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The problems with representing GPX tracks in spatial databases
This is something I’ve been wrestling with for a while, both with Spatialite and latterly with Postgis. The problems stem from the fact that a GPX track segment contains information that can be represented in two entirely different ways in these systems. A track segment as represented in a …
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My Life as a Birch Forest
The image above is from the Jacquard Loom series (see here and here), using my python script to read a year’s worth of data from our GPS records and plugging in Peter’s processing script, the strips were produced, showing GPS activity much as in the previous posts.
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Jacquard Loom GPS visualisation II
After meeting up with Peter at Martin’s micro_blackdeath ATmega noise workshop at NK on Saturday, we were able to talk a bit more about what I’m calling the Jacquard Loom GPS visualisation of the activity in our database.
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A new way of looking at the GPS traces
After meeting Peter today, I decided to finally look at the alpha setting on his openframeworks application we use for lots of our work to explore a possible solution to getting a 3D printer to make a frequency map from a detail of our map. This is the urge that …
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Placename poem (the flyover script)
While working on Soul Walker, I’ve been revisiting the files we made for the Nottingham University research phase last year and wondering about those files generated by NetLogo of a ‘soul’ patiently trudging across the territory I flew over, oblivious to puddles, hedgerow, supermarkets.
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Clay and Plaster Frequency Map III
The moment of truth as I peeled back the clay on Friday last week.
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Peeling back the clay from the plaster of the frequency map -
Clay and Plaster Frequency Map II
After a whole day yesterday of carving my own ruts out of clay earth, I was left with this.
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Clay and Plaster Frequency Map I
This shows the setup, with my computer running Ubuntu Linux and the software Peter wrote for us in OpenFrameworks. The OHP hack is previewed in the previous post.
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First week of Soul Walker residency at the Broadway, Nottingham
I arrived in Nottingham on Sunday and was picked up by my friend Dave with whom I’m staying between Derby and Nottingham. Thanks, Dave and Laura, if it wasn’t for you, these trips to Nottingham to hook up with the MRL, or the Nottingham Geospatial Institute, or indeed …
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Drawing Machine first trial
After a quick ride through Tiergarten today, here are the first results. As a last minute alteration, I’d nailed elastic strips to the swinging drawing platform to hold the paper and attached a bit of metal to the arm to make the pen lighter and less friction on the …
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