int
G3d_readRange(const char *name, const char *mapset, struct FPRange *drange)
/* adapted from G_read_fp_range */
{
int fd;
char xname[GNAME_MAX], xmapset[GMAPSET_MAX];
char buf[GNAME_MAX + sizeof(G3D_DIRECTORY) + 2],
buf2[GMAPSET_MAX + sizeof(G3D_RANGE_ELEMENT) + 2];
char xdr_buf[100];
DCELL dcell1, dcell2;
XDR xdr_str;
G_init_fp_range(drange);
fd = -1;
if (G__name_is_fully_qualified(name, xname, xmapset)) {
sprintf(buf, "%s/%s", G3D_DIRECTORY, xname);
sprintf(buf2, "%s@%s", G3D_RANGE_ELEMENT, xmapset); /* == range@mapset */
}
else {
sprintf(buf, "%s/%s", G3D_DIRECTORY, name);
sprintf(buf2, "%s", G3D_RANGE_ELEMENT);
}
if (G_find_file2(buf, buf2, mapset)) {
fd = G_open_old(buf, buf2, mapset);
if (fd < 0)
goto error;
if (read(fd, xdr_buf, 2 * G3D_XDR_DOUBLE_LENGTH) !=
2 * G3D_XDR_DOUBLE_LENGTH)
return 2;
xdrmem_create(&xdr_str, xdr_buf, (u_int) G3D_XDR_DOUBLE_LENGTH * 2,
XDR_DECODE);
/* if the f_range file exists, but empty */
if (!xdr_double(&xdr_str, &dcell1) || !xdr_double(&xdr_str, &dcell2))
goto error;
G_update_fp_range(dcell1, drange);
G_update_fp_range(dcell2, drange);
close(fd);
return 1;
}
error:
if (fd > 0)
close(fd);
G_warning("can't read range file for [%s in %s]", name, mapset);
return -1;
}
int G_rename(const char *element, const char *oldname, const char *newname)
{
const char *mapset;
char xname[GNAME_MAX], xmapset[GMAPSET_MAX];
char from[512], to[512];
/* name in mapset legal only if mapset is current mapset */
mapset = G_mapset();
if (G__name_is_fully_qualified(oldname, xname, xmapset)
&& strcmp(mapset, xmapset))
return -1;
if (G__name_is_fully_qualified(newname, xname, xmapset)
&& strcmp(mapset, xmapset))
return -1;
/* if file does not exist return 0 */
if (access(G__file_name(from, element, oldname, mapset), 0) != 0)
return 0;
G__file_name(to, element, newname, mapset);
/* return result of rename */
return G_rename_file(from, to) == 0 ? 1 : -1;
}
static int writeRange(const char *name, struct FPRange *range)
/* adapted from G_write_fp_range */
{
char xname[GNAME_MAX], xmapset[GMAPSET_MAX];
char buf[GNAME_MAX + sizeof(G3D_DIRECTORY) + 2],
buf2[GMAPSET_MAX + sizeof(G3D_RANGE_ELEMENT) + 2];
char xdr_buf[100];
int fd;
XDR xdr_str;
if (G__name_is_fully_qualified(name, xname, xmapset)) {
sprintf(buf, "%s/%s", G3D_DIRECTORY, xname);
sprintf(buf2, "%s@%s", G3D_RANGE_ELEMENT, xmapset); /* == range@mapset */
}
else {
sprintf(buf, "%s/%s", G3D_DIRECTORY, name);
sprintf(buf2, "%s", G3D_RANGE_ELEMENT);
}
fd = G_open_new(buf, buf2);
if (fd < 0)
goto error;
if (range->first_time) {
/* if range hasn't been updated, write empty file meaning NULLs */
close(fd);
return 0;
}
xdrmem_create(&xdr_str, xdr_buf, (u_int) G3D_XDR_DOUBLE_LENGTH * 2,
XDR_ENCODE);
if (!xdr_double(&xdr_str, &(range->min)))
goto error;
if (!xdr_double(&xdr_str, &(range->max)))
goto error;
write(fd, xdr_buf, G3D_XDR_DOUBLE_LENGTH * 2);
close(fd);
return 0;
error:
G_remove(buf, buf2); /* remove the old file with this name */
sprintf(buf, "can't write range file for [%s in %s]", name, G_mapset());
G_warning(buf);
return -1;
}
int g3_find_dsp_file(char *cell, char *file, char *mset)
{
char element[100], name[GNAME_MAX], mapset[GMAPSET_MAX],
tofind[GNAME_MAX];
if (file == NULL || *file == 0)
return 0;
strcpy(tofind, file);
if (G__name_is_fully_qualified(cell, name, mapset))
sprintf(element, "grid3/%s/dsp", name);
else
sprintf(element, "grid3/%s/dsp", cell);
return G_find_file(element, tofind, mset) != NULL;
}
char *G__file_name (
char *path,
char *element,
char *name,
char *mapset)
{
char xname[512];
char xmapset[512];
char *location = G__location_path();
/*
* if a name is given, build a file name
* must split the name into name, mapset if it is
* in the name@mapset format
*/
if (name && *name && G__name_is_fully_qualified(name, xname, xmapset))
{
strcpy(name, xname);
sprintf(path,"%s/%s", location, xmapset);
}
else if (mapset && *mapset)
sprintf(path,"%s/%s", location, mapset);
else
sprintf(path,"%s/%s", location, G_mapset());
G_free (location);
if (element && *element)
{
strcat (path, "/");
strcat (path, element);
}
if (name && *name)
{
strcat (path, "/");
strcat (path, name);
}
/*
* return pointer to users 'path' buffer
*/
return path;
}
/*
* If windowName == NULL -> G3D_WINDOW_ELEMENT ("$MAPSET/WIND3")
* otherwise G3D_WINDOW_DATABASE ("$MAPSET/windows3d/$NAME")
*/
static void G3d_getFullWindowPath(char *path, const char *windowName)
{
char xname[GNAME_MAX], xmapset[GMAPSET_MAX];
if (windowName == NULL) {
G__file_name(path, "", G3D_WINDOW_ELEMENT, G_mapset());
return;
}
while (*windowName == ' ')
windowName++;
if (strchr(windowName, GRASS_DIRSEP) || strchr(windowName, HOST_DIRSEP)) {
sprintf(path, windowName);
return;
}
if (G__name_is_fully_qualified(windowName, xname, xmapset)) {
G__file_name(path, G3D_WINDOW_DATABASE, xname, xmapset);
return;
}
G__file_name(path, G3D_WINDOW_DATABASE, windowName, G_mapset());
}
int G__open (
char *element,
char *name,
char *mapset,
int mode)
{
char path[1024];
char xname[512], xmapset[512], *dummy;
int G_fd;
G__check_gisinit();
/* READ */
if (mode == 0)
{
if (G__name_is_fully_qualified (name, xname, xmapset))
{
if (strcmp (xmapset, mapset) != 0) {
fprintf(stderr, "G__open(r): mapset (%s) doesn't match xmapset (%s)\n",
mapset,xmapset);
return -1;
}
name = xname;
}
if ((dummy = G_find_file (element, name, mapset)) == NULL)
return -1;
G_free (dummy);
G__file_name (path, element, name, mapset);
G_fd = open (path, 0);
#if defined R_GRASS_INTERFACE && defined __MINGW32_VERSION
setmode(G_fd, O_BINARY);
#endif /* __MINGW32_VERSION && R_GRASS_INTERFACE */
return G_fd;
}
/* WRITE */
if (mode == 1 || mode == 2)
{
if (G__name_is_fully_qualified (name, xname, xmapset))
{
if (strcmp (xmapset, G_mapset()) != 0) {
fprintf(stderr, "G__open(w): xmapset (%s) != G_mapset() (%s)\n",
xmapset,G_mapset());
return -1;
}
name = xname;
}
if (G_legal_filename(name) == -1)
return -1;
G__file_name (path, element, name, G_mapset());
if(mode == 1 || access(path,0) != 0)
{
G__make_mapset_element (element);
close (creat (path, 0666));
}
G_fd = open (path, mode);
#if defined R_GRASS_INTERFACE && defined __MINGW32_VERSION
setmode(G_fd, O_BINARY);
#endif /* __MINGW32_VERSION && R_GRASS_INTERFACE */
return G_fd;
}
return -1;
}
int main(int argc, char *argv[])
{
char group[INAME_LEN], extension[INAME_LEN];
int order; /* ADDED WITH CRS MODIFICATIONS */
char *ipolname; /* name of interpolation method */
int method;
int n, i, m, k = 0;
int got_file = 0, target_overwrite = 0;
char *overstr;
struct Cell_head cellhd;
struct Option *grp, /* imagery group */
*val, /* transformation order */
*ifile, /* input files */
*ext, /* extension */
*tres, /* target resolution */
*mem, /* amount of memory for cache */
*interpol; /* interpolation method:
nearest neighbor, bilinear, cubic */
struct Flag *c, *a;
struct GModule *module;
G_gisinit(argv[0]);
module = G_define_module();
module->keywords = _("imagery, rectify");
module->description =
_("Rectifies an image by computing a coordinate "
"transformation for each pixel in the image based on the "
"control points.");
grp = G_define_standard_option(G_OPT_I_GROUP);
ifile = G_define_standard_option(G_OPT_R_INPUTS);
ifile->required = NO;
ext = G_define_option();
ext->key = "extension";
ext->type = TYPE_STRING;
ext->required = YES;
ext->multiple = NO;
ext->description = _("Output raster map(s) suffix");
val = G_define_option();
val->key = "order";
val->type = TYPE_INTEGER;
val->required = YES;
val->description = _("Rectification polynom order (1-3)");
tres = G_define_option();
tres->key = "res";
tres->type = TYPE_DOUBLE;
tres->required = NO;
tres->description = _("Target resolution (ignored if -c flag used)");
mem = G_define_option();
mem->key = "memory";
mem->type = TYPE_DOUBLE;
mem->key_desc = "memory in MB";
mem->required = NO;
mem->answer = "300";
mem->description = _("Amount of memory to use in MB");
ipolname = make_ipol_list();
interpol = G_define_option();
interpol->key = "method";
interpol->type = TYPE_STRING;
interpol->required = NO;
interpol->answer = "nearest";
interpol->options = ipolname;
interpol->description = _("Interpolation method to use");
c = G_define_flag();
c->key = 'c';
c->description =
_("Use current region settings in target location (def.=calculate smallest area)");
a = G_define_flag();
a->key = 'a';
a->description = _("Rectify all raster maps in group");
if (G_parser(argc, argv))
exit(EXIT_FAILURE);
/* get the method */
for (method = 0; (ipolname = menu[method].name); method++)
if (strcmp(ipolname, interpol->answer) == 0)
break;
if (!ipolname)
G_fatal_error(_("<%s=%s> unknown %s"),
interpol->key, interpol->answer, interpol->key);
interpolate = menu[method].method;
G_strip(grp->answer);
strcpy(group, grp->answer);
strcpy(extension, ext->answer);
order = atoi(val->answer);
seg_mb = NULL;
if (mem->answer) {
if (atoi(mem->answer) > 0)
seg_mb = mem->answer;
}
if (!ifile->answers)
a->answer = 1; /* force all */
/* Find out how many files on command line */
if (!a->answer) {
for (m = 0; ifile->answers[m]; m++) {
k = m;
}
k++;
}
if (order < 1 || order > MAXORDER)
G_fatal_error(_("Invalid order (%d); please enter 1 to %d"), order,
MAXORDER);
/* determine the number of files in this group */
if (I_get_group_ref(group, &ref) <= 0)
G_fatal_error(_("Group <%s> does not exist"), grp->answer);
if (ref.nfiles <= 0) {
G_important_message(_("Group <%s> contains no raster maps; run i.group"),
grp->answer);
exit(EXIT_SUCCESS);
}
ref_list = (int *)G_malloc(ref.nfiles * sizeof(int));
if (a->answer) {
for (n = 0; n < ref.nfiles; n++) {
ref_list[n] = 1;
}
}
else {
char xname[GNAME_MAX], xmapset[GMAPSET_MAX], *name, *mapset;
for (n = 0; n < ref.nfiles; n++)
ref_list[n] = 0;
for (m = 0; m < k; m++) {
got_file = 0;
if (G__name_is_fully_qualified(ifile->answers[m], xname, xmapset)) {
name = xname;
mapset = xmapset;
}
else {
name = ifile->answers[m];
mapset = NULL;
}
got_file = 0;
for (n = 0; n < ref.nfiles; n++) {
if (mapset) {
if (strcmp(name, ref.file[n].name) == 0 &&
strcmp(mapset, ref.file[n].mapset) == 0) {
got_file = 1;
ref_list[n] = 1;
break;
}
}
else {
if (strcmp(name, ref.file[n].name) == 0) {
got_file = 1;
ref_list[n] = 1;
break;
}
}
}
if (got_file == 0)
err_exit(ifile->answers[m], group);
}
}
/* read the control points for the group */
get_control_points(group, order);
/* get the target */
get_target(group);
/* Check the GRASS_OVERWRITE environment variable */
if ((overstr = getenv("GRASS_OVERWRITE"))) /* OK ? */
target_overwrite = atoi(overstr);
if (!target_overwrite) {
/* check if output exists in target location/mapset */
char result[GNAME_MAX];
select_target_env();
for (i = 0; i < ref.nfiles; i++) {
if (!ref_list[i])
continue;
strcpy(result, ref.file[i].name);
strcat(result, extension);
if (G_legal_filename(result) < 0)
G_fatal_error(_("Extension <%s> is illegal"), extension);
if (G_find_cell(result, G_mapset())) {
G_warning(_("The following raster map already exists in"));
G_warning(_("target LOCATION %s, MAPSET %s:"),
G_location(), G_mapset());
G_warning("<%s>", result);
G_fatal_error(_("Orthorectification cancelled."));
}
}
select_current_env();
}
else
G_debug(1, "Overwriting OK");
/* do not use current region in target location */
if (!c->answer) {
double res = -1;
if (tres->answer) {
if (!((res = atof(tres->answer)) > 0))
G_warning(_("Target resolution must be > 0, ignored"));
}
/* Calculate smallest region */
if (a->answer) {
if (G_get_cellhd(ref.file[0].name, ref.file[0].mapset, &cellhd) <
0)
G_fatal_error(_("Unable to read header of raster map <%s>"),
ref.file[0].name);
}
else {
if (G_get_cellhd(ifile->answers[0], ref.file[0].mapset, &cellhd) <
0)
G_fatal_error(_("Unable to read header of raster map <%s>"),
ifile->answers[0]);
}
georef_window(&cellhd, &target_window, order, res);
}
G_verbose_message(_("Using region: N=%f S=%f, E=%f W=%f"), target_window.north,
target_window.south, target_window.east, target_window.west);
exec_rectify(order, extension, interpol->answer);
G_done_msg(" ");
exit(EXIT_SUCCESS);
}
