573 lines
23 KiB
TypeScript
573 lines
23 KiB
TypeScript
import { useEffect, useRef } from "react";
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import {
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Cartesian2,
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Cartesian3,
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BingMapsImageryProvider,
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BingMapsStyle,
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Color,
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Credit,
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Cesium3DTileset,
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Cesium3DTileStyle,
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CesiumTerrainProvider,
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CustomDataSource,
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DefaultProxy,
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DistanceDisplayCondition,
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EllipsoidTerrainProvider,
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Entity,
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HeadingPitchRange,
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ImageryLayer,
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JulianDate,
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Matrix4,
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Math as CesiumMath,
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PolygonHierarchy,
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Resource,
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ScreenSpaceEventHandler,
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ScreenSpaceEventType,
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SunLight,
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Viewer,
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} from "cesium";
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import "cesium/Build/Cesium/Widgets/widgets.css";
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import sceneFixture from "../../../registry/fixtures/map/map-operational-v0.1.json";
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type Position = [number, number, number?];
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type RuntimeConfig = {
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cesiumVersion: string;
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provider: string;
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ionReady: boolean;
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gatewayReady: boolean;
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osmBuildingsReady: boolean;
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gaussianSplatsReady: boolean;
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gaussianAssetId?: string | null;
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assetEndpointBase: string;
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resourceProxyBase?: string | null;
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gatewayHealthUrl?: string | null;
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};
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export type MapGatewayHealth = {
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cache?: { mode?: string; entries?: number; bytes?: number; maxBytes?: number; persistent?: boolean };
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ionConfigured?: boolean;
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};
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type IonAssetEndpoint = {
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assetId: string;
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type: "TERRAIN" | "3DTILES" | "IMAGERY";
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url?: string;
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accessToken?: string;
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externalType?: "BING";
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options?: { url?: string; key?: string; mapStyle?: string };
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attributions: Array<{ html?: string; collapsible?: boolean }>;
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};
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export type MapPresentation = {
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imagerySource: "cesium-live";
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imageryVisible: boolean;
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cacheEnabled: boolean;
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terrainEnabled: boolean;
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terrainExaggeration: number;
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monochrome: boolean;
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monochromeColor: string;
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imageryGamma: number;
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imageryHue: number;
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imageryAlpha: number;
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globeColor: string;
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backgroundColor: string;
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atmosphereEnabled: boolean;
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atmosphereHue: number;
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atmosphereSaturation: number;
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atmosphereBrightness: number;
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fogEnabled: boolean;
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fogDensity: number;
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sunEnabled: boolean;
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sunHour: number;
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sunIntensity: number;
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shadowsEnabled: boolean;
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buildingsVisible: boolean;
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buildingsColor: string;
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buildingsOpacity: number;
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buildingsDetail: number;
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imageryBrightness: number;
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imageryContrast: number;
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imagerySaturation: number;
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gridVisible: boolean;
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gridLodEnabled: boolean;
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gridHeightMeters: number;
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gridLod1MaxHeightKm: number;
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gridLod1StepKm: number;
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gridLod2MaxHeightKm: number;
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gridLod2StepKm: number;
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gridLod3StepKm: number;
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gridRadiusKm: number;
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gridLineWidth: number;
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gridColor: string;
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gridOpacity: number;
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gridDotsEnabled: boolean;
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gridDotsSize: number;
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gridDotsColor: string;
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gridDotsOpacity: number;
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cacheRefresh: boolean;
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};
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export type MapCameraView = {
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longitude: number;
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latitude: number;
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height: number;
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heading: number;
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pitch: number;
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roll: number;
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};
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const toCartesian = ([longitude, latitude, height = 0]: Position) => Cartesian3.fromDegrees(longitude, latitude, height);
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const toCartesianArray = (positions: Position[]) => positions.map(toCartesian);
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const accent = Color.fromCssColorString("#ff2f92");
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const violet = Color.fromCssColorString("#8f72dc");
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const clamp = (value: number, minimum: number, maximum: number) => Math.max(minimum, Math.min(maximum, value));
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function getCameraView(viewer: Viewer): MapCameraView {
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const position = viewer.camera.positionCartographic;
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return {
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longitude: CesiumMath.toDegrees(position.longitude),
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latitude: CesiumMath.toDegrees(position.latitude),
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height: position.height,
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heading: viewer.camera.heading,
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pitch: viewer.camera.pitch,
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roll: viewer.camera.roll,
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};
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}
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function addFixtureEntities(viewer: Viewer) {
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for (const place of sceneFixture.scene.places) {
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viewer.entities.add({
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id: place.id,
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position: toCartesian(place.position as Position),
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label: {
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text: place.label.text,
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font: "700 28px Arial",
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fillColor: Color.WHITE,
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outlineColor: Color.BLACK.withAlpha(0.8),
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outlineWidth: 4,
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style: 2,
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distanceDisplayCondition: new DistanceDisplayCondition(100_000, 50_000_000),
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},
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});
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}
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for (const route of sceneFixture.scene.routes) {
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viewer.entities.add({
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id: route.id,
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polyline: {
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positions: toCartesianArray(route.coordinates as Position[]),
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width: 4,
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material: accent.withAlpha(0.92),
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clampToGround: true,
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},
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});
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}
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for (const track of sceneFixture.scene.tracks) {
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viewer.entities.add({
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id: track.id,
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polyline: {
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positions: toCartesianArray(track.coordinates as Position[]),
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width: 2,
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material: violet.withAlpha(0.88),
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clampToGround: true,
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},
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});
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}
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for (const zone of sceneFixture.scene.zones) {
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const ring = zone.geometry.type === "Polygon" ? zone.geometry.coordinates[0] : zone.geometry.coordinates[0][0];
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viewer.entities.add({
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id: zone.id,
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polygon: {
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hierarchy: new PolygonHierarchy(toCartesianArray(ring as Position[])),
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material: accent.withAlpha(0.2),
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},
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});
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viewer.entities.add({
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id: `${zone.id}:boundary`,
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polyline: {
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positions: toCartesianArray(ring as Position[]),
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width: 2,
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material: accent.withAlpha(0.78),
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clampToGround: true,
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},
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});
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}
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for (const object of sceneFixture.scene.movingObjects) {
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if (object.trace) {
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viewer.entities.add({
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id: `${object.id}:trace`,
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polyline: {
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positions: toCartesianArray(object.trace as Position[]),
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width: 2,
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material: accent.withAlpha(0.52),
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clampToGround: true,
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},
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});
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}
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viewer.entities.add({
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id: object.id,
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position: toCartesian(object.position as Position),
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point: { pixelSize: 18, color: accent, outlineColor: Color.WHITE, outlineWidth: 3 },
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label: {
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text: object.label.text,
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font: "700 13px Arial",
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fillColor: Color.WHITE,
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showBackground: true,
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backgroundColor: Color.BLACK.withAlpha(0.72),
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backgroundPadding: new Cartesian2(10, 7),
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pixelOffset: new Cartesian2(0, -31),
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},
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});
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}
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for (const station of sceneFixture.scene.stations) {
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viewer.entities.add({
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id: station.id,
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position: toCartesian(station.position as Position),
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point: { pixelSize: station.stationType === "metro" ? 21 : 18, color: violet, outlineColor: Color.WHITE, outlineWidth: 3 },
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label: {
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text: station.label.text,
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font: "700 14px Arial",
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fillColor: Color.WHITE,
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showBackground: true,
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backgroundColor: Color.BLACK.withAlpha(0.72),
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backgroundPadding: new Cartesian2(10, 7),
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pixelOffset: new Cartesian2(0, -33),
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},
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});
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}
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}
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function rebuildElevatedGrid(viewer: Viewer, dataSource: CustomDataSource, presentation: MapPresentation) {
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const entities = dataSource.entities;
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entities.removeAll();
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if (!presentation.gridVisible) return;
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const cameraHeightKm = Math.max(0, Number(viewer.camera.positionCartographic?.height || 0) / 1000);
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const stepKm = !presentation.gridLodEnabled || cameraHeightKm <= presentation.gridLod1MaxHeightKm
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? presentation.gridLod1StepKm
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: cameraHeightKm <= presentation.gridLod2MaxHeightKm
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? presentation.gridLod2StepKm
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: presentation.gridLod3StepKm;
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const safeStepKm = clamp(stepKm, 0.25, 100);
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const safeRadiusKm = clamp(presentation.gridRadiusKm, safeStepKm, 150);
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const stepsPerSide = Math.min(32, Math.max(1, Math.floor(safeRadiusKm / safeStepKm)));
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const center = sceneFixture.viewport.center as Position;
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const latitude = center[1];
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const longitude = center[0];
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const metersPerLatitudeDegree = 110_574;
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const metersPerLongitudeDegree = Math.max(1, 111_320 * Math.cos(CesiumMath.toRadians(latitude)));
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const stepMeters = safeStepKm * 1000;
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const radiusMeters = stepsPerSide * stepMeters;
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const deltaLatitude = stepMeters / metersPerLatitudeDegree;
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const deltaLongitude = stepMeters / metersPerLongitudeDegree;
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const radiusLatitude = radiusMeters / metersPerLatitudeDegree;
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const radiusLongitude = radiusMeters / metersPerLongitudeDegree;
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const lineColor = Color.fromCssColorString(presentation.gridColor).withAlpha(clamp(presentation.gridOpacity / 100, 0, 1));
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const dotColor = Color.fromCssColorString(presentation.gridDotsColor).withAlpha(clamp(presentation.gridDotsOpacity / 100, 0, 1));
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const elevation = Math.max(0, presentation.gridHeightMeters);
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for (let index = -stepsPerSide; index <= stepsPerSide; index += 1) {
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const nextLatitude = latitude + index * deltaLatitude;
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const nextLongitude = longitude + index * deltaLongitude;
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entities.add({
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polyline: {
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positions: [
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Cartesian3.fromDegrees(longitude - radiusLongitude, nextLatitude, elevation),
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Cartesian3.fromDegrees(longitude + radiusLongitude, nextLatitude, elevation),
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],
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width: clamp(presentation.gridLineWidth, 1, 8),
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material: lineColor,
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},
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});
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entities.add({
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polyline: {
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positions: [
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Cartesian3.fromDegrees(nextLongitude, latitude - radiusLatitude, elevation),
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Cartesian3.fromDegrees(nextLongitude, latitude + radiusLatitude, elevation),
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],
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width: clamp(presentation.gridLineWidth, 1, 8),
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material: lineColor,
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},
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});
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}
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if (!presentation.gridDotsEnabled) return;
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const dotStride = Math.max(1, Math.ceil((stepsPerSide * 2 + 1) / 25));
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for (let row = -stepsPerSide; row <= stepsPerSide; row += dotStride) {
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for (let column = -stepsPerSide; column <= stepsPerSide; column += dotStride) {
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entities.add({
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position: Cartesian3.fromDegrees(longitude + column * deltaLongitude, latitude + row * deltaLatitude, elevation),
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point: {
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pixelSize: clamp(presentation.gridDotsSize, 2, 28),
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color: dotColor,
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disableDepthTestDistance: Number.POSITIVE_INFINITY,
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},
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});
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}
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}
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}
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function applyPresentation(
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viewer: Viewer,
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imageryLayer: ImageryLayer | null,
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buildings: Cesium3DTileset | null,
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terrain: { world: CesiumTerrainProvider | null; ellipsoid: EllipsoidTerrainProvider },
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presentation: MapPresentation,
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) {
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if (imageryLayer) {
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imageryLayer.show = presentation.imageryVisible && !presentation.monochrome;
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imageryLayer.brightness = presentation.imageryBrightness / 100;
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imageryLayer.contrast = presentation.imageryContrast / 100;
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imageryLayer.saturation = presentation.imagerySaturation / 100;
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imageryLayer.gamma = presentation.imageryGamma / 100;
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imageryLayer.hue = CesiumMath.toRadians(presentation.imageryHue);
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imageryLayer.alpha = presentation.imageryAlpha / 100;
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}
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if (buildings) {
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buildings.show = presentation.buildingsVisible;
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buildings.maximumScreenSpaceError = presentation.buildingsDetail;
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buildings.style = new Cesium3DTileStyle({
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color: `color('${presentation.buildingsColor}', ${presentation.buildingsOpacity})`,
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});
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}
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viewer.terrainProvider = presentation.terrainEnabled && terrain.world ? terrain.world : terrain.ellipsoid;
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viewer.scene.globe.show = true;
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viewer.scene.globe.baseColor = Color.fromCssColorString(presentation.monochrome ? presentation.monochromeColor : presentation.globeColor);
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viewer.scene.globe.enableLighting = presentation.sunEnabled;
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(viewer.scene as unknown as { verticalExaggeration?: number }).verticalExaggeration = clamp(presentation.terrainExaggeration, 0.25, 3);
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viewer.scene.backgroundColor = Color.fromCssColorString(presentation.backgroundColor);
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viewer.scene.fog.enabled = presentation.fogEnabled;
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viewer.scene.fog.density = clamp(presentation.fogDensity / 10_000, 0, 0.01);
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const atmosphere = viewer.scene.skyAtmosphere;
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if (atmosphere) {
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atmosphere.show = presentation.atmosphereEnabled;
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atmosphere.hueShift = clamp(presentation.atmosphereHue / 100, -1, 1);
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atmosphere.saturationShift = clamp(presentation.atmosphereSaturation / 100, -1, 1);
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atmosphere.brightnessShift = clamp(presentation.atmosphereBrightness / 100, -1, 1);
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}
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viewer.shadows = presentation.shadowsEnabled;
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const sunDate = JulianDate.toDate(JulianDate.now());
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sunDate.setUTCHours(clamp(Math.round(presentation.sunHour), 0, 24), 0, 0, 0);
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viewer.clock.currentTime = JulianDate.fromDate(sunDate);
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viewer.clock.shouldAnimate = false;
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const sun = new SunLight();
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(sun as unknown as { intensity?: number }).intensity = clamp(presentation.sunIntensity / 100, 0, 2);
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viewer.scene.light = sun;
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viewer.scene.requestRender();
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}
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export function CesiumMapRenderer({
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onSelect,
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onGatewayHealth,
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onCameraChange,
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initialCamera,
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presentation,
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}: {
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onSelect?: (entityId: string) => void;
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onGatewayHealth?: (health: MapGatewayHealth | null) => void;
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onCameraChange?: (camera: MapCameraView) => void;
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initialCamera?: MapCameraView;
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presentation: MapPresentation;
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}) {
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const containerRef = useRef<HTMLDivElement>(null);
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const creditContainerRef = useRef<HTMLDivElement>(null);
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const viewerRef = useRef<Viewer | null>(null);
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const imageryLayerRef = useRef<ImageryLayer | null>(null);
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const buildingsRef = useRef<Cesium3DTileset | null>(null);
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const terrainRef = useRef<{ world: CesiumTerrainProvider | null; ellipsoid: EllipsoidTerrainProvider } | null>(null);
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const rebuildGridRef = useRef<(() => void) | null>(null);
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const presentationRef = useRef(presentation);
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const onCameraChangeRef = useRef(onCameraChange);
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useEffect(() => {
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onCameraChangeRef.current = onCameraChange;
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}, [onCameraChange]);
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useEffect(() => {
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presentationRef.current = presentation;
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if (viewerRef.current && terrainRef.current) applyPresentation(viewerRef.current, imageryLayerRef.current, buildingsRef.current, terrainRef.current, presentation);
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rebuildGridRef.current?.();
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}, [presentation]);
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useEffect(() => {
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let viewer: Viewer | undefined;
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let handler: ScreenSpaceEventHandler | undefined;
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let resizeObserver: ResizeObserver | undefined;
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let removeGridCameraListener: (() => void) | undefined;
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let cancelled = false;
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const start = async () => {
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try {
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const response = await fetch("/api/map/runtime-config");
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const config = response.ok ? await response.json() as RuntimeConfig : null;
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if (config?.gatewayHealthUrl) {
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void fetch(config.gatewayHealthUrl)
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.then((healthResponse) => healthResponse.ok ? healthResponse.json() as Promise<MapGatewayHealth> : null)
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.then((health) => { if (!cancelled) onGatewayHealth?.(health); })
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.catch(() => { if (!cancelled) onGatewayHealth?.(null); });
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}
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if (!containerRef.current || cancelled) return;
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viewer = new Viewer(containerRef.current, {
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animation: false,
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baseLayer: false,
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baseLayerPicker: false,
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fullscreenButton: false,
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geocoder: false,
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homeButton: false,
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infoBox: false,
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navigationHelpButton: false,
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sceneModePicker: false,
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selectionIndicator: false,
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timeline: false,
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requestRenderMode: true,
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maximumRenderTimeChange: Number.POSITIVE_INFINITY,
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// Sandbox-only: Cesium writes credits into a dedicated, visually
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// suppressed container. Runtime attribution metadata is preserved;
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// external and commercial surfaces must provide visible credits.
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creditContainer: creditContainerRef.current ?? undefined,
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});
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const resourceProxy = config?.resourceProxyBase ? new DefaultProxy(config.resourceProxyBase) : undefined;
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const buildResource = (url: string, accessToken?: string) => {
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// Put cache intent into the upstream URL itself. Cesium providers
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// derive child resources (metadata, imagery tiles, terrain and 3D
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// tiles) from this URL; DefaultProxy then forwards the exact intent
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// to Gateway for every derived request.
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const routedUrl = new URL(url);
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if (!presentationRef.current.cacheEnabled) routedUrl.searchParams.set("nodedc_cache_mode", "passthrough");
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if (presentationRef.current.cacheRefresh) routedUrl.searchParams.set("nodedc_cache_refresh", "1");
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return new Resource({
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url: routedUrl.toString(),
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queryParameters: {
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...(accessToken ? { access_token: accessToken } : {}),
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},
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proxy: resourceProxy,
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});
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};
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const loadEndpoint = async (assetId: string) => {
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if (!config?.gatewayReady) throw new Error("map_gateway_not_ready");
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const endpointResponse = await fetch(`${config.assetEndpointBase}/${assetId}/endpoint`);
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if (!endpointResponse.ok) throw new Error(`Map Gateway asset ${assetId}: ${endpointResponse.status}`);
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return endpointResponse.json() as Promise<IonAssetEndpoint>;
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};
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const endpoint = await loadEndpoint("2");
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if (endpoint.externalType !== "BING" || !endpoint.options?.url || !endpoint.options?.key) throw new Error("cesium_live_imagery_endpoint_invalid");
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const imageryProvider = await BingMapsImageryProvider.fromUrl(buildResource(endpoint.options.url), {
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key: endpoint.options.key,
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mapStyle: (endpoint.options.mapStyle || "Aerial") as BingMapsStyle,
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tileProtocol: "https",
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});
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for (const attribution of endpoint.attributions) if (attribution.html) viewer.creditDisplay.addStaticCredit(new Credit(attribution.html, attribution.collapsible));
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const imageryLayer = viewer.imageryLayers.addImageryProvider(imageryProvider);
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const gridDataSource = new CustomDataSource("nodedc-map-grid");
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viewer.dataSources.add(gridDataSource);
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const terrain = { world: null as CesiumTerrainProvider | null, ellipsoid: new EllipsoidTerrainProvider() };
|
|
viewer.terrainProvider = terrain.ellipsoid;
|
|
viewer.scene.globe.depthTestAgainstTerrain = true;
|
|
addFixtureEntities(viewer);
|
|
viewerRef.current = viewer;
|
|
imageryLayerRef.current = imageryLayer;
|
|
terrainRef.current = terrain;
|
|
const rebuildGrid = () => rebuildElevatedGrid(viewer!, gridDataSource, presentationRef.current);
|
|
rebuildGridRef.current = rebuildGrid;
|
|
removeGridCameraListener = viewer.camera.moveEnd.addEventListener(() => {
|
|
rebuildGrid();
|
|
onCameraChangeRef.current?.(getCameraView(viewer!));
|
|
});
|
|
|
|
if (config?.gatewayReady) {
|
|
void loadEndpoint("1").then(async (terrainEndpoint) => {
|
|
if (!terrainEndpoint.url || !terrainEndpoint.accessToken) throw new Error("terrain_endpoint_invalid");
|
|
const terrainResource = buildResource(terrainEndpoint.url, terrainEndpoint.accessToken);
|
|
const world = await CesiumTerrainProvider.fromUrl(terrainResource, { requestVertexNormals: true, requestWaterMask: true });
|
|
if (cancelled || !viewer || viewer.isDestroyed()) return;
|
|
terrain.world = world;
|
|
for (const attribution of terrainEndpoint.attributions) if (attribution.html) viewer.creditDisplay.addStaticCredit(new Credit(attribution.html, attribution.collapsible));
|
|
applyPresentation(viewer, imageryLayer, buildingsRef.current, terrain, presentationRef.current);
|
|
}).catch(() => undefined);
|
|
void loadEndpoint("96188").then(async (buildingsEndpoint) => {
|
|
if (!buildingsEndpoint.url || !buildingsEndpoint.accessToken) throw new Error("buildings_endpoint_invalid");
|
|
const buildingsResource = buildResource(buildingsEndpoint.url, buildingsEndpoint.accessToken);
|
|
const buildings = await Cesium3DTileset.fromUrl(buildingsResource);
|
|
if (cancelled || !viewer || viewer.isDestroyed()) return;
|
|
viewer.scene.primitives.add(buildings);
|
|
buildingsRef.current = buildings;
|
|
for (const attribution of buildingsEndpoint.attributions) if (attribution.html) viewer.creditDisplay.addStaticCredit(new Credit(attribution.html, attribution.collapsible));
|
|
applyPresentation(viewer, imageryLayer, buildings, terrain, presentationRef.current);
|
|
}).catch(() => undefined);
|
|
if (config.gaussianSplatsReady && config.gaussianAssetId) {
|
|
const gaussianEndpoint = await loadEndpoint(config.gaussianAssetId);
|
|
if (!gaussianEndpoint.url || !gaussianEndpoint.accessToken) throw new Error("gaussian_endpoint_invalid");
|
|
const gaussianResource = buildResource(gaussianEndpoint.url, gaussianEndpoint.accessToken);
|
|
viewer.scene.primitives.add(await Cesium3DTileset.fromUrl(gaussianResource));
|
|
}
|
|
}
|
|
|
|
applyPresentation(viewer, imageryLayer, buildingsRef.current, terrain, presentationRef.current);
|
|
|
|
if (initialCamera) {
|
|
viewer.camera.setView({
|
|
destination: Cartesian3.fromDegrees(initialCamera.longitude, initialCamera.latitude, initialCamera.height),
|
|
orientation: {
|
|
heading: initialCamera.heading,
|
|
pitch: initialCamera.pitch,
|
|
roll: initialCamera.roll,
|
|
},
|
|
});
|
|
} else {
|
|
const center = toCartesian(sceneFixture.viewport.center as Position);
|
|
viewer.camera.lookAt(center, new HeadingPitchRange(
|
|
CesiumMath.toRadians(sceneFixture.viewport.heading),
|
|
CesiumMath.toRadians(sceneFixture.viewport.pitch),
|
|
sceneFixture.viewport.range,
|
|
));
|
|
viewer.camera.lookAtTransform(Matrix4.IDENTITY);
|
|
}
|
|
rebuildGrid();
|
|
onCameraChangeRef.current?.(getCameraView(viewer));
|
|
|
|
handler = new ScreenSpaceEventHandler(viewer.scene.canvas);
|
|
handler.setInputAction((movement: { position: Cartesian2 }) => {
|
|
const picked = viewer?.scene.pick(movement.position);
|
|
const entity = picked?.id instanceof Entity ? picked.id : undefined;
|
|
if (entity?.id) onSelect?.(entity.id);
|
|
}, ScreenSpaceEventType.LEFT_CLICK);
|
|
resizeObserver = new ResizeObserver(() => {
|
|
if (!viewer || viewer.isDestroyed()) return;
|
|
viewer.resize();
|
|
viewer.scene.requestRender();
|
|
});
|
|
resizeObserver.observe(containerRef.current);
|
|
} catch {
|
|
// The canvas stays available even if an optional provider fails. Its
|
|
// detailed state belongs to the Inspector, not to a map overlay label.
|
|
}
|
|
};
|
|
|
|
void start();
|
|
return () => {
|
|
cancelled = true;
|
|
resizeObserver?.disconnect();
|
|
removeGridCameraListener?.();
|
|
handler?.destroy();
|
|
if (viewer && !viewer.isDestroyed()) viewer.destroy();
|
|
viewerRef.current = null;
|
|
imageryLayerRef.current = null;
|
|
buildingsRef.current = null;
|
|
terrainRef.current = null;
|
|
rebuildGridRef.current = null;
|
|
};
|
|
}, [onGatewayHealth, onSelect]);
|
|
|
|
return (
|
|
<div className="catalog-cesium-map">
|
|
<div ref={containerRef} className="catalog-cesium-map__canvas" />
|
|
<div ref={creditContainerRef} className="catalog-cesium-map__credits" aria-hidden="true" />
|
|
</div>
|
|
);
|
|
}
|