127 lines
20 KiB
JavaScript
127 lines
20 KiB
JavaScript
import Map from "/vendor/ol/Map.js";
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import View from "/vendor/ol/View.js";
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import VectorLayer from "/vendor/ol/layer/Vector.js";
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import VectorSource from "/vendor/ol/source/Vector.js";
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import GeoJSON from "/vendor/ol/format/GeoJSON.js";
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import Feature from "/vendor/ol/Feature.js";
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import LineString from "/vendor/ol/geom/LineString.js";
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import Point from "/vendor/ol/geom/Point.js";
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import Style from "/vendor/ol/style/Style.js";
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import Fill from "/vendor/ol/style/Fill.js";
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import Stroke from "/vendor/ol/style/Stroke.js";
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import CircleStyle from "/vendor/ol/style/Circle.js";
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import RegularShape from "/vendor/ol/style/RegularShape.js";
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import Select from "/vendor/ol/interaction/Select.js";
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import { click } from "/vendor/ol/events/condition.js";
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const geojson = new GeoJSON();
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const areaLabel = document.querySelector("#area");
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const status = document.querySelector("#status");
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const form = document.querySelector("#road-form");
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const hint = document.querySelector("#hint");
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const roadName = document.querySelector("#road-name");
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const movementSummary = document.querySelector("#movement-summary");
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const laneConvention = document.querySelector("#lane-convention");
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const directionSwitch = document.querySelector("#direction-switch");
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const widthInput = document.querySelector("#width");
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const lanesInput = document.querySelector("#lanes");
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const leftInput = document.querySelector("#left");
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const rightInput = document.querySelector("#right");
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const evidence = document.querySelector("#evidence");
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const diagnostics = document.querySelector("#diagnostics");
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const summary = document.querySelector("#summary");
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const connectionsBox = document.querySelector("#connections");
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const addConnectionButton = document.querySelector("#add-connection");
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const saveButton = document.querySelector("#save");
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const compileButton = document.querySelector("#compile");
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let state;
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let selectedRoad = null;
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let staged = [];
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let manualFromEndpoint = null;
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const source = () => new VectorSource();
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const layers = {
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reference: new VectorLayer({ source: source(), style: new Style({ fill: new Fill({ color: "rgba(123, 140, 148, .28)" }), stroke: new Stroke({ color: "#8999a0", width: 1 }) }) }),
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native: new VectorLayer({ source: source(), style: (feature) => feature.get("native_id")?.startsWith("junction:") ? new Style({ fill: new Fill({ color: "rgba(12, 116, 91, .38)" }), stroke: new Stroke({ color: "#0e785f", width: 1.5 }) }) : new Style({ fill: new Fill({ color: "rgba(40, 105, 86, .35)" }), stroke: new Stroke({ color: "#296956", width: 1 }) }) }),
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osm: new VectorLayer({ source: source(), style: (feature) => new Style({ stroke: new Stroke({ color: feature.get("road_id") === selectedRoad?.id ? "#006e91" : "#263630", width: feature.get("road_id") === selectedRoad?.id ? 5 : 2 }) }) }),
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lanes: new VectorLayer({ source: source(), style: laneStyle }),
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osmDirection: new VectorLayer({ source: source(), style: (feature) => new Style({ image: new RegularShape({ points: 3, radius: 9, rotation: feature.get("rotation"), fill: new Fill({ color: "#006e91" }), stroke: new Stroke({ color: "#fff", width: 1.5 }) }) }), zIndex: 11 }),
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connectors: new VectorLayer({ source: source(), style: (feature) => effectiveConnectorEnabled(feature.getProperties()) ? new Style({ stroke: new Stroke({ color: roadIdFromLane(feature.get("from_lane_id")) === selectedRoad?.id ? "#d1226f" : "#ad3a76", width: roadIdFromLane(feature.get("from_lane_id")) === selectedRoad?.id ? 4 : 2, lineDash: [7, 5] }) }) : null }),
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diagnostics: new VectorLayer({ source: source(), style: (feature) => new Style({ image: new CircleStyle({ radius: 6, fill: new Fill({ color: feature.get("severity") === "error" ? "#bf3b2e" : "#d49318" }), stroke: new Stroke({ color: "#fff", width: 1 }) }) }) }),
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selectedRoad: new VectorLayer({ source: source(), style: new Style({ stroke: new Stroke({ color: "#00a5cf", width: 8 }) }), zIndex: 10 }),
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};
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const map = new Map({ target: "map", layers: [layers.reference, layers.native, layers.osm, layers.lanes, layers.connectors, layers.diagnostics, layers.selectedRoad, layers.osmDirection], view: new View({ center: [0, 0], zoom: 2 }) });
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const select = new Select({ condition: click, layers: (layer) => manualFromEndpoint ? layer === layers.osm : [layers.osm, layers.lanes, layers.connectors, layers.native, layers.diagnostics].includes(layer), hitTolerance: 8, style: new Style({ stroke: new Stroke({ color: "#005e89", width: 5 }), fill: new Fill({ color: "rgba(0, 94, 137, .18)" }) }) });
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map.addInteraction(select);
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select.on("select", ({ selected }) => { const feature = selected[0]; if (!feature) return; if (manualFromEndpoint) return chooseManualTarget(roadForFeature(feature)); selectRoad(roadForFeature(feature)); });
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map.on("pointermove", (event) => { map.getTargetElement().style.cursor = map.hasFeatureAtPixel(event.pixel, { hitTolerance: 8 }) ? "pointer" : ""; });
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function message(text) { status.textContent = text; }
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function roadLabel(road) { return road.tags.name || `${road.highway}（OSM ${road.osmWayIds.join(", ")}）`; }
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function osmDirectionLabel(road) { return road?.direction === "forward" ? "沿 OSM 方向" : "逆 OSM 方向"; }
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function roadIdFromLane(laneId) { return typeof laneId === "string" ? laneId.slice(5, laneId.lastIndexOf(":")) : ""; }
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function laneIndex(laneId) { return Number(String(laneId).split(":").at(-1)); }
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function lanePositionLabel(road, index) { return road?.laneCount === 1 ? "唯一车道" : `左起第 ${index} 车道`; }
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function laneStyle(feature) { const selected = feature.get("road_id") === selectedRoad?.id; return new Style({ stroke: new Stroke({ color: selected ? "#006e91" : "#f5f6ee", width: selected ? 3 : 1.3, lineDash: [5, 4] }) }); }
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function directionArrowFeature(geometry) { const middle = geometry.getCoordinateAt(.5); const before = geometry.getCoordinateAt(.48); const after = geometry.getCoordinateAt(.52); const length = Math.hypot(after[0] - before[0], after[1] - before[1]); if (length < .01) return null; return new Feature({ geometry: new Point(middle), rotation: Math.atan2(after[1] - before[1], after[0] - before[0]) }); }
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function refreshOsmDirection() { const directionSource = layers.osmDirection.getSource(); directionSource.clear(); if (!selectedRoad) return; const centerline = new LineString(selectedRoad.centerline).transform("EPSG:4326", "EPSG:3857"); const arrow = directionArrowFeature(centerline); if (arrow) directionSource.addFeature(arrow); }
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function roadForFeature(feature) {
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const properties = feature.getProperties();
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const roadId = properties.road_id || properties.subjectId || roadIdFromLane(properties.from_lane_id) || properties.directional_road_ids?.split(",")[0];
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return state.compiled.model.roads.find((road) => road.id === roadId) || null;
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}
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function endpointFor(road, side) { return state.compiled.model.endpoints.find((endpoint) => endpoint.roadId === road?.id && endpoint.side === side) || null; }
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function endpointsCompatible(from, to) { if (!from || !to || from.roadId === to.roadId || from.side !== "end" || to.side !== "start") return false; if (from.nodeId === to.nodeId) return true; const dx = (from.coordinate[0] - to.coordinate[0]) * 111320 * Math.cos(from.coordinate[1] * Math.PI / 180); const dy = (from.coordinate[1] - to.coordinate[1]) * 111320; return Math.hypot(dx, dy) <= 35; }
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function readFeatures(collection) { return geojson.readFeatures(collection || { type: "FeatureCollection", features: [] }, { dataProjection: "EPSG:4326", featureProjection: "EPSG:3857" }); }
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function rawRoadFeatures() { return state.compiled.model.roads.map((road) => new Feature({ geometry: new LineString(road.centerline).transform("EPSG:4326", "EPSG:3857"), road_id: road.id })); }
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function updateSources() {
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layers.reference.getSource().clear(); layers.reference.getSource().addFeatures(readFeatures(state.layers.osm2streetsRoadSurface));
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layers.native.getSource().clear(); layers.native.getSource().addFeatures([...readFeatures(state.layers.nativeRoadSurface), ...readFeatures(state.layers.nativeIntersectionSurface)]);
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layers.osm.getSource().clear(); layers.osm.getSource().addFeatures(rawRoadFeatures());
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layers.lanes.getSource().clear(); layers.lanes.getSource().addFeatures(readFeatures(state.layers.laneCenterlines));
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layers.connectors.getSource().clear(); layers.connectors.getSource().addFeatures(readFeatures(state.layers.connectors));
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layers.diagnostics.getSource().clear(); layers.diagnostics.getSource().addFeatures(readFeatures({ type: "FeatureCollection", features: state.compiled.diagnostics.filter((item) => item.geometry).map(({ geometry, ...properties }) => ({ type: "Feature", properties, geometry })) }));
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const extent = layers.osm.getSource().getExtent(); if (Number.isFinite(extent[0])) map.getView().fit(extent, { padding: [48, 48, 48, 48], maxZoom: 19 });
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}
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function effectiveLaneEnabled(connector) { const id = `车道连接:${connector.from_lane_id}->${connector.to_lane_id}`; const override = [...staged, ...state.overrides.overrides].find((item) => item.id === id); return override ? override.enabled : connector.enabled !== false; }
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function effectiveConnectionEnabled(connection) { const id = `连接:${connection.id}`; const override = [...staged, ...state.overrides.overrides].find((item) => item.id === id); return override ? override.enabled : connection.enabled; }
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function effectiveConnectorEnabled(connector) { const connection = state?.compiled.model.connections.find((item) => item.id === connector.connection_id); return effectiveLaneEnabled(connector) && (!connection || effectiveConnectionEnabled(connection)); }
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function selectRoad(road, note) {
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selectedRoad = road; layers.osm.changed(); layers.lanes.changed(); layers.connectors.changed(); refreshOsmDirection();
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layers.selectedRoad.getSource().clear(); if (road) layers.selectedRoad.getSource().addFeature(new Feature({ geometry: new LineString(road.centerline).transform("EPSG:4326", "EPSG:3857") }));
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form.hidden = !road; hint.hidden = Boolean(road); if (!road) return;
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roadName.textContent = `${roadLabel(road)}（${osmDirectionLabel(road)}）`;
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widthInput.value = road.widthMeters; lanesInput.value = road.laneCount; leftInput.checked = road.sidewalkLeft; rightInput.checked = road.sidewalkRight;
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evidence.textContent = JSON.stringify({ OSM道路: road.osmWayIds, 参数来源: road.provenance, 已应用修改: road.appliedOverrideIds, 原始标签: road.tags }, null, 2);
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laneConvention.textContent = road.laneCount === 1 ? "蓝色箭头在 OSM 原始中心线上，表示当前方向；“沿 OSM 方向”即节点顺序。本方向只有一条车道。" : "蓝色箭头在 OSM 原始中心线上，表示当前方向；“沿 OSM 方向”即节点顺序。车道按行驶方向从左向右编号。";
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renderDirectionSwitch(road); renderMovementSummary(road); renderConnections(road); message(note || `已选中：${roadLabel(road)}`);
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}
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function renderDirectionSwitch(road) {
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directionSwitch.innerHTML = ""; const alternatives = state.compiled.model.roads.filter((item) => item.osmWayIds.join(",") === road.osmWayIds.join(","));
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if (alternatives.length < 2) { directionSwitch.textContent = "单向道路"; return; }
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for (const item of alternatives) { const button = document.createElement("button"); button.type = "button"; button.textContent = osmDirectionLabel(item); button.disabled = item.id === road.id; button.onclick = () => selectRoad(item); directionSwitch.append(button); }
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}
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function renderMovementSummary(road) { const connectors = state.layers.connectors?.features.filter((feature) => roadIdFromLane(feature.properties.from_lane_id) === road.id && effectiveConnectorEnabled(feature.properties)) || []; const turns = connectors.reduce((result, item) => { result[item.properties.turn] = (result[item.properties.turn] || 0) + 1; return result; }, {}); const labels = { left: "左转", through: "直行", right: "右转", uturn: "掉头" }; movementSummary.textContent = connectors.length ? `已生成 ${connectors.length} 条路径：${Object.entries(turns).map(([key, value]) => `${labels[key] || key} ${value}`).join("，")}` : "当前方向没有已生成的转向路径"; }
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function renderConnections(road) {
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connectionsBox.innerHTML = ""; const endpoint = state.compiled.model.endpoints.find((item) => item.roadId === road.id && item.side === "end"); addConnectionButton.hidden = !endpoint; const rows = state.compiled.model.connections.filter((connection) => connection.fromEndpointId === endpoint?.id);
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if (!rows.length) connectionsBox.textContent = "当前方向到达终点后没有已识别的驶出道路。";
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for (const connection of rows) { const target = state.compiled.model.roads.find((item) => item.id === state.compiled.model.endpoints.find((endpointItem) => endpointItem.id === connection.toEndpointId)?.roadId); if (!target) continue; const label = document.createElement("label"); const input = document.createElement("input"); input.type = "checkbox"; input.checked = effectiveConnectionEnabled(connection); input.onchange = () => { stageConnection(connection, input.checked); selectRoad(road, "有未保存修改：转向路径已即时更新"); }; label.append(input, ` ${turnName(road, target)}：${roadLabel(target)}（${osmDirectionLabel(target)}）`); connectionsBox.append(label); renderLaneControls(connection); }
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renderManualCandidates(endpoint, road);
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}
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function renderManualCandidates(endpoint, road) { const candidates = state.compiled.diagnostics.find((item) => item.endpointId === endpoint?.id)?.manualCandidates || []; if (!candidates.length) return; const title = document.createElement("p"); title.textContent = "附近可手工连接的驶出方向"; connectionsBox.append(title); for (const candidate of candidates) { const target = state.compiled.model.roads.find((item) => item.id === candidate.roadId); if (!target) continue; const button = document.createElement("button"); button.type = "button"; button.textContent = `${roadLabel(target)}（${candidate.distanceMeters} 米）`; button.onclick = () => { stageConnection({ id: `connection:${endpoint.id}:${candidate.toEndpointId}`, fromEndpointId: endpoint.id, toEndpointId: candidate.toEndpointId }, true); selectRoad(road, "有未保存修改：手工连接已暂存；保存并重新生成后会出现转向路径"); }; connectionsBox.append(button); } }
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function renderLaneControls(connection) { const rows = state.layers.connectors?.features.filter((feature) => feature.properties.connection_id === connection.id).map((feature) => feature.properties) || []; for (const row of rows) { const targetRoad = state.compiled.model.roads.find((road) => road.id === roadIdFromLane(row.to_lane_id)); const label = document.createElement("label"); const input = document.createElement("input"); input.type = "checkbox"; input.checked = effectiveLaneEnabled(row); input.onchange = () => { stageLaneConnection(row, input.checked); selectRoad(selectedRoad, "有未保存修改：转向路径已即时更新"); }; label.append(input, ` ${lanePositionLabel(selectedRoad, laneIndex(row.from_lane_id))} → ${lanePositionLabel(targetRoad, laneIndex(row.to_lane_id))}（${osmDirectionLabel(targetRoad)}）`); connectionsBox.append(label); } }
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function turnName(from, to) { const heading = (a, b) => Math.atan2(b[0] - a[0], b[1] - a[1]) * 180 / Math.PI; const delta = ((heading(to.centerline[0], to.centerline[1]) - heading(from.centerline.at(-2), from.centerline.at(-1)) + 540) % 360) - 180; return Math.abs(delta) >= 150 ? "掉头" : Math.abs(delta) <= 30 ? "直行" : delta > 0 ? "右转" : "左转"; }
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function stageConnection(connection, enabled) { const id = `连接:${connection.id}`; staged = staged.filter((item) => item.id !== id); staged.push({ id, kind: "junction-connection", fromEndpointId: connection.fromEndpointId, toEndpointId: connection.toEndpointId, enabled }); layers.connectors.changed(); }
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function stageLaneConnection(connector, enabled) { const id = `车道连接:${connector.from_lane_id}->${connector.to_lane_id}`; staged = staged.filter((item) => item.id !== id); staged.push({ id, kind: "lane-connection", fromLaneId: connector.from_lane_id, toLaneId: connector.to_lane_id, enabled }); layers.connectors.changed(); }
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function chooseManualTarget(targetRoad) { const toEndpoint = endpointFor(targetRoad, "start"); if (!endpointsCompatible(manualFromEndpoint, toEndpoint)) return message("该方向的起点与当前道路终点不兼容：必须是同一路口，或相距不超过 35 米。"); const connection = { id: `connection:${manualFromEndpoint.id}:${toEndpoint.id}`, fromEndpointId: manualFromEndpoint.id, toEndpointId: toEndpoint.id }; manualFromEndpoint = null; stageConnection(connection, true); selectRoad(selectedRoad, "有未保存修改：手工连接已暂存；保存并重新生成后会出现转向路径"); }
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addConnectionButton.onclick = () => { const endpoint = endpointFor(selectedRoad, "end"); if (!endpoint) return; manualFromEndpoint = endpoint; select.getFeatures().clear(); message("请在地图上点击目标方向的 OSM 中心线；仅同一路口或 35 米内的驶出方向可连接。"); };
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function focusDiagnostic(item) { const feature = layers.diagnostics.getSource().getFeatures().find((candidate) => candidate.get("id") === item.id); if (feature) map.getView().fit(feature.getGeometry().getExtent(), { padding: [80, 80, 80, 360], maxZoom: 18, duration: 250 }); selectRoad(state.compiled.model.roads.find((road) => road.id === item.subjectId), `已定位：${item.message}`); }
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function renderDiagnostics() { diagnostics.innerHTML = ""; for (const item of state.compiled.diagnostics.filter((diagnostic) => diagnostic.rule !== "ordinary-junction-surface")) { const button = document.createElement("button"); button.textContent = item.message; button.onclick = () => focusDiagnostic(item); diagnostics.append(button); } }
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function renderSummary() { const comparison = state.comparison; const rows = [["方向道路", comparison.nativeRoadCount], ["路口面", comparison.nativeJunctionSurfaceFeatures], ["转向路径", comparison.nativeConnectorFeatures], ["内部断头", comparison.unconnectedInteriorRoadEnds], ["可手工复核", comparison.unconnectedEndsWithManualCandidates], ["osm2streets 参考", comparison.osm2streetsAvailable ? comparison.osm2streetsRoadSurfaceFeatures : "无"]]; summary.innerHTML = ""; for (const [label, value] of rows) { const term = document.createElement("dt"); const detail = document.createElement("dd"); term.textContent = label; detail.textContent = value; summary.append(term, detail); } }
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form.onsubmit = (event) => { event.preventDefault(); const id = `道路:${selectedRoad.id}`; staged = staged.filter((item) => item.id !== id); staged.push({ id, kind: "road", roadId: selectedRoad.id, widthMeters: Number(widthInput.value), laneCount: Number(lanesInput.value), sidewalkLeft: leftInput.checked, sidewalkRight: rightInput.checked }); message("有未保存修改"); };
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saveButton.onclick = async () => { const existing = state.overrides.overrides.filter((item) => !staged.some((change) => change.id === item.id)); const response = await fetch("/api/overrides", { method: "POST", headers: { "Content-Type": "application/json" }, body: JSON.stringify({ schema: "native-road-overrides/v1", overrides: [...existing, ...staged] }) }); const result = await response.json(); if (!result.ok) return message(result.error); state.overrides = result.overrides; staged = []; message("已保存，点击“保存并重新生成”写入几何"); };
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compileButton.onclick = async () => { message("正在重新生成..."); const response = await fetch("/api/compile", { method: "POST" }); state = await response.json(); staged = []; updateSources(); renderDiagnostics(); renderSummary(); selectRoad(selectedRoad ? state.compiled.model.roads.find((road) => road.id === selectedRoad.id) : null); message("已重新生成"); };
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for (const input of document.querySelectorAll("[data-layer]")) input.onchange = () => { layers[input.dataset.layer].setVisible(input.checked); if (input.dataset.layer === "osm") layers.osmDirection.setVisible(input.checked); };
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fetch("/api/state").then((response) => response.json()).then((value) => { state = value; updateSources(); renderDiagnostics(); renderSummary(); areaLabel.textContent = state.areaId; message(`已加载 ${state.compiled.model.roads.length} 条方向道路`); }).catch((error) => message(error.message));
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