February 24, 2011
Opensource Web Mapping and GIS Summary
Premise: we do not have a sufficient plan for managing spatial data at UMBS. Currently, it is housed on a computer maintained by the Resident Biologist which, while backed-up and secure, makes version control, editing and access difficult. Ideally, at some point we will go to a web infrastructure for this. I've got a lot to learn on this subject so here goes.
Following this talk Stefan Steiniger - Building on Open Source GIS @ COSSFest 2010:
- WMS (Web Map Service) - allows for the provision of maps as images
- WFS (Web Feature Service) - allows transmission of geographical features. OGC, ESRI and the above video indicate it is used for vector data while other definitions indicate WFS and WCS provide similar uses and that WFS is better and could potentially replace WCS.
- WCS (Web Coverage Service) - allows for the transmission of raster data.
- WPS (Web Processing Service) - allows spatial operations (e.g. subtracting layers) to be conducted on stored data
- WFS-T (Web Feature Service) - allows creation, deletion, and updating of features
Web Map Server Software
- GeoServer - supports WMS, WFS, WFS-T, WCS, SLD, GML, KML. GeoServer and MapServer have many similarities but there are distinguishing characteristics.
- MapServer - supports EMS, WFS, WFS, WCS, SLD, WMC, GML but not WFS-T
- AutoDesk MapGuide - have an opensource, feature-limited version.
- deegree - how ze Germans do web mapping. A development framework.
- FeatureServer - REST based
- GeoRest - REST based
Web GIS Server - server-side data processing utilizing WPS
- GeoServer - Planned for the 2.1 version but is still in the works.
- 52 North WPS
- deegree - probably warrants more investigation
Spatial Database Management Systems
- PostGIS - most advanced
- MySQL Spatial - bounding queries use rectangles only
Catalogue/Registry Metadata - data discovery tools which offer UI's for querying and displaying data
- GeoNetwork OS - ISO19115/ISO19119/ISO19110 following ISO19139, FGDC and Dublin Core. Several mentions of GeoServer interoperability
- MDweb - (ISO 19115, 19119) and communication (OGC’s CSW-2)
Posted by kkwaiser at February 24, 2011 09:12 AM