void update_default_window(struct Cell_head *cellhd)
{
/* -------------------------------------------------------------------- */
/* Extend current window based on dataset. */
/* -------------------------------------------------------------------- */
struct Cell_head cur_wind;
if (strcmp(G_mapset(), "PERMANENT") == 0)
/* fixme: expand WIND and DEFAULT_WIND independently. (currently
WIND gets forgotten and DEFAULT_WIND is expanded for both) */
G_get_default_window(&cur_wind);
else
G_get_window(&cur_wind);
cur_wind.north = MAX(cur_wind.north, cellhd->north);
cur_wind.south = MIN(cur_wind.south, cellhd->south);
cur_wind.west = MIN(cur_wind.west, cellhd->west);
cur_wind.east = MAX(cur_wind.east, cellhd->east);
cur_wind.rows = (int)ceil((cur_wind.north - cur_wind.south)
/ cur_wind.ns_res);
cur_wind.south = cur_wind.north - cur_wind.rows * cur_wind.ns_res;
cur_wind.cols = (int)ceil((cur_wind.east - cur_wind.west)
/ cur_wind.ew_res);
cur_wind.east = cur_wind.west + cur_wind.cols * cur_wind.ew_res;
if (strcmp(G_mapset(), "PERMANENT") == 0) {
G_put_element_window(&cur_wind, "", "DEFAULT_WIND");
G_message(_("Default region for this location updated"));
}
G_put_window(&cur_wind);
G_message(_("Region for the current mapset updated"));
}
void update_default_window(struct Cell_head *cellhd)
{
/* -------------------------------------------------------------------- */
/* Extend current window based on dataset. */
/* -------------------------------------------------------------------- */
struct Cell_head def_wind;
G_get_default_window(&def_wind);
def_wind.north = MAX(def_wind.north, cellhd->north);
def_wind.south = MIN(def_wind.south, cellhd->south);
def_wind.west = MIN(def_wind.west, cellhd->west);
def_wind.east = MAX(def_wind.east, cellhd->east);
def_wind.rows = (int)ceil((def_wind.north - def_wind.south)
/ def_wind.ns_res);
def_wind.south = def_wind.north - def_wind.rows * def_wind.ns_res;
def_wind.cols = (int)ceil((def_wind.east - def_wind.west)
/ def_wind.ew_res);
def_wind.east = def_wind.west + def_wind.cols * def_wind.ew_res;
G__put_window(&def_wind, "../PERMANENT", "DEFAULT_WIND");
}
/* Zoom - default region */
int zoom_default(void)
{
struct Cell_head defwin;
G_debug(2, "zoom_default()");
driver_open();
G_get_default_window(&defwin);
G_put_window(&defwin);
G_set_window(&defwin);
display_redraw();
driver_close();
G_debug(3, "zoom_default(): End");
return 1;
}
QgsCoordinateReferenceSystem GRASS_EXPORT QgsGrass::crsDirect( QString gisdbase, QString location )
{
QString Wkt;
struct Cell_head cellhd;
QgsGrass::resetError();
QgsGrass::setLocation( gisdbase, location );
const char *oldlocale = setlocale( LC_NUMERIC, NULL );
setlocale( LC_NUMERIC, "C" );
try
{
G_get_default_window( &cellhd );
}
catch ( QgsGrass::Exception &e )
{
Q_UNUSED( e );
setlocale( LC_NUMERIC, oldlocale );
QgsDebugMsg( QString( "Cannot get default window: %1" ).arg( e.what() ) );
return QgsCoordinateReferenceSystem();
}
if ( cellhd.proj != PROJECTION_XY )
{
struct Key_Value *projinfo = G_get_projinfo();
struct Key_Value *projunits = G_get_projunits();
char *wkt = GPJ_grass_to_wkt( projinfo, projunits, 0, 0 );
Wkt = QString( wkt );
G_free( wkt );
}
setlocale( LC_NUMERIC, oldlocale );
QgsCoordinateReferenceSystem srs;
srs.createFromWkt( Wkt );
return srs;
}
int G__make_mapset(const char *gisdbase_name, const char *location_name,
const char *mapset_name)
{
char path[GPATH_MAX];
struct Cell_head default_window;
/* Get location */
if (location_name == NULL)
location_name = G_location();
/* Get GISDBASE */
if (gisdbase_name == NULL)
gisdbase_name = G_gisdbase();
/* TODO: Should probably check that user specified location and gisdbase are valid */
/* Make the mapset. */
sprintf(path, "%s/%s/%s", gisdbase_name, location_name, mapset_name);
if (G_mkdir(path) != 0)
return -1;
G__create_alt_env();
/* Get PERMANENT default window */
G__setenv("GISDBASE", gisdbase_name);
G__setenv("LOCATION", location_name);
G__setenv("MAPSET", "PERMANENT");
G_get_default_window(&default_window);
/* Change to the new mapset */
G__setenv("MAPSET", mapset_name);
/* Copy default window/regions to new mapset */
G__put_window(&default_window, "", "WIND");
/* And switch back to original environment */
G__switch_env();
return 0;
}
void modify_projinfo()
{
const char *mapset = G_mapset();
struct Cell_head old_cellhd;
if (strcmp(mapset, "PERMANENT") != 0)
G_fatal_error(_("You must select the PERMANENT mapset before updating the "
"current location's projection (current mapset is <%s>)."),
mapset);
/* Read projection information from current location first */
G_get_default_window(&old_cellhd);
char path[GPATH_MAX];
/* Write out the PROJ_INFO, and PROJ_UNITS if available. */
if (projinfo != NULL) {
G_file_name(path, "", "PROJ_INFO", "PERMANENT");
G_write_key_value_file(path, projinfo);
}
if (projunits != NULL) {
G_file_name(path, "", "PROJ_UNITS", "PERMANENT");
G_write_key_value_file(path, projunits);
}
if ((old_cellhd.zone != cellhd.zone) ||
(old_cellhd.proj != cellhd.proj)) {
/* Recreate the default, and current window files if projection
* number or zone have changed */
G__put_window(&cellhd, "", "DEFAULT_WIND");
G__put_window(&cellhd, "", "WIND");
G_message(_("Default region was updated to the new projection, but if you have "
"multiple mapsets `g.region -d` should be run in each to update the "
"region from the default"));
}
G_important_message(_("Projection information updated"));
}
int main(int argc, char *argv[])
{
struct GModule *module;
struct _param {
struct Option *dsn, *out, *layer, *spat, *where,
*min_area;
struct Option *snap, *type, *outloc, *cnames;
} param;
struct _flag {
struct Flag *list, *tlist, *no_clean, *z, *notab,
*region;
struct Flag *over, *extend, *formats, *tolower, *no_import;
} flag;
int i, j, layer, arg_s_num, nogeom, ncnames;
float xmin, ymin, xmax, ymax;
int ncols = 0, type;
double min_area, snap;
char buf[2000], namebuf[2000], tempvect[GNAME_MAX];
char *separator;
struct Key_Value *loc_proj_info, *loc_proj_units;
struct Key_Value *proj_info, *proj_units;
struct Cell_head cellhd, loc_wind, cur_wind;
char error_msg[8192];
/* Vector */
struct Map_info Map, Tmp, *Out;
int cat;
/* Attributes */
struct field_info *Fi;
dbDriver *driver;
dbString sql, strval;
int dim, with_z;
/* OGR */
OGRDataSourceH Ogr_ds;
OGRLayerH Ogr_layer;
OGRFieldDefnH Ogr_field;
char *Ogr_fieldname;
OGRFieldType Ogr_ftype;
OGRFeatureH Ogr_feature;
OGRFeatureDefnH Ogr_featuredefn;
OGRGeometryH Ogr_geometry, Ogr_oRing, poSpatialFilter;
OGRSpatialReferenceH Ogr_projection;
OGREnvelope oExt;
OGRwkbGeometryType Ogr_geom_type;
int OFTIntegerListlength;
char *output;
char **layer_names; /* names of layers to be imported */
int *layers; /* layer indexes */
int nlayers; /* number of layers to import */
char **available_layer_names; /* names of layers to be imported */
int navailable_layers;
int layer_id;
unsigned int n_features, feature_count;
int overwrite;
double area_size;
int use_tmp_vect;
xmin = ymin = xmax = ymax = 0.0;
loc_proj_info = loc_proj_units = NULL;
Ogr_ds = Ogr_oRing = poSpatialFilter = NULL;
OFTIntegerListlength = 40; /* hack due to limitation in OGR */
area_size = 0.0;
use_tmp_vect = FALSE;
G_gisinit(argv[0]);
module = G_define_module();
G_add_keyword(_("vector"));
G_add_keyword(_("import"));
module->description = _("Converts vector data into a GRASS vector map using OGR library.");
param.dsn = G_define_option();
param.dsn->key = "dsn";
param.dsn->type = TYPE_STRING;
param.dsn->required =YES;
param.dsn->label = _("OGR datasource name");
param.dsn->description = _("Examples:\n"
"\t\tESRI Shapefile: directory containing shapefiles\n"
"\t\tMapInfo File: directory containing mapinfo files");
param.layer = G_define_option();
param.layer->key = "layer";
param.layer->type = TYPE_STRING;
param.layer->required = NO;
param.layer->multiple = YES;
param.layer->label =
_("OGR layer name. If not given, all available layers are imported");
param.layer->description =
_("Examples:\n" "\t\tESRI Shapefile: shapefile name\n"
"\t\tMapInfo File: mapinfo file name");
param.layer->guisection = _("Selection");
param.out = G_define_standard_option(G_OPT_V_OUTPUT);
param.out->required = NO;
param.out->guisection = _("Output");
param.spat = G_define_option();
param.spat->key = "spatial";
param.spat->type = TYPE_DOUBLE;
param.spat->multiple = YES;
param.spat->required = NO;
param.spat->key_desc = "xmin,ymin,xmax,ymax";
param.spat->label = _("Import subregion only");
param.spat->guisection = _("Selection");
param.spat->description =
_("Format: xmin,ymin,xmax,ymax - usually W,S,E,N");
param.where = G_define_standard_option(G_OPT_DB_WHERE);
param.where->guisection = _("Selection");
param.min_area = G_define_option();
param.min_area->key = "min_area";
param.min_area->type = TYPE_DOUBLE;
param.min_area->required = NO;
param.min_area->answer = "0.0001";
param.min_area->label =
_("Minimum size of area to be imported (square units)");
param.min_area->guisection = _("Selection");
param.min_area->description = _("Smaller areas and "
"islands are ignored. Should be greater than snap^2");
param.type = G_define_standard_option(G_OPT_V_TYPE);
param.type->options = "point,line,boundary,centroid";
param.type->answer = "";
param.type->description = _("Optionally change default input type");
param.type->descriptions =
_("point;import area centroids as points;"
"line;import area boundaries as lines;"
"boundary;import lines as area boundaries;"
"centroid;import points as centroids");
param.type->guisection = _("Selection");
param.snap = G_define_option();
param.snap->key = "snap";
param.snap->type = TYPE_DOUBLE;
param.snap->required = NO;
param.snap->answer = "-1";
param.snap->label = _("Snapping threshold for boundaries");
param.snap->description = _("'-1' for no snap");
param.outloc = G_define_option();
param.outloc->key = "location";
param.outloc->type = TYPE_STRING;
param.outloc->required = NO;
param.outloc->description = _("Name for new location to create");
param.outloc->key_desc = "name";
param.cnames = G_define_option();
param.cnames->key = "cnames";
param.cnames->type = TYPE_STRING;
param.cnames->required = NO;
param.cnames->multiple = YES;
param.cnames->description =
_("List of column names to be used instead of original names, "
"first is used for category column");
param.cnames->guisection = _("Attributes");
flag.list = G_define_flag();
flag.list->key = 'l';
flag.list->description = _("List available OGR layers in data source and exit");
flag.list->suppress_required = YES;
flag.list->guisection = _("Print");
flag.tlist = G_define_flag();
flag.tlist->key = 'a';
flag.tlist->description = _("List available OGR layers including feature types "
"in data source and exit");
flag.tlist->suppress_required = YES;
flag.tlist->guisection = _("Print");
flag.formats = G_define_flag();
flag.formats->key = 'f';
flag.formats->description = _("List supported formats and exit");
flag.formats->suppress_required = YES;
flag.formats->guisection = _("Print");
/* if using -c, you lose topological information ! */
flag.no_clean = G_define_flag();
flag.no_clean->key = 'c';
flag.no_clean->description = _("Do not clean polygons (not recommended)");
flag.no_clean->guisection = _("Output");
flag.z = G_define_flag();
flag.z->key = 'z';
flag.z->description = _("Create 3D output");
flag.z->guisection = _("Output");
flag.notab = G_define_flag();
flag.notab->key = 't';
flag.notab->description = _("Do not create attribute table");
flag.notab->guisection = _("Attributes");
flag.over = G_define_flag();
flag.over->key = 'o';
flag.over->description =
_("Override dataset projection (use location's projection)");
flag.region = G_define_flag();
flag.region->key = 'r';
flag.region->guisection = _("Selection");
flag.region->description = _("Limit import to the current region");
flag.extend = G_define_flag();
flag.extend->key = 'e';
flag.extend->description =
_("Extend location extents based on new dataset");
flag.tolower = G_define_flag();
flag.tolower->key = 'w';
flag.tolower->description =
_("Change column names to lowercase characters");
flag.tolower->guisection = _("Attributes");
flag.no_import = G_define_flag();
flag.no_import->key = 'i';
flag.no_import->description =
_("Create the location specified by the \"location\" parameter and exit."
" Do not import the vector data.");
/* The parser checks if the map already exists in current mapset, this is
* wrong if location options is used, so we switch out the check and do it
* in the module after the parser */
overwrite = G_check_overwrite(argc, argv);
if (G_parser(argc, argv))
exit(EXIT_FAILURE);
G_begin_polygon_area_calculations(); /* Used in geom() */
OGRRegisterAll();
/* list supported formats */
if (flag.formats->answer) {
int iDriver;
G_message(_("Available OGR Drivers:"));
for (iDriver = 0; iDriver < OGRGetDriverCount(); iDriver++) {
OGRSFDriverH poDriver = OGRGetDriver(iDriver);
const char *pszRWFlag;
if (OGR_Dr_TestCapability(poDriver, ODrCCreateDataSource))
pszRWFlag = "rw";
else
pszRWFlag = "ro";
fprintf(stdout, " %s (%s): %s\n",
OGR_Dr_GetName(poDriver),
pszRWFlag, OGR_Dr_GetName(poDriver));
}
exit(EXIT_SUCCESS);
}
if (param.dsn->answer == NULL) {
G_fatal_error(_("Required parameter <%s> not set"), param.dsn->key);
}
min_area = atof(param.min_area->answer);
snap = atof(param.snap->answer);
type = Vect_option_to_types(param.type);
ncnames = 0;
if (param.cnames->answers) {
i = 0;
while (param.cnames->answers[i++]) {
ncnames++;
}
}
/* Open OGR DSN */
Ogr_ds = NULL;
if (strlen(param.dsn->answer) > 0)
Ogr_ds = OGROpen(param.dsn->answer, FALSE, NULL);
if (Ogr_ds == NULL)
G_fatal_error(_("Unable to open data source <%s>"), param.dsn->answer);
/* Make a list of available layers */
navailable_layers = OGR_DS_GetLayerCount(Ogr_ds);
available_layer_names =
(char **)G_malloc(navailable_layers * sizeof(char *));
if (flag.list->answer || flag.tlist->answer)
G_message(_("Data source <%s> (format '%s') contains %d layers:"),
param.dsn->answer,
OGR_Dr_GetName(OGR_DS_GetDriver(Ogr_ds)), navailable_layers);
for (i = 0; i < navailable_layers; i++) {
Ogr_layer = OGR_DS_GetLayer(Ogr_ds, i);
Ogr_featuredefn = OGR_L_GetLayerDefn(Ogr_layer);
Ogr_geom_type = OGR_FD_GetGeomType(Ogr_featuredefn);
available_layer_names[i] =
G_store((char *)OGR_FD_GetName(Ogr_featuredefn));
if (flag.tlist->answer)
fprintf(stdout, "%s (%s)\n", available_layer_names[i],
OGRGeometryTypeToName(Ogr_geom_type));
else if (flag.list->answer)
fprintf(stdout, "%s\n", available_layer_names[i]);
}
if (flag.list->answer || flag.tlist->answer) {
fflush(stdout);
exit(EXIT_SUCCESS);
}
/* Make a list of layers to be imported */
if (param.layer->answer) { /* From option */
nlayers = 0;
while (param.layer->answers[nlayers])
nlayers++;
layer_names = (char **)G_malloc(nlayers * sizeof(char *));
layers = (int *)G_malloc(nlayers * sizeof(int));
for (i = 0; i < nlayers; i++) {
layer_names[i] = G_store(param.layer->answers[i]);
/* Find it in the source */
layers[i] = -1;
for (j = 0; j < navailable_layers; j++) {
if (strcmp(available_layer_names[j], layer_names[i]) == 0) {
layers[i] = j;
break;
}
}
if (layers[i] == -1)
G_fatal_error(_("Layer <%s> not available"), layer_names[i]);
}
}
else { /* use list of all layers */
nlayers = navailable_layers;
layer_names = available_layer_names;
layers = (int *)G_malloc(nlayers * sizeof(int));
for (i = 0; i < nlayers; i++)
layers[i] = i;
}
if (param.out->answer) {
output = G_store(param.out->answer);
}
else {
if (nlayers < 1)
G_fatal_error(_("No OGR layers available"));
output = G_store(layer_names[0]);
G_message(_("All available OGR layers will be imported into vector map <%s>"), output);
}
if (!param.outloc->answer) { /* Check if the map exists */
if (G_find_vector2(output, G_mapset()) && !overwrite)
G_fatal_error(_("Vector map <%s> already exists"),
output);
}
/* Get first imported layer to use for extents and projection check */
Ogr_layer = OGR_DS_GetLayer(Ogr_ds, layers[0]);
if (flag.region->answer) {
if (param.spat->answer)
G_fatal_error(_("Select either the current region flag or the spatial option, not both"));
G_get_window(&cur_wind);
xmin = cur_wind.west;
xmax = cur_wind.east;
ymin = cur_wind.south;
ymax = cur_wind.north;
}
if (param.spat->answer) {
/* See as reference: gdal/ogr/ogr_capi_test.c */
/* cut out a piece of the map */
/* order: xmin,ymin,xmax,ymax */
arg_s_num = 0;
i = 0;
while (param.spat->answers[i]) {
if (i == 0)
xmin = atof(param.spat->answers[i]);
if (i == 1)
ymin = atof(param.spat->answers[i]);
if (i == 2)
xmax = atof(param.spat->answers[i]);
if (i == 3)
ymax = atof(param.spat->answers[i]);
arg_s_num++;
i++;
}
if (arg_s_num != 4)
G_fatal_error(_("4 parameters required for 'spatial' parameter"));
}
if (param.spat->answer || flag.region->answer) {
G_debug(2, "cut out with boundaries: xmin:%f ymin:%f xmax:%f ymax:%f",
xmin, ymin, xmax, ymax);
/* in theory this could be an irregular polygon */
poSpatialFilter = OGR_G_CreateGeometry(wkbPolygon);
Ogr_oRing = OGR_G_CreateGeometry(wkbLinearRing);
OGR_G_AddPoint(Ogr_oRing, xmin, ymin, 0.0);
OGR_G_AddPoint(Ogr_oRing, xmin, ymax, 0.0);
OGR_G_AddPoint(Ogr_oRing, xmax, ymax, 0.0);
OGR_G_AddPoint(Ogr_oRing, xmax, ymin, 0.0);
OGR_G_AddPoint(Ogr_oRing, xmin, ymin, 0.0);
OGR_G_AddGeometryDirectly(poSpatialFilter, Ogr_oRing);
OGR_L_SetSpatialFilter(Ogr_layer, poSpatialFilter);
}
if (param.where->answer) {
/* select by attribute */
OGR_L_SetAttributeFilter(Ogr_layer, param.where->answer);
}
/* fetch boundaries */
if ((OGR_L_GetExtent(Ogr_layer, &oExt, 1)) == OGRERR_NONE) {
G_get_window(&cellhd);
cellhd.north = oExt.MaxY;
cellhd.south = oExt.MinY;
cellhd.west = oExt.MinX;
cellhd.east = oExt.MaxX;
cellhd.rows = 20; /* TODO - calculate useful values */
cellhd.cols = 20;
cellhd.ns_res = (cellhd.north - cellhd.south) / cellhd.rows;
cellhd.ew_res = (cellhd.east - cellhd.west) / cellhd.cols;
}
else {
cellhd.north = 1.;
cellhd.south = 0.;
cellhd.west = 0.;
cellhd.east = 1.;
cellhd.top = 1.;
cellhd.bottom = 1.;
cellhd.rows = 1;
cellhd.rows3 = 1;
cellhd.cols = 1;
cellhd.cols3 = 1;
cellhd.depths = 1;
cellhd.ns_res = 1.;
cellhd.ns_res3 = 1.;
cellhd.ew_res = 1.;
cellhd.ew_res3 = 1.;
cellhd.tb_res = 1.;
}
/* suppress boundary splitting ? */
if (flag.no_clean->answer) {
split_distance = -1.;
}
else {
split_distance = 0.;
area_size =
sqrt((cellhd.east - cellhd.west) * (cellhd.north - cellhd.south));
}
/* Fetch input map projection in GRASS form. */
proj_info = NULL;
proj_units = NULL;
Ogr_projection = OGR_L_GetSpatialRef(Ogr_layer); /* should not be freed later */
/* Do we need to create a new location? */
if (param.outloc->answer != NULL) {
/* Convert projection information non-interactively as we can't
* assume the user has a terminal open */
if (GPJ_osr_to_grass(&cellhd, &proj_info,
&proj_units, Ogr_projection, 0) < 0) {
G_fatal_error(_("Unable to convert input map projection to GRASS "
"format; cannot create new location."));
}
else {
G_make_location(param.outloc->answer, &cellhd,
proj_info, proj_units, NULL);
G_message(_("Location <%s> created"), param.outloc->answer);
}
/* If the i flag is set, clean up? and exit here */
if(flag.no_import->answer)
{
exit(EXIT_SUCCESS);
}
}
else {
int err = 0;
/* Projection only required for checking so convert non-interactively */
if (GPJ_osr_to_grass(&cellhd, &proj_info,
&proj_units, Ogr_projection, 0) < 0)
G_warning(_("Unable to convert input map projection information to "
"GRASS format for checking"));
/* Does the projection of the current location match the dataset? */
/* G_get_window seems to be unreliable if the location has been changed */
G__get_window(&loc_wind, "", "DEFAULT_WIND", "PERMANENT");
/* fetch LOCATION PROJ info */
if (loc_wind.proj != PROJECTION_XY) {
loc_proj_info = G_get_projinfo();
loc_proj_units = G_get_projunits();
}
if (flag.over->answer) {
cellhd.proj = loc_wind.proj;
cellhd.zone = loc_wind.zone;
G_message(_("Over-riding projection check"));
}
else if (loc_wind.proj != cellhd.proj
|| (err =
G_compare_projections(loc_proj_info, loc_proj_units,
proj_info, proj_units)) != TRUE) {
int i_value;
strcpy(error_msg,
_("Projection of dataset does not"
" appear to match current location.\n\n"));
/* TODO: output this info sorted by key: */
if (loc_wind.proj != cellhd.proj || err != -2) {
if (loc_proj_info != NULL) {
strcat(error_msg, _("GRASS LOCATION PROJ_INFO is:\n"));
for (i_value = 0; i_value < loc_proj_info->nitems;
i_value++)
sprintf(error_msg + strlen(error_msg), "%s: %s\n",
loc_proj_info->key[i_value],
loc_proj_info->value[i_value]);
strcat(error_msg, "\n");
}
if (proj_info != NULL) {
strcat(error_msg, _("Import dataset PROJ_INFO is:\n"));
for (i_value = 0; i_value < proj_info->nitems; i_value++)
sprintf(error_msg + strlen(error_msg), "%s: %s\n",
proj_info->key[i_value],
proj_info->value[i_value]);
}
else {
strcat(error_msg, _("Import dataset PROJ_INFO is:\n"));
if (cellhd.proj == PROJECTION_XY)
sprintf(error_msg + strlen(error_msg),
"Dataset proj = %d (unreferenced/unknown)\n",
cellhd.proj);
else if (cellhd.proj == PROJECTION_LL)
sprintf(error_msg + strlen(error_msg),
"Dataset proj = %d (lat/long)\n",
cellhd.proj);
else if (cellhd.proj == PROJECTION_UTM)
sprintf(error_msg + strlen(error_msg),
"Dataset proj = %d (UTM), zone = %d\n",
cellhd.proj, cellhd.zone);
else if (cellhd.proj == PROJECTION_SP)
sprintf(error_msg + strlen(error_msg),
"Dataset proj = %d (State Plane), zone = %d\n",
cellhd.proj, cellhd.zone);
else
sprintf(error_msg + strlen(error_msg),
"Dataset proj = %d (unknown), zone = %d\n",
cellhd.proj, cellhd.zone);
}
}
else {
if (loc_proj_units != NULL) {
strcat(error_msg, "GRASS LOCATION PROJ_UNITS is:\n");
for (i_value = 0; i_value < loc_proj_units->nitems;
i_value++)
sprintf(error_msg + strlen(error_msg), "%s: %s\n",
loc_proj_units->key[i_value],
loc_proj_units->value[i_value]);
strcat(error_msg, "\n");
}
if (proj_units != NULL) {
strcat(error_msg, "Import dataset PROJ_UNITS is:\n");
for (i_value = 0; i_value < proj_units->nitems; i_value++)
sprintf(error_msg + strlen(error_msg), "%s: %s\n",
proj_units->key[i_value],
proj_units->value[i_value]);
}
}
sprintf(error_msg + strlen(error_msg),
_("\nYou can use the -o flag to %s to override this projection check.\n"),
G_program_name());
strcat(error_msg,
_("Consider generating a new location with 'location' parameter"
" from input data set.\n"));
G_fatal_error(error_msg);
}
else {
G_message(_("Projection of input dataset and current location "
"appear to match"));
}
}
db_init_string(&sql);
db_init_string(&strval);
/* open output vector */
/* strip any @mapset from vector output name */
G_find_vector(output, G_mapset());
Vect_open_new(&Map, output, flag.z->answer != 0);
Out = ⤅
n_polygon_boundaries = 0;
if (!flag.no_clean->answer) {
/* check if we need a tmp vector */
/* estimate distance for boundary splitting --> */
for (layer = 0; layer < nlayers; layer++) {
layer_id = layers[layer];
Ogr_layer = OGR_DS_GetLayer(Ogr_ds, layer_id);
Ogr_featuredefn = OGR_L_GetLayerDefn(Ogr_layer);
n_features = feature_count = 0;
n_features = OGR_L_GetFeatureCount(Ogr_layer, 1);
OGR_L_ResetReading(Ogr_layer);
/* count polygons and isles */
G_message(_("Counting polygons for %d features (OGR layer <%s>)..."),
n_features, layer_names[layer]);
while ((Ogr_feature = OGR_L_GetNextFeature(Ogr_layer)) != NULL) {
G_percent(feature_count++, n_features, 1); /* show something happens */
/* Geometry */
Ogr_geometry = OGR_F_GetGeometryRef(Ogr_feature);
if (Ogr_geometry != NULL) {
poly_count(Ogr_geometry, (type & GV_BOUNDARY));
}
OGR_F_Destroy(Ogr_feature);
}
}
G_debug(1, "n polygon boundaries: %d", n_polygon_boundaries);
if (n_polygon_boundaries > 50) {
split_distance =
area_size / log(n_polygon_boundaries);
/* divisor is the handle: increase divisor to decrease split_distance */
split_distance = split_distance / 5.;
G_debug(1, "root of area size: %f", area_size);
G_verbose_message(_("Boundary splitting distance in map units: %G"),
split_distance);
}
/* <-- estimate distance for boundary splitting */
use_tmp_vect = n_polygon_boundaries > 0;
if (use_tmp_vect) {
/* open temporary vector, do the work in the temporary vector
* at the end copy alive lines to output vector
* in case of polygons this reduces the coor file size by a factor of 2 to 5
* only needed when cleaning polygons */
sprintf(tempvect, "%s_tmp", output);
G_verbose_message(_("Using temporary vector <%s>"), tempvect);
Vect_open_new(&Tmp, tempvect, flag.z->answer != 0);
Out = &Tmp;
}
}
Vect_hist_command(&Map);
/* Points and lines are written immediately with categories. Boundaries of polygons are
* written to the vector then cleaned and centroids are calculated for all areas in cleaan vector.
* Then second pass through finds all centroids in each polygon feature and adds its category
* to the centroid. The result is that one centroids may have 0, 1 ore more categories
* of one ore more (more input layers) fields. */
with_z = 0;
for (layer = 0; layer < nlayers; layer++) {
layer_id = layers[layer];
Ogr_layer = OGR_DS_GetLayer(Ogr_ds, layer_id);
Ogr_featuredefn = OGR_L_GetLayerDefn(Ogr_layer);
/* Add DB link */
if (!flag.notab->answer) {
char *cat_col_name = GV_KEY_COLUMN;
if (nlayers == 1) { /* one layer only */
Fi = Vect_default_field_info(&Map, layer + 1, NULL,
GV_1TABLE);
}
else {
Fi = Vect_default_field_info(&Map, layer + 1, NULL,
GV_MTABLE);
}
if (ncnames > 0) {
cat_col_name = param.cnames->answers[0];
}
Vect_map_add_dblink(&Map, layer + 1, layer_names[layer], Fi->table,
cat_col_name, Fi->database, Fi->driver);
ncols = OGR_FD_GetFieldCount(Ogr_featuredefn);
G_debug(2, "%d columns", ncols);
/* Create table */
sprintf(buf, "create table %s (%s integer", Fi->table,
cat_col_name);
db_set_string(&sql, buf);
for (i = 0; i < ncols; i++) {
Ogr_field = OGR_FD_GetFieldDefn(Ogr_featuredefn, i);
Ogr_ftype = OGR_Fld_GetType(Ogr_field);
G_debug(3, "Ogr_ftype: %i", Ogr_ftype); /* look up below */
if (i < ncnames - 1) {
Ogr_fieldname = G_store(param.cnames->answers[i + 1]);
}
else {
/* Change column names to [A-Za-z][A-Za-z0-9_]* */
Ogr_fieldname = G_store(OGR_Fld_GetNameRef(Ogr_field));
G_debug(3, "Ogr_fieldname: '%s'", Ogr_fieldname);
G_str_to_sql(Ogr_fieldname);
G_debug(3, "Ogr_fieldname: '%s'", Ogr_fieldname);
}
/* avoid that we get the 'cat' column twice */
if (strcmp(Ogr_fieldname, GV_KEY_COLUMN) == 0) {
sprintf(namebuf, "%s_", Ogr_fieldname);
Ogr_fieldname = G_store(namebuf);
}
/* captial column names are a pain in SQL */
if (flag.tolower->answer)
G_str_to_lower(Ogr_fieldname);
if (strcmp(OGR_Fld_GetNameRef(Ogr_field), Ogr_fieldname) != 0) {
G_warning(_("Column name changed: '%s' -> '%s'"),
OGR_Fld_GetNameRef(Ogr_field), Ogr_fieldname);
}
/** Simple 32bit integer OFTInteger = 0 **/
/** List of 32bit integers OFTIntegerList = 1 **/
/** Double Precision floating point OFTReal = 2 **/
/** List of doubles OFTRealList = 3 **/
/** String of ASCII chars OFTString = 4 **/
/** Array of strings OFTStringList = 5 **/
/** Double byte string (unsupported) OFTWideString = 6 **/
/** List of wide strings (unsupported) OFTWideStringList = 7 **/
/** Raw Binary data (unsupported) OFTBinary = 8 **/
/** OFTDate = 9 **/
/** OFTTime = 10 **/
/** OFTDateTime = 11 **/
if (Ogr_ftype == OFTInteger) {
sprintf(buf, ", %s integer", Ogr_fieldname);
}
else if (Ogr_ftype == OFTIntegerList) {
/* hack: treat as string */
sprintf(buf, ", %s varchar ( %d )", Ogr_fieldname,
OFTIntegerListlength);
G_warning(_("Writing column <%s> with fixed length %d chars (may be truncated)"),
Ogr_fieldname, OFTIntegerListlength);
}
else if (Ogr_ftype == OFTReal) {
sprintf(buf, ", %s double precision", Ogr_fieldname);
#if GDAL_VERSION_NUM >= 1320
}
else if (Ogr_ftype == OFTDate) {
sprintf(buf, ", %s date", Ogr_fieldname);
}
else if (Ogr_ftype == OFTTime) {
sprintf(buf, ", %s time", Ogr_fieldname);
}
else if (Ogr_ftype == OFTDateTime) {
sprintf(buf, ", %s datetime", Ogr_fieldname);
#endif
}
else if (Ogr_ftype == OFTString) {
int fwidth;
fwidth = OGR_Fld_GetWidth(Ogr_field);
/* TODO: read all records first and find the longest string length */
if (fwidth == 0) {
G_warning(_("Width for column %s set to 255 (was not specified by OGR), "
"some strings may be truncated!"),
Ogr_fieldname);
fwidth = 255;
}
sprintf(buf, ", %s varchar ( %d )", Ogr_fieldname,
fwidth);
}
else if (Ogr_ftype == OFTStringList) {
/* hack: treat as string */
sprintf(buf, ", %s varchar ( %d )", Ogr_fieldname,
OFTIntegerListlength);
G_warning(_("Writing column %s with fixed length %d chars (may be truncated)"),
Ogr_fieldname, OFTIntegerListlength);
}
else {
G_warning(_("Column type not supported (%s)"),
Ogr_fieldname);
buf[0] = 0;
}
db_append_string(&sql, buf);
G_free(Ogr_fieldname);
}
db_append_string(&sql, ")");
G_debug(3, db_get_string(&sql));
driver =
db_start_driver_open_database(Fi->driver,
Vect_subst_var(Fi->database,
&Map));
if (driver == NULL) {
G_fatal_error(_("Unable open database <%s> by driver <%s>"),
Vect_subst_var(Fi->database, &Map), Fi->driver);
}
if (db_execute_immediate(driver, &sql) != DB_OK) {
db_close_database(driver);
db_shutdown_driver(driver);
G_fatal_error(_("Unable to create table: '%s'"),
db_get_string(&sql));
}
if (db_create_index2(driver, Fi->table, cat_col_name) != DB_OK)
G_warning(_("Unable to create index for table <%s>, key <%s>"),
Fi->table, cat_col_name);
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_begin_transaction(driver);
}
/* Import feature */
cat = 1;
nogeom = 0;
OGR_L_ResetReading(Ogr_layer);
n_features = feature_count = 0;
n_features = OGR_L_GetFeatureCount(Ogr_layer, 1);
G_important_message(_("Importing %d features (OGR layer <%s>)..."),
n_features, layer_names[layer]);
while ((Ogr_feature = OGR_L_GetNextFeature(Ogr_layer)) != NULL) {
G_percent(feature_count++, n_features, 1); /* show something happens */
/* Geometry */
Ogr_geometry = OGR_F_GetGeometryRef(Ogr_feature);
if (Ogr_geometry == NULL) {
nogeom++;
}
else {
dim = OGR_G_GetCoordinateDimension(Ogr_geometry);
if (dim > 2)
with_z = 1;
geom(Ogr_geometry, Out, layer + 1, cat, min_area, type,
flag.no_clean->answer);
}
/* Attributes */
if (!flag.notab->answer) {
sprintf(buf, "insert into %s values ( %d", Fi->table, cat);
db_set_string(&sql, buf);
for (i = 0; i < ncols; i++) {
Ogr_field = OGR_FD_GetFieldDefn(Ogr_featuredefn, i);
Ogr_ftype = OGR_Fld_GetType(Ogr_field);
if (OGR_F_IsFieldSet(Ogr_feature, i)) {
if (Ogr_ftype == OFTInteger || Ogr_ftype == OFTReal) {
sprintf(buf, ", %s",
OGR_F_GetFieldAsString(Ogr_feature, i));
#if GDAL_VERSION_NUM >= 1320
/* should we use OGR_F_GetFieldAsDateTime() here ? */
}
else if (Ogr_ftype == OFTDate || Ogr_ftype == OFTTime
|| Ogr_ftype == OFTDateTime) {
char *newbuf;
db_set_string(&strval, (char *)
OGR_F_GetFieldAsString(Ogr_feature,
i));
db_double_quote_string(&strval);
sprintf(buf, ", '%s'", db_get_string(&strval));
newbuf = G_str_replace(buf, "/", "-"); /* fix 2001/10/21 to 2001-10-21 */
sprintf(buf, "%s", newbuf);
#endif
}
else if (Ogr_ftype == OFTString ||
Ogr_ftype == OFTIntegerList) {
db_set_string(&strval, (char *)
OGR_F_GetFieldAsString(Ogr_feature,
i));
db_double_quote_string(&strval);
sprintf(buf, ", '%s'", db_get_string(&strval));
}
}
else {
/* G_warning (_("Column value not set" )); */
if (Ogr_ftype == OFTInteger || Ogr_ftype == OFTReal) {
sprintf(buf, ", NULL");
#if GDAL_VERSION_NUM >= 1320
}
else if (Ogr_ftype == OFTString ||
Ogr_ftype == OFTIntegerList ||
Ogr_ftype == OFTDate) {
#else
}
else if (Ogr_ftype == OFTString ||
Ogr_ftype == OFTIntegerList) {
#endif
sprintf(buf, ", ''");
}
}
db_append_string(&sql, buf);
}
db_append_string(&sql, " )");
G_debug(3, db_get_string(&sql));
if (db_execute_immediate(driver, &sql) != DB_OK) {
db_close_database(driver);
db_shutdown_driver(driver);
G_fatal_error(_("Cannot insert new row: %s"),
db_get_string(&sql));
}
}
OGR_F_Destroy(Ogr_feature);
cat++;
}
G_percent(1, 1, 1); /* finish it */
if (!flag.notab->answer) {
db_commit_transaction(driver);
db_close_database_shutdown_driver(driver);
}
if (nogeom > 0)
G_warning(_("%d %s without geometry"), nogeom,
nogeom == 1 ? "feature" : "features");
}
separator = "-----------------------------------------------------";
G_message("%s", separator);
if (use_tmp_vect) {
/* TODO: is it necessary to build here? probably not, consumes time */
/* GV_BUILD_BASE is sufficient to toggle boundary cleaning */
Vect_build_partial(&Tmp, GV_BUILD_BASE);
}
if (use_tmp_vect && !flag.no_clean->answer &&
Vect_get_num_primitives(Out, GV_BOUNDARY) > 0) {
int ret, centr, ncentr, otype, n_overlaps, n_nocat;
CENTR *Centr;
struct spatial_index si;
double x, y, total_area, overlap_area, nocat_area;
struct bound_box box;
struct line_pnts *Points;
int nmodif;
Points = Vect_new_line_struct();
G_message("%s", separator);
G_warning(_("Cleaning polygons, result is not guaranteed!"));
if (snap >= 0) {
G_message("%s", separator);
G_message(_("Snapping boundaries (threshold = %.3e)..."), snap);
Vect_snap_lines(&Tmp, GV_BOUNDARY, snap, NULL);
}
/* It is not to clean to snap centroids, but I have seen data with 2 duplicate polygons
* (as far as decimal places were printed) and centroids were not identical */
/* Disabled, because overlapping polygons result in many duplicate centroids anyway */
/*
fprintf ( stderr, separator );
fprintf ( stderr, "Snap centroids (threshold 0.000001):\n" );
Vect_snap_lines ( &Map, GV_CENTROID, 0.000001, NULL, stderr );
*/
G_message("%s", separator);
G_message(_("Breaking polygons..."));
Vect_break_polygons(&Tmp, GV_BOUNDARY, NULL);
/* It is important to remove also duplicate centroids in case of duplicate input polygons */
G_message("%s", separator);
G_message(_("Removing duplicates..."));
Vect_remove_duplicates(&Tmp, GV_BOUNDARY | GV_CENTROID, NULL);
/* in non-pathological cases, the bulk of the cleaning is now done */
/* Vect_clean_small_angles_at_nodes() can change the geometry so that new intersections
* are created. We must call Vect_break_lines(), Vect_remove_duplicates()
* and Vect_clean_small_angles_at_nodes() until no more small angles are found */
do {
G_message("%s", separator);
G_message(_("Breaking boundaries..."));
Vect_break_lines(&Tmp, GV_BOUNDARY, NULL);
G_message("%s", separator);
G_message(_("Removing duplicates..."));
Vect_remove_duplicates(&Tmp, GV_BOUNDARY, NULL);
G_message("%s", separator);
G_message(_("Cleaning boundaries at nodes..."));
nmodif =
Vect_clean_small_angles_at_nodes(&Tmp, GV_BOUNDARY, NULL);
} while (nmodif > 0);
/* merge boundaries */
G_message("%s", separator);
G_message(_("Merging boundaries..."));
Vect_merge_lines(&Tmp, GV_BOUNDARY, NULL, NULL);
G_message("%s", separator);
if (type & GV_BOUNDARY) { /* that means lines were converted to boundaries */
G_message(_("Changing boundary dangles to lines..."));
Vect_chtype_dangles(&Tmp, -1.0, NULL);
}
else {
G_message(_("Removing dangles..."));
Vect_remove_dangles(&Tmp, GV_BOUNDARY, -1.0, NULL);
}
G_message("%s", separator);
if (type & GV_BOUNDARY) {
G_message(_("Changing boundary bridges to lines..."));
Vect_chtype_bridges(&Tmp, NULL);
}
else {
G_message(_("Removing bridges..."));
Vect_remove_bridges(&Tmp, NULL);
}
/* Boundaries are hopefully clean, build areas */
G_message("%s", separator);
Vect_build_partial(&Tmp, GV_BUILD_ATTACH_ISLES);
/* Calculate new centroids for all areas, centroids have the same id as area */
ncentr = Vect_get_num_areas(&Tmp);
G_debug(3, "%d centroids/areas", ncentr);
Centr = (CENTR *) G_calloc(ncentr + 1, sizeof(CENTR));
Vect_spatial_index_init(&si, 0);
for (centr = 1; centr <= ncentr; centr++) {
Centr[centr].valid = 0;
Centr[centr].cats = Vect_new_cats_struct();
ret = Vect_get_point_in_area(&Tmp, centr, &x, &y);
if (ret < 0) {
G_warning(_("Unable to calculate area centroid"));
continue;
}
Centr[centr].x = x;
Centr[centr].y = y;
Centr[centr].valid = 1;
box.N = box.S = y;
box.E = box.W = x;
box.T = box.B = 0;
Vect_spatial_index_add_item(&si, centr, &box);
}
/* Go through all layers and find centroids for each polygon */
for (layer = 0; layer < nlayers; layer++) {
G_message("%s", separator);
G_message(_("Finding centroids for OGR layer <%s>..."), layer_names[layer]);
layer_id = layers[layer];
Ogr_layer = OGR_DS_GetLayer(Ogr_ds, layer_id);
n_features = OGR_L_GetFeatureCount(Ogr_layer, 1);
OGR_L_ResetReading(Ogr_layer);
cat = 0; /* field = layer + 1 */
G_percent(cat, n_features, 2);
while ((Ogr_feature = OGR_L_GetNextFeature(Ogr_layer)) != NULL) {
cat++;
G_percent(cat, n_features, 2);
/* Geometry */
Ogr_geometry = OGR_F_GetGeometryRef(Ogr_feature);
if (Ogr_geometry != NULL) {
centroid(Ogr_geometry, Centr, &si, layer + 1, cat,
min_area, type);
}
OGR_F_Destroy(Ogr_feature);
}
}
/* Write centroids */
G_message("%s", separator);
G_message(_("Writing centroids..."));
n_overlaps = n_nocat = 0;
total_area = overlap_area = nocat_area = 0.0;
for (centr = 1; centr <= ncentr; centr++) {
double area;
G_percent(centr, ncentr, 2);
area = Vect_get_area_area(&Tmp, centr);
total_area += area;
if (!(Centr[centr].valid)) {
continue;
}
if (Centr[centr].cats->n_cats == 0) {
nocat_area += area;
n_nocat++;
continue;
}
if (Centr[centr].cats->n_cats > 1) {
Vect_cat_set(Centr[centr].cats, nlayers + 1,
Centr[centr].cats->n_cats);
overlap_area += area;
n_overlaps++;
}
Vect_reset_line(Points);
Vect_append_point(Points, Centr[centr].x, Centr[centr].y, 0.0);
if (type & GV_POINT)
otype = GV_POINT;
else
otype = GV_CENTROID;
Vect_write_line(&Tmp, otype, Points, Centr[centr].cats);
}
if (Centr)
G_free(Centr);
Vect_spatial_index_destroy(&si);
if (n_overlaps > 0) {
G_warning(_("%d areas represent more (overlapping) features, because polygons overlap "
"in input layer(s). Such areas are linked to more than 1 row in attribute table. "
"The number of features for those areas is stored as category in layer %d"),
n_overlaps, nlayers + 1);
}
G_message("%s", separator);
Vect_hist_write(&Map, separator);
Vect_hist_write(&Map, "\n");
sprintf(buf, _("%d input polygons\n"), n_polygons);
G_message(_("%d input polygons"), n_polygons);
Vect_hist_write(&Map, buf);
sprintf(buf, _("Total area: %G (%d areas)\n"), total_area, ncentr);
G_message(_("Total area: %G (%d areas)"), total_area, ncentr);
Vect_hist_write(&Map, buf);
sprintf(buf, _("Overlapping area: %G (%d areas)\n"), overlap_area,
n_overlaps);
G_message(_("Overlapping area: %G (%d areas)"), overlap_area,
n_overlaps);
Vect_hist_write(&Map, buf);
sprintf(buf, _("Area without category: %G (%d areas)\n"), nocat_area,
n_nocat);
G_message(_("Area without category: %G (%d areas)"), nocat_area,
n_nocat);
Vect_hist_write(&Map, buf);
G_message("%s", separator);
}
/* needed?
* OGR_DS_Destroy( Ogr_ds );
*/
if (use_tmp_vect) {
/* Copy temporary vector to output vector */
Vect_copy_map_lines(&Tmp, &Map);
/* release memory occupied by topo, we may need that memory for main output */
Vect_set_release_support(&Tmp);
Vect_close(&Tmp);
Vect_delete(tempvect);
}
Vect_build(&Map);
Vect_close(&Map);
/* -------------------------------------------------------------------- */
/* Extend current window based on dataset. */
/* -------------------------------------------------------------------- */
if (flag.extend->answer) {
G_get_default_window(&loc_wind);
loc_wind.north = MAX(loc_wind.north, cellhd.north);
loc_wind.south = MIN(loc_wind.south, cellhd.south);
loc_wind.west = MIN(loc_wind.west, cellhd.west);
loc_wind.east = MAX(loc_wind.east, cellhd.east);
loc_wind.rows = (int)ceil((loc_wind.north - loc_wind.south)
/ loc_wind.ns_res);
loc_wind.south = loc_wind.north - loc_wind.rows * loc_wind.ns_res;
loc_wind.cols = (int)ceil((loc_wind.east - loc_wind.west)
/ loc_wind.ew_res);
loc_wind.east = loc_wind.west + loc_wind.cols * loc_wind.ew_res;
G__put_window(&loc_wind, "../PERMANENT", "DEFAULT_WIND");
}
if (with_z && !flag.z->answer)
G_warning(_("Input data contains 3D features. Created vector is 2D only, "
"use -z flag to import 3D vector."));
exit(EXIT_SUCCESS);
}
int main(int argc, char *argv[])
{
struct GModule *module;
int Out_proj;
int out_stat;
int old_zone, old_proj;
int i;
int stat;
char cmnd2[500];
char proj_out[20], proj_name[50], set_name[20];
char path[1024], buffa[1024], buffb[1024], answer[200], answer1[200];
char answer2[200], buff[1024];
char tmp_buff[20], *buf;
struct Key_Value *old_proj_keys, *out_proj_keys, *in_unit_keys;
double aa, e2;
double f;
FILE *FPROJ;
int exist = 0;
char spheroid[100];
int j, k, sph_check;
struct Cell_head cellhd;
char datum[100], dat_ellps[100], dat_params[100];
struct proj_parm *proj_parms;
G_gisinit(argv[0]);
module = G_define_module();
G_add_keyword(_("general"));
G_add_keyword(_("projection"));
module->description =
_("Interactively reset the location's projection settings.");
if (G_parser(argc, argv))
exit(EXIT_FAILURE);
if (strcmp(G_mapset(), "PERMANENT") != 0)
G_fatal_error(_("You must be in the PERMANENT mapset to run g.setproj"));
/***
* no longer necessary, table is a static struct
* init_unit_table();
***/
sprintf(set_name, "PERMANENT");
G_file_name(path, "", PROJECTION_FILE, set_name);
/* get the output projection parameters, if existing */
/* Check for ownership here */
stat = G__mapset_permissions(set_name);
if (stat == 0) {
G_fatal_error(_("PERMANENT: permission denied"));
}
G_get_default_window(&cellhd);
if (-1 == G_set_window(&cellhd))
G_fatal_error(_("Current region cannot be set"));
if (G_get_set_window(&cellhd) == -1)
G_fatal_error(_("Retrieving and setting region failed"));
Out_proj = cellhd.proj;
old_zone = cellhd.zone;
old_proj = cellhd.proj;
if (access(path, 0) == 0) {
exist = 1;
FPROJ = fopen(path, "r");
old_proj_keys = G_fread_key_value(FPROJ);
fclose(FPROJ);
buf = G_find_key_value("name", old_proj_keys);
fprintf(stderr,
"\nWARNING: A projection file already exists for this location\n(Filename '%s')\n",
path);
fprintf(stderr,
"\nThis file contains all the parameters for the location's projection:\n %s\n",
buf);
fprintf(stderr,
"\n Overriding this information implies that the old projection parameters\n"
" were incorrect. If you change the parameters, all existing data will\n"
" be interpreted differently by the projection software.\n%c%c%c",
7, 7, 7);
fprintf(stderr,
" GRASS will not re-project your data automatically.\n\n");
if (!G_yes
(_("Would you still like to change some of the parameters?"),
0)) {
G_message(_("The projection information will not be updated"));
leave(SP_NOCHANGE);
}
}
out_proj_keys = G_create_key_value();
if (exist) {
buf = G_find_key_value("zone", old_proj_keys);
if (buf != NULL)
sscanf(buf, "%d", &zone);
if (zone != old_zone) {
G_warning(_("Zone in default geographic region definition: %d\n"
" is different from zone in PROJ_INFO file: %d"),
old_zone, zone);
old_zone = zone;
}
}
switch (Out_proj) {
case 0: /* No projection/units */
if (!exist) {
/* leap frog over code, and just make sure we remove the file */
G_warning(_("XY-location cannot be projected"));
goto write_file;
break;
}
case PROJECTION_UTM:
if (!exist) {
sprintf(proj_name, "%s", G__projection_name(PROJECTION_UTM));
sprintf(proj_out, "utm");
break;
}
case PROJECTION_SP:
if (!exist) {
sprintf(proj_name, "%s", G__projection_name(PROJECTION_SP));
sprintf(proj_out, "stp");
break;
}
case PROJECTION_LL:
if (!exist) {
sprintf(proj_name, "%s", G__projection_name(PROJECTION_LL));
sprintf(proj_out, "ll");
break;
}
case PROJECTION_OTHER:
if (G_ask_proj_name(proj_out, proj_name) < 0)
leave(SP_NOCHANGE);
if (G_strcasecmp(proj_out, "LL") == 0)
Out_proj = PROJECTION_LL;
else if (G_strcasecmp(proj_out, "UTM") == 0)
Out_proj = PROJECTION_UTM;
else if (G_strcasecmp(proj_out, "STP") == 0)
Out_proj = PROJECTION_SP;
break;
default:
G_fatal_error(_("Unknown projection"));
}
cellhd.proj = Out_proj;
proj_parms = get_proj_parms(proj_out);
if (!proj_parms)
G_fatal_error(_("Projection %s is not specified in the file 'proj-parms.table'"),
proj_out);
G_set_key_value("name", proj_name, out_proj_keys);
sph_check = 0;
if (G_yes
(_("Do you wish to specify a geodetic datum for this location?"),
1)) {
char lbuf[100], lbufa[100];
if (exist &&
(G_get_datumparams_from_projinfo(old_proj_keys, lbuf, lbufa) ==
2)) {
G_strip(lbuf);
if ((i = G_get_datum_by_name(lbuf)) > 0) {
G_message(_("The current datum is %s (%s)"),
G_datum_name(i), G_datum_description(i));
if (G_yes
(_("Do you wish to change the datum (or datum transformation parameters)?"),
0))
sph_check = ask_datum(datum, dat_ellps, dat_params);
else {
sprintf(datum, lbuf);
sprintf(dat_params, lbufa);
sprintf(dat_ellps, G_datum_ellipsoid(i));
sph_check = 1;
G_message(_("The datum information has not been changed"));
}
}
else
sph_check = ask_datum(datum, dat_ellps, dat_params);
}
else
sph_check = ask_datum(datum, dat_ellps, dat_params);
}
if (sph_check > 0) {
char *paramkey, *paramvalue;
/* write out key/value pairs to out_proj_keys */
if (G_strcasecmp(datum, "custom") != 0)
G_set_key_value("datum", datum, out_proj_keys);
/* G_set_key_value("datumparams", dat_params, out_proj_keys); */
paramkey = strtok(dat_params, "=");
paramvalue = dat_params + strlen(paramkey) + 1;
G_set_key_value(paramkey, paramvalue, out_proj_keys);
sprintf(spheroid, "%s", dat_ellps);
}
else {
/***************** GET spheroid **************************/
if (Out_proj != PROJECTION_SP) { /* some projections have
* fixed spheroids */
if (G_strcasecmp(proj_out, "ALSK") == 0 ||
G_strcasecmp(proj_out, "GS48") == 0 ||
G_strcasecmp(proj_out, "GS50") == 0) {
sprintf(spheroid, "%s", "clark66");
G_set_key_value("ellps", spheroid, out_proj_keys);
sph_check = 1;
}
else if (G_strcasecmp(proj_out, "LABRD") == 0 ||
G_strcasecmp(proj_out, "NZMG") == 0) {
sprintf(spheroid, "%s", "international");
G_set_key_value("ellps", spheroid, out_proj_keys);
sph_check = 1;
}
else if (G_strcasecmp(proj_out, "SOMERC") == 0) {
sprintf(spheroid, "%s", "bessel");
G_set_key_value("ellps", spheroid, out_proj_keys);
sph_check = 1;
}
else if (G_strcasecmp(proj_out, "OB_TRAN") == 0) {
/* Hard coded to use "Equidistant Cylincrical"
* until g.setproj has been changed to run
* recurively, to allow input of options for
* a second projection, MHu991010 */
G_set_key_value("o_proj", "eqc", out_proj_keys);
sph_check = 2;
}
else {
if (exist &&
(buf =
G_find_key_value("ellps", old_proj_keys)) != NULL) {
strcpy(spheroid, buf);
G_strip(spheroid);
if (G_get_spheroid_by_name(spheroid, &aa, &e2, &f)) {
/* if legal ellips. exist, ask wether or not to change it */
G_message(_("The current ellipsoid is %s"), spheroid);
if (G_yes
(_("Do you want to change ellipsoid parameter?"),
0))
sph_check = G_ask_ellipse_name(spheroid);
else {
G_message(_("The ellipse information has not been changed"));
sph_check = 1;
}
} /* the val is legal */
else
sph_check = G_ask_ellipse_name(spheroid);
}
else
sph_check = G_ask_ellipse_name(spheroid);
}
}
if (sph_check > 0) {
if (sph_check == 2) { /* ask radius */
if (exist) {
buf = G_find_key_value("a", old_proj_keys);
if ((buf != NULL) && (sscanf(buf, "%lf", &radius) == 1)) {
G_message(_("The radius is currently %f"), radius);
if (G_yes(_("Do you want to change the radius?"), 0))
radius =
prompt_num_double(_("Enter radius for the sphere in meters"),
RADIUS_DEF, 1);
}
}
else
radius =
prompt_num_double(_("Enter radius for the sphere in meters"),
RADIUS_DEF, 1);
} /* end ask radius */
}
}
/*** END get spheroid ***/
/* create the PROJ_INFO & PROJ_UNITS files, if required */
if (G_strcasecmp(proj_out, "LL") == 0) ;
else if (G_strcasecmp(proj_out, "STP") == 0)
get_stp_proj(buffb);
else if (sph_check != 2) {
G_strip(spheroid);
if (G_get_spheroid_by_name(spheroid, &aa, &e2, &f) == 0)
G_fatal_error(_("Invalid input ellipsoid"));
}
write_file:
/*
** NOTE the program will (hopefully) never exit abnormally
** after this point. Thus we know the file will be completely
** written out once it is opened for write
*/
if (exist) {
sprintf(buff, "%s~", path);
G_rename_file(path, buff);
}
if (Out_proj == 0)
goto write_units;
/*
** Include MISC parameters for PROJ_INFO
*/
if (G_strcasecmp(proj_out, "STP") == 0) {
for (i = 0; i < strlen(buffb); i++)
if (buffb[i] == ' ')
buffb[i] = '\t';
sprintf(cmnd2, "%s\t\n", buffb);
for (i = 0; i < strlen(cmnd2); i++) {
j = k = 0;
if (cmnd2[i] == '+') {
while (cmnd2[++i] != '=')
buffa[j++] = cmnd2[i];
buffa[j] = 0;
while (cmnd2[++i] != '\t' && cmnd2[i] != '\n' &&
cmnd2[i] != 0)
buffb[k++] = cmnd2[i];
buffb[k] = 0;
G_set_key_value(buffa, buffb, out_proj_keys);
}
}
}
else if (G_strcasecmp(proj_out, "LL") == 0) {
G_set_key_value("proj", "ll", out_proj_keys);
G_set_key_value("ellps", spheroid, out_proj_keys);
}
else {
if (sph_check != 2) {
G_set_key_value("proj", proj_out, out_proj_keys);
G_set_key_value("ellps", spheroid, out_proj_keys);
sprintf(tmp_buff, "%.10f", aa);
G_set_key_value("a", tmp_buff, out_proj_keys);
sprintf(tmp_buff, "%.10f", e2);
G_set_key_value("es", tmp_buff, out_proj_keys);
sprintf(tmp_buff, "%.10f", f);
G_set_key_value("f", tmp_buff, out_proj_keys);
}
else {
G_set_key_value("proj", proj_out, out_proj_keys);
/* G_set_key_value ("ellps", "sphere", out_proj_keys); */
sprintf(tmp_buff, "%.10f", radius);
G_set_key_value("a", tmp_buff, out_proj_keys);
G_set_key_value("es", "0.0", out_proj_keys);
G_set_key_value("f", "0.0", out_proj_keys);
}
for (i = 0;; i++) {
struct proj_parm *parm = &proj_parms[i];
struct proj_desc *desc;
if (!parm->name)
break;
desc = get_proj_desc(parm->name);
if (!desc)
break;
if (parm->ask) {
if (G_strcasecmp(desc->type, "bool") == 0) {
if (G_yes((char *)desc->desc, 0)) {
G_set_key_value(desc->key, "defined", out_proj_keys);
if (G_strcasecmp(parm->name, "SOUTH") == 0)
cellhd.zone = -abs(cellhd.zone);
}
}
else if (G_strcasecmp(desc->type, "lat") == 0) {
double val;
while (!get_LL_stuff(parm, desc, 1, &val)) ;
sprintf(tmp_buff, "%.10f", val);
G_set_key_value(desc->key, tmp_buff, out_proj_keys);
}
else if (G_strcasecmp(desc->type, "lon") == 0) {
double val;
while (!get_LL_stuff(parm, desc, 0, &val)) ;
sprintf(tmp_buff, "%.10f", val);
G_set_key_value(desc->key, tmp_buff, out_proj_keys);
}
else if (G_strcasecmp(desc->type, "float") == 0) {
double val;
while (!get_double(parm, desc, &val)) ;
sprintf(tmp_buff, "%.10f", val);
G_set_key_value(desc->key, tmp_buff, out_proj_keys);
}
else if (G_strcasecmp(desc->type, "int") == 0) {
int val;
while (!get_int(parm, desc, &val)) ;
sprintf(tmp_buff, "%d", val);
G_set_key_value(desc->key, tmp_buff, out_proj_keys);
}
else if (G_strcasecmp(desc->type, "zone") == 0) {
if ((Out_proj == PROJECTION_UTM) && (old_zone != 0)) {
G_message(_("The UTM zone is now set to %d"),
old_zone);
if (!G_yes
(_("Do you want to change the UTM zone?"), 0)) {
G_message(_("UTM zone information has not been updated"));
zone = old_zone;
break;
}
else {
G_message(_("But if you change zone, all the existing "
"data will be interpreted by projection software. "
"GRASS will not automatically re-project or even "
"change the headers for existing maps."));
if (!G_yes
(_("Would you still like to change the UTM zone?"),
0)) {
zone = old_zone;
break;
}
}
} /* UTM */
while (!get_zone()) ;
sprintf(tmp_buff, "%d", zone);
G_set_key_value("zone", tmp_buff, out_proj_keys);
cellhd.zone = zone;
}
}
else if (parm->def_exists) {
/* don't ask, use the default */
if (G_strcasecmp(desc->type, "float") == 0 ||
G_strcasecmp(desc->type, "lat") == 0 ||
G_strcasecmp(desc->type, "lon") == 0) {
sprintf(tmp_buff, "%.10f", parm->deflt);
G_set_key_value(desc->key, tmp_buff, out_proj_keys);
}
else if (G_strcasecmp(desc->type, "int") == 0) {
sprintf(tmp_buff, "%d", (int)parm->deflt);
G_set_key_value(desc->key, tmp_buff, out_proj_keys);
}
}
} /* for OPTIONS */
}
/* create the PROJ_INFO & PROJ_UNITS files, if required */
G_write_key_value_file(path, out_proj_keys, &out_stat);
if (out_stat != 0) {
G_fatal_error(_("Error writing PROJ_INFO file <%s>"), path);
}
G_free_key_value(out_proj_keys);
if (exist)
G_free_key_value(old_proj_keys);
write_units:
G_file_name(path, "", UNIT_FILE, set_name);
/* if we got this far, the user
** already affirmed to write over old info
** so if units file is here, remove it.
*/
if (access(path, 0) == 0) {
sprintf(buff, "%s~", path);
G_rename_file(path, buff);
}
if (Out_proj == 0)
leave(0);
{
in_unit_keys = G_create_key_value();
switch (Out_proj) {
case PROJECTION_UTM:
G_set_key_value("unit", "meter", in_unit_keys);
G_set_key_value("units", "meters", in_unit_keys);
G_set_key_value("meters", "1.0", in_unit_keys);
break;
case PROJECTION_SP:
for (;;) {
do {
fprintf(stderr, "\nSpecify the correct units to use:\n");
fprintf(stderr, "Enter the corresponding number\n");
fprintf(stderr,
"1.\tUS Survey Foot (Default for State Plane 1927)\n");
fprintf(stderr, "2.\tInternational Foot\n");
fprintf(stderr, "3.\tMeter\n");
fprintf(stderr, ">");
} while (!G_gets(answer));
G_strip(answer);
if (strcmp(answer, "1") == 0) {
G_set_key_value("unit", "USfoot", in_unit_keys);
G_set_key_value("units", "USfeet", in_unit_keys);
G_set_key_value("meters", "0.30480060960121920243",
in_unit_keys);
break;
}
else if (strcmp(answer, "2") == 0) {
G_set_key_value("unit", "foot", in_unit_keys);
G_set_key_value("units", "feet", in_unit_keys);
G_set_key_value("meters", "0.3048", in_unit_keys);
break;
}
else if (strcmp(answer, "3") == 0) {
G_set_key_value("unit", "meter", in_unit_keys);
G_set_key_value("units", "meters", in_unit_keys);
G_set_key_value("meters", "1.0", in_unit_keys);
break;
}
else
fprintf(stderr, "\nInvalid Entry (number 1 - 3)\n");
}
break;
case PROJECTION_LL:
G_set_key_value("unit", "degree", in_unit_keys);
G_set_key_value("units", "degrees", in_unit_keys);
G_set_key_value("meters", "1.0", in_unit_keys);
break;
default:
if (G_strcasecmp(proj_out, "LL") != 0) {
fprintf(stderr, _("Enter plural form of units [meters]: "));
G_gets(answer);
if (strlen(answer) == 0) {
G_set_key_value("unit", "meter", in_unit_keys);
G_set_key_value("units", "meters", in_unit_keys);
G_set_key_value("meters", "1.0", in_unit_keys);
}
else {
const struct proj_unit *unit;
G_strip(answer);
unit = get_proj_unit(answer);
if (unit) {
#ifdef FOO
if (G_strcasecmp(proj_out, "STP") == 0 &&
!strcmp(answer, "feet")) {
fprintf(stderr,
"%cPROJECTION 99 State Plane cannot be in FEET.\n",
7);
remove(path); /* remove file */
leave(SP_FATAL);
}
#endif
G_set_key_value("unit", unit->unit, in_unit_keys);
G_set_key_value("units", unit->units, in_unit_keys);
sprintf(buffb, "%.10f", unit->fact);
G_set_key_value("meters", buffb, in_unit_keys);
}
else {
double unit_fact;
while (1) {
fprintf(stderr, _("Enter singular for unit: "));
G_gets(answer1);
G_strip(answer1);
if (strlen(answer1) > 0)
break;
}
while (1) {
fprintf(stderr,
_("Enter conversion factor from %s to meters: "),
answer);
G_gets(answer2);
G_strip(answer2);
if (!
(strlen(answer2) == 0 ||
(1 != sscanf(answer2, "%lf", &unit_fact))))
break;
}
G_set_key_value("unit", answer1, in_unit_keys);
G_set_key_value("units", answer, in_unit_keys);
sprintf(buffb, "%.10f", unit_fact);
G_set_key_value("meters", buffb, in_unit_keys);
}
}
}
else {
G_set_key_value("unit", "degree", in_unit_keys);
G_set_key_value("units", "degrees", in_unit_keys);
G_set_key_value("meters", "1.0", in_unit_keys);
}
} /* switch */
G_write_key_value_file(path, in_unit_keys, &out_stat);
if (out_stat != 0)
G_fatal_error(_("Error writing into UNITS output file <%s>"),
path);
G_free_key_value(in_unit_keys);
} /* if */
if (G__put_window(&cellhd, "", "DEFAULT_WIND") < 0)
G_fatal_error(_("Unable to write to DEFAULT_WIND region file"));
fprintf(stderr,
_("\nProjection information has been recorded for this location\n\n"));
if ((old_zone != zone) | (old_proj != cellhd.proj)) {
G_message(_("The geographic region information in WIND is now obsolete"));
G_message(_("Run g.region -d to update it"));
}
leave(0);
}
int make_window_box(struct Cell_head *window, double magnify, int full,
int hand)
{
int screen_x, screen_y;
double px, py, ux1, uy1, ux2, uy2;
double ns, ew;
int button;
int cur_screen_x, cur_screen_y;
int mode; /* 1, 2 */
int resetwin;
struct Cell_head defwin;
int printmenu = 1;
G_get_default_window(&defwin);
mode = 1;
while (1) {
resetwin = 0;
if (!hand) {
if (printmenu) {
fprintf(stderr, "\n\nButtons:\n");
fprintf(stderr, "Left: 1. corner\n");
fprintf(stderr, "Middle: Unzoom\n");
if (full)
fprintf(stderr, "Right: Main menu\n\n");
else
fprintf(stderr, "Right: Quit\n\n");
printmenu = 0;
}
}
else {
if (mode == 1)
fprintf(stderr, "\r1. corner");
else
fprintf(stderr, "\r2. corner");
}
if (mode == 1) {
if (!hand) {
R_get_location_with_pointer(&screen_x, &screen_y, &button);
}
else {
R_get_location_with_box(0, 0, &screen_x, &screen_y, &button);
}
cur_screen_x = screen_x;
cur_screen_y = screen_y;
}
else {
R_get_location_with_box(cur_screen_x, cur_screen_y, &screen_x,
&screen_y, &button);
}
/* For print only */
px = D_d_to_u_col((double)screen_x);
py = D_d_to_u_row((double)screen_y);
if (!hand)
print_coor(window, py, px);
if (button == 1) {
if (!hand) {
if (mode == 1) {
fprintf(stderr, "\n\nButtons:\n");
fprintf(stderr, "Left: 1. corner (reset)\n");
fprintf(stderr, "Middle: 2. corner\n");
if (full)
fprintf(stderr, "Right: Main menu\n\n");
else
fprintf(stderr, "Right: Quit\n\n");
mode = 2;
}
if (mode == 2) {
cur_screen_x = screen_x;
cur_screen_y = screen_y;
}
}
else { /* hand */
if (mode == 1) {
mode = 2;
}
else {
ux1 = D_d_to_u_col((double)cur_screen_x);
uy1 = D_d_to_u_row((double)cur_screen_y);
ux2 = D_d_to_u_col((double)screen_x);
uy2 = D_d_to_u_row((double)screen_y);
resetwin = 1;
mode = 1;
}
}
}
else if (button == 2) {
if (mode == 1) { /* unzoom */
ux2 = D_d_to_u_col((double)screen_x);
uy2 = D_d_to_u_row((double)screen_y);
ew = window->east - window->west;
ns = window->north - window->south;
if (ns <= window->ns_res)
ns = 2 * window->ns_res;
else
ew /= magnify;
if (ew <= window->ew_res)
ew = 2 * window->ew_res;
else
ns /= magnify;
ux1 = window->east + ew / 2;
ux2 = window->west - ew / 2;
uy1 = window->north + ns / 2;
uy2 = window->south - ns / 2;
}
else {
ux1 = D_d_to_u_col((double)cur_screen_x);
uy1 = D_d_to_u_row((double)cur_screen_y);
ux2 = D_d_to_u_col((double)screen_x);
uy2 = D_d_to_u_row((double)screen_y);
printmenu = 1;
mode = 1;
}
fprintf(stderr, "\n");
resetwin = 1;
}
else {
fprintf(stderr, "\n");
return 1;
}
if (resetwin) {
set_win(window, ux1, uy1, ux2, uy2, hand);
}
}
fprintf(stderr, "\n");
return 1; /* not reached */
}
int main(int argc, char *argv[])
{
int i;
int print_flag = 0;
int flat_flag;
int set_flag;
double x;
int ival;
int row_flag = 0, col_flag = 0;
struct Cell_head window, temp_window;
const char *value;
const char *name;
const char *mapset;
char **rast_ptr, **vect_ptr;
struct GModule *module;
struct
{
struct Flag
*update, *print, *gprint, *flprint, *lprint, *eprint, *nangle,
*center, *res_set, *dist_res, *dflt, *z, *savedefault,
*bbox, *gmt_style, *wms_style;
} flag;
struct
{
struct Option
*north, *south, *east, *west, *top, *bottom,
*res, *nsres, *ewres, *res3, *tbres, *rows, *cols,
*save, *region, *raster, *raster3d, *align,
*zoom, *vect;
} parm;
G_gisinit(argv[0]);
module = G_define_module();
G_add_keyword(_("general"));
G_add_keyword(_("settings"));
module->description =
_("Manages the boundary definitions for the " "geographic region.");
/* flags */
flag.dflt = G_define_flag();
flag.dflt->key = 'd';
flag.dflt->description = _("Set from default region");
flag.dflt->guisection = _("Existing");
flag.savedefault = G_define_flag();
flag.savedefault->key = 's';
flag.savedefault->label = _("Save as default region");
flag.savedefault->description = _("Only possible from the PERMANENT mapset");
flag.savedefault->guisection = _("Existing");
flag.print = G_define_flag();
flag.print->key = 'p';
flag.print->description = _("Print the current region");
flag.print->guisection = _("Print");
flag.lprint = G_define_flag();
flag.lprint->key = 'l';
flag.lprint->description = _("Print the current region in lat/long "
"using the current ellipsoid/datum");
flag.lprint->guisection = _("Print");
flag.eprint = G_define_flag();
flag.eprint->key = 'e';
flag.eprint->description = _("Print the current region extent");
flag.eprint->guisection = _("Print");
flag.center = G_define_flag();
flag.center->key = 'c';
flag.center->description =
_("Print the current region map center coordinates");
flag.center->guisection = _("Print");
flag.gmt_style = G_define_flag();
flag.gmt_style->key = 't';
flag.gmt_style->description =
_("Print the current region in GMT style");
flag.gmt_style->guisection = _("Print");
flag.wms_style = G_define_flag();
flag.wms_style->key = 'w';
flag.wms_style->description =
_("Print the current region in WMS style");
flag.wms_style->guisection = _("Print");
flag.dist_res = G_define_flag();
flag.dist_res->key = 'm';
flag.dist_res->description =
_("Print region resolution in meters (geodesic)");
flag.dist_res->guisection = _("Print");
flag.nangle = G_define_flag();
flag.nangle->key = 'n';
flag.nangle->label = _("Print the convergence angle (degrees CCW)");
flag.nangle->description =
_("The difference between the projection's grid north and true north, "
"measured at the center coordinates of the current region.");
flag.nangle->guisection = _("Print");
flag.z = G_define_flag();
flag.z->key = '3';
flag.z->description = _("Print also 3D settings");
flag.z->guisection = _("Print");
flag.bbox = G_define_flag();
flag.bbox->key = 'b';
flag.bbox->description =
_("Print the maximum bounding box in lat/long on WGS84");
flag.bbox->guisection = _("Print");
flag.gprint = G_define_flag();
flag.gprint->key = 'g';
flag.gprint->description = _("Print in shell script style");
flag.gprint->guisection = _("Print");
flag.flprint = G_define_flag();
flag.flprint->key = 'f';
flag.flprint->description = _("Print in shell script style, but in one line (flat)");
flag.flprint->guisection = _("Print");
flag.res_set = G_define_flag();
flag.res_set->key = 'a';
flag.res_set->description =
_("Align region to resolution (default = align to bounds, "
"works only for 2D resolution)");
flag.res_set->guisection = _("Bounds");
flag.update = G_define_flag();
flag.update->key = 'u';
flag.update->description = _("Do not update the current region");
flag.update->guisection = _("Effects");
/* parameters */
parm.region = G_define_standard_option(G_OPT_M_REGION);
parm.region->description = _("Set current region from named region");
parm.region->guisection = _("Existing");
parm.raster = G_define_standard_option(G_OPT_R_MAP);
parm.raster->key = "raster";
parm.raster->required = NO;
parm.raster->multiple = YES;
parm.raster->description = _("Set region to match raster map(s)");
parm.raster->guisection = _("Existing");
parm.raster3d = G_define_standard_option(G_OPT_R3_MAP);
parm.raster3d->key = "raster_3d";
parm.raster3d->required = NO;
parm.raster3d->multiple = NO;
parm.raster3d->description =
_("Set region to match 3D raster map(s) (both 2D and 3D "
"values)");
parm.raster3d->guisection = _("Existing");
parm.vect = G_define_standard_option(G_OPT_V_MAP);
parm.vect->key = "vector";
parm.vect->required = NO;
parm.vect->multiple = YES;
parm.vect->label = _("Set region to match vector map(s)");
parm.vect->description = NULL;
parm.vect->guisection = _("Existing");
parm.north = G_define_option();
parm.north->key = "n";
parm.north->key_desc = "value";
parm.north->required = NO;
parm.north->multiple = NO;
parm.north->type = TYPE_STRING;
parm.north->description = _("Value for the northern edge");
parm.north->guisection = _("Bounds");
parm.south = G_define_option();
parm.south->key = "s";
parm.south->key_desc = "value";
parm.south->required = NO;
parm.south->multiple = NO;
parm.south->type = TYPE_STRING;
parm.south->description = _("Value for the southern edge");
parm.south->guisection = _("Bounds");
parm.east = G_define_option();
parm.east->key = "e";
parm.east->key_desc = "value";
parm.east->required = NO;
parm.east->multiple = NO;
parm.east->type = TYPE_STRING;
parm.east->description = _("Value for the eastern edge");
parm.east->guisection = _("Bounds");
parm.west = G_define_option();
parm.west->key = "w";
parm.west->key_desc = "value";
parm.west->required = NO;
parm.west->multiple = NO;
parm.west->type = TYPE_STRING;
parm.west->description = _("Value for the western edge");
parm.west->guisection = _("Bounds");
parm.top = G_define_option();
parm.top->key = "t";
parm.top->key_desc = "value";
parm.top->required = NO;
parm.top->multiple = NO;
parm.top->type = TYPE_STRING;
parm.top->description = _("Value for the top edge");
parm.top->guisection = _("Bounds");
parm.bottom = G_define_option();
parm.bottom->key = "b";
parm.bottom->key_desc = "value";
parm.bottom->required = NO;
parm.bottom->multiple = NO;
parm.bottom->type = TYPE_STRING;
parm.bottom->description = _("Value for the bottom edge");
parm.bottom->guisection = _("Bounds");
parm.rows = G_define_option();
parm.rows->key = "rows";
parm.rows->key_desc = "value";
parm.rows->required = NO;
parm.rows->multiple = NO;
parm.rows->type = TYPE_INTEGER;
parm.rows->description = _("Number of rows in the new region");
parm.rows->guisection = _("Resolution");
parm.cols = G_define_option();
parm.cols->key = "cols";
parm.cols->key_desc = "value";
parm.cols->required = NO;
parm.cols->multiple = NO;
parm.cols->type = TYPE_INTEGER;
parm.cols->description = _("Number of columns in the new region");
parm.cols->guisection = _("Resolution");
parm.res = G_define_option();
parm.res->key = "res";
parm.res->key_desc = "value";
parm.res->required = NO;
parm.res->multiple = NO;
parm.res->type = TYPE_STRING;
parm.res->description =
_("2D grid resolution (north-south and east-west)");
parm.res->guisection = _("Resolution");
parm.res3 = G_define_option();
parm.res3->key = "res3";
parm.res3->key_desc = "value";
parm.res3->required = NO;
parm.res3->multiple = NO;
parm.res3->type = TYPE_STRING;
parm.res3->description =
_("3D grid resolution (north-south, east-west and top-bottom)");
parm.res3->guisection = _("Resolution");
parm.nsres = G_define_option();
parm.nsres->key = "nsres";
parm.nsres->key_desc = "value";
parm.nsres->required = NO;
parm.nsres->multiple = NO;
parm.nsres->type = TYPE_STRING;
parm.nsres->description = _("North-south 2D grid resolution");
parm.nsres->guisection = _("Resolution");
parm.ewres = G_define_option();
parm.ewres->key = "ewres";
parm.ewres->key_desc = "value";
parm.ewres->required = NO;
parm.ewres->multiple = NO;
parm.ewres->type = TYPE_STRING;
parm.ewres->description = _("East-west 2D grid resolution");
parm.ewres->guisection = _("Resolution");
parm.tbres = G_define_option();
parm.tbres->key = "tbres";
parm.tbres->key_desc = "value";
parm.tbres->required = NO;
parm.tbres->multiple = NO;
parm.tbres->type = TYPE_STRING;
parm.tbres->description = _("Top-bottom 3D grid resolution");
parm.tbres->guisection = _("Resolution");
parm.zoom = G_define_option();
parm.zoom->key = "zoom";
parm.zoom->key_desc = "name";
parm.zoom->required = NO;
parm.zoom->multiple = NO;
parm.zoom->type = TYPE_STRING;
parm.zoom->description =
_("Shrink region until it meets non-NULL data from this raster map");
parm.zoom->gisprompt = "old,cell,raster";
parm.zoom->guisection = _("Bounds");
parm.align = G_define_option();
parm.align->key = "align";
parm.align->key_desc = "name";
parm.align->required = NO;
parm.align->multiple = NO;
parm.align->type = TYPE_STRING;
parm.align->description =
_("Adjust region cells to cleanly align with this raster map");
parm.align->gisprompt = "old,cell,raster";
parm.align->guisection = _("Bounds");
parm.save = G_define_option();
parm.save->key = "save";
parm.save->key_desc = "name";
parm.save->required = NO;
parm.save->multiple = NO;
parm.save->type = TYPE_STRING;
parm.save->description =
_("Save current region settings in named region file");
parm.save->gisprompt = "new,windows,region";
parm.save->guisection = _("Effects");
G_option_required(flag.dflt, flag.savedefault, flag.print, flag.lprint,
flag.eprint, flag.center, flag.gmt_style, flag.wms_style,
flag.dist_res, flag.nangle, flag. z, flag.bbox, flag.gprint,
flag.res_set, flag.update, parm.region, parm.raster,
parm.raster3d, parm.vect, parm.north, parm.south, parm.east,
parm.west, parm.top, parm.bottom, parm.rows, parm.cols,
parm.res, parm.res3, parm.nsres, parm.ewres, parm.tbres,
parm.zoom, parm.align, parm.save, NULL);
if (G_parser(argc, argv))
exit(EXIT_FAILURE);
G_get_default_window(&window);
set_flag = !flag.update->answer;
flat_flag = flag.flprint->answer;
if (flag.print->answer)
print_flag |= PRINT_REG;
if (flag.gprint->answer)
print_flag |= PRINT_SH;
if (flag.lprint->answer)
print_flag |= PRINT_LL;
if (flag.eprint->answer)
print_flag |= PRINT_EXTENT;
if (flag.center->answer)
print_flag |= PRINT_CENTER;
if (flag.gmt_style->answer)
print_flag |= PRINT_GMT;
if (flag.wms_style->answer)
print_flag |= PRINT_WMS;
if (flag.nangle->answer)
print_flag |= PRINT_NANGLE;
if (flag.dist_res->answer)
print_flag |= PRINT_METERS;
if (flag.z->answer)
print_flag |= PRINT_3D;
if (flag.bbox->answer)
print_flag |= PRINT_MBBOX;
if (print_flag == PRINT_METERS)
print_flag |= PRINT_SH;
if (print_flag == PRINT_SH ||
print_flag & PRINT_3D || print_flag == PRINT_METERS + PRINT_SH) {
print_flag |= PRINT_REG;
}
if (!flag.dflt->answer)
G_get_window(&window);
/* region= */
if ((name = parm.region->answer)) {
mapset = G_find_file2("windows", name, "");
if (!mapset)
G_fatal_error(_("Region <%s> not found"), name);
G_get_element_window(&window, "windows", name, mapset);
}
/* raster= */
if (parm.raster->answer) {
int first = 0;
rast_ptr = parm.raster->answers;
for (; *rast_ptr != NULL; rast_ptr++) {
char rast_name[GNAME_MAX];
strcpy(rast_name, *rast_ptr);
mapset = G_find_raster2(rast_name, "");
if (!mapset)
G_fatal_error(_("Raster map <%s> not found"), rast_name);
Rast_get_cellhd(rast_name, mapset, &temp_window);
if (!first) {
window = temp_window;
first = 1;
}
else {
window.north = (window.north > temp_window.north) ?
window.north : temp_window.north;
window.south = (window.south < temp_window.south) ?
window.south : temp_window.south;
window.east = (window.east > temp_window.east) ?
window.east : temp_window.east;
window.west = (window.west < temp_window.west) ?
window.west : temp_window.west;
}
}
G_adjust_Cell_head3(&window, 0, 0, 0);
}
/* raster3d= */
if ((name = parm.raster3d->answer)) {
RASTER3D_Region win;
if ((mapset = G_find_raster3d(name, "")) == NULL)
G_fatal_error(_("3D raster map <%s> not found"), name);
if (Rast3d_read_region_map(name, mapset, &win) < 0)
G_fatal_error(_("Unable to read header of 3D raster map <%s@%s>"),
name, mapset);
Rast3d_region_to_cell_head(&win, &window);
}
/* vector= */
if (parm.vect->answer) {
int first = 0;
vect_ptr = parm.vect->answers;
for (; *vect_ptr != NULL; vect_ptr++) {
struct Map_info Map;
struct bound_box box;
char vect_name[GNAME_MAX];
struct Cell_head map_window;
strcpy(vect_name, *vect_ptr);
mapset = G_find_vector2(vect_name, "");
if (!mapset)
G_fatal_error(_("Vector map <%s> not found"), vect_name);
temp_window = window;
Vect_set_open_level(2);
if (2 > Vect_open_old_head(&Map, vect_name, mapset))
G_fatal_error(_("Unable to open vector map <%s> on topological level"),
vect_name);
Vect_get_map_box(&Map, &box);
map_window = window;
map_window.north = box.N;
map_window.south = box.S;
map_window.west = box.W;
map_window.east = box.E;
map_window.top = box.T;
map_window.bottom = box.B;
if (!first) {
window = map_window;
first = 1;
}
else {
window.north = (window.north > map_window.north) ?
window.north : map_window.north;
window.south = (window.south < map_window.south) ?
window.south : map_window.south;
window.east = (window.east > map_window.east) ?
window.east : map_window.east;
window.west = (window.west < map_window.west) ?
window.west : map_window.west;
if (map_window.top > window.top)
window.top = map_window.top;
if (map_window.bottom < window.bottom)
window.bottom = map_window.bottom;
}
if (window.north == window.south) {
window.north = window.north + 0.5 * temp_window.ns_res;
window.south = window.south - 0.5 * temp_window.ns_res;
}
if (window.east == window.west) {
window.west = window.west - 0.5 * temp_window.ew_res;
window.east = window.east + 0.5 * temp_window.ew_res;
}
if (window.top == window.bottom) {
window.bottom = (window.bottom - 0.5 * temp_window.tb_res);
window.top = (window.top + 0.5 * temp_window.tb_res);
}
if (flag.res_set->answer)
Rast_align_window(&window, &temp_window);
Vect_close(&Map);
}
}
/* n= */
if ((value = parm.north->answer)) {
if ((i = nsew(value, "n+", "n-", "s+"))) {
if (!G_scan_resolution(value + 2, &x, window.proj))
die(parm.north);
switch (i) {
case 1:
window.north += x;
break;
case 2:
window.north -= x;
break;
case 3:
window.north = window.south + x;
break;
}
}
else if (G_scan_northing(value, &x, window.proj))
window.north = x;
else
die(parm.north);
}
/* s= */
if ((value = parm.south->answer)) {
if ((i = nsew(value, "s+", "s-", "n-"))) {
if (!G_scan_resolution(value + 2, &x, window.proj))
die(parm.south);
switch (i) {
case 1:
window.south += x;
break;
case 2:
window.south -= x;
break;
case 3:
window.south = window.north - x;
break;
}
}
else if (G_scan_northing(value, &x, window.proj))
window.south = x;
else
die(parm.south);
}
/* e= */
if ((value = parm.east->answer)) {
if ((i = nsew(value, "e+", "e-", "w+"))) {
if (!G_scan_resolution(value + 2, &x, window.proj))
die(parm.east);
switch (i) {
case 1:
window.east += x;
break;
case 2:
window.east -= x;
break;
case 3:
window.east = window.west + x;
break;
}
}
else if (G_scan_easting(value, &x, window.proj))
window.east = x;
else
die(parm.east);
}
/* w= */
if ((value = parm.west->answer)) {
if ((i = nsew(value, "w+", "w-", "e-"))) {
if (!G_scan_resolution(value + 2, &x, window.proj))
die(parm.west);
switch (i) {
case 1:
window.west += x;
break;
case 2:
window.west -= x;
break;
case 3:
window.west = window.east - x;
break;
}
}
else if (G_scan_easting(value, &x, window.proj))
window.west = x;
else
die(parm.west);
}
/* t= */
if ((value = parm.top->answer)) {
if ((i = nsew(value, "t+", "t-", "b+"))) {
if (sscanf(value + 2, "%lf", &x) != 1)
die(parm.top);
switch (i) {
case 1:
window.top += x;
break;
case 2:
window.top -= x;
break;
case 3:
window.top = window.bottom + x;
break;
}
}
else if (sscanf(value, "%lf", &x) == 1)
window.top = x;
else
die(parm.top);
}
/* b= */
if ((value = parm.bottom->answer)) {
if ((i = nsew(value, "b+", "b-", "t-"))) {
if (sscanf(value + 2, "%lf", &x) != 1)
die(parm.bottom);
switch (i) {
case 1:
window.bottom += x;
break;
case 2:
window.bottom -= x;
break;
case 3:
window.bottom = window.top - x;
break;
}
}
else if (sscanf(value, "%lf", &x) == 1)
window.bottom = x;
else
die(parm.bottom);
}
/* res= */
if ((value = parm.res->answer)) {
if (!G_scan_resolution(value, &x, window.proj))
die(parm.res);
window.ns_res = x;
window.ew_res = x;
if (flag.res_set->answer) {
window.north = ceil(window.north / x) * x;
window.south = floor(window.south / x) * x;
window.east = ceil(window.east / x) * x;
window.west = floor(window.west / x) * x;
}
}
/* res3= */
if ((value = parm.res3->answer)) {
if (!G_scan_resolution(value, &x, window.proj))
die(parm.res);
window.ns_res3 = x;
window.ew_res3 = x;
window.tb_res = x;
}
/* nsres= */
if ((value = parm.nsres->answer)) {
if (!G_scan_resolution(value, &x, window.proj))
die(parm.nsres);
window.ns_res = x;
if (flag.res_set->answer) {
window.north = ceil(window.north / x) * x;
window.south = floor(window.south / x) * x;
}
}
/* ewres= */
if ((value = parm.ewres->answer)) {
if (!G_scan_resolution(value, &x, window.proj))
die(parm.ewres);
window.ew_res = x;
if (flag.res_set->answer) {
window.east = ceil(window.east / x) * x;
window.west = floor(window.west / x) * x;
}
}
/* tbres= */
if ((value = parm.tbres->answer)) {
if (sscanf(value, "%lf", &x) != 1)
die(parm.tbres);
window.tb_res = x;
if (flag.res_set->answer) {
window.top = ceil(window.top / x) * x;
window.bottom = floor(window.bottom / x) * x;
}
}
/* rows= */
if ((value = parm.rows->answer)) {
if (sscanf(value, "%i", &ival) != 1)
die(parm.rows);
window.rows = ival;
row_flag = 1;
}
/* cols= */
if ((value = parm.cols->answer)) {
if (sscanf(value, "%i", &ival) != 1)
die(parm.cols);
window.cols = ival;
col_flag = 1;
}
/* zoom= */
if ((name = parm.zoom->answer)) {
mapset = G_find_raster2(name, "");
if (!mapset)
G_fatal_error(_("Raster map <%s> not found"), name);
zoom(&window, name, mapset);
}
/* align= */
if ((name = parm.align->answer)) {
mapset = G_find_raster2(name, "");
if (!mapset)
G_fatal_error(_("Raster map <%s> not found"), name);
Rast_get_cellhd(name, mapset, &temp_window);
Rast_align_window(&window, &temp_window);
}
/* save= */
if ((name = parm.save->answer)) {
temp_window = window;
G_adjust_Cell_head3(&temp_window, 0, 0, 0);
if (G_put_element_window(&temp_window, "windows", name) < 0)
G_fatal_error(_("Unable to set region <%s>"), name);
}
G_adjust_Cell_head3(&window, row_flag, col_flag, 0);
if (set_flag) {
if (G_put_window(&window) < 0)
G_fatal_error(_("Unable to update current region"));
}
if (flag.savedefault->answer) {
if (strcmp(G_mapset(), "PERMANENT") == 0) {
G_put_element_window(&window, "", "DEFAULT_WIND");
}
else {
G_fatal_error(_("Unable to change default region. "
"The current mapset is not <PERMANENT>."));
}
} /* / flag.savedefault->answer */
if (print_flag)
print_window(&window, print_flag, flat_flag);
exit(EXIT_SUCCESS);
}
/* ************************************************************************* */
int main(int argc, char *argv[])
{
char *output = NULL;
RASTER3D_Region region;
struct Cell_head window2d;
struct Cell_head default_region;
FILE *fp = NULL;
struct GModule *module;
int dp, i, changemask = 0;
int rows, cols;
const char *mapset, *name;
double scale = 1.0, llscale = 1.0;
input_maps *in;
/* Initialize GRASS */
G_gisinit(argv[0]);
module = G_define_module();
G_add_keyword(_("raster3d"));
G_add_keyword(_("export"));
G_add_keyword(_("voxel"));
G_add_keyword("VTK");
module->description =
_("Converts 3D raster maps into the VTK-ASCII format.");
/* Get parameters from user */
set_params();
/* Have GRASS get inputs */
if (G_parser(argc, argv))
exit(EXIT_FAILURE);
/*The precision of the output */
if (param.decimals->answer) {
if (sscanf(param.decimals->answer, "%d", &dp) != 1)
G_fatal_error(_("failed to interpret dp as an integer"));
if (dp > 20 || dp < 0)
G_fatal_error(_("dp has to be from 0 to 20"));
} else {
dp = 8; /*This value is taken from the lib settings in G_format_easting */
}
/*Check the input */
check_input_maps();
/*Correct the coordinates, so the precision of VTK is not hurt :( */
if (param.coorcorr->answer) {
/*Get the default region for coordiante correction */
G_get_default_window(&default_region);
/*Use the center of the current region as extent */
y_extent = (default_region.north + default_region.south) / 2;
x_extent = (default_region.west + default_region.east) / 2;
} else {
x_extent = 0;
y_extent = 0;
}
/*open the output */
if (param.output->answer) {
fp = fopen(param.output->answer, "w");
if (fp == NULL) {
perror(param.output->answer);
G_usage();
exit(EXIT_FAILURE);
}
} else
fp = stdout;
/* Figure out the region from the map */
Rast3d_init_defaults();
Rast3d_get_window(®ion);
/*initiate the input mpas structure */
in = create_input_maps_struct();
/* read and compute the scale factor */
sscanf(param.elevscale->answer, "%lf", &scale);
/*if LL projection, convert the elevation values to degrees */
if (param.scalell->answer && region.proj == PROJECTION_LL) {
llscale = M_PI / (180) * 6378137;
scale /= llscale;
}
/*Open the top and bottom file */
if (param.structgrid->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 2D windows 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(&window2d);
window2d.ns_res = region.ns_res;
window2d.ew_res = region.ew_res;
window2d.rows = region.rows;
window2d.cols = region.cols;
Rast_set_window(&window2d);
}
/*open top */
mapset = NULL;
name = NULL;
name = param.top->answer;
mapset = G_find_raster2(name, "");
in->top = open_input_map(name, mapset);
in->topMapType = Rast_get_map_type(in->top);
/*open bottom */
mapset = NULL;
name = NULL;
name = param.bottom->answer;
mapset = G_find_raster2(name, "");
in->bottom = open_input_map(name, mapset);
in->bottomMapType = Rast_get_map_type(in->bottom);
/* Write the vtk-header and the points */
if (param.point->answer) {
write_vtk_structured_grid_header(fp, output, region);
write_vtk_points(in, fp, region, dp, 1, scale);
} else {
write_vtk_unstructured_grid_header(fp, output, region);
write_vtk_points(in, fp, region, dp, 0, scale);
write_vtk_unstructured_grid_cells(fp, region);
}
Rast_close(in->top);
in->top = -1;
Rast_close(in->bottom);
in->bottom = -1;
} else {
/* Write the structured point vtk-header */
write_vtk_structured_point_header(fp, output, region, dp, scale);
}
/*Write the normal VTK data (cell or point data) */
/*Loop over all 3d input maps! */
if (param.input->answers != NULL) {
for (i = 0; param.input->answers[i] != NULL; i++) {
G_debug(3, "Open 3D raster map <%s>", param.input->answers[i]);
/*Open the map */
in->map =
Rast3d_open_cell_old(param.input->answers[i],
G_find_raster3d(param.input->answers[i], ""),
®ion, RASTER3D_TILE_SAME_AS_FILE,
RASTER3D_USE_CACHE_DEFAULT);
if (in->map == NULL) {
G_warning(_("Unable to open 3D raster map <%s>"),
param.input->answers[i]);
fatal_error(" ", in);
}
/*if requested set the Mask on */
if (param.mask->answer) {
if (Rast3d_mask_file_exists()) {
changemask = 0;
if (Rast3d_mask_is_off(in->map)) {
Rast3d_mask_on(in->map);
changemask = 1;
}
}
}
/* Write the point or cell data */
write_vtk_data(fp, in->map, region, param.input->answers[i], dp);
/*We set the Mask off, if it was off before */
if (param.mask->answer) {
if (Rast3d_mask_file_exists())
if (Rast3d_mask_is_on(in->map) && changemask)
Rast3d_mask_off(in->map);
}
/* Close the 3d raster map */
if (!Rast3d_close(in->map)) {
in->map = NULL;
fatal_error(_("Unable to close 3D raster map, the VTK file may be incomplete"),
in);
}
in->map = NULL;
}
}
/*Write the RGB voxel data */
open_write_rgb_maps(in, region, fp, dp);
open_write_vector_maps(in, region, fp, dp);
/*Close the output file */
if (param.output->answer && fp != NULL)
if (fclose(fp))
fatal_error(_("Unable to close VTK-ASCII file"), in);
/*close all open maps and free memory */
release_input_maps_struct(in);
return 0;
}
/* ************************************************************************* */
int main(int argc, char *argv[])
{
struct Cell_head region;
struct Cell_head default_region;
FILE *fp = NULL;
struct GModule *module;
int i = 0, polytype = 0;
char *null_value;
int out_type;
int fd; /*Normale maps ;) */
int rgbfd[3];
int vectfd[3];
int celltype[3] = { 0, 0, 0 };
int headertype;
double scale = 1.0, llscale = 1.0, eleval = 0.0;
int digits = 12;
/* Initialize GRASS */
G_gisinit(argv[0]);
module = G_define_module();
G_add_keyword(_("raster"));
G_add_keyword(_("export"));
module->description = _("Converts raster maps into the VTK-ASCII format.");
/* Get parameters from user */
set_params();
/* Have GRASS get inputs */
if (G_parser(argc, argv))
exit(EXIT_FAILURE);
if (param.input->answers == NULL && param.rgbmaps->answers == NULL &&
param.vectmaps->answers == NULL) {
G_fatal_error(_("No input maps specified. You need to specify at least one input map or three vector maps or three rgb maps."));
}
/*open the output */
if (param.output->answer) {
fp = fopen(param.output->answer, "w");
if (fp == NULL) {
perror(param.output->answer);
G_usage();
exit(EXIT_FAILURE);
}
}
else
fp = stdout;
/*Correct the coordinates, so the precision of VTK is not hurt :( */
if (param.coorcorr->answer) {
/*Get the default region for coordiante correction */
G_get_default_window(&default_region);
/*Use the center of the current region as extent */
y_extent = (default_region.north + default_region.south) / 2;
x_extent = (default_region.west + default_region.east) / 2;
}
else {
x_extent = 0;
y_extent = 0;
}
/* Figure out the region from the map */
G_get_window(®ion);
/*Set the null Value, maybe i have to check this? */
null_value = param.null_val->answer;
/*number of significant digits */
sscanf(param.decimals->answer, "%i", &digits);
/* read and compute the scale factor */
sscanf(param.elevscale->answer, "%lf", &scale);
sscanf(param.elev->answer, "%lf", &eleval);
/*if LL projection, convert the elevation values to degrees */
if (region.proj == PROJECTION_LL) {
llscale = M_PI / (180) * 6378137;
scale /= llscale;
}
/********************* WRITE ELEVATION *************************************/
if (param.elevationmap->answer) {
/*If the elevation is set, write the correct Header */
if (param.usestruct->answer) {
write_vtk_structured_elevation_header(fp, region);
}
else {
write_vtk_polygonal_elevation_header(fp, region);
}
G_debug(3, _("Open Raster file %s"), param.elevationmap->answer);
/* open raster map */
fd = Rast_open_old(param.elevationmap->answer, "");
out_type = Rast_get_map_type(fd);
/*The write the Coordinates */
if (param.usestruct->answer) {
write_vtk_structured_coordinates(fd, fp,
param.elevationmap->answer,
region, out_type, null_value,
scale, digits);
}
else {
polytype = QUADS; /*The default */
if (param.usetriangle->answer)
polytype = TRIANGLE_STRIPS;
if (param.usevertices->answer)
polytype = VERTICES;
write_vtk_polygonal_coordinates(fd, fp,
param.elevationmap->answer,
region, out_type, null_value,
scale, polytype, digits);
}
Rast_close(fd);
}
else {
/*Should pointdata or celldata be written */
if (param.point->answer)
headertype = 1;
else
headertype = 0;
/*If no elevation is given, write the normal Header */
if (param.origin->answer)
write_vtk_normal_header(fp, region, scale * eleval, headertype);
else
write_vtk_normal_header(fp, region, eleval / llscale, headertype);
}
/******************** WRITE THE POINT OR CELL DATA HEADER ******************/
if (param.input->answers != NULL || param.rgbmaps->answers != NULL) {
if (param.point->answer || param.elevationmap->answer)
write_vtk_pointdata_header(fp, region);
else
write_vtk_celldata_header(fp, region);
}
/********************** WRITE NORMAL DATA; CELL OR POINT *******************/
/*Loop over all input maps! */
if (param.input->answers != NULL) {
for (i = 0; param.input->answers[i] != NULL; i++) {
G_debug(3, _("Open Raster file %s"), param.input->answers[i]);
/* open raster map */
fd = Rast_open_old(param.input->answers[i], "");
out_type = Rast_get_map_type(fd);
/*Now write the data */
write_vtk_data(fd, fp, param.input->answers[i], region, out_type,
null_value, digits);
Rast_close(fd);
}
}
/********************** WRITE RGB IMAGE DATA; CELL OR POINT ****************/
if (param.rgbmaps->answers != NULL) {
if (param.rgbmaps->answers[0] != NULL &&
param.rgbmaps->answers[1] != NULL &&
param.rgbmaps->answers[2] != NULL) {
/*Loop over all three rgb input maps! */
for (i = 0; i < 3; i++) {
G_debug(3, _("Open Raster file %s"),
param.rgbmaps->answers[i]);
/* open raster map */
rgbfd[i] = Rast_open_old(param.rgbmaps->answers[i], "");
celltype[i] = Rast_get_map_type(rgbfd[i]);
}
/*Maps have to be from the same type */
if (celltype[0] == celltype[1] && celltype[0] == celltype[2]) {
G_debug(3, _("Writing VTK ImageData\n"));
out_type = celltype[0];
/*Now write the data */
write_vtk_rgb_image_data(rgbfd[0], rgbfd[1], rgbfd[2], fp,
"RGB_Image", region, out_type,
digits);
}
else {
G_warning(_("Wrong RGB maps. Maps should have the same type! RGB output not added!"));
/*do nothing */
}
/*Close the maps */
for (i = 0; i < 3; i++)
Rast_close(rgbfd[i]);
}
}
/********************** WRITE VECTOR DATA; CELL OR POINT ****************/
if (param.vectmaps->answers != NULL) {
if (param.vectmaps->answers[0] != NULL &&
param.vectmaps->answers[1] != NULL &&
param.vectmaps->answers[2] != NULL) {
/*Loop over all three vect input maps! */
for (i = 0; i < 3; i++) {
G_debug(3, _("Open Raster file %s"),
param.vectmaps->answers[i]);
/* open raster map */
vectfd[i] = Rast_open_old(param.vectmaps->answers[i], "");
celltype[i] = Rast_get_map_type(vectfd[i]);
}
/*Maps have to be from the same type */
if (celltype[0] == celltype[1] && celltype[0] == celltype[2]) {
G_debug(3, _("Writing VTK Vector Data\n"));
out_type = celltype[0];
/*Now write the data */
write_vtk_vector_data(vectfd[0], vectfd[1], vectfd[2], fp,
"Vector_Data", region, out_type,
digits);
}
else {
G_warning(_("Wrong vector maps. Maps should have the same type! Vector output not added!"));
/*do nothing */
}
/*Close the maps */
for (i = 0; i < 3; i++)
Rast_close(vectfd[i]);
}
}
if (param.output->answer && fp != NULL)
if (fclose(fp)) {
G_fatal_error(_("Error closing VTK-ASCII file"));
}
return 0;
}
int E_edit_cellhd(struct Cell_head *cellhd, int type)
{
char ll_north[20];
char ll_south[20];
char ll_east[20];
char ll_west[20];
char ll_nsres[20];
char ll_ewres[20];
char ll_def_north[20];
char ll_def_south[20];
char ll_def_east[20];
char ll_def_west[20];
char ll_def_ewres[20];
char ll_def_nsres[20];
char projection[80];
char **screen;
struct Cell_head def_wind;
double north, south, east, west;
double nsres, ewres;
char buf[64], buf2[30], *p;
short ok;
int line;
char *prj;
char *err;
if (type == AS_CELLHD && (cellhd->rows <= 0 || cellhd->cols <= 0)) {
G_message("E_edit_cellhd() - programmer error");
G_message(" ** rows and cols must be positive **");
return -1;
}
if (type != AS_DEF_WINDOW) {
if (G_get_default_window(&def_wind) != 1)
return -1;
if (cellhd->proj < 0) {
cellhd->proj = def_wind.proj;
cellhd->zone = def_wind.zone;
}
else if (cellhd->zone < 0)
cellhd->zone = def_wind.zone;
}
prj = G__projection_name(cellhd->proj);
if (!prj)
prj = "** unknown **";
sprintf(projection, "%d (%s)", cellhd->proj, prj);
if (type != AS_DEF_WINDOW) {
if (cellhd->west >= cellhd->east || cellhd->south >= cellhd->north) {
cellhd->north = def_wind.north;
cellhd->south = def_wind.south;
cellhd->west = def_wind.west;
cellhd->east = def_wind.east;
if (type != AS_CELLHD) {
cellhd->ew_res = def_wind.ew_res;
cellhd->ns_res = def_wind.ns_res;
cellhd->rows = def_wind.rows;
cellhd->cols = def_wind.cols;
}
}
if (cellhd->proj != def_wind.proj) {
if (type == AS_CELLHD)
G_message
("header projection %d differs from default projection %d",
cellhd->proj, def_wind.proj);
else
G_message
("region projection %d differs from default projection %d",
cellhd->proj, def_wind.proj);
if (!G_yes("do you want to make them match? ", 1))
return -1;
cellhd->proj = def_wind.proj;
cellhd->zone = def_wind.zone;
}
if (cellhd->zone != def_wind.zone) {
if (type == AS_CELLHD)
G_message("header zone %d differs from default zone %d",
cellhd->zone, def_wind.zone);
else
G_message("region zone %d differs from default zone %d",
cellhd->zone, def_wind.zone);
if (!G_yes("do you want to make them match? ", 1))
return -1;
cellhd->zone = def_wind.zone;
}
*ll_def_north = 0;
*ll_def_south = 0;
*ll_def_east = 0;
*ll_def_west = 0;
*ll_def_ewres = 0;
*ll_def_nsres = 0;
format_northing(def_wind.north, ll_def_north, def_wind.proj);
format_northing(def_wind.south, ll_def_south, def_wind.proj);
format_easting(def_wind.east, ll_def_east, def_wind.proj);
format_easting(def_wind.west, ll_def_west, def_wind.proj);
format_resolution(def_wind.ew_res, ll_def_ewres, def_wind.proj);
format_resolution(def_wind.ns_res, ll_def_nsres, def_wind.proj);
}
*ll_north = 0;
*ll_south = 0;
*ll_east = 0;
*ll_west = 0;
*ll_ewres = 0;
*ll_nsres = 0;
format_northing(cellhd->north, ll_north, cellhd->proj);
format_northing(cellhd->south, ll_south, cellhd->proj);
format_easting(cellhd->east, ll_east, cellhd->proj);
format_easting(cellhd->west, ll_west, cellhd->proj);
format_resolution(cellhd->ew_res, ll_ewres, cellhd->proj);
format_resolution(cellhd->ns_res, ll_nsres, cellhd->proj);
while (1) {
ok = 1;
/* List window options on the screen for the user to answer */
switch (type) {
case AS_CELLHD:
screen = cellhd_screen;
break;
case AS_DEF_WINDOW:
screen = def_window_screen;
break;
default:
screen = window_screen;
break;
}
V_clear();
line = 0;
while (*screen)
V_line(line++, *screen++);
/* V_ques ( variable, type, row, col, length) ; */
V_ques(ll_north, 's', 6, 36, 10);
V_ques(ll_south, 's', 10, 36, 10);
V_ques(ll_west, 's', 9, 12, 10);
V_ques(ll_east, 's', 9, 52, 10);
if (type != AS_CELLHD) {
V_ques(ll_ewres, 's', 18, 48, 10);
V_ques(ll_nsres, 's', 19, 48, 10);
}
if (type != AS_DEF_WINDOW) {
V_const(ll_def_north, 's', 3, 36, 10);
V_const(ll_def_south, 's', 13, 36, 10);
V_const(ll_def_west, 's', 9, 1, 10);
V_const(ll_def_east, 's', 9, 65, 10);
if (type != AS_CELLHD) {
V_const(ll_def_ewres, 's', 18, 21, 10);
V_const(ll_def_nsres, 's', 19, 21, 10);
}
}
V_const(projection, 's', 15, 23, (int)strlen(projection));
V_const(&cellhd->zone, 'i', 15, 60, 3);
V_intrpt_ok();
if (!V_call())
return -1;
G_squeeze(ll_north);
G_squeeze(ll_south);
G_squeeze(ll_east);
G_squeeze(ll_west);
if (type != AS_CELLHD) {
G_squeeze(ll_ewres);
G_squeeze(ll_nsres);
}
if (!G_scan_northing(ll_north, &cellhd->north, cellhd->proj)) {
G_warning("Illegal value for north: %s", ll_north);
ok = 0;
}
if (!G_scan_northing(ll_south, &cellhd->south, cellhd->proj)) {
G_warning("Illegal value for south: %s", ll_south);
ok = 0;
}
if (!G_scan_easting(ll_east, &cellhd->east, cellhd->proj)) {
G_warning("Illegal value for east: %s", ll_east);
ok = 0;
}
if (!G_scan_easting(ll_west, &cellhd->west, cellhd->proj)) {
G_warning("Illegal value for west: %s", ll_west);
ok = 0;
}
if (type != AS_CELLHD) {
if (!G_scan_resolution(ll_ewres, &cellhd->ew_res, cellhd->proj)) {
G_warning("Illegal east-west resolution: %s", ll_ewres);
ok = 0;
}
if (!G_scan_resolution(ll_nsres, &cellhd->ns_res, cellhd->proj)) {
G_warning("Illegal north-south resolution: %s", ll_nsres);
ok = 0;
}
}
if (!ok) {
hitreturn();
continue;
}
/* Adjust and complete the cell header */
north = cellhd->north;
south = cellhd->south;
east = cellhd->east;
west = cellhd->west;
nsres = cellhd->ns_res;
ewres = cellhd->ew_res;
if ((err =
G_adjust_Cell_head(cellhd, type == AS_CELLHD,
type == AS_CELLHD))) {
G_message("%s", err);
hitreturn();
continue;
}
if (type == AS_CELLHD) {
nsres = cellhd->ns_res;
ewres = cellhd->ew_res;
}
SHOW:
fprintf(stderr, "\n\n");
G_message(" projection: %s", projection);
G_message(" zone: %d", cellhd->zone);
G_format_northing(cellhd->north, buf, cellhd->proj);
G_format_northing(north, buf2, cellhd->proj);
fprintf(stderr, " north: %s", buf);
if (strcmp(buf, buf2) != 0) {
ok = 0;
fprintf(stderr, " (Changed to match resolution)");
}
fprintf(stderr, "\n");
G_format_northing(cellhd->south, buf, cellhd->proj);
G_format_northing(south, buf2, cellhd->proj);
fprintf(stderr, " south: %s", buf);
if (strcmp(buf, buf2) != 0) {
ok = 0;
fprintf(stderr, " (Changed to match resolution)");
}
fprintf(stderr, "\n");
G_format_easting(cellhd->east, buf, cellhd->proj);
G_format_easting(east, buf2, cellhd->proj);
fprintf(stderr, " east: %s", buf);
if (strcmp(buf, buf2) != 0) {
ok = 0;
fprintf(stderr, " (Changed to match resolution)");
}
fprintf(stderr, "\n");
G_format_easting(cellhd->west, buf, cellhd->proj);
G_format_easting(west, buf2, cellhd->proj);
fprintf(stderr, " west: %s", buf);
if (strcmp(buf, buf2) != 0) {
ok = 0;
fprintf(stderr, " (Changed to match resolution)");
}
fprintf(stderr, "\n\n");
G_format_resolution(cellhd->ew_res, buf, cellhd->proj);
G_format_resolution(ewres, buf2, cellhd->proj);
fprintf(stderr, " e-w res: %s", buf);
if (strcmp(buf, buf2) != 0) {
ok = 0;
fprintf(stderr, " (Changed to conform to grid)");
}
fprintf(stderr, "\n");
G_format_resolution(cellhd->ns_res, buf, cellhd->proj);
G_format_resolution(nsres, buf2, cellhd->proj);
fprintf(stderr, " n-s res: %s", buf);
if (strcmp(buf, buf2) != 0) {
ok = 0;
fprintf(stderr, " (Changed to conform to grid)");
}
fprintf(stderr, "\n\n");
G_message(" total rows: %15d", cellhd->rows);
G_message(" total cols: %15d", cellhd->cols);
sprintf(buf, "%lf", (double)cellhd->rows * cellhd->cols);
*(p = strchr(buf, '.')) = 0;
G_insert_commas(buf);
G_message(" total cells: %15s", buf);
fprintf(stderr, "\n");
if (type != AS_DEF_WINDOW) {
if (cellhd->north > def_wind.north) {
G_warning("north falls outside the default region");
ok = 0;
}
if (cellhd->south < def_wind.south) {
G_warning("south falls outside the default region");
ok = 0;
}
if (cellhd->proj != PROJECTION_LL) {
if (cellhd->east > def_wind.east) {
G_warning("east falls outside the default region");
ok = 0;
}
if (cellhd->west < def_wind.west) {
G_warning("west falls outside the default region");
ok = 0;
}
}
}
ASK:
fflush(stdin);
if (type == AS_CELLHD)
fprintf(stderr, "\nDo you accept this header? (y/n) [%s] > ",
ok ? "y" : "n");
else
fprintf(stderr, "\nDo you accept this region? (y/n) [%s] > ",
ok ? "y" : "n");
if (!G_gets(buf))
goto SHOW;
G_strip(buf);
switch (*buf) {
case 0:
break;
case 'y':
case 'Y':
ok = 1;
break;
case 'n':
case 'N':
ok = 0;
break;
default:
goto ASK;
}
if (ok)
return 0;
}
}
int main(int argc, char *argv[])
{
int i;
double x;
struct Cell_head cellhd, window;
const char *value;
const char *name;
struct GModule *module;
struct
{
struct Flag *dflt, *cur;
} flag;
struct
{
struct Option
*map,
*north, *south, *east, *west,
*raster, *vect, *region, *align;
} parm;
G_gisinit(argv[0]);
module = G_define_module();
G_add_keyword(_("raster"));
G_add_keyword(_("metadata"));
module->description =
_("Sets the boundary definitions for a raster map.");
/* flags */
flag.cur = G_define_flag();
flag.cur->key = 'c';
flag.cur->description = _("Set from current region");
flag.cur->guisection = _("Existing");
flag.dflt = G_define_flag();
flag.dflt->key = 'd';
flag.dflt->description = _("Set from default region");
flag.dflt->guisection = _("Existing");
/* parameters */
parm.map = G_define_standard_option(G_OPT_R_MAP);
parm.map->description = _("Name of raster map to change");
parm.region = G_define_option();
parm.region->key = "region";
parm.region->key_desc = "name";
parm.region->required = NO;
parm.region->multiple = NO;
parm.region->type = TYPE_STRING;
parm.region->description = _("Set region from named region");
parm.region->gisprompt = "old,windows,region";
parm.region->guisection = _("Existing");
parm.raster = G_define_standard_option(G_OPT_R_MAP);
parm.raster->key = "raster";
parm.raster->required = NO;
parm.raster->multiple = NO;
parm.raster->description = _("Set region to match this raster map");
parm.raster->guisection = _("Existing");
parm.vect = G_define_standard_option(G_OPT_V_MAP);
parm.vect->key = "vector";
parm.vect->required = NO;
parm.vect->multiple = NO;
parm.vect->description = _("Set region to match this vector map");
parm.vect->guisection = _("Existing");
parm.north = G_define_option();
parm.north->key = "n";
parm.north->key_desc = "value";
parm.north->required = NO;
parm.north->multiple = NO;
parm.north->type = TYPE_STRING;
parm.north->description = _("Value for the northern edge");
parm.north->guisection = _("Bounds");
parm.south = G_define_option();
parm.south->key = "s";
parm.south->key_desc = "value";
parm.south->required = NO;
parm.south->multiple = NO;
parm.south->type = TYPE_STRING;
parm.south->description = _("Value for the southern edge");
parm.south->guisection = _("Bounds");
parm.east = G_define_option();
parm.east->key = "e";
parm.east->key_desc = "value";
parm.east->required = NO;
parm.east->multiple = NO;
parm.east->type = TYPE_STRING;
parm.east->description = _("Value for the eastern edge");
parm.east->guisection = _("Bounds");
parm.west = G_define_option();
parm.west->key = "w";
parm.west->key_desc = "value";
parm.west->required = NO;
parm.west->multiple = NO;
parm.west->type = TYPE_STRING;
parm.west->description = _("Value for the western edge");
parm.west->guisection = _("Bounds");
parm.align = G_define_standard_option(G_OPT_R_MAP);
parm.align->key = "align";
parm.align->required = NO;
parm.align->multiple = NO;
parm.align->description = _("Raster map to align to");
parm.align->guisection = _("Existing");
if (G_parser(argc, argv))
exit(EXIT_FAILURE);
G_get_window(&window);
name = parm.map->answer;
Rast_get_cellhd(name, G_mapset(), &cellhd);
window = cellhd;
if (flag.dflt->answer)
G_get_default_window(&window);
if (flag.cur->answer)
G_get_window(&window);
if ((name = parm.region->answer)) /* region= */
G__get_window(&window, "windows", name, "");
if ((name = parm.raster->answer)) { /* raster= */
Rast_get_cellhd(name, "", &window);
}
if ((name = parm.vect->answer)) { /* vect= */
struct Map_info Map;
struct bound_box box;
Vect_set_open_level(1);
if (Vect_open_old(&Map, name, "") != 1)
G_fatal_error(_("Unable to open vector map <%s>"), name);
Vect_get_map_box(&Map, &box);
window.north = box.N;
window.south = box.S;
window.west = box.W;
window.east = box.E;
Rast_align_window(&window, &cellhd);
Vect_close(&Map);
}
if ((value = parm.north->answer)) { /* n= */
if ((i = nsew(value, "n+", "n-", "s+"))) {
if (!G_scan_resolution(value + 2, &x, window.proj))
die(parm.north);
switch (i) {
case 1:
window.north += x;
break;
case 2:
window.north -= x;
break;
case 3:
window.north = window.south + x;
break;
}
}
else if (G_scan_northing(value, &x, window.proj))
window.north = x;
else
die(parm.north);
}
if ((value = parm.south->answer)) { /* s= */
if ((i = nsew(value, "s+", "s-", "n-"))) {
if (!G_scan_resolution(value + 2, &x, window.proj))
die(parm.south);
switch (i) {
case 1:
window.south += x;
break;
case 2:
window.south -= x;
break;
case 3:
window.south = window.north - x;
break;
}
}
else if (G_scan_northing(value, &x, window.proj))
window.south = x;
else
die(parm.south);
}
if ((value = parm.east->answer)) { /* e= */
if ((i = nsew(value, "e+", "e-", "w+"))) {
if (!G_scan_resolution(value + 2, &x, window.proj))
die(parm.east);
switch (i) {
case 1:
window.east += x;
break;
case 2:
window.east -= x;
break;
case 3:
window.east = window.west + x;
break;
}
}
else if (G_scan_easting(value, &x, window.proj))
window.east = x;
else
die(parm.east);
}
if ((value = parm.west->answer)) { /* w= */
if ((i = nsew(value, "w+", "w-", "e-"))) {
if (!G_scan_resolution(value + 2, &x, window.proj))
die(parm.west);
switch (i) {
case 1:
window.west += x;
break;
case 2:
window.west -= x;
break;
case 3:
window.west = window.east - x;
break;
}
}
else if (G_scan_easting(value, &x, window.proj))
window.west = x;
else
die(parm.west);
}
if ((name = parm.align->answer)) { /* align= */
struct Cell_head temp_window;
Rast_get_cellhd(name, "", &temp_window);
Rast_align_window(&window, &temp_window);
}
window.rows = cellhd.rows;
window.cols = cellhd.cols;
G_adjust_Cell_head(&window, 1, 1);
cellhd.north = window.north;
cellhd.south = window.south;
cellhd.east = window.east;
cellhd.west = window.west;
Rast_put_cellhd(parm.map->answer, &cellhd);
G_done_msg(" ");
return 0;
}
