[postgis-devel] [PostGIS] #428: Add ST_IsValid for PolyhedralSurface
PostGIS
trac at osgeo.org
Sun Feb 21 10:36:20 PST 2010
#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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