matplotlib/matplotlib — pull request #3760 by perimosocordiae (2014-11-05 21:27:27+00:00)
Title: ENH: use fewer points for 3d quiver plot

This doesn't appear to change any visual behavior, and it reduces memory usage significantly for large 3d quiver plots.

Previously: each quiver line, left head, and right head was defined by 20 points each. Now, they're defined by 2 points each.