NickQiZhu/dc.js — pull request #437 by pivotalforks (2013-11-22 00:43:20+00:00)
Title: Scatterplot improvements

This adds support for polybrushing on scatterplots, as well as correct filtering for composited scatter plots, even
when they are composited with other types of charts. The brush is only one-dimensional on composited charts, which seems logical.

#252, #170