Gap Light Analyzer (GLA)

Imaging software to extract forest canopy structure and gap light transmission indices from true-colour hemispherical (fisheye) photograph.

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Modelling and Application Design

Gordon W. Frazer, Simon Fraser University
Charles D. Canham, Cary Institute of Ecosystem Studies

Software Engineering

Pamela Sallaway, Spatial Solutions, Inc.
Dimitri Marinakis, University of Victoria

Project Funding

Forest Renewal BC Research Grant to:
Kenneth P. Lertzman, Simon Fraser University

Copyright (c) 1999:
Simon Fraser University,  Cary Institute of Ecosystem Studies
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