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# FbxWeightedMapping Class Reference

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## Detailed Description

Define a weighted bidirectional mapping relation on objects.

There are two object set. The source object of mapping is in source set. The destination object is in destination set. Each object can have multiple mapping relation with other objects.

Definition at line 28 of file fbxweightedmapping.h.

`#include <fbxweightedmapping.h>`

List of all members.

## Classes
struct | Element
| Record one mapping from one object. More...
## Public Types
enum | ESet { eSource, eDestination }
| Object set type in the mapping relation. More...
## Public Member Functions
void | Reset (int pSourceSize, int pDestinationSize)
| Remove all weighted relations and give new source and destination sets sizes.
void | Add (int pSourceIndex, int pDestinationIndex, double pWeight)
| Add a weighted mapping relation.
int | GetElementCount (ESet pSet) const
| Get the number of elements of a set.
int | GetRelationCount (ESet pSet, int pElement) const
| Get the number of relations an element of a set is linked to.
Element & | GetRelation (ESet pSet, int pElement, int pIndex)
| Get one of the relations an element of a set is linked to.
int | GetRelationIndex (ESet pSet, int pElementInSet, int pElementInOtherSet) const
| Given the index of an element in the other set, get the index of one of the relations an element of a set is linked to.
double | GetRelationSum (ESet pSet, int pElement, bool pAbsoluteValue) const
| Get the sum of the weights from the relations an element of a set is linked to.
void | Normalize (ESet pSet, bool pAbsoluteValue)
| Normalize the weights of the relations of all the elements of a set.
FbxWeightedMapping & | operator= (const FbxWeightedMapping &pWMap)
## Constructor and Destructor
| FbxWeightedMapping (int pSourceSize, int pDestinationSize)
| Constructor.
| ~FbxWeightedMapping ()
| Destructor.

## Member Enumeration Documentation

enum ESet

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Object set type in the mapping relation.

Enumerator:

  eSource | Object is as source. Search for all occurrences
  eDestination | Object is as destination. Search for all occurrences

Definition at line 33 of file fbxweightedmapping.h.

        {
            eSource,
            eDestination
        };

## Constructor & Destructor Documentation

FbxWeightedMapping | ( | int | pSourceSize,
|  | int | pDestinationSize
| ) |  |

Constructor.

Initialize the source set and destination set.

Parameters:

  pSourceSize | Source set size
  pDestinationSize | Destination set size

~FbxWeightedMapping | ( |  | ) |

Destructor.

## Member Function Documentation

void Reset | ( | int | pSourceSize,
|  | int | pDestinationSize
| ) |  |

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Remove all weighted relations and give new source and destination sets sizes.

Parameters:

  pSourceSize | New source set size.
  pDestinationSize | New destination set size.

void Add | ( | int | pSourceIndex,
|  | int | pDestinationIndex,
|  | double | pWeight
| ) |  |

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Add a weighted mapping relation.

Parameters:

  pSourceIndex | Index of the source object.
  pDestinationIndex | Index of the destination object.
  pWeight | Weight of the mapping.

int GetElementCount | ( | ESet | pSet | ) | const

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Get the number of elements of a set.

Parameters:

  pSet | source or destination set.

int GetRelationCount | ( | ESet | pSet,
|  | int | pElement
| ) |  | const

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Get the number of relations an element of a set is linked to.

For example, for one object (which index is specified by pElement) in source set (specified by pSet), the function return how many objects (as destination) the object (as source) mapping to.

Parameters:

  pSet | Source or destination set.
  pElement | Object index in the set.

Element& GetRelation | ( | ESet | pSet,
|  | int | pElement,
|  | int | pIndex
| ) |  |

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Get one of the relations an element of a set is linked to.

Parameters:

  pSet | Source or destination set.
  pElement | Object index in the set.
  pIndex | Relation index of the object linked to.

Returns:
  Element gives the index of an element in the other set and the assigned weight.

int GetRelationIndex | ( | ESet | pSet,
|  | int | pElementInSet,
|  | int | pElementInOtherSet
| ) |  | const

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Given the index of an element in the other set, get the index of one of the relations an element of a set is linked to.

Returns -1 if there is not relation between these elements.

Parameters:

  pSet | Source or destination set.
  pElementInSet | Object index in the set.
  pElementInOtherSet | Object index in another set.

Returns:
  The index of one of the relations, -1 if there is not relation between these elements.

double GetRelationSum | ( | ESet | pSet,
|  | int | pElement,
|  | bool | pAbsoluteValue
| ) |  | const

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Get the sum of the weights from the relations an element of a set is linked to.

Parameters:

  pSet | Source or destination set.
  pElement | Object index in the set.
  pAbsoluteValue | Flag to convert negative value to positive value.

Returns:
  The sum of the weights from the relations.

void Normalize | ( | ESet | pSet,
|  | bool | pAbsoluteValue
| ) |  |

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Normalize the weights of the relations of all the elements of a set.

Parameters:

  pSet | Source or destination set.
  pAbsoluteValue | Flag to convert negative value to positive value.

FbxWeightedMapping& operator= | ( | const FbxWeightedMapping & | pWMap | ) |

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

- fbxsdk/scene/geometry/fbxweightedmapping.h

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