class NumPoints(expression, **extra) Availability: MySQL, PostGIS, Oracle, SpatiaLite Accepts

class Perimeter(expression, **extra) Availability: PostGIS, Oracle, SpatiaLite (≥ 4.0) Accepts

class AsGeoJSON(expression, bbox=False, crs=False, precision=8, **extra) Availability: PostGIS, SpatiaLite

class Scale(expression, x, y, z=0.0, **extra) Availability: PostGIS, SpatiaLite Accepts

class IsValid(expr) New in Django 1.10.

class Intersection(expr1, expr2, **extra) Availability: MySQL (≥ 5.6.1), PostGIS, Oracle, SpatiaLite

class BoundingCircle(expression, num_seg=48, **extra) Availability:

class Translate(expression, x, y, z=0.0, **extra) Availability: PostGIS, SpatiaLite Accepts

class MakeValid(expr) New in Django 1.10.

class AsGML(expression, version=2, precision=8, **extra) Availability: Oracle, PostGIS, SpatiaLite