package com.se.nsl.service;
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import cn.hutool.core.collection.CollUtil;
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import cn.hutool.core.io.FileUtil;
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import cn.hutool.json.JSONUtil;
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import com.alibaba.fastjson.JSON;
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import com.se.nsl.config.PropertiesConfig;
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import com.se.nsl.domain.po.Rainfall;
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import com.se.nsl.domain.po.Simu;
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import com.se.nsl.domain.po.SimuData;
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import com.se.nsl.domain.vo.ConfigVo;
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import com.se.nsl.helper.ComHelper;
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import com.se.nsl.helper.StringHelper;
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import com.se.nsl.helper.WebHelper;
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import lombok.SneakyThrows;
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import lombok.extern.slf4j.Slf4j;
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import org.gdal.ogr.Geometry;
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import org.gdal.ogr.ogr;
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import org.springframework.stereotype.Service;
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import org.springframework.util.StringUtils;
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import javax.annotation.Resource;
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import java.io.File;
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import java.io.IOException;
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import java.math.BigDecimal;
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import java.math.RoundingMode;
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import java.nio.charset.StandardCharsets;
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import java.nio.file.Files;
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import java.nio.file.Paths;
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import java.nio.file.StandardCopyOption;
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import java.sql.Timestamp;
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import java.text.SimpleDateFormat;
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import java.util.*;
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import java.util.concurrent.ExecutorService;
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import java.util.concurrent.Executors;
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import java.util.stream.Collectors;
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@Slf4j
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@Service
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@SuppressWarnings("ALL")
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public class ResolveService {
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@Resource
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SimuService simuService;
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@Resource
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PropertiesConfig config;
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@Resource
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UwService uwService;
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@Resource
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TestService testService;
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Integer DIGIT = 1000000;
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SimpleDateFormat YYYYMDHM = new SimpleDateFormat("yyyy M d H m ");
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List<String> MODES = new ArrayList<>(Arrays.asList("正态分布", "平均分布", "波动平均分布", "持续上升"));
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public int start(Simu simu) {
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Date now = new Date();
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String date = StringHelper.YMDHMS2_FORMAT.format(now);
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// 将WKT转换为Geometry对象
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Geometry geom = Geometry.CreateFromWkt(simu.getGeom());
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if (geom.GetGeometryType() == ogr.wkbMultiPolygon) {
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geom = geom.GetGeometryRef(0);
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}
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double[] envelope = new double[4];
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geom.GetEnvelope(envelope);
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SimuData data = JSON.parseObject(simu.getData(), SimuData.class);
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data.setInPath(date);
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data.setOutPath(date);
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data.setEnvelope(envelope);
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data.setEpsg(config.getEpsg());
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simu.setData(JSON.toJSONString(data));
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simu.setServiceName(date);
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simu.setStatus(1); // 0-创建仿真，1-预处理，2-分析中，10-完成，20-出错
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simu.setUpdateTime(new Timestamp(now.getTime()));
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int rows = simuService.updateById(simu);
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if (rows > 0) {
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asyncCall(simu);
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}
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return rows;
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}
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private void asyncCall(Simu simu) {
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ExecutorService executor = Executors.newSingleThreadExecutor();
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executor.execute(new Runnable() {
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@Override
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@SneakyThrows
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public void run() {
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cope(simu);
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}
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});
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executor.shutdown();
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}
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private void cope(Simu simu) {
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try {
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SimuData data = JSONUtil.toBean(simu.getData(), SimuData.class);
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update(simu, 1, "初始化参数");
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initArgs(data);
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createRainfallFile(simu, data);
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update(simu, 2, "调用求解器");
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callUwSolver(data);
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update(simu, 3, "调用Zarr转Tif");
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callZarr2tif(data);
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update(simu, 4, "解析数据");
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createNsl(data);
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update(simu, 10, "完成");
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} catch (Exception ex) {
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log.error(ex.getMessage(), ex);
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update(simu, 20, ex.getMessage());
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}
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}
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private void update(Simu simu, int status, String rs) {
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simu.setStatus(status);
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if (null != rs) simu.setResult(rs);
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simu.setUpdateTime(WebHelper.getCurrentTimestamp());
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simuService.updateById(simu);
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}
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/**
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* 初始化参数
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*/
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private void initArgs(SimuData data) throws IOException {
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String inPath = config.getInPath() + File.separator + data.getInPath();
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createDir(inPath);
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createDir(inPath + File.separator + "depth");
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createDir(inPath + File.separator + "velocity");
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createDir(config.getOutPath() + File.separator + data.getOutPath());
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// 临时复制高程tif，以后需要自行切割
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File uwBat = new File(config.getUwSolverBat());
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String sourceTif = uwBat.getParent() + File.separator + "data" + File.separator + "Hillzone.tif";
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String targetTif = inPath + File.separator + config.getDemFile();
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Files.copy(Paths.get(sourceTif), Paths.get(targetTif), StandardCopyOption.REPLACE_EXISTING);
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}
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private void createDir(String path) {
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File f = new File(path);
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if (f.exists() && f.isDirectory()) {
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FileUtil.del(f);
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}
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f.mkdirs();
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}
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private void createRainfallFile(Simu simu, SimuData data) throws Exception {
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List<Rainfall> rainfalls = data.getRainfalls();
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if (null == rainfalls || rainfalls.size() < 2) createRainfall(simu);
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String dat = config.getInPath() + File.separator + "Rainfalls" + File.separator + simu.getId() + ".dat";
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String rainfallFile = config.getInPath() + File.separator + data.getInPath() + File.separator + "rainfall.dat";
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if (new File(dat).exists()) {
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Files.copy(Paths.get(dat), Paths.get(rainfallFile), StandardCopyOption.REPLACE_EXISTING);
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return;
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}
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List<String> list = new ArrayList<>();
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list.add(config.getRainfallTitle());
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double centerX = ComHelper.getMinVal((data.getMinx() + data.getMaxx()) / 2, DIGIT);
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double centerY = ComHelper.getMinVal((data.getMiny() + data.getMaxy()) / 2, DIGIT);
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String prefix = config.getRainfallSite() + " " + centerX + " " + centerY + " ";
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int unit = StringUtils.isEmpty(data.getIntensityUnit()) || "mm/h".equals(data.getIntensityUnit()) ? 60 : 5;
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int c = rainfalls.size() - 1;
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for (int i = 0; i < c; i++) {
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Rainfall r1 = rainfalls.get(i);
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Rainfall r2 = rainfalls.get(i + 1);
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list.addAll(calcRainfall(r1, r2, prefix, unit));
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}
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//list.add(prefix + YYYYMDHM.format(rainfalls.get(c).getTime()) + getMinVal(rainfalls.get(c).getIntensity() / unit, DIGIT));
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list.add(String.format("%s%s%f", prefix, YYYYMDHM.format(rainfalls.get(c).getTime()), getMinVal(rainfalls.get(c).getIntensity() / unit, DIGIT)));
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Files.write(Paths.get(rainfallFile), list, StandardCharsets.UTF_8);
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}
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public static double getMinVal(double val, double radix) {
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return ((long) Math.floor(val * radix)) / radix;
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}
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// beijing 116.0 40.0 2025 1 1 0 13 1.666666
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private List<String> calcRainfall(Rainfall r1, Rainfall r2, String prefix, int unit) {
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long mins = Math.abs(r2.getTime().getTime() - r1.getTime().getTime()) / (1000 * 60); // 计算分钟数
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double diff = (r2.getIntensity() - r1.getIntensity()) / mins / unit; //ComHelper.getMinVal((r1.getIntensity() - r2.getIntensity()) / mins / unit, DIGIT);
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Calendar cal = Calendar.getInstance();
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cal.setTime(r1.getTime());
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List<String> list = new ArrayList<>();
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double intensity = ComHelper.getMinVal(r1.getIntensity() / unit, DIGIT);
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for (int i = 0; i < mins; i++) {
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//list.add(prefix + YYYYMDHM.format(cal.getTime()) + getMinVal((intensity + diff * i), DIGIT));
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list.add(String.format("%s%s%f", prefix, YYYYMDHM.format(cal.getTime()), getMinVal((intensity + diff * i), DIGIT)));
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cal.add(Calendar.MINUTE, 1);
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}
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return list;
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}
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/**
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* 调用UWSolver
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*/
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private String callUwSolver(SimuData data) throws Exception {
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File uwBat = new File(config.getUwSolverBat());
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int duration = 3600 * data.getDuration(); // 秒数
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if (null != data.getRainfalls() && data.getRainfalls().size() > 1) {
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duration = (int) (Math.abs(data.getRainfalls().get(data.getRainfalls().size() - 1).getTime().getTime() - data.getRainfalls().get(0).getTime().getTime()) / 60);
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}
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String inPath = config.getInPath() + File.separator + data.getInPath();
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String terrainFile = (inPath + File.separator + config.getDemFile()).replace("\\", "/");
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String rainfallFile = (inPath + File.separator + "rainfall.dat").replace("\\", "/");
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ConfigVo vo = new ConfigVo(duration, config.getSaveFrames(), terrainFile, terrainFile, terrainFile, rainfallFile);
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String configFile = config.getInPath() + File.separator + data.getInPath() + File.separator + data.getInPath() + ".json";
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ComHelper.writeJson(configFile, JSON.toJSONString(vo));
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String cmd = String.format("%s %s", config.getUwSolverBat(), configFile);
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return callBat(cmd);
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}
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/**
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* 调用zarr2tif
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*/
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private String callZarr2tif(SimuData data) throws Exception {
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String zarr2tifBat = config.getZarr2tifBat();
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File dir = new File(zarr2tifBat).getParentFile();
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String configJson = new File(dir, "config.json").getAbsolutePath();
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String cmd = String.format("%s \"%s\"", zarr2tifBat, configJson);
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String res = callBat(cmd);
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File resultTifDir = new File(dir, "result_tif");
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File targetDir = new File(config.getInPath(), data.getInPath() + File.separator + "depth");
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System.out.println("targetDir:" + targetDir);
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File[] files = resultTifDir.listFiles();
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for (File file : files) {
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File target = new File(targetDir, file.getName());
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Files.copy(file.toPath(), target.toPath());
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}
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return res;
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}
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/*private String callZarr2tif(SimuData data) throws Exception {
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File uwBat = new File(config.getUwSolverBat());
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String zarrFile = uwBat.getParent() + File.separator + "result.zarr";
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String inPath = config.getInPath() + File.separator + data.getInPath();
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String terrainFile = inPath + File.separator + config.getDemFile();
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String waterPath = inPath + File.separator + "depth";
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String cmd = String.format("%s \"%s\" \"%s\" \"%s\" \"%s\"", config.getZarr2tifBat(), "depth", zarrFile, terrainFile, waterPath);
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return callBat(cmd);
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}*/
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private String callBat(String cmd) {
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try {
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ProcessBuilder pb = new ProcessBuilder("cmd", "/c", cmd);
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pb.redirectErrorStream(true); // 合并错误流到标准输出
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Process process = pb.start();
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process.getOutputStream().close();
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/*StringBuilder sb = new StringBuilder();
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try (BufferedReader reader = new BufferedReader(new InputStreamReader(process.getInputStream(), "GBK"))) {
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String line;
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while ((line = reader.readLine()) != null) {
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System.out.println(line);
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sb.append(line);
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}
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}*/
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int exitCode = process.waitFor();
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return "ok"; // sb.toString();
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} catch (Exception ex) {
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log.error(ex.getMessage(), ex);
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return null;
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}
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}
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private void createNsl(SimuData data) throws Exception {
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String inPath = config.getInPath() + File.separator + data.getInPath() + File.separator + "depth";
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procTifs(inPath, inPath, data.getStartTime());
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testService.test(data);
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}
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private void procTifs(String tifPath, String outPath, Date startTime) {
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SimpleDateFormat df = new SimpleDateFormat("yyyyMMddHHmmss");
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Calendar calendar = Calendar.getInstance();
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calendar.setTime(startTime);
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for (File file : new File(tifPath).listFiles()) {
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if (!file.exists() || !file.isDirectory()) continue;
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File tif = new File(tifPath + "\\" + file.getName() + File.separator + "depth.tif");
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if (!tif.exists() || tif.isDirectory()) continue;
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calendar.add(Calendar.SECOND, 1);
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String newName = df.format(calendar.getTime());
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String newFile = outPath + File.separator + newName + ".tif";
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System.out.println(newFile);
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tif.renameTo(new File(newFile));
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file.delete();
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}
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}
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public String createRainfallCsv(String csvPath, String mode, double total, double intensity, int hours) {
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// python 脚本名.py <参数1-csv文件名> <参数2-降雨模式:正态分布|平均分布|波动平均分布|持续上升> <参数3-降雨总量> <参数4-最大雨强> <参数5-降雨时间(分钟)>
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String cmd = String.format("%s \"%s\" \"%s\" %f %f %d", config.getCreateRainfall(), csvPath, mode, total, intensity, hours * 60);
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return callBat(cmd);
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}
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public void createRainfall(Simu simu) throws Exception {
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SimuData data = JSON.parseObject(simu.getData(), SimuData.class);
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if (null == data.getMode() || MODES.contains(data.getMode())) data.setMode(MODES.get(0));
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if (StringUtils.isEmpty(data.getIntensityUnit())) data.setIntensityUnit("mm/h");
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Geometry geom = Geometry.CreateFromWkt(simu.getGeom());
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if (geom.GetGeometryType() == ogr.wkbMultiPolygon) geom = geom.GetGeometryRef(0);
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double[] envelope = new double[4];
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geom.GetEnvelope(envelope);
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data.setEnvelope(envelope);
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data.setEpsg(config.getEpsg());
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String basePath = config.getInPath() + File.separator + "Rainfalls";
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if (!new File(basePath).exists()) new File(basePath).mkdirs();
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if (null == simu.getCreateTime()) simu.setCreateTime(new Timestamp(new Date().getTime()));
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String csvPath = basePath + File.separator + simu.getId() + ".csv";
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int unit = StringUtils.isEmpty(data.getIntensityUnit()) || "mm/h".equals(data.getIntensityUnit()) ? 60 : 5;
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createRainfallCsv(csvPath, data.getMode(), data.getTotal(), data.getIntensity() / unit, data.getDuration());
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List<Double> list = getValues(csvPath);
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if (!CollUtil.isEmpty(list)) {
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data.setRainfalls(new ArrayList<>());
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setRainfalls(simu, data, list);
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}
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simu.setData(JSON.toJSONString(data));
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}
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private List<Double> getValues(String csvPath) throws Exception {
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if (!new File(csvPath).exists()) return null;
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List<String> list = Files.readAllLines(Paths.get(csvPath));
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list.remove(0);
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//list.remove(list.size() - 1);
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return list.stream()
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.map(s -> new BigDecimal(s).setScale(6, RoundingMode.HALF_DOWN).doubleValue())
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.collect(Collectors.toList());
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}
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private void setRainfalls(Simu simu, SimuData data, List<Double> vals) throws Exception {
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String basePath = config.getInPath() + File.separator + "Rainfalls";
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String dat = basePath + File.separator + simu.getId() + ".dat";
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Calendar cal = Calendar.getInstance();
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cal.setTime(data.getStartTime());
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List<String> list = new ArrayList<>();
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list.add(config.getRainfallTitle());
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double centerX = ComHelper.getMinVal((data.getMinx() + data.getMaxx()) / 2, DIGIT);
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double centerY = ComHelper.getMinVal((data.getMiny() + data.getMaxy()) / 2, DIGIT);
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String prefix = config.getRainfallSite() + " " + centerX + " " + centerY + " ";
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Double total = 0.0;
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for (int i = 0, c = vals.size(); i < c; i++) {
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total += vals.get(i);
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if (i % 15 == 0) {
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data.getRainfalls().add(new Rainfall(cal.getTime(), vals.get(i), total));
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}
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list.add(String.format("%s%s%f", prefix, YYYYMDHM.format(cal.getTime()), vals.get(i)));
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cal.add(Calendar.MINUTE, 1);
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}
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Files.write(Paths.get(dat), list, StandardCharsets.UTF_8);
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}
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}
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