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| SoConcatenate(3) | Library Functions Manual | SoConcatenate(3) | 
NAME¶
SoConcatenate - The SoConcatenate class is used to concatenate several inputs into one output.
SYNOPSIS¶
#include <Inventor/engines/SoConcatenate.h>
Inherits SoEngine.
Public Types¶
enum { NUMINPUTS = 10 }
  
  
Public Member Functions¶
virtual SoType getTypeId (void) const
  
  virtual const SoFieldData * getFieldData (void) const
  
  virtual const SoEngineOutputData * getOutputData (void) const
  
  SoConcatenate (SoType inputType)
  
  
Public Member Functions inherited from SoEngine
  
  void evaluateWrapper (void)
  
  virtual int getOutputs (SoEngineOutputList &l) const
  
  SoEngineOutput * getOutput (const SbName &outputname)
    const
  
  SbBool getOutputName (const SoEngineOutput *output,
    SbName &outputname) const
  
  SbBool isNotifying (void) const
  
  virtual void notify (SoNotList *nl)
  
  SoEngine * copy (void) const
  
  virtual SoFieldContainer * copyThroughConnection (void) const
  
  SbBool shouldCopy (void) const
  
  
Public Member Functions inherited from SoFieldContainer
  
  void setToDefaults (void)
  
  SbBool hasDefaultValues (void) const
  
  SbBool fieldsAreEqual (const SoFieldContainer *container) const
  
  void copyFieldValues (const SoFieldContainer *container, SbBool
    copyconnections=FALSE)
  
  SbBool set (const char *const fielddata)
  
  void get (SbString &fielddata)
  
  virtual int getFields (SoFieldList &l) const
  
  virtual int getAllFields (SoFieldList &l) const
  
  virtual SoField * getField (const SbName &name) const
  
  virtual SoField * getEventIn (const SbName &name)
    const
  
  virtual SoField * getEventOut (const SbName &name)
    const
  
  SbBool getFieldName (const SoField *const field, SbName
    &name) const
  
  SbBool enableNotify (const SbBool flag)
  
  SbBool isNotifyEnabled (void) const
  
  SbBool set (const char *fielddata, SoInput *input)
  
  void get (SbString &fielddata, SoOutput *out)
  
  virtual SbBool validateNewFieldValue (SoField *field, void
    *newval)
  
  virtual void addWriteReference (SoOutput *out, SbBool
    isfromfield=FALSE)
  
  SbBool getIsBuiltIn (void) const
  
  virtual void getFieldsMemorySize (size_t &managed, size_t
    &unmanaged) const
  
  void setUserData (void *userdata) const
  
  void * getUserData (void) const
  
  
Public Member Functions inherited from SoBase
  
  void ref (void) const
  
  void unref (void) const
  
  void unrefNoDelete (void) const
  
  int32_t getRefCount (void) const
  
  void touch (void)
  
  SbBool isOfType (SoType type) const
  
  virtual SbName getName (void) const
  
  virtual void setName (const SbName &newname)
  
  virtual void startNotify (void)
  
  void addAuditor (void *const auditor, const SoNotRec::Type type)
  
  void removeAuditor (void *const auditor, const SoNotRec::Type
    type)
  
  const SoAuditorList & getAuditors (void) const
  
  SbBool shouldWrite (void)
  
  void assertAlive (void) const
  
  
Static Public Member Functions¶
static SoType getClassTypeId (void)
  
  static void * createInstance (void)
  
  static void initClass (void)
  
  
Static Public Member Functions inherited from SoEngine
  
  static void initClass (void)
  
  static void initClasses (void)
  
  static SoType getClassTypeId (void)
  
  static SoEngine * getByName (const SbName &name)
  
  static int getByName (const SbName &name,
    SoEngineList &el)
  
  
Static Public Member Functions inherited from
    SoFieldContainer
  
  static void initClass (void)
  
  static SoType getClassTypeId (void)
  
  static void cleanupClass (void)
  
  static void initCopyDict (void)
  
  static void addCopy (const SoFieldContainer *orig, const
    SoFieldContainer *copy)
  
  static SoFieldContainer * checkCopy (const
    SoFieldContainer *orig)
  
  static SoFieldContainer * findCopy (const
    SoFieldContainer *orig, const SbBool copyconnections)
  
  static void copyDone (void)
  
  
Static Public Member Functions inherited from SoBase
  
  static void initClass (void)
  
  static SoType getClassTypeId (void)
  
  static void addName (SoBase *const base, const char *const name)
  
  static void removeName (SoBase *const base, const char *const
    name)
  
  static void incrementCurrentWriteCounter (void)
  
  static void decrementCurrentWriteCounter (void)
  
  static SoBase * getNamedBase (const SbName &name,
    SoType type)
  
  static int getNamedBases (const SbName &name,
    SoBaseList &baselist, SoType type)
  
  static SbBool read (SoInput *input, SoBase *&base,
    SoType expectedtype)
  
  static void setInstancePrefix (const SbString &c)
  
  static void setTraceRefs (SbBool trace)
  
  static SbBool getTraceRefs (void)
  
  static SbBool connectRoute (SoInput *input, const SbName
    &fromnodename, const SbName &fromfieldname, const
    SbName &tonodename, const SbName &tofieldname)
  
  static SbBool readRoute (SoInput *input)
  
  
Public Attributes¶
SoMField * input [NUMINPUTS]
  
  SoEngineOutput * output
  
  
Static Protected Member Functions¶
static const SoFieldData ** getInputDataPtr (void)
  
  static const SoEngineOutputData ** getOutputDataPtr (void)
  
  
Static Protected Member Functions inherited from SoEngine
  
  static const SoFieldData ** getInputDataPtr (void)
  
  static const SoEngineOutputData ** getOutputDataPtr (void)
  
  
Static Protected Member Functions inherited from SoBase
  
  static uint32_t getCurrentWriteCounter (void)
  
  static void staticDataLock (void)
  
  static void staticDataUnlock (void)
  
  
Additional Inherited Members¶
Protected Types inherited from SoBase
  
  enum BaseFlags { IS_ENGINE = 0x01, IS_GROUP = 0x02 }
  
  
Protected Member Functions inherited from SoEngine
  
  SoEngine (void)
  
  virtual ~SoEngine (void)
  
  virtual void inputChanged (SoField *which)
  
  void writeOutputTypes (SoOutput *out)
  
  
Protected Member Functions inherited from SoFieldContainer
  
  SoFieldContainer (void)
  
  virtual ~SoFieldContainer ()
  
  
Protected Member Functions inherited from SoBase
  
  SoBase (void)
  
  virtual ~SoBase ()
  
  SbBool hasMultipleWriteRefs (void) const
  
  SbBool writeHeader (SoOutput *out, SbBool isgroup, SbBool
    isengine) const
  
  void writeFooter (SoOutput *out) const
  
  virtual const char * getFileFormatName (void) const
  
  
Protected Attributes inherited from SoFieldContainer
  
  SbBool isBuiltIn
  
  
Detailed Description¶
The SoConcatenate class is used to concatenate several inputs into one output.
Takes all the values from the 10 input multivalue fields in turn and concatenates them into the multivalue output.
Note that this engine's output field deviates a little from the "standard" output mechanism of the majority of engine classes: the SoConcatenate::output is not a permanent SoEngineOutput instance, but a pointer to a SoEngineOutput instance. The reason for this is that it is necessary to allocate the output field dynamically to make it match what the SoConcatenate::input is connected to since the type of the SoConcatenate::output always should be the same as the type of the SoConcatenate::input.
The file format for this field is a bit special. Note the leading type specification, which is not necessary for most other field types:
Concatenate {
  type <multivaluefieldtype>
  [...fields...]
}
Constructor & Destructor Documentation¶
SoConcatenate::SoConcatenate (SoType type)¶
Constructor. The type of the input/output is specified in type.
Member Function Documentation¶
virtual SoType SoConcatenate::getTypeId (void ) const [virtual]¶
Returns the type identification of an object derived from a class inheriting SoBase. This is used for run-time type checking and "downward" casting.
Usage example:
void foo(SoNode * node)
{
  if (node->getTypeId() == SoFile::getClassTypeId()) {
    SoFile * filenode = (SoFile *)node;  // safe downward cast, knows the type
  }
}
For application programmers wanting to extend the library with new nodes, engines, nodekits, draggers or others: this method needs to be overridden in all subclasses. This is typically done as part of setting up the full type system for extension classes, which is usually accomplished by using the pre-defined macros available through for instance Inventor/nodes/SoSubNode.h (SO_NODE_INIT_CLASS and SO_NODE_CONSTRUCTOR for node classes), Inventor/engines/SoSubEngine.h (for engine classes) and so on.
For more information on writing Coin extensions, see the class documentation of the toplevel superclasses for the various class groups.
Implements SoBase.
virtual const SoFieldData * SoConcatenate::getFieldData (void ) const [virtual]¶
Returns a pointer to the class-wide field data storage object for this instance. If no fields are present, returns NULL.
Reimplemented from SoFieldContainer.
virtual const SoEngineOutputData * SoConcatenate::getOutputData (void ) const [virtual]¶
This API member is considered internal to the library, as it is not likely to be of interest to the application programmer.
Implements SoEngine.
Member Data Documentation¶
SoMField* SoConcatenate::input[NUMINPUTS]¶
The multivalue input fields which we will concatenate into the output.
SoEngineOutput* SoConcatenate::output¶
(SoMField) This is the field output containing the concatenated values of all the input fields.
The type of the field will of course match the type of the input field.
Author¶
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| Version 3.1.3 | Coin |