Program Listing for File CRSSTDistance.h

↰ Return to documentation for file (include/gwmodelpp/spatialweight/CRSSTDistance.h)

#ifndef CRSSTDISTANCE_H
#define CRSSTDISTANCE_H

#include "CRSDistance.h"
#include "OneDimDistance.h"
#include <math.h>

namespace gwm
{

class CRSSTDistance : public Distance
{
public:

    typedef arma::vec (*CalculatorType)(Distance*, gwm::OneDimDistance*, arma::uword, double, double);

    static arma::vec OrthogonalSTDistance(Distance* spatial, gwm::OneDimDistance* temporal, arma::uword focus, double lambda, double angle);

    static arma::vec ObliqueSTDistance(Distance* spatial, gwm::OneDimDistance* temporal, arma::uword focus, double lambda, double angle);

public:

    CRSSTDistance();

    explicit CRSSTDistance(Distance* spatialDistance, gwm::OneDimDistance* temporalDistance, double lambda);

    explicit CRSSTDistance(Distance* spatialDistance, gwm::OneDimDistance* temporalDistance, double lambda, double angle);

    CRSSTDistance(const CRSSTDistance& distance);

    Distance * clone() const override
    {
        return new CRSSTDistance(*this);
    }

    DistanceType type() override { return DistanceType::CRSSTDistance; }

    void makeParameter(std::initializer_list<DistParamVariant> plist) override;

    arma::vec distance(arma::uword focus) override
    {
        return mCalculator(mSpatialDistance, mTemporalDistance, focus, mLambda, mAngle);
    }

    double minDistance() override;

    double maxDistance() override;

public:

    //const gwm::CRSDistance* spatialDistance() const { return mSpatialDistance; }

    const Distance* spatialDistance() const { return mSpatialDistance; }

    const gwm::OneDimDistance* temporalDistance() const { return mTemporalDistance; }

    // unused code to set lambda
    // double lambda() const { return mLambda; }
    void setLambda(const double lambda)    {
        if (lambda >= 0 && lambda <= 1)
        {
            mLambda = lambda;
        }
        else
            throw std::runtime_error("The lambda must be in [0,1].");
    }

protected:
    Distance* mSpatialDistance = nullptr;
    gwm::OneDimDistance* mTemporalDistance = nullptr;

    double mLambda = 0.0;
    double mAngle = arma::datum::pi / 2;

private:
    std::unique_ptr<Parameter> mParameter;
    CalculatorType mCalculator = &OrthogonalSTDistance;
};

}

#endif // CRSSTDISTANCE_H