Integrating 3D, Processing and Location Services into future SDIs
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Until recently development of SDIs seen from the technical point of view focused on 2D geographic data and its management and visualization (mapping) mostly. Recently a range of new specifications by the OGC offer a much broader range of possible services including 3D, routing, geoprocessing and more. Therefore much more sophisticated applications based on future SDIs using open standards can be realized. Within projects like Heidelberg-3D (Geo-Spatial Data Infrastructure 3D http://www.gdi-3d.de) or www.Ok-GIS.de (Open and Free GIS for Disaster Management) we set up a 3D-SDI based on relevant services (WFS, WMS, CS-W, WCS, WPS) using Open Source tools and frameworks such as geoserver and deegree. These are supplemented by our own implementations of: • OGC Web3D Service (W3DS) – serving 3D scences, accompanied with our 3D-Viewer • OGC OpenLS Route Service (RS) • OGC OpenLS Utility Service (Geocoder/Reverse Geocoder) • OGC OpenLS Presentation Service The OpenLS directory service will be added later. Based on these base servies we have realized further services that use these OWS: • 3D Route Service (3DRS) • Emergency Route Service (ERS) • 3D Emergency Route Service (ERS-3D) All of these use the OpenLS RS interface, but provide extended internal functionality.
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