Friker/alg-vis — comment on commit 106e8a0c3e7cbb94b7aa5130096d2b2a35663882
File: src/algvis/bst/BSTNode.java line 288
By kuk0:

use constants; D.radius = radius of each node; D.xspan, D.yspan = min. horiz./vert. space between two adjacent nodes