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[04JUL21] Possible CTD or FPS loss due to misconfigured 3rd party liveries

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    [04JUL21] Possible CTD or FPS loss due to misconfigured 3rd party liveries

    All,

    It was brought to our attention that there are 3rd party liveries for the MSFS DC6 that have the "isAirTraffic" option set to 1 at the aircraft.cfg

    From the SDK document "If this is set to TRUE (1) then this variation is considered to be optimized for use as a parked plane, or as part of air traffic. If set to FALSE (0) then it won't be used for these things."

    "Setting the isAirTraffic flag to TRUE (1) allows the game to use that variation as a parked (grounded) passive aircraft, and potentially as a part of the "Real Online" air traffic. If a plane variation is marked as isAirTraffic, it should be an optimized variation with a lower level of detail, and therefore it should also be marked as "isUserSelectable=0"."

    This setting must be set to 0 in the DC6 repaints otherwise it can cause CTD's or massive FPS loss when such a model is spawn at the airport or in the air.

    If you have any 3rd party liveries that has this setting to 1 on the aircraft.cfg then we recommend to change it to 0 and inform the painter to fix this.

    Thank you.
    Last edited by Reynolds Number; 04Jul2021, 10:05.
    Chris Makris (Olympic260)
    PMDG Technical Support
    http://www.pmdg.com


    #2
    Chris,

    I use to fly in real time conditions, also regarding other players, but completely without AI traffic except the ground parkers. I experienced some severe rhythmical stuttering (with the -27 version) comparable to the stutters when the simlink plugin crashes in P3D when another DC-6 flew at the same airport. This started when I got closer to this airport where the other guy did circuits. Do you think this was the same problem or might that have a different cause?
    i7-6700k, GTX 1080TI, 32GB DDR4 RAM @2666MHz, 4k
    Marc Ehnle

    Comment


      #3
      Marc

      If you have any livery that has this enabled in the aircraft.cfg then might happen
      Chris Makris (Olympic260)
      PMDG Technical Support
      http://www.pmdg.com

      Comment


      • Ephedrin
        Ephedrin commented
        Editing a comment
        Jup I did.

        I opened a topic at the MSFS forum to notifiy repainters with a link to this topic.

      #4
      oh, good to know.

      I will edit all the third party liveries that I downloaded.
      Andreas Kleinwächter
      EDDK

      Comment


        #5
        This is a good example of having aircraft.cfg files all over the place is a bad idea. So you got those that are installed via the OC, which are put into the PMDG subfolder under community. Then you have those that are installed directly into the community folder, and then you can add addonlinker on top of that
        I think I checked all of them now. Only one that came up with a isAirTraffic=1 was the Buffalo one. Thanks for the heads up!
        Sincerely,
        Andreas Stangenes

        Comment


          #6
          How do you install 3rd party liveries and where are they available from? Thanks.

          Comment


          #7
          Yeah that was a nasty problem. I was getting a CTD going back to the main menu every time at a high detail 3rd party airport that had at least 2-3 DC-6 parked at gates. Then had it at premium deluxe’s KSFO. there must have been at least half a dozen there lol.
          Charles Paluda

          Comment


            #8
            I don’t think the isAirTraffic switch even works in the sim, so setting 3rd party liveries to 1 or 0 will make no difference. The sim ignores this. I have tried with both settings and still get AI spawning where they choose. There are many others with the same experience.
            Greg Hutcheon

            Comment


              #9
              Originally posted by RaptyrOne View Post
              I don’t think the isAirTraffic switch even works in the sim, so setting 3rd party liveries to 1 or 0 will make no difference. The sim ignores this. I have tried with both settings and still get AI spawning where they choose. There are many others with the same experience.
              Greg,

              The sim knows to use the 6 as AI if you set in the options to have non Generic AI models. Then the sim will populate the world with whatever planes you’ve got installed including the6 and this will not cause any issues as these are correctly modeled based on the SDK.

              The issue is this flag should not be used at all from painters. It is causing issues and have been confirmed from multiple users. This is against the SDK. Painters must follow what SDK says and not doing whatever the think is correct. This is the main point
              Chris Makris (Olympic260)
              PMDG Technical Support
              http://www.pmdg.com

              Comment


                #10
                PMDG the dc6 is great! Who would love a PMDG DC-8!? With AFE and the same work as the 6! Please!!!!

                Congratulations once again


                António Lopes
                António Lopes

                Comment


                  #11
                  Hi,

                  Here are my liveries with the sAirTraffic parameter to TRUE (1) :


                  DC6A : Midnight Transport / Buffalo / USA 332240 / USN 128425 / Swissair Cargo

                  DC6B : NCA VS-NCF / Canarias EC-BIR / Swissair / VIVAAerobus /


                  and liveries with parameter set to 0 :

                  SouthWest LSTAR / AIR-FRANCE / Transavia Holland / Trans Australian Airlines

                  Jean-Noel Barruche-Barrois

                  Comment


                    #12
                    What if the aircraft config file doesn't have this line at all? What does it default to, and should it be added?

                    Aleksandar Djordjevic

                    Comment


                      #13
                      Originally posted by tasev1 View Post
                      What if the aircraft config file doesn't have this line at all? What does it default to, and should it be added?

                      Aleksandar Djordjevic
                      If it does not have it, it should default to 0. But to be on the safe side better have it there with 0
                      Chris Makris (Olympic260)
                      PMDG Technical Support
                      http://www.pmdg.com

                      Comment


                        #14
                        if anyone else has identifies add on liveries that need to be removed or corrected perhaps you could post them....thanks.
                        Dave Wilton

                        Comment


                          #15
                          Hi.

                          Since i´ve put those two value on 0 i experience CTD after clicking on "FLY"

                          Am i doing something wrong?

                          isAirTraffic=0
                          isUserSelectable=0
                          Philippe Dufour.
                          Level: Basic Knowledge.
                          PMDG Product: DC-6 FS2020.
                          Blog: TAKE OFF FRANCE

                          Comment


                            #16
                            Originally posted by Phil0671 View Post
                            Hi.

                            Since i´ve put those two value on 0 i experience CTD after clicking on "FLY"

                            Am i doing something wrong?

                            isAirTraffic=0
                            isUserSelectable=0
                            Why did you chnage teh userSelectable? This should be 1.
                            Chris Makris (Olympic260)
                            PMDG Technical Support
                            http://www.pmdg.com

                            Comment


                              #17
                              Originally posted by cmakris View Post

                              Why did you chnage teh userSelectable? This should be 1.
                              Maybe a misunderstood of your first post (my bad english)
                              Philippe Dufour.
                              Level: Basic Knowledge.
                              PMDG Product: DC-6 FS2020.
                              Blog: TAKE OFF FRANCE

                              Comment


                                #18
                                Originally posted by cmakris View Post
                                It was brought to our attention that there are 3rd party liveries for the MSFS DC6 that have the "isAirTraffic" option set to 1 at the aircraft.cfg

                                From the SDK document "If this is set to TRUE (1) then this variation is considered to be optimized for use as a parked plane, or as part of air traffic. If set to FALSE (0) then it won't be used for these things."

                                "Setting the isAirTraffic flag to TRUE (1) allows the game to use that variation as a parked (grounded) passive aircraft, and potentially as a part of the "Real Online" air traffic. If a plane variation is marked as isAirTraffic, it should be an optimized variation with a lower level of detail, and therefore it should also be marked as "isUserSelectable=0"."

                                This setting must be set to 0 in the DC6 repaints otherwise it can cause CTD's or massive FPS loss when such a model is spawn at the airport or in the air.

                                If you have any 3rd party liveries that has this setting to 1 on the aircraft.cfg then we recommend to change it to 0 and inform the painter to fix this.
                                I've checked all my aircraft.cfg files (including the ones added by Ops Center) yet I still get the DC-6 showing as static when I have ground aircraft greater than zero. I suspect the official PMDG liveries may have AI-optimised models - would that explain why I'm seeing them?

                                Adam Banks.
                                Last edited by Adamski_NZ; 17Aug2021, 22:07.
                                Adam Banks (Adamski_NZ) : http://www.nzfsim.org

                                Comment


                                  #19
                                  Thanks for the heads up. I’ve been getting CTD‘s in Alaska where also the Buffalo Liveries would load as AI.

                                  So I‘m off to a TestFlight now. Let‘s see if it still CTD‘s on me.
                                  Georg Müller

                                  Comment


                                    #20
                                    I did some further tests. With Ground Aircraft Density set to anything above zero, I get static aircraft showing of any aircraft currently enabled/active - even though isAirTraffic is set to 0.

                                    Did this change with SU5? How can I prevent these un-optimised models/liveries showing (and impacting performance)?

                                    Adam Banks.
                                    Adam Banks (Adamski_NZ) : http://www.nzfsim.org

                                    Comment


                                      #21
                                      Same here. I see the Red Bull liverie on several airports.
                                      and i just saw the PMDG standard liverie on YSSY.

                                      Jos van Grevenstein
                                      Last edited by JARVG; 19Aug2021, 20:46.
                                      Jos van Grevenstein

                                      Comment

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