SoNormal man page on IRIX

SoNormal man page on IRIX

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								 SoNormal(3IV)

NAME
     SoNormal (SoNorm) - node that defines surface normals for shapes

INHERITS FROM
     SoBase > SoFieldContainer > SoNode > SoNormal

SYNOPSIS
     #include <Inventor_c/nodes/SoNormal.h>

     typedef SoNormal	 SoNorm

	  Fields from class SoNormal:

     SoMFVec3f		 vector

	  Functions from class SoNormal:

     SoNormal *		 SoNormCreate()
     SoType		 SoNormGetClassTypeId()

	  Functions from class SoNode:

     void		 SoNormSetOverride(SoNorm *this, SbBool state)
     SbBool		 SoNormIsOverride(const SoNorm *this)
     SoNode *		 SoNormCopy(const SoNorm *this, SbBool copyConnections
			      = FALSE)
     SbBool		 SoNormAffectsState(const SoNorm *this)
     SoNode *		 SoNormGetByName(const char *name)
     int		 SoNormGetByNameList(const char *name, SoNodeList
			      *list)

	  Functions from class SoFieldContainer:

     void		 SoNormSetToDflts(SoNorm *this)
     SbBool		 SoNormHasDfltVals(const SoNorm *this)
     SbBool		 SoNormFldsAreEq(const SoNorm *this, const
			      SoFieldContainer *fc)
     void		 SoNormCopyFieldVals(SoNorm *this, const
			      SoFieldContainer *fc, SbBool copyConnections =
			      FALSE)
     SbBool		 SoNormSet(SoNorm *this, const char *fieldDataString)
     void		 SoNormGet(SoNorm *this, SbString *fieldDataString)
     int		 SoNormGetFields(const SoNorm *this, SoFieldList
			      *resultList)
     SoField *		 SoNormGetField(const SoNorm *this, const char
			      *fieldName)
     SbBool		 SoNormGetFieldName(const SoNorm *this, const SoField
			      *field, SbName *fieldName)
     SbBool		 SoNormIsNotifyEnabled(const SoNorm *this)
     SbBool		 SoNormEnableNotify(SoNorm *this, SbBool flag)

	  Functions from class SoBase:

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SoNormal(3IV)

     void		 SoNormRef(SoNorm *this)
     void		 SoNormUnref(const SoNorm *this)
     void		 SoNormUnrefNoDelete(const SoNorm *this)
     void		 SoNormTouch(SoNorm *this)
     SoType		 SoNormGetTypeId(const SoNorm *this)
     SbBool		 SoNormIsOfType(const SoNorm *this, SoType type)
     void		 SoNormSetName(SoNorm *this, const char *name)
     SbName		 SoNormGetName(const SoNorm *this)

DESCRIPTION
     This node defines a set of 3D surface normal vectors to be used by
     vertex-based shape nodes that follow it in the scene graph. This node
     does not produce a visible result during rendering; it simply replaces
     the current normals in the rendering state for subsequent nodes to use.
     This node contains one multiple-valued field that contains the normal
     vectors.

     Surface normals are needed to compute lighting when the Phong lighting
     model is used. Most vertex-based shapes that use normals can compute
     default normals if none are specified, depending on the current normal
     binding.

FIELDS
     SoMFVec3f		 vector
	  Surface normal vectors.

FUNCTIONS
     SoNormal *		 SoNormCreate()
	  Creates a surface normal node with default settings.

     SoType		 SoNormGetClassTypeId()
	  Returns type identifier for this class.

ACTION BEHAVIOR
     SoGLRenderAction, SoCallbackAction, SoRayPickAction
	  Sets the current normals in the traversal state.

FILE FORMAT/DEFAULTS
     Normal {
	  vector  [  ]
     }

SEE ALSO
     SoCoordinate3, SoLightModel, SoNormalBinding, SoVertexShape

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