Keep out with poly line/arcs

Hi @all!

I have a problem creating keep outs with individual outlines. I do have a shape basicly circular - it look a bit like a gearwheel. I do have that shape as an dxf so i can use the import function of allegro. But (correct me if i'm wrong) i have to use a filled shape for creating a keep out.

This far i found just one way to create that: By importing a filled shape from the dxf. But in that case allegro is creating the shape filled with triangles.

For the keep out it would work, but it would not look nice. But for a second area this is quite a problem: I want to create areas with a height restriction. I was told that i should import the area to the "Place_Bound_Top" layer and  set the properties of the area accordingly. But if the area is filled with those triangles i would have to set the height restriction for every single triangle (ok, i know, i can set the parameters for all triangles at once - but i still have to select every single triangle).

 I also tried to create the shape with the allegro tools (-> "shape add"), because i figured that those shapes would be filled "solid". But i'm not able to create the shape i need with the allegro toolset.

Is there a way to get rid of the triangles? Thanks in advance!