A physical sky creates the realistic appearance of a sky background with various levels of cloudiness. When used in conjunction with the heliodon (Vectorworks Design Series required), the sky’s appearance is appropriate for the set time of day and can change its appearance automatically during a solar animation. Several Renderworks styles incorporate the use of a physical sky background; these are preset to give the design a specific look at a certain time of day. However, you can also create your own physical sky background for use in rendering.
Because the physical sky uses environment lighting (see Creating Panoramic Image Backgrounds), the sky provides a light source.
To create a physical sky background:
Create the background resource as described in Creating Renderworks Backgrounds.
Select Physical Sky from the Background list.
The Edit Physical Sky Background dialog box opens.
Click to show/hide the parameters.
Set the parameters and click OK to use the physical sky in the background.
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