def load_coverage(conf): if 'ogr_datasource' in conf: require_geom_support() srs = conf['ogr_srs'] datasource = conf['ogr_datasource'] if not re.match(r'^\w{2,}:', datasource): # looks like a file and not PG:, MYSQL:, etc # make absolute path datasource = abspath(datasource) where = conf.get('ogr_where', None) geom = load_datasource(datasource, where) bbox, geom = build_multipolygon(geom, simplify=True) elif 'polygons' in conf: require_geom_support() srs = conf['polygons_srs'] geom = load_polygons(abspath(conf['polygons'])) bbox, geom = build_multipolygon(geom, simplify=True) else: srs = conf['bbox_srs'] bbox = conf['bbox'] if isinstance(bbox, basestring): bbox = map(float, bbox.split(',')) geom = None return coverage(geom or bbox, SRS(srs))
def load_coverage(conf): if "ogr_datasource" in conf: require_geom_support() srs = conf["ogr_srs"] datasource = conf["ogr_datasource"] if not re.match(r"^\w{2,}:", datasource): # looks like a file and not PG:, MYSQL:, etc # make absolute path datasource = abspath(datasource) where = conf.get("ogr_where", None) geom = load_datasource(datasource, where) bbox, geom = build_multipolygon(geom, simplify=True) elif "polygons" in conf: require_geom_support() srs = conf["polygons_srs"] geom = load_polygons(abspath(conf["polygons"])) bbox, geom = build_multipolygon(geom, simplify=True) else: srs = conf["bbox_srs"] bbox = conf["bbox"] if isinstance(bbox, basestring): bbox = map(float, bbox.split(",")) geom = None return coverage(geom or bbox, SRS(srs))
def load_limited_to(limited_to): require_geom_support() srs = SRS(limited_to['srs']) geom = limited_to['geometry'] if not hasattr(geom, 'type'): # not a Shapely geometry if isinstance(geom, (list, tuple)): geom = bbox_polygon(geom) else: polygons = load_polygon_lines(geom.split('\n')) if len(polygons) == 1: geom = polygons[0] else: geom = shapely.geometry.MultiPolygon(polygons) return GeomCoverage(geom, srs, clip=True)
def load_coverage(conf): if 'ogr_datasource' in conf: require_geom_support() srs = conf['ogr_srs'] datasource = conf['ogr_datasource'] if not re.match(r'^\w{2,}:', datasource): # looks like a file and not PG:, MYSQL:, etc # make absolute path datasource = abspath(datasource) where = conf.get('ogr_where', None) bbox, geom = load_datasource(datasource, where) elif 'polygons' in conf: require_geom_support() srs = conf['polygons_srs'] bbox, geom = load_polygons(abspath(conf['polygons'])) else: srs = conf['bbox_srs'] bbox = conf['bbox'] if isinstance(bbox, basestring): bbox = map(float, bbox.split(',')) geom = None return coverage(geom or bbox, SRS(srs))
def load_coverage(conf, base_path=None): if 'ogr_datasource' in conf: require_geom_support() srs = conf['ogr_srs'] datasource = conf['ogr_datasource'] if not re.match(r'^\w{2,}:', datasource): # looks like a file and not PG:, MYSQL:, etc # make absolute path datasource = abspath(datasource, base_path=base_path) where = conf.get('ogr_where', None) geom = load_ogr_datasource(datasource, where) bbox, geom = build_multipolygon(geom, simplify=True) elif 'polygons' in conf: require_geom_support() srs = conf['polygons_srs'] geom = load_polygons(abspath(conf['polygons'], base_path=base_path)) bbox, geom = build_multipolygon(geom, simplify=True) elif 'bbox' in conf: srs = conf.get('bbox_srs') or conf['srs'] bbox = conf['bbox'] if isinstance(bbox, string_type): bbox = [float(x) for x in bbox.split(',')] geom = None elif 'datasource' in conf: require_geom_support() datasource = conf['datasource'] srs = conf['srs'] if isinstance(datasource, (list, tuple)): bbox = datasource geom = None elif bbox_string_re.match(datasource): bbox = [float(x) for x in datasource.split(',')] geom = None else: if not re.match(r'^\w{2,}:', datasource): # looks like a file and not PG:, MYSQL:, etc # make absolute path datasource = abspath(datasource, base_path=base_path) where = conf.get('where', None) geom = load_datasource(datasource, where) bbox, geom = build_multipolygon(geom, simplify=True) else: return None return coverage(geom or bbox, SRS(srs))
def load_coverage(conf, base_path=None): clip = False if 'clip' in conf: clip = conf['clip'] if 'union' in conf: parts = [] for cov in conf['union']: parts.append(load_coverage(cov)) return union_coverage(parts, clip=clip) elif 'intersection' in conf: parts = [] for cov in conf['intersection']: parts.append(load_coverage(cov)) return intersection_coverage(parts, clip=clip) elif 'difference' in conf: parts = [] for cov in conf['difference']: parts.append(load_coverage(cov)) return diff_coverage(parts, clip=clip) elif 'ogr_datasource' in conf: require_geom_support() srs = conf['ogr_srs'] datasource = conf['ogr_datasource'] if not re.match(r'^\w{2,}:', datasource): # looks like a file and not PG:, MYSQL:, etc # make absolute path datasource = abspath(datasource, base_path=base_path) where = conf.get('ogr_where', None) geom = load_ogr_datasource(datasource, where) bbox, geom = build_multipolygon(geom, simplify=True) elif 'polygons' in conf: require_geom_support() srs = conf['polygons_srs'] geom = load_polygons(abspath(conf['polygons'], base_path=base_path)) bbox, geom = build_multipolygon(geom, simplify=True) elif 'bbox' in conf: srs = conf.get('bbox_srs') or conf['srs'] bbox = conf['bbox'] if isinstance(bbox, string_type): bbox = [float(x) for x in bbox.split(',')] geom = None elif 'datasource' in conf: require_geom_support() datasource = conf['datasource'] srs = conf['srs'] if isinstance(datasource, (list, tuple)): bbox = datasource geom = None elif bbox_string_re.match(datasource): bbox = [float(x) for x in datasource.split(',')] geom = None else: if not re.match(r'^\w{2,}:', datasource): # looks like a file and not PG:, MYSQL:, etc # make absolute path datasource = abspath(datasource, base_path=base_path) where = conf.get('where', None) geom = load_datasource(datasource, where) bbox, geom = build_multipolygon(geom, simplify=True) elif 'expire_tiles' in conf: require_geom_support() filename = abspath(conf['expire_tiles']) geom = load_expire_tiles(filename) _, geom = build_multipolygon(geom, simplify=False) return coverage(geom, SRS(3857)) else: return None return coverage(geom or bbox, SRS(srs), clip=clip)