Ryan Mason Posted October 29, 2010 Share Posted October 29, 2010 Well I have been trying on my own to solve this issue I have been having, while it appears like stutters, I have constant FPS of a reasonable level, however on take off and landing the gound mesh seems to pop at me, coming up close then falling away, see attached video, it looks like stutters, but it's purely the ground and not the whole FSX display, in the video when approaching the runway I am full down collective with no RPM. While I should still have forward speed, you will see as I get lower you actually see the helicopter seem to raise up again, this is with zero input from me, the aircraft should have fallen out of the sky for almost the whole runway. I am hoping someone in the community might have had it happen to them and figured out a solution. Cheers Link to comment Share on other sites More sharing options...
Ian Routley Posted October 29, 2010 Share Posted October 29, 2010 My guess Ryan, is that this relates to a lag in loading higher LOD mesh ... mainly a function of HDD speed / memory bandwidth. I'm not sure how much anticipation is built into the system, but it would seem likely that if there is any it is probably tailored to fixed wing a/c rather than helis. (ie horizontal flight, rather than vertical descent) A sudden drop down, and the higher LOD mesh is a bit slow to be loaded. I could be wrong. Link to comment Share on other sites More sharing options...
Ryan Mason Posted October 29, 2010 Author Share Posted October 29, 2010 Problem being Ian, I have tried so many things, changing LOD levels, changing mesh levels, activating/deactivating each scenery/mesh bit by bit arrgghh the list goes on. It has only developed in the last 2 months Link to comment Share on other sites More sharing options...
alan2 Posted October 29, 2010 Share Posted October 29, 2010 I dont know ,but a stab in the dark . Nvidia control panel , the number of pre rendered frames . Maybe increase by one ? Link to comment Share on other sites More sharing options...
Wolter van der Spoel Posted October 29, 2010 Share Posted October 29, 2010 don't use more than 3 pre-rendered frames anything higher is overkill and drains resources = slowdown deteriorated performance Link to comment Share on other sites More sharing options...
Plexi1 Posted October 29, 2010 Share Posted October 29, 2010 I had this also once but I never found out what caused this and it never happend again Link to comment Share on other sites More sharing options...
Blitzer Posted October 29, 2010 Share Posted October 29, 2010 My first port of call would to be renaming the fsx.cfg and letting FSX builld a new one, test that and then gradually make any changes from there. \ Link to comment Share on other sites More sharing options...
Ryan Mason Posted October 29, 2010 Author Share Posted October 29, 2010 Paul, I tried the cfg to no avail, I will have a look at the pre rendered frames and see what that says, it's so bizzare because I never mess with my settings and it just appeared all of a sudden and has stayed with me Link to comment Share on other sites More sharing options...
Ausiguy Posted October 29, 2010 Share Posted October 29, 2010 What does your altimeter show when the mesh is moving? Is it static or moving. What I am wondering is the terrain moving up and down or is the helicopter moving up and down without you doing it? You might have thermals if that's the case since you only started using CumulusX a short while ago. Link to comment Share on other sites More sharing options...
Blitzer Posted October 29, 2010 Share Posted October 29, 2010 You might have thermals if that's the case since you only started using CumulusX a short while ago. That's a very good point, I have experienced quite sudden and odd seeming altitude changes at times when using cumulusx which can seem like something is wrong. Ryan - do you have Ezdok this could also be something to consider as a possible cause of strange movements, although your description somes like graphics glitches? Link to comment Share on other sites More sharing options...
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