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Man Pages


Manual Reference Pages  -  SOTRANSFORMVEC3F (3)

NAME

SoTransformVec3f — transforms a 3D vector by a 4x4 matrix

CONTENTS

Inherits From
Synopsis
Description
Inputs
Outputs
Methods
File Format/defaults
See Also

INHERITS FROM

SoBase > SoFieldContainer > SoEngine > SoTransformVec3f

SYNOPSIS

#include <Inventor/engines/SoTransformVec3f.h>

Inputs from class SoTransformVec3f:

    SoMFVec3f    
                    
SoMFVec3f            vector    
SoMFMatrix    
                    
SoMFMatrix           matrix

Outputs from class SoTransformVec3f:

    (SoMFVec3f)    
                    
(SoMFVec3f)          point    
(SoMFVec3f)    
                    
(SoMFVec3f)          direction    
(SoMFVec3f)    
                    
(SoMFVec3f)          normalDirection

Methods from class SoTransformVec3f:

       
                    
                     SoTransformVec3f()

Methods from class SoEngine:

    static SoType    
                    
static SoType        getClassTypeId()    
virtual int    
                    
virtual int          getOutputs(SoEngineOutputList &list) const    
SoEngineOutput *    
                    
SoEngineOutput *     getOutput(const SbName &outputName) const    
SbBool    
                    
SbBool               getOutputName(const SoEngineOutput *output, SbName &outputName) const    
SoEngine *    
                    
SoEngine *           copy() const    
static SoEngine *    
                    
static SoEngine *    getByName(const SbName &name)    
static int    
                    
static int           getByName(const SbName &name, SoEngineList &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 engine takes as input a three dimensional floating-point vector and a transformation matrix. The vector is assumed to be a row vector.

The engine multiplies the vector by the matrix and returns the result in the output point. The output direction contains the result when the matrix multiplication assumes the vector is a direction, and therefore ignores the translation part of the matrix. The output normalDirection contains the normalized direction

INPUTS

    SoMFVec3f    
                    
SoMFVec3f            vector
Input row vector.

    SoMFMatrix    
                    
SoMFMatrix           matrix
Input transformation matrix.

OUTPUTS

    (SoMFVec3f)    
                    
(SoMFVec3f)          point
Vector transformed by matrix.

    (SoMFVec3f)    
                    
(SoMFVec3f)          direction
Vector transformed by matrix, ignoring translation.

    (SoMFVec3f)    
                    
(SoMFVec3f)          normalDirection
Normalized direction.

METHODS

       
                    
                     SoTransformVec3f()
Constructor

FILE FORMAT/DEFAULTS

TransformVec3f {



vector  0 0 0
matrix  1 0 0 0
        0 1 0 0
        0 0 1 0
        0 0 0 1


}

SEE ALSO

SoEngineOutput

Search for    or go to Top of page |  Section 3 |  Main Index


SOTRANSFORMVEC3F(3IV) (-->)

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