#ifndef _ExactPreprocessor_H__
#define _ExactPreprocessor_H__

#include "Preprocessor.h"

  /** Exact visibility preprocessing. The implementation is based on 6D BSP and
      Plucker coordinates */
  class ExactPreprocessor : public Preprocessor {
  public:
    virtual bool ComputeVisibility();

		virtual bool BuildBspTree() { return false; }

  };
  


#endif