Questions tagged [atmospherics]

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Can raytracing be used to determine a certain gas distribution in a real planet's atmosphere?

I want to calculate the capacity that the planet Mars has regarding protecting against UV-light for a final project I will be doing my last year in upper secondary school. UV-light is mainly absorbed ...
Josefin's user avatar
2 votes
1 answer

Numerically integratable fog volume feathering along a ray

I haven't been able to come up with a good solution for this myself, so I thought I'd ask if anyone else has any good ideas on how to approach this problem. Here's more or less what I'm trying to do ...
smootherstep's user avatar
2 votes
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Atmospheric scattering band/seperation artifact

I am currently experimenting with some atmospheric scattering in glsl in my OpenGL engine. I am experiencing a strange phenomena where a strange band / separation artifact appears along the middle of ...
user10037795's user avatar
4 votes
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Color of the Sky [closed]

What is the color of the sky depending on the time? I'm looking for a set of colors (HTML-Code), the sky has during sunrise, morning, forenoon, noon, afternoon, evening and sunset. A formula to ...
dudas's user avatar
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15 votes
1 answer

How can I model distant rain?

Close up, rain can be modeled as transparent balls of water with appropriate motion blur. This seems impractical for large volumes, which would be necessary for scenes of rain in the distance. At ...
trichoplax is on Codidact now's user avatar
12 votes
1 answer

Volumetric rendering fundamental concepts and terminology

Literature on rendering volumetric materials and effects tends to use a lot of mathematical physics terminology. Let's say that I have a decent handle on the concepts involved in surface rendering. ...
John Calsbeek's user avatar