Posts Tagged ‘mapping’

Livery Halls

Long time readers (and followers of my Flickr stream) might remember that a couple of years ago I developed an obsession with taking photos of the City of London Livery Halls. The obsession waned when I stop working in the City but over the last couple of weeks I’ve been wandering around the city a bit and have noticed some maps pointing to halls that aren’t in my collection yet. So at some point soon I’ll start trying to get photos of those (I think I’m missing half dozen or so).

But then I started thinking about maybe organising a walk round the City one weekend to see as many of the halls as possible. And, of course, in order to do that you need a map showing where they all are. And the easiest way to plot random points on a map is to use the “My Maps” feature in Google Maps.

So, after a couple of hours work – here is a map showing the London Livery Halls. Actually, currently it only shows the ones I’ve photographed. I’ll add the missing ones soon. I’ll also add more information to each pin – the address, a link to their web site and perhaps a photo. But I think it’s interesting and useful as it stands, so I thought it was working mentioning it even though it’s still a work in progress.

Google Maps Error

I spent an hour or so this weekend working out my exact latitude and longitude so that I could see the Google Maps photo of my house. Now it seems I may have wasted my time as there is a margin of error in Google’s co-ordinate system.

Lloyd pointed me at the Register story. Here’s a map showing the error. If I remember correctly, the meridian follows the thick grey line down the centre of the brown roof in the middle of the main observatory building.

Maps and Time

Dan Hill has a brilliant idea – adding a time slider to Google Earth so that you can trace the development of a map through time.

This has to happen. Only possible downside would be the amount of time I’d spend exploring old maps.

Moved by Google

According to Google Maps I live here. But I think they’ve got it wrong. We’re actually on the other side of the railway line that goes through the centre of the photo.

Update: On rechecking, I see it’s been fixed.