Mapping of Lerwick continues
The project to map Lerwick in the Shetland Isles off Scotland for OSM continues.
A few months ago, a company called Cloudmade provided me with the use of a gps receiver for the purposes of this project.
Having had someone I know driving around the area for months with the GPS set, virtually all of which would have happened anyway regardless of the presence of the GPS set.
(you may have to link through to the main post page to view the images properly)
There is a lot of data, about 300MB in total, and filtering it was not simple, (I spent a good 3 days up to the oxters in batch files, and even cygwin, thanks to Heliomass for help on that bit) but now most of the gibberish bits are gone, and the data is mostly clean and good. You can see some fully edited data here (please view full size, it really is awesome):
I’ve done a load of work tracing out the roads from the data, there is still some small bits missing, but nothing major. I’m about half way through the process of classifying and labelling everything, below shows just how bad it was before and my progress about half way through:
The town centre — notice that there are roads in entirely the wrong place in the old version:
Wider view of the town, notice a load of new housing on the periphery:
Unfortunately the system takes a while to update, so my last day’s work or so is missing, to follow the updates as they happen, view these links:
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