From: Regina Obe Date: Thu, 5 May 2011 02:44:25 +0000 (+0000) Subject: amend faq and fix some typos X-Git-Tag: 2.0.0alpha1~1712 X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=459645206909ef99e744020f2c9c7bdb2d54515a;p=postgis amend faq and fix some typos git-svn-id: http://svn.osgeo.org/postgis/trunk@7096 b70326c6-7e19-0410-871a-916f4a2858ee --- diff --git a/doc/faq.xml b/doc/faq.xml index 144826b71..058b447f7 100644 --- a/doc/faq.xml +++ b/doc/faq.xml @@ -47,7 +47,7 @@ - PgAdmin doesn't show anything for large geometries. The best ways to verify you do have day in your geometry columns are? + PgAdmin doesn't show anything for large geometries. The best ways to verify you do have data in your geometry columns are? -- this should return no records if all your geom fields are filled in @@ -66,11 +66,13 @@ SELECT MAX(ST_NPoints(geom)) FROM sometable; You can store point, line, polygon, multipoint, multiline, - multipolygon, and geometrycollections. These are specified in the Open - GIS Well Known Text Format (with XYZ,XYM,XYZM extensions). There are two data types currently supported. - The standard OGC geometry data type which uses a planar coordinate system for measurement and the - geography data type which uses a geodetic coordinate system. Only WGS 84 long lat (SRID:4326) is supported - by the geography data type. + multipolygon, and geometrycollections. In PostGIS 2.0 and above you can also store TINS and Polyhedral Surfaces in the basic geometry type. + These are specified in the Open + GIS Well Known Text Format (with XYZ,XYM,XYZM extensions). There are three data types currently supported. + The standard OGC geometry data type which uses a planar coordinate system for measurement, the + geography data type which uses a geodetic coordinate system (not OGC, but you'll find a similar type in Microsoft SQL Server 2008+). Only WGS 84 long lat (SRID:4326) is supported + by the geography data type. The newest family member of the PostGIS spatial type family is raster for storing and analyzing raster data. Raster has its very own FAQ. Refer to + and for more details.