| 13 | == Capabilities Include == |

| 14 | |

| 15 | * Geometries: Point, !LineString, Polygon, !MultiPoint, !MultiLineString, !MultiPolygon, !GeometryCollection |

| 16 | * Predicates: Intersects, Touches, Disjoint, Crosses, Within, Contains, Overlaps, Equals, Covers |

| 17 | * Operations: Union, Distance, Intersection, Symmetric Difference, Convex Hull, Envelope, Buffer, Simplify, Polygon Assembly, Valid, Area, Length, |

| 18 | * Prepared geometries (pre-spatially indexed) |

| 19 | * STR spatial index |

| 20 | * OGC Well Known Text (WKT) and Well Known Binary (WKB) encoders and decoders. |

| 21 | * C and C++ API (C API gives long term ABI stability) |

| 22 | * Thread safe (using the reentrant API) |