morph_from_esri = void_output(lgdal.OSRMorphFromESRI, [c_void_p]) # Identifying the EPSG identify_epsg = void_output(lgdal.OSRAutoIdentifyEPSG, [c_void_p]) # Getting the angular_units, linear_units functions linear_units = units_func(lgdal.OSRGetLinearUnits) angular_units = units_func(lgdal.OSRGetAngularUnits) # For exporting to WKT, PROJ.4, "Pretty" WKT, and XML. to_wkt = string_output(std_call('OSRExportToWkt'), [c_void_p, POINTER(c_char_p)]) to_proj = string_output(std_call('OSRExportToProj4'), [c_void_p, POINTER(c_char_p)]) to_pretty_wkt = string_output(std_call('OSRExportToPrettyWkt'), [c_void_p, POINTER(c_char_p), c_int], offset=-2) # Memory leak fixed in GDAL 1.5; still exists in 1.4. to_xml = string_output(lgdal.OSRExportToXML, [c_void_p, POINTER(c_char_p), c_char_p], offset=-2) # String attribute retrival routines. get_attr_value = const_string_output(std_call('OSRGetAttrValue'), [c_void_p, c_char_p, c_int]) get_auth_name = const_string_output(lgdal.OSRGetAuthorityName, [c_void_p, c_char_p]) get_auth_code = const_string_output(lgdal.OSRGetAuthorityCode, [c_void_p, c_char_p]) # SRS Properties isgeographic = int_output(lgdal.OSRIsGeographic, [c_void_p]) islocal = int_output(lgdal.OSRIsLocal, [c_void_p]) isprojected = int_output(lgdal.OSRIsProjected, [c_void_p]) # Coordinate transformation new_ct= srs_output(std_call('OCTNewCoordinateTransformation'), [c_void_p, c_void_p]) destroy_ct = void_output(std_call('OCTDestroyCoordinateTransformation'), [c_void_p], errcheck=False)
geom_intersection = geom_output(lgdal.OGR_G_Intersection, [c_void_p, c_void_p]) geom_sym_diff = geom_output(lgdal.OGR_G_SymmetricDifference, [c_void_p, c_void_p]) geom_union = geom_output(lgdal.OGR_G_Union, [c_void_p, c_void_p]) # Geometry modification routines. add_geom = void_output(lgdal.OGR_G_AddGeometry, [c_void_p, c_void_p]) import_wkt = void_output(lgdal.OGR_G_ImportFromWkt, [c_void_p, POINTER(c_char_p)]) # Destroys a geometry destroy_geom = void_output(lgdal.OGR_G_DestroyGeometry, [c_void_p], errcheck=False) # Geometry export routines. to_wkb = void_output(lgdal.OGR_G_ExportToWkb, None, errcheck=True) # special handling for WKB. to_wkt = string_output(lgdal.OGR_G_ExportToWkt, [c_void_p, POINTER(c_char_p)]) to_gml = string_output(lgdal.OGR_G_ExportToGML, [c_void_p], str_result=True) get_wkbsize = int_output(lgdal.OGR_G_WkbSize, [c_void_p]) # Geometry spatial-reference related routines. assign_srs = void_output(lgdal.OGR_G_AssignSpatialReference, [c_void_p, c_void_p], errcheck=False) get_geom_srs = srs_output(lgdal.OGR_G_GetSpatialReference, [c_void_p]) # Geometry properties get_area = double_output(lgdal.OGR_G_GetArea, [c_void_p]) get_centroid = void_output(lgdal.OGR_G_Centroid, [c_void_p, c_void_p]) get_dims = int_output(lgdal.OGR_G_GetDimension, [c_void_p]) get_coord_dim = int_output(lgdal.OGR_G_GetCoordinateDimension, [c_void_p]) set_coord_dim = void_output(lgdal.OGR_G_SetCoordinateDimension, [c_void_p, c_int], errcheck=False) get_geom_count = int_output(lgdal.OGR_G_GetGeometryCount, [c_void_p]) get_geom_name = const_string_output(lgdal.OGR_G_GetGeometryName, [c_void_p]) get_geom_type = int_output(lgdal.OGR_G_GetGeometryType, [c_void_p])
OGR_Fld_* routines are relevant here. """ from ctypes import c_char_p, c_double, c_int, c_long, c_void_p, POINTER from djangocg.contrib.gis.gdal.envelope import OGREnvelope from djangocg.contrib.gis.gdal.libgdal import lgdal from djangocg.contrib.gis.gdal.prototypes.generation import (const_string_output, double_output, geom_output, int_output, srs_output, void_output, voidptr_output) c_int_p = POINTER(c_int) # shortcut type ### Driver Routines ### register_all = void_output(lgdal.OGRRegisterAll, [], errcheck=False) cleanup_all = void_output(lgdal.OGRCleanupAll, [], errcheck=False) get_driver = voidptr_output(lgdal.OGRGetDriver, [c_int]) get_driver_by_name = voidptr_output(lgdal.OGRGetDriverByName, [c_char_p]) get_driver_count = int_output(lgdal.OGRGetDriverCount, []) get_driver_name = const_string_output(lgdal.OGR_Dr_GetName, [c_void_p]) ### DataSource ### open_ds = voidptr_output(lgdal.OGROpen, [c_char_p, c_int, POINTER(c_void_p)]) destroy_ds = void_output(lgdal.OGR_DS_Destroy, [c_void_p], errcheck=False) release_ds = void_output(lgdal.OGRReleaseDataSource, [c_void_p]) get_ds_name = const_string_output(lgdal.OGR_DS_GetName, [c_void_p]) get_layer = voidptr_output(lgdal.OGR_DS_GetLayer, [c_void_p, c_int]) get_layer_by_name = voidptr_output(lgdal.OGR_DS_GetLayerByName, [c_void_p, c_char_p]) get_layer_count = int_output(lgdal.OGR_DS_GetLayerCount, [c_void_p]) ### Layer Routines ### get_extent = void_output(lgdal.OGR_L_GetExtent, [c_void_p, POINTER(OGREnvelope), c_int]) get_feature = voidptr_output(lgdal.OGR_L_GetFeature, [c_void_p, c_long]) get_feature_count = int_output(lgdal.OGR_L_GetFeatureCount, [c_void_p, c_int])