.. [#fnwkt] *See* Open Geospatial Consortium, Inc., `OpenGIS Simple Feature Specification For SQL <http://www.opengis.org/docs/99-049.pdf>`_, Document 99-049 (May 5, 1999), at Ch. 3.2.5, p. 3-11 (SQL Textual Representation of Geometry).
.. [#fnwkt] *See* Open Geospatial Consortium, Inc., `OpenGIS Simple Feature Specification For SQL <http://www.opengis.org/docs/99-049.pdf>`_, Document 99-049 (May 5, 1999), at Ch. 3.2.5, p. 3-11 (SQL Textual Representation of Geometry).
.. [#fnewkb] *See* `PostGIS EWKB, EWKT and Canonical Forms <http://postgis.net/docs/using_postgis_dbmanagement.html#EWKB_EWKT>`_, PostGIS documentation at Ch. 4.1.2.
.. [#fnewkb] *See* `PostGIS EWKB, EWKT and Canonical Forms <https://postgis.net/docs/using_postgis_dbmanagement.html#EWKB_EWKT>`_, PostGIS documentation at Ch. 4.1.2.
.. [#fngeojson] *See* Howard Butler, Martin Daly, Allan Doyle, Tim Schaub, & Christopher Schmidt, `The GeoJSON Format Specification <http://geojson.org/geojson-spec.html>`_, Revision 1.0 (June 16, 2008).
.. [#fngeojson] *See* Howard Butler, Martin Daly, Allan Doyle, Tim Schaub, & Christopher Schmidt, `The GeoJSON Format Specification <http://geojson.org/geojson-spec.html>`_, Revision 1.0 (June 16, 2008).
.. [#fndistsphere15] *See* `PostGIS documentation <http://postgis.net/docs/ST_DistanceSphere.html>`_ on ``ST_DistanceSphere``.
.. [#fndistsphere15] *See* `PostGIS documentation <https://postgis.net/docs/ST_DistanceSphere.html>`_ on ``ST_DistanceSphere``.
@@ -24,7 +24,7 @@ All examples in the reference below are given for geometry fields and inputs,
...
@@ -24,7 +24,7 @@ All examples in the reference below are given for geometry fields and inputs,
but the lookups can be used the same way with rasters on both sides. Whenever
but the lookups can be used the same way with rasters on both sides. Whenever
a lookup doesn't support raster input, the input is automatically
a lookup doesn't support raster input, the input is automatically
converted to a geometry where necessary using the `ST_Polygon
converted to a geometry where necessary using the `ST_Polygon
<http://postgis.net/docs/RT_ST_Polygon.html>`_ function. See also the
<https://postgis.net/docs/RT_ST_Polygon.html>`_ function. See also the
:ref:`introduction to raster lookups <spatial-lookup-raster>`.
:ref:`introduction to raster lookups <spatial-lookup-raster>`.
The database operators used by the lookups can be divided into three categories:
The database operators used by the lookups can be divided into three categories:
...
@@ -819,4 +819,4 @@ Example::
...
@@ -819,4 +819,4 @@ Example::
.. [#fnde9im] *See* `OpenGIS Simple Feature Specification For SQL <http://www.opengis.org/docs/99-049.pdf>`_, at Ch. 2.1.13.2, p. 2-13 (The Dimensionally Extended Nine-Intersection Model).
.. [#fnde9im] *See* `OpenGIS Simple Feature Specification For SQL <http://www.opengis.org/docs/99-049.pdf>`_, at Ch. 2.1.13.2, p. 2-13 (The Dimensionally Extended Nine-Intersection Model).
.. [#fnsdorelate] *See* `SDO_RELATE documentation <https://docs.oracle.com/database/121/SPATL/GUID-97C17C18-F05E-49B4-BE11-E89B972E2A02.htm#SPATL1039>`_, from the Oracle Spatial and Graph Developer's Guide.
.. [#fnsdorelate] *See* `SDO_RELATE documentation <https://docs.oracle.com/database/121/SPATL/GUID-97C17C18-F05E-49B4-BE11-E89B972E2A02.htm#SPATL1039>`_, from the Oracle Spatial and Graph Developer's Guide.
.. [#fncovers] For an explanation of this routine, read `Quirks of the "Contains" Spatial Predicate <http://lin-ear-th-inking.blogspot.com/2007/06/subtleties-of-ogc-covers-spatial.html>`_ by Martin Davis (a PostGIS developer).
.. [#fncovers] For an explanation of this routine, read `Quirks of the "Contains" Spatial Predicate <http://lin-ear-th-inking.blogspot.com/2007/06/subtleties-of-ogc-covers-spatial.html>`_ by Martin Davis (a PostGIS developer).
.. [#fncontainsproperly] Refer to the PostGIS ``ST_ContainsProperly`` `documentation <http://postgis.net/docs/ST_ContainsProperly.html>`_ for more details.
.. [#fncontainsproperly] Refer to the PostGIS ``ST_ContainsProperly`` `documentation <https://postgis.net/docs/ST_ContainsProperly.html>`_ for more details.
@@ -1068,7 +1068,7 @@ include the SRID value (in other words, EWKB).
...
@@ -1068,7 +1068,7 @@ include the SRID value (in other words, EWKB).
'POINT (1.4 1.7)'
'POINT (1.4 1.7)'
.. rubric:: Footnotes
.. rubric:: Footnotes
.. [#fnogc] *See* `PostGIS EWKB, EWKT and Canonical Forms <http://postgis.net/docs/using_postgis_dbmanagement.html#EWKB_EWKT>`_, PostGIS documentation at Ch. 4.1.2.
.. [#fnogc] *See* `PostGIS EWKB, EWKT and Canonical Forms <https://postgis.net/docs/using_postgis_dbmanagement.html#EWKB_EWKT>`_, PostGIS documentation at Ch. 4.1.2.
@@ -250,4 +250,4 @@ determining `when to use geography data type over geometry data type
...
@@ -250,4 +250,4 @@ determining `when to use geography data type over geometry data type
.. [#fnsrid] Typically, SRID integer corresponds to an EPSG (`European Petroleum Survey Group <http://www.epsg.org>`_) identifier. However, it may also be associated with custom projections defined in spatial database's spatial reference systems table.
.. [#fnsrid] Typically, SRID integer corresponds to an EPSG (`European Petroleum Survey Group <http://www.epsg.org>`_) identifier. However, it may also be associated with custom projections defined in spatial database's spatial reference systems table.
.. [#fnthematic] Terry A. Slocum, Robert B. McMaster, Fritz C. Kessler, & Hugh H. Howard, *Thematic Cartography and Geographic Visualization* (Prentice Hall, 2nd edition), at Ch. 7.1.3.
.. [#fnthematic] Terry A. Slocum, Robert B. McMaster, Fritz C. Kessler, & Hugh H. Howard, *Thematic Cartography and Geographic Visualization* (Prentice Hall, 2nd edition), at Ch. 7.1.3.
.. [#fndist] This limitation does not apply to PostGIS.
.. [#fndist] This limitation does not apply to PostGIS.
.. [#fngeography] Please refer to the `PostGIS Geography Type <http://postgis.net/docs/using_postgis_dbmanagement.html#PostGIS_Geography>`_ documentation for more details.
.. [#fngeography] Please refer to the `PostGIS Geography Type <https://postgis.net/docs/using_postgis_dbmanagement.html#PostGIS_Geography>`_ documentation for more details.