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# FbxLayerElement Class Reference

This reference page is linked to from the following overview topics: Meshes, Materials and Textures, Meshes, Layered Textures, List of Python Fbx classes.

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## Detailed Description

Base class for elements of layers (FbxLayer).

A layer element type is identified by EType. A FbxLayerElement describes how the layer element is mapped to a geometry surface and how the mapping information is arranged in memory. A FbxLayerElement contains Normals, UVs or other kind of information.

See also:
  FbxLayer
  FbxLayerElement::EMappingMode
  FbxLayerElement::EReferenceMode

Definition at line 38 of file fbxlayer.h.

`#include <fbxlayer.h>`

Inheritance diagram for FbxLayerElement:
[legend]

List of all members.

## Public Types
enum | EType { eUnknown, eNormal, eBiNormal, eTangent, eMaterial, ePolygonGroup, eUV, eVertexColor, eSmoothing, eVertexCrease, eEdgeCrease, eHole, eUserData, eVisibility, eTextureDiffuse, eTextureDiffuseFactor, eTextureEmissive, eTextureEmissiveFactor, eTextureAmbient, eTextureAmbientFactor, eTextureSpecular, eTextureSpecularFactor, eTextureShininess, eTextureNormalMap, eTextureBump, eTextureTransparency, eTextureTransparencyFactor, eTextureReflection, eTextureReflectionFactor, eTextureDisplacement, eTextureDisplacementVector, eTypeCount }
| Layer Element type identifier. More...
enum | EMappingMode { eNone, eByControlPoint, eByPolygonVertex, eByPolygon, eByEdge, eAllSame }
| Determines how the element is mapped to a surface. More...
enum | EReferenceMode { eDirect, eIndex, eIndexToDirect }
| Determines how the mapping information is stored in the array of coordinates. More...
## Public Member Functions
void | SetMappingMode (EMappingMode pMappingMode)
| Sets the Mapping Mode.
void | SetReferenceMode (EReferenceMode pReferenceMode)
| Sets the Reference Mode.
EMappingMode | GetMappingMode () const
| Returns the Mapping Mode.
EReferenceMode | GetReferenceMode () const
| Returns the Reference Mode.
void | SetName (const char *pName)
| Sets the name of this object.
const char * | GetName () const
| Returns the name of this object.
bool | operator== (const FbxLayerElement &pOther) const
| Equivalence operator.
FbxLayerElement & | operator= (FbxLayerElement const &pOther)
| Assignment operator.
void | Destroy ()
| Removes this layer element from its owner and delete it.
virtual bool | Clear ()
| Clears all the data from this layer element.
void | SetType (const FbxDataType *pType)
const FbxLayerContainer * | GetOwner () const
virtual int | MemorySize () const
virtual bool | ContentWriteTo (FbxStream &pStream) const
virtual bool | ContentReadFrom (const FbxStream &pStream)
## Static Public Attributes
static const int | sTypeTextureStartIndex = int(eTextureDiffuse)
| The start index of texture type layer elements.
static const int | sTypeTextureEndIndex = int(eTypeCount) - 1
| The end index of texture type layer elements.
static const int | sTypeTextureCount = sTypeTextureEndIndex - sTypeTextureStartIndex + 1
| The count of texture type layer elements.
static const int | sTypeNonTextureStartIndex = int(eNormal)
| The start index of non-texture type layer elements.
static const int | sTypeNonTextureEndIndex = int(eVisibility)
| The end index of non-texture type layer elements.
static const int | sTypeNonTextureCount = sTypeNonTextureEndIndex - sTypeNonTextureStartIndex + 1
| The count of non-texture type layer elements.
static const char *const | sTextureNames []
| Array of names of texture type layer elements.
static const char *const | sTextureUVNames []
| Array of names of UV layer elements.
static const char *const | sNonTextureNames []
| Array of names of non-texture type layer elements.
static const FbxDataType | sTextureDataTypes []
| Array of texture types.
static const char *const | sTextureChannelNames []
| Array of texture channels.
## Protected Member Functions
| FbxLayerElement ()
virtual | ~FbxLayerElement ()
void | Destruct ()
virtual void | SetOwner (FbxLayerContainer *pOwner)
| FBXSDK_FRIEND_NEW ()
## Protected Attributes
EMappingMode | mMappingMode
EReferenceMode | mReferenceMode
FbxString | mName
const FbxDataType * | mType
FbxLayerContainer * | mOwner
## Friends
class | FbxLayerContainer

## Member Enumeration Documentation

enum EType

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Layer Element type identifier.

- eUnknown Undefined Layer Element class.
- eNormal Layer Element of type FbxLayerElementNormal.
- eBiNormal Layer Element of type FbxLayerElementBinormal.
- eTangent Layer Element of type FbxLayerElementTangent.
- eMaterial Layer Element of type FbxLayerElementMaterial.
- eTextureDiffuse Layer Element of type FbxLayerElementTexture.
- ePolygonGroup Layer Element of type FbxLayerElementPolygonGroup.
- eUV Layer Element of type FbxLayerElementUV.
- eVertexColor Layer Element of type FbxLayerElementVertexColor.
- eSmoothing Layer Element of type FbxLayerElementSmoothing.
- eVertexCrease Layer Element of type FbxLayerElementCrease.
- eEdgeCrease Layer Element of type FbxLayerElementCrease.
- eHole Layer Element of type FbxLayerElementHole.
- eUserData Layer Element of type FbxLayerElementUserData.
- eVisibility Layer Element of type FbxLayerElementVisibility.
- eTextureEmissive Layer Element of type FbxLayerElementTexture.
- eTextureEmissiveFactor Layer Element of type FbxLayerElementTexture.
- eTextureAmbient Layer Element of type FbxLayerElementTexture.
- eTextureAmbientFactor Layer Element of type FbxLayerElementTexture.
- eTextureDiffuseFactor Layer Element of type FbxLayerElementTexture.
- eTextureSpecular Layer Element of type FbxLayerElementTexture.
- eTextureNormalMap Layer Element of type FbxLayerElementTexture.
- eTextureSpecularFactor Layer Element of type FbxLayerElementTexture.
- eTextureShininess Layer Element of type FbxLayerElementTexture.
- eTextureBump Layer Element of type FbxLayerElementTexture.
- eTextureTransparency Layer Element of type FbxLayerElementTexture.
- eTextureTransparencyFactor Layer Element of type FbxLayerElementTexture.
- eTextureReflection Layer Element of type FbxLayerElementTexture.
- eTextureReflectionFactor Layer Element of type FbxLayerElementTexture.
- eTextureDisplacement Layer Element of type FbxLayerElementTexture.
- eTextureDisplacementVector Layer Element of type FbxLayerElementTexture.
- eTypeCount

Enumerator:

  eUnknown | Search for all occurrences
  eNormal | Search for all occurrences
  eBiNormal | Search for all occurrences
  eTangent | Search for all occurrences
  eMaterial | Search for all occurrences
  ePolygonGroup | Search for all occurrences
  eUV | Search for all occurrences
  eVertexColor | Search for all occurrences
  eSmoothing | Search for all occurrences
  eVertexCrease | Search for all occurrences
  eEdgeCrease | Search for all occurrences
  eHole | Search for all occurrences
  eUserData | Search for all occurrences
  eVisibility | Search for all occurrences
  eTextureDiffuse | Search for all occurrences
  eTextureDiffuseFactor | Search for all occurrences
  eTextureEmissive | Search for all occurrences
  eTextureEmissiveFactor | Search for all occurrences
  eTextureAmbient | Search for all occurrences
  eTextureAmbientFactor | Search for all occurrences
  eTextureSpecular | Search for all occurrences
  eTextureSpecularFactor | Search for all occurrences
  eTextureShininess | Search for all occurrences
  eTextureNormalMap | Search for all occurrences
  eTextureBump | Search for all occurrences
  eTextureTransparency | Search for all occurrences
  eTextureTransparencyFactor | Search for all occurrences
  eTextureReflection | Search for all occurrences
  eTextureReflectionFactor | Search for all occurrences
  eTextureDisplacement | Search for all occurrences
  eTextureDisplacementVector | Search for all occurrences
  eTypeCount | Search for all occurrences

Definition at line 75 of file fbxlayer.h.

        {
            eUnknown,

            //Non-Texture layer element types
            //Note: Make sure to update static index below if you change this enum!
            eNormal,
            eBiNormal,
            eTangent,
            eMaterial,
            ePolygonGroup,
            eUV,
            eVertexColor,
            eSmoothing,
            eVertexCrease,
            eEdgeCrease,
            eHole,
            eUserData,
            eVisibility,

            //Texture layer element types
            //Note: Make sure to update static index below if you change this enum!
            eTextureDiffuse,
            eTextureDiffuseFactor,
            eTextureEmissive,
            eTextureEmissiveFactor,
            eTextureAmbient,
            eTextureAmbientFactor,
            eTextureSpecular,
            eTextureSpecularFactor,
            eTextureShininess,
            eTextureNormalMap,
            eTextureBump,
            eTextureTransparency,
            eTextureTransparencyFactor,
            eTextureReflection,
            eTextureReflectionFactor,
            eTextureDisplacement,
            eTextureDisplacementVector,

            eTypeCount
        };

enum EMappingMode

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Determines how the element is mapped to a surface.

- eNone The mapping is undetermined.
- eByControlPoint There will be one mapping coordinate for each surface control point/vertex.
- eByPolygonVertex There will be one mapping coordinate for each vertex, for every polygon of which it is a part. This means that a vertex will have as many mapping coordinates as polygons of which it is a part.
- eByPolygon There can be only one mapping coordinate for the whole polygon.
- eByEdge There will be one mapping coordinate for each unique edge in the mesh. This is meant to be used with smoothing layer elements.
- eAllSame There can be only one mapping coordinate for the whole surface.

Enumerator:

  eNone | Search for all occurrences
  eByControlPoint | Search for all occurrences
  eByPolygonVertex | Search for all occurrences
  eByPolygon | Search for all occurrences
  eByEdge | Search for all occurrences
  eAllSame | Search for all occurrences

Definition at line 140 of file fbxlayer.h.

        {
            eNone,
            eByControlPoint,
            eByPolygonVertex,
            eByPolygon,
            eByEdge,
            eAllSame
        };

enum EReferenceMode

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Determines how the mapping information is stored in the array of coordinates.

- eDirect This indicates that the mapping information for the n'th element is found in the n'th place of FbxLayerElementTemplate::mDirectArray.
- eIndex, This symbol is kept for backward compatibility with FBX v5.0 files. In FBX v6.0 and higher, this symbol is replaced with eIndexToDirect.
- eIndexToDirect This indicates that the FbxLayerElementTemplate::mIndexArray contains, for the n'th element, an index in the FbxLayerElementTemplate::mDirectArray array of mapping elements. eIndexToDirect is usually useful for storing eByPolygonVertex mapping mode elements coordinates. Since the same coordinates are usually repeated many times, this saves spaces by storing the coordinate only one time and then referring to them with an index. Materials and Textures are also referenced with this mode and the actual Material/Texture can be accessed via the FbxLayerElementTemplate::mDirectArray

Enumerator:

  eDirect | Search for all occurrences
  eIndex | Search for all occurrences
  eIndexToDirect | Search for all occurrences

Definition at line 163 of file fbxlayer.h.

        {
            eDirect,
            eIndex,
            eIndexToDirect
        };

## Constructor & Destructor Documentation

FbxLayerElement | ( |  | ) | `[inline, protected]`

Definition at line 242 of file fbxlayer.h.

            : mMappingMode(eNone)
            , mReferenceMode(eDirect)
            , mName("")
            , mOwner(NULL)
        {
        }

virtual ~FbxLayerElement | ( |  | ) | `[inline, protected, virtual]`

Definition at line 250 of file fbxlayer.h.

        {
        }

## Member Function Documentation

void SetMappingMode | ( | EMappingMode | pMappingMode | ) | `[inline]`

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Sets the Mapping Mode.

Parameters:

  pMappingMode | Specifies the way that layer element is mapped to a surface.

Definition at line 174 of file fbxlayer.h.

    { mMappingMode = pMappingMode; }

void SetReferenceMode | ( | EReferenceMode | pReferenceMode | ) | `[inline]`

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Sets the Reference Mode.

Parameters:

  pReferenceMode | Specifies the reference mode.

Reimplemented in FbxLayerElementSmoothing, FbxLayerElementCrease, and FbxLayerElementHole.

Definition at line 179 of file fbxlayer.h.

    { mReferenceMode = pReferenceMode; }

EMappingMode GetMappingMode | ( |  | ) | const`[inline]`

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Returns the Mapping Mode.

Returns:
  The current Mapping Mode.

Definition at line 184 of file fbxlayer.h.

    { return mMappingMode; }

EReferenceMode GetReferenceMode | ( |  | ) | const`[inline]`

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Returns the Reference Mode.

Returns:
  The current Reference Mode.

Definition at line 189 of file fbxlayer.h.

    { return mReferenceMode; }

void SetName | ( | const char * | pName | ) | `[inline]`

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Sets the name of this object.

Parameters:

  pName | Specifies the name of this LayerElement object.

Definition at line 194 of file fbxlayer.h.

    { mName = FbxString(pName); }

const char* GetName | ( |  | ) | const`[inline]`

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Returns the name of this object.

Returns:
  The current name of this LayerElement object.

Definition at line 199 of file fbxlayer.h.

    { return ((FbxLayerElement*)this)->mName.Buffer(); }

bool operator== | ( | const FbxLayerElement & | pOther | ) | const`[inline]`

Equivalence operator.

Parameters:

  pOther | Layer element to be compared.

Returns:
  `True` if equal, `false` otherwise.

Definition at line 205 of file fbxlayer.h.

        {
            return (mName == pOther.mName) &&
                   (mMappingMode == pOther.mMappingMode) &&
                   (mReferenceMode == pOther.mReferenceMode);
        }

FbxLayerElement& operator= | ( | FbxLayerElement const & | pOther | ) | `[inline]`

Assignment operator.

Parameters:

  pOther | Layer element assigned to this one.

Returns:
  This layer element after assignment.

Definition at line 216 of file fbxlayer.h.

        {
            mMappingMode = pOther.mMappingMode;
            mReferenceMode = pOther.mReferenceMode;
            // name, type and owner should not be copied because they are
            // initialized when this object is created
            return *this;
        }

void Destroy | ( |  | ) |

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Removes this layer element from its owner and delete it.

virtual bool Clear | ( |  | ) | `[inline, virtual]`

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Clears all the data from this layer element.

Reimplemented in FbxLayerElementTemplate< Type >, FbxLayerElementUserData, FbxLayerElementTemplate< double >, FbxLayerElementTemplate< int >, FbxLayerElementTemplate< FbxSurfaceMaterial * >, FbxLayerElementTemplate< FbxColor >, FbxLayerElementTemplate< void * >, FbxLayerElementTemplate< bool >, FbxLayerElementTemplate< FbxTexture * >, FbxLayerElementTemplate< FbxVector4 >, and FbxLayerElementTemplate< FbxVector2 >.

Definition at line 229 of file fbxlayer.h.

        {
            return true;
        }

void SetType | ( | const FbxDataType * | pType | ) | `[inline]`

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Definition at line 238 of file fbxlayer.h.

    { mType = pType; }

const FbxLayerContainer* GetOwner | ( |  | ) | const`[inline]`

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Definition at line 239 of file fbxlayer.h.

    { return mOwner; }

void Destruct | ( |  | ) | `[inline, protected]`

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Definition at line 261 of file fbxlayer.h.

    { FbxDelete(this); }

virtual void SetOwner | ( | FbxLayerContainer * | pOwner | ) | `[protected, virtual]`

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FBXSDK_FRIEND_NEW | ( |  | ) | `[protected]`

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Reimplemented in FbxLayerElementUserData, FbxLayerElementSmoothing, FbxLayerElementCrease, and FbxLayerElementHole.

virtual int MemorySize | ( |  | ) | const`[inline, virtual]`

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Reimplemented in FbxLayerElementTemplate< Type >, FbxLayerElementUserData, FbxLayerElementTexture, FbxLayerElementTemplate< double >, FbxLayerElementTemplate< int >, FbxLayerElementTemplate< FbxSurfaceMaterial * >, FbxLayerElementTemplate< FbxColor >, FbxLayerElementTemplate< void * >, FbxLayerElementTemplate< bool >, FbxLayerElementTemplate< FbxTexture * >, FbxLayerElementTemplate< FbxVector4 >, and FbxLayerElementTemplate< FbxVector2 >.

Definition at line 267 of file fbxlayer.h.

    { return 0; }

virtual bool ContentWriteTo | ( | FbxStream & | pStream | ) | const`[virtual]`

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Reimplemented in FbxLayerElementTemplate< Type >, FbxLayerElementTemplate< double >, FbxLayerElementTemplate< int >, FbxLayerElementTemplate< FbxSurfaceMaterial * >, FbxLayerElementTemplate< FbxColor >, FbxLayerElementTemplate< void * >, FbxLayerElementTemplate< bool >, FbxLayerElementTemplate< FbxTexture * >, FbxLayerElementTemplate< FbxVector4 >, and FbxLayerElementTemplate< FbxVector2 >.

virtual bool ContentReadFrom | ( | const FbxStream & | pStream | ) | `[virtual]`

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Reimplemented in FbxLayerElementTemplate< Type >, FbxLayerElementTemplate< double >, FbxLayerElementTemplate< int >, FbxLayerElementTemplate< FbxSurfaceMaterial * >, FbxLayerElementTemplate< FbxColor >, FbxLayerElementTemplate< void * >, FbxLayerElementTemplate< bool >, FbxLayerElementTemplate< FbxTexture * >, FbxLayerElementTemplate< FbxVector4 >, and FbxLayerElementTemplate< FbxVector2 >.

## Friends And Related Function Documentation

friend class FbxLayerContainer`[friend]`

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Reimplemented in FbxLayerElementMaterial.

Definition at line 271 of file fbxlayer.h.

## Member Data Documentation

const int sTypeTextureStartIndex = int(eTextureDiffuse)`[static]`

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The start index of texture type layer elements.

Definition at line 118 of file fbxlayer.h.

const int sTypeTextureEndIndex = int(eTypeCount) - 1`[static]`

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The end index of texture type layer elements.

Definition at line 119 of file fbxlayer.h.

const int sTypeTextureCount = sTypeTextureEndIndex - sTypeTextureStartIndex + 1`[static]`

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The count of texture type layer elements.

Definition at line 120 of file fbxlayer.h.

const int sTypeNonTextureStartIndex = int(eNormal)`[static]`

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The start index of non-texture type layer elements.

Definition at line 121 of file fbxlayer.h.

const int sTypeNonTextureEndIndex = int(eVisibility)`[static]`

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The end index of non-texture type layer elements.

Definition at line 122 of file fbxlayer.h.

const int sTypeNonTextureCount = sTypeNonTextureEndIndex - sTypeNonTextureStartIndex + 1`[static]`

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The count of non-texture type layer elements.

Definition at line 123 of file fbxlayer.h.

const char* const sTextureNames[]`[static]`

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Array of names of texture type layer elements.

Definition at line 124 of file fbxlayer.h.

const char* const sTextureUVNames[]`[static]`

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Array of names of UV layer elements.

Definition at line 125 of file fbxlayer.h.

const char* const sNonTextureNames[]`[static]`

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Array of names of non-texture type layer elements.

Definition at line 126 of file fbxlayer.h.

const FbxDataType sTextureDataTypes[]`[static]`

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Array of texture types.

Definition at line 127 of file fbxlayer.h.

const char* const sTextureChannelNames[]`[static]`

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Array of texture channels.

Definition at line 128 of file fbxlayer.h.

EMappingMode mMappingMode`[protected]`

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Definition at line 254 of file fbxlayer.h.

EReferenceMode mReferenceMode`[protected]`

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Definition at line 255 of file fbxlayer.h.

FbxString mName`[protected]`

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Definition at line 257 of file fbxlayer.h.

const FbxDataType* mType`[protected]`

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Definition at line 258 of file fbxlayer.h.

FbxLayerContainer* mOwner`[protected]`

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Definition at line 259 of file fbxlayer.h.

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

- fbxsdk/scene/geometry/fbxlayer.h

FbxLayerElement FbxLayerElement FbxLayerElement FbxLayerElement FbxLayerElement FbxLayerElement FbxLayerElement FbxLayerElement FbxLayerElement FbxLayerElement
FbxLayerElement FbxLayerElement FbxLayerElement FbxLayerElement FbxLayerElement FbxLayerElement FbxLayerElement FbxLayerElement FbxLayerElement FbxLayerElement