Teaching 3D model generation using Structure from Motion surveying in the field

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Teaching3DmodelgenerationusingStructurefromMotion

surveyinginthefield

CScottWatsonJuliePeacock

Agisoft Photoscan (30daytrial)– forproducingthe3Dpointcloud

VisualSFM,alternativefreewarethatdoesasimilarjob.

sketchfab.comhttps://sketchfab.com/rocky_glaciers

CloudCompare forthepointclouddifferencing (freeware)

Useagain?

InField Processing

‘Alittletrickywhentheslopewassteep’

‘Itwasjustlayingoutafewmetrerulesandtaking

photos’

‘Tookalongtime,mainlyduetothelaptopsprocessing

speed’

‘Weonlyhadafewhourstodoitinandrequiredalot

ofspecialisttechniques‘

‘Yes,Iplantoincludeinmy

projectontheNewZealandfieldtrip’

‘Iwoulddefinitelyuse again…IfI

hadn'tuseditonthetripwouldn’twanttoasitdoes

lookabitintimidating’

Carrifran – SouthernUplands- rewilding

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