CREATE TABLE terrain_points (
  ogc_fid serial NOT NULL,
  elevation double precision,
);

SELECT AddGeometryColumn('terrain_points', 'wkb_geometry', 3725, 'POINT', 3 );

CREATE TABLE terrain_points
(
  ogc_fid serial NOT NULL,
  wkb_geometry geometry,
  elevation double precision,
  CONSTRAINT terrain_points_pk PRIMARY KEY (ogc_fid),
  CONSTRAINT enforce_dims_wkb_geometry CHECK (st_ndims(wkb_geometry) = 3),
  CONSTRAINT enforce_geotype_wkb_geometry CHECK (geometrytype(wkb_geometry) = 'POINT'::text OR wkb_geometry IS NULL),
  CONSTRAINT enforce_srid_wkb_geometry CHECK (st_srid(wkb_geometry) = 3725)
)
WITH (
  OIDS=FALSE
);
ALTER TABLE terrain_points OWNER TO postgres;

-- Index: terrain_points_geom_idx

-- DROP INDEX terrain_points_geom_idx;

CREATE INDEX terrain_points_geom_idx
  ON terrain_points
  USING gist
  (wkb_geometry);

-- points in geographic wgs84 coordinates (epsg:4326)
create table mypoints (id serial, name varchar, geom geometry(Point, 4326));

-- lines in spherical mercator (epsg:3857)
create table mylines (id serial, name varchar, geom geometry(LineString, 3857));

-- polygons in Dutch national coordinate system (epsg:28992)
create table mypolygons (id serial, name varchar, geom geometry(Polygon, 28992));

-- multipolygons in British National Grid (epsg:27700)
create table
  mymultipolygons(id serial, name varchar, geom geometry(Multipolygon, 27700));