Looks rather prominent from Space, not so much from the ground even at noon, and fades away as the Sun disc changes color while it sets.



Needs a SG patch to work, I guess I need tor each Durk for that.
Thorsten wrote in Tue Aug 25, 2015 8:39 am:Looks rather prominent from Space, not so much from the ground even at noon, and fades away as the Sun disc changes color while it sets.
Note that the ring around the sun in this picture is created by a lens. You wouldn't see it without a camera.
What about human eye effects?
What you actually see looking into the sun is... complicated. Part of it is simply oversaturation of the light-sensitive cells in the eye - which is what fades immediate brightness and creates dark after-images later as the cells aren't ready to receive light for a while. Part of it is deviation from logarithmic Weber-Fechner intensity perception - actual light intensity isn't perceived on the typical log scale. Part of it is color de-saturation of the scene surrounding the glare - color contrasts seem to go away to some degree. Part of it is spikes/rays generate in the lens of the eye.
LesterBoffo wrote in Tue Aug 25, 2015 7:52 pm:Wings Over Flanders Fields have recently upped their sun effects and shaders.
Although it's really nice I think it's a bit overdone.
bugman wrote in Wed Aug 26, 2015 7:38 am:Camera lens effects would be great for a dedicated 'camera' external view - they would make for interesting promotional videos with flybys, for example - but inside the cockpit they should most definitely be off as they are not realistic and not what you'd ever see.
And the aircraft windows have tiny scratches and grooves that can make the glare more intense. Sometimes to a crazy degree if you have an older aircraft that has a worn out glass from all the years of dirty rugs used to clean the bugs from the windshield.
gluon wrote in Sat Aug 29, 2015 7:09 am:Since the introduction of shaders and especially ALS I've wondered if the Mie scattering could be better done with a shader that covers a wider area and doesn't create the visible "ring" at the end of the texture. Ideally it would be a soft transition.
Also, the sun is created with multiple textures which were necessary for simulating the changing color gradient of the 'halo' at sunrise. This could probably also be done more elegantly with a shader nowadays.
gluon wrote in Sat Aug 29, 2015 7:09 am:My 2¢ since I'm the person who has coded the current sun code and created the textures:
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