提交1 bmad搭建与项目启动 - ok
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273
src/lib/geoFenceTestData.ts
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273
src/lib/geoFenceTestData.ts
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import { GeoFence, GeoFenceAlert } from '../types/equipment';
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/**
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* 生成测试用的电子围栏数据
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*/
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export function generateTestGeoFences(machineryIds: string[]): GeoFence[] {
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const now = new Date().toISOString();
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return [
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// 矩形作业区
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{
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id: 'fence-test-1',
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name: '1号作业区',
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type: 'polygon',
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points: [
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{ latitude: 36.6512, longitude: 117.1201 },
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{ latitude: 36.6532, longitude: 117.1201 },
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{ latitude: 36.6532, longitude: 117.1251 },
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{ latitude: 36.6512, longitude: 117.1251 },
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],
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machineryIds: machineryIds.slice(0, 2),
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alertOnExit: true,
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alertOnEnter: false,
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countWorkHours: true,
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enabled: true,
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createdAt: now,
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updatedAt: now,
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createdBy: '系统管理员',
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},
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// 圆形禁入区
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{
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id: 'fence-test-2',
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name: '东侧水塘禁入区',
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type: 'circle',
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center: { latitude: 36.6500, longitude: 117.1200 },
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radius: 200,
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machineryIds: machineryIds,
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alertOnExit: false,
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alertOnEnter: true,
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countWorkHours: false,
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enabled: true,
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createdAt: now,
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updatedAt: now,
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createdBy: '系统管理员',
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},
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// 大型多边形作业区
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{
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id: 'fence-test-3',
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name: '2号地块-西区',
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type: 'polygon',
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points: [
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{ latitude: 36.6480, longitude: 117.1150 },
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{ latitude: 36.6500, longitude: 117.1150 },
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{ latitude: 36.6510, longitude: 117.1180 },
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{ latitude: 36.6500, longitude: 117.1200 },
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{ latitude: 36.6480, longitude: 117.1190 },
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],
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machineryIds: machineryIds.slice(0, 1),
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alertOnExit: true,
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alertOnEnter: false,
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countWorkHours: true,
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enabled: true,
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createdAt: now,
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updatedAt: now,
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createdBy: '系统管理员',
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},
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// 休息区（圆形）
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{
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id: 'fence-test-4',
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name: '农机停放区',
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type: 'circle',
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center: { latitude: 36.6550, longitude: 117.1100 },
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radius: 100,
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machineryIds: machineryIds,
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alertOnExit: false,
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alertOnEnter: false,
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countWorkHours: false,
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enabled: true,
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createdAt: now,
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updatedAt: now,
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createdBy: '系统管理员',
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},
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];
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}
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/**
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* 生成测试用的围栏报警数据
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*/
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export function generateTestGeoFenceAlerts(
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fences: GeoFence[],
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machineryData: { id: string; name: string }[]
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): GeoFenceAlert[] {
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const alerts: GeoFenceAlert[] = [];
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// 生成一些历史报警
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if (fences.length > 0 && machineryData.length > 0) {
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const fence1 = fences[0];
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const machinery1 = machineryData[0];
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alerts.push({
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id: 'alert-test-1',
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fenceId: fence1.id,
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fenceName: fence1.name,
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machineryId: machinery1.id,
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machineryName: machinery1.name,
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alertType: 'exit',
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location: { latitude: 36.6510, longitude: 117.1252 },
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alertedAt: new Date(Date.now() - 2 * 60 * 60 * 1000).toISOString(), // 2小时前
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acknowledged: false,
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});
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}
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if (fences.length > 1 && machineryData.length > 1) {
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const fence2 = fences[1];
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const machinery2 = machineryData[1];
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alerts.push({
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id: 'alert-test-2',
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fenceId: fence2.id,
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fenceName: fence2.name,
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machineryId: machinery2.id,
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machineryName: machinery2.name,
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alertType: 'enter',
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location: { latitude: 36.6501, longitude: 117.1201 },
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alertedAt: new Date(Date.now() - 30 * 60 * 1000).toISOString(), // 30分钟前
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acknowledged: true,
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acknowledgedBy: '值班员张三',
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acknowledgedAt: new Date(Date.now() - 25 * 60 * 1000).toISOString(),
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});
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}
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return alerts;
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}
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/**
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* 验证围栏坐标是否有效
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*/
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export function validateGeoFence(fence: Partial<GeoFence>): { valid: boolean; errors: string[] } {
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const errors: string[] = [];
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if (!fence.name || fence.name.trim() === '') {
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errors.push('围栏名称不能为空');
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}
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if (!fence.type) {
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errors.push('必须选择围栏类型');
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}
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if (fence.type === 'circle') {
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if (!fence.center) {
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errors.push('圆形围栏必须设置中心点');
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} else {
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if (!isValidLatitude(fence.center.latitude)) {
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errors.push('中心点纬度无效（应在-90到90之间）');
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}
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if (!isValidLongitude(fence.center.longitude)) {
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errors.push('中心点经度无效（应在-180到180之间）');
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}
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}
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if (!fence.radius || fence.radius <= 0) {
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errors.push('圆形围栏半径必须大于0');
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}
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}
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if (fence.type === 'polygon') {
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if (!fence.points || fence.points.length < 3) {
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errors.push('多边形围栏至少需要3个顶点');
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} else {
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fence.points.forEach((point, index) => {
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if (!isValidLatitude(point.latitude)) {
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errors.push(`顶点${index + 1}的纬度无效`);
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}
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if (!isValidLongitude(point.longitude)) {
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errors.push(`顶点${index + 1}的经度无效`);
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}
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});
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}
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}
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if (!fence.machineryIds || fence.machineryIds.length === 0) {
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errors.push('必须至少关联一台农机');
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}
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if (!fence.alertOnEnter && !fence.alertOnExit) {
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errors.push('建议至少启用一种报警方式（进入或离开）');
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}
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return {
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valid: errors.length === 0,
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errors,
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};
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}
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/**
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* 验证纬度是否有效
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*/
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function isValidLatitude(lat: number): boolean {
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return !isNaN(lat) && lat >= -90 && lat <= 90;
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}
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/**
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* 验证经度是否有效
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*/
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function isValidLongitude(lng: number): boolean {
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return !isNaN(lng) && lng >= -180 && lng <= 180;
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}
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/**
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* 计算两点之间的距离（米）
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* 使用 Haversine 公式
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*/
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export function calculateDistance(
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point1: { latitude: number; longitude: number },
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point2: { latitude: number; longitude: number }
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): number {
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const R = 6371000; // 地球半径，米
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const lat1 = (point1.latitude * Math.PI) / 180;
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const lat2 = (point2.latitude * Math.PI) / 180;
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const deltaLat = ((point2.latitude - point1.latitude) * Math.PI) / 180;
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const deltaLng = ((point2.longitude - point1.longitude) * Math.PI) / 180;
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const a =
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Math.sin(deltaLat / 2) * Math.sin(deltaLat / 2) +
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Math.cos(lat1) * Math.cos(lat2) * Math.sin(deltaLng / 2) * Math.sin(deltaLng / 2);
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const c = 2 * Math.atan2(Math.sqrt(a), Math.sqrt(1 - a));
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return R * c;
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}
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/**
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* 判断点是否在圆形围栏内
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*/
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export function isPointInCircle(
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point: { latitude: number; longitude: number },
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center: { latitude: number; longitude: number },
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radius: number
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): boolean {
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const distance = calculateDistance(point, center);
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return distance <= radius;
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}
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/**
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* 判断点是否在多边形围栏内
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* 使用射线法（Ray Casting Algorithm）
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*/
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export function isPointInPolygon(
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point: { latitude: number; longitude: number },
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polygon: { latitude: number; longitude: number }[]
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): boolean {
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let inside = false;
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const x = point.longitude;
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const y = point.latitude;
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for (let i = 0, j = polygon.length - 1; i < polygon.length; j = i++) {
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const xi = polygon[i].longitude;
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const yi = polygon[i].latitude;
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const xj = polygon[j].longitude;
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const yj = polygon[j].latitude;
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const intersect = yi > y !== yj > y && x < ((xj - xi) * (y - yi)) / (yj - yi) + xi;
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if (intersect) {
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inside = !inside;
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}
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}
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return inside;
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}
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