关系函数
- ST_3DClosestPoint
- ST_3DDistance
- ST_3DDWithin
- ST_3DDFullyWithin
- ST_3DIntersects
- ST_3DLongestLine
- ST_3DMaxDistance
- ST_3DShortestLine
- ST_Area
- ST_Azimuth
- ST_Angle
- ST_Centroid
- ST_ClosestPoint
- ST_Contains
- ST_ContainsProperly
- ST_Covers
- ST_CoveredBy
- ST_Crosses
- ST_LineCrossingDirection
- ST_Disjoint
- ST_Distance
- ST_MinimumClearance
- ST_MinimumClearanceLine
- ST_HausdorffDistance
- ST_FrechetDistance
- ST_MaxDistance
- ST_DistanceSphere
- ST_DistanceSpheroid
- ST_DFullyWithin
- ST_DWithin
- ST_Equals
- ST_GeometricMedian
- ST_HasArc
- ST_Intersects
- ST_Length
- ST_Length2D
- ST_3DLength
- ST_LengthSpheroid
- ST_Length2DSpheroid
- ST_LongestLine
- ST_OrderingEquals
- ST_Overlaps
- ST_Perimeter
- ST_Perimeter2D
- ST_3DPerimeter
- ST_PointOnSurface
- ST_Project
- ST_Relate
- ST_RelateMatch
- ST_ShortestLine
- ST_Touches
- ST_Within