Water culled at low angle

[ngoluan]

I just upgraded from 1.43 to 1.46 and I noticed a peculiar bug. In deep ocean, the water is being culled when the camera is at a low angle.

Near terrain, it seems to look fine.

[hpinkos]

Thanks for reporting this @ngoluan

@bagnell do you think this is related to the log depth changes?

[hpinkos]

I haven't tried to reproduce this, but I'm marking it next release since it seems like a regression

[ggetz]

Reported on the forum: https://groups.google.com/forum/#!topic/cesium-dev/a9yDu6S-HmI

[hpinkos]

I was able to reproduce this in Sandcastle by moving the camera around. It does seem to be related to log depth.

@ngoluan as a workaround, you can set viewer.scene.logarithmicDepthBuffer = false; until we have a chance to fix the problem

[ngoluan]

Thanks for being responsive @hpinkos!

[pjcozzi]

@bagnell any thoughts on this?

[cesium-concierge]

Congratulations on closing the issue! I found these Cesium forum links in the comments above:

https://groups.google.com/forum/#!topic/cesium-dev/a9yDu6S-HmI

If this issue affects any of these threads, please post a comment like the following:

The issue at #6652 has just been closed and may resolve your issue. Look for the change in the next stable release of Cesium or get it now in the master branch on GitHub https://github.com/AnalyticalGraphicsInc/cesium.

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[hpinkos]

Thanks again for the bug report @ngoluan! This issue has been fixed and will be included in the 1.47 release available July 2nd.