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Anti-aliasing: Difference between revisions
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[[File:Rotor_wash.jpg|thumb|300px| Volumetric grass effect using the overlays]] | [[File:Rotor_wash.jpg|thumb|300px| Volumetric grass effect using the overlays]] | ||
Overlays benefit from transparency anti-aliasing. | A 2nd anti-aliasing option is transparency anti-aliasing. [[Category:Screenshots_of_Overlays|Overlays]] benefit from transparency anti-aliasing. Overlays add very small scale 3d detail to ground when regional terrain has been updated with overlays. Transparency anti-aliasing is most noticeable on overlay grass (High super-sampling transparency anti-aliasing [http://wiki.flightgear.org/images/2/2c/Rotor_downwash_of_the_Aircrane_on_grass%2C_Florence_Airport_%28LIRQ%29%2C_Tuscany%2C_Italy_%28Flightgear_2018.x%29.jpg example]). Transparency anti-aliasing can be enabled in the control panel for NVIDIA and AMD GPUs. However as of March 2020, this is also applied to things like trees by Flightgear. High vegetation density with overlays can cause a bottleneck depending on GPU. Transparency anti-aliasing can take up a lot of GPU time. | ||
This is in addition to overlays being demanding. | |||
The Multi-sample (MSAA) option has the best results without too much slowdown. It's recommended. The super-sampling option is slower. | |||
If you're not using overlays the transparency anti-aliasing does not make too much of a difference. It may make a slight visible difference to vegetation, but leaves are fuzzy anyway and it's fine to have it off. | |||
== Tips on using anti-aliasing settings == | == Tips on using anti-aliasing settings == | ||