Files
osmWorkflow/scripts/lib/v2x-cesium-overlay.js

281 lines
14 KiB
JavaScript

(function () {
"use strict";
const PI = Math.PI;
const EARTH_A = 6378245.0;
const EARTH_EE = 0.00669342162296594323;
const TOKEN_KEY = "osm-asset-preview-v2x-token";
function createV2xCesiumOverlay(context) {
const settings = context.config.v2xPreview || {};
if (!settings.enabled) return null;
const state = {
token: sessionStorage.getItem(TOKEN_KEY) || "",
entities: [],
linkPhases: new Map(),
socket: null,
status: "Sign in to load live V2X data.",
crossCode: settings.crossCode || "",
metrics: null,
};
const ui = buildUi(state, settings);
function setStatus(message) {
state.status = message;
ui.status.textContent = message;
}
function clearEntities() {
state.entities.forEach((entity) => context.viewer.entities.remove(entity));
state.entities = [];
state.linkPhases.clear();
}
function disconnect() {
if (state.socket) state.socket.close();
state.socket = null;
}
async function request(path) {
const response = await fetch(joinUrl(settings.apiBaseUrl || "/api", path), {
headers: state.token ? { Authorization: state.token } : {},
cache: "no-store",
});
const body = await response.json().catch(() => null);
if (response.status === 401 || response.status === 403 || body?.code === 401 || body?.code === 403) {
signOut("V2X authorization expired. Sign in again.");
throw new Error("V2X authorization expired");
}
if (!response.ok) throw new Error(`V2X request failed (${response.status})`);
if (body && Object.prototype.hasOwnProperty.call(body, "code") && Number(body.code) !== 200) {
throw new Error(body.msg || body.message || "V2X request failed");
}
return body && Object.prototype.hasOwnProperty.call(body, "data") ? body.data : body;
}
async function signIn(userName, password) {
setStatus("Signing in to V2X...");
const response = await fetch(joinUrl(settings.apiBaseUrl || "/api", "/facilities/api/sys/login"), {
method: "POST",
headers: { "Content-Type": "application/json" },
body: JSON.stringify({ userName, password: md5(password) }),
});
const body = await response.json().catch(() => null);
const payload = body?.data || body || {};
const token = payload.token || payload.accessToken || body?.token;
if (!response.ok || Number(body?.code) !== 200 || typeof token !== "string" || !token) {
throw new Error(body?.msg || body?.message || "V2X sign-in failed");
}
state.token = token;
sessionStorage.setItem(TOKEN_KEY, token);
ui.form.hidden = true;
ui.live.hidden = false;
await loadLiveData();
}
function signOut(message) {
disconnect();
clearEntities();
state.token = "";
sessionStorage.removeItem(TOKEN_KEY);
ui.form.hidden = false;
ui.live.hidden = true;
if (message) setStatus(message);
}
async function loadLiveData() {
const crossCode = ui.crossCode.value.trim();
if (!crossCode) {
setStatus("Enter a V2X intersection code.");
return;
}
state.crossCode = crossCode;
clearEntities();
setStatus("Loading live V2X intersection data...");
const results = await Promise.allSettled([
request(`/network/api/link/network/queryCrossLinkInfo/${encodeURIComponent(crossCode)}`),
request(`/network/api/pole/network/queryPoles/${encodeURIComponent(crossCode)}`),
request(`/facilities/api/crossDevice/findDeviceByCrossCode/${encodeURIComponent(crossCode)}`),
request(`/facilities/api/crossDeviceConfig/${encodeURIComponent(crossCode)}`),
request(`/facilities/api/FlowTravelRatio/queryListWeek?code=${encodeURIComponent(crossCode)}`),
]);
const [links, poles, devices, deviceConfig, flow] = results;
const warnings = [];
if (links.status === "fulfilled") addLinks(context.viewer, links.value, state);
else warnings.push("links unavailable");
if (devices.status === "fulfilled") addDevices(context.viewer, devices.value, state);
else warnings.push("devices unavailable");
const poleCount = poles.status === "fulfilled" ? arrayValue(poles.value?.posConfig || poles.value).length : 0;
const deviceCount = devices.status === "fulfilled" ? arrayValue(devices.value).length : 0;
const targetCount = deviceConfig.status === "fulfilled" ? arrayValue(deviceConfig.value?.deviceConfig?.target).length : 0;
state.metrics = flow.status === "fulfilled" ? flow.value : null;
if (flow.status !== "fulfilled") warnings.push("traffic metrics unavailable");
connectSignalSocket();
const linkCount = links.status === "fulfilled" ? arrayValue(links.value?.inLinkList).length : 0;
const metricCount = arrayValue(state.metrics).length;
setStatus(`Live V2X: ${linkCount} links, ${deviceCount} devices, ${poleCount} poles, ${targetCount} configured targets, ${metricCount} flow metrics. GCJ-02 -> WGS84 once.${warnings.length ? ` ${warnings.join(", ")}.` : ""}`);
}
function connectSignalSocket() {
disconnect();
const socketUrl = toWebSocketUrl(joinUrl(settings.wsBaseUrl || "/websocket", "/network/ws/network/signal"), state.token);
try {
state.socket = new WebSocket(socketUrl);
state.socket.onopen = () => state.socket?.send(JSON.stringify({ junctionId: state.crossCode }));
state.socket.onmessage = (event) => updateSignalPhases(event.data, state);
state.socket.onerror = () => setStatus(`${state.status} Signal WebSocket unavailable.`);
} catch (_) {
setStatus(`${state.status} Signal WebSocket unavailable.`);
}
}
ui.form.addEventListener("submit", async (event) => {
event.preventDefault();
try {
await signIn(ui.userName.value.trim(), ui.password.value);
ui.password.value = "";
} catch (error) {
setStatus(error.message || "V2X sign-in failed");
}
});
ui.reload.addEventListener("click", () => loadLiveData().catch((error) => setStatus(error.message || "Live V2X data unavailable")));
ui.signOut.addEventListener("click", () => signOut("Signed out. Native preview remains available."));
if (state.token) {
ui.form.hidden = true;
ui.live.hidden = false;
loadLiveData().catch((error) => setStatus(error.message || "Live V2X data unavailable"));
}
return { state, load: loadLiveData, signOut, dispose: () => { disconnect(); clearEntities(); ui.root.remove(); } };
}
function buildUi(state, settings) {
const root = document.createElement("aside");
root.id = "v2xPanel";
root.innerHTML = `<div class="v2x-heading"><strong>Live V2X Overlay</strong><span>Native: WGS84/ENU | V2X: GCJ-02</span></div>
<form id="v2xLoginForm"><label>Username<input name="userName" autocomplete="username" required></label><label>Password<input name="password" type="password" autocomplete="current-password" required></label><button type="submit">Sign in</button></form>
<div id="v2xLiveControls" hidden><label>Intersection code<input name="crossCode" value="${escapeAttribute(settings.crossCode || "")}" required></label><div><button type="button" data-action="reload">Refresh</button><button type="button" data-action="signout">Sign out</button></div></div>
<output id="v2xStatus"></output>`;
document.body.appendChild(root);
return {
root,
form: root.querySelector("#v2xLoginForm"),
live: root.querySelector("#v2xLiveControls"),
userName: root.querySelector("[name=userName]"),
password: root.querySelector("[name=password]"),
crossCode: root.querySelector("[name=crossCode]"),
reload: root.querySelector("[data-action=reload]"),
signOut: root.querySelector("[data-action=signout]"),
status: root.querySelector("#v2xStatus"),
};
}
function addLinks(viewer, document, state) {
arrayValue(document?.inLinkList).forEach((link) => {
let geometry;
try { geometry = typeof link.geom === "string" ? JSON.parse(link.geom) : link.geom; } catch (_) { return; }
const points = arrayValue(geometry?.coordinates).map(gcj02ToWgs84).flat();
if (points.length < 4) return;
const entity = viewer.entities.add({
name: link.name || `V2X link ${link.id}`,
polyline: { positions: Cesium.Cartesian3.fromDegreesArray(points), width: 5, material: Cesium.Color.CYAN.withAlpha(.78), clampToGround: false },
});
state.entities.push(entity);
arrayValue(link.phaseList).forEach((phase) => state.linkPhases.set(String(phase.phase), entity));
});
}
function addDevices(viewer, devices, state) {
arrayValue(devices).forEach((device) => {
const longitude = Number(device.longitude ?? device.lon ?? device.position?.longitude);
const latitude = Number(device.latitude ?? device.lat ?? device.position?.latitude);
if (!Number.isFinite(longitude) || !Number.isFinite(latitude)) return;
const [wgsLongitude, wgsLatitude] = gcj02ToWgs84([longitude, latitude]);
const entity = viewer.entities.add({
name: device.name || device.code || "V2X device",
position: Cesium.Cartesian3.fromDegrees(wgsLongitude, wgsLatitude, 3),
point: { pixelSize: 9, color: device.onlineStatus === 1 ? Cesium.Color.LIME : Cesium.Color.RED, outlineColor: Cesium.Color.BLACK, outlineWidth: 1 },
label: { text: device.code || device.name || "device", font: "11px sans-serif", fillColor: Cesium.Color.WHITE, outlineColor: Cesium.Color.BLACK, outlineWidth: 2, style: Cesium.LabelStyle.FILL_AND_OUTLINE, pixelOffset: new Cesium.Cartesian2(0, -16) },
});
state.entities.push(entity);
});
}
function updateSignalPhases(value, state) {
let lamps;
try { lamps = JSON.parse(value).lamps; } catch (_) { return; }
arrayValue(lamps).forEach((lamp) => {
const entity = state.linkPhases.get(String(lamp.phaseNo));
if (!entity?.polyline) return;
entity.polyline.material = lampColor(lamp.status).withAlpha(.9);
});
}
function lampColor(status) {
if (String(status).toLowerCase().includes("green") || Number(status) === 3) return Cesium.Color.LIME;
if (String(status).toLowerCase().includes("yellow") || Number(status) === 2) return Cesium.Color.GOLD;
return Cesium.Color.RED;
}
function arrayValue(value) { return Array.isArray(value) ? value : []; }
function joinUrl(base, path) { return `${String(base || "").replace(/\/$/, "")}${path.startsWith("/") ? path : `/${path}`}`; }
function toWebSocketUrl(url, token) {
const resolved = new URL(url, window.location.href);
resolved.protocol = resolved.protocol === "https:" ? "wss:" : "ws:";
resolved.searchParams.set("authorization", token);
return resolved.href;
}
function escapeAttribute(value) { return String(value).replaceAll("&", "&amp;").replaceAll('"', "&quot;").replaceAll("<", "&lt;"); }
function transformLat(x, y) { let value = -100 + 2 * x + 3 * y + .2 * y * y + .1 * x * y + .2 * Math.sqrt(Math.abs(x)); value += (20 * Math.sin(6 * x * PI) + 20 * Math.sin(2 * x * PI)) * 2 / 3; value += (20 * Math.sin(y * PI) + 40 * Math.sin(y / 3 * PI)) * 2 / 3; value += (160 * Math.sin(y / 12 * PI) + 320 * Math.sin(y * PI / 30)) * 2 / 3; return value; }
function transformLon(x, y) { let value = 300 + x + 2 * y + .1 * x * x + .1 * x * y + .1 * Math.sqrt(Math.abs(x)); value += (20 * Math.sin(6 * x * PI) + 20 * Math.sin(2 * x * PI)) * 2 / 3; value += (20 * Math.sin(x * PI) + 40 * Math.sin(x / 3 * PI)) * 2 / 3; value += (150 * Math.sin(x / 12 * PI) + 300 * Math.sin(x / 30 * PI)) * 2 / 3; return value; }
function gcj02ToWgs84(coordinate) { const longitude = Number(coordinate[0]); const latitude = Number(coordinate[1]); if (!Number.isFinite(longitude) || !Number.isFinite(latitude)) return [NaN, NaN]; const dLat = transformLat(longitude - 105, latitude - 35); const dLon = transformLon(longitude - 105, latitude - 35); const radLat = latitude / 180 * PI; const magic = 1 - EARTH_EE * Math.sin(radLat) ** 2; const sqrtMagic = Math.sqrt(magic); return [longitude - dLon * 180 / (EARTH_A / sqrtMagic * Math.cos(radLat) * PI), latitude - dLat * 180 / (EARTH_A * (1 - EARTH_EE) / (magic * sqrtMagic) * PI)]; }
// The V2X login contract uses MD5. Keep the implementation local so the
// generated preview stays dependency-free and credentials are never sent plain.
function md5(value) {
const source = unescape(encodeURIComponent(String(value)));
const words = [];
for (let index = 0; index < source.length; index += 1) words[index >> 2] = (words[index >> 2] || 0) | (source.charCodeAt(index) << ((index % 4) * 8));
const bitLength = source.length * 8;
words[bitLength >> 5] = (words[bitLength >> 5] || 0) | (128 << (bitLength % 32));
words[(((bitLength + 64) >>> 9) << 4) + 14] = bitLength;
const shifts = [7, 12, 17, 22, 7, 12, 17, 22, 7, 12, 17, 22, 7, 12, 17, 22, 5, 9, 14, 20, 5, 9, 14, 20, 5, 9, 14, 20, 5, 9, 14, 20, 4, 11, 16, 23, 4, 11, 16, 23, 4, 11, 16, 23, 4, 11, 16, 23, 6, 10, 15, 21, 6, 10, 15, 21, 6, 10, 15, 21, 6, 10, 15, 21];
let a0 = 1732584193;
let b0 = -271733879;
let c0 = -1732584194;
let d0 = 271733878;
for (let offset = 0; offset < words.length; offset += 16) {
let a = a0;
let b = b0;
let c = c0;
let d = d0;
for (let index = 0; index < 64; index += 1) {
let f;
let g;
if (index < 16) { f = (b & c) | (~b & d); g = index; }
else if (index < 32) { f = (d & b) | (~d & c); g = (5 * index + 1) % 16; }
else if (index < 48) { f = b ^ c ^ d; g = (3 * index + 5) % 16; }
else { f = c ^ (b | ~d); g = (7 * index) % 16; }
const nextD = d;
d = c;
c = b;
b = add(b, rotate(add(add(a, f), add(words[offset + g] || 0, Math.floor(Math.abs(Math.sin(index + 1)) * 4294967296))), shifts[index]));
a = nextD;
}
a0 = add(a0, a);
b0 = add(b0, b);
c0 = add(c0, c);
d0 = add(d0, d);
}
return [a0, b0, c0, d0].map(hex).join("");
}
function add(a, b) { return (a + b) & 0xFFFFFFFF; }
function rotate(value, count) { return (value << count) | (value >>> (32 - count)); }
function hex(value) { let output = ""; for (let index = 0; index < 4; index += 1) output += (`0${(value >>> (index * 8) & 255).toString(16)}`).slice(-2); return output; }
createV2xCesiumOverlay.utils = { gcj02ToWgs84, joinUrl, md5, toWebSocketUrl };
window.createV2xCesiumOverlay = createV2xCesiumOverlay;
}());