Changes between Version 7 and Version 8 of DevWikiEmptyGeometry


Ignore:
Timestamp:
Oct 6, 2009, 10:46:43 AM (15 years ago)
Author:
robe
Comment:

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  • DevWikiEmptyGeometry

    v7 v8  
    44
    55{{{
    6 SQL Server 2008 geometry: SELECT Geometry::STGeomFromText('POINT(1 2)',4326).STUnion(Geometry::STGeomFromText('POLYGON EMPTY',4326))
     6SQL Server 2008 geometry
     7   SELECT Geometry::STGeomFromText('POINT(1 2)',4326).STUnion(Geometry::STGeomFromText('POLYGON EMPTY',4326))
    78     => POINT (1 2)
    89   
    9 SQL Server 2008 geography: SELECT (Geography::STGeomFromText('POINT(1 2)',4326).STUnion(Geography::STGeomFromText('POLYGON EMPTY',4326))).STAsText()
     10SQL Server 2008 geography
     11  SELECT (Geography::STGeomFromText('POINT(1 2)',4326).STUnion(Geography::STGeomFromText('POLYGON EMPTY',4326))).STAsText()
    1012    => POINT(1 2)
    1113}}}
    … …  
    1416 * ST_Union(empty, empty) == empty
    1517{{{
    16  SQL Server 2008 Geography: SELECT (Geometry::STGeomFromText('POLYGON EMPTY',4326).STUnion(Geometry::STGeomFromText('POLYGON EMPTY',4326))).STAsText()
     18 SQL Server 2008 Geometry
     19   SELECT (Geometry::STGeomFromText('POLYGON EMPTY',4326).STUnion(Geometry::STGeomFromText('POLYGON EMPTY',4326))).STAsText()
    1720     => GEOMETRYCOLLECTION EMPTY
    18  SQL Server 2008 Geography: SELECT (Geography::STGeomFromText('POLYGON EMPTY',4326).STUnion(Geography::STGeomFromText('POLYGON EMPTY',4326))).STAsText()
     21 SQL Server 2008 Geography
     22    SELECT (Geography::STGeomFromText('POLYGON EMPTY',4326).STUnion(Geography::STGeomFromText('POLYGON EMPTY',4326))).STAsText()
    1923      => GEOMETRYCOLLECTION EMPTY
    2024   
    … …  
    2529 * ST_DWithin(geometry, empty, tolerance) == FALSE
    2630 * ST_Contains(geometry, empty) == FALSE
     31
     32{{{
     33SQL Server 2008 Geometry
     34SELECT (Geometry::STGeomFromText('POINT(1 3)',4326).STContains(Geometry::STGeomFromText('POLYGON EMPTY',4326)))
     35  => 0
     36}}}
     37
    2738 * ??? ST_Contains(empty, empty) == FALSE
     39
     40{{{
     41SQL Server 2008 Geometry
     42 SELECT (Geometry::STGeomFromText('POLYGON EMPTY',4326).STContains(Geometry::STGeomFromText('POLYGON EMPTY',4326)))
     43
     44}}}
     45
     46   
    2847 * ST_Intersects(geometry, empty) == FALSE
     48
     49{{{
     50SQL Server 2008 Geometry
     51  SELECT (Geometry::STGeomFromText('POINT(1 3)',4326).STIntersects(Geometry::STGeomFromText('POLYGON EMPTY',4326)))
     52  => 0
     53}}}
     54
    2955 * ??? ST_Intersects(empty, empty) == FALSE
     56{{{
     57SQL Server 2008 Geometry
     58  SELECT (Geometry::STGeomFromText('POLYGON EMPTY',4326).STIntersects(Geometry::STGeomFromText('POLYGON EMPTY',4326)))
     59    => 0
     60}}}
     61
    3062 * ??? ST_Disjoint(empty, empty) == FALSE
    3163 * ??? ST_Disjoint(geometry, empty) == FALSE