AdvancedPredicates1D.h

Go to the documentation of this file.

/*
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 */
 
#pragma once
 
#include <string>
 
#include "AdvancedFunctions1D.h"
#include "Predicates1D.h"
 
#include "../view_map/Interface1D.h"
 
//
// Predicates definitions
//
 
namespace Freestyle {
 
namespace Predicates1D {
 
// DensityLowerThanUP1D
class DensityLowerThanUP1D : public UnaryPredicate1D {
 public:
  DensityLowerThanUP1D(double threshold, double sigma = 2)
  {
    _threshold = threshold;
    _sigma = sigma;
  }
 
  string getName() const
  {
    return "DensityLowerThanUP1D";
  }
 
  int operator()(Interface1D &inter)
  {
    Functions1D::DensityF1D fun(_sigma);
    if (fun(inter) < 0) {
      return -1;
    }
    result = (fun.result < _threshold);
    return 0;
  }
 
 private:
  double _sigma;
  double _threshold;
};
 
}  // end of namespace Predicates1D
 
} /* namespace Freestyle */