Peter Beshai

Design Technologist at Cortico in Cambridge, MA.

I enjoy making highly usable interactive tools for the web.

Demo of Efficient Brushing in Scatterplots with D3 and Quadtrees

The brushing in this scatterplot is optimized to use a quadtree, reducing the amount of searching needed to find the data points selected by the brush. Click "Reveal the quadtree" to see a slowed down animation of how the quadtree is traversed during brushing.