IfcPositivePlaneAngleMeasure

BACnet MVD

#### IfcPositivePlaneAngleMeasure

Natural language names

| Positive Plane Angle Measure
| Mesure d'angle plan positif

##### Semantic definitions at the type

Type definition

An IfcPositivePlaneAngleMeasure is a plane angle measure that is greater than zero.

Type: IfcPlaneAngleMeasure

> NOTE Type adapted from positive_plane_angle_measure defined in ISO10303-41.

> HISTORY New type in IFC1.5.1.

Formal Propositions

Rule | Description
--- | ---
WR1 | A positive measure shall be greater than zero.

##### Formal representations

XML Specification
`<xs:simpleType name="IfcPositivePlaneAngleMeasure">
<xs:restriction base="ifc:IfcPlaneAngleMeasure"/>
</xs:simpleType>
`
EXPRESS Specification
`TYPE IfcPositivePlaneAngleMeasure = IfcPlaneAngleMeasure;
WHERE
WR1 : SELF > 0.
END_TYPE;

EXPRESS-G diagram

`

References: IfcMeasureValue IfcLightSourceSpot

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