Default US Tracks Upgrade - Dynamic Flicker

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  • scottb613
    2500 Post Veteran


    • Apr 2003
    • 2848
    • Downeast Maine (soon)
    • ORTS

    #1

    Default US Tracks Upgrade - Dynamic Flicker

    Hi Folks,

    Anyone else notice the constant texture flicker - when using Eric's fantastic upgrade to Default Track with Dynamic Track?

    If you use any route with the Default Track and superelevation - you are using Dynamic Track - even if the route didn't have any to start with. The superelevation necessitates the use of a "TRACKPROFILE" and Dynamic Track.

    I think I found a fix for the texture flickering.

    I saved the US_Track3 texture as a DDS DXT5. The Dynamic Track was a bit darker than the default track - between the rails - so I darkened the texture. Because I darkened it - I had to differentiate between the two textures and pointed the Track Profile to a texture that wasn't darkened.

    The following file has the updated "TRACKPROFILE" and 2 DDS textures. Just copy the DDS to your routes "Texture" directory - simply delete them to undo. Save first - then drop the "TRACKPROFILE" into the root of your route directory. I was testing on the old Sandpatch - so this is just a grey ballast. You shouldn't be able to detect any difference or flashing on the track between Default and Dynamic. It seems to work quite well.

    US_Track3.zip

    Regards,
    Scott
    Attached Files
    <a href=https://www.trainsim.com/forums/filedata/fetch?filedataid=80663&type=full title=thumb_80663.png >thumb_80663.png</a>​ My Blender Models
  • eric
    9500 Post Veteran and Administrator



    • Dec 2002
    • 9583
    • NS MP245.4 CNO&TP South District
    • English, SQL
    • General

    #2
    Flickering typically comes from two shapes fighting over alpha sorting, and the profile doesn't really have a way to define that. Changing the texture color might lessen the effect.
    If you like what you see here at Trainsim.com, be it the discussions and knowledge in the forums, or items available in our library, I hope you'll consider a paid membership to help support keeping the site operating.... Thanks!

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    • scottb613
      2500 Post Veteran


      • Apr 2003
      • 2848
      • Downeast Maine (soon)
      • ORTS

      #3
      Originally posted by eric
      Flickering typically comes from two shapes fighting over alpha sorting, and the profile doesn't really have a way to define that. Changing the texture color might lessen the effect.
      Hi Eric,

      Thanks - yep - understood - I was posting a fix...


      It seems to work well.

      Neither Default Track nor Dynamic Track - flash - and they are indistinguishable from each other.

      Hopefully someone confirms it works well for them as well.

      Regards,
      Scott
      Last edited by scottb613; 01-26-2025, 08:48.
      <a href=https://www.trainsim.com/forums/filedata/fetch?filedataid=80663&type=full title=thumb_80663.png >thumb_80663.png</a>​ My Blender Models

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