Category Archives: Survey Practice

I qualified in the early eighties and have been in practice ever since.

Plot lines: CAD to PDF

This gallery contains 19 photos.

I have clients who want definitive plots from PDF, they don’t want DWG they actually want paper and, for them, PDF is paper equivalent. I quickly discovered PDF does its own thing when it comes to line weights, and to … Continue reading

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1:50 Level Of Detail

This gallery contains 11 photos.

Mapping heritage value. This recent project specified a 1:50 issue, at plot size the font (above) above appears as 20mm tall, the moulding lines are suggestive rather than ‘as cut’ but none the less depict a close facsimile of the … Continue reading

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Decorated & perp friezes

This gallery contains 5 photos.

Dealing with foliate detail is tricky, half the struggle is deciding on a system of depiction. Fortunately others have been here before us and following a template makes the job easier. The mason who cut the stone would have been … Continue reading

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Presenting metric measured drawing

This gallery contains 11 photos.

Line weights make a big difference to the readability of drawings. By emphasising opening edges depth in the view is apparent and architectural form is evident as space and volume. Sections tend to reveal the value of lineweights as queues … Continue reading

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On ‘digital draughtsmanship’

This gallery contains 12 photos.

‘Reality capture’ is only the begining. I’m untangling some drawings derived from laser scans and the lack of clear notes of architectural form and detail compromises the work. Once again I’m forced to reflect on the powerful measurement technologies at … Continue reading

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D3aBT..back from the dead!

This gallery contains 18 photos.

It’s not often obsolete devices come back from the dead but this has happened for the Disto3aBT. Leica have released a new version of their DistoTransfer software that gets it working with Windows 10. Microsoft killed my Disto. It’s been … Continue reading

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Unlearning line: what is LOD 500?

This gallery contains 15 photos.

Can a survey scale relate to a BIM* LOD? “LOD 500: The Model Element is a field verified representation in terms of size, shape, location, quantity, and orientation. Non-graphic information may also be attached to the Model Elements.” Ref AIA, … Continue reading

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ArchDoc 2016 un-learning ‘line’?

This gallery contains 18 photos.

Learning by doing. Archdoc is a practical element in the post graduate course in conservation at RLICC, Leuven. One out come is experience in ‘reading a building’. On the right a photo-reconstruction of a Southern Flemish ‘cross’ window of the … Continue reading

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CAD … touching the Surface

This gallery contains 10 photos.

New year, new tablet, new CAD. CAD by touch on the Surface Pro 4 is interesting. On the face of it the Surface is an ideal ‘CAD on the go’ platform: plenty of processing grunt and good battery life. Sure … Continue reading

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The profitable Rodde or Staffe 1556

This gallery contains 2 photos.

Ye shall prepare two small straight, stiffe, round or rather square rods of mettall or of wood, well plained of like bigness and length. Although it make no matter what length, yet to avoid the errores which little instruments and … Continue reading

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