IfcThirdOrderPolynomialSpiral Class

Syntax

C++

class IfcThirdOrderPolynomialSpiral : public IfcSpiral;

Description

The IfcThirdOrderPolynomialSpiral is a specialization of IfcSpiral. The curvature κ and radius of the curvature ρ, at any point of the curve, are related to the arc length s by the third order formula:

Interpretation of the parameters:

* C = SELFIfcSpiral.Position.Location * x = SELFIfcSpiral.Position.P[1] * y = SELFIfcSpiral.Position.P[2] * A₃ = CubicTerm * A₂ = QuadraticTerm * A₁ = LinearTerm * A₀ = ContantTerm

and the second order polynomial spiral is parameterized as:

where:

and the parametric range is: -∞ < u < ∞.

Class Hierarchy

File: IfcThirdOrderPolynomialSpiralAutoImpl.h

Namespace: OdIfc4x3

Methods

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ApplicationInstance	Creates a new application instance with default parameters. (Inherited from ApplicationInstance)
IfcSpiral	Default constructor for the IfcSpiral class. (Inherited from IfcSpiral)
IfcThirdOrderPolynomialSpiral	Default constructor for the IfcThirdOrderPolynomialSpiral class.
OdIfcInstance	Creates a new IFC instance object with default parameters. (Inherited from OdIfcInstance)
~OdIfcInstance	Destroys the instance object. (Inherited from OdIfcInstance)

Methods

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asCompound	Returns the result of the instance resolution represented as a compound object. (Inherited from OdIfcInstance)
asMatrix2d	Returns the result of the instance resolution represented as a two-dimensional matrix. (Inherited from OdIfcInstance)
asMatrix3d	Returns the result of the instance resolution represented as a three-dimensional vector. (Inherited from OdIfcInstance)
asPoint2d	Returns the result of the instance resolution represented as a two-dimensional point. (Inherited from OdIfcInstance)
asPoint3d	Returns the result of the instance resolution represented as a three-dimensional point. (Inherited from OdIfcInstance)
asRgbColor	Returns the result of the instance resolution represented as an RGB color object. (Inherited from OdIfcInstance)
asVector2d	Returns the result of the instance resolution represented as a two-dimensional vector. (Inherited from OdIfcInstance)
asVector3d	Returns the result of the instance resolution represented as a three-dimensional vector. (Inherited from OdIfcInstance)
cleanDynamicAttributes	Cleans dynamic attributes. (Inherited from ApplicationInstance)
comparedTo	Compares the application instance object with another object. (Inherited from ApplicationInstance)
comparedToEarlyImpl	Early-bound version of instances comparison. (Inherited from IfcCurve)
comparedToEarlyImpl	Early-bound version of instances comparison. (Inherited from IfcGeometricRepresentationItem)
comparedToEarlyImpl	Early-bound version of instances comparison. (Inherited from IfcRepresentationItem)
comparedToEarlyImpl	Early-bound version of instances comparison. (Inherited from IfcSpiral)
comparedToEarlyImpl	Early-bound version of instances comparison.
comparedToInverse	Compares the application instance object with another object by comparing their inverse attributes. (Inherited from ApplicationInstance)
copyFrom	details Copies the contents of the specified object into this object. (Inherited from ApplicationInstance)
findDataTypes	Retrieves the Named/Defined data types of the entity instance according to the schema types hierarchy. (Inherited from ApplicationInstance)
findRolesOf	Retrieves the identifiers of the attributes of entity instances which refer to the current entity instance within the model. (Inherited from ApplicationInstance)
findUsedIn	Retrieves the identifiers of all entity instances in the model which refer to the entity instance through the specified attribute. (Inherited from ApplicationInstance)
findUsedInBN	Retrieves the identifiers of all the entity instances in the model which refer to the entity instance through the specified attribute name. (Inherited from ApplicationInstance)
findUsers	Retrieves the identifiers of all the entity instances in the model that refer to the current entity instance. (Inherited from ApplicationInstance)
getAttr	Retrieves the current value of an attribute specified by its name. (Inherited from ApplicationInstance)
getAttr	Retrieves the current value of the attribute specified by its name. (Inherited from OdDAIObjectSDAI)
getAttr	Returns an attribute value for the specified attribute definition. (Inherited from IfcRepresentationItem)
getAttr	Retrieves the current value of an attribute specified by its definition. (Inherited from OdIfcInstance)
getAttr(const OdIfc::OdIfcAttribute)	This is the overview for the getAttr method overload.
getAttr(const OdIfc::OdIfcAttribute)	This is the overview for the getAttr method overload.
getAttrCaseInsensitive	Retrieves the current value of an attribute specified by its name in case-insensitive mode. (Inherited from OdDAIObjectSDAI)
getConstantTerm	Returns the value of ConstantTerm. Constant term is the constant that defines the constant term in the equation which defines the relation between curvature and arc length for the curve.
getCubicTerm	Returns the value of CubicTerm. Cubic term is the constant that defines the cubic term in the equation which defines the relation between curvature and arc length for the curve.
getDerivedAttr	Calculates a value of a derived attribute specified by its name. (Inherited from ApplicationInstance)
getInstanceType	Retrieves the type of the Standard Data Access Interface (SDAI) object. (Inherited from OdDAIObjectSDAI)
getInstanceType	Returns a type of a class instance. (Inherited from IfcCurve)
getInstanceType	Returns a type of a class instance. (Inherited from IfcGeometricRepresentationItem)
getInstanceType	Returns a type of a class instance. (Inherited from IfcRepresentationItem)
getInstanceType	Returns a type of a class instance. (Inherited from IfcSpiral)
getInstanceType	Returns a type of a class instance.
getInvLayerAssignment	(Inherited from IfcRepresentationItem)
getInvStyledByItem	(Inherited from IfcRepresentationItem)
getInverseAttr	Retrieves the current value of an inverse attribute with a specified name. (Inherited from ApplicationInstance)
getLinearTerm	Returns the value of LinearTerm. Linear term is the constant that defines the linear term in the equation which defines the relation between curvature and arc length for the curve.
getQuadraticTerm	Returns the value of QuadraticTerm. Quadratic term is the constant that defines the quadratic term in the equation which defines the relation between curvature and arc length for the curve.
gsNode	Retrieves the current Gs node object of the entity. (Inherited from ApplicationInstance)
gsNode	Retrieves the current Gs node object of the Standard Data Access Interface (SDAI) object. (Inherited from OdDAIObjectSDAI)
gsNode	Retrieves the current Gs node object of the instance. (Inherited from OdIfcInstance)
id	Retrieves the database object identifier of the application instance. (Inherited from ApplicationInstance)
id	Retrieves the database object identifier of the Standard Data Access Interface (SDAI) object. (Inherited from OdDAIObjectSDAI)
inFields	Reads values of the instance's explicit attribute fields from a file buffer that is associated with a specified filer object. (Inherited from ApplicationInstance)
inFields	Reads object's data from the specified filer. (Inherited from IfcRepresentationItem)
inFields	Reads object's data from the specified filer. (Inherited from IfcSpiral)
inFields	Reads object's data from the specified filer.
isInstanceOf	Retrieves whether the instance is an instance of a specified type. (Inherited from OdIfcInstance)
isInstanceOf(const Entity *)	This is the overview for the isInstanceOf method overload.
isInstanceOf(const Entity *)	This is the overview for the isInstanceOf method overload.
isKindOf	Checks whether the specified instance is the object derived from or belongs to this class. (Inherited from IfcCurve)
isKindOf	Checks whether the specified instance is the object derived from or belongs to this class. (Inherited from IfcGeometricRepresentationItem)
isKindOf	Checks whether the specified instance is the object derived from or belongs to this class. (Inherited from IfcRepresentationItem)
isKindOf	Checks whether the specified instance is the object derived from or belongs to this class. (Inherited from IfcSpiral)
isKindOf	Checks whether the specified instance is the object derived from or belongs to this class.
isKindOf	Retrieves whether the instance belongs to a specified entity type. (Inherited from OdIfcInstance)
isKindOf(const Entity *)	This is the overview for the isKindOf method overload.
isKindOf(const Entity *)	This is the overview for the isKindOf method overload.
isPersistent	Retrieves whether the Standard Data Access Interface (SDAI) object is a persistent one. (Inherited from OdDAIObjectSDAI)
outFields	Writes values of the instance's explicit attribute fields to a file buffer that is assigned to a specified filer object. (Inherited from ApplicationInstance)
outFields	Writes object's data the the specified filer. (Inherited from IfcRepresentationItem)
outFields	Writes object's data the the specified filer. (Inherited from IfcSpiral)
outFields	Writes object's data the the specified filer.
owningModel	Retrieves the model that contains the application instance. (Inherited from ApplicationInstance)
owningModel	Retrieves the model object that contains the Standard Data Access Interface (SDAI) object. (Inherited from OdDAIObjectSDAI)
owningStepFile	Retrieves the file that contains the model with this application instance. (Inherited from ApplicationInstance)
position	Returns the position of the spiral. (Inherited from IfcSpiral)
putAttr	Sets the specified attribute with a given value. (Inherited from IfcRepresentationItem)
putAttr(const ExplicitAttributePtr &, const OdRxValue&)	This is the overview for the putAttr method overload.
putAttr(const OdIfc::OdIfcAttribute, const OdRxValue &)	This is the overview for the putAttr method overload.
putAttr(const OdIfc::OdIfcAttribute, const OdRxValue &)	This is the overview for the putAttr method overload.
putAttr(const OdIfcAttribute, const OdRxValue &)	This is the overview for the putAttr method overload.
putAttrCaseInsensitive	Sets a new value of an attribute that is specified by its name in the case insensitive mode. (Inherited from ApplicationInstance)
putAttrWithValidation	Sets a new value of an attribute specified with its name after the validation is performed. (Inherited from ApplicationInstance)
resetInverseCounterParts	Removes inverse attributes from related application instances. (Inherited from ApplicationInstance)
resolve	Resolves the instance and returns the result of the instance composition to a calling subroutine. (Inherited from OdIfcInstance)
resolved	Retrieves whether the instance is resolved into a compound object, into a Ge compound object, or is unresolved/visited. (Inherited from OdIfcInstance)
setConstantTerm	Sets the value of ConstantTerm. Constant term is the constant that defines the constant term in the equation which defines the relation between curvature and arc length for the curve.
setCubicTerm	Sets the value of CubicTerm. Cubic term is the constant that defines the cubic term in the equation which defines the relation between curvature and arc length for the curve.
setGsNode	Sets a new Gs node cache for the entity. (Inherited from ApplicationInstance)
setGsNode	Sets a new Gs node cache for the Standard Data Access Interface (SDAI) object. (Inherited from OdDAIObjectSDAI)
setGsNode	Sets a new Gs node cache for the instance. (Inherited from OdIfcInstance)
setInverseCounterParts	Sets inverse attributes to related application instances. (Inherited from ApplicationInstance)
setInverseCounterParts	Sets inverse attributes to related application instances. (Inherited from OdIfc4x3Instance)
setLinearTerm	Sets the value of LinearTerm. Linear term is the constant that defines the linear term in the equation which defines the relation between curvature and arc length for the curve.
setQuadraticTerm	Sets the value of QuadraticTerm. Quadratic term is the constant that defines the quadratic term in the equation which defines the relation between curvature and arc length for the curve.
subSetAttributes	Sets the values of the entity's sub-entity traits. (Inherited from ApplicationInstance)
subSetAttributes	Sets the values of the instance's sub-entity traits. (Inherited from OdIfcInstance)
subWorldDraw	Draws a graphical entity representation that is independent of any viewport context. (Inherited from ApplicationInstance)
subWorldDraw	Draws a graphical instance representation that is independent of any viewport context. (Inherited from OdIfcInstance)
testAttr(const AttributePtr&)	This is the overview for the testAttr method overload.
testAttr(const AttributePtr&)	This is the overview for the testAttr method overload.
testAttr(const OdIfc::OdIfcAttribute)	This is the overview for the testAttr method overload.
testAttr(const OdIfc::OdIfcAttribute)	This is the overview for the testAttr method overload.
testAttr(const OdIfc::OdIfcAttribute)	This is the overview for the testAttr method overload.
testAttr(const OdIfcAttribute)	This is the overview for the testAttr method overload.
testAttrCaseInsensitive	Retrieves whether the attribute value is set or is unset. The specified attribute name is case-insensitive. (Inherited from OdDAIObjectSDAI)
type	Returns the type of this entity. (Inherited from IfcCurve)
type	Returns the type of this entity. (Inherited from IfcGeometricRepresentationItem)
type	Returns the type of this entity. (Inherited from IfcRepresentationItem)
type	Returns the type of this entity. (Inherited from IfcSpiral)
type	Returns the type of this entity.
type	Retrieves the current type of the instance. (Inherited from OdIfcInstance)
typeName	Retrieves the type name of the application instance. (Inherited from ApplicationInstance)
unresolve	Unresolves the instance. (Inherited from OdIfcInstance)
unsetAttr(const AttributePtr&)	This is the overview for the unsetAttr method overload.
unsetAttr(const OdIfc::OdIfcAttribute)	This is the overview for the unsetAttr method overload.
unsetAttr(const OdIfc::OdIfcAttribute)	This is the overview for the unsetAttr method overload.
unsetAttr(const OdIfc::OdIfcAttribute)	This is the overview for the unsetAttr method overload.
unsetAttr(const OdIfcAttribute)	This is the overview for the unsetAttr method overload.
unsetAttrCaseInsensitive	Checks whether the value of a specified attribute is set. (Inherited from ApplicationInstance)
validateAggrSize	Checks whether the instance has aggregate attributes, which violate size constraints and retrieves the list of such attributes. (Inherited from ApplicationInstance)
validateAggrUniqueness	Checks whether application instance aggregate attributes has unique items in the case if aggregation type of attribute UNIQUE flag is turned on. (Inherited from ApplicationInstance)
validateArrayNotOptional	Checks whether a specified array instances which don't assume optional attributes (i.e. attributes that can't have unset value) have attribute values. (Inherited from ApplicationInstance)
validateBinaryWidth	Checks whether the instance has binary attributes with incorrect width and retrieves the list of such attributes. (Inherited from ApplicationInstance)
validateExplicitAttrsReferences	Checks whether each entity instance that represents the value of a specified instance attribute has a valid entity data type. (Inherited from ApplicationInstance)
validateInverseAttrs	Checks whether the instance has inverse attributes with violated size constraints and retrieves the list of such attributes. (Inherited from ApplicationInstance)
validateRequiredExplicitAttrsAssigned	Checks whether the instance has unset mandatory attributes and retrieves the list of such attributes. (Inherited from ApplicationInstance)
validateStringWidth	Checks whether the instance has string attributes with incorrect width and retrieves the list of such attributes. (Inherited from ApplicationInstance)
validateWhereRule(const WhereRule *)	This is the overview for the validateWhereRule method overload.

Links

IfcThirdOrderPolynomialSpiral Methods

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