完成时间轴前后端数据连通

This commit is contained in:
JIANG
2025-10-10 15:12:23 +08:00
parent 5d54ad11d4
commit fa0970bd79
13 changed files with 416 additions and 285 deletions

View File

@@ -24,7 +24,24 @@ import { bearing } from "@turf/turf";
import { Deck } from "@deck.gl/core";
import { TextLayer } from "@deck.gl/layers";
import { TripsLayer } from "@deck.gl/geo-layers";
import { tr } from "date-fns/locale";
interface MapComponentProps {
children?: React.ReactNode;
}
interface DataContextType {
junctionData: any[];
pipeData: any[];
setJunctionDataState: React.Dispatch<React.SetStateAction<any[]>>;
setPipeDataState: React.Dispatch<React.SetStateAction<any[]>>;
showJunctionText?: boolean; // 是否显示节点文本
showPipeText?: boolean; // 是否显示管道文本
setShowJunctionText?: React.Dispatch<React.SetStateAction<boolean>>;
setShowPipeText?: React.Dispatch<React.SetStateAction<boolean>>;
junctionText: string;
pipeText: string;
setJunctionText?: React.Dispatch<React.SetStateAction<string>>;
setPipeText?: React.Dispatch<React.SetStateAction<string>>;
}
// 创建自定义Layer类来包装deck.gl
class DeckLayer extends Layer {
@@ -50,8 +67,9 @@ class DeckLayer extends Layer {
}
// 跨组件传递
const MapContext = createContext<OlMap | undefined>(undefined);
const DataContext = createContext<DataContextType | undefined>(undefined);
const extent = config.mapExtent;
const backendUrl = config.backendUrl;
const mapUrl = config.mapUrl;
// 添加防抖函数
@@ -69,16 +87,15 @@ function debounce<F extends (...args: any[]) => any>(func: F, waitFor: number) {
export const useMap = () => {
return useContext(MapContext);
};
export const useData = () => {
return useContext(DataContext);
};
const MapComponent: React.FC = () => {
const MapComponent: React.FC<MapComponentProps> = ({ children }) => {
const mapRef = useRef<HTMLDivElement | null>(null);
const deckRef = useRef<Deck | null>(null);
const [map, setMap] = useState<OlMap>();
const [currentTime, setCurrentTime] = useState(
new Date("2025-09-17T00:30:00+08:00")
);
const intervalRef = useRef<NodeJS.Timeout | null>(null);
const [junctionData, setJunctionDataState] = useState<any[]>([]);
const [pipeData, setPipeDataState] = useState<any[]>([]);
const junctionDataIds = useRef(new Set<string>());
@@ -86,12 +103,11 @@ const MapComponent: React.FC = () => {
const tileJunctionDataBuffer = useRef<any[]>([]);
const tilePipeDataBuffer = useRef<any[]>([]);
let showJunctionText = true; // 控制节点文本显示
let showPipeText = true; // 控制管道文本显示
let junctionText = "pressure";
let pipeText = "flow";
let animate = false; // 控制是否动画
const isAnimating = useRef(false); // 添加动画控制标志
const [showJunctionText, setShowJunctionText] = useState(false); // 控制节点文本显示
const [showPipeText, setShowPipeText] = useState(false); // 控制管道文本显示
const [junctionText, setJunctionText] = useState("");
const [pipeText, setPipeText] = useState("");
const flowAnimation = useRef(true); // 添加动画控制标志
const [currentZoom, setCurrentZoom] = useState(12); // 当前缩放级别
// 防抖更新函数
const debouncedUpdateData = useRef(
@@ -134,80 +150,6 @@ const MapComponent: React.FC = () => {
}
};
const setFrameData = async (queryTime: Date) => {
const query_time = queryTime.toISOString();
console.log("Query Time:", query_time);
try {
// 定义需要查询的属性
const junctionProperties = junctionText;
const pipeProperties = pipeText;
// 同时查询节点和管道数据
const starttime = Date.now();
const [nodeResponse, linkResponse] = await Promise.all([
fetch(
`${backendUrl}/queryallrecordsbytimeproperty/?querytime=${query_time}&type=node&property=${junctionProperties}`
),
fetch(
`${backendUrl}/queryallrecordsbytimeproperty/?querytime=${query_time}&type=link&property=${pipeProperties}`
),
]);
const nodeRecords = await nodeResponse.json();
const linkRecords = await linkResponse.json();
// 将 nodeRecords 转换为 Map 以提高查找效率
const nodeMap: Map<string, any> = new Map(
nodeRecords.results.map((r: any) => [r.ID, r])
);
// 将 linkRecords 转换为 Map 以提高查找效率
const linkMap: Map<string, any> = new Map(
linkRecords.results.map((r: any) => [r.ID, r])
);
// 更新junctionData
setJunctionDataState((prev) =>
prev.map((j) => {
const record = nodeMap.get(j.id);
if (record) {
return {
...j,
[junctionProperties]: record.value,
};
}
return j;
})
);
// 更新pipeData
setPipeDataState((prev) =>
prev.map((p) => {
const record = linkMap.get(p.id);
if (record) {
return {
...p,
flowFlag: pipeProperties === "flow" && record.value < 0 ? -1 : 1,
path:
pipeProperties === "flow" && record.value < 0 && p.flowFlag > 0
? [...p.path].reverse()
: p.path,
[pipeProperties]: record.value,
};
}
return p;
})
);
// 属性为 flow 时启动动画
if (pipeProperties === "flow" && animate) {
isAnimating.current = true;
} else {
isAnimating.current = false;
}
const endtime = Date.now();
console.log("Data fetch and update time:", endtime - starttime, "ms");
} catch (error) {
console.error("Error fetching data:", error);
}
};
useEffect(() => {
if (!mapRef.current) return;
// 添加 MVT 瓦片加载逻辑
@@ -361,8 +303,12 @@ const MapComponent: React.FC = () => {
value: "junctions",
type: "point",
properties: [
{ name: "需求量", value: "demand" },
{ name: "海拔高度", value: "elevation" },
// { name: "需求量", value: "demand" },
// { name: "海拔高度", value: "elevation" },
{ name: "实际需求量", value: "actualdemand" },
{ name: "水头", value: "head" },
{ name: "压力", value: "pressure" },
{ name: "水质", value: "quality" },
],
},
});
@@ -378,9 +324,17 @@ const MapComponent: React.FC = () => {
value: "pipes",
type: "linestring",
properties: [
{ name: "直径", value: "diameter" },
{ name: "粗糙度", value: "roughness" },
{ name: "局部损失", value: "minor_loss" },
// { name: "直径", value: "diameter" },
// { name: "粗糙度", value: "roughness" },
// { name: "局部损失", value: "minor_loss" },
{ name: "流量", value: "flow" },
{ name: "摩阻系数", value: "friction" },
{ name: "水头损失", value: "headloss" },
{ name: "水质", value: "quality" },
{ name: "反应速率", value: "reaction" },
{ name: "设置值", value: "setting" },
{ name: "状态", value: "status" },
{ name: "流速", value: "velocity" },
],
},
});
@@ -436,7 +390,7 @@ const MapComponent: React.FC = () => {
const newLayers = [
new TextLayer({
id: "junctionTextLayer",
zIndex: 1000,
zIndex: 10,
data: showJunctionText ? junctionData : [],
getPosition: (d: any) => d.position,
fontFamily: "Monaco, monospace",
@@ -456,7 +410,7 @@ const MapComponent: React.FC = () => {
}),
new TextLayer({
id: "pipeTextLayer",
zIndex: 1000,
zIndex: 10,
data: showPipeText ? pipeData : [],
getPosition: (d: any) => d.position,
fontFamily: "Monaco, monospace",
@@ -479,7 +433,7 @@ const MapComponent: React.FC = () => {
// 动画循环
const animate = () => {
if (!deck || !isAnimating.current) return; // 添加检查,防止空数据或停止旧循环
if (!deck || !flowAnimation.current) return; // 添加检查,防止空数据或停止旧循环
// 动画总时长(秒)
if (pipeData.length === 0) {
requestAnimationFrame(animate);
@@ -496,7 +450,7 @@ const MapComponent: React.FC = () => {
const waterflowLayer = new TripsLayer({
id: "waterflowLayer",
data: pipeData,
getPath: (d) => (isAnimating.current ? d.path : []),
getPath: (d) => (flowAnimation.current ? d.path : []),
getTimestamps: (d) => {
return d.timestamps; // 这些应该是与 currentTime 匹配的数值
},
@@ -522,35 +476,31 @@ const MapComponent: React.FC = () => {
requestAnimationFrame(animate);
};
animate();
}, [isAnimating, junctionData, pipeData]);
// 启动时间更新interval
useEffect(() => {
intervalRef.current = setInterval(() => {
setCurrentTime((prev) => new Date(prev.getTime() + 1800 * 1000));
}, 10 * 1000);
return () => {
if (intervalRef.current) clearInterval(intervalRef.current);
};
}, []);
// 当currentTime改变时获取数据
useEffect(() => {
const fetchData = async () => {
await setFrameData(currentTime);
};
fetchData();
}, [currentTime]);
}, [flowAnimation, junctionData, pipeData]);
return (
<>
<MapContext.Provider value={map}>
<div className="relative w-full h-full">
<div ref={mapRef} className="w-full h-full"></div>
<MapTools />
</div>
<canvas id="deck-canvas" />
</MapContext.Provider>
<DataContext.Provider
value={{
junctionData,
pipeData,
setJunctionDataState,
setPipeDataState,
showJunctionText,
showPipeText,
junctionText,
pipeText,
}}
>
<MapContext.Provider value={map}>
<div className="relative w-full h-full">
<div ref={mapRef} className="w-full h-full"></div>
<MapTools />
{children}
</div>
<canvas id="deck-canvas" />
</MapContext.Provider>
</DataContext.Provider>
</>
);
};