package com.flightfeather.uav.model.underwaygrid
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import com.flightfeather.uav.model.BaseWeight
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import com.flightfeather.uav.socket.eunm.FactorType
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import java.math.BigDecimal
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import kotlin.math.abs
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import kotlin.math.max
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import kotlin.math.sqrt
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/**
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* 风速距离权重
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* 监测点与污染源之间的物理距离与当前风速得出的权重
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* @date 2025/3/21
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* @author feiyu02
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*/
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class GridWindDisWeight : BaseWeight<GridCellAndData, GridCellSop>() {
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override val tag: String = "风速距离权重"
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override val sectionValues: List<Double> = listOf(2.0, 5.0, 8.0, 12.0, 20.0, 30.0)
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override val weights: List<Double> = listOf(1.0, 0.8, 0.6, 0.5, 0.3, 0.0)
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override fun onWeightFactor(mData: GridCellAndData, sop: GridCellSop): Double? {
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val p1 = Pair(mData.gridCell.longitude, mData.gridCell.latitude)
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val p2 = Pair(sop.gridCell.longitude, sop.gridCell.latitude)
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val ws = mData.getFactorData(FactorType.WIND_SPEED)
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return if (ws == null) null else getWindSpeed(p1, p2, ws)
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}
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private fun getWindSpeed(p1: Pair<BigDecimal, BigDecimal>, p2: Pair<BigDecimal, BigDecimal>, ws: Double): Double {
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val dx = (p2.first - p1.first).toDouble()
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val dy = (p2.second - p1.second).toDouble()
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val dis = sqrt(abs(dx * dx) + abs(dy * dy)) * 100
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val min = dis * 1000 / max(ws, 1.0) / 60
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return min
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}
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}
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