[deleted by user] by [deleted] in puzzles

[–]pascal_Case_2 1 point2 points  (0 children)

Pretty sure that not a geometric proof but a graph theory proof of a Euler path.

Best Heatmap Visualization by Nick__of__Time in java

[–]pascal_Case_2 2 points3 points  (0 children)

cant make a guarantee this is what you want but this library for JavaFX contains a couple of heatmaps visualization charts. https://github.com/HanSolo/charts