In my picture, map is defined correctly after all. X and Y axis are defined right above actual timing map, and size matches.
This is how they made it for late 24V VR6 engines. It looks like they optimized it for torque below 70% load and under 3600RPM and variable intake manifold gives it a little twist there. Above that, it's more about power (not torque).
To get going
http://www.volkspage.net/technik/ssp/ssp/SSP_246.pdf is very good starting point explaining how VVT works with VR6 engines.
My goal was to make sure that there are no excessive overlapping at high load and high rev areas and there doesn't really seem to be, it's pretty good setup even for low boost. It did a quick test run to test my modifications actually change how timing, by making intake valves open (and close) much later and that had huge negative effect to perfomance. Stock map goes very late near RPM limiter, that must have something to do with engine protection, with my limited experience and googling, it cant be for max power.
Anyway, learning curve here is huge.
Btw. in my case exhaust cam is actually adjustable and not just two positions. Exhaust cam map is pretty much like those with two position cam, but more linear and it's also used when cruising.