DCENT dataviz
Thread from Decide Madrid, an open consultation and direct democracy platform launched by the Madrid City Council. The size of each node express the number of votes of that comment and the color is based on the ratio positive/negative votes:
Black
Central node (the proposal/initial post)


Grey
Comment with no votes


Green
Comment with majority of positive votes


Red
Comment with majority of negative votes


Orange
Comment with no strong preference of positive/negative votes