Reality Capture..really?

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I see a lot of these and, very occasionally I see them translated into drawings, the kind of drawings clients want for mark up. The business of reality capture is storming ahead, we now have tools for passive capture like … Continue reading

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TheoLt for Leica TS Captivate series

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If you select TPS1200 as the instrument in TheoLt and assuming Bluetooth/Windows version compatibility this is how I got a TS15 ‘Captivate’ instrument to work with TheoLt, the cable option may require the correct cable for windows version: GEV 267 … Continue reading

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A tale of 2 rigs.

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Canon S95 on 2 axis auto rig, power by mobile ‘phone battery control by Click Pan Pro. The tilt servo is a high torque model which means this rig can take the heavy Conon EosM if it needs to. Suspension … Continue reading

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Achieving closure: the first Bowditch adjusted traverse?

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Origin of the Bowditch method. Published in 1802 Nathaniel Bowditch’s exposition on navigation is famous among surveyors for its description of the traverse adjustment method which bears his name. The method first appears for the computation of Traverse Sailing.  Bowditch … Continue reading

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RP Elevations by TheoLt & QGIS

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Originally posted on Billboyheritagesurvey's Blog:
Required tools • AutoCAD /BricsCAD • TheoLt • Image processing tools: Light room/Photoshop/MS Paintshop • QGIS https://www.qgis.org/en/site/forusers/download.html# QGIS is a freeware, open source, GIS compiler for map based database work. It includes a useful…

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As built 1856

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

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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

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2 & half D

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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

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The twin churches at Swaffham Prior

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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

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Unlearning line: what is LOD 500?

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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…

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