|

»

[PostGIS] #274: Explain Interior, Boundary and Exterior

View: New views

6 Messages — Rating Filter: Alert me

	[PostGIS] #274: Explain Interior, Boundary and Exterior by PostGIS-4 :: Rate this Message: Reply to Author \| View Threaded \| Show Only this Message #274: Explain Interior, Boundary and Exterior -------------------------+-------------------------------------------------- Reporter: mloskot \| Owner: pramsey Type: enhancement \| Status: new Priority: medium \| Milestone: postgis 1.5.0 Component: postgis \| Version: Keywords: \| -------------------------+-------------------------------------------------- For completeness, it would be good to give short description of these three fundamental terms in the PostGIS manual: The IBM Informix manual provides short but clear definitions of [http://publib.boulder.ibm.com/infocenter/idshelp/v10/index.jsp?topic=/com.ibm.spatial.doc/spat49.htm Interior, Boundary, and Exterior]: {{{ All geometries occupy a position in space defined by their interior, boundary, and exterior. * The exterior of a geometry is all space not occupied by the geometry. * The boundary of a geometry serves as the interface between its interior and exterior. * The interior is the space occupied by the geometry. }}} PostGIS manual could include similar. -- Ticket URL: <http://trac.osgeo.org/postgis/ticket/274> PostGIS <http://trac.osgeo.org/postgis/> PostGIS _______________________________________________ postgis-devel mailing list postgis-devel@... http://postgis.refractions.net/mailman/listinfo/postgis-devel
	Re: [PostGIS] #274: Explain Interior, Boundary and Exterior by PostGIS-4 :: Rate this Message: Reply to Author \| View Threaded \| Show Only this Message #274: Explain Interior, Boundary and Exterior --------------------------+------------------------------------------------- Reporter: mloskot \| Owner: kneufeld Type: enhancement \| Status: new Priority: medium \| Milestone: postgis 1.5.0 Component: postgis \| Version: Resolution: \| Keywords: --------------------------+------------------------------------------------- Changes (by pramsey): * owner: pramsey => kneufeld -- Ticket URL: <http://trac.osgeo.org/postgis/ticket/274#comment:1> PostGIS <http://trac.osgeo.org/postgis/> PostGIS _______________________________________________ postgis-devel mailing list postgis-devel@... http://postgis.refractions.net/mailman/listinfo/postgis-devel
	Re: [PostGIS] #274: Explain Interior, Boundary and Exterior by PostGIS-4 :: Rate this Message: Reply to Author \| View Threaded \| Show Only this Message #274: Explain Interior, Boundary and Exterior --------------------------+------------------------------------------------- Reporter: mloskot \| Owner: kneufeld Type: enhancement \| Status: closed Priority: medium \| Milestone: PostGIS 1.5.0 Component: postgis \| Version: Resolution: fixed \| Keywords: --------------------------+------------------------------------------------- Changes (by kneufeld): * status: new => closed * resolution: => fixed Comment: First draft is here: http://www.postgis.org/documentation/manual-1.5SVN/ch04.html#DE-9IM -- Ticket URL: <http://trac.osgeo.org/postgis/ticket/274#comment:2> PostGIS <http://trac.osgeo.org/postgis/> The PostGIS Trac is used for bug, enhancement & task tracking, a user and developer wiki, and a view into the subversion code repository of PostGIS project. _______________________________________________ postgis-devel mailing list postgis-devel@... http://postgis.refractions.net/mailman/listinfo/postgis-devel
	Re: [PostGIS] #274: Explain Interior, Boundary and Exterior by PostGIS-4 :: Rate this Message: Reply to Author \| View Threaded \| Show Only this Message #274: Explain Interior, Boundary and Exterior --------------------------+------------------------------------------------- Reporter: mloskot \| Owner: kneufeld Type: enhancement \| Status: closed Priority: medium \| Milestone: PostGIS 1.5.0 Component: postgis \| Version: Resolution: fixed \| Keywords: --------------------------+------------------------------------------------- Comment (by mloskot): Kevin, This is (uncensored word here ;-)) brilliant! I got way more than I asked for. Just a few typos: * ''eachother'' * ''desireable'' Perhaps ''Read from left to right'' could be completed with ''and from top to bottom'' too. Also, I think it could be useful to add source reference to the Topogical/Clementini operators, PDF at [http://gis.hsr.ch/wiki/images/3/3d/9dem_springer.pdf Dimensionally Extended Nine-Intersection Model (DE-9IM)] by Christian Strobl Thank you! -- Ticket URL: <http://trac.osgeo.org/postgis/ticket/274#comment:3> PostGIS <http://trac.osgeo.org/postgis/> The PostGIS Trac is used for bug, enhancement & task tracking, a user and developer wiki, and a view into the subversion code repository of PostGIS project. _______________________________________________ postgis-devel mailing list postgis-devel@... http://postgis.refractions.net/mailman/listinfo/postgis-devel
	Re: [PostGIS] #274: Explain Interior, Boundary and Exterior by PostGIS-4 :: Rate this Message: Reply to Author \| View Threaded \| Show Only this Message #274: Explain Interior, Boundary and Exterior --------------------------+------------------------------------------------- Reporter: mloskot \| Owner: kneufeld Type: enhancement \| Status: closed Priority: medium \| Milestone: PostGIS 1.5.0 Component: postgis \| Version: Resolution: fixed \| Keywords: --------------------------+------------------------------------------------- Comment (by mloskot): ...or non-URL reference to "Encyclopedia of GIS" By Hui Xiong where it is DE-9IM perfectly explained for everyone who wants to dig details. -- Ticket URL: <http://trac.osgeo.org/postgis/ticket/274#comment:4> PostGIS <http://trac.osgeo.org/postgis/> The PostGIS Trac is used for bug, enhancement & task tracking, a user and developer wiki, and a view into the subversion code repository of PostGIS project. _______________________________________________ postgis-devel mailing list postgis-devel@... http://postgis.refractions.net/mailman/listinfo/postgis-devel
	Re: [PostGIS] #274: Explain Interior, Boundary and Exterior by PostGIS-4 :: Rate this Message: Reply to Author \| View Threaded \| Show Only this Message #274: Explain Interior, Boundary and Exterior --------------------------+------------------------------------------------- Reporter: mloskot \| Owner: kneufeld Type: enhancement \| Status: closed Priority: medium \| Milestone: PostGIS 1.5.0 Component: postgis \| Version: Resolution: fixed \| Keywords: --------------------------+------------------------------------------------- Comment (by kneufeld): Thanx Mateusz. I fixed the typos and add your noted references at the end of the section. I like the pdf doc by Christian Stobl. Nice. I hadn't seen that one before. I was thinking along the same lines and would eventually like to see a simple de9im matrix in every spatial predicate definition (touches, crosses, within, etc) just as Christian has done in his doc. ... someday :) -- Ticket URL: <http://trac.osgeo.org/postgis/ticket/274#comment:5> PostGIS <http://trac.osgeo.org/postgis/> The PostGIS Trac is used for bug, enhancement & task tracking, a user and developer wiki, and a view into the subversion code repository of PostGIS project. _______________________________________________ postgis-devel mailing list postgis-devel@... http://postgis.refractions.net/mailman/listinfo/postgis-devel