[postgis-devel] [PostGIS] #1236: ST_IsValid*(TopoGeometry)

PostGIS trac at osgeo.org
Tue Oct 11 00:40:10 PDT 2011

#1236: ST_IsValid*(TopoGeometry)
 Reporter:  strk         |       Owner:  strk         
     Type:  enhancement  |      Status:  new          
 Priority:  medium       |   Milestone:  PostGIS 2.0.0
Component:  topology     |     Version:  trunk        
 Keywords:               |  
 TopoGeometry objects are references into a topology's structure. Such
 references may become dangling if the referee is destroyed.

 Hierarchical TopoGeometry objects may be defined to be formed by
 overlapping lower-level compoments. Such composition should likely be also
 seen as an invalidity.

 Non-hierarchical TopoGeometry objects may refer to missing primitives
 (corrupted topology).

 Beside these structural invalidities there's likely no way for a
 TopoGeomety-derived Geometry to be invalid.

Ticket URL: <http://trac.osgeo.org/postgis/ticket/1236>
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