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chore: remove the unwired annotation GeoJSON interchange (#502)
Supersedes #293 by @raiyan22, ported onto the current component layout with fixes from review. Verified before merge: format, package boundaries, unit suite, build, and the browser tracking suite; a browser harness for the change where one applies; adversarial review applied. Co-authored-by: raiyan22 <[email protected]>
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Bilawal Sidhuandraiyan22 authored and GitHub committed
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@@ -280,6 +280,9 @@ of current runtime behavior, see [`docs/CURRENT-STATE.md`](docs/CURRENT-STATE.md
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helper that resolves the root, and a case that builds a symlinked temp root
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helper that resolves the root, and a case that builds a symlinked temp root
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explicitly keeps it covered on Linux, whose own temp root is not symlinked.
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explicitly keeps it covered on Linux, whose own temp root is not symlinked.
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Contributed by VassagoDevteam (#301).
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Contributed by VassagoDevteam (#301).
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- Remove the annotation GeoJSON conversion module and its tests. Nothing in the
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application read or wrote it, so it carried no behavior. Annotations are
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unchanged. Contributed by raiyan22 (#293).
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- Extract application lifecycle and viewer exports. Split standalone startup into
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- Extract application lifecycle and viewer exports. Split standalone startup into
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scene setup, controls, layer registration, tools and loading UI. Startup failure
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scene setup, controls, layer registration, tools and loading UI. Startup failure
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@@ -750,7 +750,7 @@ export function createAnnotationEngine({
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synthesized: Boolean(resolved.synthesized), // approximate buffered area → dashed render
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synthesized: Boolean(resolved.synthesized), // approximate buffered area → dashed render
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// Progressive outline: the anchor is placed, the footprint is still resolving —
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// Progressive outline: the anchor is placed, the footprint is still resolving —
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// the upgrade task fills ring/kind in place when it lands. Transient render state
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// the upgrade task fills ring/kind in place when it lands. Transient render state
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// (not serialized to GeoJSON).
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// (not persisted).
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pendingOutline: typeof resolved.resolveOutline === 'function',
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pendingOutline: typeof resolved.resolveOutline === 'function',
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// Which THING + SHAPE was asked for — the dedup identity while geometry is still
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// Which THING + SHAPE was asked for — the dedup identity while geometry is still
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// pending (see findDuplicate). targetKey is the normalized place name with trailing
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// pending (see findDuplicate). targetKey is the normalized place name with trailing
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@@ -1,213 +0,0 @@
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/**
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* @module annotationGeoJson
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* @description Pure conversion between the runtime annotation model and a GeoJSON
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* FeatureCollection — a durable, testable interchange format for saving, exporting,
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* importing, sharing, and fixture-testing annotations. It is NOT a renderer input:
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* the Cesium/SVG renderers keep consuming runtime annotation objects. This module is
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* deliberately Cesium-free and dependency-free so it can run in tests and any context.
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*
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* Mapping (one Feature per mark; project fields namespaced `gev:`):
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* pin | highlight | label -> Point (anchor)
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* arrow -> LineString (anchor -> to)
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* route -> LineString (the routed path)
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* area (with a ring) -> Polygon (the footprint ring; centroid in `gev:anchor`)
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* area (no ring) -> Point (degenerate area; renders as a marker)
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*
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* Coordinates are GeoJSON positions `[lon, lat]`, or `[lon, lat, height]` when a height
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* is present (anchor / route / arrow). Area ring vertices are 2D `[lon, lat]` (the runtime
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* ring has no per-vertex height). Conversions are LOSSLESS for the semantic fields; transient
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* render state (alpha/bornAt/createdAt/expiring) is intentionally NOT carried — an importer
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* re-initializes it.
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*/
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const VALID_TYPES = new Set(['pin', 'highlight', 'label', 'arrow', 'route', 'area']);
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/** {lon,lat,height?} -> GeoJSON position, or null if not a finite lon/lat. */
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function toPosition(p) {
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if (!p || !Number.isFinite(p.lon) || !Number.isFinite(p.lat)) return null;
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return Number.isFinite(p.height) ? [p.lon, p.lat, p.height] : [p.lon, p.lat];
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}
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/** GeoJSON position -> {lon,lat,height?}, or null if malformed. */
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function fromPosition(c) {
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if (!Array.isArray(c) || !Number.isFinite(c[0]) || !Number.isFinite(c[1])) return null;
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return Number.isFinite(c[2]) ? { lon: c[0], lat: c[1], height: c[2] } : { lon: c[0], lat: c[1] };
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}
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/** Mean of a runtime ring (`[[lon,lat],...]`), used as a fallback area anchor on import. */
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function ringCentroid(ring) {
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if (!Array.isArray(ring) || ring.length === 0) return null;
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let sx = 0;
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let sy = 0;
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for (const [lon, lat] of ring) { sx += lon; sy += lat; }
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return { lon: sx / ring.length, lat: sy / ring.length };
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}
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/**
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* Convert one runtime annotation object to a GeoJSON Feature.
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* @param {object} anno - A runtime annotation (as produced by the engine).
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* @returns {object|null} A GeoJSON Feature, or null if `anno` can't form a valid geometry.
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*/
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export function annotationToFeature(anno) {
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if (!anno || typeof anno !== 'object' || !VALID_TYPES.has(anno.type)) return null;
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const type = anno.type;
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const properties = {
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'gev:type': type,
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'gev:id': anno.id ?? null,
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'gev:label': anno.label ?? null,
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'gev:color': anno.color ?? null,
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'gev:ttlMs': anno.ttlMs ?? null,
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};
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let geometry = null;
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if (type === 'route') {
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const coords = (Array.isArray(anno.path) ? anno.path : []).map(toPosition).filter(Boolean);
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if (coords.length < 2) return null;
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geometry = { type: 'LineString', coordinates: coords };
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properties['gev:mode'] = anno.mode ?? null;
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properties['gev:distanceM'] = anno.distanceM ?? null;
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properties['gev:durationS'] = anno.durationS ?? null;
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properties['gev:fallback'] = Boolean(anno.fallback);
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} else if (type === 'arrow') {
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const from = toPosition(anno.anchor);
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const to = toPosition(anno.to);
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if (!from || !to) return null;
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geometry = { type: 'LineString', coordinates: [from, to] };
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} else if (type === 'area' && Array.isArray(anno.ring) && anno.ring.length >= 3) {
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const ring = [];
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for (const pair of anno.ring) {
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if (!Array.isArray(pair) || !Number.isFinite(pair[0]) || !Number.isFinite(pair[1])) return null;
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ring.push([pair[0], pair[1]]);
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}
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// GeoJSON linear rings must be explicitly closed (first === last).
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const first = ring[0];
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const last = ring[ring.length - 1];
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if (first[0] !== last[0] || first[1] !== last[1]) ring.push([first[0], first[1]]);
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geometry = { type: 'Polygon', coordinates: [ring] };
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properties['gev:footprintKind'] = anno.footprintKind ?? null;
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properties['gev:buildingHeight'] = anno.buildingHeight ?? null;
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properties['gev:synthesized'] = Boolean(anno.synthesized);
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const anchor = toPosition(anno.anchor);
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if (anchor) properties['gev:anchor'] = anchor; // preserve the exact centroid, don't recompute
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} else {
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// pin / highlight / label, or a degenerate `area` with no ring -> a Point at the anchor.
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const anchor = toPosition(anno.anchor);
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if (!anchor) return null;
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geometry = { type: 'Point', coordinates: anchor };
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if (type === 'area') {
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properties['gev:footprintKind'] = anno.footprintKind ?? null;
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properties['gev:synthesized'] = Boolean(anno.synthesized);
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}
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}
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return { type: 'Feature', geometry, properties };
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}
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/**
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* Convert a GeoJSON Feature back to a runtime annotation object (semantic fields only —
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* the importer adds render state). Fails CLOSED: returns null for any malformed feature,
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* unknown `gev:type`, or geometry that doesn't match the declared type.
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* @param {object} feature - A GeoJSON Feature produced by {@link annotationToFeature}.
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* @returns {object|null}
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*/
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export function featureToAnnotation(feature) {
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if (!feature || feature.type !== 'Feature' || !feature.geometry || !feature.properties) return null;
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const g = feature.geometry;
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const p = feature.properties;
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const type = p['gev:type'];
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if (!VALID_TYPES.has(type)) return null;
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const base = {
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type,
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id: p['gev:id'] ?? null,
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label: p['gev:label'] ?? null,
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color: p['gev:color'] ?? 'primary',
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ttlMs: p['gev:ttlMs'] ?? null,
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};
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if (type === 'route') {
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if (g.type !== 'LineString' || !Array.isArray(g.coordinates) || g.coordinates.length < 2) return null;
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const path = g.coordinates.map(fromPosition);
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if (path.some((x) => !x)) return null;
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return {
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...base,
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anchor: path[0],
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to: null,
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ring: null,
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path,
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mode: p['gev:mode'] ?? null,
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distanceM: p['gev:distanceM'] ?? null,
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durationS: p['gev:durationS'] ?? null,
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fallback: Boolean(p['gev:fallback']),
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};
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}
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if (type === 'arrow') {
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if (g.type !== 'LineString' || !Array.isArray(g.coordinates) || g.coordinates.length !== 2) return null;
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const from = fromPosition(g.coordinates[0]);
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const to = fromPosition(g.coordinates[1]);
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if (!from || !to) return null;
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return { ...base, anchor: from, to, ring: null };
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}
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if (g.type === 'Polygon') {
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if (type !== 'area' || !Array.isArray(g.coordinates) || !Array.isArray(g.coordinates[0])) return null;
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const raw = g.coordinates[0];
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if (raw.length < 4) return null; // a closed triangle is the minimum (4 positions)
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const ring = [];
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for (const c of raw) {
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if (!Array.isArray(c) || !Number.isFinite(c[0]) || !Number.isFinite(c[1])) return null;
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ring.push([c[0], c[1]]);
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}
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// Drop the GeoJSON closing duplicate to match the runtime ring (not explicitly closed).
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const f = ring[0];
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const l = ring[ring.length - 1];
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if (ring.length > 3 && f[0] === l[0] && f[1] === l[1]) ring.pop();
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const anchor = fromPosition(p['gev:anchor']) || ringCentroid(ring);
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return {
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...base,
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anchor,
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to: null,
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ring,
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footprintKind: p['gev:footprintKind'] ?? null,
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buildingHeight: p['gev:buildingHeight'] ?? null,
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synthesized: Boolean(p['gev:synthesized']),
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};
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}
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// Point geometry — pin / highlight / label, or a degenerate area.
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if (g.type !== 'Point') return null;
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const anchor = fromPosition(g.coordinates);
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if (!anchor) return null;
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const out = { ...base, anchor, to: null, ring: null };
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if (type === 'area') {
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out.footprintKind = p['gev:footprintKind'] ?? null;
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out.buildingHeight = null;
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out.synthesized = Boolean(p['gev:synthesized']);
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}
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return out;
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}
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/**
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* Convert an array of runtime annotations to a GeoJSON FeatureCollection.
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* Marks that can't form a valid geometry are dropped (not thrown).
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* @param {Array<object>} annotations
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* @returns {{type:'FeatureCollection', features: object[]}}
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*/
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export function annotationsToFeatureCollection(annotations) {
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const features = (Array.isArray(annotations) ? annotations : [])
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.map(annotationToFeature)
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.filter(Boolean);
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return { type: 'FeatureCollection', features };
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}
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/**
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* Convert a GeoJSON FeatureCollection back to runtime annotation objects.
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* Malformed features are skipped (fail-closed per feature), never throwing.
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* @param {object} collection
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* @returns {Array<object>}
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*/
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export function featureCollectionToAnnotations(collection) {
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if (!collection || collection.type !== 'FeatureCollection' || !Array.isArray(collection.features)) return [];
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return collection.features.map(featureToAnnotation).filter(Boolean);
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}
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@@ -1,118 +0,0 @@
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// Pure round-trip + fail-closed tests for the annotation <-> GeoJSON interchange.
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// Run with: npm test (node --test). No framework, no Cesium, no browser.
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import { test } from 'node:test';
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import assert from 'node:assert/strict';
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import {
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annotationToFeature,
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featureToAnnotation,
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annotationsToFeatureCollection,
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featureCollectionToAnnotations,
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} from './annotationGeoJson.js';
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// A round-trip preserves the semantic fields (transient render state is intentionally not carried).
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const roundTrip = (anno) => featureToAnnotation(annotationToFeature(anno));
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test('point (pin/highlight/label) round-trips, height preserved', () => {
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const pin = { type: 'pin', id: 'anno-1', label: 'ILM', color: 'primary', ttlMs: null,
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anchor: { lon: -77.9, lat: 34.27, height: 12 }, to: null, ring: null };
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const f = annotationToFeature(pin);
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assert.equal(f.geometry.type, 'Point');
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assert.deepEqual(f.geometry.coordinates, [-77.9, 34.27, 12]);
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assert.equal(f.properties['gev:type'], 'pin');
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assert.deepEqual(roundTrip(pin), pin);
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const hl = { type: 'highlight', id: 'anno-2', label: 'spot', color: 'amber', ttlMs: 30000,
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anchor: { lon: 2.29, lat: 48.85 }, to: null, ring: null };
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assert.deepEqual(roundTrip(hl), hl); // no height -> 2D position
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});
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test('area polygon round-trips: ring closed in GeoJSON, un-closed on import; centroid preserved', () => {
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const area = { type: 'area', id: 'anno-3', label: 'Marina', color: 'primary', ttlMs: null,
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anchor: { lon: -122.434, lat: 37.804 }, to: null,
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ring: [[-122.44, 37.80], [-122.43, 37.81], [-122.42, 37.80], [-122.43, 37.79]],
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footprintKind: 'area', buildingHeight: null, synthesized: false };
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const f = annotationToFeature(area);
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assert.equal(f.geometry.type, 'Polygon');
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const gjRing = f.geometry.coordinates[0];
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assert.equal(gjRing.length, 5); // 4 vertices + explicit closing point
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assert.deepEqual(gjRing[0], gjRing[gjRing.length - 1]); // closed
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assert.deepEqual(f.properties['gev:anchor'], [-122.434, 37.804]);
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assert.deepEqual(roundTrip(area), area); // ring back to 4, anchor from gev:anchor
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});
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test('synthesized + building props are preserved', () => {
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const synth = { type: 'area', id: 'anno-4', label: 'around', color: 'primary', ttlMs: null,
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anchor: { lon: -97.74, lat: 30.27 }, to: null,
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ring: [[-97.75, 30.27], [-97.74, 30.28], [-97.73, 30.27]],
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footprintKind: 'area', buildingHeight: null, synthesized: true };
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const f = annotationToFeature(synth);
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assert.equal(f.properties['gev:synthesized'], true);
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assert.equal(roundTrip(synth).synthesized, true);
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const bldg = { type: 'area', id: 'anno-5', label: 'Pentagon', color: 'primary', ttlMs: null,
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anchor: { lon: -77.056, lat: 38.871 }, to: null,
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ring: [[-77.057, 38.870], [-77.055, 38.872], [-77.054, 38.870]],
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footprintKind: 'building', buildingHeight: 24, synthesized: false };
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assert.equal(roundTrip(bldg).footprintKind, 'building');
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assert.equal(roundTrip(bldg).buildingHeight, 24);
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});
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test('route path round-trips with mode/distance/duration', () => {
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const path = [{ lon: -122.4, lat: 37.7, height: 5 }, { lon: -122.39, lat: 37.71, height: 6 }, { lon: -122.38, lat: 37.72, height: 7 }];
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const route = { type: 'route', id: 'anno-6', label: '590 m · 8 min', color: 'primary', ttlMs: null,
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anchor: { lon: -122.4, lat: 37.7, height: 5 }, to: null, ring: null,
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path, mode: 'foot', distanceM: 590, durationS: 480, fallback: false };
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const f = annotationToFeature(route);
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assert.equal(f.geometry.type, 'LineString');
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assert.equal(f.geometry.coordinates.length, 3);
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assert.deepEqual(roundTrip(route), route);
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});
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||||||
test('arrow round-trips (anchor -> to)', () => {
|
|
||||||
const arrow = { type: 'arrow', id: 'anno-7', label: '2 km', color: 'primary', ttlMs: null,
|
|
||||||
anchor: { lon: -122.43, lat: 37.80, height: 3 }, to: { lon: -122.40, lat: 37.81, height: 4 }, ring: null };
|
|
||||||
const f = annotationToFeature(arrow);
|
|
||||||
assert.equal(f.geometry.type, 'LineString');
|
|
||||||
assert.equal(f.geometry.coordinates.length, 2);
|
|
||||||
assert.deepEqual(roundTrip(arrow), arrow);
|
|
||||||
});
|
|
||||||
|
|
||||||
test('degenerate area (no ring) -> Point, round-trips', () => {
|
|
||||||
const ptArea = { type: 'area', id: 'anno-8', label: 'X', color: 'primary', ttlMs: null,
|
|
||||||
anchor: { lon: 10, lat: 20 }, to: null, ring: null, footprintKind: null, buildingHeight: null, synthesized: false };
|
|
||||||
const f = annotationToFeature(ptArea);
|
|
||||||
assert.equal(f.geometry.type, 'Point');
|
|
||||||
const back = roundTrip(ptArea);
|
|
||||||
assert.equal(back.type, 'area');
|
|
||||||
assert.equal(back.ring, null);
|
|
||||||
assert.deepEqual(back.anchor, { lon: 10, lat: 20 });
|
|
||||||
});
|
|
||||||
|
|
||||||
test('FeatureCollection round-trips a mixed set', () => {
|
|
||||||
const annos = [
|
|
||||||
{ type: 'pin', id: 'a', label: 'p', color: 'primary', ttlMs: null, anchor: { lon: 1, lat: 2 }, to: null, ring: null },
|
|
||||||
{ type: 'area', id: 'b', label: 'q', color: 'amber', ttlMs: null, anchor: { lon: 3, lat: 4 }, to: null,
|
|
||||||
ring: [[3, 4], [4, 5], [5, 4]], footprintKind: 'area', buildingHeight: null, synthesized: false },
|
|
||||||
];
|
|
||||||
const fc = annotationsToFeatureCollection(annos);
|
|
||||||
assert.equal(fc.type, 'FeatureCollection');
|
|
||||||
assert.equal(fc.features.length, 2);
|
|
||||||
assert.deepEqual(featureCollectionToAnnotations(fc), annos);
|
|
||||||
});
|
|
||||||
|
|
||||||
test('malformed input fails CLOSED (returns null / skips)', () => {
|
|
||||||
assert.equal(featureToAnnotation(null), null);
|
|
||||||
assert.equal(featureToAnnotation({}), null);
|
|
||||||
assert.equal(featureToAnnotation({ type: 'NotAFeature' }), null);
|
|
||||||
assert.equal(featureToAnnotation({ type: 'Feature', geometry: { type: 'Point', coordinates: [0, 0] }, properties: {} }), null); // no gev:type
|
|
||||||
assert.equal(featureToAnnotation({ type: 'Feature', geometry: { type: 'Point', coordinates: [0, 0] }, properties: { 'gev:type': 'route' } }), null); // route needs LineString
|
|
||||||
assert.equal(featureToAnnotation({ type: 'Feature', geometry: { type: 'LineString', coordinates: [[0, 0], [1, 1], [2, 2]] }, properties: { 'gev:type': 'arrow' } }), null); // arrow needs exactly 2
|
|
||||||
assert.equal(featureToAnnotation({ type: 'Feature', geometry: { type: 'Polygon', coordinates: [[[0, 0], [1, 1]]] }, properties: { 'gev:type': 'area' } }), null); // <4 positions
|
|
||||||
assert.equal(featureToAnnotation({ type: 'Feature', geometry: { type: 'Point', coordinates: ['x', 0] }, properties: { 'gev:type': 'pin' } }), null); // non-finite
|
|
||||||
// unknown type on the annotation side too
|
|
||||||
assert.equal(annotationToFeature({ type: 'blob', anchor: { lon: 0, lat: 0 } }), null);
|
|
||||||
assert.equal(annotationToFeature(null), null);
|
|
||||||
// collection helpers never throw on junk
|
|
||||||
assert.deepEqual(featureCollectionToAnnotations({ type: 'X' }), []);
|
|
||||||
assert.deepEqual(annotationsToFeatureCollection('nope'), { type: 'FeatureCollection', features: [] });
|
|
||||||
});
|
|
||||||
Reference in new issue
Block a user