Registered Extensions NonLinear 2D GeometriesGP BLOB Extension for User-Defined Geometry TypesSpatial IndexesSQL Triggers using Geomety SQL API functions, Other TriggersWebP TilesZoom any intervals
A registry of all the places in the world, and links to all of their web resources(a different kind of geo-data catalog)APIs to get the information as maps, XML, JSON, or RDFA location resource that’s always current, accurate, and authoritativeOpenPOIs will evolve into the single most comprehensive, structured registry of points of interest on the Web.
A registry of all the places in the world, and links to all of their web resources(a different kind of geo-data catalog)APIs to get the information as maps, XML, JSON, or RDFA location resource that’s always current, accurate, and authoritativeOpenPOIs will evolve into the single most comprehensive, structured registry of points of interest on the Web.
OpenPOIs embodies three facets of openness. First, the data set is open. Only POI repositories with compatible open data policies have been indexed by OpenPOIs. Second, the API is open. Anyone is free to use the read API, and a write API is being built for any authenticated user to freely add information. Thirdly, the code is open. The system is built on PostGIS, Mapserver and custom PHP.
Like OGC standards, OpenPOIs is part of the public Internet infrastructure. OGC standards and OpenPOIs are platform, vendor and data neutral. The OGC's vision and mission, experience with legal and organizational issues involved in "openness", and rich connections to the world's providers and users of geospatial data and technology put the Consortium in a unique position to launch and host this resource.The potential societal benefits are broad and deep. Linked POI registries will support disaster management, public health, resource management, science, and more. Better geospatial standards are another benefit of this project. Current growth areas in Web-based computing are "RESTful" programming, linked data and the Semantic Web. OpenPOIs is designed to accommodate and leverage these developments. The Web and Semantic Web provide tools with which the POI vision can be achieved, and OpenPOIs provides the data. Existing OGC Web Services (OWS) standards have just begun to evolve to track these developments, and experience gained with the OpenPOIs Registry will help move the standards forward.
GeoJSON always consists of a single object. This object (referred to as the GeoJSON object below) represents a geometry, feature, or collection of features.The GeoJSON object may have any number of members (name/value pairs).The GeoJSON object must have a member with the name "type". This member's value is a string that determines the type of the GeoJSON object.The value of the type member must be one of: "Point", "MultiPoint", "LineString", "MultiLineString", "Polygon", "MultiPolygon", "GeometryCollection", "Feature", or "FeatureCollection". The case of the type member values must be as shown here.A GeoJSON object may have an optional "crs" member, the value of which must be a coordinate reference system object (see 3. Coordinate Reference System Objects).A GeoJSON object may have a "bbox" member, the value of which must be a bounding box array (see 4. Bounding Boxes).