Page 1092 - Chief Architect Reference Manual

Chief Architect X10 Reference Manual

You can specify that a particular Sun • Nighttime Ambient controls the ambient
light in exterior rendered views when
Angle or the Generic Sun be used in any
active camera view in the Adjust Sunlight Toggle Sunlight is off.
dialog. See “Adjust Sunlight Dialog” on You can control the brightness of each in the
page 1104.
Rendering Technique Options dialog. See
“Standard Panel” on page 1109.
Ambient Lighting and
Occlusion Ambient occlusion adds shading to surfaces
near corners which, because of their location,
Ambient lighting simulates the way light reflect less light compared to other surfaces.
bounces around a scene, producing a basic Too little ambient occlusion can result in a
level of uniform illumination on all surfaces. view having a flat appearance. You can
It is used in camera views and overviews specify the amount of Ambient Occlusion to
using the Standard Rendering Technique and use in the Camera Specification dialogs.
in ray trace views. . See “Camera Panel” on page 1076.
There are three types of ambient lights in Additional ambient occlusion options are
Chief Architect: available in ray trace views. See “Lighting
• Interior Ambient controls the ambient Panel” on page 1126.
light in interior views.
Ambient occlusion maps add the appearance
• Daytime Ambient controls the ambient of depth to materials by indicating which
light in exterior views when Toggle Sun- parts a texture receives more ambient light
and which parts receive less. See “Material
light is on. See “Sun Angles and
Shadows” on page 1098. Maps” on page 1012.

Light Types

There are two types of light source, each of In addition to being assigned to light
which generates light in a different way and fixtures, these two types of light
allows you to create a variety of lighting sources can be placed in a plan as Added
effects: Lights, which are light sources that are not
• Point Light sources associated with a fixture. As with light
fixtures, the lighting properties of Added
• Spot Light sources Lights can be specified in their specification

Any light source except a Sun Angle can be dialog. See “Light Specification Dialog” on
specified as a Point or Spot Light in the page 1097.
Electrical Service Specification dialog. See
“Light Data Panel” on page 661.

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