[postgis-devel] [PostGIS] #428: Add ST_IsValid for PolyhedralSurface

[PostGIS]

#428: Add ST_IsValid for PolyhedralSurface
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 Reporter:  colivier                      |       Owner:  colivier     
     Type:  enhancement                   |      Status:  new          
 Priority:  medium                        |   Milestone:  PostGIS 2.0.0
Component:  postgis                       |     Version:  trunk        
 Keywords:  PolyhedralSurface 3D IsValid  |  
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 Need to check:
 - At least 4 faces
 - Faces must all be connected
 - All points from a same face must be coplanar
 - Resulting volume is closed
 - No self intersection
 - Points Orientation

 No GEOS related in implementation

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Ticket URL: <http://trac.osgeo.org/postgis/ticket/428>
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