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SoIndexedFaceSet — indexed polygonal face shape node

Action Behavior

SoGLRenderAction
          Draws faces based on the current coordinates, normals, materials, drawing style, and so on.

     SoRayPickAction
          Picks  faces  based  on the current coordinates and transformation. Details about the intersection are
          returned in an SoFaceDetail.

     SoGetBoundingBoxAction
          Computes the bounding box that encloses all vertices of the face set with the  current  transformation
          applied to them. Sets the center to the average of the coordinates of all vertices.

     SoCallbackAction
          If  any  triangle  callbacks  are registered with the action, they will be invoked for each successive
          triangle generated from each face in the set.

Description

       This  node  represents  a  3D  shape formed by constructing faces (polygons) from vertices located at the
       coordinates specified in the vertexProperty field (from SoVertexShape), or the current  inherited  state.
       For optimal performance, the vertexProperty field is recommended.

       SoIndexedFaceSet  uses the indices in the coordIndex field (from SoIndexedShape) to specify the polygonal
       faces. An index of SO_END_FACE_INDEX (-1) indicates that the current face has  ended  and  the  next  one
       begins.  For  improved  performance, arrange all the faces with only 3 vertices at beginning of the list,
       then all faces with 4 vertices, and finally all other faces.

       The vertices of the faces are transformed by the current transformation matrix. The faces are drawn  with
       the current light model and drawing style.

       Treatment  of  the  current material and normal binding is as follows: The PER_PART and PER_FACE bindings
       specify a material or normal for each face. PER_VERTEX specifies a material or normal  for  each  vertex.
       The  corresponding  _INDEXED bindings are the same, but use the materialIndex or normalIndex indices (see
       SoIndexedShape).  The  default  material  binding   is   OVERALL.   The   default   normal   binding   is
       PER_VERTEX_INDEXED.

       If  any normals (or materials) are specified, Inventor assumes you provide the correct number of them, as
       indicated by the binding. You will see unexpected results if you specify  fewer  normals  (or  materials)
       than the shape requires. If no normals are specified, they will be generated automatically.

       Textures are applied as described for the SoIndexedShape class.

File Format/Defaults

IndexedFaceSet{vertexPropertyNULLcoordIndex0materialIndex-1normalIndex-1textureCoordIndex-1}

Inherits From

       SoBase > SoFieldContainer > SoNode > SoShape > SoVertexShape > SoIndexedShape > SoIndexedFaceSet

Methods

SoIndexedFaceSet()
          Creates an indexed face set node with default settings.

     staticSoTypegetClassTypeId()
          Returns type identifier for this class.

Name

       SoIndexedFaceSet — indexed polygonal face shape node

See Also

SoCoordinate3,SoDrawStyle,SoFaceDetail,SoFaceSet,SoVertexPropertySoIndexedFaceSet(3IV)()

Synopsis

#include<Inventor/nodes/SoIndexedFaceSet.h>

          Fields from class SoIndexedShape:

     SoMFInt32coordIndexSoMFInt32materialIndexSoMFInt32normalIndexSoMFInt32textureCoordIndex

          Fields from class SoVertexShape:

     SoSFNodevertexProperty

          Methods from class SoIndexedFaceSet:

                         SoIndexedFaceSet()staticSoTypegetClassTypeId()

          Methods from class SoNode:

     voidsetOverride(SbBoolstate)SbBoolisOverride()constSoNode*copy(SbBoolcopyConnections=FALSE)constvirtualSbBoolaffectsState()conststaticSoNode*getByName(constSbName&name)staticintgetByName(constSbName&name,SoNodeList&list)

          Methods from class SoFieldContainer:

     voidsetToDefaults()SbBoolhasDefaultValues()constSbBoolfieldsAreEqual(constSoFieldContainer*fc)constvoidcopyFieldValues(constSoFieldContainer*fc,SbBoolcopyConnections=FALSE)SbBoolset(constchar*fieldDataString)voidget(SbString&fieldDataString)virtualintgetFields(SoFieldList&resultList)constvirtualSoField*getField(constSbName&fieldName)constSbBoolgetFieldName(constSoField*field,SbName&fieldName)constSbBoolisNotifyEnabled()constSbBoolenableNotify(SbBoolflag)

          Methods from class SoBase:

     voidref()voidunref()constvoidunrefNoDelete()constvoidtouch()virtualSoTypegetTypeId()constSbBoolisOfType(SoTypetype)constvirtualvoidsetName(constSbName&name)virtualSbNamegetName()const

See Also