Originally Posted by Airhead Wrangler
hmmm. I think you're reading it wrong. There are two frames shown here: stock G/S and longer travel front end with lengthened swingarm. The dashed yellow is the rake of the raised front end shown in the pinkish red. See the 43mm triple offset and 35mm axle offset at the bottom. The original rake of the stock front end (darker red) isn't shown.
Now I see what the diagram is up to but effective rake and trail all depends on how much sag a setup has. It isn't just about ride height.