Author Archives: David
Fire comes to Dagenham
As part of the Dagenham Town Show parade, the [REDACTED] torch, outriders, runners, police and sponsors came to town. Other boroughs get the torch on midweek mornings, we got to incorporate the visit into the annual carnival parade. Unfortunately, I’ve no idea of the identity of the chap carrying the touch, if you know drop …
Solargraphy 2012
Solagraphy is the art of photographically capturing the path of the sun across the sky. As the sun takes a day to cross the sky, the exposure time for a solargraph is at least a day. To really capture the path of the sun as the seasons change (the sun climbing higher as we …
Happy Birthday, Alan
100 Years ago today the inventor of the universal programmable computer was born, Alan Turing.
Playing with ImageMagick
For some Slow Scan TV (SSTV) experiments I want to be able to overlay text on images from the command line or within a script. The Swiss-army-knife of image manipulation is ImageMagick, so I’m using that. Starting with a a photograph I took a few years ago, I resized it to 320×256 pixels – that’s …