text: #ifndef ORTHGROUPVARIABLE_H
  #define ORTHGROUPVARIABLE_H
  
  #include <StieVariable.h>
  
  class OrthGroupVariable : public StieVariable{
  public:
  	OrthGroupVariable(integer n);
  	virtual OrthGroupVariable *ConstructEmpty(void) const;
  };
  
  #endif // end of ORTHGROUPVARIABLE_H