Andrew Zolnai Blog

[  Update:  see further updates at higher granularity geography in a  later post Also ONS numbers updated weekly maintain the difference wi...

[  Update:  see a  follow-up post  on how ONS data augment the NHSx death statistics  ] Daily updates  brought you COVID-19 data for Engla...

[ Update:  thrilled to present at How to do Map Stuff: a Live Community Sharing Event Update : The Times' Sam Joiner just cleared  Engl...

Issues with the mnemonic link below? Try one of these!  Mobile ,  tablet  or  desktop Final update:  single URL for desktop, tablet and mob...

[ Update: Part 4 provides a further update on platforms available to map polar data ] In my previous blog , how many layers can be combi...

[ Update: more data for the Arctic were found here and here when writing a paper Note:   Part 3 adds World Port Index data compared to ...

[ Update 2: this series has full CC BY-SA 3.0 class notes here Update 1: please see a mirror project for the Arctic in  Part 2 . ] With ...

This is my third Calendar entry from the most excellent Geohipster spearheaded by  @atanas ,  @billdollins and @gletham  - the inaugural 20...

I described exactly two years ago posting NOAA's global shoreline dataset on my AWS stack - added  recently to  personal portfolio  for...

With apologies to The Bard , whilst the internet in general and YouTube in particular are great tools - I use them here and on YouTube  myse...

[Note:  this complements Part III of  A Day in the Life of...   ongoing blog post series here]

I attended two shows back-to-back in London yesterday. Esri(UK) Annual Conference  was daytime at the QE2 Centre in Westminster a stone'...

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[Update:  a Google business partner's  view of things , 3 mo. after the fracas] [ Here is a further update based on input from othe...

Last month I reported on posting on arcgis.com some time-stamped, time-slider or time-aware maps - I showed my WhereIsAndrew map - I also m...

[ Update:  Part II is on my Medium professional channel 2½ year later: Almost open data ] A lot of (virtual) ink has flowed around opening...

In my ongoing suite of posting webmaps in my new and fresh Mind the Map blog, here is another take on loading global vectore megadatasets b...

My previous post on this topic stated how careful documentation and appropriate metadata high-grades any information that is shared online ...

More and more free data are available that are quality-controlled and verifiable. Guardian Data Blog 's @smfrogers (now at Twitter) was ...

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