Where do you found Allplan in this forum?
Allplan is Nemetschek. Founded in Germany 1963.
Allplan is a complete architetural programm. Standalone.
In Germany there a three global players. Nemetschek, Softtech and Autodesk. It is a long time ago that I have tested Allplan.
Allplan isn´t the enemy, it is Spirit.
So do you really mean Allplan, I found only 5 hits for Allplan in this forum.
The parametrics of both are absolute different. You can compare Allplan with DataCAD+ or Spirit. A database for all parametrics. So I think it has nothing to do with DataCAD parametrics. You can´t export parametrics from DataCAD to Allplan.
Martell