| 类和说明 |
|---|
| IfcRepresentationMap
A representation map is the identification of a representation and a representation item in that
representation for the purpose of mapping.
|
| 类和说明 |
|---|
| IfcRepresentationMap
A representation map is the identification of a representation and a representation item in that
representation for the purpose of mapping.
|
| 类和说明 |
|---|
| IfcRepresentationMap
A representation map is the identification of a representation and a representation item in that
representation for the purpose of mapping.
|
| 类和说明 |
|---|
| IfcRepresentationMap
A representation map is the identification of a representation and a representation item in that
representation for the purpose of mapping.
|
| 类和说明 |
|---|
| IfcAxis2Placement3D
The location and orientation in three dimensional space
of three mutually perpendicular axes.
|
| 类和说明 |
|---|
| IfcRepresentationMap
A representation map is the identification of a representation and a representation item in that
representation for the purpose of mapping.
|
| 类和说明 |
|---|
| IfcRepresentationMap
A representation map is the identification of a representation and a representation item in that
representation for the purpose of mapping.
|
| 类和说明 |
|---|
| IfcCurve
A curve can be envisioned as the path of a point moving in its coordinate space.
|
| 类和说明 |
|---|
| IfcAxis1Placement
The direction and location in three dimensional space of a single axis.
|
| IfcAxis2Placement3D
The location and orientation in three dimensional space
of three mutually perpendicular axes.
|
| IfcBoundedCurve
A bounded curve is a curve of finite arc length with identifiable end points.
|
| IfcCartesianPoint
A point defined by its coordinates in a two or
three dimensional rectangular Cartesian coordinate system, or in a two dimensional
parameter space.
|
| IfcCompositeCurve
A composite curve (IfcCompositeCurve) is a collection of curves joined end-to-end.
|
| IfcCurve
A curve can be envisioned as the path of a point moving in its coordinate space.
|
| IfcDirection
his entity defines a general direction vector in two or three dimensional space.
|
| IfcGeometricRepresentationItem
a instance of the class is a representation item that has the additional meaning
of having geometric position or orientation or both.
|
| IfcLine
A line is an unbounded curve with constant tangent direction.
|
| IfcRepresentationItem
A instance of the class is an element of product data that participates in one or more representations
or contributes to the definition of another representation item.
|
| IfcSurface
A surface can be envisioned as a set of connected points in 3-dimensional space which is always locally
2-dimensional, but need not be a manifold.
|
| 类和说明 |
|---|
| IfcAxis1Placement
The direction and location in three dimensional space of a single axis.
|
| IfcAxis2Placement3D
The location and orientation in three dimensional space
of three mutually perpendicular axes.
|
| IfcBezierCurve
This is a special type of curve which can be represented as a type of B-spline curve in which the knots are evenly
spaced and have high multiplicities.
|
| IfcBoundedCurve
A bounded curve is a curve of finite arc length with identifiable end points.
|
| IfcBoundedSurface
A bounded surface is a surface of finite area with identifiable boundaries.
|
| IfcBSplineCurve
A B-spline curve is a piecewise parametric polynominal or rational curve described in terms of control points and
basis functions.
|
| IfcCartesianPoint
A point defined by its coordinates in a two or
three dimensional rectangular Cartesian coordinate system, or in a two dimensional
parameter space.
|
| IfcCartesianTransformationOperator
A Cartesian transformation operator
defines a geometric transformation composed of translation, rotation, mirroring and uniform scaling.
|
| IfcCartesianTransformationOperator2D
A Cartesian transformation operator 2d
defines a geometric transformation in two-dimensional space composed of
translation, rotation, mirroring and uniform scaling.
|
| IfcCartesianTransformationOperator3D
A Cartesian transformation operator 3d defines a geometric transformation in three-dimensional space composed of
translation, rotation, mirroring and uniform scaling.
|
| IfcCompositeCurve
A composite curve (IfcCompositeCurve) is a collection of curves joined end-to-end.
|
| IfcCompositeCurveSegment
A composite curve segment (IfcCompositeCurveSegment) is a bounded curve together with transition information
which is used to construct a composite curve (IfcCompositeCurve).
|
| IfcConic
A conic (IfcConic) is a planar curve which could be produced by intersecting a plane with a cone.
|
| IfcCurve
A curve can be envisioned as the path of a point moving in its coordinate space.
|
| IfcDirection
his entity defines a general direction vector in two or three dimensional space.
|
| IfcElementarySurface
An elementary surface (IfcElementarySurface) is a simple analytic surface with defined parametric representation.
|
| IfcGeometricRepresentationItem
a instance of the class is a representation item that has the additional meaning
of having geometric position or orientation or both.
|
| IfcLine
A line is an unbounded curve with constant tangent direction.
|
| IfcPlacement
A placement entity defines the local environment for
the definition of a geometry item.
|
| IfcPlane
A plane is an unbounded surface with a constant normal.
|
| IfcPoint
An point is a location in some real Cartesian coordinate space Rm, for m = 1, 2 or 3.
|
| IfcRepresentationItem
A instance of the class is an element of product data that participates in one or more representations
or contributes to the definition of another representation item.
|
| IfcRepresentationMap
A representation map is the identification of a representation and a representation item in that
representation for the purpose of mapping.
|
| IfcSurface
A surface can be envisioned as a set of connected points in 3-dimensional space which is always locally
2-dimensional, but need not be a manifold.
|
| IfcSweptSurface
A swept surface is one that is constructed by sweeping a curve along another curve.
|
| IfcVector
The vector is defined in terms of the direction and magnitude of the vector.
|
| 类和说明 |
|---|
| IfcGeometricRepresentationItem
a instance of the class is a representation item that has the additional meaning
of having geometric position or orientation or both.
|
| IfcRepresentationItem
A instance of the class is an element of product data that participates in one or more representations
or contributes to the definition of another representation item.
|
| 类和说明 |
|---|
| IfcCartesianPoint
A point defined by its coordinates in a two or
three dimensional rectangular Cartesian coordinate system, or in a two dimensional
parameter space.
|
| IfcCartesianTransformationOperator2D
A Cartesian transformation operator 2d
defines a geometric transformation in two-dimensional space composed of
translation, rotation, mirroring and uniform scaling.
|
| IfcGeometricRepresentationItem
a instance of the class is a representation item that has the additional meaning
of having geometric position or orientation or both.
|
| IfcRepresentationItem
A instance of the class is an element of product data that participates in one or more representations
or contributes to the definition of another representation item.
|
| IfcVector
The vector is defined in terms of the direction and magnitude of the vector.
|
| 类和说明 |
|---|
| IfcCartesianPoint
A point defined by its coordinates in a two or
three dimensional rectangular Cartesian coordinate system, or in a two dimensional
parameter space.
|
| IfcCartesianTransformationOperator2D
A Cartesian transformation operator 2d
defines a geometric transformation in two-dimensional space composed of
translation, rotation, mirroring and uniform scaling.
|
| IfcCurve
A curve can be envisioned as the path of a point moving in its coordinate space.
|
| IfcGeometricRepresentationItem
a instance of the class is a representation item that has the additional meaning
of having geometric position or orientation or both.
|
| IfcPoint
An point is a location in some real Cartesian coordinate space Rm, for m = 1, 2 or 3.
|
| IfcRepresentationItem
A instance of the class is an element of product data that participates in one or more representations
or contributes to the definition of another representation item.
|
| 类和说明 |
|---|
| IfcGeometricRepresentationItem
a instance of the class is a representation item that has the additional meaning
of having geometric position or orientation or both.
|
| IfcRepresentationItem
A instance of the class is an element of product data that participates in one or more representations
or contributes to the definition of another representation item.
|
| 类和说明 |
|---|
| IfcAxis2Placement3D
The location and orientation in three dimensional space
of three mutually perpendicular axes.
|
| IfcCartesianPoint
A point defined by its coordinates in a two or
three dimensional rectangular Cartesian coordinate system, or in a two dimensional
parameter space.
|
| IfcDirection
his entity defines a general direction vector in two or three dimensional space.
|
| IfcGeometricRepresentationItem
a instance of the class is a representation item that has the additional meaning
of having geometric position or orientation or both.
|
| IfcRepresentationItem
A instance of the class is an element of product data that participates in one or more representations
or contributes to the definition of another representation item.
|
| 类和说明 |
|---|
| IfcAxis2Placement2D
IfcAxis2Placement2D
|
| IfcBoundedCurve
A bounded curve is a curve of finite arc length with identifiable end points.
|
| IfcCartesianTransformationOperator2D
A Cartesian transformation operator 2d
defines a geometric transformation in two-dimensional space composed of
translation, rotation, mirroring and uniform scaling.
|
| IfcCurve
A curve can be envisioned as the path of a point moving in its coordinate space.
|
| 类和说明 |
|---|
| IfcDirection
his entity defines a general direction vector in two or three dimensional space.
|
| IfcRepresentationItem
A instance of the class is an element of product data that participates in one or more representations
or contributes to the definition of another representation item.
|
| IfcRepresentationMap
A representation map is the identification of a representation and a representation item in that
representation for the purpose of mapping.
|
| 类和说明 |
|---|
| IfcCartesianPoint
A point defined by its coordinates in a two or
three dimensional rectangular Cartesian coordinate system, or in a two dimensional
parameter space.
|
| IfcCurve
A curve can be envisioned as the path of a point moving in its coordinate space.
|
| IfcPoint
An point is a location in some real Cartesian coordinate space Rm, for m = 1, 2 or 3.
|
| IfcRepresentationItem
A instance of the class is an element of product data that participates in one or more representations
or contributes to the definition of another representation item.
|
| IfcSurface
A surface can be envisioned as a set of connected points in 3-dimensional space which is always locally
2-dimensional, but need not be a manifold.
|
| 类和说明 |
|---|
| IfcRepresentationMap
A representation map is the identification of a representation and a representation item in that
representation for the purpose of mapping.
|
| 类和说明 |
|---|
| IfcRepresentationMap
A representation map is the identification of a representation and a representation item in that
representation for the purpose of mapping.
|
| 类和说明 |
|---|
| IfcRepresentationMap
A representation map is the identification of a representation and a representation item in that
representation for the purpose of mapping.
|
| 类和说明 |
|---|
| IfcRepresentationMap
A representation map is the identification of a representation and a representation item in that
representation for the purpose of mapping.
|
| 类和说明 |
|---|
| IfcAxis2Placement3D
The location and orientation in three dimensional space
of three mutually perpendicular axes.
|
| IfcCartesianPoint
A point defined by its coordinates in a two or
three dimensional rectangular Cartesian coordinate system, or in a two dimensional
parameter space.
|
| IfcDirection
his entity defines a general direction vector in two or three dimensional space.
|
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