DataGroupPointPrv.hpp

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#pragma once
 
#include <cmath>
 
#include "AstGlobal.h"
#include "AstReport/DataGroupTimeVar.hpp"
#include "AstCore/Point.hpp"
#include "AstCore/Frame.hpp"
#include "AstMath/Vector.hpp"
#include "AstUtil/Span.hpp"
 
AST_NAMESPACE_BEGIN
 
class DataGroupPointPrv : public DataGroupTimeVar
{
public:
    struct Data
    {
        TimePoint time_;
        Vector3d  pos_;
        Vector3d  vel_;
 
        const TimePoint& getTime() const { return time_; }
 
        // 位置分量 & 模
        double getX() const { return pos_.x(); }
        double getY() const { return pos_.y(); }
        double getZ() const { return pos_.z(); }
        double getMagnitude() const { return pos_.norm(); }
 
        // 方向余弦
        double getXOverMag() const { double m = pos_.norm(); return (m < 1e-12) ? 0.0 : pos_.x() / m; }
        double getYOverMag() const { double m = pos_.norm(); return (m < 1e-12) ? 0.0 : pos_.y() / m; }
        double getZOverMag() const { double m = pos_.norm(); return (m < 1e-12) ? 0.0 : pos_.z() / m; }
 
        // 球面角
        double getRightAscension()    const { return std::atan2(pos_.y(), pos_.x()); }
        double getDeclination()       const { double m = pos_.norm(); return (m < 1e-12) ? 0.0 : std::asin(pos_.z() / m); }
        double getCoDeclination()     const { double m = pos_.norm(); return (m < 1e-12) ? 0.0 : std::acos(pos_.z() / m); }
        double getNegativeDeclination() const { return -getDeclination(); }
 
        // 方向角
        double getDirectionAngleX() const { double m = pos_.norm(); return (m < 1e-12) ? 0.0 : std::acos(pos_.x() / m); }
        double getDirectionAngleY() const { double m = pos_.norm(); return (m < 1e-12) ? 0.0 : std::acos(pos_.y() / m); }
        double getDirectionAngleZ() const { double m = pos_.norm(); return (m < 1e-12) ? 0.0 : std::acos(pos_.z() / m); }
 
        // 速度
        double getVelocityX()         const { return vel_.x(); }
        double getVelocityY()         const { return vel_.y(); }
        double getVelocityZ()         const { return vel_.z(); }
        double getVelocityMagnitude() const { return vel_.norm(); }
 
        // Detic 坐标 — 需要 BodyShape，暂不支持
        // double getDeticLatitude()  const;
        // double getDeticLongitude() const;
        // double getDeticAltitude()  const;
    };
    static DataElements Elements();
 
    DataGroupPointPrv() = default;
    ~DataGroupPointPrv() = default;
public:
    errc_t calculate(const TimeList& timeList, VariantVector& result) const override;
    const DataElements& getElements() const override;
public:
    errc_t calculate(const TimeList& timeList, std::vector<Data>& result) const;
    errc_t calculate(const TimeList& timeList, Span<Data> result) const;
public:
    Point* getPoint() const { return point_.get(); }
    Frame* getFrame() const { return frame_.get(); }
private:
    WeakPtr<Point> point_{};
    WeakPtr<Frame> frame_{};
};
 
 
AST_NAMESPACE_END