Geographic flow map visualization with flowmap.blue
September 17, 2020 at 6:56am
Potentially. However, there are downsides as well. They would occupy more space, so there would be more overlap. Curved arrows would be more expensive to draw in WebGL: a straight arrow consist of just three triangles, whereas each curved line would consist of a couple dozens. I also prefer straight arrows because I think that it's more clear where they are going. But I agree that curved arrows are often more visually attractive.