aslDistanceFunction.h

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/*
 * Advanced Simulation Library <http://asl.org.il>
 * 
 * Copyright 2015 Avtech Scientific <http://avtechscientific.com>
 *
 *
 * This file is part of Advanced Simulation Library (ASL).
 *
 * ASL is free software: you can redistribute it and/or modify it
 * under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, version 3 of the License.
 *
 * ASL 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with ASL. If not, see <http://www.gnu.org/licenses/>.
 *
 */
 
 
#ifndef ASLDISTANCEFUNCTION_H
#define ASLDISTANCEFUNCTION_H
 
#include <acl/aclMath/aclVectorOfElementsDef.h>
#include <aslUtilities.h>
 
namespace acl
{
  class KernelConfiguration;
}
 
namespace asl {
 
  template <typename T> class AVec;
  class Block;
 
  class AbstractDataWithGhostNodes; 
  typedef std::shared_ptr<AbstractDataWithGhostNodes> SPAbstractDataWithGhostNodes;
  

  class DistanceFunction
  {
    protected:
      DistanceFunction();
    public:
      virtual ~DistanceFunction();
      virtual acl::VectorOfElements getDistance(const acl::VectorOfElements & pos)=0;
  };

  typedef std::shared_ptr<DistanceFunction> SPDistanceFunction; 
  
  class DistFBinaryOperation: public DistanceFunction
  {
    protected:
      SPDistanceFunction e1;
      SPDistanceFunction e2;
    public:
      DistFBinaryOperation(SPDistanceFunction a, SPDistanceFunction b);
  };

  class DistFUnaryOperation: public DistanceFunction
  {
    protected:
      SPDistanceFunction e1;
    public:
      DistFUnaryOperation(SPDistanceFunction a);
  };
  
  class DistFOperationAnd: public DistFBinaryOperation
  {
    public:
      DistFOperationAnd(SPDistanceFunction a, SPDistanceFunction b);
      virtual acl::VectorOfElements getDistance(const acl::VectorOfElements & pos);
  };

  class DistFOperationOr: public DistFBinaryOperation
  {
    public:
      DistFOperationOr(SPDistanceFunction a, SPDistanceFunction b);
      virtual acl::VectorOfElements getDistance(const acl::VectorOfElements & pos);
  };

  class DistFOperationInversion: public DistFUnaryOperation
  {
    public:
      DistFOperationInversion(SPDistanceFunction a);
      virtual acl::VectorOfElements getDistance(const acl::VectorOfElements & pos);
  };
  
  
  class DistFSphere: public DistanceFunction
  {
    private:
      acl::VectorOfElements radius;
      acl::VectorOfElements center;
    public:
      DistFSphere(double r, const AVec<double> & c);
      virtual acl::VectorOfElements getDistance(const acl::VectorOfElements & pos);
  };


  class DistFCylinder: public DistanceFunction
  {
    private:
      acl::VectorOfElements radius;
      acl::VectorOfElements orientation;
      acl::VectorOfElements center;
    public:
      DistFCylinder(double r, const AVec<double> & l, const AVec<double> & c);
      virtual acl::VectorOfElements getDistance(const acl::VectorOfElements & pos);
  };


  class DistFCone: public DistanceFunction
  {
    private:
      acl::VectorOfElements tanTheta;
      acl::VectorOfElements orientation;
      acl::VectorOfElements apex;
    public:
      DistFCone(double th, const AVec<double> & l, const AVec<double> & a);
      virtual acl::VectorOfElements getDistance(const acl::VectorOfElements & pos);
  };
  

  class DistFPlane: public DistanceFunction
  {
    private:
      acl::VectorOfElements normal;
      acl::VectorOfElements b;
    public:
      DistFPlane(AVec<double> n, AVec<double> p0);
      virtual acl::VectorOfElements getDistance(const acl::VectorOfElements & pos);
  };
  

  class DistFNormalization: public DistFUnaryOperation
  {
    protected:
      acl::VectorOfElements factor;
    public:
      static const double scaleFactor;
      DistFNormalization(SPDistanceFunction a, double dx);
      virtual acl::VectorOfElements getDistance(const acl::VectorOfElements & pos);
  };

  class DataInterpolation: public DistanceFunction
  {
    protected:
      SPAbstractDataWithGhostNodes data;
      
    public:
      DataInterpolation(SPAbstractDataWithGhostNodes d);
      virtual acl::VectorOfElements getDistance(const acl::VectorOfElements & pos);
  };
  
} // asl
 
#endif // ASLDISTANCEFUNCTION