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Man Pages


Manual Reference Pages  -  SOSELECTONE (3)

NAME

SoSelectOne — selects one value from a multiple-value field.

CONTENTS

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

INHERITS FROM

SoBase > SoFieldContainer > SoEngine > SoSelectOne

SYNOPSIS

#include <Inventor/engines/SoSelectOne.h>

Inputs from class SoSelectOne:

    SoSFInt32    
                    
SoSFInt32            index    
<inputType>    
                    
<inputType>          input

Outputs from class SoSelectOne:

    (<outputType>)    
                    
(<outputType>)       output

Methods from class SoSelectOne:

       
                    
                     SoSelectOne(SoType inputType)

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 selects a single value from a multiple-value field, based on the input field index. The type of the input field can be any subclass of SoMField, and the type of the output is the corresponding subclass of SoSField. For example, if the input type is SoMFVec3f, the output type will be SoSFVec3f. The type is specified when an instance of the class is created. For example, SoSelectOne(SoMFFloat::getClassTypeId()) creates an engine that selects one floating-point value.

Note that unlike most other engine fields, the input field and output are pointers. Note also that by default input does not contain any values, and no value is output from the engine.

INPUTS

    SoSFInt32    
                    
SoSFInt32            index
Index of the value to select from the multiple-value field.

    <inputType>    
                    
<inputType>          input
The multiple-value field from which the value will be selected.

OUTPUTS

    (<outputType>)    
                    
(<outputType>)       output
The single value selected.

METHODS

       
                    
                     SoSelectOne(SoType inputType)
Constructor. The argument specifies the type of the multiple-value input field.

FILE FORMAT/DEFAULTS

SelectOne {



type   <inputType>
input  []
index  0


}

SEE ALSO

SoEngineOutput, SoConcatenate, SoGate

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