row(infd, theState->buf.data.v, row, theState->buf.type);
if (theState->docover == TRUE) {
Rast_get_row(cinfd, theState->cover.data.v, row,
theState->cover.type);
}
for (col = 0; col < ncols && nt; col++) {
do_check = 0;
if (theState->use_nulls || !is_null_value(theState->buf, col))
do_check = 1;
if (do_check && theState->docover == TRUE) { /* skip no data cover points */
if (!theState->use_nulls &&
is_null_value(theState->cover, col))
do_check = 0;
}
if (do_check && make_rand() % nc < nt) {
nt--;
if (is_null_value(theState->buf, col))
cpvalue(&theState->nulls, 0, &theState->buf, col);
if (theState->docover == TRUE) {
if (is_null_value(theState->cover, col))
cpvalue(&theState->cnulls, 0, &theState->cover, col);
}
if (theState->outvector) {
double x, y, val, coverval;
char buf[500];
Vect_reset_line(Points);
Vect_reset_cats(Cats);
x = window.west + (col + .5) * window.ew_res;
y = window.north - (row + .5) * window.ns_res;
val = cell_as_dbl(&theState->buf, col);
if (theState->docover == 1)
coverval = cell_as_dbl(&theState->cover, col);
if (theState->z_geometry)
Vect_append_point(Points, x, y, val);
else
Vect_append_point(Points, x, y, 0.0);
Vect_cat_set(Cats, 1, cat);
Vect_write_line(&Out, GV_POINT, Points, Cats);
if (theState->docover == 1)
if (is_null_value(theState->cover, col))
sprintf(buf,
"insert into %s values ( %d, %f, NULL )",
fi->table, cat, val);
else
sprintf(buf,
"insert into %s values ( %d, %f, %f )",
fi->table, cat, val, coverval);
else
sprintf(buf, "insert into %s values ( %d, %f )",
fi->table, cat, val);
db_set_string(&sql, buf);
if (db_execute_immediate(driver, &sql) != DB_OK)
G_fatal_error(_("Cannot insert new record: %s"),
db_get_string(&sql));
cat++;
}
G_percent((theState->nRand - nt), theState->nRand, 2);
}
else {
set_to_null(&theState->buf, col);
if (theState->docover == 1)
set_to_null(&theState->cover, col);
}
if (do_check)
nc--;
}
while (col < ncols) {
set_to_null(&theState->buf, col);
if (theState->docover == 1)
set_to_null(&theState->cover, col);
col++;
}
if (theState->outraster) {
if (theState->docover == 1)
Rast_put_row(outfd, theState->cover.data.v,
theState->cover.type);
else
Rast_put_row(outfd, theState->buf.data.v,
theState->buf.type);
}
}
/* Catch any remaining rows in the window */
if (theState->outraster && row < nrows) {
for (col = 0; col < ncols; col++) {
if (theState->docover == 1)
set_to_null(&theState->cover, col);
else
set_to_null(&theState->buf, col);
}
for (; row < nrows; row++) {
if (theState->docover == 1)
Rast_put_row(outfd, theState->cover.data.v,
theState->cover.type);
else
Rast_put_row(outfd, theState->buf.data.v,
theState->buf.type);
}
}
if (nt > 0)
G_warning(_("Only [%ld] random points created"),
theState->nRand - nt);
/* close files */
Rast_close(infd);
if (theState->docover == TRUE)
Rast_close(cinfd);
if (theState->outvector) {
db_commit_transaction(driver);
if (db_create_index2(driver, fi->table, GV_KEY_COLUMN) != DB_OK)
G_warning(_("Unable to create index"));
if (db_grant_on_table
(driver, fi->table, DB_PRIV_SELECT,
DB_GROUP | DB_PUBLIC) != DB_OK) {
G_fatal_error(_("Unable to grant privileges on table <%s>"),
fi->table);
}
db_close_database_shutdown_driver(driver);
if (theState->notopol != 1)
Vect_build(&Out);
Vect_close(&Out);
}
if (theState->outraster)
Rast_close(outfd);
return 0;
} /* execute_random() */