package com.flightfeather.uav.model.epw
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import com.flightfeather.uav.model.BaseWeight
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import kotlin.math.abs
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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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*/
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class WindDisWeight : BaseWeight() {
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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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fun getWeight(dis: Double, ws: Double): Double {
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val value = dis / 1000 / ws / 60
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return weightCal(value)
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}
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fun getWeight(p1: Pair<Double, Double>, p2: Pair<Double, Double>, ws: Double): Double {
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val dx = p2.first - p1.first
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val dy = p2.second - p1.second
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val dis = sqrt(abs(dx * dx) + abs(dy * dy)) * 100
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return getWeight(dis, ws)
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}
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}
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