| 类和说明 |
|---|
| IfcPresentationLayerAssignment
The presentation layer assignment entity assigns an identifying name and optionally a description
to a set of presentation and representation items.
|
| 类和说明 |
|---|
| IfcLightDistributionData
The IfcLightDistributionData defines the luminous intensity of a light source given at a particular
main plane angle.
|
| IfcLightSource
The light source entity is determined by the reflectance specified in the surface style rendering.
|
| IfcLightSourcePositional
The light source positional entity is a subtype of light source.
|
| IfcPresentationLayerAssignment
The presentation layer assignment entity assigns an identifying name and optionally a description
to a set of presentation and representation items.
|
| 类和说明 |
|---|
| IfcPresentationLayerAssignment
The presentation layer assignment entity assigns an identifying name and optionally a description
to a set of presentation and representation items.
|
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