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Fixed #28841 -- Added ForcePolygonCW GIS function and deprecated ForceRHR.

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Sergey Fedoseev 2017-11-24 22:30:53 +05:00 • committed by Tim Graham
parent 44908d4d93
commit aefe624c62
9 changed files with 73 additions and 20 deletions
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39
docs/ref/contrib/gis/functions.txt
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@ -20,17 +20,18 @@ get a ``NotImplementedError`` exception.
Function's summary:
================== ======================== ====================== =================== ================== =====================
Measurement Relationships Operations Editors Output format Miscellaneous
================== ======================== ====================== =================== ================== =====================
:class:`Area` :class:`Azimuth` :class:`Difference` :class:`ForceRHR` :class:`AsGeoJSON` :class:`IsValid`
:class:`Distance` :class:`BoundingCircle` :class:`Intersection` :class:`MakeValid` :class:`AsGML` :class:`MemSize`
:class:`Length` :class:`Centroid` :class:`SymDifference` :class:`Reverse` :class:`AsKML` :class:`NumGeometries`
:class:`Perimeter` :class:`Envelope` :class:`Union` :class:`Scale` :class:`AsSVG` :class:`NumPoints`
.. :class:`LineLocatePoint` :class:`SnapToGrid` :class:`GeoHash`
.. :class:`PointOnSurface` :class:`Transform`
================== ======================== ====================== ======================= ================== =====================
Measurement Relationships Operations Editors Output format Miscellaneous
================== ======================== ====================== ======================= ================== =====================
:class:`Area` :class:`Azimuth` :class:`Difference` :class:`ForcePolygonCW` :class:`AsGeoJSON` :class:`IsValid`
:class:`Distance` :class:`BoundingCircle` :class:`Intersection` :class:`ForceRHR` :class:`AsGML` :class:`MemSize`
:class:`Length` :class:`Centroid` :class:`SymDifference` :class:`MakeValid` :class:`AsKML` :class:`NumGeometries`
:class:`Perimeter` :class:`Envelope` :class:`Union` :class:`Reverse` :class:`AsSVG` :class:`NumPoints`
.. :class:`LineLocatePoint` :class:`Scale` :class:`GeoHash`
.. :class:`PointOnSurface` :class:`SnapToGrid`
.. :class:`Transform`
.. :class:`Translate`
================== ======================== ====================== =================== ================== =====================
================== ======================== ====================== ======================= ================== =====================
``Area``
========
@ -271,11 +272,29 @@ SpatiaLite
Accepts a single geographic field or expression and returns the geometry
representing the bounding box of the geometry.
``ForcePolygonCW``
==================
.. class:: ForcePolygonCW(expression, **extra)
.. versionadded:: 2.1
*Availability*: `PostGIS <https://postgis.net/docs/ST_ForcePolygonCW.html>`__
Accepts a single geographic field or expression and returns a modified version
of the polygon/multipolygon in which all exterior rings are oriented clockwise
and all interior rings are oriented counterclockwise. Non-polygonal geometries
are returned unchanged.
``ForceRHR``
============
.. class:: ForceRHR(expression, **extra)
.. deprecated:: 2.1
Use :class:`ForcePolygonCW` instead.
*Availability*: `PostGIS <https://postgis.net/docs/ST_ForceRHR.html>`__
Accepts a single geographic field or expression and returns a modified version