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Man Pages


Manual Reference Pages  -  SOFILE (3)

NAME

SoFile — node that reads children from a named file

CONTENTS

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

INHERITS FROM

SoBase > SoFieldContainer > SoNode > SoFile

SYNOPSIS

#include <Inventor/nodes/SoFile.h>

Fields from class SoFile:

    SoSFString    
                    
SoSFString           name

Methods from class SoFile:

       
                    
                     SoFile()    
SoGroup *    
                    
SoGroup *            copyChildren() const    
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 represents a subgraph that was read from a named input file. When an SoFile node is written out, just the field containing the name of the file is written; no children are written out. When an SoFile is encountered during reading, reading continues from the named file, and all nodes read from the file are added as hidden children of the file node.

Whenever the name field changes, any existing children are removed and the contents of the new file is read in. The file node remembers what directory the last file was read from and will read the new file from the same directory after checking the standard list of directories (see SoInput), assuming the field isn’t set to an absolute path name.

The children of an SoFile node are hidden; there is no way of accessing or editing them. If you wish to edit the contents of an SoFile node, you can modify the contents of the named file and then "touch" the name field (see SoField). Alternatively, you can use the copyChildren() method to get a editable copy of the file node’s children. Note that this does not affect the original file on disk, however.

FIELDS

    SoSFString    
                    
SoSFString           name
Name of file from which to read children.

METHODS

       
                    
                     SoFile()
Creates a file node with default settings.

    SoGroup *    
                    
SoGroup *            copyChildren() const
Returns a new SoGroup containing copies of all of the file node’s children.

    static SoType    
                    
static SoType        getClassTypeId()
Returns type identifier for this class.

ACTION BEHAVIOR

SoGLRenderAction, SoCallbackAction, SoGetBoundingBoxAction, SoGetMatrixAction, SoHandleEventAction
Traverses its children just as SoGroup does.

SoRayPickAction
Traverses its hidden children, but, if intersections are found, generates paths that end at the SoFile node.

SoWriteAction
Writes just the name field and no children.

FILE FORMAT/DEFAULTS

File {



name  "<Undefined file>"


}

SEE ALSO

SoInput, SoPath

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