#3206: rings, data
-
rings
Great circle map generator on the globe for configurable display of distance rings
https://www.mapspam.net/greatcircles-v5/index.html -
data
Representation of data in stereograms, or triagrams since it is not only two-dimensional, made with modern 3D visualization techniques
https://www.chartography.net/p/bellissimi-data-graphics
Raf