package com.flightfeather.uav.lightshare.bean
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import com.flightfeather.uav.common.utils.MapUtil
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import kotlin.math.PI
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/**
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* 网格化权重分析象限对象
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* 以监测点为网格线的中心的基础上，向外扩散的每一圈网格按照坐标系分为四个象限
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* 每个象限中的网格按照角上的网格作为分界，分成3部分，分别有不同的向外扩散机制
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*/
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class QuadrantInfo{
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val gridsHorizontal = mutableListOf<GridVo>()
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val gridsCorner = mutableListOf<GridVo>()
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val gridsVertical = mutableListOf<GridVo>()
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fun new(type: Quadrant, turns: Int, lng: Double, lat: Double, dx: Double, dy: Double) {
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var plusMinusX = 1 // 经度增加或减少
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var plusMinusY = 1 // 纬度增加或减少
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when (type) {
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Quadrant.First -> {
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plusMinusX = 1
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plusMinusY = 1
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}
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Quadrant.Second -> {
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plusMinusX = 1
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plusMinusY = -1
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}
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Quadrant.Third -> {
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plusMinusX = -1
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plusMinusY = -1
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}
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Quadrant.Fourth -> {
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plusMinusX = -1
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plusMinusY = 1
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}
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}
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// 角
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gridsCorner.add(GridVo("$turns-${type.value}-c").apply {
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lb = Pair(lng + turns * dx * plusMinusX, lat + turns * dy * plusMinusY)
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rt = Pair(lb!!.first + dx, lb!!.second + dy)
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ciLongitude = (lb!!.first + dx / 2).toBigDecimal()
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ciLatitude = (lb!!.second + dy / 2).toBigDecimal()
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})
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// 水平方向
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repeat(turns) {
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gridsHorizontal.add(GridVo("$turns-${type.value}-l-$it").apply {
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lb = Pair(lng + it * dx * plusMinusX, lat + turns * dy * plusMinusY)
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rt = Pair(lb!!.first + dx, lb!!.second + dy)
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ciLongitude = (lb!!.first + dx / 2).toBigDecimal()
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ciLatitude = (lb!!.second + dy / 2).toBigDecimal()
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})
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}
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// 垂直方向
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repeat(turns) {
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gridsVertical.add(GridVo("$turns-${type.value}-l-$it").apply {
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lb = Pair(lng + turns * dx * plusMinusX, lat + it * dy * plusMinusY)
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rt = Pair(lb!!.first + dx, lb!!.second + dy)
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ciLongitude = (lb!!.first + dx / 2).toBigDecimal()
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ciLatitude = (lb!!.second + dy / 2).toBigDecimal()
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})
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}
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}
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fun next() {
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}
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}
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enum class Quadrant(val des: String, val value:Int){
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First("右上象限", 1),
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Second("右下象限", 2),
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Third("左下象限", 3),
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Fourth("左上象限", 4),
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}
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object GridFactory {
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// 监测点坐标
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private var lng = .0
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private var lat = .0
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private var dx = .0
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private var dy = .0
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/**
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* 设置监测点坐标
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*/
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fun setCenter(lng: Double, lat: Double): GridFactory {
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this.lng = lng
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this.lat = lat
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return this
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}
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/**
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* 设置网格长度
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* @param len 网格长度（米）
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*/
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fun setGridLength(len: Double): GridFactory {
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val center = Pair(lng, lat)
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val p1 = MapUtil.getPointByLen(center, len, PI / 2)//正东方向（90°）的坐标点
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val p2 = MapUtil.getPointByLen(center, len, PI)//正南方向（180°）的坐标点
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this.dx = p1.first - center.first
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this.dy = center.second - p2.second
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return this
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}
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/**
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* 新建一圈网格
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* @param turns 圈数（从0开始）
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*/
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// fun newGridsByTurns(turns: Int): List<QuadrantInfo> {
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//
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// }
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}
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