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Ground polygons (ASM tweak)

Very interesting ... a little piece of info

Greetings to all,

Like I discovered lately thanks to this community and Arno, than the way I used to make ground polys in Gmax is gone with FSX ...
Namely using materials on the ground polys prefixed with zbias_#, which was creating non flickering polys lying ont the ground ...

That is the purpose of this article !!

However, when you are in the process of designing the scene and your ground polys are not fully ready, it is tedious and time consuming to redo the ASM edit over and over ...
In reading the makemdl 2002 documentation again yesterday I re-discovered that it accepts the zbias syntax ...

So, if you design a ground polys in Gmax, apply it a material with zbias_# prefix (for example zbias_2_aprons) export it with the FS2002 gamepack straight to BGL ...

You will get unflickering polys !!! YES without a tweak of the asm but without the shadow of the plane on them

Can someone confirm this result I achieved last night at 2 am:eek:

Once, everything is in place to finally tweak the ASM in order to get the shadows of your plane over those polys.

I found this interesting, during the scene building because tweaking the ASM is work ... so redoing it like ten times is a waste of time during layout ...

Best regards

GH Portefait
 
Hi,

For testing this approach might work, but I would not advice the ZBIAS option for BGL files you intend to use in your scenery. Besides the shadow you are also likely to encounter problems with buildings sinking into the ground from a distance or the wheels of your aircraft sinking in. So it is better to apply the tweaks.

To prevent editing the file again and again, I normally make sure that the file edited has a different name, but still calls the _0.ASM that GMax made. That way the next time I export the _0.ASM is overwritten and I only have to recompile the ASM I made to get a new BGL file.
 
Understood !!

I will follow those guidelines !

many thanks

Best regards

GH Portefait

PS too bad you are not writing on tweaking air files for rotorcraft ;)
 
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