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Author Topic: Some base technologies  (Read 397 times)

PeterC

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Some base technologies
« on: 27 January 2016, 19:27:36 »
Only software developers are likely to want to know about these:
  • Leaflet is an open-source JavaScript library for mobile-friendly interactive maps (used by many mapping systems eg here)
  • mapfig Leaflet Map Server "allows you to create, develop, manage, and deploy Leaflet maps anywhere"
  • Zoomify makes high-quality images of any size zoom-and-pan for fast, interactive viewing on the web (for an example click on one of these maps)
  • OpenLayers is a pure JavaScript Open Source library for displaying map data in most modern web browsers (embedded in my own software and used for all images on my website eg here); [However note now that we are using OpenLayers as one of the basic technologies of our M4OPS system]
  • GeoExt is "a javaScript toolkit for rich web mapping applications - bringing together the geospatial know how of OpenLayers with the user interface savvy of Ext JS to help you build powerful desktop style GIS apps on the web with JavaScript"
  • Mapstraction is an Open source Javascript library that provides a single, common interface for a wide variety of Javascript map APIs - designed to enable a developer to switch from one maps API to another as smoothly and as quickly as possible.
  • mapnik - "the core of geospatial visualization & processing; combines pixel-perfect image output with lightning-fast cartographic algorithms, and exposes interfaces" - used by the OSM project per Wikipedia
  • underlying all GIS is a spatial database, and this article lists the common ones
  • A tiled web map, slippy map, or raster tile map is a map displayed in a browser by seamlessly joining dozens of individually requested image files over the internet - currently the most popular way to display and navigate maps
  • Vector tiles, tiled vectors or vectiles are packets of geographic data, packaged into pre-defined roughly-square shaped "tiles" for transfer over the web - is an emerging method for delivering styled web maps, combining benefits of pre-rendered raster map tiles with vector map data
« Last Edit: 7 January 2017, 12:18:03 by PeterC »

 

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