SoTransformSeparator.h

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**=======================================================================*/
/*=======================================================================
** Author      : Paul S. Strauss (MMM yyyy)
** Modified by : Nick Thompson (MMM yyyy)
**=======================================================================*/
/*=======================================================================
 *** THE CONTENT OF THIS WORK IS PROPRIETARY TO FEI S.A.S, (FEI S.A.S.),            ***
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**=======================================================================*/
/*=======================================================================
** Modified by : VSG (MMM YYYY)
**=======================================================================*/
 
 
#ifndef  _SO_TRANSFORM_SEPARATOR_
#define  _SO_TRANSFORM_SEPARATOR_
 
#include <Inventor/nodes/SoGroup.h>

namespace inventor {
  namespace node {
    class SoSetMatrix;
  }
}

//
//  Class: SoTransformSeparator
//
//  TransformSeparator group node: isolates any transformations under
//  the node from the rest of the graph. In effect, this node acts as
//  a separator for just modeling transformations; it saves the model
//  matrix before traversing children and restores it afterwards.
//

class  SoTransformSeparator : public SoGroup {
 
  SO_NODE_HEADER(SoTransformSeparator);
 
 public:
  // No fields

  SoTransformSeparator();

  SoTransformSeparator(int nChildren);
 
 private:
  // Implement actions
  virtual void        doAction(SoAction *action);
  virtual void        callback(SoCallbackAction *action);
  virtual void        GLRender(SoGLRenderAction *action);
  virtual void        pick(SoPickAction *action);
  virtual void        getBoundingBox(SoGetBoundingBoxAction *action);
  virtual void        getMatrix(SoGetMatrixAction *action);
  virtual void        getPrimitiveCount(SoGetPrimitiveCountAction *action);
  virtual void        handleEvent(SoHandleEventAction* action);
 
 private:
  static void         initClass();
  static void         exitClass();
 
 private:
  virtual ~SoTransformSeparator();
 
private:
 
  // Node used to restore current model matrix.
  inventor::node::SoSetMatrix* m_setModelMatrix;
};
 
#endif /* _SO_TRANSFORM_SEPARATOR_ */