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Figure 1. Alacran platform, Yucatan (interpreted Landstate 7 imagery). Red=boundstone; yellow=grainstone; green=packstone; blue=wacke/mudstone. The left image is the interpreted Landsat image. The colors represent the various depofacies. The four images on the right are proportion maps for the reef facies at four different cell size groupings. Note that at larger cell sizes the extreme proportion values tend to be averaged away. As different as these images are, bear in mind that each of these proportion maps is exactly correct for the model cell size being used.