将 IFC 查看器嵌入您自己的产品

viewer.on("element-selected", async (e) => {
  const data = await viewer.getElement(e.expressId, e.modelId);
  renderPanel(data.name, data.globalId, data.propertySets);
});

viewer.on("validation-completed", (v) => {
  setScore(v.qualityScore);                 // 0–100, or null
  setCounts(v.errors, v.warnings, v.info);
});

const ids = await fetch("/specs/project.ids").then(r => r.text());
const res = await viewer.checkIds(ids);     // runs in a worker

res.specs.forEach((spec) => {
  row(spec.name, spec.status, spec.passedCount + "/" + spec.applicableCount);
  spec.failures.forEach((f) => onClick(() => viewer.select(f.expressId, f.modelId)));
});

// An editable EIR profile — object, JSON, or the compact shorthand below.
const profile = {
  name: "Door QA",
  rules: [
    { type: "requiredProperty", entity: "IfcDoor", property: "FireRating", severity: "error" },
    { type: "allowedValues", entity: "IfcDoor", property: "FireRating",
      values: ["EI30", "EI60", "EI90"], severity: "warning" },
  ],
};
const res = await viewer.checkEir(profile);   // same IdsResult as checkIds
res.specs.forEach((spec) => {
  spec.failures.forEach((f) => row(spec.name, f.globalId, f.reasons.join(" · ")));
});

// Declared up front: the iframe boots with all of it, no clicks, no flash.
const viewer = await IfcViewer.create("#viewer", {
  model: "https://example.com/house.ifc",
  ui: "client",
  background: "white",
  map: ["terrain", "buildings"],   // your page declares tile consent
  solar: "06-21T19:30",            // summer solstice, site-local
});

// …or change the story as the reader scrolls
await viewer.setSolar({ date: "12-21", time: "09:30" });
const { attributions } = await viewer.getSiteContext(); // show these

const { levels } = await viewer.getSections();
await viewer.addSection({ level: levels[0].name });   // floor plan, 1.2 m up
viewer.setView("top");

await viewer.setMeasureTool("distance");
viewer.on("measurements-changed", ({ items }) => {
  // value is SI — metres, m², degrees — whatever the viewer displays
  render(items.map((m) => m.kind + ": " + m.value?.toFixed(2)));
});

// 1. Once, while writing the post: frame each view and copy the camera.
console.log(JSON.stringify(await viewer.getCamera()));

// 2. In the page: play the stops, self-running, next to your text.
await viewer.playTour({
  title: "Casa Poblenou",
  steps: [
    { position: { x: 52, y: 29, z: 24 }, target: { x: 18, y: 7, z: -11 }, caption: "The site" },
    { position: { x: 18, y: 40, z: 11 }, target: { x: 18, y: 0, z: 10 },
      caption: "Structure", isolate: ["IfcColumn", "IfcSlab"] },
  ],
}, { autoplay: 6000 });
viewer.on("tour-step", ({ index, caption }) => highlightParagraph(index));

viewer.on("presentation-progress", ({ stage, progress }) => bar.value = progress ?? 0);
await viewer.createPresentation("linkedin-teaser", { title: "Casa Poblenou", targetSec: 20 });

const { bytes, mimeType } = await viewer.exportPresentation({ resolution: 1080 });
video.src = URL.createObjectURL(new Blob([bytes], { type: mimeType }));

await viewer.createCover({
  recipe: "pinterest",
  text: { title: "Casa Poblenou", location: "Barcelona", website: "https://example.com" },
});
const { bytes, mimeType } = await viewer.exportCover({ type: "png" });
img.src = URL.createObjectURL(new Blob([bytes], { type: mimeType }));

const viewer = new IfcViewer("#figure", {
  ui: "article",            // canvas only, tight iso framing, wheel scrolls the page
  model: "https://example.com/pavilion.ifc",
  lazy: true,               // nothing loads until the reader asks
  poster: "/img/pavilion.jpg",
  posterTitle: "The pavilion, live",
  aspectRatio: "16/10",     // no layout shift from poster to viewer
  background: "auto",       // paper on a light page, studio on a dark one
  turntable: true,          // a slow turn until the reader takes over
  fullscreenButton: true,
  validate: false,
});

// <div id="figure" style="position:sticky;top:1rem"></div>
// <p id="s1">…</p> <p id="s2">…</p> <p id="s3">…</p>
const viewer = new IfcViewer("#figure", { ui: "article", aspectRatio: "16/10", model: url });
viewer.bindSteps([
  { el: "#s1", frame: { view: "iso" } },
  { el: "#s2", isolate: "IfcWall", frame: { azimuth: 225, elevation: 20 } },
  { el: "#s3", isolate: null, solar: { active: true, date: "06-21", time: "19:30" } },
]);

const viewer = new IfcViewer("#twin", {
  ui: "client",
  scene: "https://www.ifcvieweronline.eu/scenes/barcelona-placa-catalunya.scene.json",
});
viewer.on("alert", (a) => { if (a.kind === "start") notify(a.name + ": " + a.rule) });
viewer.on("layer-feature-picked", (f) => showCard(f.layer, f.properties));

// Your own live source next to the scene's (GeoJSON with CORS, every 60 s)
await viewer.addLayer({ url: "https://example.org/sensors.geojson", live: 60 });
const { link, sources } = await viewer.exportScene({ title: "Our twin" });

import { IfcViewer } from "https://www.ifcvieweronline.eu/sdk/1.18.0/ifc-viewer.es.js";

const viewer = await IfcViewer.create("#product-3d", {
  ui: "embed",               // 3D + properties, Validate and Measure only
  panels: ["properties"],
  lang: "es",
});
const bytes = await fetch(product.ifcUrl).then(r => r.arrayBuffer());
await viewer.add("V-70-PR.ifc", bytes);                      // framed for you

// The product, by class (or by its GlobalId) — no expressIDs to know
const [win] = await viewer.findElements({ ifcClass: "IfcWindow" });

// What the manufacturer put in the type (IfcWindowType → HasPropertySets)
const el = await viewer.getElement(win.globalId);
const pset = (name) => el.effectivePropertySets.find(s => s.name === name);
const uw = pset("Pset_WindowCommon")?.properties.find(p => p.name === "ThermalTransmittance");
console.log(el.typeName, el.globalId, uw?.value, uw?.unit);   // "Ventana V-70 practicable" … 1.2 "W/(m²·K)"

const { qualityScore } = await viewer.validate();             // Health Score, on demand

// Declared performance per EN 14351-1: wind, water, acoustics, Uw, g / τv, DoP
const en = await viewer.checkEir("builtin-en14351-1");
const missing = en.specs.filter(s => s.status === "fail").map(s => s.name);

new IfcViewer("#viewer", { accent: "#3fa866" });

// …or on the web component:
// <ifc-viewer accent="#3fa866" model="…"></ifc-viewer>

// build a <select> from the bundled languages
IfcViewer.LANGUAGES.forEach(({ code, label }) => addOption(code, label));

// switch at runtime
viewer.setLanguage("ja");