Sky preset atmosphere

De DigiWiki.

This window can be accessed by going to the top menu bar and selecting World -> Environment Editor -> Sky Presets -> New preset or Edit Preset (If you Edit an existing preset, you can save it with a new name, thus creating a new one). The windows are almost the same, except that in Edit mode, you select an exiting preset to modify, while in Create mode, you supply a new name to use and start out with default values.

Atmosphere and Sun Tab

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Atmosphere Settings

• Blue Horizon: Drag the RGB (Red, Green, and Blue) sliders to adjust the sky's color. The I (Intensity) slider moves all three RGB sliders in unison.
• Blue Density: Affects the overall color saturation of the sky and fog. Control individual saturation channels with the RGB sliders. Drag the I slider to the right to make colors brighter and more vibrant; move it all the way to the left to make colors duller, eventually fading to black and white.
• Haze Horizon: One of the most useful settings for adjusting overall light exposure. Can simulate many exposure settings, such as white-outs from the sun and darker, closed-iris settings.
• Haze Density: Controls the level of dull, gray haze in the atmosphere. Effective for simulating scenes with high levels of smoke and man-made pollutants, as well as simulating fog and mist.
• Density Multiplier: Affects the overall atmospheric density. At lower settings, it creates a feeling of "thin air," and at higher settings, it creates a very heavy, smoggy effect.
• Distance Multiplier: Adjusts the Viewer's perceived distance. A value of 0.0 effectively turns off WindLight's influence on terrain and objects. Values greater than 1.0 simulate greater distances for thicker atmospheric effects.
• Max Altitude: Adjusts the altitude calculations for atmospheric lighting. At later times of day, this is useful for adjusting how "deep" the sunset appears.

Sun and Moon Settings

• Sun/Moon Color: Click to adjust the color and intensity of direct light.
• Ambient: Click to adjust the color and intensity of ambient atmospheric light.
• Sun Glow Focus: Focus controls how blurred the sun is over the sky. At very high settings, this can cause the sun to completely wash out a portion of the sky with brilliant light, and at zero, will cause the sun (but not the light it casts) to disappear completely.
• Size: Controls the sun's size. If the sun appears blocky, increase Preferences -> Graphics -> General -> Windlight Sky Detail.
• Star Brightness: Adjusts the brightness of the stars in the sky.
• Scene Gamma: Adjusts distribution of light and dark. Lower gamma values have higher contrast.
• Sun/Moon Position: Controls the vertical location of the sun or moon in the sky.
• East Angle: Controls the horizontal location of the sun or moon in the sky. Similar to azimuth.
• Make this preset my new sky setting: Applies the preset.

Clouds Tab

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Cloud Settings

• Cloud Color: Sets the cloud color. White generally looks most realistic, but you can simulate alien planets with strange colors.
• Cloud Density: Controls cloud positions with the X and Y sliders and how dense they are with the the D (Density) slider.
• Cloud Coverage: Controls how much the clouds cover the sky.
• Cloud Scale: Controls how frequently the cloud image repeats on the sky dome; lower values look artificial.
• Cloud Detail: Controls the detail image layered on top of the main cloud image. X and Y control its position; D controls how puffy or fractured the clouds appear.
• Cloud Scroll X/Y: Controls cloud speed as they move in the X and Y directions. Lock freezes them.
• Make this preset my new sky setting: Applies the preset.

From Sky Presets - Atmosphere

See this page for documentation on Firestorm 4.3.0 (30936) and earlier.