Floor shadow on the ceiling

[paolocesari]

Hi,
after creating a model with some levels, on 3D view I've found the floor shadow on the ceiling.

Here the some examples:




And my levels:



How can I solve the problem?
Thanks to all!

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[Puybaret]

This must be the ceiling of some rooms. The height of a level is used to compute the elevation of ceilings and you should enter the height of the level, not the altitude of the ceilings.
So I guess the last column of your level modification dialog box should rather display 320.

[paolocesari]

I'm really stupid, as you say the height of the rooms should be set at 320 cm.
Problem solved, thank you very much!