Changes between Version 1 and Version 2 of UsersWikiNewbiePostGISFunctionMeasurement


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Timestamp:
12/02/09 10:41:49 (15 years ago)
Author:
robe
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  • UsersWikiNewbiePostGISFunctionMeasurement

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    4 '''What unit of measurement do PostGIS functions use?'''
     4'''What unit of measurement do PostGIS geometry functions use?'''
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    6 Almost all functions used in PostGIS assume measurement is in the units of the spatial reference system except for the functions that have sphere/spheroid in their name.
     6Almost all functions used in PostGIS assume measurement is in the units of the spatial reference system except for the functions that have sphere/spheroid in their name or the [http://www.postgis.org/documentation/manual-1.5SVN/ch08.html#PostGIS_GeographyFunctions geography functions and type]  introduced in PostGIS 1.5.
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    88The ones with sphere/spheriod  in their name: