| 接口 | 说明 |
|---|---|
| IfcLayeredItem |
It is the collection of all those items, that are assigned to a single layer.
|
| IfcLightDistributionDataSourceSelect |
A goniometric light gets its intensity distribution function (how much light goes in any one direction) from
one of two sources: (i) an industry-standard file, (ii) from distribution data passed directly via
the IfcLightIntensityDistribution.
|
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