I'm seeing weird artifacts when drawing many (500 - 1300) mostly overlapping polygons using CZML.
The artifacts disappear when the number of images is reduced (I have not seen any when number of polygons is below 200)
The artifacts are fixed ie they do not change when zooming/panning switching between 2D/3D, etc.
Cesium 1.28, Chrome 55.0.2883.75 m (64-bit) (Same in Edg), Windows 10, NVidia K2000
How can I fix it?
I use the following code: