Properties.sql File Reference

The implementantion in sql of SegmentSP. More...

Functions
float8	length (segmentsp segment)
vector2d	direction (segmentsp segment)
pointxy	center (segmentsp segment)
float8	centerx (segmentsp segment)
float8	centery (segmentsp segment)

Detailed Description

The implementantion in sql of SegmentSP.

Author

Marios Vodas (mvoda.nosp@m.s@gm.nosp@m.ail.c.nosp@m.om).

SegmentSP is a spatial data type used in Hermes

See also

Spatial data types

Function Documentation

pointxy center

(

segmentsp

segment

)

float8 centerx

(

segmentsp

segment

)

float8 centery

(

segmentsp

segment

)

vector2d direction

(

segmentsp

segment

)

Referenced by picksplitGiSTBoxST(), and picksplitGiSTSegmentST().

float8 length

(

segmentsp

segment

)

Referenced by atDistanceTrajectory(), atInstantTrajectory(), resizeSegmentSP(), and TrajCache_Allocate().