Support the spread of “good practice” in generating, managing, analysing and communicating spatial information Data Capture Using Digital Photography By:

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Presentation transcript:

Support the spread of “good practice” in generating, managing, analysing and communicating spatial information Data Capture Using Digital Photography By: Giacomo Rambaldi and Jeroen verplanke Unit: M10U04

Flow of the presentation Equipment needed Preparing the model for data extraction Capturing data using digital photography

Equipment needed High resolution digital single lens reflex (SLR) camera Top quality lens with adjustable zoom and manual zoom and focus options Tripod Plumb line Coloured yarns Nails / push pins

Preparing the model for data extraction Place a grid on the 3D model Image courtesy Giacomo Rambaldi/ARCBC

Preparing the model for data extraction Tilt the model Prepare the shooting environment Images courtesy Giacomo Rambaldi/CTA

Data capture Parallel camera movement Movement of the Digital Camera 3D model 4 m distance Image courtesy G. Rambaldi/ARCBC

Sequence of images Camera movement

Sample of extracted images Images courtesy Giacomo Rambaldi