SimulationSnapshot.hpp

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#ifndef OPENSWMM_SIMULATION_SNAPSHOT_HPP
#define OPENSWMM_SIMULATION_SNAPSHOT_HPP
 
#include <vector>
#include <string>
#include <cstdint>
 
namespace openswmm {
 
struct NodeSnapshot {
    std::vector<double> depth;          
    std::vector<double> head;           
    std::vector<double> volume;         
    std::vector<double> lateral_inflow; 
    std::vector<double> total_inflow;   
    std::vector<double> overflow;       
};
 
struct LinkSnapshot {
    std::vector<double> flow;       
    std::vector<double> depth;      
    std::vector<double> velocity;   
    std::vector<double> capacity;   
};
 
struct SubcatchSnapshot {
    std::vector<double> rainfall;   
    std::vector<double> evap;       
    std::vector<double> infil;      
    std::vector<double> runoff;     
    std::vector<double> gw_flow;    
    std::vector<double> gw_elev;    
    std::vector<double> soil_moist; 
};
 
struct GageSnapshot {
    std::vector<double> rainfall;   
};
 
struct SimulationSnapshot {
    // -----------------------------------------------------------------------
    // Timing
    // -----------------------------------------------------------------------
 
    double sim_time = 0.0;
 
    std::int64_t wall_time_unix = 0;
 
    int output_step_index = 0;
 
    // -----------------------------------------------------------------------
    // Object counts
    // -----------------------------------------------------------------------
 
    int node_count     = 0; 
    int link_count     = 0; 
    int subcatch_count = 0; 
    int gage_count     = 0; 
    int pollut_count   = 0; 
 
    // -----------------------------------------------------------------------
    // State arrays (parallel to the engine's SoA arrays)
    // -----------------------------------------------------------------------
 
    NodeSnapshot     nodes;       
    LinkSnapshot     links;       
    SubcatchSnapshot subcatch;    
    GageSnapshot     gages;       
 
    // -----------------------------------------------------------------------
    // System-level results (for binary output file)
    // -----------------------------------------------------------------------
 
    double sys_temperature    = 0.0;  
    double sys_rainfall       = 0.0;  
    double sys_snow_depth     = 0.0;  
    double sys_evap           = 0.0;  
    double sys_infil          = 0.0;  
    double sys_runoff         = 0.0;  
    double sys_dw_inflow      = 0.0;  
    double sys_gw_inflow      = 0.0;  
    double sys_lat_inflow     = 0.0;  
    double sys_flooding       = 0.0;  
    double sys_outflow        = 0.0;  
    double sys_storage        = 0.0;  
    double sys_pet            = 0.0;  
 
    // -----------------------------------------------------------------------
    // Pollutant concentrations (optional; populated only if quality routing active)
    // -----------------------------------------------------------------------
 
    std::vector<double> node_quality;
 
    std::vector<double> link_quality;
 
    std::vector<double> subcatch_quality;
 
    // -----------------------------------------------------------------------
    // String tables (for plugins that need to label their output)
    // -----------------------------------------------------------------------
 
    const std::vector<std::string>* node_ids     = nullptr;
 
    const std::vector<std::string>* link_ids     = nullptr;
 
    const std::vector<std::string>* subcatch_ids = nullptr;
 
    const std::vector<std::string>* gage_ids     = nullptr;
 
    const std::vector<std::string>* pollut_names = nullptr;
 
    // -----------------------------------------------------------------------
    // Unit information
    // -----------------------------------------------------------------------
 
    const char* flow_units = nullptr;
 
    const char* length_units = nullptr;
};
 
} /* namespace openswmm */
 
#endif /* OPENSWMM_SIMULATION_SNAPSHOT_HPP */