Based on a quick look, I think it would be easy to make LineCollection and PolyCollection accept a numerix array in place of [(x,y), (x,y), ...] for each line segment or polygon; specifically, this could replaced by an N x 2 array, where the first column would be x and the second would be y. Backwards compatibility could be maintained easily. This would eliminate quite a bit of useless conversion back and forth among lists, tuples, and arrays. As it is, each sequence of sequences is converted to a pair of arrays in backend_bases, and typically it started out as either a 2-D numerix array or a pair of 1-D arrays in the code that is calling the collection constructor.
Using a single 2-D array makes it easier to determine whether one is dealing with 'old-style' inputs or 'new-style' inputs, but it might still be reasonable to allow [X, Y] instead or in addition, where X and Y are 1-D numerix arrays. Any objections or alternative suggestions? Eric _______________________________________________ Matplotlib-devel mailing list Matplotlib-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/matplotlib-devel
