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Missing Ground Polygon Section

RicherSims

RicherSims

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dominica
First, thank you Arno for your wonderful tool.

Using the Ground Poly Wizard. All goes fine in the setup. But in FS one particular piece of my poly disappears up close and reappears at distance. (For example, greater than 48x Zoom in FSX).
I checked the created BGL in MCX and the piece appears fine (attached image number 2), but in FS it does not appear when zoomed in close (attached image number 1).

I can confirm that the entire area is of the same altitude. Any ideas what the issue might be?
 

Attachments

  • missing_piece1.jpg
    missing_piece1.jpg
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  • missing_piece2.jpg
    missing_piece2.jpg
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Hi,

I would indeed first check if the flatten is covering the whole area. And check if the altitude you entered in the wizard (in meters) is the same as the flatten altitude.
 
Yes, sorry if I was not clear. That is what I meant. I used a flatten. I had originally thought that an altitude of 0 in the wizard was AGL, but I have since then corrected it to match my airport flatten altitude and still no change. Most appear, one does not.
 
Last edited:
Try placing that polygon/polygons at 0.01 ft/m above the ground in the wizard instead of exactly on the ground?
 
Hi,

Maybe you can post your ground polygon and flatten bgl files, so that we can test it?
 
I fixed the issue. Thank you for your help Arno and Tgibson.
Your comment on raising the polygons slightly lead me to investigate the reference points. Turns out I had a hydro polygon, near where the water appears in the first attachment, that caused the reference point of that group of ground polys to be different from the rest, thus it was underground.

I unchecked the group poly into 500m sections, instead, using a single reference point at the center. That fixed it. All level and showing.
 
Glad to hear you fixed it. Seems like not the entire area was flattened to the same altitude then.
 
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