Sky preset atmosphere
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=====Create/Edit Sky Preset===== | =====Create/Edit Sky Preset===== | ||
Version du 28 mai 2013 à 13:36
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Create/Edit Sky Preset
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
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
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.
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From http://wiki.secondlife.com/wiki/Viewerhelp:Sky_Presets_-_Atmosphere
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\\ See this page for documentation on Firestorm 4.3.0 (30936) and earlier.
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