Prøv at kombinere ST_Project
med en CTE
- juster værdierne for radians
til den azimut, du har brug for.
WITH j AS (
SELECT poi::geography AS poi FROM t
)
SELECT
ST_AsText(ST_Project(j.poi, 80467.2, radians(90.0)),2),
ST_AsText(ST_Project(j.poi, 80467.2, radians(45.0)),2),
ST_AsText(ST_Project(j.poi, 80467.2, radians(180.0)),2),
ST_AsText(ST_Project(j.poi, 80467.2, radians(135.0)),2),
ST_AsText(ST_Project(j.poi, 80467.2, radians(270.0)),2),
ST_AsText(ST_Project(j.poi, 80467.2, radians(225.0)),2),
ST_AsText(ST_Project(j.poi, 80467.2, radians(360.0)),2),
ST_AsText(ST_Project(j.poi, 80467.2, radians(315.0)),2)
FROM j;
st_astext | st_astext | st_astext | st_astext | st_astext | st_astext | st_astext | st_astext
---------------------+---------------------+------------------+--------------------+---------------------+--------------------+------------------+---------------------
POINT(-73.05 40.71) | POINT(-73.32 41.22) | POINT(-74 39.99) | POINT(-73.33 40.2) | POINT(-74.95 40.71) | POINT(-74.67 40.2) | POINT(-74 41.43) | POINT(-74.68 41.22)
(1 Zeile)
Bemærk :Bufferen (cirklen) i billedet er kun til illustration.