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16:56 FOSS4G, Open Source Geospatial Foundation (OSGeo) English 2014
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Mapping with AngularJS

AngularJS is rapidly gaining popularity and favor in the front-end web development community. Several open-source AngularJS wrappers exist for open and closed source web mapping libraries. This session will survey the landscape of existing mapping library wrappers. Wrappers for OpenLayers, Leaflet, d3, Google Maps, and Esri WebMaps will be examined. Comparisons of the different abilities of these wrappers and the techniques required when using them will be examined. Advantages, strengths, weaknesses, limitations, and "gotchas" will all be examined for the AngularJS interfaces of the different mapping libraries. Attendees should leave the session with an understanding how to best integrate their mapping library of choice within an AngularJS application and how they could help improve these various wrappers.
  • Published: 2014
  • Publisher: FOSS4G, Open Source Geospatial Foundation (OSGeo)
  • Language: English
20:36 FOSS4G, Open Source Geospatial Foundation (OSGeo) English 2014
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GIS in the Browser - The Good Parts

Long gone (hopefully) are the days of replicating the "professionals only" desktop GIS interface in a browser. However, with modern browsers, HTML5 APIs, and increased efficiency of javascript engines it is possible to performantly replicate GIS functionality in a purely client-side browser application. Moderately complex geoprocessing, persistent client-side storage and simple to complex data visualization are all possible now. We walk through the underlying technology and demonstrate the practical use of it in an open-source sample application. Technologies covered include IndexedDB, WebStorage, Workers, Strongly Typed Arrays and Canvas. Some attention will also be paid to performance limitations, browser support and polyfills for older browsers.
  • Published: 2014
  • Publisher: FOSS4G, Open Source Geospatial Foundation (OSGeo)
  • Language: English
26:08 FOSS4G, Open Source Geospatial Foundation (OSGeo) English 2014
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Update on new OGC Standards: GeoPackage, OWS Context & Geosync

This presentation presents an overview on new OGC standards and developer tips on how to build your own implementations from scratch or on top of existing open source libraries that implement them. We cover GeoPackage, the new SQLite-based geospatial data format; OWS Context for describing a group of related spatial data resources (e.g. for map composition); and the emerging Geosync architecture based on lessons from CouchDB.
  • Published: 2014
  • Publisher: FOSS4G, Open Source Geospatial Foundation (OSGeo)
  • Language: English
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