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CFx SDK Documentation 2026 SP0
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#include <IfcClothoidAutoImpl.h>
Public Member Functions | |
| double | getClothoidConstant () const |
| void | setClothoidConstant (double ClothoidConstant) |
| IfcClothoid () | |
| virtual OdResult | inFields (OdDAI::OdSpfFilerBase *rdFiler) override |
| virtual OdResult | outFields (OdDAI::OdSpfFilerBase *wrFiler) override |
| virtual OdDAI::Entity * | getInstanceType () const override |
| virtual OdRxValue | getAttr (const char *attrName) const override |
| virtual bool | comparedToEarlyImpl (const OdDAI::ApplicationInstance *pOther, OdRx::Ordering &ordering) const override |
| virtual void | unsetAttr (const char *explicitAttrName) override |
| virtual bool | testAttr (const char *explicitAttrName) const override |
| virtual bool | putAttr (const char *explicitAttrName, const OdRxValue &val) override |
| virtual bool | isKindOf (OdIfc::OdIfcEntityType entityType) const override |
| virtual OdIfc::OdIfcEntityType | type () const override |
| virtual OdRxValue | getAttr (const OdIfc::OdIfcAttribute attrDef) const override |
| virtual void | unsetAttr (const OdIfc::OdIfcAttribute explicitAttrDef) override |
| virtual bool | testAttr (const OdIfc::OdIfcAttribute explicitAttrDef) const override |
| virtual bool | putAttr (const OdIfc::OdIfcAttribute explicitAttrDef, const OdRxValue &val) override |
Public Member Functions inherited from OdIfc4x4::IfcSpiral | |
| IfcAxis2Placement | position () |
| IfcSpiral () | |
Public Member Functions inherited from OdIfc4x4::IfcRepresentationItem | |
| void | getInvLayerAssignment (OdDAIObjectIds &LayerAssignment) const |
| void | getInvStyledByItem (OdDAIObjectIds &StyledByItem) const |
Public Member Functions inherited from OdIfc4x4::OdIFC4X4Instance | |
| void | setInverseCounterParts () override |
Public Member Functions inherited from OdIfc::OdIfcInstance | |
| ODRX_DECLARE_MEMBERS (OdIfcInstance) | |
| OdIfcInstance () | |
| ~OdIfcInstance () | |
| bool | isInstanceOf (OdIfcEntityType entityType) const |
| IfcOpResult | resolved () |
| void | resolve (IfcOpResult resolved, void *resPtr) |
| void | unresolve () |
| virtual void | setGsNode (OdGsCache *pGsNode) |
| virtual OdGsCache * | gsNode () const |
| virtual OdUInt32 | subSetAttributes (OdGiDrawableTraits *traits) const |
| virtual bool | subWorldDraw (OdGiWorldDraw *wd) const |
| virtual OdDbStub * | ownerId () const |
Protected Attributes | |
| double | m_ClothoidConstant |
Protected Attributes inherited from OdIfc4x4::IfcSpiral | |
| OdDAI::Select | m_Position |
Protected Attributes inherited from OdIfc::OdIfcInstance | |
| void * | m_resPtr |
| IfcOpResult | m_resolved |
Additional Inherited Members | |
Static Public Member Functions inherited from OdIfc::OdIfcInstance | |
| static const OdGePoint3d * | asPoint3d (const OdIfcInstance *inst) |
| static const OdGePoint2d * | asPoint2d (const OdIfcInstance *inst) |
| static const OdGeVector3d * | asVector3d (const OdIfcInstance *inst) |
| static const OdGeVector2d * | asVector2d (const OdIfcInstance *inst) |
| static const OdGeMatrix2d * | asMatrix2d (const OdIfcInstance *inst) |
| static const OdGeMatrix3d * | asMatrix3d (const OdIfcInstance *inst) |
| static OdIfcCompoundPtr | asCompound (OdSmartPtr< OdIfcInstance > inst) |
| static const OdCmEntityColor * | asRgbColor (const OdIfcInstance *inst) |
A clothoid is a planar curve in the form of a spiral. This curve has the property that the curvature varies linearly with the arc length.
C = SELF\IfcSpiral.Position.Location x = SELF\IfcSpiral.Position.P[1] y = SELF\IfcSpiral.Position.P[2] A = ClothoidConstantand the clothoid is parameterized as:
<IMAGE ifcclothoid_parameterisation>
The parametric range is: -∞ < u < ∞. The arc length s of the curve, from the point C, is given by the formula:
<IMAGE ifcclothoid_arclength>
The curvature κ and radius of the curvature ρ, at any point of the curve, are related to the arc length s by the formulae:
<IMAGE ifcclothoid_curvature>
Definition at line 60 of file IFC4X4/IfcClothoidAutoImpl.h.
| OdIfc4x4::IfcClothoid::IfcClothoid | ( | ) |
Default constructor for the IfcClothoid class.
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overridevirtual |
Early-bound version of instances comparison.
| pOther | [in] Other application instance. |
| ordering | [out] Receives the ordering (comparison) status. |
Reimplemented from OdIfc4x4::IfcSpiral.
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overridevirtual |
Returns an attribute value for the specified attribute name.
| attrName | [in] Name of an attribute to query. |
Reimplemented from OdIfc4x4::IfcSpiral.
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overridevirtual |
Returns an attribute value for the specified attribute definition.
| attrDef | [in] Attribute definition to query. |
Reimplemented from OdIfc4x4::IfcSpiral.
| double OdIfc4x4::IfcClothoid::getClothoidConstant | ( | ) | const |
Returns the value of ClothoidConstant. ClothoidConstant is the constant that defines the relationship between curvature and arc length for the curve.
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overridevirtual |
Returns a type of a class instance.
Reimplemented from OdIfc4x4::IfcSpiral.
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overridevirtual |
Reads object's data from the specified filer.
| rdFiler | [in] Pointer to a filer from which to read the data. |
Reimplemented from OdIfc4x4::IfcSpiral.
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overridevirtual |
Checks whether the specified instance is the object derived from or belongs to this class.
| entityType | [in] Entity to check. |
Reimplemented from OdIfc4x4::IfcSpiral.
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overridevirtual |
Writes object's data the the specified filer.
| wrFiler | [in] Pointer to a filer to which to write the data. |
Reimplemented from OdIfc4x4::IfcSpiral.
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overridevirtual |
Sets the specified attribute with a given value.
| explicitAttrName | [in] Explicit name of the attribute to set. |
| val | [in] Value to set. |
Reimplemented from OdIfc4x4::IfcSpiral.
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overridevirtual |
Sets the specified attribute with a given value.
| explicitAttrDef | [in] Explicit attribute definition to set. |
| val | [in] Value to set. |
Reimplemented from OdIfc4x4::IfcSpiral.
| void OdIfc4x4::IfcClothoid::setClothoidConstant | ( | double | ClothoidConstant | ) |
Sets the value of ClothoidConstant. ClothoidConstant is the constant that defines the relationship between curvature and arc length for the curve.
| ClothoidConstant | [in] ClothoidConstant to set. |
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overridevirtual |
Checks whether the specified attribute is set.
| explicitAttrName | [in] Explicit name of the attribute to test. |
Reimplemented from OdIfc4x4::IfcSpiral.
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overridevirtual |
Checks whether the specified attribute is set.
| explicitAttrDef | [in] Attribute definition to test. |
Reimplemented from OdIfc4x4::IfcSpiral.
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overridevirtual |
Returns the type of this entity.
Reimplemented from OdIfc4x4::IfcSpiral.
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overridevirtual |
Resets a value for the specified attribute.
| explicitAttrName | [in] Explicit name of the attribute to reset. |
Reimplemented from OdIfc4x4::IfcSpiral.
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overridevirtual |
Resets a value for the specified attribute.
| explicitAttrDef | [in] Explicit definition that represents an attribute to reset. |
Reimplemented from OdIfc4x4::IfcSpiral.
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protected |
Definition at line 216 of file IFC4X4/IfcClothoidAutoImpl.h.