Whit is the tilt in Optimization tool? Plane tilt, real tilt or nominal tilt?

[William.F]

As the title, I dont know what is the tilt in Optimization tool? Hope your reback, Thank you!

[Michele Oliosi]

When using the optimization tool with a 3D scene, PVsyst will change the nominal tilt of each individual table in the 3D scene without changing the base slopes. If there are nominal tilt differences these will be lost. If there are base slope differences, these are kept, which may result in an effective average tilt different than the value you chose in the optimization tool.