Community Research and Development Information Service - CORDIS

Distributed geographical information systems,-models, methods, tools and frameworks

Models, methods, frameworks and tools supporting object oriented development of distributed applications are being developed. This also involves geographical information system (GIS) framework of GIS subcomponents, interoperability components, geodata models and guidelines that can be used as a basis for the development and provision of services in a Geographic Information Infrastructure and for development of tools and integration of legacy.

The following are being developed: a comprehensive Ocean Drilling Programme (ODP) model for realizing distributed information systems that are based on the ODP models developed in the two pilots DISGIS Corba and DISGIS OLE; a reference architecture model for distributed GIS; a set of ODP patterns applicable to a extended information system development community; experiences with the new standard Reference Model for Open Distributed Processing; a validated OOram ODP methodology with GIS specialization and aspects from the DASCo and the SIMOD methods; experiences with ODP-based methods within the distributed GIS domain. The tools involved in the project are as follows: a tested , commercially available OOram based ODP modelling tool.; introduction of CORBA support for DIKAS Spatial Server and geodata management tool, GEOMAN; an enhanced distributed object technology tool, Orbix from IONA, with extended support for the ObjectStore object-oriented database, ODP support and extended CORBA and COM/OLE interoperability capabilities; DISGIS Corba and DISGIS OLE pilots, that demonstrate a distributed GIS based on open distributed processing with two different infrastructures interoperability. The pilot implementations are integrated with existing distributed GIS infrastructure. A general ODP based framework of reusable components, guidelines, object models and patterns and a specialized ODP based GIS framework of GIS subcomponents, CEN/TC 287 were used as a basis for the development and provision of services in a Geographic Information Infrastructure.

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