PolygonEdge.hpp

Go to the documentation of this file.

/*
 
  This file is part of OpenFLUID software
  Copyright(c) 2007, INRA - Montpellier SupAgro
 
 
 == GNU General Public License Usage ==
 
  OpenFLUID 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 3 of the License, or
  (at your option) any later version.
 
  OpenFLUID 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 OpenFLUID. If not, see <http://www.gnu.org/licenses/>.
 
 
 == Other Usage ==
 
  Other Usage means a use of OpenFLUID that is inconsistent with the GPL
  license, and requires a written agreement between You and INRA.
  Licensees for Other Usage of OpenFLUID may use this file in accordance
  with the terms contained in the written agreement between You and INRA.
 
*/
 
/**
  @file PolygonEdge.hpp
 
  @author Aline LIBRES <aline.libres@gmail.com>
  @author Michael RABOTIN <michael.rabotin@supagro.inra.fr>
 */
 
#ifndef __OPENFLUID_LANDR_POLYGONEDGE_HPP__
#define __OPENFLUID_LANDR_POLYGONEDGE_HPP__
 
 
#include <map>
 
#include <geos/planargraph/Edge.h>
 
#include <openfluid/dllexport.hpp>
 
 
namespace geos {
namespace geom {
class LineString;
class CoordinateSequence;
}
namespace planargraph {
class Edge;
} }
 
namespace openfluid {
namespace core {
class Value;
}
 
 
namespace landr {
 
 
class PolygonEntity;
 
/**
  @brief A part of a PolygonEntity exterior ring, that may be share between to adjacent PolygonEntity.
  @details A PolygonEdge  has one or two Faces. The Faces are the PolygonEntity that share this PolygonEdge.
*/
class OPENFLUID_API PolygonEdge: public geos::planargraph::Edge
{
  private:
 
    /**
      @brief The geos::geom::LineString associated to this PolygonEdge.
    */
    geos::geom::LineString& m_Line;
 
    /**
      @brief A vector of the PolygonEntity associated to this PolygonEdge.
      @details At most two elements vector.
    */
    std::vector<PolygonEntity*> m_Faces;
 
 
  public:
 
    PolygonEdge(geos::geom::LineString& Line);
 
    ~PolygonEdge();
 
    /**
      @brief Map of Attributes which are carried by this PolygonEdge.
    */
    std::map<std::string, core::Value*> m_EdgeAttributes;
 
    /**
      @brief Returns the geos::geom::LineString representing this PolygonEdge.
    */
    geos::geom::LineString* line();
 
    /**
      @brief Add a PolygonEntity as a Face to this PolygonEdge.
      @param NewFace A PolygonEntity.
      @throw base::FrameworkException if this PolygonEdge is not in the boundary of the input PolygonEntity,
      or if this PolygonEdge has already two Faces.
    */
    void addFace(PolygonEntity& NewFace);
 
    /**
      @brief Returns true if this PolygonEdge is in the boundary of the input PolygonEntity.
      @param Face A PolygonEntity.
      @return True if this PolygonEdge is in the boundary of the input PolygonEntity, false otherwise.
    */
    bool isLineInFace(PolygonEntity& Face);
 
    /**
      @brief Returns a vector of PolygonEntity which represent the Faces of this PolygonEdge.
    */
    const std::vector<PolygonEntity*> getFaces();
 
    /**
      @brief Removes a Face from the Faces of this PolygonEdge.
      @details Does nothing if the input Face is not a part of this PolygonEdge Faces.
      @param Face A PolygonEntity.
    */
    void removeFace(PolygonEntity* Face);
 
    /**
      @brief Gets the value of an attribute of this PolygonEdge.
      @param AttributeName The name of the attribute to get.
      @param Value The core::Value to assign the attribute value.
      @return True if the attribute exists, false otherwise.
    */
    bool getAttributeValue(const std::string& AttributeName, core::Value& Value) const;
 
    /**
      @brief Sets the value of an attribute of this PolygonEdge.
      @details Takes the ownership of Value.
      @param AttributeName The name of the attribute to set.
      @param Value The core::Value assign to the attribute value.
      @return True if the attribute exists, false otherwise.
    */
    bool setAttributeValue(const std::string& AttributeName, const core::Value* Value);
 
    /**
      @brief Removes an attribute of this PolygonEdge.
      @param AttributeName The name of the attribute to set.
    */
    void removeAttribute(const std::string& AttributeName);
 
    /**
      @brief Returns true if this PolygonEdge is coincident with an other PolygonEdge.
      @param Edge The PolygonEdge to test the coincidence.
      @return True if the two PolygonEdge are coincidents, false otherwise.
    */
    bool isCoincident(PolygonEdge *Edge);
 
};
 
 
} }  // namespaces
 
 
#endif /* __OPENFLUID_LANDR_POLYGONEDGE_HPP__ */