gauss_stimulus_2d.h

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#pragma once
 
#include <cmath>
#include <sstream>
#include <iomanip>
 
#include "tools/math.h"
#include "element.h"
 
namespace dnf_composer::element
{
    struct GaussStimulus2DParameters final : ElementSpecificParameters
    {
        double width;         // isotropic sigma
        double amplitude;
        double position_x;
        double position_y;
        bool circular;
        bool normalized;
 
        explicit GaussStimulus2DParameters(double width = 5.0, double amplitude = 15.0,
                                           double position_x = 50.0, double position_y = 50.0,
                                           bool circular = true, bool normalized = false)
            : width(width), amplitude(amplitude),
              position_x(position_x), position_y(position_y),
              circular(circular), normalized(normalized)
        {}
 
        bool operator==(const GaussStimulus2DParameters& other) const
        {
            constexpr double epsilon = 1e-6;
            return std::abs(width - other.width) < epsilon &&
                   std::abs(amplitude - other.amplitude) < epsilon &&
                   std::abs(position_x - other.position_x) < epsilon &&
                   std::abs(position_y - other.position_y) < epsilon &&
                   circular == other.circular &&
                   normalized == other.normalized;
        }
 
        [[nodiscard]] std::string toString() const override
        {
            std::ostringstream result;
            result << std::fixed << std::setprecision(2);
            result << "Parameters: ["
                << "Width: " << width << ", "
                << "Amplitude: " << amplitude << ", "
                << "Position x: " << position_x << ", "
                << "Position y: " << position_y << ", "
                << "Circular: " << (circular ? "true" : "false") << ", "
                << "Normalized: " << (normalized ? "true" : "false") << "]";
            return result.str();
        }
    };
 
    class GaussStimulus2D final : public Element
    {
    private:
        GaussStimulus2DParameters parameters;
    public:
        GaussStimulus2D(const ElementCommonParameters& elementCommonParameters,
                        const GaussStimulus2DParameters& parameters);
 
        void init() override;
        void step(double t, double deltaT) override;
        std::string toString() const override;
        std::shared_ptr<Element> clone() const override;
 
        void setParameters(const GaussStimulus2DParameters& parameters);
        GaussStimulus2DParameters getParameters() const;
    };
}