From 052c83d9d32880ed81110152d989705735f801bc Mon Sep 17 00:00:00 2001
From: 13693261870 <252740454@qq.com>
Date: 星期一, 22 七月 2024 16:16:46 +0800
Subject: [PATCH] 修改水面数据

---
 SimuTools/Tools/Handle.cs |  262 ++++++++++++++++++++++++++++++++++------------------
 1 files changed, 170 insertions(+), 92 deletions(-)

diff --git a/SimuTools/Tools/Handle.cs b/SimuTools/Tools/Handle.cs
index b0dff5d..f950a34 100644
--- a/SimuTools/Tools/Handle.cs
+++ b/SimuTools/Tools/Handle.cs
@@ -17,9 +17,11 @@
     {
         public static readonly int MAX = 256 * 256;
 
-        public static readonly string GdalPath = ConfigurationManager.AppSettings["gdalPath"];
+        public static readonly double WaterHeightOffset = 1.0;
 
         public static readonly string BaseDir = AppDomain.CurrentDomain.BaseDirectory;
+
+        public static readonly string GdalPath = ConfigurationManager.AppSettings["gdalPath"];
 
         /// <summary>
         /// 杩愯
@@ -36,7 +38,7 @@
 
             CopeTerrain(terrainFile, outPath, layer);
             CopeWater(waterPath, outPath, layer);
-            CopeFlow(flowPath, outPath, layer);
+            //CopeFlow(flowPath, outPath, layer);
             CopeLayerJson(outPath, layer);
 
             if (Directory.Exists(temp)) Directory.Delete(temp, true);
@@ -55,7 +57,7 @@
                 if (null == ds || 0 == ds.RasterCount || null == ds.GetSpatialRef()) return;
 
                 SetTerrainInfo(ds, layer);
-                //CreateTerrainPng(ds, layer, outPath);
+                CreateTerrainPng(ds, layer, outPath);
             }
             finally
             {
@@ -70,12 +72,28 @@
         {
             Geometry minPoint = GdalHelper.GetMinPoint(ds);
             Geometry maxPoint = GdalHelper.GetMaxPoint(ds);
-            layer.extension = new Extension(minPoint.GetX(0), minPoint.GetY(0), maxPoint.GetX(0), maxPoint.GetY(0));
+            layer.extension = new Extension(minPoint.GetX(0), minPoint.GetY(0), maxPoint.GetX(0), maxPoint.GetY(0), double.MaxValue, double.MinValue);
 
-            OSGeo.GDAL.Band band = ds.GetRasterBand(1);
+            Band band = ds.GetRasterBand(1);
             double[] mm = new double[2];
             band.ComputeRasterMinMax(mm, 0);
-            layer.extension.SetHeight(mm[0], mm[1]);
+            layer.terrain.SetHeight(GetMinVal(mm[0]), GetMaxVal(mm[1]));
+        }
+
+        /// <summary>
+        /// 鑾峰彇鏈�灏忓��
+        /// </summary>
+        private static double GetMinVal(double val)
+        {
+            return Convert.ToInt32(Math.Floor(val * 1000)) / 1000.0;
+        }
+
+        /// <summary>
+        /// 鑾峰彇鏈�澶у��
+        /// </summary>
+        private static double GetMaxVal(double val)
+        {
+            return Convert.ToInt32(Math.Ceiling(val * 1000)) / 1000.0;
         }
 
         /// <summary>
@@ -93,13 +111,10 @@
                 string tif = Path.Combine(tempPath, DateTime.Now.Ticks.ToString() + ".tif");
                 //Resample(ds.GetDescription(), tif, sizes[0], sizes[1]);
                 Resample(ds, tif, sizes[0], sizes[1]);
-                if (!File.Exists(tif))
-                {
-                    continue;
-                }
+                if (!File.Exists(tif)) continue;
 
                 string png = Path.Combine(terrainPath, sizes[0] + "_" + sizes[1] + ".png");
-                Tif2Png(layer, tif, png, sizes[0], sizes[1]);
+                Terrain2Png(layer, tif, png, sizes[0], sizes[1]);
             }
         }
 
@@ -181,9 +196,9 @@
         }
 
         /// <summary>
-        /// Tif鍊艰浆瀛樿嚦Png
+        /// 鍦板舰杞琍NG
         /// </summary>
-        private static void Tif2Png(Domain.Layer layer, string tif, string png, int width, int height, int heightOffset = 0)
+        private static void Terrain2Png(Domain.Layer layer, string tif, string png, int width, int height)
         {
             Dataset ds = null;
             try
@@ -199,7 +214,7 @@
                 Graphics graphic = Graphics.FromImage(image);
                 graphic.Clear(Color.Transparent); // 濉厖閫忔槑鑹�
 
-                double perHeight = (layer.extension.maxHeight - layer.extension.minHeight + heightOffset) * 100 / 65536;
+                double perHeight = (layer.terrain.maxHeight - layer.terrain.minHeight) * 100 / 65536;
                 for (int x = 0; x < width; x++)
                 {
                     for (int y = 0; y < height; y++)
@@ -208,7 +223,7 @@
                         if (float.IsNaN(buffer[offset]) || buffer[offset] < -999) continue;
 
                         //int val = Convert.ToInt32(buffer[offset] * 100);
-                        int val = Convert.ToInt32((buffer[offset] - layer.extension.minHeight + heightOffset) * 100 / perHeight);
+                        int val = Convert.ToInt32((buffer[offset] - layer.terrain.minHeight) * 100 / perHeight);
                         int r = val / 65536;
                         int g = (val - r * 65536) / 256;
                         int b = val % 256;
@@ -237,71 +252,10 @@
             if (null == files || files.Count == 0) return;
 
             SetWaterData(layer, files);
+            SetWaterHeight(layer, files);
             if (files.Count != layer.waters.data.Count) return;
 
-            //ProcessWaters(files, outPath, layer);
-        }
-
-        /// <summary>
-        /// 澶勭悊姘撮潰鏁版嵁
-        /// </summary>
-        private static void ProcessWaters(List<string> files, string outPath, Domain.Layer layer)
-        {
-            /*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], 1);
-            }
+            ProcessWaters(files, outPath, layer);
         }
 
         /// <summary>
@@ -337,6 +291,123 @@
                 layer.waters.data.Add((d.Ticks - startTicks) / 10000);
             }
         }
+
+        /// <summary>
+        /// 璁剧疆姘撮潰楂樺害
+        /// </summary>
+        private static void SetWaterHeight(Domain.Layer layer, List<string> files)
+        {
+            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;
+
+                    double[] mm = new double[2];
+                    ds.GetRasterBand(1).ComputeRasterMinMax(mm, 0);
+                    layer.extension.SetHeight(mm[0], mm[1]);
+                }
+                finally
+                {
+                    if (null != ds) ds.Dispose();
+                }
+            });
+            layer.extension.minHeight = GetMinVal(layer.extension.minHeight);
+            layer.extension.maxHeight = GetMaxVal(layer.extension.maxHeight + WaterHeightOffset);
+        }
+
+        /// <summary>
+        /// 澶勭悊姘撮潰鏁版嵁
+        /// </summary>
+        private static void ProcessWaters(List<string> files, string outPath, Domain.Layer layer)
+        {
+            Parallel.For(0, files.Count, i =>
+            //for (int i = 0; i < 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");
+                Water2Png(layer, tif, png, sizes[0], sizes[1]);
+            }
+        }
+
+        /// <summary>
+        /// 姘撮潰杞琍NG
+        /// </summary>
+        private static void Water2Png(Domain.Layer layer, string tif, string png, int width, int height)
+        {
+            Dataset ds = null;
+            try
+            {
+                ds = Gdal.Open(tif, Access.GA_ReadOnly);
+                if (null == ds || 0 == ds.RasterCount) return;
+
+                OSGeo.GDAL.Band band = ds.GetRasterBand(1);
+                float[] buffer = new float[width * height];
+                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�
+
+                double perHeight = (layer.extension.maxHeight - layer.extension.minHeight) * 100 / 65536;
+                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) continue;
+
+                        //int val = Convert.ToInt32(buffer[offset] * 100);
+                        int val = Convert.ToInt32((buffer[offset] - layer.extension.minHeight + WaterHeightOffset) * 100 / perHeight);
+                        int r = val / 65536;
+                        int g = (val - r * 65536) / 256;
+                        int b = val % 256;
+
+                        Color color = Color.FromArgb(127, r, g, b);
+                        image.SetPixel(x, y, color);
+                    }
+                }
+                image.Save(png, System.Drawing.Imaging.ImageFormat.Png);
+            }
+            finally
+            {
+                if (null != ds) ds.Dispose();
+                if (File.Exists(tif)) File.Delete(tif);
+            }
+        }
         #endregion
 
         #region 娴侀�熸祦鍚�
@@ -349,8 +420,8 @@
             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 =>
-            //for (int i = 0; i < vxFiles.Count; i++)
+            //Parallel.For(0, vxFiles.Count, i =>
+            for (int i = 0; i < vxFiles.Count; i++)
             {
                 Dataset vxDs = null, vyDs = null;
                 try
@@ -367,7 +438,7 @@
                     if (null != vxDs) vxDs.Dispose();
                     if (null != vyDs) vyDs.Dispose();
                 }
-            });
+            }//);
         }
 
         /// <summary>
@@ -413,14 +484,15 @@
                 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);
 
-                //double[] vxMm = new double[2];
-                //vxDs.GetRasterBand(1).ComputeRasterMinMax(vxMm, 0);
-                //double[] vyMm = new double[2];
-                //vyDs.GetRasterBand(1).ComputeRasterMinMax(vyMm, 0);
-                //double min = vxMm[0] < vyMm[0] ? vxMm[0] : vyMm[0];
-                //double max = vxMm[1] > vyMm[1] ? vxMm[1] : vyMm[1];
+                double[] vxMm = new double[2];
+                vxDs.GetRasterBand(1).ComputeRasterMinMax(vxMm, 0);
+                double[] vyMm = new double[2];
+                vyDs.GetRasterBand(1).ComputeRasterMinMax(vyMm, 0);
+                double min = vxMm[0] < vyMm[0] ? vxMm[0] : vyMm[0];
+                double max = vxMm[1] > vyMm[1] ? vxMm[1] : vyMm[1];
+                double perHeight = (max - min) / 255;
 
-                CreateFlowPng(vxBuffer, vyBuffer, png, width, height);
+                CreateFlowPng(vxBuffer, vyBuffer, perHeight, png, width, height);
             }
             finally
             {
@@ -434,7 +506,7 @@
         /// <summary>
         /// 鍒涘缓娴侀�熸祦鍚慞NG
         /// </summary>
-        private static void CreateFlowPng(float[] vxBuffer, float[] vyBuffer, string png, int width, int height)
+        private static void CreateFlowPng(float[] vxBuffer, float[] vyBuffer, double perHeight, string png, int width, int height)
         {
             Bitmap image = new Bitmap(width, height);
             Graphics graphic = Graphics.FromImage(image);
@@ -454,7 +526,10 @@
                     double dy = float.IsNaN(fy) ? 0 : fy * 0.5 + 0.5;
 
                     int r = Convert.ToInt32(dv * 255);
-                    if (r > 255) r = 255;
+                    if (r > 255)
+                    {
+                        r = 255;
+                    }
                     int g = Convert.ToInt32(dx * 255);
                     int b = Convert.ToInt32(dy * 255);
 
@@ -472,12 +547,15 @@
         {
             //return (float.IsNaN(val) || val < -999) ? float.NaN : val;
             if (float.IsNaN(val) || val < -999) return float.NaN;
-            if (val > 1) return 1;
-            if (val < -1) return -1;
+            //if (val > 1) return 1;
+            //if (val < -1) return -1;
 
             return val;
         }
 
+        /// <summary>
+        /// 鑾峰彇XY鍊�
+        /// </summary>
         private static double GetXyValue(float fx, float fy)
         {
             if (float.IsNaN(fx) && float.IsNaN(fy))

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