As built 1856

This gallery contains 11 photos.

Preliminary results of metric survey for conservation. TST traverse and wireframe plus rectified photography, measured drawing and roof details by KAP: B

Pendulum vs Picavet FAB

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A brain damaged noob writes – what is the difference in use between a pendulum and a picavet? ie the FAB of each solution. Thanks Good question. Turns out ‘FAB’ means ‘features, advantages & benefits’ so the following might be … Continue reading →

2 & half D

This gallery contains 7 photos.

Working up drawings from wire frames and point clouds needs a way to get 3D info into 2D space. Selective modelling provides a method for edge extraction of complex or repetitive details. The projection of curved or oblique alignments onto … Continue reading →

The twin churches at Swaffham Prior

This gallery contains 13 photos.

Any visitor to Swaffham Prior will be puzzled at to why there are 2 churches in the same churchyard there. The story something of  a puzzle but there are good online sources which cover the detail. In this post find … Continue reading →

Unlearning line: what is LOD 500?

This gallery contains 10 photos.

Originally posted on Billboyheritagesurvey's Blog:
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…

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 →

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 →

Decorated & perp friezes

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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 →

Missing mild

This gallery contains 8 photos.

The bar at the Punch Bowl Old Market St Bristol has a framed copy this entry from the 1893 trade directory for the amusement of drinkers, I asked for the mild and the barmaid blanked me: mild? what’s that? Rogers’ … Continue reading →

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 →