Technology tree for XDivision 0.99.5x Technology tree for XDivision 0.99.4x First of all, you will be need yEd Graph Editor. How to use: 1. Run yEd 2. Windows > Structure View 3. Windows > Context Views > Neighborhood Example how to use   How to read: 1. Same color & style - condition "AND" 2. Different color & style - condition "OR" 3. Example how to read: