Monthly Archives: February 2015

Printer cartridge pan gear

This gallery contains 8 photos.

A while a go inventive Italian Kapper ‘SMAC’  posted that spent laser printer toner cartridges have some really useful components inside. My magenta cartridge failed the other day and, after the pain of paying HP for a replacement, I decided … Continue reading

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Kite aerial photogrammetry: 4 infill points & break-lines

This gallery contains 6 photos.

Hunting the edges. Ideally break lines should be digitised off the surface mesh but for speed these lines are traced of the ortho-photo as polylines then matched to the required z value before reducing them to plain 2d lines and … Continue reading

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Kite aerial photogrammetry: 3 developing the contour model.

This gallery contains 3 photos.

Point density. Digitising points off the mesh reveals the structure of the earthwork, the point density is approximately at .2m post spacing increasing to 0.1m at detail areas. A test patch at 0.05m did nothing to improve the model. As … Continue reading

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Kite aerial photogrammetry: 2 the DSM

This gallery contains 8 photos.

1st effort. The surface generated from the Sept 2014 block produced a very irregular model, I had hoped contouring would improve the interpretation of the earthwork but it did not. The contour model was horrible, even after taking out the … Continue reading

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Kite aerial photogrammetry: 1: image capture and cover preview.

This gallery contains 7 photos.

With consents in place low level image capture of the Earith Bulwark in Sept 2014 recorded a surface comprising ragwort, thistle and nettle at full growth, it was not successful as a model when processed: the surface was a lumpy … Continue reading

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On Parker’s Piece

This gallery contains 9 photos.

Scenes from autoKAP over Parker’s Piece, Cambridge. Ok so we lost 3-0 to Man U but even on the birthplace of the FA rules some things are best left unsaid. Park street is now something of an improvised  bus station … Continue reading

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Fly & forget : the camera settings

This gallery contains 4 photos.

The bitter screaming westerlies have abated and there’s a break in the cloud cover…time for KAP but on this day I had to work so at the risk of being a lunchtime dork in the park I took my kit … Continue reading

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