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Data Fields | Related Functions
PointLL Struct Reference

#include <Definition.h>

Data Fields

float8 lon
 
float8 lat
 

Related Functions

(Note that these are not member functions.)

PointXY * ll2xy (const PointLL *point, const PointLL *lrp, PointXY *result)
 Transforms the point from lon-lat coordinates to x,y. More...
 
PGDLLEXPORT Datum ll2xyV1 (PG_FUNCTION_ARGS)
 Transforms the point from lon-lat coordinates to x,y. More...
 

Detailed Description

PointLL is auxiliary spatial data type which is used to represent points in longitude and latitude so that we can later transform them to eyclidean space

Friends And Related Function Documentation

PointXY * ll2xy ( const PointLL *  point,
const PointLL *  lrp,
PointXY *  result 
)
related

Transforms the point from lon-lat coordinates to x,y.

Parameters
[in]*pointthe point lon-lat coordinates
[in]*lrpthe reference point
[out]*resultI have no idea. We should ask marios
Returns
the point transformed to a PointXY

Referenced by ll2xyV1().

PGDLLEXPORT Datum ll2xyV1 ( PG_FUNCTION_ARGS  )
related

Transforms the point from lon-lat coordinates to x,y.

Field Documentation

float8 PointLL::lat

the latitude coordinate

Referenced by constructorPointLL(), distanceSpherePointLL_PointLL(), equalsPointLL(), inPointLL(), ll2xy(), outPointLL(), PointLL2Bytea(), recvPointLL(), and xy2ll().

float8 PointLL::lon

the longitude coordinate

Referenced by constructorPointLL(), distanceSpherePointLL_PointLL(), equalsPointLL(), inPointLL(), ll2xy(), outPointLL(), PointLL2Bytea(), recvPointLL(), and xy2ll().

The documentation for this struct was generated from the following files: