No Bridge Shadows

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  • Rick-MONON
    1500 Post Veteran
    • Feb 2008
    • 1795
    • Elizabethtown, Ky
    • ORTS

    #1

    No Bridge Shadows

    Anyone else noticing this in OR.

    No Bridge Shadows when Dynamic Shadows and Shadows for all shapes are both checked.

    Seems anything under the rails will not produce a shadow????

    Attached Files
    Rick

    http:\\mononrr.com

    MONON-2

    sigpic
  • Rick-MONON
    1500 Post Veteran
    • Feb 2008
    • 1795
    • Elizabethtown, Ky
    • ORTS

    #2
    Also, the shape we are looking at is a track shape. The A1t70m7Bridge1.s shape.
    Rick

    http:\\mononrr.com

    MONON-2

    sigpic

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    • dcarleton
      1000 Post Veteran


      • Nov 2008
      • 1004
      • MSOR

      #3
      If a shape is enabled to 'alpha out' portions of the shape, OR sunlight may see right through the shape, alpha or not. Thus, no shadow.

      Comment

      • Rick-MONON
        1500 Post Veteran
        • Feb 2008
        • 1795
        • Elizabethtown, Ky
        • ORTS

        #4
        All msts tracks that are a bridge shape also, all do this, this maybe a bug to fix.

        Also, in this piece the msts track section The A1t70m7Bridge1.s shape

        has the 7bridge2.ace and the 7bridgetrack.ace.

        It has alphas, BUT....... not for the part the is the bottom of the bridge which is under the track.
        Rick

        http:\\mononrr.com

        MONON-2

        sigpic

        Comment

        • Rick-MONON
          1500 Post Veteran
          • Feb 2008
          • 1795
          • Elizabethtown, Ky
          • ORTS

          #5
          more pics



          Attached Files
          Last edited by Rick-MONON; 10-27-2019, 10:46.
          Rick

          http:\\mononrr.com

          MONON-2

          sigpic

          Comment

          • dcarleton
            1000 Post Veteran


            • Nov 2008
            • 1004
            • MSOR

            #6
            Originally posted by Rick-MONON
            It has alphas, BUT....... not for the part the is the bottom of the bridge which is under the track.
            Correct. And for that reason OR sunlight treats the entire matrix as if it is alpha'd out, thus no shadows.

            We can sometimes see this same effect with rolling stock. A long freight train will be going by, and some of the cars won't be casting shadows. Those cars likely have their superstructures enabled to alpha out certain details, door openings, etc. Sometimes the shape and/or the texture can be adjusted to fix it, sometimes not.

            This issue is most likely to be found in early MSTS models which were very fastidiously created for low poly and minimal textures. The bridges in question are most definitely from that generation.

            Comment

            • EldoradoRailroad
              Senior Member

              • May 2010
              • 212

              #7
              I am pretty sure that by design, all track shapes do not cast shadows in Open Rails, this includes track shapes that are surrounded by bridges. The only way around this is to copy the shape and not use it as a track shape, by renaming it etc. You will have to lay simple track over that bridge. It is not the best solution as you will have flickering because of Alpha Blend as the camera moves toward or away from the track. There is a better way, but the solution will be frowned upon here by not thinking outside the box.

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              • dcarleton
                1000 Post Veteran


                • Nov 2008
                • 1004
                • MSOR

                #8
                I stand corrected.

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