| 类 | 说明 |
|---|---|
| IfcColourRgb |
A colour rgb as a subtype of colour specifications is defined
by three colour component values for red, green, and blue in the RGB colour model.
|
| IfcColourSpecification |
The colour specification entity contains a direct colour definition.
|
| IfcDraughtingPreDefinedColour |
The draughting pre defined colour is a pre defined colour for the purpose to identify a colour by name.
|
| IfcDraughtingPreDefinedTextFont |
The draughting pre defined text font is a pre defined text font for the purpose to identify a font by name.
|
| IfcExternallyDefinedTextFont |
The externally defined text font is an external reference to a text font
|
| IfcPlanarBox |
A planar box specifies an arbitrary rectangular box and its location in a two dimensional Cartesian coordinate system.
|
| IfcPlanarExtent |
The planar extent defines the extent along the two axes of the two-dimensional coordinate system, independently of
its position.
|
| IfcPreDefinedColour |
The pre defined colour determines those qualified names
which can be used to identify a colour that is in scope of the current data exchange specification (in contrary to colour specification
which defines the colour directly by its colour components).
|
| IfcPreDefinedItem |
A pre defined item is a qualified name given to a style, font, etc.,
which is determined within the data exchange specification by convention on using the Name attribute value
(in contrary to externally defined items, which are agreed by an external source).
|
| IfcPreDefinedTextFont |
The pre defined text font determines those qualified names which can be used for fonts
that are in scope of the current data exchange specification (in contrary to externally defined text fonts).
|
| IfcTextStyleFontModel |
Setting font properties will be among the most common uses of style sheets.
|
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