Missing ST_IsValid for Geography Types
|Reported by:||rfcmedia||Owned by:||pramsey|
|Priority:||medium||Milestone:||PostGIS Fund Me|
There is no ST_IsValid for geography types.
I do not think casting a geography as a geometry and then running it through ST_IsValid will yield correct results either.
Consider a polygon (-170 0, 170 0, 178 5, 178 -5, -170 0) in degrees on a spherical surface. This is not a valid polygon as there is clearly an intersection between two lines at (178, 0) but this would be considered a valid polygon if it were cast as a geometry.