Vector formats
GEOJSON
GeoJSON is a format for encoding a variety of geographic data structures.GeoJSON supports the following geometry types: Point, LineString, Polygon, MultiPoint, MultiLineString, and MultiPolygon. Geometric objects with additional properties are Feature objects. Sets of features are contained by FeatureCollection objects.
SHP
The shapefile format (shp) is a format developed by Esri to store geospatial vector data and attributes. It can contain points, lines and polygons.
| File | Description |
|---|---|
| *.shp | Shape file containing the vector data |
| *.dbf | dBASE table file containing the feature attributes of the shapes |
| *.cpg | A plain text file which specifies the codepage number and which is used to identify the character encoding of the .shp file. |
| *.shx | Index file containing the offset of each record from the beginning of the main file |
| .sbn/.sbx | Optional spatial index files. |
KML
Keyhole Markup Language (KML) is an XML-based file format for storing and visualizing geographic data in Earth browsers. The file format was originally developed by Keyhole Inc. for use with their Earth Viewer application, which is currently known as Google Earth.
| File | Description |
|---|---|
| *.kml | A KML file |
| *.kmz | Zip archive containing a KML (.kml) file and possibly other resources |
GML
The Open Geospatial Consortium's (OGC) Geography Markup Language (GML) is an XML-based data format for describing, storing and exchanging geographical data.
| File | Description |
|---|---|
| _.gml, _.gml2, _.gml31, _.gml32, *.xml | GML data file |
| *.xsd | Application schema (XML Schema) |