Andrew Zolnai Blog

Slotting straight into my previous post, ESRI just released ArcGIS Explorer (AGX) online and arcgis.com as the new ArcGIS Online (AGO). I...

Eyjafjallajoekull volcanic ash blown southeastward caused air traffic disruption last week over the northern British Isles again. I post the...

I posted earlier an example of a simple Google Map reading a list of Olympic cities - this was part of a list of Google and OpenLayer maps ...

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...

That was my response to Peter Batty's call for comment on his GITA panel this week:

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...

A recent twittersation with @rollohome had me pull out these screen shots from Google Maps - it doesn't appear to give proper driving di...

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

My previous posts here , here and here are summarised in today' reply to Matt Ball's excellent Spatial Sustain entry, What comes f...