Geo v1.0.1 Geo.PostGIS

Postgis functions that can used in ecto queries PostGIS Function Documentation

Currently only the OpenGIS functions are implemented

ex.

defmodule Example do
  import Ecto.Query
  import Geo.PostGIS

  def example_query(geom) do
    from location in Location, limit: 5, select: st_distance(location.geom, ^geom)
  end

end

Summary

Macros

Macros

st_area(geometry)
st_as_binary(geometry)
st_as_text(geometry)
st_bd_m_poly_from_text(wkt, srid)
st_bd_poly_from_text(wkt, srid)
st_boundary(geometry)
st_buffer(geometry, double)
st_buffer(geometry, double, integer)
st_centroid(geometry)
st_contains(geometryA, geometryB)
st_convex_hull(geometry)
st_covered_by(geometryA, geometryB)
st_covers(geometryA, geometryB)
st_crosses(geometryA, geometryB)
st_difference(geometryA, geometryB)
st_dimension(geometry)
st_disjoint(geometryA, geometryB)
st_distance(geometryA, geometryB)
st_dwithin(geometryA, geometryB, float)
st_end_point(geometry)
st_envelope(geometry)
st_equals(geometryA, geometryB)
st_exterior_ring(geometry)
st_geom_coll_from_wkb(bytea, srid \\ -1)
st_geom_from_text(text, srid \\ -1)
st_geometry_n(geometry, int)
st_geometry_type(geometry)
st_interior_ring_n(geometry, int)
st_intersection(geometryA, geometryB)
st_intersects(geometryA, geometryB)
st_is_closed(geometry)
st_is_ring(geometry)
st_is_simple(geometry)
st_length(geometry)
st_line_from_text(text, srid \\ -1)
st_line_from_wkb(bytea, srid \\ -1)
st_linestring_from_text(text, srid \\ -1)
st_linestring_from_wkb(bytea, srid \\ -1)
st_m(geometry)
st_m_geom_coll_from_text(text, srid \\ -1)
st_m_geom_from_wkb(bytea, srid \\ -1)
st_m_geometry_from_wkb(bytea, srid \\ -1)
st_m_line_from_text(text, srid \\ -1)
st_m_line_from_wkb(bytea, srid \\ -1)
st_m_point_from_text(text, srid \\ -1)
st_m_point_from_wkb(bytea, srid \\ -1)
st_m_poly_from_text(text, srid \\ -1)
st_m_poly_from_wkb(bytea, srid \\ -1)
st_mem_union(geometryList)
st_num_geometries(geometry)
st_num_interior_ring(geometry)
st_num_interior_rings(geometry)
st_num_points(geometry)
st_overlaps(geometryA, geometryB)
st_point_from_text(text, srid \\ -1)
st_point_from_wkb(bytea, srid \\ -1)
st_point_n(geometry, int)
st_point_on_surface(geometry)
st_poly_from_wkb(bytea, srid \\ -1)
st_polygon_from_text(text, srid \\ -1)
st_polygon_from_wkb(bytea, srid \\ -1)
st_relate(geometryA, geometryB)
st_relate(geometryA, geometryB, intersectionPatternMatrix)
st_shift_longitude(geometry)
st_srid(geometry)
st_start_point(geometry)
st_sym_difference(geometryA, geometryB)
st_touches(geometryA, geometryB)
st_union(geometryList)
st_union(geometryA, geometryB)
st_within(geometryA, geometryB)
st_x(geometry)
st_y(geometry)
st_z(geometry)