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Item Improved Visualisation of Marine Data: Algae and Acid Rain(Blackwell Science Ltd and the Eurographics Association, 1994) Day, A.M.; Turner, S.M.; Arnold, D.B.Item Experiments in the Parallel Computation of 3D Convex Hulls(Blackwell Science Ltd and the Eurographics Association, 1994) Claret, A.R.; Day, A.M.Two parallel implementations of a 3D convex hull algorithm are reported. The paper considers a MIMD distributed memory architecture and the implementations are carried out on the Meiko Computing Surface using T800 transputers and the programming languages Occam and C. The first method uses a simple parallel geometric decomposition strategy and produces encouraging results. With the second approach a parallel generic Divide-and-Conquer kernel is incorporated. This is an example of the algorithmic skeleton approach to parallel programming and involves run-time, dynamic allocation of work to processors. The resulting performances for both methods are measured and compared.