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FSXA Ground Polygon appears broken

JPetroSS

JPetroSS

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520
Country
greece
Hello Arno,

I'm sorry to bother again.
First of all, thank you for this great tool you provided us.

I seem to have a problem with ground polygons though.
My ground polygon appears broken in triangles or missing parts of it when exported as a layer in MCX.

I usually use a 4096x4096 rectangle plane with alpha as a ground poly and I place it on the layer number 32 (on top of everything).

Do you know what could have gone wrong?

I don't have any problems exporting runway polygons, taxiway polygons, aprons etc.
Only the ground polygon creates this problem.

I'll attach a screenshot as soon as I return to my PC.

Would like to hear your opinion and most of all thanks again for the precious tool you created.

Regards,

Peter
 
No...unfortunately it didn't work.
The ground poly is still shattered to pieces.

Its does not flicker, it appears broken to triangles.


I attached two screens of how it looks...hope you can help me solve this issue. :)
 

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This is often a problem if the ground is not flat. Are you sure you have flatten polygon in these areas?
 
Yes, I'm pretty sure that the ground polygon is placed on a flattened area.

I tried flattening 4 x times the size of the airport and still, the ground polygon is broken to pieces or missing parts.

So, it cannot be a flattening issue!

Do you have the same issue when making a ground polygon layer?
 
Hi Petro, if you have made sure that your poly is broken down every 100m or so, the most likely reason is a modelling problem. I d suggest that you check that your vertices all flat on that big polygon and that you have no breaks in it by overlapping vertices. Once you make sure of this, try a quick render in MAX, that'll show you if you have big breaks in the poly.
 
Hello Emilie,

thank you very much for your advice.
I have not broken down my polygon, nor am I sure how to do this.

I will show my super-simple ground polygon in the screenshot.
Used GMAX in order to convert to MDL.

I just used Rectangle + Poly Select (or just a plane object).

1.jpg
 
Hi,

The breaking into 100m chunks is done in the ModelConverterX Ground Polygon Wizard.
 
Nevermind guys,

I reverted back to v1.30 of MCX and was able to export the polygon to fsx without any issues!
I had been using v1.40 which seemed to have some issues with the ground polygons.

:)
 
Hi,

Could you send me your file for testing? Version 1.4 is supposed to work as well.
 
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