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Terrain Defects


 
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ctoguz (Can T. Oguz)
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Joined: 21 Apr 2011
Posts: 14

PostPosted: Fri Jul 24, 2015 4:16 pm    Post subject:
Terrain Defects
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Hi There,

I've just re-built our terrains after porting to 3.4.0RC5 & VS2013. And I have some questions about it.

First there are attachments:

1. default_skirt_ratio.png
2. high_skirt_ratio.png (0.2)
3. low_skirt_ratio.png (0.0000000001)

Seeing the first one I thought it was about the tile edges and tweaked the skirt ratio value - first with a high ratio in order to cover the gaps; then it got worse, so I used a very low value and It looked better but also i realized that it's not about the tile edges or gaps but the z order. Further parts have a prior visibility, that's why it looks broken. And by the way osgviewer renders it perfectly good and there's not much difference instead that I scale and translate the terrain, I don't use continious frames and I don't use OSG manipulators.

Please note that the same data used to work perfectly ok with OSG 3.1.1. When I had switched to 3.4.0 RC5, I thought that the terrains I've built using the old OSG & Virtual Terrain Builder was not compatible in a way and I've rebuilt them. Now the result is very much the same so I think it's something about the way I use OSG. It was tolerable with 3.1.1 and now it shows.

Any ideas?

Thanks & Regards,

Can
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