int get_ref_points(void)
{
char msg[200];
/* struct Ortho_Photo_Points cp; */
if (!I_get_ref_points(group.name, &group.photo_points))
exit(0);
sprintf(msg, _("Reference Point file for group [%s] in [%s] \n \n"),
group.name, G_mapset());
Compute_ref_equation();
switch (group.ref_equation_stat) {
case -1:
strcat(msg, _("Poorly placed Reference Points!\n"));
strcat(msg, _("Can not generate the transformation equation.\n"));
strcat(msg, _("Run OPTION 5 of i.ortho.photo again!\n"));
break;
case 0:
strcat(msg, _("No active Reference Points!\n"));
strcat(msg, _("Can not generate the transformation equation.\n"));
strcat(msg, _("Run OPTION 5 of i.ortho.photo!\n"));
break;
default:
return 1;
}
G_fatal_error("%s", msg);
/* exit(1); shouldn't get here */
}
int main(int argc, char *argv[])
{
char mapset[GMAPSET_MAX];
char name[GNAME_MAX];
char *camera;
struct GModule *module;
struct Option *group_opt, *map_opt, *target_map_opt;
struct Cell_head cellhd;
int ok;
int nfiles;
/* must run in a term window */
G_putenv("GRASS_UI_TERM", "1");
G_gisinit(argv[0]);
module = G_define_module();
module->keywords = _("imagery, orthorectify");
module->description = _("Creates control points on an image "
"to be ortho-rectified.");
group_opt = G_define_option();
group_opt->key = "group";
group_opt->type = TYPE_STRING;
group_opt->required = YES;
group_opt->multiple = NO;
group_opt->description = _("Name of imagery group");
map_opt = G_define_standard_option(G_OPT_R_MAP);
map_opt->required = NO;
map_opt->description = _("Name of image to be rectified which will "
"be initially drawn on screen");
target_map_opt = G_define_standard_option(G_OPT_R_MAP);
target_map_opt->key = "target";
target_map_opt->required = NO;
target_map_opt->description = _("Name of a map from target mapset which "
"will be initially drawn on screen");
if (G_parser(argc, argv))
exit(EXIT_FAILURE);
G_suppress_masking(); /* need to do this for target location */
camera = (char *)G_malloc(40 * sizeof(char));
strcpy(name, group_opt->answer);
interrupt_char = G_intr_char();
tempfile1 = G_tempfile();
tempfile2 = G_tempfile();
tempfile_dot = G_tempfile();
tempfile_dot2 = G_tempfile();
tempfile_win = G_tempfile();
tempfile_win2 = G_tempfile();
cell_list = G_tempfile();
vect_list = G_tempfile();
group_list = G_tempfile();
digit_points = G_tempfile();
if (R_open_driver() != 0)
G_fatal_error(_("No graphics device selected"));
/* get group ref */
strcpy(group.name, name);
if (!I_find_group(group.name))
G_fatal_error(_("Group [%s] not found"), group.name);
/* get the group ref */
I_get_group_ref(group.name, &group.group_ref);
nfiles = group.group_ref.nfiles;
/* write block files to block list file */
prepare_group_list();
/** look for camera info for this group**/
G_suppress_warnings(1);
if (!I_get_group_camera(group.name, camera))
G_fatal_error(_("No camera reference file selected for group [%s]"),
group.name);
if (!I_get_cam_info(camera, &group.camera_ref))
G_fatal_error(_("Bad format in camera file for group [%s]"),
group.name);
G_suppress_warnings(0);
/* get initial camera exposure station, if any */
if (!(ok = I_find_initial(group.name)))
G_warning(_("No initial camera exposure station for group [%s]"),
group.name);
if (ok && (!I_get_init_info(group.name, &group.camera_exp)) )
G_warning(_("Bad format in initial camera exposure station for group [%s]"),
group.name);
/* get target info and environment */
G_suppress_warnings(1);
get_target();
find_target_files();
G_suppress_warnings(0);
/* read group reference points, if any */
G_suppress_warnings(1);
if (!I_get_ref_points(group.name, &group.photo_points)) {
G_suppress_warnings(0);
if (group.photo_points.count == 0)
G_fatal_error(_("No photo points for group [%s]"), group.name);
else if (group.ref_equation_stat == 0)
G_fatal_error(_("Poorly placed photo points for group [%s]"),
group.name);
}
G_suppress_warnings(0);
/* determine transformation equation */
Compute_ref_equation();
/* read group control points, format: image x,y,cfl; target E,N,Z */
G_suppress_warnings(1);
if (!I_get_con_points(group.name, &group.control_points))
group.control_points.count = 0;
G_suppress_warnings(0);
/* compute image coordinates of photo control points */
/********
I_convert_con_points (group.name, &group.control_points,
&group.control_points, group.E12, group.N12);
********/
/* determine transformation equation */
G_message(_("Computing equations ..."));
if (group.control_points.count > 0)
Compute_ortho_equation();
/* signal (SIGINT, SIG_IGN); */
/* signal (SIGQUIT, SIG_IGN); */
select_current_env();
Init_graphics();
display_title(VIEW_MAP1);
select_target_env();
display_title(VIEW_MAP2);
select_current_env();
Begin_curses();
G_set_error_routine(error);
/*
#ifdef SIGTSTP
signal (SIGTSTP, SIG_IGN);
#endif
*/
/* Set image to be rectified */
if (map_opt->answer) {
char *ms;
ms = G_find_cell(map_opt->answer, "");
if (ms == NULL) {
G_fatal_error(_("Raster map <%s> not found"), map_opt->answer);
}
strcpy(name, map_opt->answer);
strcpy(mapset, ms);
if (G_get_cellhd(name, mapset, &cellhd) < 0) {
G_fatal_error(_("Unable to read raster header of <%s>"), map_opt->answer);
}
}
else {
/* ask user for group file to be displayed */
do {
if (!choose_groupfile(name, mapset))
quit(EXIT_SUCCESS);
/* display this file in "map1" */
} while (G_get_cellhd(name, mapset, &cellhd) < 0);
}
G_adjust_window_to_box(&cellhd, &VIEW_MAP1->cell.head, VIEW_MAP1->nrows,
VIEW_MAP1->ncols);
Configure_view(VIEW_MAP1, name, mapset, cellhd.ns_res, cellhd.ew_res);
drawcell(VIEW_MAP1);
/* Set target map if specified */
if (target_map_opt->answer) {
char *ms;
select_target_env();
ms = G_find_cell(target_map_opt->answer, "");
if (ms == NULL) {
G_fatal_error(_("Raster map <%s> not found"),
target_map_opt->answer);
}
strcpy(name, target_map_opt->answer);
strcpy(mapset, ms);
if (G_get_cellhd(name, mapset, &cellhd) < 0) {
G_fatal_error(_("Unable to read raster header of <%s>"),
target_map_opt->answer);
}
G_adjust_window_to_box(&cellhd, &VIEW_MAP2->cell.head,
VIEW_MAP2->nrows, VIEW_MAP2->ncols);
Configure_view(VIEW_MAP2, name, mapset, cellhd.ns_res, cellhd.ew_res);
drawcell(VIEW_MAP2);
from_flag = 1;
from_keyboard = 0;
from_screen = 1;
}
display_conz_points(1);
Curses_clear_window(PROMPT_WINDOW);
/* determine initial input method. */
setup_digitizer();
if (use_digitizer) {
from_digitizer = 1;
from_keyboard = 0;
from_flag = 1;
}
/* go do the work */
driver();
quit(EXIT_SUCCESS);
}
