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# FbxBoundary Class Reference

This reference page is linked to from the following overview topics: List of Python Fbx classes.

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## Detailed Description

FbxBoundary describes a trimming boundary for a trimmed NURBS object.

Note:Outer boundaries run counter-clockwise in UV space and inner boundaries run clockwise. An outer boundary represents the outer edges of the trimmed surface whereas the inner boundaries define "holes" in the surface.

Definition at line 30 of file fbxtrimnurbssurface.h.

`#include <fbxtrimnurbssurface.h>`

Inheritance diagram for FbxBoundary:
[legend]

List of all members.

## Public Member Functions
void | AddCurve (FbxNurbsCurve *pCurve)
| Adds an edge to this boundary.
int | GetCurveCount () const
| Returns the number of edges within this boundary.
FbxNurbsCurve * | GetCurve (int pIndex)
| Returns the edge at the specified index.
FbxNurbsCurve const * | GetCurve (int pIndex) const
| Returns the edge at the specified index.
virtual FbxNodeAttribute::EType | GetAttributeType () const
| Returns the type of node attribute.
bool | IsPointInControlHull (const FbxVector4 &pPoint)
| Detects if the point is in the boundary's control hull.
FbxVector4 | ComputePointInBoundary ()
| Computes the origin point in the boundary.
virtual FbxObject & | Copy (const FbxObject &pObject)
| Copy an object content into this object.
void | ClearCurves ()
void | CopyCurves (FbxBoundary const &pOther)
bool | IsValid (bool mustClosed=true)
bool | IsCounterClockwise ()
## Public Attributes
FbxPropertyT< FbxBool > | OuterFlag
| This property handles outer flag.
## Static Public Attributes
static const char * | sOuterFlag
| Properties.
## Protected Member Functions
virtual void | ConstructProperties (bool pForceSet)
| Optional property constructor override, automatically called by default constructor.
void | Reset ()
bool | LineSegmentIntersect (const FbxVector4 &pStart1, const FbxVector4 &pEnd1, const FbxVector4 &pStart2, const FbxVector4 &pEnd2) const

## Member Function Documentation

void AddCurve | ( | FbxNurbsCurve * | pCurve | ) |

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Adds an edge to this boundary.

Parameters:

  pCurve | The curve to be appended to the end of this boundary

int GetCurveCount | ( |  | ) | const

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Returns the number of edges within this boundary.

Returns:
  The number of edges within this boundary

FbxNurbsCurve* GetCurve | ( | int | pIndex | ) |

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Returns the edge at the specified index.

Parameters:

  pIndex | The specified index, no bound checking is done.

Returns:
  The edge at the specified index if pIndex is in the range [0, GetEdgeCount() ), otherwise the return value is undefined.

FbxNurbsCurve const* GetCurve | ( | int | pIndex | ) | const

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Returns the edge at the specified index.

Parameters:

  pIndex | The specified index, no bound checking is done.

Returns:
  The edge at the specified index if pIndex is in the range [0, GetEdgeCount() ), otherwise, the return value is undefined.

virtual FbxNodeAttribute::EType GetAttributeType | ( |  | ) | const`[virtual]`

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Returns the type of node attribute.

Reimplemented from FbxGeometry.

bool IsPointInControlHull | ( | const FbxVector4 & | pPoint | ) |

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Detects if the point is in the boundary's control hull.

Parameters:

  pPoint | The point to be detected.

Returns:
  `True` if the point is in the boundary's control hull, returns `false` if it is not in the control hull.

FbxVector4 ComputePointInBoundary | ( |  | ) |

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Computes the origin point in the boundary.

Returns:
  The origin point.

virtual FbxObject& Copy | ( | const FbxObject & | pObject | ) | `[virtual]`

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Copy an object content into this object.

Parameters:

  pObject | The source object to copy data from.

Returns:
  Returns the destination object being modified by the source.

Remarks:
  This function replace the assignment operator (operator=). It will copy all property values and the name. Connections are NOT copied.

Reimplemented from FbxGeometry.

void ClearCurves | ( |  | ) |

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void CopyCurves | ( | FbxBoundary const & | pOther | ) |

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bool IsValid | ( | bool | mustClosed = `true` | ) |

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bool IsCounterClockwise | ( |  | ) |

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virtual void ConstructProperties | ( | bool | pForceSet | ) | `[protected, virtual]`

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Optional property constructor override, automatically called by default constructor.

Parameters:

  pForceSet | If the property value must be set regardless of default value.

Remarks:
  If your object have properties, they must be initialized in this function.

Reimplemented from FbxGeometryBase.

void Reset | ( |  | ) | `[protected]`

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bool LineSegmentIntersect | ( | const FbxVector4 & | pStart1,
|  | const FbxVector4 & | pEnd1,
|  | const FbxVector4 & | pStart2,
|  | const FbxVector4 & | pEnd2
| ) |  | const`[protected]`

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## Member Data Documentation

const char* sOuterFlag`[static]`

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Properties.

Definition at line 37 of file fbxtrimnurbssurface.h.

FbxPropertyT<FbxBool> OuterFlag

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This property handles outer flag.

Default value is false.

Definition at line 43 of file fbxtrimnurbssurface.h.

The documentation for this class was generated from the following file:

- fbxsdk/scene/geometry/fbxtrimnurbssurface.h

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