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P3D v3 Scenery disappearing under certain angles

Messages
91
Country
greece
Hi again!

This scenery is the first one I had made back in 2010 and I recently updated it for P3D, by fixing the non-showing taxiways in the AFCAD and also adding a few details. It works fine in FSXA, FSXSE and P3D2.5. Only in P3D3.2 I have this problem shown on the following video:


As you can see all the airport disappears under certain angles, mainly low angle and when looking north. All is OK when looking south.

ORBX Global, Vector and OPENLC EU are active. Reading other threads here, I tried deactivating the ORBX libraries entry in the scenery library and the problem went away. I can not however keep them deactivated as I also use ORBX scenery.

Again, the problem exists only in P3D 3.2, all other sims are fine.

Your good input and advice would be much appreciated.
 
Messages
13
Country
germany
Hi,

I am having a similar issue with custom made polys in 3DSM. Although my runway,taxiway and apron textures (no alpha) are visible in the sim (P3Dv3.2) all the time, textures like runway marks, various lines, noise layer (with alpha channel) etc disappear/appear when panning the camera. Sometimes they are not visible at all and only reappear after I refresh the scenery library and even then, chances are that they will again vanish depending on the camera view.

I am almost sure that it is a Alpha/blending issue. For FSX I was always setting my material to "Default Transparent". For P3Dv3 I do the same, but in MCX's Material Editor I can see that my materials need the default transparent applied to them again, this time via MCX, or else they won't have transparency in the sim. I have experimented with Z-Bias, have always "No Z-Write" and "No Shadow" checked, but without any success.


Something that confused me even more is that on my PC I have the before mentioned issue but don't have any problems with the aircraft casting shadows on my polys, and on a friend's PC with the same sim he has no issues with my textures but he has no shadows on my polys at all! o_O

I suppose that it is obviously me doing something wrong and I would be more than happy to find a solution.

Cheers
 
Messages
91
Country
greece
I think this is a different issue. In my case the whole airport disappears, taxiways, runways, objects, the whole lot! There are no ground polys in the scenery. I also find it strange that it goes away and all is fine if I deactivate the ORBX libraries. Any good suggestions would be appreciated.
 
Messages
1,001
Country
us-florida
I think this is a different issue. In my case the whole airport disappears, taxiways, runways, objects, the whole lot! There are no ground polys in the scenery. I also find it strange that it goes away and all is fine if I deactivate the ORBX libraries. Any good suggestions would be appreciated.
Since the problem goes away if you deactivate ORBX I would go to them and see if they can help.
 
Messages
91
Country
greece
Thank you! I'll try what was followed in that case. It seems to be very similar to the many instances of grass in mine.
 
Messages
91
Country
greece
After quite some time a solution was found by a good friend Loukas Kouros. If the scenery is lower than the ORBX libraries in priority in the scenery library the problem goes away. Can't say why but wished to share just in case it helps others.
 
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