node_util/index/pipeline/guanxian_paishui.js

const fs = require('fs');
const turf = require('@turf/turf');
const parse = require('wellknown');

const wuShuiColor = "#628DB6";
const wuShuiCircle = 500001;
const wuShuiFang = 500003;


const fangGuan=12010001;
const yuanGuan=310000;

const scaleYuan=3.1;
const scaleFang=1;

const yuanDefault=2.3;


function readLineFile(inFilePath, outFilePath) {
    try {
        // 同步读取GeoJSON文件
        const data = fs.readFileSync(inFilePath, 'utf8');

        // 解析GeoJSON数据
        const geojson = JSON.parse(data);
        for (let i = 0; i < geojson.features.length; i++) {
            geojson.features[i].geometry.coordinates[0][0][2]=geojson.features[i].geometry.coordinates[0][0][2]-0.5
            let feature = geojson.features[i];
            if (geojson.features[i].properties["排口断"] !== null &&
                geojson.features[i].properties["排口断"].includes("×")) {
                // 方管
                geojson.features[i].properties["符号风格"] = fangGuan
                geojson.features[i].properties["符号颜色"] = wuShuiColor
                let ll = geojson.features[i].properties["排口断"].split("×")
                geojson.features[i].properties["x长"] = Number(ll[0]) / 1000
                geojson.features[i].properties["x宽"] = Number(ll[1]) / 1000
            } else {
                // 圆管
                geojson.features[i].properties["符号风格"] = yuanGuan
                geojson.features[i].properties["符号颜色"] = wuShuiColor
                geojson.features[i].properties["x长"] = Number(geojson.features[i].properties["排口断"]) / 2 / 1000
                geojson.features[i].properties["x宽"] = Number(geojson.features[i].properties["排口断"]) / 2 / 1000
            }
        }

        // 同步写入GeoJSON文件
        fs.writeFileSync(outFilePath, JSON.stringify(geojson, null, 2));
        console.log('GeoJSON文件已成功保存');
    } catch (err) {
        console.error('操作GeoJSON文件时出错:', err);
    }
}


readLineFile("./data/guanxian/雨水/原始数据/排水口_L.geojson", "./data/guanxian/雨水/符号字段/排水口_L.geojson");