Create reusable Latex visualisation of R trees and B trees static R-trees etc.

I would like to get LaTex macros to easily create visualisation of R-trees R* trees, R+ trees (and B+, B* and B trees) and static R-trees etc.
It must be easily reusable that is the main requirement. It could be done by tikz package but that is not so important.
For more info please contact me.