改API接口

tangxu

2024-03-26 edd23f115dba31d764fdaf75a6207d888d0419d3

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using IStation.Model;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
 
namespace IStation.Calc
{
    internal partial class ErQuCalcBaseHelper
    {
        //长江水位
        protected List<IStation.Model.TimeWaterLevel> _riverWaterLevels = null;
        protected DateTime _riverWaterLevelStart;
        protected DateTime _riverWaterLevelEnd;
        //
        protected List<Model.RiverWaterLevelDrop> _listRiverWaterLevelDrop = null;
 
        protected double GetDropHeightByPumpCount(int openPumpCount)
        {
            if (openPumpCount >= 4)
            {
                return 2.5;
            }
            else if (openPumpCount == 3)
            {
                return 1.54;
            }
            else if (openPumpCount == 3)
            {
                return 0.81;
            }
            else if (openPumpCount == 2)
            {
                return 0.32;
            }
            else
            {
                return 0.25;
            }
        }
 
        protected double GetDropHeightByFlow(double totalFlow)
        {
            if (totalFlow < _listRiverWaterLevelDrop.Last().Flow)
            {
                for (int i = 0; i < _listRiverWaterLevelDrop.Count; i++)
                {
                    if (totalFlow < _listRiverWaterLevelDrop[i].Flow)
                    {
                        return _listRiverWaterLevelDrop[i].DropHeight;
                    }
                }
            }
            return _listRiverWaterLevelDrop.Last().DropHeight;
        }
 
 
        /// <summary>
        /// 
        /// </summary>
        /// <param name="riverWaterLevels"></param>
        protected void SetRiverWaterLevels(List<IStation.Model.TimeWaterLevel> riverWaterLevels)
        { 
            this._riverWaterLevels = riverWaterLevels;
            if (this._riverWaterLevels != null)
            {
                _riverWaterLevelStart = this._riverWaterLevels.First().Time;
                _riverWaterLevelEnd = this._riverWaterLevels.Last().Time;
            } 
        }
 
 
        /// <summary>
        /// 计算长江水位
        /// </summary>
        /// <param name="time"></param>
        /// <returns></returns>
        public double GetRiverWaterLevelByTime(DateTime time)
        {
            if (this._riverWaterLevels.Count() == 1)
                return this._riverWaterLevels[0].Level;
            if (time <= this._riverWaterLevelStart)
                return this._riverWaterLevels[0].Level;
            if (time >= this._riverWaterLevelEnd)
                return this._riverWaterLevels.Last().Level;
            for (int i = 1; i < this._riverWaterLevels.Count; i++)
            {
                if (time <= this._riverWaterLevels[i].Time)
                {
                    return this._riverWaterLevels[i - 1].Level +
                         (this._riverWaterLevels[i].Level - this._riverWaterLevels[i - 1].Level) * (time - this._riverWaterLevels[i - 1].Time).TotalSeconds
                         / (this._riverWaterLevels[i].Time - this._riverWaterLevels[i - 1].Time).TotalSeconds;
                }
            }
            return this._riverWaterLevels.Last().Level;
        }
       
        /// <summary>
        /// 
        /// </summary>
        /// <param name="riverWaterLevels"></param>
        /// <param name="time"></param>
        /// <returns></returns>
        static public double GetRiverWaterLevelByTime(List<IStation.Model.TimeWaterLevel> riverWaterLevels, DateTime time)
        {
            if (riverWaterLevels == null)
                return 0;
            if (riverWaterLevels.Count() == 1)
                return riverWaterLevels[0].Level;
            if (time <= riverWaterLevels.First().Time)
                return riverWaterLevels[0].Level;
            if (time >= riverWaterLevels.Last().Time)
                return riverWaterLevels.Last().Level;
            for (int i = 1; i < riverWaterLevels.Count; i++)
            {
                if (time <= riverWaterLevels[i].Time)
                {
                    return riverWaterLevels[i - 1].Level +
                         (riverWaterLevels[i].Level - riverWaterLevels[i - 1].Level) * (time - riverWaterLevels[i - 1].Time).TotalSeconds
                         / (riverWaterLevels[i].Time - riverWaterLevels[i - 1].Time).TotalSeconds;
                }
            }
            return riverWaterLevels.Last().Level;
        }
 
        /// <summary>
        /// 
        /// </summary>
        /// <param name="riverWaterLevels"></param>
        /// <param name="start_time"></param>
        /// <param name="end_time"></param>
        /// <returns></returns>
        static public List<IStation.Model.TimeWaterLevel> GetRiverWaterLevelByTimeRange(
            List<IStation.Model.TimeWaterLevel> riverWaterLevels,
            DateTime start_time, DateTime end_time)
        {
            if (start_time >= end_time)
                return null;
            List<IStation.Model.TimeWaterLevel> okList = new List<TimeWaterLevel>();
            okList.Add(
               new TimeWaterLevel() { Time = start_time, Level = GetRiverWaterLevelByTime(riverWaterLevels, start_time) });
            for (int i = 0; i < riverWaterLevels.Count; i++)
            {
                if (start_time < riverWaterLevels[i].Time && riverWaterLevels[i].Time < end_time)
                {
                    okList.Add(riverWaterLevels[i]);
                }
            }
            okList.Add(
               new TimeWaterLevel() { Time = end_time, Level = GetRiverWaterLevelByTime(riverWaterLevels, end_time) });
            return okList;
        }
 
        
    }
}