Like a spatial section, the photo transect assembles a series of images in a linear fashion to represent movement through space. Images representing movement forward are typically assembled from the bottom towards the top. Transect can represent any length of time, but the images usually represent a specific interval of time (for example, each photo represents 10 second, or 100 feet). The image below (detail of a larger drawing) represents a series of transects taken at different speeds across a site: because each image represents 30 seconds, the more densely packed columns represents a slower progression of walking through the site, while the ones at the left were taken driving in a car at higher speeds.
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Martin Hogue