Red Dots On A Map

Created by Christopher Manning

Summary

Red dots on a map; it really makes you think. Uses Poisson-Disc Sampling and a point in polygon test to spread out dots on this map of the United States.

This We Put 700 Red Dots On A Map article about hackneyed geographic visualizations inspired this work.

Controls

• Use the mousewheel to adjust the red dot radius

References

• Poisson-Disc Sampling
• Poisson-Disc
• PNPOLY - Point Inclusion in Polygon Test
• d3.geo.path + Canvas