extent Extent (boundary values) of the raster source, as a 4-tuple (xmin, ymin, xmax, ymax) in the spatial reference

srs Property that returns the SpatialReference associated with this layer:

field_widths Returns a list of the maximum field widths for each of the fields in this layer:

class GeometryCollection add(geom) Adds a geometry

mean New in Django 1.10. The mean of all

ur The upper-right coordinate, as a tuple.

statistics(refresh=False, approximate=False) New in Django 1.10.

wkt A string representing this envelope as a polygon in WKT format.

spatial_filter Property that may be used to retrieve or set a spatial filter for this layer. A spatial filter can only be set

dimension Returns the number of coordinated dimensions of the geometry, i.e. 0 for points, 1 for lines, and so forth: