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29:53 FOSS4G, Open Source Geospatial Foundation (OSGeo) English 2013

3D Web Services And Models For The Web: Where Do We Stand?

In the past years, numerous open source projects have started to display 3D globes and 3D data on the web. Standardizing web services, data format and representation models is, therefore, a very hot topic. There are in particular ongoing efforts on the OGC side as well as on the W3C side. The OGC has released a draft candidate for a 3D web service W3DS, the ISO X3D standard proposes an XML-based file format for representing 3D computer graphics and the W3C is considering adding X3D rendering into HTML5. Other projects implement their own web services and formats. On the implementation side, Geoserver supports W3DS and X3D, the X3DOM library prototypes a possible implementation of X3D HTML5 integration and last but not least, browsers with WebGL support are fully able to handle the representation of 3D data on the client side. The talk is going to detail the mentioned elements, show demonstrations of existing implementations and try to suggest a possible path into the 3D web for the FOSS4G community.
  • Published: 2013
  • Publisher: FOSS4G, Open Source Geospatial Foundation (OSGeo)
  • Language: English
22:00 FOSS4G, Open Source Geospatial Foundation (OSGeo) English 2013

MapFish Framework

The MapFish framework allows to build rich Web GIS Applications in an easy and flexible way. It combines some of the best Open Source Tools in one framework: OpenLayers 2, ExtJS3 and GeoExt4 on the client side, and MapFish print, Ruby or Python modules (especially Papyrus based on Pyramid) on the server side. Besides the OGC-Standard web services, a MapFish protocol adapted to the efficient communication between Client and Server is available. On this basis, complex and high performance web mapping applications have been built. Among them, one MapFish-based project will be presented in more detail in order to show the power of the MapFish Framework: the c2cgeoportal is a complete WebGIS with large set of tools and configuration options. Since its beginning, the plug-in based architecture makes each application unique and adapted to the specific use case. The presentation gives a general overview of the MapFish Framework and demonstrates its possibilities with the c2cgeoportal implementation.
  • Published: 2013
  • Publisher: FOSS4G, Open Source Geospatial Foundation (OSGeo)
  • Language: English
22:40 FOSS4G, Open Source Geospatial Foundation (OSGeo) English 2013

Modelling 3D Underground Data In A Web-based 3D-Client

The geological borehole, depth profile and layer-data and some background-data such as topographical maps were setup as services, mainly in a PostGreSQL/PostGIS and GeoServer environment. Both webclients are fully client-side based applications, for the 3D-client WebGL for rendering is used and all data is delivered via standarized services. For the 3D-data the X3D format is used, which is not an official OGC standard yet but delivers phantastic possibilities for 3D-modelling of data in a webbased environment. The talk will focus on some of the high-end announced requirements, especially to the 3D-webclient such as gazetteers, FeatureInfo or dynamic load of services such as WMS or WFS. A special task is the delivering of borehole data as BoreholeML, for which the GeoServer app-schema extension was used. From a technical point of view especially the development of a GeoExt-like library which connects X3dom and ExtJs 4.x is an interesting part. With this solution, elements such as gazetteers and presentation-masks for requested attribute data could be used in both 2D- and 3D-client. At the end some live impressions of the application will be shown.
  • Published: 2013
  • Publisher: FOSS4G, Open Source Geospatial Foundation (OSGeo)
  • Language: English
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