48 | | Thus, geometry parameters may be passed in using the `GEOSGeometry` object, WKT (Well Known Text) or HEXEWKB (PostGIS specific, essentially a WKB geometry in hexadecimal). Essentially, if the input is not a `GEOSGeometry` object, it will try interpret it as WKT or HEXEWKB. For example: |

| 48 | Thus, geometry parameters may be passed in using the `GEOSGeometry` object, WKT (Well Known Text) or HEXEWKB (PostGIS specific, essentially a WKB geometry in hexadecimal). Essentially, if the input is not a `GEOSGeometry` object, it will attempt to instantiate a `GEOSGeometry` object from the input. |

| 49 | |

| 50 | Below are some examples and references for GEOS Geometry objects, WKT, and HEXEWKB. |