Page 1092 - Chief Architect Reference Manual
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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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