| | |
| | | package com.flightfeather.uav.biz.satellite |
| | | |
| | | import com.flightfeather.uav.common.utils.MapUtil |
| | | import com.flightfeather.uav.domain.entity.GridCell |
| | | import com.flightfeather.uav.domain.entity.* |
| | | import kotlin.math.PI |
| | | import kotlin.math.sqrt |
| | | |
| | |
| | | /** |
| | | * 根据正方形网格中心点坐标,计算4个顶点坐标 |
| | | * 网格中心点坐标按照从左到右、从上到下的顺序排列 |
| | | * @date 2025.1.8 |
| | | * @param points 网格中心坐标点数组 |
| | | * @return 网格4个顶点经纬度坐标 |
| | | */ |
| | | fun calGridVertex(points: List<Pair<Double, Double>>): List<GridVertex> { |
| | | // 网格少于2个,则无法绘制 |
| | |
| | | /** |
| | | * 拆分网格为细分网格,所有网格应该是相同边长的正方形 |
| | | * 根据相似矩形的原理,可以分别按比例得到每个细分网格的经纬度 |
| | | * @date 2025.1.17 |
| | | * @param gridCellList 原始网格数组 |
| | | * @param scale 拆分的系数,例如 2,表示将原有网格按边长的 1/2 拆分成 2 * 2 的4个网格 |
| | | * @param groupId 细分后的网格所属的网格组id |
| | | * @return |
| | | * @return 细分网格 |
| | | */ |
| | | fun splitGrid(gridCellList: List<GridCell?>, scale: Int, groupId:Int): List<GridCell?> { |
| | | if (scale <= 0) throw IllegalArgumentException("网格拆分的数量不能小于1") |
| | |
| | | val p2 = p.point2Lon to p.point2Lat |
| | | val p3 = p.point3Lon to p.point3Lat |
| | | val p4 = p.point4Lon to p.point4Lat |
| | | // p1、p3的经纬度单位差值 |
| | | val dx1 = (p3.first - p1.first) / scale.toBigDecimal() |
| | | val dy1 = (p3.second - p1.second) / scale.toBigDecimal() |
| | | // p1、p4的经纬度单位差值 |
| | | val dx1 = (p4.first - p1.first) / scale.toBigDecimal() |
| | | val dy1 = (p4.second - p1.second) / scale.toBigDecimal() |
| | | // p1、p2的经纬度单位差值 |
| | | val dx2 = (p2.first - p1.first) / scale.toBigDecimal() |
| | | val dy2 = (p2.second - p1.second) / scale.toBigDecimal() |
| | | // p3、p4的经纬度单位差值 |
| | | val dx3 = (p4.first - p3.first) / scale.toBigDecimal() |
| | | val dy3 = (p4.second - p3.second) / scale.toBigDecimal() |
| | | // p4、p3的经纬度单位差值 |
| | | val dx3 = (p3.first - p4.first) / scale.toBigDecimal() |
| | | val dy3 = (p3.second - p4.second) / scale.toBigDecimal() |
| | | // 中心点和p1的经纬度单位差值 |
| | | val dxC = (p.longitude - p1.first) / scale.toBigDecimal() |
| | | val dyC = (p.latitude - p1.second) / scale.toBigDecimal() |
| | |
| | | newGridCell1.point1Lon = g.point1Lon + dx1 * row.toBigDecimal() |
| | | newGridCell1.point1Lat = g.point1Lat + dy1 * row.toBigDecimal() |
| | | // 左下角顶点根据所在行数在原始网格顶点基础上增加偏移量(比左上角顶点多一个偏移) |
| | | newGridCell1.point3Lon = g.point1Lon + dx1 * (row + 1).toBigDecimal() |
| | | newGridCell1.point3Lat = g.point1Lat + dy1 * (row + 1).toBigDecimal() |
| | | newGridCell1.point4Lon = g.point1Lon + dx1 * (row + 1).toBigDecimal() |
| | | newGridCell1.point4Lat = g.point1Lat + dy1 * (row + 1).toBigDecimal() |
| | | // 右上角顶点在细分网格左上角的基础上增加相应的偏移量 |
| | | newGridCell1.point2Lon = newGridCell1.point1Lon + dx2 |
| | | newGridCell1.point2Lat = newGridCell1.point1Lat + dy2 |
| | | // 右下角顶点在细分网格左下角的基础上增加相应的偏移量 |
| | | newGridCell1.point4Lon = newGridCell1.point3Lon + dx3 |
| | | newGridCell1.point4Lat = newGridCell1.point3Lat + dy3 |
| | | newGridCell1.point3Lon = newGridCell1.point4Lon + dx3 |
| | | newGridCell1.point3Lat = newGridCell1.point4Lat + dy3 |
| | | // 中心点在细分网格左上角的基础上增加固定偏移量 |
| | | newGridCell1.longitude = newGridCell1.point1Lon + dxC |
| | | newGridCell1.latitude = newGridCell1.point1Lat + dyC |
| | |
| | | return newGridCellList |
| | | } |
| | | |
| | | /** |
| | | * 拆分数据,将原始卫星网格遥测数据映射到对应细分网格上 |
| | | * @date 2025.2.7 |
| | | * @param subGridCellList 细分网格 |
| | | * @param subGridData 细分网格对应的数据索引 |
| | | * @param originGridDataDetailList 细分网格所属网格的原始网格数据 |
| | | * @return 映射后的细分网格遥测数据 |
| | | */ |
| | | fun splitData( |
| | | subGridCellList: List<GridCell?>, subGridData: GridData, originGridDataDetailList: List<GridDataDetail?> |
| | | ): List<GridDataDetail> { |
| | | if (subGridCellList.isEmpty() || originGridDataDetailList.isEmpty()) return emptyList() |
| | | |
| | | val result = mutableListOf<GridDataDetail>() |
| | | |
| | | // 将细分网格按照父网格id和自身网格id进行升序排列 |
| | | val _subGridCellList = subGridCellList.sortedWith(Comparator { o1, o2 -> |
| | | if (o1 == null && o2 == null) { |
| | | return@Comparator 0 |
| | | } else if (o1 == null) { |
| | | return@Comparator -1 |
| | | } else if (o2 == null) { |
| | | return@Comparator 1 |
| | | } else { |
| | | if (o1.fatherCellIndex == o2.fatherCellIndex) { |
| | | return@Comparator o1.cellIndex - o2.cellIndex |
| | | } else { |
| | | return@Comparator o1.fatherCellIndex - o2.fatherCellIndex |
| | | } |
| | | } |
| | | }) |
| | | |
| | | // 将原始网格数据按照网格id升序排列 |
| | | val _originGridDataDetailIterator = originGridDataDetailList.sortedBy { it?.cellId }.iterator() |
| | | var fatherGridData = _originGridDataDetailIterator.next() |
| | | |
| | | // 遍历细分网格,为每个细分网格生成一条网格数据 |
| | | _subGridCellList.forEach { |
| | | while (fatherGridData?.cellId != it?.fatherCellIndex && _originGridDataDetailIterator.hasNext()) { |
| | | fatherGridData = _originGridDataDetailIterator.next() |
| | | } |
| | | val subGridDataDetail = GridDataDetail().apply { |
| | | dataId = subGridData.id |
| | | groupId = it?.groupId |
| | | cellId = it?.cellIndex |
| | | pm25 = fatherGridData?.pm25 |
| | | rank = fatherGridData?.rank |
| | | } |
| | | |
| | | result.add(subGridDataDetail) |
| | | } |
| | | |
| | | return result |
| | | } |
| | | |
| | | /** |
| | | * 走航数据和卫星网格融合 |
| | | * 数据融合采用均值方式统计(暂时) |
| | | * @date 2025.2.7 |
| | | * @param realTimeDataList 待融合的走航监测数据 |
| | | * @param gridData 融合后的数据组索引 |
| | | * @param gridCellList 待融合的卫星网格 |
| | | * @return 融合后的网格监测数据 |
| | | */ |
| | | fun dataFusion( |
| | | realTimeDataList: List<BaseRealTimeData>, |
| | | gridData: GridData?, |
| | | gridCellList: List<GridCell?>, |
| | | ): List<GridDataDetail> { |
| | | // 遍历走航监测数据,计算每个点所在网格 |
| | | val dataMap = mutableMapOf<GridCell, MutableList<BaseRealTimeData>>() |
| | | realTimeDataList.forEach { |
| | | if (it.longitude == null || it.latitude == null) return@forEach |
| | | |
| | | searchGirdIn(it.longitude!!.toDouble() to it.latitude!!.toDouble(), gridCellList)?.let { cell -> |
| | | if (!dataMap.containsKey(cell)) { |
| | | dataMap[cell] = mutableListOf() |
| | | } |
| | | dataMap[cell]?.add(it) |
| | | } |
| | | } |
| | | |
| | | // 统计每个网格中的均值 |
| | | // Fixme 2025.2.20 暂时默认以均值方式统计,后续调整为多种方式并支持用户选择 |
| | | val gridDataDetailList = mutableListOf<GridDataDetail>() |
| | | dataMap.forEach { (k, v) -> |
| | | val avgData = v.avg() |
| | | val dataDetail = GridDataDetail().apply { |
| | | dataId = gridData?.id |
| | | groupId = k.groupId |
| | | cellId = k.cellIndex |
| | | pm25 = avgData.pm25 |
| | | rank |
| | | } |
| | | gridDataDetailList.add(dataDetail) |
| | | } |
| | | |
| | | gridDataDetailList.sortBy { it.pm25 } |
| | | gridDataDetailList.forEachIndexed { index, d -> |
| | | d.rank = index + 1 |
| | | } |
| | | gridDataDetailList.sortBy { it.cellId } |
| | | |
| | | return gridDataDetailList |
| | | } |
| | | |
| | | /** |
| | | * 计算坐标点在哪个卫星网格内 |
| | | * @date 2025.2.14 |
| | | * @param point 坐标点 |
| | | * @param gridCellList 卫星网格 |
| | | */ |
| | | fun searchGirdIn(point: Pair<Double, Double>, gridCellList: List<GridCell?>): GridCell? { |
| | | for (i in gridCellList.indices) { |
| | | val gridCell = gridCellList[i] ?: continue |
| | | val polygon = listOf( |
| | | gridCell.point1Lon.toDouble() to gridCell.point1Lat.toDouble(), |
| | | gridCell.point2Lon.toDouble() to gridCell.point2Lat.toDouble(), |
| | | gridCell.point3Lon.toDouble() to gridCell.point3Lat.toDouble(), |
| | | gridCell.point4Lon.toDouble() to gridCell.point4Lat.toDouble(), |
| | | ) |
| | | if (MapUtil.isPointInPolygon(point, polygon)) { |
| | | return gridCell |
| | | } |
| | | } |
| | | |
| | | return null |
| | | } |
| | | |
| | | } |