Ejemplo n.º 1
0
Archivo: main.c Proyecto: caomw/grass
int main(int argc, char *argv[])
{
    char *p;
    int i, j, k;
    int method, half, use_catno;
    const char *mapset;
    struct GModule *module;
    struct Option *point_opt,	/* point vector */
     *area_opt,			/* area vector */
     *point_type_opt,		/* point type */
     *point_field_opt,		/* point layer */
     *area_field_opt,		/* area layer */
     *method_opt,		/* stats method */
     *point_column_opt,		/* point column for stats */
     *count_column_opt,		/* area column for point count */
     *stats_column_opt,		/* area column for stats result */
     *fs_opt;			/* field separator for printed output */
    struct Flag *print_flag;
    char *fs;
    struct Map_info PIn, AIn;
    int point_type, point_field, area_field;
    struct line_pnts *Points;
    struct line_cats *ACats, *PCats;
    AREA_CAT *Area_cat;
    int pline, ptype, count;
    int area, nareas, nacats, nacatsalloc;
    int ctype, nrec;
    struct field_info *PFi, *AFi;
    dbString stmt;
    dbDriver *Pdriver, *Adriver;
    char buf[2000];
    int update_ok, update_err;
    struct boxlist *List;
    struct bound_box box;
    dbCatValArray cvarr;
    dbColumn *column;
    struct pvalcat
    {
	double dval;
	int catno;
    } *pvalcats;
    int npvalcats, npvalcatsalloc;
    stat_func *statsvalue = NULL;
    double result;

    column = NULL;

    G_gisinit(argv[0]);

    module = G_define_module();
    G_add_keyword(_("vector"));
    G_add_keyword(_("attribute table"));
    G_add_keyword(_("database"));
    G_add_keyword(_("univariate statistics"));
    G_add_keyword(_("zonal statistics"));
    module->description = _("Count points in areas, calculate statistics from point attributes.");

    point_opt = G_define_standard_option(G_OPT_V_INPUT);
    point_opt->key = "points";
    point_opt->description = _("Name of existing vector map with points");
    /* point_opt->guisection = _("Required"); */

    area_opt = G_define_standard_option(G_OPT_V_INPUT);
    area_opt->key = "areas";
    area_opt->description = _("Name of existing vector map with areas");
    /* area_opt->guisection = _("Required"); */

    point_type_opt = G_define_standard_option(G_OPT_V_TYPE);
    point_type_opt->key = "type";
    point_type_opt->options = "point,centroid";
    point_type_opt->answer = "point";
    point_type_opt->label = _("Feature type");
    point_type_opt->required = NO;

    point_field_opt = G_define_standard_option(G_OPT_V_FIELD);
    point_field_opt->key = "player";
    point_field_opt->label = _("Layer number for points map");

    area_field_opt = G_define_standard_option(G_OPT_V_FIELD);
    area_field_opt->key = "alayer";
    area_field_opt->label = _("Layer number for area map");

    method_opt = G_define_option();
    method_opt->key = "method";
    method_opt->type = TYPE_STRING;
    method_opt->required = NO;
    method_opt->multiple = NO;
    p = G_malloc(1024);
    for (i = 0; menu[i].name; i++) {
	if (i)
	    strcat(p, ",");
	else
	    *p = 0;
	strcat(p, menu[i].name);
    }
    method_opt->options = p;
    method_opt->description = _("Method for aggregate statistics");

    point_column_opt = G_define_standard_option(G_OPT_DB_COLUMN);
    point_column_opt->key = "pcolumn";
    point_column_opt->required = NO;
    point_column_opt->multiple = NO;
    point_column_opt->label =
	_("Column name of points map to use for statistics");
    point_column_opt->description = _("Column of points map must be numeric");

    count_column_opt = G_define_option();
    count_column_opt->key = "ccolumn";
    count_column_opt->type = TYPE_STRING;
    count_column_opt->required = NO;
    count_column_opt->multiple = NO;
    count_column_opt->label = _("Column name to upload points count");
    count_column_opt->description =
	_("Column to hold points count, must be of type integer, will be created if not existing");

    stats_column_opt = G_define_option();
    stats_column_opt->key = "scolumn";
    stats_column_opt->type = TYPE_STRING;
    stats_column_opt->required = NO;
    stats_column_opt->multiple = NO;
    stats_column_opt->label = _("Column name to upload statistics");
    stats_column_opt->description =
	_("Column to hold statistics, must be of type double, will be created if not existing");

    fs_opt = G_define_standard_option(G_OPT_F_SEP);

    print_flag = G_define_flag();
    print_flag->key = 'p';
    print_flag->label =
	_("Print output to stdout, do not update attribute table");
    print_flag->description = _("First column is always area category");

    if (G_parser(argc, argv))
	exit(EXIT_FAILURE);

    point_type = Vect_option_to_types(point_type_opt);

    point_field = atoi(point_field_opt->answer);
    area_field = atoi(area_field_opt->answer);

    if (print_flag->answer)
	/* get field separator */
	    fs = G_option_to_separator(fs_opt);
    else
	    fs = NULL;

    /* check for stats */
    if (method_opt->answer) {
	if (!point_column_opt->answer) {
	    G_fatal_error("Method but no point column selected");
	}
	if (!print_flag->answer && !stats_column_opt->answer)
	    G_fatal_error("Name for stats column is missing");
    }

    if (point_column_opt->answer) {
	if (!method_opt->answer)
	    G_fatal_error("No method for statistics selected");
	if (!print_flag->answer && !stats_column_opt->answer)
	    G_fatal_error("Name for stats column is missing");
    }
    
    /* Open points vector */
    if ((mapset = G_find_vector2(point_opt->answer, "")) == NULL)
	G_fatal_error(_("Vector map <%s> not found"), point_opt->answer);

    Vect_set_open_level(2);
    if (Vect_open_old(&PIn, point_opt->answer, mapset) < 0)
	G_fatal_error(_("Unable to open vector map <%s>"), point_opt->answer);

    /* Open areas vector */
    if ((mapset = G_find_vector2(area_opt->answer, "")) == NULL)
	G_fatal_error(_("Vector map <%s> not found"), area_opt->answer);
    if (!print_flag->answer && strcmp(mapset, G_mapset()) != 0)
	G_fatal_error(_("Vector map <%s> is not in user mapset and cannot be updated"),
		      area_opt->answer);

    Vect_set_open_level(2);
    if (Vect_open_old(&AIn, area_opt->answer, mapset) < 0)
	G_fatal_error(_("Unable to open vector map <%s>"), area_opt->answer);

    method = -1;
    use_catno = 0;
    half = 0;
    if (method_opt->answer) {
	/* get the method */
	for (method = 0; (p = menu[method].name); method++)
	    if ((strcmp(p, method_opt->answer) == 0))
		break;
	if (!p) {
	    G_warning(_("<%s=%s> unknown %s"),
		      method_opt->key, method_opt->answer,
		      method_opt->answer);
	    G_usage();
	    exit(EXIT_FAILURE);
	}

	/* establish the statsvalue routine */
	statsvalue = menu[method].method;

	/* category number of lowest/highest value */
	if ((strcmp(menu[method].name, menu[5].name) == 0) ||
	    (strcmp(menu[method].name, menu[7].name) == 0))
	    use_catno = 1;

	G_debug(1, "method: %s, use cat value: %s", menu[method].name,
		(use_catno == 1 ? "yes" : "no"));
    }

    /* Open database driver */
    db_init_string(&stmt);
    Adriver = NULL;

    if (!print_flag->answer) {

	AFi = Vect_get_field(&AIn, area_field);
	if (AFi == NULL)
	    G_fatal_error(_("Database connection not defined for layer %d"),
			  area_field);

	Adriver = db_start_driver_open_database(AFi->driver, AFi->database);
	if (Adriver == NULL)
	    G_fatal_error(_("Unable to open database <%s> with driver <%s>"),
			  AFi->database, AFi->driver);

	if (!count_column_opt->answer)
	    G_fatal_error(_("ccolumn is required to upload point counts"));

	/* check if count column exists */
	G_debug(1, "check if count column exists");
	db_get_column(Adriver, AFi->table, count_column_opt->answer, &column);
	if (column) {
	    /* check count column type */
	    if (db_column_Ctype(Adriver, AFi->table, count_column_opt->answer)
		!= DB_C_TYPE_INT)
		G_fatal_error(_("ccolumn must be of type integer"));

	    db_free_column(column);
	    column = NULL;
	}
	else {
	    /* create count column */
	    /* db_add_column() exists but is not implemented,
	     * see lib/db/stubs/add_col.c */
	    sprintf(buf, "alter table %s add column %s integer",
	                    AFi->table, count_column_opt->answer);
	    db_set_string(&stmt, buf);
	    if (db_execute_immediate(Adriver, &stmt) != DB_OK)
		G_fatal_error(_("Unable to add column <%s>"),
			      count_column_opt->answer);
	}

	if (method_opt->answer) {
	    if (!stats_column_opt->answer)
		G_fatal_error(_("scolumn is required to upload point stats"));

	    /* check if stats column exists */
	    G_debug(1, "check if stats column exists");
	    db_get_column(Adriver, AFi->table, stats_column_opt->answer,
			  &column);
	    if (column) {
		/* check stats column type */
		if (db_column_Ctype
		    (Adriver, AFi->table,
		     stats_column_opt->answer) != DB_C_TYPE_DOUBLE)
		    G_fatal_error(_("scolumn must be of type double"));

		db_free_column(column);
		column = NULL;
	    }
	    else {
		/* create stats column */
		/* db_add_column() exists but is not implemented,
		 * see lib/db/stubs/add_col.c */
		sprintf(buf, "alter table %s add column %s double",
				AFi->table, stats_column_opt->answer);
		db_set_string(&stmt, buf);
		if (db_execute_immediate(Adriver, &stmt) != DB_OK)
		    G_fatal_error(_("Unable to add column <%s>"),
				  stats_column_opt->answer);
	    }
	}
    }
    else
	AFi = NULL;

    Pdriver = NULL;
    if (method_opt->answer) {

	G_verbose_message(_("collecting attributes from points vector..."));

	PFi = Vect_get_field(&PIn, point_field);
	if (PFi == NULL)
	    G_fatal_error(_("Database connection not defined for layer %d"),
			  point_field);

	Pdriver = db_start_driver_open_database(PFi->driver, PFi->database);
	if (Pdriver == NULL)
	    G_fatal_error(_("Unable to open database <%s> with driver <%s>"),
			  PFi->database, PFi->driver);

	/* check if point column exists */
	db_get_column(Pdriver, PFi->table, point_column_opt->answer, &column);
	if (column) {
	    db_free_column(column);
	    column = NULL;
	}
	else {
	    G_fatal_error(_("Column <%s> not found in table <%s>"),
			  point_column_opt->answer, PFi->table);
	}

	/* Check column type */
	ctype =
	    db_column_Ctype(Pdriver, PFi->table, point_column_opt->answer);

	if (ctype == DB_C_TYPE_INT)
	    half = menu[method].half;
	else if (ctype == DB_C_TYPE_DOUBLE)
	    half = 0;
	else
	    G_fatal_error(_("column for points vector must be numeric"));

	db_CatValArray_init(&cvarr);
	nrec = db_select_CatValArray(Pdriver, PFi->table, PFi->key,
				     point_column_opt->answer, NULL, &cvarr);
	G_debug(1, "selected values = %d", nrec);
	db_close_database_shutdown_driver(Pdriver);
    }

    Points = Vect_new_line_struct();
    ACats = Vect_new_cats_struct();
    PCats = Vect_new_cats_struct();
    List = Vect_new_boxlist(0);

    /* Allocate space ( may be more than needed (duplicate cats and elements without cats) ) */
    if ((nareas = Vect_get_num_areas(&AIn)) <= 0)
	G_fatal_error("No areas in area input vector");

    nacatsalloc = nareas;
    Area_cat = (AREA_CAT *) G_calloc(nacatsalloc, sizeof(AREA_CAT));

    /* Read all cats from 'area' */
    nacats = 0;
    for (area = 1; area <= nareas; area++) {

	Vect_get_area_cats(&AIn, area, ACats);

	if (ACats->n_cats <= 0)
	    continue;
	for (i = 0; i < ACats->n_cats; i++) {

	    if (ACats->field[i] == area_field) {
		Area_cat[nacats].area_cat = ACats->cat[i];
		Area_cat[nacats].count = 0;
		Area_cat[nacats].nvalues = 0;
		Area_cat[nacats].nalloc = 0;
		nacats++;
		if (nacats >= nacatsalloc) {
		    nacatsalloc += 100;
		    Area_cat =
			(AREA_CAT *) G_realloc(Area_cat,
					       nacatsalloc *
					       sizeof(AREA_CAT));
		}
	    }

	}
    }

    G_debug(1, "%d cats loaded from vector (including duplicates)", nacats);

    /* Sort by category */
    qsort((void *)Area_cat, nacats, sizeof(AREA_CAT), cmp_area);

    /* remove duplicate categories */
    for (i = 1; i < nacats; i++) {
	if (Area_cat[i].area_cat == Area_cat[i - 1].area_cat) {
	    for (j = i; j < nacats - 1; j++) {
		Area_cat[j].area_cat = Area_cat[j + 1].area_cat;
	    }
	    nacats--;
	}
    }

    G_debug(1, "%d cats loaded from vector (unique)", nacats);

    /* Go through all areas in area vector and find points in points vector
     * falling into the area */
    npvalcatsalloc = 10;
    npvalcats = 0;
    pvalcats =
	(struct pvalcat *)G_calloc(npvalcatsalloc, sizeof(struct pvalcat));

    G_message(_("Selecting points for each area..."));
    count = 0;
    for (area = 1; area <= nareas; area++) {
	dbCatVal *catval;

	G_debug(3, "area = %d", area);
	G_percent(area, nareas, 2);

	Vect_get_area_cats(&AIn, area, ACats);

	if (ACats->n_cats <= 0)
	    continue;

	/* select points by box */
	Vect_get_area_box(&AIn, area, &box);
	box.T = PORT_DOUBLE_MAX;
	box.B = -PORT_DOUBLE_MAX;

	Vect_select_lines_by_box(&PIn, &box, point_type, List);
	G_debug(4, "%d points selected by box", List->n_values);

	/* For each point in box check if it is in the area */
	for (i = 0; i < List->n_values; i++) {

	    pline = List->id[i];
	    G_debug(4, "%d: point %d", i, pline);

	    ptype = Vect_read_line(&PIn, Points, PCats, pline);
	    if (!(ptype & point_type))
		continue;

	    /* point in area */
	    if (Vect_point_in_area(Points->x[0], Points->y[0], &AIn, area, &box)) {
		AREA_CAT *area_info, search_ai;

		int tmp_cat;

		/* stats on point column */
		if (method_opt->answer) {
		    npvalcats = 0;
		    tmp_cat = -1;
		    for (j = 0; j < PCats->n_cats; j++) {
			if (PCats->field[j] == point_field) {
			    if (tmp_cat >= 0)
				G_debug(3,
					"More cats found in point layer (point=%d)",
					pline);
			    tmp_cat = PCats->cat[j];

			    /* find cat in array */
			    db_CatValArray_get_value(&cvarr, tmp_cat,
						     &catval);

			    if (catval) {
				pvalcats[npvalcats].catno = tmp_cat;
				switch (cvarr.ctype) {
				case DB_C_TYPE_INT:
				    pvalcats[npvalcats].dval = catval->val.i;
				    npvalcats++;
				    break;

				case DB_C_TYPE_DOUBLE:
				    pvalcats[npvalcats].dval = catval->val.d;
				    npvalcats++;
				    break;
				}
				if (npvalcats >= npvalcatsalloc) {
				    npvalcatsalloc += 10;
				    pvalcats =
					(struct pvalcat *)G_realloc(pvalcats,
								    npvalcatsalloc
								    *
								    sizeof
								    (struct
								     pvalcat));
				}
			    }
			}
		    }
		}

		/* update count for all area cats of given field */
		search_ai.area_cat = -1;
		for (j = 0; j < ACats->n_cats; j++) {
		    if (ACats->field[j] == area_field) {
			if (search_ai.area_cat >= 0)
			    G_debug(3,
				    "More cats found in area layer (area=%d)",
				    area);
			search_ai.area_cat = ACats->cat[j];

			/* find cat in array */
			area_info =
			    (AREA_CAT *) bsearch((void *)&search_ai, Area_cat,
						 nacats, sizeof(AREA_CAT),
						 cmp_area);
			if (area_info->area_cat != search_ai.area_cat)
			    G_fatal_error(_("could not find area category %d"),
					  search_ai.area_cat);

			/* each point is counted once, also if it has
			 * more than one category or no category
			 * OK? */
			area_info->count++;

			if (method_opt->answer) {
			    /* ensure enough space */
			    if (area_info->nvalues + npvalcats >=
				area_info->nalloc) {
				if (area_info->nalloc == 0) {
				    area_info->nalloc = npvalcats + 10;
				    area_info->values =
					(double *)G_calloc(area_info->nalloc,
							   sizeof(double));
				    area_info->cats =
					(int *)G_calloc(area_info->nalloc,
							sizeof(int));
				}
				else
				    area_info->nalloc +=
					area_info->nvalues + npvalcats + 10;
				area_info->values =
				    (double *)G_realloc(area_info->values,
							area_info->nalloc *
							sizeof(double));
				area_info->cats =
				    (int *)G_realloc(area_info->cats,
						     area_info->nalloc *
						     sizeof(int));
			    }
			    for (k = 0; k < npvalcats; k++) {
				area_info->cats[area_info->nvalues] =
				    pvalcats[k].catno;
				area_info->values[area_info->nvalues] =
				    pvalcats[k].dval;
				area_info->nvalues++;
			    }
			}
		    }
		}
		count++;
	    }
	}			/* next point in box */
    }				/* next area */

    G_debug(1, "count = %d", count);

    /* release catval array */
    if (method_opt->answer)
	db_CatValArray_free(&cvarr);

    Vect_close(&PIn);

    /* Update table or print to stdout */
    if (print_flag->answer) {	/* print header */
	fprintf(stdout, "area_cat%scount", fs);
	if (method_opt->answer)
	    fprintf(stdout, "%s%s", fs, menu[method].name);
	fprintf(stdout, "\n");
    }
    else {
	G_message("Updating attributes for area vector...");
	update_err = update_ok = 0;
    }
    if (Adriver)
	db_begin_transaction(Adriver);

    for (i = 0; i < nacats; i++) {
	if (!print_flag->answer)
	    G_percent(i, nacats, 2);

	result = 0;

	if (Area_cat[i].count > 0 && method_opt->answer) {
	    /* get stats */
	    statsvalue(&result, Area_cat[i].values, Area_cat[i].nvalues,
			NULL);

	    if (half)
		result += 0.5;
	    else if (use_catno)
		result = Area_cat[i].cats[(int)result];
	}
	if (print_flag->answer) {
	    fprintf(stdout, "%d%s%d", Area_cat[i].area_cat, fs,
		    Area_cat[i].count);
	    if (method_opt->answer) {
		if (Area_cat[i].count > 0)
		    fprintf(stdout, "%s%.15g", fs, result);
		else
		    fprintf(stdout, "%snull", fs);
	    }
	    fprintf(stdout, "\n");
	}
	else {
	    sprintf(buf, "update %s set %s = %d", AFi->table,
		    count_column_opt->answer, Area_cat[i].count);
	    db_set_string(&stmt, buf);
	    if (method_opt->answer) {
		if (Area_cat[i].count > 0)
		    sprintf(buf, " , %s = %.15g", stats_column_opt->answer,
			    result);
		else
		    sprintf(buf, " , %s = null", stats_column_opt->answer);
		db_append_string(&stmt, buf);
	    }
	    sprintf(buf, " where %s = %d", AFi->key, Area_cat[i].area_cat);
	    db_append_string(&stmt, buf);
	    G_debug(2, "SQL: %s", db_get_string(&stmt));
	    if (db_execute_immediate(Adriver, &stmt) == DB_OK) {
		update_ok++;
	    }
	    else {
		update_err++;
	    }

	}
    }
    if (Adriver)
	db_commit_transaction(Adriver);

    if (!print_flag->answer) {
	G_percent(nacats, nacats, 2);
	db_close_database_shutdown_driver(Adriver);
	db_free_string(&stmt);
	G_message(_("%d records updated"), update_ok);
	if (update_err > 0)
	    G_message(_("%d update errors"), update_err);

	Vect_set_db_updated(&AIn);
    }

    Vect_close(&AIn);

    G_done_msg(" ");

    exit(EXIT_SUCCESS);
}
Ejemplo n.º 2
0
Archivo: main.c Proyecto: caomw/grass
int main(int argc, char *argv[])
{
    const char *name;
    const char *mapset;

    long x, y;
    double dx;
    RASTER_MAP_TYPE map_type;
    int i;
    int from_stdin = FALSE;
    struct GModule *module;

    struct
    {
	struct Option *map, *fs, *cats, *vals, *raster, *file, *fmt_str,
	    *fmt_coeff;
    } parm;

    G_gisinit(argv[0]);

    module = G_define_module();
    G_add_keyword(_("raster"));
    G_add_keyword(_("category"));
    module->description =
	_("Manages category values and labels associated "
	  "with user-specified raster map layers.");

    parm.map = G_define_standard_option(G_OPT_R_MAP);

    parm.cats = G_define_standard_option(G_OPT_V_CATS);
    parm.cats->multiple = YES;
    parm.cats->guisection = _("Selection");

    parm.vals = G_define_option();
    parm.vals->key = "vals";
    parm.vals->type = TYPE_DOUBLE;
    parm.vals->multiple = YES;
    parm.vals->required = NO;
    parm.vals->label = _("Comma separated value list");
    parm.vals->description = _("Example: 1.4,3.8,13");
    parm.vals->guisection = _("Selection");

    parm.fs = G_define_standard_option(G_OPT_F_SEP);
    parm.fs->answer = "tab";

    parm.raster = G_define_standard_option(G_OPT_R_INPUT);
    parm.raster->key = "raster";
    parm.raster->required = NO;
    parm.raster->description =
	_("Raster map from which to copy category table");
    parm.raster->guisection = _("Define");

    parm.file = G_define_standard_option(G_OPT_F_INPUT);
    parm.file->key = "rules";
    parm.file->required = NO;
    parm.file->description =
	_("File containing category label rules (or \"-\" to read from stdin)");
    parm.file->guisection = _("Define");

    parm.fmt_str = G_define_option();
    parm.fmt_str->key = "format";
    parm.fmt_str->type = TYPE_STRING;
    parm.fmt_str->required = NO;
    parm.fmt_str->label =
	_("Default label or format string for dynamic labeling");
    parm.fmt_str->description =
	_("Used when no explicit label exists for the category");

    parm.fmt_coeff = G_define_option();
    parm.fmt_coeff->key = "coefficients";
    parm.fmt_coeff->type = TYPE_DOUBLE;
    parm.fmt_coeff->required = NO;
    parm.fmt_coeff->key_desc = "mult1,offset1,mult2,offset2";
    /*    parm.fmt_coeff->answer   = "0.0,0.0,0.0,0.0"; */
    parm.fmt_coeff->label = _("Dynamic label coefficients");
    parm.fmt_coeff->description =
	_("Two pairs of category multiplier and offsets, for $1 and $2");

    if (G_parser(argc, argv))
	exit(EXIT_FAILURE);


    name = parm.map->answer;

    fs = G_option_to_separator(parm.fs);
    
    mapset = G_find_raster2(name, "");
    if (mapset == NULL)
	G_fatal_error(_("Raster map <%s> not found"), name);

    map_type = Rast_map_type(name, mapset);


    /* create category labels */
    if (parm.raster->answer || parm.file->answer ||
	parm.fmt_str->answer || parm.fmt_coeff->answer) {

	/* restrict editing to current mapset */
	if (strcmp(mapset, G_mapset()) != 0)
	    G_fatal_error(_("Raster map <%s> not found in current mapset"),
			  name);

	/* use cats from another map */
	if (parm.raster->answer) {
	    int fd;
	    const char *cmapset;

	    cmapset = G_find_raster2(parm.raster->answer, "");
	    if (cmapset == NULL)
		G_fatal_error(_("Raster map <%s> not found"),
			      parm.raster->answer);

	    fd = Rast_open_old(name, mapset);

	    Rast_init_cats("", &cats);

	    if (0 > Rast_read_cats(parm.raster->answer, cmapset, &cats))
		G_fatal_error(_("Unable to read category file of raster map <%s@%s>"),
			      parm.raster->answer, cmapset);

	    Rast_write_cats(name, &cats);
	    G_message(_("Category table for <%s> set from <%s>"),
		      name, parm.raster->answer);

	    Rast_close(fd);
	}

	/* load cats from rules file */
	if (parm.file->answer) {
	    FILE *fp;
	    char **tokens;
	    int ntokens;
	    char *e1;
	    char *e2;

	    if (strcmp("-", parm.file->answer) == 0) {
		from_stdin = TRUE;
		fp = stdin;
	    }
	    else {
		fp = fopen(parm.file->answer, "r");
		if (!fp)
		    G_fatal_error(_("Unable to open file <%s>"),
				  parm.file->answer);
	    }

	    Rast_init_cats("", &cats);

	    for (;;) {
		char buf[1024];
		DCELL d1, d2;
		int parse_error = 0;

		if (!G_getl2(buf, sizeof(buf), fp))
		    break;

		tokens = G_tokenize(buf, fs);
		ntokens = G_number_of_tokens(tokens);

		if (ntokens == 3) {
		    d1 = strtod(tokens[0], &e1);
		    d2 = strtod(tokens[1], &e2);
		    if (*e1 == 0 && *e2 == 0)
			Rast_set_d_cat(&d1, &d2, tokens[2], &cats);
		    else
			parse_error = 1;
		}
		else if (ntokens == 2) {
		    d1 = strtod(tokens[0], &e1);
		    if (*e1 == 0)
			Rast_set_d_cat(&d1, &d1, tokens[1], &cats);
		    else
			parse_error = 1;
		}
		else if (!strlen(buf))
		    continue;
		else
		    parse_error = 1;

		if (parse_error)
		    G_fatal_error(_("Incorrect format of input rules. "
				    "Check separators. Invalid line is:\n%s"), buf);
	    }
	    G_free_tokens(tokens);
	    Rast_write_cats(name, &cats);

	    if (!from_stdin)
		fclose(fp);
	}

	/* set dynamic cat rules for cats without explicit labels */
	if (parm.fmt_str->answer || parm.fmt_coeff->answer) {
	    char *fmt_str;
	    double m1, a1, m2, a2;

	    /* read existing values */
	    Rast_init_cats("", &cats);

	    if (0 > Rast_read_cats(name, G_mapset(), &cats))
		G_warning(_("Unable to read category file of raster map <%s@%s>"),
			  name, G_mapset());

	    if (parm.fmt_str->answer) {
		fmt_str =
		    G_malloc(strlen(parm.fmt_str->answer) > strlen(cats.fmt)
			     ? strlen(parm.fmt_str->answer) +
			     1 : strlen(cats.fmt) + 1);
		strcpy(fmt_str, parm.fmt_str->answer);
	    }
	    else {
		fmt_str = G_malloc(strlen(cats.fmt) + 1);
		strcpy(fmt_str, cats.fmt);
	    }

	    m1 = cats.m1;
	    a1 = cats.a1;
	    m2 = cats.m2;
	    a2 = cats.a2;

	    if (parm.fmt_coeff->answer) {
		m1 = atof(parm.fmt_coeff->answers[0]);
		a1 = atof(parm.fmt_coeff->answers[1]);
		m2 = atof(parm.fmt_coeff->answers[2]);
		a2 = atof(parm.fmt_coeff->answers[3]);
	    }

	    Rast_set_cats_fmt(fmt_str, m1, a1, m2, a2, &cats);

	    Rast_write_cats(name, &cats);
	}

	Rast_free_cats(&cats);
	exit(EXIT_SUCCESS);
    }
    else {
	if (Rast_read_cats(name, mapset, &cats) < 0)
	    G_fatal_error(_("Unable to read category file of raster map <%s> in <%s>"),
			  name, mapset);
    }

    /* describe the category labels */
    /* if no cats requested, use r.describe to get the cats */
    if (parm.cats->answer == NULL) {
	if (map_type == CELL_TYPE) {
	    get_cats(name, mapset);
	    while (next_cat(&x))
		print_label(x);
	    exit(EXIT_SUCCESS);
	}
    }
    else {
	if (map_type != CELL_TYPE)
	    G_warning(_("The map is floating point! Ignoring cats list, using vals list"));
	else {			/* integer map */

	    for (i = 0; parm.cats->answers[i]; i++)
		if (!scan_cats(parm.cats->answers[i], &x, &y)) {
		    G_usage();
		    exit(EXIT_FAILURE);
		}
	    for (i = 0; parm.cats->answers[i]; i++) {
		scan_cats(parm.cats->answers[i], &x, &y);
		while (x <= y)
		    print_label(x++);
	    }
	    exit(EXIT_SUCCESS);
	}
    }
    if (parm.vals->answer == NULL)
	G_fatal_error(_("vals argument is required for floating point map!"));
    for (i = 0; parm.vals->answers[i]; i++)
	if (!scan_vals(parm.vals->answers[i], &dx)) {
	    G_usage();
	    exit(EXIT_FAILURE);
	}
    for (i = 0; parm.vals->answers[i]; i++) {
	scan_vals(parm.vals->answers[i], &dx);
	print_d_label(dx);
    }
    exit(EXIT_SUCCESS);
}
Ejemplo n.º 3
0
Archivo: main.c Proyecto: caomw/grass
int main(int argc, char *argv[])
{
    int n, i;
    int skip;
    const char *cur_mapset, *mapset;
    char **ptr;
    char **tokens;
    int no_tokens;
    FILE *fp;
    char path_buf[GPATH_MAX];
    char *path, *fs;
    int operation, nchoices;
    
    char **mapset_name;
    int nmapsets;
    
    struct GModule *module;    
    struct _opt {
        struct Option *mapset, *op, *fs;
        struct Flag *print, *list, *dialog;
    } opt;

    G_gisinit(argv[0]);

    module = G_define_module();
    G_add_keyword(_("general"));
    G_add_keyword(_("settings"));
    G_add_keyword(_("search path"));
    module->label = _("Modifies/prints the user's current mapset search path.");
    module->description = _("Affects the user's access to data existing "
                            "under the other mapsets in the current location.");

    opt.mapset = G_define_standard_option(G_OPT_M_MAPSET);
    opt.mapset->required = YES;
    opt.mapset->multiple = YES;
    opt.mapset->description = _("Name(s) of existing mapset(s) to add/remove or set");
    opt.mapset->guisection = _("Search path");
    
    opt.op = G_define_option();
    opt.op->key = "operation";
    opt.op->type = TYPE_STRING;
    opt.op->required = YES;
    opt.op->multiple = NO;
    opt.op->options = "set,add,remove";
    opt.op->description = _("Operation to be performed");
    opt.op->guisection = _("Search path");
    opt.op->answer = "add";
    
    opt.fs = G_define_standard_option(G_OPT_F_SEP);
    opt.fs->label = _("Field separator for printing (-l and -p flags)");
    opt.fs->answer = "space";
    opt.fs->guisection = _("Print");
    
    opt.list = G_define_flag();
    opt.list->key = 'l';
    opt.list->description = _("List all available mapsets in alphabetical order");
    opt.list->guisection = _("Print");
    opt.list->suppress_required = YES;

    opt.print = G_define_flag();
    opt.print->key = 'p';
    opt.print->description = _("Print mapsets in current search path");
    opt.print->guisection = _("Print");
    opt.print->suppress_required = YES;

    opt.dialog = G_define_flag();
    opt.dialog->key = 's';
    opt.dialog->description = _("Launch mapset selection GUI dialog");
    opt.dialog->suppress_required = YES;
    
    path = NULL;
    mapset_name = NULL;
    nmapsets = nchoices = 0;

    if (G_parser(argc, argv))
        exit(EXIT_FAILURE);

    operation = OP_UKN;
    if (opt.mapset->answer && opt.op->answer) {
        switch(opt.op->answer[0]) {
        case 's':
            operation = OP_SET;
            break;
        case 'a':
            operation = OP_ADD;
            break;
        case 'r':
            operation = OP_REM;
            break;
        default:
            G_fatal_error(_("Unknown operation '%s'"), opt.op->answer);
            break;
        }
    }
    
    fs = G_option_to_separator(opt.fs);

    /* list available mapsets */
    if (opt.list->answer) {
        if (opt.print->answer)
            G_warning(_("Flag -%c ignored"), opt.print->key);
        if (opt.dialog->answer)
            G_warning(_("Flag -%c ignored"), opt.dialog->key);
        if (opt.mapset->answer)
            G_warning(_("Option <%s> ignored"), opt.mapset->key);
        mapset_name = get_available_mapsets(&nmapsets);
        list_available_mapsets((const char **)mapset_name, nmapsets, fs);
        exit(EXIT_SUCCESS);
    }

    if (opt.print->answer) {
        if (opt.dialog->answer)
            G_warning(_("Flag -%c ignored"), opt.dialog->key);
        if (opt.mapset->answer)
            G_warning(_("Option <%s> ignored"), opt.mapset->key);
        list_accessible_mapsets(fs);
        exit(EXIT_SUCCESS);
    }
    
    /* show GUI dialog */
    if (opt.dialog->answer) {
        if (opt.mapset->answer)
            G_warning(_("Option <%s> ignored"), opt.mapset->key);
        sprintf(path_buf, "%s/gui/wxpython/modules/mapsets_picker.py", G_gisbase());
        G_spawn(getenv("GRASS_PYTHON"), "mapsets_picker.py", path_buf, NULL);
        exit(EXIT_SUCCESS);
    }

    cur_mapset = G_mapset();
    
    /* modify search path */
    if (operation == OP_SET) {
        int cur_found;
        
        cur_found = FALSE;
        for (ptr = opt.mapset->answers; *ptr != NULL; ptr++) {
            mapset = substitute_mapset(*ptr);
            if (G__mapset_permissions(mapset) < 0)
                G_fatal_error(_("Mapset <%s> not found"), mapset);
            if (strcmp(mapset, cur_mapset) == 0)
                cur_found = TRUE;
            nchoices++;
            append_mapset(&path, mapset);
        }
        if (!cur_found)
            G_warning(_("Current mapset (<%s>) must always included in the search path"),
                      cur_mapset);
    }
    else if (operation == OP_ADD) {
        /* add to existing search path */
        const char *oldname;
        
        if (path) {
            G_free(path);
            path = NULL;
        }

        /* read existing mapsets from SEARCH_PATH */
        for (n = 0; (oldname = G_get_mapset_name(n)); n++)
            append_mapset(&path, oldname);

        /* fetch and add new mapsets from param list */
        for (ptr = opt.mapset->answers; *ptr != NULL; ptr++) {

            mapset = substitute_mapset(*ptr);

            if (G_is_mapset_in_search_path(mapset)) {
                G_message(_("Mapset <%s> already in the path"), mapset);
                continue;
            }
            
            if (G__mapset_permissions(mapset) < 0)
                G_fatal_error(_("Mapset <%s> not found"), mapset);
            else
                G_verbose_message(_("Mapset <%s> added to search path"),
                                  mapset);

            nchoices++;
            append_mapset(&path, mapset);
        }
    }
    else if (operation == OP_REM) {
        /* remove from existing search path */
        const char *oldname;
        int found;
        
        if (path) {
            G_free(path);
            path = NULL;
        }
        
        /* read existing mapsets from SEARCH_PATH */
        for (n = 0; (oldname = G_get_mapset_name(n)); n++) {
            found = FALSE;
            
            for (ptr = opt.mapset->answers; *ptr && !found; ptr++)

                mapset = substitute_mapset(*ptr);
            
                if (strcmp(oldname, mapset) == 0)
                    found = TRUE;
            
                if (found) {
                    if (strcmp(oldname, cur_mapset) == 0)
                        G_warning(_("Current mapset (<%s>) must always included in the search path"),
                                  cur_mapset);
                    else
                        G_verbose_message(_("Mapset <%s> removed from search path"),
                                          oldname);
                    continue;
                }
                
                nchoices++;
                append_mapset(&path, oldname);
        }
    }
    /* stuffem sets nchoices */

    if (nchoices == 0) {
        G_important_message(_("Search path not modified"));
        if (path)
            G_free(path);
        
        if (nmapsets) {
            for(nmapsets--; nmapsets >= 0; nmapsets--)
                G_free(mapset_name[nmapsets]);
            G_free(mapset_name);
        }
        
        exit(EXIT_SUCCESS);
    }
    
    /* note I'm assuming that mapsets cannot have ' 's in them */
    tokens = G_tokenize(path, " ");

    fp = G_fopen_new("", "SEARCH_PATH");
    if (!fp)
        G_fatal_error(_("Unable to open SEARCH_PATH for write"));

    /*
     * make sure current mapset is specified in the list if not add it
     * to the head of the list
     */
    
    skip = 0;
    for (n = 0; n < nchoices; n++)
        if (strcmp(cur_mapset, tokens[n]) == 0) {
            skip = 1;
            break;
        }
    if (!skip) {
        fprintf(fp, "%s\n", cur_mapset);
    }

    /*
     * output the list, removing duplicates
     */

    no_tokens = G_number_of_tokens(tokens);

    for (n = 0; n < no_tokens; n++) {
        skip = 0;
        for (i = n; i < no_tokens; i++) {
            if (i != n) {
                if (strcmp(tokens[i], tokens[n]) == 0)
                    skip = 1;
            }
        }

        if (!skip)
            fprintf(fp, "%s\n", tokens[n]);
    }

    fclose(fp);
    G_free_tokens(tokens);

    if (path)
        G_free(path);

    if (nmapsets) {
        for(nmapsets--; nmapsets >= 0; nmapsets--)
            G_free(mapset_name[nmapsets]);
        G_free(mapset_name);
    }

    exit(EXIT_SUCCESS);
}
Ejemplo n.º 4
0
Archivo: main.c Proyecto: caomw/grass
void parse_command_line(int argc, char **argv)
{
    struct Option *driver, *database, *table, *sql,
      *fs, *vs, *nv, *input, *output;
    struct Flag *c, *d, *v, *flag_test;
    struct GModule *module;
    const char *drv, *db;

    /* Initialize the GIS calls */
    G_gisinit(argv[0]);

    sql = G_define_standard_option(G_OPT_DB_SQL);
    sql->guisection = _("Query");

    input = G_define_standard_option(G_OPT_F_INPUT);
    input->required = NO;
    input->label = _("Name of file containing SQL select statement(s)");
    input->description = _("'-' for standard input");
    input->guisection = _("Query");
    
    table = G_define_standard_option(G_OPT_DB_TABLE);
    table->description = _("Name of table to query");
    table->guisection = _("Query");

    driver = G_define_standard_option(G_OPT_DB_DRIVER);
    driver->options = db_list_drivers();
    if ((drv = db_get_default_driver_name()))
	driver->answer = (char *) drv;
    driver->guisection = _("Connection");

    database = G_define_standard_option(G_OPT_DB_DATABASE);
    if ((db = db_get_default_database_name()))
	database->answer = (char *) db;
    database->guisection = _("Connection");
    
    fs = G_define_standard_option(G_OPT_F_SEP);
    fs->guisection = _("Format");

    vs = G_define_standard_option(G_OPT_F_SEP);
    vs->key = "vseparator";
    vs->label = _("Vertical record separator (requires -v flag)");
    vs->answer = NULL;
    vs->guisection = _("Format");

    nv = G_define_option();
    nv->key = "nv";
    nv->type = TYPE_STRING;
    nv->required = NO;
    nv->description = _("Null value indicator");
    nv->guisection = _("Format");

    output = G_define_standard_option(G_OPT_F_OUTPUT); 
    output->required = NO; 
    output->description = 
	_("Name for output file (if omitted or \"-\" output to stdout)"); 
    
    c = G_define_flag();
    c->key = 'c';
    c->description = _("Do not include column names in output");
    c->guisection = _("Format");

    d = G_define_flag();
    d->key = 'd';
    d->description = _("Describe query only (don't run it)");
    d->guisection = _("Query");

    v = G_define_flag();
    v->key = 'v';
    v->description = _("Vertical output (instead of horizontal)");
    v->guisection = _("Format");

    flag_test = G_define_flag();
    flag_test->key = 't';
    flag_test->description = _("Only test query, do not execute");
    flag_test->guisection = _("Query");

    /* Set description */
    module = G_define_module();
    G_add_keyword(_("database"));
    G_add_keyword(_("attribute table"));
    G_add_keyword(_("SQL"));
    module->label = _("Selects data from attribute table.");
    module->description = _("Performs SQL query statement(s).");

    if (G_parser(argc, argv))
	exit(EXIT_FAILURE);

    parms.driver = driver->answer;
    parms.database = database->answer;
    parms.table = table->answer;
    parms.sql = sql->answer;
    parms.fs = G_option_to_separator(fs);
    parms.vs = '\0';
    if (vs->answer)
	parms.vs = G_option_to_separator(vs);
    parms.nv = nv->answer;
    parms.input = input->answer;
    parms.output = output->answer;

    if (!c->answer)
	parms.c = TRUE;
    else
	parms.c = FALSE;
    parms.d = d->answer;
    if (!v->answer)
	parms.h = TRUE;
    else
	parms.h = FALSE;

    parms.test_only = flag_test->answer;
    
    if (parms.input && *parms.input == 0) {
	G_usage();
	exit(EXIT_FAILURE);
    }
    
    if (!parms.input && !parms.sql && !parms.table)
        G_fatal_error(_("You must provide one of these options: <%s>, <%s>, or <%s>"),
                      sql->key, input->key, table->key);
}
Ejemplo n.º 5
0
Archivo: main.c Proyecto: lazaa32/SoC16
int main(int argc, char **argv)
{
    struct GModule *module;
//    struct Option *opt_input, *opt_sep;
    struct Option *opt_at, *opt_cols, *opt_font, *opt_fontsize,
            *opt_fontcolor, *opt_title, *opt_tit_font, *opt_tit_fontsize, *opt_sub_font,
            *opt_sub_fontsize, *opt_bcolor, *opt_bgcolor, *opt_symb_size,
            *opt_bg_width, *opt_output, *opt_input, *opt_sep;
    struct Flag *fl_bg;

    double LL, LT;
    char *title, *file_name;
    int bcolor, bgcolor, do_bg;
    int fontsize, fontcolor, tit_size, sub_size;
    char *font, *tit_font, *sub_font;
    int cols, symb_size, bg_width;
    char *out_file;
    FILE *source;
    char buf[BUFFSIZE];
    char *sep;
    size_t nread;


    /* Initialize the GIS calls */
    G_gisinit(argv[0]);

    module = G_define_module();
    G_add_keyword(_("display"));
    G_add_keyword(_("cartography"));
    G_add_keyword(_("vector"));
    G_add_keyword(_("legend"));
    module->description =
    _("Displays a vector legend "
      "in the active graphics frame.");

    opt_at = G_define_option();
    opt_at->key = "at";
    opt_at->key_desc = "left,top";
    opt_at->type = TYPE_DOUBLE;
    opt_at->options = "0-100";
    opt_at->answer = "10,40";
    opt_at->required = NO;
    opt_at->description =
    _("Screen position of legend to be drawn (percentage, [0,0] is lower left)");

    opt_cols = G_define_option();
    opt_cols->key = "columns";
    opt_cols->type = TYPE_INTEGER;
    opt_cols->answer = "1";
    opt_cols->required = NO;
    opt_cols->description =
    _("Number of legend columns");
    opt_cols->guisection = _("Layout");

    opt_title = G_define_option();
    opt_title->key = "title";
    opt_title->type = TYPE_STRING;
    opt_title->required = NO;
    opt_title->description = _("Legend title");
    opt_title->guisection = _("Title");

    opt_symb_size = G_define_option();
    opt_symb_size->key = "symbol_size";
    opt_symb_size->type = TYPE_INTEGER;
    opt_symb_size->required = NO;
    opt_symb_size->description = _("Symbol size");
    opt_symb_size->answer = "20";
    opt_symb_size->guisection = _("Layout");

    opt_bcolor = G_define_standard_option(G_OPT_CN);
    opt_bcolor->key = "border_color";
    opt_bcolor->answer = "black";
    opt_bcolor->label = _("Border color");
    opt_bcolor->guisection = _("Background");

    opt_bgcolor = G_define_standard_option(G_OPT_CN);
    opt_bgcolor->key = "bgcolor";
    opt_bgcolor->answer = "white";
    opt_bgcolor->label = _("Background color");
    opt_bgcolor->guisection = _("Background");

    opt_bg_width = G_define_option();
    opt_bg_width->type = TYPE_INTEGER;
    opt_bg_width->key = "border_width";
    opt_bg_width->answer = "2";
    opt_bg_width->label = _("Background border width");
    opt_bg_width->guisection = _("Background");

    opt_font = G_define_option();
    opt_font->key = "font";
    opt_font->type = TYPE_STRING;
    opt_font->required = NO;
    opt_font->description = _("Font name");
    opt_font->guisection = _("Font settings");

    opt_fontsize = G_define_option();
    opt_fontsize->key = "fontsize";
    opt_fontsize->type = TYPE_DOUBLE;
    opt_fontsize->required = NO;
    opt_fontsize->options = "1-360";
    opt_fontsize->label = _("Font size");
    opt_fontsize->description = _("Default: 12");
    opt_fontsize->guisection = _("Font settings");

    opt_tit_font = G_define_option();
    opt_tit_font->key = "title_font";
    opt_tit_font->type = TYPE_STRING;
    opt_tit_font->required = NO;
    opt_tit_font->description = _("Title font name");
    opt_tit_font->guisection = _("Font settings");

    opt_tit_fontsize = G_define_option();
    opt_tit_fontsize->key = "title_fontsize";
    opt_tit_fontsize->type = TYPE_DOUBLE;
    opt_tit_fontsize->required = NO;
    opt_tit_fontsize->options = "1-360";
    opt_tit_fontsize->label = _("Title font size");
    opt_tit_fontsize->description = _("Default: 18");
    opt_tit_fontsize->guisection = _("Title");

    opt_sub_font = G_define_option();
    opt_sub_font->key = "sub_font";
    opt_sub_font->type = TYPE_STRING;
    opt_sub_font->required = NO;
    opt_sub_font->description = _("Subtitle font name");
    opt_sub_font->guisection = _("Font settings");

    opt_sub_fontsize = G_define_option();
    opt_sub_fontsize->key = "sub_fontsize";
    opt_sub_fontsize->type = TYPE_DOUBLE;
    opt_sub_fontsize->required = NO;
    opt_sub_fontsize->options = "1-360";
    opt_sub_fontsize->label = _("Subtitle font size");
    opt_sub_fontsize->description = _("Default: 14");
    opt_sub_fontsize->guisection = _("Font settings");

    opt_fontcolor = G_define_standard_option(G_OPT_C);
    opt_fontcolor->key = "fontcolor";
    opt_fontcolor->answer = "black";
    opt_fontcolor->label = _("Font color");
    opt_fontcolor->guisection = _("Font settings");

    fl_bg = G_define_flag();
    fl_bg->key = 'b';
    fl_bg->description = _("Display legend background");
    fl_bg->guisection = _("Background");

    opt_input = G_define_standard_option(G_OPT_F_INPUT);
    opt_input->label = _("Input legend file");
    opt_input->description = _("Path to legend file ");
    opt_input->required = NO;
    opt_input->guisection = _("In/Out");

    opt_output = G_define_standard_option(G_OPT_F_OUTPUT);
    opt_output->label = _("Output csv file");
    opt_output->description = _("Path to output file or '-' "
                                "for standard output");
    opt_output->required = NO;
    opt_output->guisection = _("In/Out");

    opt_sep = G_define_standard_option(G_OPT_F_SEP);
    opt_sep->guisection = _("In/Out");

    /* Check command line */
    if (G_parser(argc, argv)) {
        exit(EXIT_FAILURE);
    }

    D_open_driver();
    D_setup_unity(0);

    /* parse and check options and flags */
    if (opt_at->answer) {
        sscanf(opt_at->answers[0], "%lf", &LL);
        sscanf(opt_at->answers[1], "%lf", &LT);
    }
    else {
        LL = 10;
        LT = 40;
    }

    if (opt_title->answer)
        title = opt_title->answer;
    else
        title = "";

    if (opt_cols->answer)
        sscanf(opt_cols->answer, "%d", &cols);
    else
        cols = 1;

    sscanf(opt_symb_size->answer, "%d", &symb_size);
    sscanf(opt_bg_width->answer, "%d", &bg_width);

    /* Background */
    do_bg = fl_bg->answer;
    bcolor = D_parse_color(opt_bcolor->answer, TRUE);
    bgcolor = D_parse_color(opt_bgcolor->answer, TRUE);

    /* Font settings */
    if (opt_font->answer)
        font = opt_font->answer;
    else
        font = "sans";
    if (opt_fontsize->answer != NULL)
        sscanf(opt_fontsize->answer, "%d", &fontsize);
    else
        fontsize = 14;

    if (opt_tit_font->answer)
        tit_font = opt_tit_font->answer;
    else
        tit_font = font;
    if (opt_tit_fontsize->answer)
        sscanf(opt_tit_fontsize->answer, "%d", &tit_size);
    else
        tit_size = fontsize;

    if (opt_sub_font->answer)
        sub_font = opt_sub_font->answer;
    else
        sub_font = font;
    if (opt_sub_fontsize->answer)
        sscanf(opt_sub_fontsize->answer, "%d", &sub_size);
    else
        sub_size = fontsize;

    fontcolor = D_parse_color(opt_fontcolor->answer, FALSE); /*default color: black */

    /* I/O */
    sep = G_option_to_separator(opt_sep);

    if (opt_input->answer) {
        file_name = opt_input->answer;
        if (!file_name)
            G_fatal_error(_("Unable to open input file <%s>"), file_name);
    }
    else {
        file_name = getenv("GRASS_LEGEND_FILE");
        if (!file_name)
            G_fatal_error("No legend file defined.");
    }


    if (opt_output->answer) {
        if (strcmp(opt_output->answer,"-") == 0) {
            source = fopen(file_name, "r");
            if (!source)
                G_fatal_error(_("Unable to open input file <%s>"), file_name);
            while ((nread = fread(buf, 1, sizeof(buf), source)))
                fwrite(buf, 1, nread, stdout);
            fclose(source);
        }
        else {
            out_file = opt_output->answer;
            G_copy_file(file_name, out_file);
        }
    }

    /* Pre-calculate the layout */
    if (do_bg)
        draw(file_name, LL, LT, title, cols, bgcolor, bcolor, bg_width, 1, tit_font, tit_size, sub_font, sub_size, font, fontsize, fontcolor, symb_size, sep);

    /* Draw legend */
    draw(file_name, LL, LT, title, cols, bgcolor, bcolor, bg_width, 0, tit_font, tit_size, sub_font, sub_size, font, fontsize, fontcolor, symb_size, sep);

    D_close_driver();

    exit(EXIT_SUCCESS);
}