Chapter 23
Exterior Light
Exterior lighting uses sunlight to illuminate a rendering. For exterior lighting, there are two general options: you can use the SketchUp Shadow menu or image-based lighting (IBL/HDRI). All IRPs support the SketchUp Shadow menu to set lighting; the Shadow menu is also referred to as the Physical Sky setting in the IRP. Some IRPs allow you to insert image-based lighting photos to generate light.
This chapter reviews the various lighting settings found in the different IRPs. Specific lighting options are detailed in the IRP-specific exterior lighting chapters.
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