Name
st_transform_by_custom_projection — Performs a custom projection of shape, using the specified algorithm and algorithm-specific arguments.
Synopsis
st_transform_by_custom_projection
(
|
in shape any , |
in
algorithm_id
any
); |
Description
Performs a custom projection of shape, using the specified algorithm and algorithm-specific arguments.
Parameters
shape
Geometry.
algorithm_id
Algorithm -- Current version supports only one algorithm, st_transform_by_custom_projection (shape, 'OLAEAPS', long_of_center, lat_of_center) for Oblique Lampert Azimuthal Equal-Area Projection System with the specified center point.
Return Types
Returns varchar.
Examples
Example 24.673. Simple Use
select st_transform_by_custom_projection (
st_ewkt_read ('POLYGON((1 3,2 4,1 5,0 4,1 3),
(1 3.5,1.5 4,1 4.5,0.5 4,1 3.5))'),
'OLAEAPS', 20, 45)
unnamed
VARCHAR NOT NULL
_______________________________________________________________________________
SRID=0;POLYGON((-0.352161 -0.627582,
-0.332392 -0.617674,
-0.348956 -0.599730,
-0.368752 -0.609534,
-0.352161 -0.627582),
(-0.351386 -0.620657,
-0.341498 -0.615717,
-0.349784 -0.606732,
-0.359678 -0.611647,
-0.351386 -0.620657))