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MSFS Ground Poly Import as Mesh

I tried loading a P3D Ground Poly as a Projected Mesh...and to my surprise it is not too bad.......except for these line irregularities, which happen every 200ft or so.
Any idea what could be causing this?

Dont take my word for it, because I haven't done it in a while. But from what I recall, the tiles in your 3d modeling software have to be tessellated a few times to split the mesh into more squares. I recall seeing notes about projected meshes having to be divided into 200mx200m squares. Or I could be thinking about something totally different. Give it a try.
Well, I started testing.....and created a new ground poly with taxi lines using p3dv5 as a baseline.....and so far so good. I'll continue to test as I add more features to see if something triggers it back.

Got it to work! Some things I learned along the way..

-LOD at the sim needs to be at least 200 for lines to display solid and crisp
-Z Bias on FS needs to be positive, just like FSX! the P3D negative bias doesn't work....it just ignores it. Layers DO work perfectly!
-SDK Dev Mode is still the best for apron and taxiway texturing
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