[Ráfaga] Nº241: trains, formats, field, forum, pollution

[Jorge Sanz]

* On line railway map with an old style touch and based on OSM
  http://thunderforest.com/blog/pioneer/ gràcies @realivansanchez

* A really comprehensive GIS formats list, both raster and vector
  http://gisgeography.com/gis-formats/

* Qfield, the mobile spin of QGIS to work outside your office
  http://www.3liz.com/blog/rldhont/index.php?post/2015/12/01/QField-pour-Android-5

* Geospatial World Forum, May 23 to 26 at Rotterdam
  http://www.geospatialworldforum.org/

* PM2.5 pollution level map of Europe with 2012 data
  http://spifczyk.tumblr.com/post/133790718431/using-european-environment-agencys-most-recent

Raf