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About Demo
Data Providers
Architecture
ASDI
Industry
This Spatial Interoperability Demonstrator (SID) has been prepared to demostrate how geospatial data from several different environments can seamlessly integrate in a web application. There are several online sources of data being accessed dynamically via this application each of which may have been captured and maintained in totally different GIS enterprise environments.
However, all are published on the Internet to permit access via an open standard Application Program Interface (API) collaboratively developed by the Open Geospatial Consortium (OGC). Because these OGC standards are supported by all GIS vendors, writing applications to access multiple distributed data sets means that the developers need only concern itself with that single API standard. The application developer is free to use whatever software development platform they wish to use and the custodian can use whatever GIS environment they prefer to capture and maintain the data as long as both support these standards. This is a critical aspect of interoperability.
This demonstrator was developed by CubeWerx Australia Pty Ltd for the Office of Spatial Data Management and Geosciences Australia. This demonstartor is accessing data from the following online published services that support the OGC Web Map Server standard:
SID also accesses base data from TerraPages that has been optimised for Internet use. The base map data is a raster composite of Public Sector Mapping Agencies (PSMA) data layers and arranged in map tiles for faster display times. This is based on a combination of a CubeWerx Oracle-based Spatial Data Warehouse and open-source software from the TileCache project. The Australian Spatial Data Infrastructure (ASDI) is a national framework for linking users with providers of spatial information. The ASDI comprises the people, policies and technologies necessary to enable the use of spatially referenced data through all levels of government, the private sector, non-profit organisations and academia.
One of the major objectives of the ASDI is to facilite an environment where users and computer processes can discover published data layers and then selectively combine them in a single map display. This will require both the coordination of many distributed custodians (public & private) to publish their data in an open intreroperable way and the establishing, populating and maintaining of one or many registry services that enable interactive discovery.
OGC's Open Services Framework defines this as their 'publish-find-bind' model and is considered the only realistic way to establish a distributed infrastructure of geospatial services. When operational, a robust ASDI will support literally thousands of applications where the collaboration of spatial resources is required. See OGC video here. The following four associations colectively represent the majority of the industry stakeholders:
However, all are published on the Internet to permit access via an open standard Application Program Interface (API) collaboratively developed by the Open Geospatial Consortium (OGC). Because these OGC standards are supported by all GIS vendors, writing applications to access multiple distributed data sets means that the developers need only concern itself with that single API standard. The application developer is free to use whatever software development platform they wish to use and the custodian can use whatever GIS environment they prefer to capture and maintain the data as long as both support these standards. This is a critical aspect of interoperability.
This demonstrator was developed by CubeWerx Australia Pty Ltd for the Office of Spatial Data Management and Geosciences Australia. This demonstartor is accessing data from the following online published services that support the OGC Web Map Server standard:
- Bureau of Meterology (BOM)in Hobart - The BOM have published their data via an OGC WMS OpenSource MapServer environment. Note that the BOM have activated access control to this service via a resgistered password ensuring they control user access privilages.
- Geosciences Australia (GA) in Canberra - GA have published their data via an OGC WMS OpenSource MapServer environment.
- Department of Environment & Heritage (DEH) in Canberra - DEH have published their data via an OGC WMS ESRI IMS environment.
- TerraPages Pty Ltd (PSMA/AeroMetrex/ABS) in Sydney - TerraPages have published their data via an CubeWerx Cascading OGC WMS environment.
SID also accesses base data from TerraPages that has been optimised for Internet use. The base map data is a raster composite of Public Sector Mapping Agencies (PSMA) data layers and arranged in map tiles for faster display times. This is based on a combination of a CubeWerx Oracle-based Spatial Data Warehouse and open-source software from the TileCache project. The Australian Spatial Data Infrastructure (ASDI) is a national framework for linking users with providers of spatial information. The ASDI comprises the people, policies and technologies necessary to enable the use of spatially referenced data through all levels of government, the private sector, non-profit organisations and academia.
One of the major objectives of the ASDI is to facilite an environment where users and computer processes can discover published data layers and then selectively combine them in a single map display. This will require both the coordination of many distributed custodians (public & private) to publish their data in an open intreroperable way and the establishing, populating and maintaining of one or many registry services that enable interactive discovery.
OGC's Open Services Framework defines this as their 'publish-find-bind' model and is considered the only realistic way to establish a distributed infrastructure of geospatial services. When operational, a robust ASDI will support literally thousands of applications where the collaboration of spatial resources is required. See OGC video here. The following four associations colectively represent the majority of the industry stakeholders:
- Spatial Sciences Institute (SSI) represents the various related professions such as surveying, remote sensing, cartography, etc.
- Australia & New Zealand Land Information Council (ANZLIC) outlines the directions the industry should take and the standards it should adopt.
- Australasian Spatial Information Education and Research Association (ASIERA) provides a forum for all academics, teachers and researchers in the field of spatial information.
- Australian Spatial Business Association (ASIBA) represents the companies making up the private sector component of the spatial informaiton industry in Australia providing products and services that spatially enable decision making and operational activities. ASIBA is currently actively supporting the accelerated development of the ASDI in consultation with these and other industry bodies. ASIBA believes that there is significant benefit to both the community and its members in establishing this infrastructure [ASDI] sooner rather than later.