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Man Pages


Manual Reference Pages  -  SONORMAL (3)

NAME

SoNormal — node that defines surface normals for shapes

CONTENTS

Inherits From
Synopsis
Description
Fields
Methods
Action Behavior
File Format/defaults
See Also

INHERITS FROM

SoBase > SoFieldContainer > SoNode > SoNormal

SYNOPSIS

#include <Inventor/nodes/SoNormal.h>

Fields from class SoNormal:

    SoMFVec3f    
                    
SoMFVec3f            vector

Methods from class SoNormal:

       
                    
                     SoNormal()    
static SoType    
                    
static SoType        getClassTypeId()

Methods from class SoNode:

    void    
                    
void                 setOverride(SbBool state)    
SbBool    
                    
SbBool               isOverride() const    
SoNode *    
                    
SoNode *             copy(SbBool copyConnections = FALSE) const    
virtual SbBool    
                    
virtual SbBool       affectsState() const    
static SoNode *    
                    
static SoNode *      getByName(const SbName &name)    
static int    
                    
static int           getByName(const SbName &name, SoNodeList &list)

Methods from class SoFieldContainer:

    void    
                    
void                 setToDefaults()    
SbBool    
                    
SbBool               hasDefaultValues() const    
SbBool    
                    
SbBool               fieldsAreEqual(const SoFieldContainer *fc) const    
void    
                    
void                 copyFieldValues(const SoFieldContainer *fc, SbBool copyConnections = FALSE)    
SbBool    
                    
SbBool               set(const char *fieldDataString)    
void    
                    
void                 get(SbString &fieldDataString)    
virtual int    
                    
virtual int          getFields(SoFieldList &resultList) const    
virtual SoField *    
                    
virtual SoField *    getField(const SbName &fieldName) const    
SbBool    
                    
SbBool               getFieldName(const SoField *field, SbName &fieldName) const    
SbBool    
                    
SbBool               isNotifyEnabled() const    
SbBool    
                    
SbBool               enableNotify(SbBool flag)

Methods from class SoBase:

    void    
                    
void                 ref()    
void    
                    
void                 unref() const    
void    
                    
void                 unrefNoDelete() const    
void    
                    
void                 touch()    
virtual SoType    
                    
virtual SoType       getTypeId() const    
SbBool    
                    
SbBool               isOfType(SoType type) const    
virtual void    
                    
virtual void         setName(const SbName &name)    
virtual SbName    
                    
virtual SbName       getName() const

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    
                    
SoMFVec3f            vector
Surface normal vectors.

METHODS

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

    static SoType    
                    
static SoType        getClassTypeId()
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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SONORMAL(3IV) (-->)

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