Friker/alg-vis — comment on commit d7c24562fcae4b67849569e6dcdd5780ebc366df
File: src/algvis/bst/BSTNode.java line 218
By kuk0:

D.yspan + 2*D.radius?
maybe we can have such a derived constant defined somewhere....
actually i was thinking about moving these constants from DataStructure somewhere else...