AddGeometryColumn — Adds a spatial column to an existing feature
table.
DropGeometryColumn — Drops a spatial column from an existing feature
table.
DropGeometryTable — Drops a spatial table and its references in the metadata
table geometry_columns.
UpdateGeometrySRID — Updates the SRID of the geometries in a particular geometry
column. It also updates the geometry_columns metadata table and the srid
table constraint.
Jaspa_Version — Returns Jaspa version number and phase of the release life
cycle.
Probe_Geometry_Columns — Explores all tables with Jaspa geometry constraints and adds
them to the metadata table GEOMETRY_COLUMNS if they are not already
there.
ST_AddPoint — Adds a Point to a LineString before point N.
ST_Affine — Applies a 2D or 3D affine transformacion to a geometry. That
means a rotation, scale and translate in a single step.
ST_CollectionExtract — Extracts a particular type of geometry from a collection and
converts them to MULTI*. The values for the type of geometry are
1=Point, 2=Line, 3=Polygon.
ST_Extract — Extracts a particular type of geometry from a collection and
converts them to MULTI*. The values for the type of geometry are
0=Point, 1=Line, 2=Polygon.
ST_Force_2D — Forces the incoming geometry to be 2D, so it will only have
X,Y coordinates.
ST_Force_3D — Forces the incoming geometry to be 3D, so it will have X,Y,Z
coordinates.
ST_Force_3DM — Forces the incoming geometry to be 3D, with X,Y and M
coordinates.
ST_Force_4D — Forces the incoming geometries to be XYZM
dimensions.
ST_ForceRHR — Forces the exterior ring's vertices of a Polygon to follow
right hand orientation.
ST_LineMerge — Returns a LineString as a result of merging a
MultiLineString.
ST_Multi — Forces a geometry to be MULTI* type. Geometries already
Multi, remain unchanged.
ST_RemovePoint — Removes N th Point from a LineString. N index starts at
0.
ST_Reverse — Returns the geometry with the vertex order
reversed.
ST_RotateX — Rotates a geometry, an Angle (in radians), around the X
axis.
ST_RotateY — Rotates a geometry, an Angle (in radians), around the Y
axis.
ST_RotateZ — Rotates a geometry, an Angle (in radians), around the Z
axis.
ST_Scale — Scales the geometry to a new size by multiplying the
coordinates by the factor of scale of the axis.
ST_Segmentize — Splits a segment of a geometry if it is shorter than a given
maximum Length. The distance is computed only in 2D.
ST_SetPoint — Replaces the Nth Point of a Geometry for a new Point. N
index starts at 0.
ST_SetSRID — Sets the Spatial Reference ID for a geometry,
ST_SnapToGrid — Snaps a geometry to a grid defined by its cell size and
origin.
ST_Transform — Returns a Geometry transformed to the specified spatial
reference system.
ST_Translate — Translates a geometry a certain offset along the axis
X,Y,Z
ST_TransScale — Translates a geometry, and then scales it.
ST_NodeLine — Returns a Line split at self intersection points, by adding
nodes there.
ST_CleanPolygon — Cleans polygons o multipolygons to be topologically
corrects. So, enforces them to be valid geometries.
ST_Snap — Snaps the vertices and segments of a Geometry to another
Geometry's vertices. A snapping distance tolerance is used to control
where snapping is performed.
ST_Area — Returns the area of a Polygon or a
MultiPolygon.
ST_Azimuth — Returns the azimuth between two points.
ST_Centroid — Returns a point, which is the centroid (geometric center) of
a geometry, which may lie outside the geometry
ST_Contains — Tests if a Geometry A spatially contains another Geometry
B.
ST_ContainsProperly — Tests if a Geometry A spatially contains properly another
Geometry B.
ST_Covers — Tests if a Geometry A spatially covers another Geometry
B.
ST_CoveredBy — Tests if a Geometry A is covered by Geometry B.
ST_Crosses — Tests if a Geometry A crosses a Geometry B, returns True if
so.
ST_Disjoint — Tests if a Geometry is spatially disjoint from another
Geometry.
ST_Distance — Returns the shortest distance between two
geometries.
ST_HausdorffDistance — Returns an approximation to the Hausdorff distance between
two geometries. It offers a measure of dissimilarity between the
geometries.
ST_Distance_Sphere — Returns distance between 2 lat/long points. It is the
great-circle distance, also known as or orthodromic, which is the
shortest distance between any two points on the surface of a sphere
measured along a path on the surface of the sphere
ST_Distance_Spheroid — Returns the shortest distance between 2 lat/long points,
using a particular spheroid
ST_DWithin — Tests if two geometries are within a specified distance.
Returns True if so, otherwise returns False.
ST_Equals — Tests if a Geometry is spatially equal to another Geometry,
returns True if so.
ST_Intersects — Tests if a Geometry spatially intersects another
Geometry.
ST_Length — Returns the 2-dimensional length of a Geometry.
ST_Length3D — Returns the 3-dimensional length of a Geometry.
ST_Length_Spheroid — Calculates the 2D or 3D length of a Line represented by its
latitude/longitude coordinates.
ST_Length2D_Spheroid — Calculates the 2D length of a Line represented by its
latitude/longitude coordinates.
ST_Length3D_Spheroid — Calculates the 3D length of a Line represented by its
latitude/longitude coordinates.
ST_OrderingEquals — Tests if two Geometries are equal, and the coordinates are
in the same order.
ST_Overlaps — Tests if a Geometry spatially overlaps another
Geometry.
ST_Perimeter — Returns the length measurement of the boundary of a Polygon
or a MultiPolygon.
ST_PointOnSurface — Returns a Point guaranteed to lie on the
geometry
ST_Relate — 1st Version tests if a Geometry is
spatially related to another Geometry as specified by a intersection
pattern matrix. 2nd Version returns the DE-9IM
(Dimensionally Extended 9 Intersection Model) for two
geometries.
ST_Touches — Tests if a Geometry spatially touches another
Geometry.
ST_Within — Tests if a Geometry is spatially within another
Geometry.
ST_MultiCentroid — Returns a centroid for each part of a complex
geometry.
ST_PointOnBoundary — Returns a Point guaranteed to lie on the geometry's
boundary.
ST_Buffer — Returns a geometry that represents all points whose distance
from this Geometry is less than or equal to distance. Calculations are
in the Spatial Reference System of that Geometry.
ST_BuildArea — Creates a surface geometry from the lines of the input
geometries.
ST_Collect — Returns a geometry from the collection of others
geometries.
ST_ConvexHull — Returns a geometry that represents the convex hull of the
given Geometry.
ST_Difference — Returns a geometry that represents the point set difference
of a Geometry with another Geometry.
ST_Dump — Splits Multi-geometries and GeometryCollections into a set
of single geometries.
ST_DumpPoints — Returns the set of points that compose a
Geometry.
ST_DumpRings — Returns a set of geometry rows, representing the exterior
and interior rings of a Polygon or a MultiPolygon.
ST_Intersection — Returns a 2D geometric object that represents the
intersection of two geometric objects.
ST_MemUnion — Same as ST_Union (aggregate) but memory-friendly (uses less
memory and more processor time).
ST_MinimumBoundingCircle — Returns the minimum circle polygon that can fully contain a
geometry.
ST_Polygonize — Creates a GeometryCollection made up of Polygons from a set
of Geometries which contain lines that represents the Polygons
edges.
ST_Shift_Longitude — Converts geometry longitude values from range [-180,180] to
the range [0-360]
ST_Simplify — Simplifies a Geometry using the standard Douglas-Peucker
algorithm.
ST_SimplifyPreserveTopology — Simplifies a geometry, ensuring that the result is a valid
geometry having the same dimension and number of components as the
incoming geometries.
ST_SymDifference — Returns a Geometry object that represents the point set
symmetric difference of two Geometry objects.
ST_Union — Returns a Geometry object that represents the point set
union of two Geometries.
ST_DelaunayTriangles — Returns polygons that represent Delaunay Trianglulations
from collections of points.
ST_Line_Interpolate_Point — Returns the Coordinates for the point on the line at the
given fraction. This fraction, is applied to the line's total
length.
ST_Line_Locate_Point — Computes de fraction of a Line from the closest point on the
line to the given point.
ST_Line_Substring — Returns a LineString being a portion of the input one. It
will start and end at the given fractions of the total 2D
length.
ST_Locate_Along_Measure — Extracts Points from a Geometry object that have the
specified m coordinate value.