| 类 | 说明 |
|---|---|
| IfcLightDistributionData |
The IfcLightDistributionData defines the luminous intensity of a light source given at a particular
main plane angle.
|
| IfcLightIntensityDistribution |
The IfcLightIntensityDistribution defines the the luminous intensity of a light source that changes according to
the direction of the ray.
|
| IfcLightSource |
The light source entity is determined by the reflectance specified in the surface style rendering.
|
| IfcLightSourceAmbient |
The light source ambient entity is a subtype of light source.
|
| IfcLightSourceDirectional |
The light source directional is a subtype of light source.
|
| IfcLightSourceGoniometric |
The IfcLightSourceGoniometric defines a light source for which exact lighting data is available.
|
| IfcLightSourcePositional |
The light source positional entity is a subtype of light source.
|
| IfcLightSourceSpot |
The Spot light node defines a light source that emits light from a specific point along a specific direction vector and constrained within a solid angle.
|
| IfcPresentationLayerAssignment |
The presentation layer assignment entity assigns an identifying name and optionally a description
to a set of presentation and representation items.
|
| IfcPresentationLayerWithStyle |
An IfcPresentationLayerAssignmentWithStyle extends the presentation layer assignment with capabilities to
define visibility control, access control and common style information.
|
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