Milkyway saturation effect (Fix #175) #242
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Add a new method of StelPainter: setSaturationEffect(float v), that allows to adjust the saturation of color textures. I haven't tested the speed much, I hope this is not too slow.
Add a new config value (milky_way_saturation_effect, default to 0) to adjust the saturation of the Milkyway texture.
Instead of -1 to 1. This doesn't allow to oversaturate a texture, but makes the code easier to understand (0 -> no saturation, 1 -> normal saturation).
a) Added tooltip for saturation scale b) Enabled the saving the saturation value into config.ini c) Enabled formatting for some float values in config.ini
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Added ability to change saturation of the Milky Way texture