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feat: smooth native junction boundaries

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que01
2026-08-17 17:39:07 +08:00
parent 46542c5f4e
commit e41bfd13ec
10 changed files with 300 additions and 22 deletions
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38
scripts/test-native-road.js
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@@ -71,7 +71,7 @@ assert.ok(geometry.movements.length >= geometry.connectors.features.length);
assert.ok(geometry.movements.every((movement) => movement.id.startsWith("movement:") && movement.connectorId.startsWith("connector:")));
assert.ok(geometry.movements.every((movement) => ["connector", "continuous", "deferred-too-long"].includes(movement.geometryStatus)));
assert.ok(geometry.intersectionSurface.features.every((feature) => feature.properties.rule === "junction-shared-cutback/v3"));
assert.ok(geometry.intersectionSurface.features.every((feature) => ["approach-envelope", "connector-convex-fallback"].includes(feature.properties.boundary_mode)));
assert.ok(geometry.intersectionSurface.features.every((feature) => ["approach-envelope", "rounded-approach-envelope", "connector-convex-fallback"].includes(feature.properties.boundary_mode)));
assert.ok(geometry.intersectionSurface.features.every((feature) => feature.properties.approach_area_m2 > 0 && feature.properties.surface_area_m2 > 0 && feature.properties.expansion_ratio >= 1));
for (const feature of geometry.intersectionSurface.features.filter((item) => item.properties.boundary_mode === "connector-convex-fallback")) assert.ok(geometry.diagnostics.some((item) => item.subjectId === feature.properties.native_id && item.rule === "junction-connector-envelope-fallback"));
const controlOsm = `<osm><node id="1" lon="114" lat="30"/><node id="2" lon="114.00080" lat="30"><tag k="highway" v="crossing"/><tag k="crossing:markings" v="zebra"/></node><node id="3" lon="114.001" lat="30"/><node id="4" lon="114.002" lat="30"><tag k="highway" v="crossing"/><tag k="crossing:markings" v="unmarked"/></node><node id="5" lon="114.0035" lat="30"><tag k="highway" v="crossing"/></node><node id="6" lon="114.004" lat="30"/><node id="7" lon="114.001" lat="30.001"/><way id="60"><nd ref="1"/><nd ref="2"/><nd ref="3"/><nd ref="4"/><tag k="highway" v="residential"/></way><way id="61"><nd ref="5"/><nd ref="6"/><tag k="highway" v="footway"/></way><way id="62"><nd ref="3"/><nd ref="7"/><tag k="highway" v="residential"/></way></osm>`;
@@ -96,13 +96,43 @@ const crossOsm = `<osm><node id="1" lon="114" lat="30"/><node id="2" lon="114.00
const crossCenter = [114.001, 30];
const crossGeometry = compileGeometry(compileRoadModel(crossOsm, empty));
assert.equal(crossGeometry.intersectionSurface.features.length, 1);
assert.equal(crossGeometry.intersectionSurface.features[0].properties.boundary_mode, "rounded-approach-envelope");
assert.ok(crossGeometry.intersectionSurface.features[0].geometry.coordinates[0].length > 9);
const crossBoundary = crossGeometry.intersectionSurface.features[0].geometry.coordinates[0];
const crossRadius = (point) => Math.hypot((point[0] - crossCenter[0]) * 96400, (point[1] - crossCenter[1]) * 111320);
// The sampled tangent arc must cut inward from its old straight chord; an
// outward-bowed control point leaks asphalt into the pedestrian corner.
const firstCurveEnd = crossBoundary[8];
assert.ok(crossRadius(crossBoundary[4]) < crossRadius([(crossBoundary[0][0] + firstCurveEnd[0]) / 2, (crossBoundary[0][1] + firstCurveEnd[1]) / 2]));
assert.equal(crossGeometry.turnArrows.features.length, 0);
assert.ok(crossGeometry.directionArrows.features.length > 0);
assert.ok(crossGeometry.directionArrows.features.every((feature) => feature.properties.maneuver === "through" && feature.properties.provenance === "native-road-direction-arrow/v1"));
assert.ok(crossGeometry.roadSurface.features.some((feature) => Math.min(...feature.geometry.coordinates[0].map((point) => Math.hypot((point[0] - crossCenter[0]) * 96400, (point[1] - crossCenter[1]) * 111320))) < 4));
// Approach asphalt ends at the shared cutback; the rounded junction surface
// exclusively owns the central road area so its boundary remains visible.
assert.ok(crossGeometry.roadSurface.features.every((feature) => Math.min(...feature.geometry.coordinates[0].map((point) => Math.hypot((point[0] - crossCenter[0]) * 96400, (point[1] - crossCenter[1]) * 111320))) > 4));
const exteriorRings = (geometry) => geometry.type === "Polygon" ? [geometry.coordinates[0]] : geometry.coordinates.map((polygon) => polygon[0]);
assert.ok(crossGeometry.sidewalkSurface.features.every((feature) => Math.min(...exteriorRings(feature.geometry).flat().map((point) => Math.hypot((point[0] - crossCenter[0]) * 96400, (point[1] - crossCenter[1]) * 111320))) > 5));
assert.equal(crossGeometry.sidewalkSurface.features.filter((feature) => feature.properties.kind === "corner").length, 4);
const crossSidewalkCorners = crossGeometry.sidewalkSurface.features.filter((feature) => feature.properties.kind === "corner");
assert.equal(crossSidewalkCorners.length, 4);
// A rounded sidewalk corner must sample both the curb and outer boundaries.
// The legacy wedge had five closing-ring points; two curved edges need more.
assert.ok(crossSidewalkCorners.every((feature) => feature.geometry.coordinates[0].length > 9));
assert.ok(crossSidewalkCorners.every((feature) => {
const ring = feature.geometry.coordinates[0];
const outerStart = ring[1];
const outerCurvePoint = ring[2];
const outerEnd = ring[(ring.length - 1) / 2];
const twiceArea = (outerEnd[0] - outerStart[0]) * (outerCurvePoint[1] - outerStart[1]) - (outerEnd[1] - outerStart[1]) * (outerCurvePoint[0] - outerStart[0]);
return Math.abs(twiceArea) > 1e-12;
}));
assert.ok(crossSidewalkCorners.every((feature) => {
const ring = feature.geometry.coordinates[0];
const curbStart = ring[10];
const curbCurvePoint = ring[11];
const curbEnd = ring[0];
const twiceArea = (curbEnd[0] - curbStart[0]) * (curbCurvePoint[1] - curbStart[1]) - (curbEnd[1] - curbStart[1]) * (curbCurvePoint[0] - curbStart[0]);
return Math.abs(twiceArea) > 1e-12;
}));
const sharedInteriorNodeOsm = `<osm><node id="1" lon="114" lat="30"/><node id="2" lon="114.001" lat="30"/><node id="3" lon="114.002" lat="30"/><node id="4" lon="114.001" lat="30.001"/><way id="50"><nd ref="1"/><nd ref="2"/><nd ref="3"/><tag k="highway" v="residential"/><tag k="sidewalk" v="both"/></way><way id="51"><nd ref="4"/><nd ref="2"/><tag k="highway" v="residential"/><tag k="sidewalk" v="both"/></way></osm>`;
const sharedInteriorModel = compileRoadModel(sharedInteriorNodeOsm, empty);
assert.equal(sharedInteriorModel.roads.length, 6);
@@ -113,7 +143,7 @@ assert.equal(sharedInteriorGeometry.intersectionSurface.features.length, 1);
assert.equal(sharedInteriorGeometry.intersectionSurface.features[0].properties.osm_node_id, "2");
assert.equal(sharedInteriorGeometry.intersectionSurface.features[0].properties.kind, "t");
assert.ok(sharedInteriorGeometry.connectors.features.length >= 4);
assert.ok(sharedInteriorGeometry.sidewalkSurface.features.some((feature) => feature.properties.kind === "corner" && /segment:way\/50\/1:.*->segment:way\/50\/2:/.test(feature.properties.native_id)));
assert.ok(sharedInteriorGeometry.sidewalkSurface.features.some((feature) => feature.properties.kind === "continuation" && /segment:way\/50\/1:.*->segment:way\/50\/2:/.test(feature.properties.native_id)));
const connection = initial.connections[0];
assert.ok(initial.connections.every((item) => item.fromEndpointId.endsWith(":end") && item.toEndpointId.endsWith(":start")));
assert.equal(initial.connections.length, new Set(initial.connections.map((item) => `${item.fromEndpointId}->${item.toEndpointId}`)).size);