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C-JEAN

Below ground-level highway

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Hello all fellow pilotsHere in Montreal we have an important stretch of highway which spans over about 4 miles, the Decarie Highway. This is particular in the sense that it is below level land. Basically they dug right down and put it below. It is not covered (tunnel) Decarie blvd which runs parallel to it on both sides (like a service road) is on ground level. Going from one side to the other, the overpasses stay flat as the highway is below ground level. I would like to do this. How would I go about doing it (FSX or FS9) Do I need to modify the mesh? or a poly? Please help as this would open doors to all those intersections who go below ground rather than having an overpass.Thanks!MarcMontreal

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Hi Marc,this is tricky. It's possible to create narrow linear flattens (including sloped ones for the ramps) that would create such a "trench" but its definition, meaning the steepness and shape of the banks is directly tied to the mesh resolution slider (or the equivalent Terrain_Max_Vertex_Level setting in FS9) of the user's system.Thus, most developers would probably choose to make a GMax model of the entire trench/overpass system. I believe that sinking that into the ground would work though I have no first-hand-experience with this approach.Cheers, Holger

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Hi Marc. Try also: invisible runways. . .They should "pull" down the image of the highway. If that works, DON'T forget to switch OFF ALL visual effects, in ALL the menus,and ALL nav-aids systems. . . Blue skies.

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