From ecfe110922f3c542df7aaef9ac9e26cdb0b73e55 Mon Sep 17 00:00:00 2001
From: 13693261870 <252740454@qq.com>
Date: 星期六, 20 七月 2024 09:52:58 +0800
Subject: [PATCH] 1

---
 SimuTools/Tools/Handle.cs |  296 +++++++++++++++++++++++++++++++++++++++++++++++++---------
 1 files changed, 248 insertions(+), 48 deletions(-)

diff --git a/SimuTools/Tools/Handle.cs b/SimuTools/Tools/Handle.cs
index af7aef4..74796fc 100644
--- a/SimuTools/Tools/Handle.cs
+++ b/SimuTools/Tools/Handle.cs
@@ -5,12 +5,12 @@
 using System;
 using System.Collections.Generic;
 using System.Configuration;
-using System.Data;
 using System.Diagnostics;
 using System.Drawing;
 using System.IO;
 using System.Linq;
 using System.Text;
+using System.Threading.Tasks;
 
 namespace SimuTools.Tools
 {
@@ -36,13 +36,14 @@
             if (!Directory.Exists(temp)) Directory.CreateDirectory(temp);
 
             CopeTerrain(terrainFile, outPath, layer);
-            CopeWater(waterPath, outPath, layer);
+            //CopeWater(waterPath, outPath, layer);
             CopeFlow(flowPath, outPath, layer);
             CopeLayerJson(outPath, layer);
 
-            //if (Directory.Exists(temp)) Directory.Delete(temp, true);
+            if (Directory.Exists(temp)) Directory.Delete(temp, true);
         }
 
+        #region 鍦板舰
         /// <summary>
         /// 澶勭悊鍦板舰
         /// </summary>
@@ -55,7 +56,7 @@
                 if (null == ds || 0 == ds.RasterCount || null == ds.GetSpatialRef()) return;
 
                 SetTerrainInfo(ds, layer);
-                CreateTerrainPng(ds, layer, outPath);
+                //CreateTerrainPng(ds, layer, outPath);
             }
             finally
             {
@@ -79,7 +80,7 @@
         }
 
         /// <summary>
-        /// 鍒涘缓鍦板舰鍥惧眰
+        /// 鍒涘缓鍦板舰PNG
         /// </summary>
         private static void CreateTerrainPng(Dataset ds, Domain.Layer layer, string outPath)
         {
@@ -90,28 +91,47 @@
 
             foreach (int[] sizes in layer.terrain.size)
             {
-                //string filePath = Path.Combine(outPath, sizes[0] + "_" + sizes[1] + ".png");
-                //// 濉厖鍐呭瓨鍥惧儚
-                //byte[] buffer = new byte[sizes[0] * sizes[1] * 3];
-                //for (int i = 0; i < buffer.Length; i++)
-                //{
-                //    buffer[i] = (byte)(i % 256);
-                //}
-
                 string tif = Path.Combine(tempPath, DateTime.Now.Ticks.ToString() + ".tif");
-                Resample(ds.GetDescription(), tif, sizes[0], sizes[1]);
+                //Resample(ds.GetDescription(), tif, sizes[0], sizes[1]);
+                Resample(ds, tif, sizes[0], sizes[1]);
                 if (!File.Exists(tif))
                 {
                     continue;
                 }
 
                 string png = Path.Combine(terrainPath, sizes[0] + "_" + sizes[1] + ".png");
-                Terrain2Png(layer, tif, png, sizes[0], sizes[1]);
+                Tif2Png(layer, tif, png, sizes[0], sizes[1]);
             }
         }
 
         /// <summary>
         /// 閲嶉噰鏍�
+        /// </summary>
+        private static void Resample(Dataset ds, string dest, int width, int height)
+        {
+            // https://blog.51cto.com/u_16099346/6691820
+            //string args = string.Format("-t_srs {0} -ts {1} {2} -r {3} -of {4}", "EPSG:4326", width, height, "bilinear", "GTiff");
+            //string[] options = Gdal.ParseCommandLine(args);
+            string[] options = new string[]
+            {
+                "-t_srs",
+                "EPSG:4326",
+                "-ts",
+                width.ToString(),
+                height.ToString(),
+                "-r",
+                "bilinear",
+                "-of",
+                "GTiff"
+            };
+            GDALWarpAppOptions warpAppOptions = new GDALWarpAppOptions(options);
+
+            Dataset destDs = Gdal.Warp(dest, new Dataset[] { ds }, warpAppOptions, null, null);
+            destDs.Dispose();
+        }
+
+        /// <summary>
+        /// 閲嶉噰鏍� *
         /// </summary>
         private static void Resample(string source, string dest, int width, int height)
         {
@@ -164,7 +184,7 @@
         /// <summary>
         /// Tif鍊艰浆瀛樿嚦Png
         /// </summary>
-        private static void Terrain2Png(Domain.Layer layer, string tif, string png, int width, int height)
+        private static void Tif2Png(Domain.Layer layer, string tif, string png, int width, int height)
         {
             Dataset ds = null;
             try
@@ -177,28 +197,30 @@
                 band.ReadRaster(0, 0, width, height, buffer, width, height, 0, 0);
 
                 Bitmap image = new Bitmap(width, height);
-                //Graphics graphic = Graphics.FromImage(image);
-                //graphic.Clear(Color.Transparent); // 濉厖閫忔槑鑹�
+                Graphics graphic = Graphics.FromImage(image);
+                graphic.Clear(Color.Transparent); // 濉厖閫忔槑鑹�
 
-                double perHeight = (layer.extension.maxHeight - layer.extension.minHeight) * 100 / 65536;
+                //double perHeight = (layer.extension.maxHeight - layer.extension.minHeight) * 100 / 65536;
+                //int val = Convert.ToInt32(buffer[x * y]* 100); //Convert.ToInt32((buffer[x * y] - layer.extension.minHeight) * 100);
+                //int val = Convert.ToInt32((buffer[x * y] - layer.extension.minHeight) * 100 / perHeight);
 
                 for (int x = 0; x < width; x++)
                 {
                     for (int y = 0; y < height; y++)
                     {
-                        if (buffer[x * y] == double.NaN || buffer[x * y] == -9999)
+                        int offset = x + y * width;
+                        if (float.IsNaN(buffer[offset]) || buffer[offset] < -999)
                         {
-                            image.SetPixel(x, y, Color.Transparent);
+                            //image.SetPixel(x, y, Color.Transparent);
                             continue;
                         }
 
-                        //int val = Convert.ToInt32(buffer[x * y]* 100); //Convert.ToInt32((buffer[x * y] - layer.extension.minHeight) * 100);
-                        int val = Convert.ToInt32((buffer[x * y] - layer.extension.minHeight) * 100 / perHeight);
+                        int val = Convert.ToInt32(buffer[offset] * 100);
                         int r = val / 65536;
                         int g = (val - r * 65536) / 256;
                         int b = val % 256;
 
-                        Color color = Color.FromArgb(0, r, g, b);
+                        Color color = Color.FromArgb(127, r, g, b);
                         image.SetPixel(x, y, color);
                     }
                 }
@@ -208,25 +230,227 @@
             finally
             {
                 if (null != ds) ds.Dispose();
+                if (File.Exists(tif)) File.Delete(tif);
             }
         }
+        #endregion
 
+        #region 姘撮潰
         /// <summary>
         /// 澶勭悊姘撮潰
         /// </summary>
         private static void CopeWater(string waterPath, string outPath, Domain.Layer layer)
         {
+            List<string> files = GetFiles(waterPath);
+            if (null == files || files.Count == 0) return;
 
+            SetWaterData(layer, files);
+            if (files.Count != layer.waters.data.Count) return;
+
+            /*for (int i = 0, c = files.Count; i < c; i++)
+            {
+                Dataset ds = null;
+                try
+                {
+                    ds = Gdal.Open(files[i], Access.GA_ReadOnly);
+                    if (null == ds || 0 == ds.RasterCount || null == ds.GetSpatialRef()) continue;
+
+                    CreateWaterPng(ds, layer, outPath, layer.waters.data[i]);
+                }
+                finally
+                {
+                    if (null != ds) ds.Dispose();
+                }
+            }*/
+            Parallel.For(0, files.Count, i =>
+            {
+                Dataset ds = null;
+                try
+                {
+                    ds = Gdal.Open(files[i], Access.GA_ReadOnly);
+                    if (null == ds || 0 == ds.RasterCount || null == ds.GetSpatialRef()) return;
+
+                    CreateWaterPng(ds, layer, outPath, layer.waters.data[i]);
+                }
+                finally
+                {
+                    if (null != ds) ds.Dispose();
+                }
+            });
         }
 
+        /// <summary>
+        /// 鍒涘缓姘撮潰PNG
+        /// </summary>
+        private static void CreateWaterPng(Dataset ds, Domain.Layer layer, string outPath, long ticks)
+        {
+            string tempPath = Path.Combine(outPath, "temp");
+            if (!Directory.Exists(tempPath)) Directory.CreateDirectory(tempPath);
+            string waterPath = Path.Combine(outPath, "waters", ticks.ToString());
+            if (!Directory.Exists(waterPath)) Directory.CreateDirectory(waterPath);
+
+            foreach (int[] sizes in layer.terrain.size)
+            {
+                string fileName = Path.GetFileNameWithoutExtension(ds.GetDescription()) + "_" + sizes[0] + "_" + sizes[1];
+                string tif = Path.Combine(tempPath, fileName + ".tif");
+                Resample(ds.GetDescription(), tif, sizes[0], sizes[1]);
+                if (!File.Exists(tif))
+                {
+                    continue;
+                }
+
+                string png = Path.Combine(waterPath, sizes[0] + "_" + sizes[1] + ".png");
+                Tif2Png(layer, tif, png, sizes[0], sizes[1]);
+            }
+        }
+
+        /// <summary>
+        /// 鑾峰彇鏂囦欢
+        /// </summary>
+        private static List<String> GetFiles(string path, string prefix = "")
+        {
+            string[] files = Directory.GetFiles(path, prefix + "*.tif?", SearchOption.TopDirectoryOnly);
+            if (null == files || files.Length == 0) return null;
+
+            List<string> list = files.ToList();
+            list.Sort();
+
+            return list;
+        }
+
+        /// <summary>
+        /// 璁剧疆姘撮潰鏁版嵁
+        /// </summary>
+        private static void SetWaterData(Domain.Layer layer, List<string> files)
+        {
+            DateTime now = DateTime.Now;
+            long startTicks = new DateTime(1970, 1, 1, 8, 0, 0).Ticks;
+
+            foreach (string file in files)
+            {
+                string fileName = Path.GetFileNameWithoutExtension(file);
+                int hour = Convert.ToInt32(fileName.Substring(0, 2));
+                int minute = Convert.ToInt32(fileName.Substring(2, 2));
+                int second = Convert.ToInt32(fileName.Substring(4, 2));
+
+                DateTime d = new DateTime(now.Year, now.Month, now.Day, hour, minute, second);
+                layer.waters.data.Add((d.Ticks - startTicks) / 10000);
+            }
+        }
+        #endregion
+
+        #region 娴侀�熸祦鍚�
         /// <summary>
         /// 澶勭悊娴侀�熸祦鍚�
         /// </summary>
         private static void CopeFlow(string flowPath, string outPath, Domain.Layer layer)
         {
+            List<string> vxFiles = GetFiles(flowPath, "vx");
+            List<string> vyFiles = GetFiles(flowPath, "vy");
+            if (null == vxFiles || null == vyFiles || vxFiles.Count != vyFiles.Count || vxFiles.Count != layer.waters.data.Count) return;
 
+            Parallel.For(0, vxFiles.Count, i =>
+            {
+                Dataset vxDs = null, vyDs = null;
+                try
+                {
+                    vxDs = Gdal.Open(vxFiles[i], Access.GA_ReadOnly);
+                    if (null == vxDs || 0 == vxDs.RasterCount || null == vxDs.GetSpatialRef() ||
+                        null == vyDs || 0 == vyDs.RasterCount || null == vyDs.GetSpatialRef()) return;
+
+                    CreateFlowPng(vxDs, vyDs, layer, outPath, layer.waters.data[i]);
+                }
+                finally
+                {
+                    if (null != vxDs) vxDs.Dispose();
+                    if (null != vyDs) vyDs.Dispose();
+                }
+            });
         }
 
+        /// <summary>
+        /// 鍒涘缓娴侀�熸祦鍚慞NG
+        /// </summary>
+        private static void CreateFlowPng(Dataset vxDs, Dataset vyDs, Domain.Layer layer, string outPath, long ticks)
+        {
+            string tempPath = Path.Combine(outPath, "temp");
+            if (!Directory.Exists(tempPath)) Directory.CreateDirectory(tempPath);
+            string flowPath = Path.Combine(outPath, "flows", ticks.ToString());
+            if (!Directory.Exists(flowPath)) Directory.CreateDirectory(flowPath);
+
+            foreach (int[] sizes in layer.terrain.size)
+            {
+                string vxName = Path.GetFileNameWithoutExtension(vxDs.GetDescription()) + "_" + sizes[0] + "_" + sizes[1];
+                string vxTif = Path.Combine(tempPath, vxName + ".tif");
+                Resample(vxDs.GetDescription(), vxTif, sizes[0], sizes[1]);
+
+                string vyName = Path.GetFileNameWithoutExtension(vyDs.GetDescription()) + "_" + sizes[0] + "_" + sizes[1];
+                string vyTif = Path.Combine(tempPath, vyName + ".tif");
+                Resample(vyDs.GetDescription(), vyTif, sizes[0], sizes[1]);
+
+                if (!File.Exists(vxTif) || !File.Exists(vyTif)) continue;
+
+                string png = Path.Combine(flowPath, sizes[0] + "_" + sizes[1] + ".png");
+                VxyTif2Png(layer, vxTif, vyTif, png, sizes[0], sizes[1]);
+            }
+        }
+
+        /// <summary>
+        /// 娴侀�熸祦鍚慣if鍊艰浆瀛樿嚦Png
+        /// </summary>
+        private static void VxyTif2Png(Domain.Layer layer, string vxTif, string vyTif, string png, int width, int height)
+        {
+            Dataset vxDs = null, vyDs = null;
+            try
+            {
+                vxDs = Gdal.Open(vxTif, Access.GA_ReadOnly);
+                vyDs = Gdal.Open(vyTif, Access.GA_ReadOnly);
+                if (null == vxDs || 0 == vxDs.RasterCount || null == vyDs || 0 == vyDs.RasterCount) return;
+
+                float[] vxBuffer = new float[width * height], vyBuffer = new float[width * height];
+                vxDs.GetRasterBand(1).ReadRaster(0, 0, width, height, vxBuffer, width, height, 0, 0);
+                vyDs.GetRasterBand(1).ReadRaster(0, 0, width, height, vyBuffer, width, height, 0, 0);
+
+                Bitmap image = new Bitmap(width, height);
+                Graphics graphic = Graphics.FromImage(image);
+                graphic.Clear(Color.Transparent); // 濉厖閫忔槑鑹�
+
+                // 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;
+                        if (float.IsNaN(vxBuffer[offset]) || vxBuffer[offset] < -999 ||
+                            float.IsNaN(vyBuffer[offset]) || vyBuffer[offset] < -999) continue;
+
+                        float vx = vxBuffer[offset], vy = vyBuffer[offset];
+                        //int val = Convert.ToInt32(vxBuffer[offset] * 100);
+                        //int r = val / 65536;
+                        //int g = (val - r * 65536) / 256;
+                        //int b = val % 256;
+                        int r = 0;
+                        int g = 0;
+                        int b = 0;
+
+                        Color color = Color.FromArgb(127, r, g, b);
+                        image.SetPixel(x, y, color);
+                    }
+                }
+
+                image.Save(png, System.Drawing.Imaging.ImageFormat.Png);
+            }
+            finally
+            {
+                if (null != vxDs) vxDs.Dispose();
+                if (null != vyDs) vyDs.Dispose();
+                if (File.Exists(vxTif)) File.Delete(vxTif);
+                if (File.Exists(vyTif)) File.Delete(vyTif);
+            }
+        }
+        #endregion
+
+        #region 鍏冩暟鎹�
         /// <summary>
         /// 澶勭悊鍏冩暟鎹�
         /// </summary>
@@ -242,30 +466,6 @@
                 sw.Write(json);
             }
         }
-
-        #region 鏆傛椂涓嶇敤
-        /// <summary>
-        /// 閲嶉噰鏍� *
-        /// </summary>
-        private static void Resample(Dataset ds, string dest, int width, int height)
-        {
-            // 璁剧疆Warp鐨勯�夐」锛歨ttps://blog.csdn.net/qq_43210879/article/details/121350561
-            string[] options = new string[] {
-                "format=GTiff",
-                "width=" + width,
-                "height=" + height,
-                "dstSRS=EPSG:4326"
-            };
-
-            OSGeo.GDAL.Driver driver = Gdal.GetDriverByName("GTiff");
-            Dataset destDs = driver.Create(dest, width, height, ds.RasterCount, ds.GetRasterBand(1).DataType, null);
-
-            GDALWarpAppOptions warpAppOptions = new GDALWarpAppOptions(options);
-            Gdal.Warp(destDs, new Dataset[] { ds }, warpAppOptions, null, null);
-
-            destDs.Dispose();
-        }
-
         #endregion
     }
 }

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