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Merge branch 'master' of https://gitlab.navinfo.com/CollectVehicle/OneMapQS

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qiji4215
2023-04-21 17:20:54 +08:00
parent 8e4f8459d5 f2ac094aa9
commit 51bd47842a
5 changed files with 132 additions and 8 deletions
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112
app/src/main/java/com/navinfo/omqs/db/RealmOperateHelper.kt
View File

@@ -15,6 +15,7 @@ import org.locationtech.spatial4j.distance.DistanceUtils
import org.oscim.core.GeoPoint
import org.oscim.core.MercatorProjection
import javax.inject.Inject
import kotlin.streams.toList
class RealmOperateHelper() {
@@ -25,29 +26,126 @@ class RealmOperateHelper() {
* @param point 点位经纬度信息
* @param buffer 点位的外扩距离
* @param bufferType 点位外扩距离的单位： 米-Meter，像素-PIXEL
* @param order 是否需要排序
* @param sort 是否需要排序
* */
suspend fun queryLink(point: Point, buffer: Double = DEFAULT_BUFFER, bufferType: BUFFER_TYPE = DEFAULT_BUFFER_TYPE, order: Boolean = false): MutableList<RenderEntity> {
suspend fun queryLink(point: Point, buffer: Double = DEFAULT_BUFFER, bufferType: BUFFER_TYPE = DEFAULT_BUFFER_TYPE, sort: Boolean = false): MutableList<RenderEntity> {
val result = mutableListOf<RenderEntity>()
withContext(Dispatchers.IO) {
val polygon = getPolygonFromPoint(point, buffer, bufferType)
// 根据polygon查询相交的tile号
val tileXSet = mutableSetOf<Int>()
tileXSet.toString()
GeometryToolsKt.getTileXByGeometry(polygon.toString(), tileXSet)
val tileYSet = mutableSetOf<Int>()
GeometryToolsKt.getTileYByGeometry(polygon.toString(), tileYSet)
// 对tileXSet和tileYSet查询最大最小值
val xStart = tileXSet.stream().min(Comparator.naturalOrder()).orElse(null)
val xEnd = tileXSet.stream().max(Comparator.naturalOrder()).orElse(null)
val yStart = tileYSet.stream().min(Comparator.naturalOrder()).orElse(null)
val yEnd = tileYSet.stream().max(Comparator.naturalOrder()).orElse(null)
// 查询realm中对应tile号的数据
Realm.getDefaultInstance().where(RenderEntity::class.java).equalTo("table", "HAD_LINK")
val realmList = Realm.getDefaultInstance().where(RenderEntity::class.java)
.equalTo("table", "HAD_LINK")
.and()
.rawPredicate("tileX>=$xStart and tileX<=$xEnd and tileY>=$yStart and tileY<=$yEnd")
.findAll()
// 将获取到的数据和查询的polygon做相交，只返回相交的数据
val queryResult = realmList?.stream()?.filter {
polygon.intersects(it.wkt)
}?.toList()
queryResult?.let {
result.addAll(queryResult)
}
if (sort) {
result.clear()
result.addAll(sortRenderEntity(point, result))
}
}
return mutableListOf()
return result
}
/**
* 根据当前点位查询匹配的除Link外的其他要素数据
* @param point 点位经纬度信息
* @param buffer 点位的外扩距离
* @param bufferType 点位外扩距离的单位： 米-Meter，像素-PIXEL
* @param sort 是否需要排序
* */
suspend fun queryElement(point: Point, buffer: Double = DEFAULT_BUFFER, bufferType: BUFFER_TYPE = DEFAULT_BUFFER_TYPE, sort: Boolean = false): MutableList<RenderEntity> {
val result = mutableListOf<RenderEntity>()
withContext(Dispatchers.IO) {
val polygon = getPolygonFromPoint(point, buffer, bufferType)
// 根据polygon查询相交的tile号
val tileXSet = mutableSetOf<Int>()
tileXSet.toString()
GeometryToolsKt.getTileXByGeometry(polygon.toString(), tileXSet)
val tileYSet = mutableSetOf<Int>()
GeometryToolsKt.getTileYByGeometry(polygon.toString(), tileYSet)
// 对tileXSet和tileYSet查询最大最小值
val xStart = tileXSet.stream().min(Comparator.naturalOrder()).orElse(null)
val xEnd = tileXSet.stream().max(Comparator.naturalOrder()).orElse(null)
val yStart = tileYSet.stream().min(Comparator.naturalOrder()).orElse(null)
val yEnd = tileYSet.stream().max(Comparator.naturalOrder()).orElse(null)
// 查询realm中对应tile号的数据
val realmList = Realm.getDefaultInstance().where(RenderEntity::class.java)
.notEqualTo("table", "HAD_LINK")
.and()
.rawPredicate("tileX>=$xStart and tileX<=$xEnd and tileY>=$yStart and tileY<=$yEnd")
.findAll()
// 将获取到的数据和查询的polygon做相交，只返回相交的数据
val queryResult = realmList?.stream()?.filter {
polygon.intersects(it.wkt)
}?.toList()
queryResult?.let {
result.addAll(queryResult)
}
if (sort) {
result.clear()
result.addAll(sortRenderEntity(point, result))
}
}
return result
}
/**
* 根据linkPid查询关联的要素（除去Link数据）
* @param point 点位经纬度信息
* @param buffer 点位的外扩距离
* @param bufferType 点位外扩距离的单位： 米-Meter，像素-PIXEL
* @param sort 是否需要排序
* */
suspend fun queryLinkByLinkPid(linkPid: String): MutableList<RenderEntity> {
val result = mutableListOf<RenderEntity>()
withContext(Dispatchers.IO) {
val realmList = Realm.getDefaultInstance().where(RenderEntity::class.java)
.notEqualTo("table", "HAD_LINK")
.and()
.equalTo("properties['LINK_PID']", linkPid)
.findAll()
result.addAll(realmList)
}
return result
}
/**
* 根据给定的点位对数据排序
* @param point 点位经纬度信息
* @param unSortList 未排序的数据
* @return 排序后的数据
* */
fun sortRenderEntity(point: Point, unSortList: MutableList<RenderEntity>): List<RenderEntity> {
val sortList = unSortList.stream().sorted { renderEntity, renderEntity2 ->
val near = point.distance(renderEntity.wkt) - point.distance(renderEntity2.wkt)
if (near<0) -1 else 1
}.toList()
return sortList
}
private fun getPolygonFromPoint(point: Point, buffer: Double = DEFAULT_BUFFER, bufferType: BUFFER_TYPE = DEFAULT_BUFFER_TYPE): Polygon {
// 首先计算当前点位的buffer组成的geometry
val wkt: Polygon = if (bufferType == BUFFER_TYPE.METER) { // 如果单位是米
// 计算米和地球角度之间的关系，在Spatial4J中，经度和纬度的单位是度，而不是米。因此，将距离从米转换为度需要使用一个转换因子，这个转换因子是由地球的周长和360度之间的比例计算得出的。
// 在这个例子中，使用的转换因子是111000.0，这是因为地球的周长约为40075公里，而每个经度的距离大约是地球周长的1/360，因此每个经度的距离约为111.32公里
val distanceDegrees = DistanceUtils.dist2Degrees(buffer, DistanceUtils.EARTH_MEAN_RADIUS_KM) * 111000.0
val distanceDegrees = GeometryTools.convertDistanceToDegree(buffer, point.y)
// 计算外扩矩形
BufferOp.bufferOp(point, distanceDegrees) as Polygon
} else { // 如果单位是像素，需要根据当前屏幕像素计算出经纬度变化

4
app/src/main/java/com/navinfo/omqs/ui/fragment/personalcenter/PersonalCenterViewModel.kt
View File

@@ -224,7 +224,9 @@ class PersonalCenterViewModel @Inject constructor(
fun readRealmData() {
viewModelScope.launch(Dispatchers.IO) {
realmOperateHelper.queryLink(GeometryTools.createPoint(115.685817,28.62759))
// val result = realmOperateHelper.queryLink(GeometryTools.createPoint(115.685817,28.62759))
val result = realmOperateHelper.queryLinkByLinkPid("84206617008217069")
Log.d("xiaoyan", result.toString())
}
}
}