Andrew Zolnai Blog

Esri just updated its World Vector Basemaps (v.2) . I updated below the notoriously complex and details Aalan Archipelago offshore Turku, Fi...

Last week was the inaugural post of my catalog , highlighting maps from this blog in (very) roughly reverse chronological order. The second...

... at least in oil&gas. I always wondered why petroleum was only 5% Esri's market (unofficial from my tenure as petroleum manager t...

Last I posted on vector online GIS, and that appears to be gaining traction. Mapbox offers through TileMill and OpenStreetMaps editing. Thes...

[ Update: ESRI blog post here for clear explanation and treatment of same, thanks Eileen Buckley! See also my ArcGIS Online / Amazon Web ...

Releasing data really works , Continued RSPB 2013 Big Garden Bird Watch released data by county, listing bird counts for each county in o...

Satellite imagery has been around for almost as long as GIS, and the following may just make them so easy they finally gain momentum. The sa...

For-free vs. for-fee is an issue that won't go away any time soon. I discussed this here before, and it came up recently with the adopt...

[ Update:  I noted on many of my  Google Fusion Table posts  that, while the data are still on Google Drive for you to view, GFT no longer o...

The recent announcement of data.gov.uk under none other than Tim Berners-Lee is a great step towards freeing UK data to the public - I won&...