Andrew Zolnai Blog

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

A 'handy' is what Germans call a mobile or cell phone. I uploaded free ArcGIS for Android on my  smartphone, which now has a decent ...

Update : Part IX is on my Medium Professional Channel here My previous post on this topic stated how careful documentation and appropriate ...

It took five days (after hours) to stand up, learn, tweak and display my East Anglia Fenlands project on Mapcentia's web service . It st...

[ Update: this was summarised into a story map here  posted also on this blog here ] Two years then one year ago I QC'd UK Ordnanc...

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

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

[ 03 Nov 13 update : "relooped the loop" by testing the corrected Ordnance Survey data Feb 2013 update: Ordnance Survey cartogr...

It may be time to run an overview, two years on this personal project on East Anglia, the last step of which was reviewed by socium.co.uk : ...

[2013 update: Socium is now 1SpatialCloud ] Three weeks ago  I introduced Socium's Online Validation Service (OVS). I showed the Ordna...

[ Update: follow ups for this project are Releasing Data Really Works Part I and Part IV ] Following vector maps on the web (cloud futur...

I posted here my webmaps from the East Anglia Medieval Fenlands project. I have now posted these on arcgis.com for use in ESRI maps: Watch...

A sure sign of succesful map, is when it blends into the application and serves an unobtrusive yet key role. I noted earlier in What's i...

Building geoinfo from the ground up is patent in this Gov2.0 presentation on citizen-focussed geoweb at the Greater New Orleans Community ...

New UK Ordnance Survey OpenData Bounday Lines released this month , show changes compared with the original public release in April of Octob...

[See updates at bottom, and predecessors  Medieval Fenlands GIS  and  Post-medieval Fenlands GIS ] Here is a mashup on giscloud.com of the...

Let's look at the geographic history of land cover and surface geology of East Anglia after the Civil War , based on Ordnance Survey Ope...

[ Update 5 : see its latest reboot on a new community engagement project  here Update 4 : Data on ShareGeoOpen is now on successor  Edinbur...

Addendum: Steven Feldman just posted an great summary on this.

To great press and technocrati fanfare, the UK Ordnance Survey freed up its data ... somewhat! This was promptly announced on mapperz and ...