MotionHPOPSax.hpp

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#pragma once
 
#include "AstGlobal.h"
#include "MotionOrbitDynamicsSax.hpp"
#include "AstCore/StateCartesian.hpp"
#include "AstSim/MotionHPOP.hpp"
 
AST_NAMESPACE_BEGIN
 
class MotionHPOPSax : public MotionOrbitDynamicsSax
{
public:
    struct PhysicalParam{
        double mass_{1000};
        double dragCoefficient_{0.0};
        double dragAreaMassRatio_{0.0};
        double srpCoefficient_{0.0};
        double srpArea_{0.0};
    };
    using MotionOrbitDynamicsSax::MotionOrbitDynamicsSax;
    ~MotionHPOPSax() override = default;
public:
    errc_t begin(StringView name) override;
    errc_t keyValue(StringView key, const ValueView& value) override;
    errc_t getMotion(ScopedPtr<MotionProfile>& motion) override;
public:
protected:
    double getMass() const {return spacecraftParam_.mass_;}
private:
    CartState cartState_{};                
    HPOPForceModel forceModel_{};          
    PhysicalParam spacecraftParam_{}; 
    struct {
        std::string method_{};              
        std::string stepControlMethod_{};   
        double errorTolerance_ = 1e-13;    
        double timeStep_ = 60.0;           
        double minStepSize_ = 1.0;         
        double maxStepSize_ = 86400.0;     
        bool reportOnFixedStep_ = true;    
        int interpolationSamplesM1_ = 7;   
        std::string interpolationMethod_{}; 
        double altitudeCutOff_ = 10000.0;  
    } integrator_{};                      
};
 
AST_NAMESPACE_END