... . [ 4 ] Thus, additional computation is required to obtain distances in planar units (e.g., kilometers and miles). Using a geographic coordinate system may introduce complications for the developer later on. For example, SpatiaLite does not have the capabi ... lity to perform distance calculations between geometries using geographic coordinate systems, e.g. constructing a query to find all points within 5 miles of a county boundary stored as WGS84. [ 5 ... n the United States. Much of the U.S. spatial data encountered will be in one of these coordinate systems rather than in a geographic coordinate system such as WGS84. spatial_index ¶ BaseSpatialField. spatial_index ¶ Defaults to True . Creates a spatial in ... ... . [ 4 ] Thus, additional computation is required to obtain distances in planar units (e.g., kilometers and miles). Using a geographic coordinate system may introduce complications for the developer later on. For example, SpatiaLite does not have the capabi ... lity to perform distance calculations between geometries using geographic coordinate systems, e.g. constructing a query to find all points within 5 miles of a county boundary stored as WGS84. [ 5 ... n the United States. Much of the U.S. spatial data encountered will be in one of these coordinate systems rather than in a geographic coordinate system such as WGS84. spatial_index ¶ BaseSpatialField. spatial_index ¶ Defaults to True . Creates a spatial in ... ... tenttypes.prefetch django.contrib.flatpages A framework for managing "flat" HTML content in a database. django.contrib.gis Geographic Information System (GIS) extensions for Django django.contrib.gis.admin GeoDjango's extensions to the admin site. django.c ... tial database backends. django.contrib.gis.db.models GeoDjango model and field API. django.contrib.gis.db.models.functions Geographic Database Functions django.contrib.gis.feeds GeoDjango's framework for generating spatial feeds. django.contrib.gis.forms G ... ... tenttypes.prefetch django.contrib.flatpages A framework for managing "flat" HTML content in a database. django.contrib.gis Geographic Information System (GIS) extensions for Django django.contrib.gis.admin GeoDjango's extensions to the admin site. django.c ... tial database backends. django.contrib.gis.db.models GeoDjango model and field API. django.contrib.gis.db.models.functions Geographic Database Functions django.contrib.gis.feeds GeoDjango's framework for generating spatial feeds. django.contrib.gis.forms G ... ... Grid ¶ class SnapToGrid ( expression , * args , ** extra ) [ソース] ¶ 利用可能なDB : PostGIS , SpatiaLite Accepts a single geographic field or expression and returns a geometry with all points snapped to the given grid. How the geometry is snapped to the g ... xtra ) [ソース] ¶ 利用可能なDB : Oracle, PostGIS , SpatiaLite 単一の地理情報フィールドまたは式を受け取り、そのジオメトリの Geographic Markup Language (GML) 表現を返します。 例: >>> qs = Zipcode . objects . annotate ( gml = AsGML ( "poly" )) >>> print ( qs ... ngo 6.0. class GeometryType ( expr ) [ソース] ¶ 利用可能なDB : PostGIS , Oracle 23c+, MariaDB, MySQL, SpatiaLite Accepts a geographic field or expression and returns its geometry type. MemSize ¶ class MemSize ( expression , ** extra ) [ソース] ¶ 利用可能な ... ... Grid ¶ class SnapToGrid ( expression , * args , ** extra ) [ソース] ¶ 利用可能なDB : PostGIS , SpatiaLite Accepts a single geographic field or expression and returns a geometry with all points snapped to the given grid. How the geometry is snapped to the g ... xtra ) [ソース] ¶ 利用可能なDB : Oracle, PostGIS , SpatiaLite 単一の地理情報フィールドまたは式を受け取り、そのジオメトリの Geographic Markup Language (GML) 表現を返します。 例: >>> qs = Zipcode . objects . annotate ( gml = AsGML ( "poly" )) >>> print ( qs ... ngo 6.0. class GeometryType ( expr ) [ソース] ¶ 利用可能なDB : PostGIS , Oracle 23c+, MariaDB, MySQL, SpatiaLite Accepts a geographic field or expression and returns its geometry type. MemSize ¶ class MemSize ( expression , ** extra ) [ソース] ¶ 利用可能な ... ... LON: Real (8.3) LAT: Real (7.3) This detailed summary information tells us the number of features in the layer (246), the geographic bounds of the data, the spatial reference system ("SRS WKT"), as well as type information for each attribute field. For ex ... 行う様子を見てください: >>> from world import load >>> load . run () ogrinspect を試す ¶ Now that you've seen how to define geographic models and import data with the LayerMapping データインポートユーティリティ , it's possible to further automate this proce ... . contains ( pnt ) True >>> pnt . contains ( sm . mpoly ) False 地理情報のアノテーション ¶ GeoDjango also offers a set of geographic annotations to compute distances and several other operations (intersection, difference, etc.). See the 地理情報データベー ... ... LON: Real (8.3) LAT: Real (7.3) This detailed summary information tells us the number of features in the layer (246), the geographic bounds of the data, the spatial reference system ("SRS WKT"), as well as type information for each attribute field. For ex ... 行う様子を見てください: >>> from world import load >>> load . run () ogrinspect を試す ¶ Now that you've seen how to define geographic models and import data with the LayerMapping データインポートユーティリティ , it's possible to further automate this proce ... . contains ( pnt ) True >>> pnt . contains ( sm . mpoly ) False 地理情報のアノテーション ¶ GeoDjango also offers a set of geographic annotations to compute distances and several other operations (intersection, difference, etc.). See the 地理情報データベー ... ... ルックアップ型は空間フィールドでのみ利用可能です。 Filters on 'normal' fields (e.g. CharField ) may be chained with those on geographic fields. Geographic lookups accept geometry and raster input on both sides, and input types can be mixed freely in most cas ... ... ルックアップ型は空間フィールドでのみ利用可能です。 Filters on 'normal' fields (e.g. CharField ) may be chained with those on geographic fields. Geographic lookups accept geometry and raster input on both sides, and input types can be mixed freely in most cas ... 2026年10月08日