SpatialFeatureMapping.hpp

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/* 
 * SpatialFeatureMappingExtractor.hpp 
 *
 * This file is part of the Chemical Data Processing Toolkit
 *
 * Copyright (C) 2003 Thomas Seidel <thomas.seidel@univie.ac.at>
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this library; see the file COPYING. If not, write to
 * the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 * Boston, MA 02111-1307, USA.
 */
 
#ifndef CDPL_PHARM_SPATIALFEATUREMAPPING_HPP
#define CDPL_PHARM_SPATIALFEATUREMAPPING_HPP
 
#include <utility>
#include <unordered_map>
#include <functional>
 
#include <boost/functional/hash.hpp>
 
#include "CDPL/Pharm/APIPrefix.hpp"
#include "CDPL/Pharm/FeatureMapping.hpp"
#include "CDPL/Math/Matrix.hpp"
 
 
namespace CDPL
{
 
    namespace Pharm
    {
 
        class FeatureContainer;
 
        class CDPL_PHARM_API SpatialFeatureMapping : public FeatureMapping
        {
 
          public:
            typedef std::function<bool(const Feature&, const Feature&)> TypeMatchFunction;
 
            typedef std::function<double(const Feature&, const Feature&, const Math::Matrix4D&)> PositionMatchFunction;
 
            typedef std::function<double(const Feature&, const Feature&, const Math::Matrix4D&)> GeometryMatchFunction;
 
            SpatialFeatureMapping(bool query_mode = false);
 
            void setTypeMatchFunction(const TypeMatchFunction& func);
 
            const TypeMatchFunction& getTypeMatchFunction() const;
 
            void setPositionMatchFunction(const PositionMatchFunction& func);
 
            const PositionMatchFunction& getPositionMatchFunction() const;
 
            void setGeometryMatchFunction(const GeometryMatchFunction& func);
 
            const GeometryMatchFunction& getGeometryMatchFunction() const;
 
            double getPositionMatchScore(const Feature& ref_ftr, const Feature& aligned_ftr) const;
 
            double getGeometryMatchScore(const Feature& ref_ftr, const Feature& aligned_ftr) const;
 
            void perceive(const FeatureContainer& ref_ftrs, const FeatureContainer& aligned_ftrs, const Math::Matrix4D& xform);
 
          private:
            typedef std::pair<const Feature*, const Feature*>                          FeaturePair;
            typedef std::unordered_map<FeaturePair, double, boost::hash<FeaturePair> > FeaturePairToScoreMap;
 
            TypeMatchFunction     typeMatchFunc;
            PositionMatchFunction posMatchFunc;
            GeometryMatchFunction geomMatchFunc;
            FeaturePairToScoreMap posMatchScores;
            FeaturePairToScoreMap geomMatchScores;
        };
    } // namespace Pharm
} // namespace CDPL
 
#endif // CDPL_PHARM_SPATIALFEATUREMAPPING_HPP