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Thread: Scenery Terrain and non-flat runways

  1. #1
    Join Date
    Feb 2012
    Posts
    110

    Default Scenery Terrain and non-flat runways

    Hello,

    I have a couple of questions.

    ** How does one apply a airport mesh structure to an area that is in slanted and almost hilly terrain?

    ** Also, how does one do a runway that corresponds to the terrain? My thoughts are, you just adjust, export, test, repeat, until its proper. That might be time consuming. What if we could export a tile of land from the sim? Then narrow into the exact polygons location and cut that part out (in Max) and work on it in there. (Just thinking out loud).

    I am looking to do the Wickenburg airport in Arizona, NW of Phoenix. The runway goes downhill. Can one cut out the scenery and import it into Max to work on it? Then export?

    ** Also, when you export a scenery, do you have it slightly higher then the grid lines in 3DS Max so that it does not have bleed-through from the terrain polygons under it?

    From the SDK:
    Auto height 'on' is used for more than 99% of the airports and is the preferred option for
    several reasons. It uses Aerofly's elevation data to transform the runway mesh and
    building positions to their final elevation. This has the major advantage that the entire
    airport ground can be modeled flat in 2 dimensions. This is much simpler and faster to
    create and it still features sloped runways in the engine. Objects like buildings will
    automatically be set to the correct ground level.
    When using the manual mode the entire ground mesh, runway and objects have to be
    modeled at the correct elevation above sea level.
    Does this mean that the mesh is conformed by the Converter to fit perfectly over the existing terrain mesh in the sim? (If so, that is very impressive...! )

  2. #2
    Join Date
    Oct 2009
    Location
    Stuttgart, Germany
    Posts
    1,688

    Default

    There are two ways to model the airport:
    a) real 3D mesh
    you will need the accurate height data for the ground (trial and error if you don't have any). Only Zurich and few other locations have been built this way.

    b) flat airport with 3D transformation using the Aerofly engine
    If you build your airport flat the Aerofly FS 2 engine will transform the aircraft ground mesh using a polynomial fitting curve of the ground mesh. This means runways and taxiways, etc. are all bend so that they fit the overall curvature of the terrain. Buildings are moved as a whole up/down. 99.5% of the airports in the Aerofly FS 2 are done this way.
    Aerofly-Sim.de
    My personal webpage for free add-ons for Aerofly FS 1+2, Aerofly RC 5+7 and AFPD simulators.
    Including: Aerofly FS 2 Flight Simulator Cessna 172SP - Cold And Dark mod

  3. #3
    Join Date
    Feb 2012
    Posts
    110

    Default

    Cool. Ok, good to know.

    I found an airport this morning in the sim that was on an incline; 'Laughlin KINP'. On slanted terrain. So this will work great.

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