From 495292b588949bcb2cb15eaa9657619aca7f5579 Mon Sep 17 00:00:00 2001
From: 13693261870 <252740454@qq.com>
Date: 星期三, 30 十月 2024 16:18:41 +0800
Subject: [PATCH] 修改降雨文件的jar

---
 src/main/java/com/se/simu/service/ResultService.java |  532 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++--
 1 files changed, 510 insertions(+), 22 deletions(-)

diff --git a/src/main/java/com/se/simu/service/ResultService.java b/src/main/java/com/se/simu/service/ResultService.java
index 4db3d07..f7796cb 100644
--- a/src/main/java/com/se/simu/service/ResultService.java
+++ b/src/main/java/com/se/simu/service/ResultService.java
@@ -1,14 +1,34 @@
 package com.se.simu.service;
 
 import cn.hutool.core.io.FileUtil;
+import com.alibaba.fastjson.JSON;
 import com.se.simu.config.PropertiesConfig;
+import com.se.simu.domain.dto.BuildingDto;
+import com.se.simu.domain.dto.ExtensionDto;
 import com.se.simu.domain.dto.LayerDto;
 import com.se.simu.domain.dto.ResultDto;
+import com.se.simu.domain.po.DataPo;
+import com.se.simu.helper.GdalHelper;
 import lombok.extern.slf4j.Slf4j;
+import org.gdal.gdal.Band;
+import org.gdal.gdal.Dataset;
+import org.gdal.gdal.WarpOptions;
+import org.gdal.gdal.gdal;
+import org.gdal.gdalconst.gdalconst;
+import org.gdal.ogr.*;
 import org.springframework.stereotype.Service;
 
 import javax.annotation.Resource;
-import java.io.File;
+import javax.imageio.ImageIO;
+import java.awt.*;
+import java.awt.image.BufferedImage;
+import java.io.*;
+import java.math.BigDecimal;
+import java.math.RoundingMode;
+import java.text.ParseException;
+import java.text.SimpleDateFormat;
+import java.util.*;
+import java.util.List;
 
 /**
  * 澶勭悊缁撴灉鏈嶅姟绫�
@@ -23,17 +43,29 @@
     @Resource
     PropertiesConfig config;
 
-    public final static double MAX_X_OFFSET = 0.002;
+    public final static double MAX_X_OFFSET = 0;
 
-    public void process(ResultDto dto) {
+    public void process(DataPo data) throws Exception {
+        String basePath = config.getInPath() + File.separator + data.getInPath() + File.separator;
+        ResultDto dto = new ResultDto(
+                data.getInPath(),
+                basePath + config.getTerrainFile(),
+                basePath + config.getBuildingFile(),
+                basePath + config.getWaterPath(),
+                basePath + config.getFlowPath(),
+                config.getOutPath());
+        LayerDto layer = new LayerDto(config.getVer(), data.getEpsg(), config.getSizes());
+        process(dto, layer);
+    }
+
+    private void process(ResultDto dto, LayerDto layer) throws Exception {
         try {
-            LayerDto layer = new LayerDto(config.getVer());
-
             copeTerrain(dto, layer);
             copeBuilding(dto, layer);
             copeWater(dto, layer);
             copeFlow(dto, layer);
             copeLayerJson(dto, layer);
+            copeRainFallJson(dto, layer);
         } finally {
             File dir = new File(dto.getTemp());
             if (dir.exists()) {
@@ -42,37 +74,493 @@
         }
     }
 
+    /**
+     * 鍦板舰
+     */
     private void copeTerrain(ResultDto dto, LayerDto layer) {
-        //
+        Dataset ds = null;
+        try {
+            ds = gdal.Open(dto.getTerrainFile(), gdalconst.GA_ReadOnly);
+            if (null == ds || 0 == ds.getRasterCount()) return;
+
+            setTerrainInfo(ds, layer);
+            setWaterInfo(dto, layer);
+            createTerrainPng(dto, ds, layer);
+        } finally {
+            if (null != ds) ds.delete();
+        }
     }
 
+    private void setTerrainInfo(Dataset ds, LayerDto layer) {
+        Geometry minPoint = GdalHelper.getMinPoint(ds);
+        Geometry maxPoint = GdalHelper.getMaxPoint(ds);
+        double minx = getMinVal(minPoint.GetX(0), 10000000);
+        double miny = getMinVal(minPoint.GetY(0), 10000000);
+        double maxx = getMaxVal(maxPoint.GetX(0) + MAX_X_OFFSET, 10000000);
+        double maxy = getMaxVal(maxPoint.GetY(0), 10000000);
+        layer.setExtension(new ExtensionDto(minx, miny, maxx, maxy, Double.MAX_VALUE, Double.MIN_VALUE));
+
+        Band band = ds.GetRasterBand(1);
+        double[] mm = new double[2];
+        band.ComputeRasterMinMax(mm, 0);
+        layer.getTerrain().setHeight(getMinVal(mm[0], 1000), getMaxVal(mm[1], 1000));
+    }
+
+    private static double getMinVal(double val, double radix) {
+        return ((long) Math.floor(val * radix)) / radix;
+    }
+
+    private static double getMaxVal(double val, double radix) {
+        return ((long) Math.ceil(val * radix)) / radix;
+    }
+
+    private void createTerrainPng(ResultDto dto, Dataset ds, LayerDto layer) {
+        String terrainPath = dto.getOutPath() + File.separator + "terrain";
+        File f = new File(terrainPath);
+        if (!f.exists() || !f.isDirectory()) f.mkdirs();
+
+        for (int[] sizes : layer.getTerrain().getSize()) {
+            String tif = dto.getTemp() + File.separator + "terrain_" + sizes[0] + "_" + sizes[1] + ".tif";
+            Resample(ds, tif, sizes[0], sizes[1], layer);
+            if (!new File(tif).exists()) continue;
+
+            String png = terrainPath + File.separator + sizes[0] + "_" + sizes[1] + ".png";
+            Terrain2Png(layer, tif, png, sizes[0], sizes[1]);
+        }
+    }
+
+    /**
+     * 閲嶉噰鏍�
+     */
+    private static void Resample(Dataset ds, String dest, int width, int height, LayerDto layer) {
+        Vector<String> vector = new Vector<>();
+        //vector.add("-s_srs");
+        //vector.add("EPSG:" + 4548);
+        //vector.add("-t_srs");
+        //vector.add("EPSG:" + 4326);
+        vector.add("-ts");
+        vector.add("" + width);
+        vector.add("" + height);
+        //vector.add("-te");
+        //vector.add("" + layer.getExtension().getMinx());
+        //vector.add("" + layer.getExtension().getMiny());
+        //vector.add("" + layer.getExtension().getMaxx());
+        //vector.add("" + layer.getExtension().getMaxy());
+        //vector.add("-te_srs");
+        //vector.add("EPSG:" + 4326);
+        vector.add("-r");
+        vector.add("bilinear");
+        vector.add("-of");
+        vector.add("GTiff");
+        WarpOptions warpOptions = new WarpOptions(vector);
+
+        Dataset destDs = gdal.Warp(dest, new Dataset[]{ds}, warpOptions);
+        destDs.delete();
+    }
+
+    private static void Terrain2Png(LayerDto layer, String tif, String png, int width, int height) {
+        Dataset ds = null;
+        try {
+            ds = gdal.Open(tif, gdalconst.GA_ReadOnly);
+            if (null == ds || 0 == ds.getRasterCount()) return;
+
+            Band band = ds.GetRasterBand(1);
+            float[] buffer = new float[width * height];
+            //band.ReadRaster(0, 0, width, height, buffer, width, height, 0, 0);
+            band.ReadRaster(0, 0, width, height, buffer);
+
+            BufferedImage image = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);
+            double differ = layer.getExtension().getMaxHeight() - layer.getExtension().getMinHeight(), minHeight = layer.getExtension().getMinHeight();
+            for (int x = 0; x < width; x++) {
+                for (int y = 0; y < height; y++) {
+                    int offset = x + y * width;
+                    if (Float.isNaN(buffer[offset]) || buffer[offset] < -999 || buffer[offset] < minHeight) continue;
+
+                    int r = 0, g, b;
+                    if (buffer[offset] - layer.getExtension().getMaxHeight() > 0) {
+                        g = b = 255;
+                    } else {
+                        int val = (int) ((buffer[offset] - minHeight) / differ * 65535);
+                        g = val / 256;
+                        b = val % 256;
+                    }
+
+                    Color color = new Color(r, g, b, 127);
+                    //graphic.drawImage(image, x, y, 1, 1, color, null);
+                    image.setRGB(x, y, color.getRGB());
+                }
+            }
+            savePng(image, png);
+        } finally {
+            if (null != ds) ds.delete();
+        }
+    }
+
+    private static BufferedImage createImage(int width, int height) {
+        BufferedImage image = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);
+        Graphics2D graphic = image.createGraphics();
+        Color transparent = new Color(0, 0, 0, 0);
+        graphic.setColor(transparent);
+        graphic.clearRect(0, 0, width, height);
+        graphic.dispose();
+
+        return image;
+    }
+
+    private static void savePng(BufferedImage image, String png) {
+        try {
+            ImageIO.write(image, "png", new File(png));
+        } catch (Exception ex) {
+            log.error(ex.getMessage(), ex);
+        }
+    }
+
+    /**
+     * 寤虹瓚
+     */
     private void copeBuilding(ResultDto dto, LayerDto layer) {
-        //
+        Driver driver = null;
+        DataSource dataSource = null;
+        Layer shpLayer = null;
+        try {
+            driver = ogr.GetDriverByName("ESRI shapefile");
+            if (null == driver) return;
+
+            dataSource = driver.Open(dto.getBuildingFile());
+            if (null == dataSource) return;
+
+            shpLayer = dataSource.GetLayer(0);
+            if (shpLayer.GetFeatureCount() < 1) return;
+
+            do {
+                Feature f = shpLayer.GetNextFeature();
+                if (null == f) break;
+
+                String id = f.GetFieldAsString(config.getBuildingKey());
+                BuildingDto building = new BuildingDto(id, f.GetGeometryRef());
+                dto.getBuildingList().add(building);
+            } while (true);
+        } finally {
+            if (null != shpLayer) shpLayer.delete();
+            if (null != dataSource) dataSource.delete();
+            if (null != driver) driver.delete();
+        }
+    }
+
+    /**
+     * 姘撮潰
+     */
+    private void setWaterInfo(ResultDto dto, LayerDto layer) {
+        List<String> files = getFiles(dto.getWaterPath(), ".tif");
+        layer.getWaters().setFiles(files);
+        if (null == files || files.size() == 0) return;
+
+        setWaterData(layer, files);
+        setWaterHeight(layer, files);
     }
 
     private void copeWater(ResultDto dto, LayerDto layer) {
-        //
+        List<String> files = layer.getWaters().getFiles();
+        if (files.size() == 0 || files.size() != layer.getWaters().getData().size()) return;
+
+        processWaters(dto, files, layer);
+    }
+
+    private static List<String> getFiles(String path, String suffix) {
+        List<String> files = new ArrayList<>();
+        getFiles(files, new File(path), suffix);
+        files.sort((a, b) -> a.compareToIgnoreCase(b));
+
+        return files;
+    }
+
+    private static void getFiles(List<String> files, File file, String suffix) {
+        if (!file.exists()) return;
+
+        if (file.isDirectory()) {
+            File[] fileList = file.listFiles();
+            for (File f : fileList) {
+                if (f.isDirectory()) {
+                    getFiles(files, f, suffix);
+                } else {
+                    if (f.getName().toLowerCase().endsWith(suffix)) {
+                        files.add(f.getPath());
+                    }
+                }
+            }
+        } else {
+            if (file.getName().toLowerCase().endsWith(suffix)) {
+                files.add(file.getPath());
+            }
+        }
+    }
+
+    private static void setWaterData(LayerDto layer, List<String> files) {
+        Calendar calendar = Calendar.getInstance();
+        calendar.setTime(new Date());
+        calendar.set(Calendar.MILLISECOND, 0);
+
+        for (String file : files) {
+            String fileName = getNameWithExt(file);
+            int year = Integer.parseInt(fileName.substring(0, 4));
+            int month = Integer.parseInt(fileName.substring(4, 6));
+            int day = Integer.parseInt(fileName.substring(6, 8));
+            int hour = Integer.parseInt(fileName.substring(8, 10));
+            int minute = Integer.parseInt(fileName.substring(10, 12));
+            int second = Integer.parseInt(fileName.substring(12, 14));
+
+            calendar.set(Calendar.YEAR, year);
+            calendar.set(Calendar.MONTH, month);
+            calendar.set(Calendar.DAY_OF_MONTH, day);
+            calendar.set(Calendar.HOUR_OF_DAY, hour);
+            calendar.set(Calendar.MINUTE, minute);
+            calendar.set(Calendar.SECOND, second);
+
+            layer.getWaters().getData().add(calendar.getTime().getTime());
+        }
+        layer.getDuration().setStart(layer.getWaters().getData().get(0));
+        layer.getDuration().setEnd(layer.getWaters().getData().get(layer.getWaters().getData().size() - 1));
+    }
+
+    private static void setWaterHeight(LayerDto layer, List<String> files) {
+        files.parallelStream().forEach(file -> {
+            Dataset ds = null;
+            try {
+                ds = gdal.Open(file, gdalconst.GA_ReadOnly);
+                if (null == ds || 0 == ds.getRasterCount()) return;
+
+                double[] mm = new double[2];
+                ds.GetRasterBand(1).ComputeRasterMinMax(mm, 0);
+                layer.getExtension().setHeight(mm[0], mm[1]);
+            } finally {
+                if (null != ds) ds.delete();
+            }
+        });
+        layer.getExtension().setMinHeight(getMinVal(layer.getExtension().getMinHeight() - 1, 1000));
+        layer.getExtension().setMaxHeight(getMaxVal(layer.getExtension().getMaxHeight() + 1, 1000));
+    }
+
+    private static void processWaters(ResultDto dto, List<String> files, LayerDto layer) {
+        for (int i = 0, c = files.size(); i < c; i++) {
+            Dataset ds = null;
+            try {
+                ds = gdal.Open(files.get(i), gdalconst.GA_ReadOnly);
+                if (null == ds || 0 == ds.getRasterCount()) return;
+
+                createWaterPng(dto, ds, layer, layer.getWaters().getData().get(i));
+            } finally {
+                if (null != ds) ds.delete();
+            }
+        }
+    }
+
+    private static void createWaterPng(ResultDto dto, Dataset ds, LayerDto layer, long ticks) {
+        String waterPath = dto.getOutPath() + File.separator + "waters" + File.separator + ticks;
+        File dir = new File(waterPath);
+        if (!dir.exists() || !dir.isDirectory()) dir.mkdirs();
+
+        for (int[] sizes : layer.getTerrain().getSize()) {
+            String fileName = getNameWithExt(ds.GetDescription()) + "_" + sizes[0] + "_" + sizes[1];
+            String tif = dto.getTemp() + File.separator + fileName + ".tif";
+            Resample(ds, tif, sizes[0], sizes[1], layer);
+            if (!new File(tif).exists()) continue;
+
+            String png = waterPath + File.separator + sizes[0] + "_" + sizes[1] + ".png";
+            water2Png(dto, layer, tif, png, sizes[0], sizes[1]);
+        }
+    }
+
+    private static String getNameWithExt(String file) {
+        return file.substring(file.lastIndexOf(File.separator) + 1, file.lastIndexOf("."));
+    }
+
+    private static void water2Png(ResultDto dto, LayerDto layer, String tif, String png, int width, int height) {
+        Dataset ds = null;
+        try {
+            ds = gdal.Open(tif, gdalconst.GA_ReadOnly);
+            if (null == ds || 0 == ds.getRasterCount()) return;
+
+            Band band = ds.GetRasterBand(1);
+            float[] buffer = new float[width * height];
+            band.ReadRaster(0, 0, width, height, buffer);
+            double[] transform = ds.GetGeoTransform();
+
+            BufferedImage image = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);
+            double differ = layer.getExtension().getMaxHeight() - layer.getExtension().getMinHeight(), minHeight = layer.getExtension().getMinHeight();
+            for (int x = 0; x < width; x++) {
+                for (int y = 0; y < height; y++) {
+                    int offset = x + y * width;
+                    if (Float.isNaN(buffer[offset]) || buffer[offset] < -999 || buffer[offset] < minHeight) continue;
+
+                    double X = transform[0] + x * transform[1] + y * transform[2];
+                    double Y = transform[3] + x * transform[4] + y * transform[5];
+                    //BuildingDto building = intersects(dto, X, Y);
+                    //if (null != building) continue;
+
+                    int r = 0, g, b;
+                    if (buffer[offset] - layer.getExtension().getMaxHeight() > 0) {
+                        g = b = 255;
+                    } else {
+                        int val = (int) ((buffer[offset] - minHeight) / differ * 65535);
+                        g = val / 256;
+                        b = val % 256;
+                    }
+
+                    Color color = new Color(r, g, b, 127);
+                    image.setRGB(x, y, color.getRGB());
+                }
+            }
+            savePng(image, png);
+        } finally {
+            if (null != ds) ds.delete();
+        }
+    }
+
+    /**
+     * 鏄惁鐩镐氦
+     * https://blog.csdn.net/flyingshineangel/article/details/135423025
+     */
+    private static BuildingDto intersects(ResultDto dto, double x, double y) {
+        Geometry p = new Geometry(ogr.wkbPoint);
+        p.AddPoint_2D(x, y);
+        p.AssignSpatialReference(dto.getBuildingList().get(0).getGeom().GetSpatialReference());
+
+        return dto.getBuildingList().parallelStream().filter(b -> b.getGeom().Intersects(p)).findFirst().orElse(null);
     }
 
     private void copeFlow(ResultDto dto, LayerDto layer) {
-        //
+        List<String> files = getFiles(dto.getFlowPath(), ".tif");
+        if (null == files || files.size() != layer.getWaters().getData().size()) return;
+
+        for (int i = 0, c = files.size(); i < c; i++) {
+            Dataset ds = null;
+            try {
+                ds = gdal.Open(files.get(i), gdalconst.GA_ReadOnly);
+                if (null == ds || 0 == ds.getRasterCount()) return;
+
+                createFlowPng(dto, ds, layer, layer.getWaters().getData().get(i));
+            } finally {
+                if (null != ds) ds.delete();
+            }
+        }
     }
 
-    private void copeLayerJson(ResultDto dto, LayerDto layer) {
-        //
+    private static void createFlowPng(ResultDto dto, Dataset ds, LayerDto layer, long ticks) {
+        String flowPath = dto.getOutPath() + File.separator + "flows" + File.separator + ticks;
+        File dir = new File(flowPath);
+        if (!dir.exists() || !dir.isDirectory()) dir.mkdirs();
+
+        for (int[] sizes : layer.getTerrain().getSize()) {
+            String name = getNameWithExt(ds.GetDescription()) + "_" + sizes[0] + "_" + sizes[1];
+            String tif = dto.getTemp() + File.separator + name + ".tif";
+            Resample(ds, tif, sizes[0], sizes[1], layer);
+            if (!new File(tif).exists()) continue;
+
+            String png = flowPath + File.separator + sizes[0] + "_" + sizes[1] + ".png";
+            vxyTif2Png(layer, tif, png, sizes[0], sizes[1]);
+        }
     }
 
-    public String test() {
-        ResultDto dto = new ResultDto(
-                "202409",
-                "D:\\simu\\input\\tongzhou-local-mesh2-terrain.tif",
-                "D:\\simu\\input\\tongzhou-local-mesh2-buildings.tif",
-                "D:\\simu\\input\\waters",
-                "D:\\simu\\input\\flows",
-                "D:\\simu\\out",
-                "");
-        process(dto);
+    private static void vxyTif2Png(LayerDto layer, String tif, String png, int width, int height) {
+        Dataset ds = null;
+        try {
+            ds = gdal.Open(tif, gdalconst.GA_ReadOnly);
+            if (null == ds || 0 == ds.getRasterCount()) return;
 
-        return "OK";
+            float[] vxBuffer = new float[width * height], vyBuffer = new float[width * height];
+            ds.GetRasterBand(1).ReadRaster(0, 0, width, height, vxBuffer);
+            ds.GetRasterBand(2).ReadRaster(0, 0, width, height, vyBuffer);
+
+            createFlowPng(vxBuffer, vyBuffer, png, width, height);
+        } finally {
+            if (null != ds) ds.delete();
+        }
+    }
+
+    private static void createFlowPng(float[] vxBuffer, float[] vyBuffer, String png, int width, int height) {
+        BufferedImage image = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);
+        // 鐢� R閫氶亾琛ㄧず锛屾祦鍚戜负褰掍竴鍖栫殑浜岀淮鍚戦噺锛坸,y锛夛紝G閫氶亾琛ㄧず涓� x *255 , B閫氶亾琛ㄧず涓� y * 255
+        for (int x = 0; x < width; x++) {
+            for (int y = 0; y < height; y++) {
+                int offset = x + y * width;
+                float fx = getFloatValue(vxBuffer[offset]);
+                float fy = getFloatValue(vyBuffer[offset]);
+                if (Float.isNaN(fx) && Float.isNaN(fy) || (fx == 0 && fy == 0)) continue;
+
+                fx = Float.isNaN(fx) ? 0 : fx;
+                fy = Float.isNaN(fy) ? 0 : fy;
+                double dr = Math.sqrt(Math.pow(fx, 2) + Math.pow(fy, 2));
+
+                int r = (int) (dr / 4 * 255);
+                int g = (int) ((fx / dr * 0.5 + 0.5) * 255);
+                int b = (int) ((fy / dr * 0.5 + 0.5) * 255);
+
+                Color color = new Color(getSafeValue(r), getSafeValue(g), getSafeValue(b), 127);
+                image.setRGB(x, y, color.getRGB());
+            }
+        }
+        savePng(image, png);
+    }
+
+    private static float getFloatValue(float val) {
+        return (Float.isNaN(val) || val < -999) ? Float.NaN : val;
+    }
+
+    private static int getSafeValue(int val) {
+        if (val < 0) return 0;
+        if (val > 255) return 255;
+
+        return val;
+    }
+
+    /**
+     * 鍏冩暟鎹�
+     */
+    private void copeLayerJson(ResultDto dto, LayerDto layer) throws IOException {
+        layer.getWaters().setFiles(null);
+        layer.getTerrain().setEpsg(null);
+
+        String json = JSON.toJSONString(layer);
+        //String json = JSONUtil.toJsonPrettyStr(layer);
+        String filePath = dto.getOutPath() + File.separator + "layer.json";
+
+        FileWriter fw = new FileWriter(filePath);
+        BufferedWriter bw = new BufferedWriter(fw);
+        bw.write(json);
+        bw.close();
+        fw.close();
+    }
+
+    /**
+     * 澶勭悊闄嶆按鏇茬嚎鏂囦欢鏇茬嚎鍥�
+     */
+    public void copeRainFallJson(ResultDto dto, LayerDto layer) throws IOException, ParseException {
+        String rainGageFilePath = config.getInPath() + File.separator + dto.getServiceName() + File.separator + "RainGage.dat";
+        String filePath = dto.getOutPath() + File.separator + "rainfall.json";
+
+        String line;
+        Map<String, Double> rainFallJsons = new LinkedHashMap<>();
+        SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm");
+
+        BufferedReader br = new BufferedReader(new FileReader(rainGageFilePath));
+        // 澶勭悊绗竴琛屾暟鎹�
+        if ((line = br.readLine()) != null) {
+            while ((line = br.readLine()) != null) {
+                // 澶勭悊姣忎竴琛屾暟鎹�
+                String[] rainFall = line.split(" ");
+
+                if (rainFall.length < 7) continue;
+
+                String sdt = rainFall[1] + "-" + rainFall[2] + "-" + rainFall[3] + " " + rainFall[4] + ":" + rainFall[5];
+                BigDecimal num = new BigDecimal(rainFall[6]);
+                rainFallJsons.put("" + sdf.parse(sdt).getTime(), num.setScale(2, RoundingMode.HALF_UP).doubleValue());
+            }
+        }
+
+        FileWriter fw = new FileWriter(filePath);
+        BufferedWriter bw = new BufferedWriter(fw);
+        bw.write(JSON.toJSONString(rainFallJsons));
+        bw.close();
+        fw.close();
     }
 }

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