Llobera (1996) seeks to utilize the concept of affordance in his GIS study of Wessex linear ditches. Unfortunately, he does not seem fully to appreciate what is implied in the concept of affordance, nor the role that it plays within Gibson's theory of direct perception. I offer this short note as an addendum to Llobera's discussion of affordance and its uses with GIS.
Email your librarian or administrator to recommend adding this journal to your organisation's collection.