Quelltext der Seite TopoJSON

An extension of [[GeoJSON]] that encodes topology. It is more compact than GeoJSON and it is used by data journalists and tools like [http://forio.com/contour/documentation.html#topojson forio D3.js], PowerBI or Looker, etc..

* Specification and Javascript tools: https://github.com/topojson/topojson
* Free online web tool to display, simplify and convert TopoJSON: https://mapshaper.org/ 
* Tools and demos by Mike Bostock (Javascript): 
** topojson cli tool to create TopoJSON: https://github.com/mbostock/topojson
** About topojson tool (Javascript) "How To Infer Topology": https://bost.ocks.org/mike/topology/
** About topojson tool ff.: [https://blog.mastermaps.com/2013/06/converting-shapefiles-to-topojson.html Converting Sapefiles to TopoJSON]
* Programming with GeoJSON and TopoJSON (PDF, deutsch): 
https://www.digitale-nachhaltigkeit.unibe.ch/e90958/e490158/e490446/e490536/rightcol490545/OpenData2015_Termin09_Uebung_GastvortragLukasVonlanthen__ger.pdf

== Data in TopoJSON format ==
* Swiss admin. boundaries, lakes and zip code (PLZ) geodata in TopoJSON format: 
https://github.com/interactivethings/swiss-maps
* "Choropleth with wealth distribution of Switzerland" by huembelin’s Block: https://bl.ocks.org/huembelin/5452de6dff30c70d642439a7746ec418