From a8028c5fe78d8e9a05f171407ac129c4fbd65e87 Mon Sep 17 00:00:00 2001
From: 13693261870 <252740454@qq.com>
Date: 星期三, 24 七月 2024 16:47:01 +0800
Subject: [PATCH] 1
---
SimuTools/Tools/Handle.cs | 479 +++++++++++++++++++++++++++++++++++++----------------------
1 files changed, 297 insertions(+), 182 deletions(-)
diff --git a/SimuTools/Tools/Handle.cs b/SimuTools/Tools/Handle.cs
index b0dff5d..a7a4aa6 100644
--- a/SimuTools/Tools/Handle.cs
+++ b/SimuTools/Tools/Handle.cs
@@ -15,11 +15,19 @@
{
public class Handle
{
+ #region 鎴愬憳鍙橀噺
public static readonly int MAX = 256 * 256;
- public static readonly string GdalPath = ConfigurationManager.AppSettings["gdalPath"];
+ public static readonly double MAX_X_OFFSET = 0.002;
+
+ public static readonly double MIN_X_OFFSET = -0.00005;
+
+ public static readonly double WaterHeightOffset = 1.0;
public static readonly string BaseDir = AppDomain.CurrentDomain.BaseDirectory;
+
+ public static readonly string GdalPath = ConfigurationManager.AppSettings["gdalPath"];
+ #endregion
/// <summary>
/// 杩愯
@@ -55,7 +63,7 @@
if (null == ds || 0 == ds.RasterCount || null == ds.GetSpatialRef()) return;
SetTerrainInfo(ds, layer);
- //CreateTerrainPng(ds, layer, outPath);
+ CreateTerrainPng(ds, layer, outPath);
}
finally
{
@@ -68,14 +76,37 @@
/// </summary>
private static void SetTerrainInfo(Dataset ds, Domain.Layer layer)
{
+ //String srsName = ds.GetSpatialRef().GetName();
+ //layer.terrain.epsg = !string.IsNullOrEmpty(srsName) && srsName.Contains(GdalHelper.CGCS2000) ? "EPSG:4490" : "EPSG:4326";
+
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));
+ 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.extension = new Extension(minx, miny, maxx, maxy, 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, double radix = 1000)
+ {
+ return Convert.ToInt32(Math.Floor(val * radix)) / radix;
+ }
+
+ /// <summary>
+ /// 鑾峰彇鏈�澶у��
+ /// </summary>
+ private static double GetMaxVal(double val, double radix = 1000)
+ {
+ return Convert.ToInt32(Math.Ceiling(val * radix)) / radix;
}
/// <summary>
@@ -92,36 +123,30 @@
{
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;
- }
+ Resample(ds, tif, sizes[0], sizes[1], layer);
+ 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]);
}
}
/// <summary>
/// 閲嶉噰鏍�
/// </summary>
- private static void Resample(Dataset ds, string dest, int width, int height)
+ private static void Resample(Dataset ds, string dest, int width, int height, Domain.Layer layer)
{
// 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"
+ "-t_srs", "EPSG:4326", // layer.terrain.epsg,
+ "-ts", width.ToString(), height.ToString(),
+ "-te", layer.extension.minx.ToString(), layer.extension.miny.ToString(), layer.extension.maxx.ToString(), layer.extension.maxy.ToString(),
+ "-te_srs", "EPSG:4326", // layer.terrain.epsg,
+ "-r", "bilinear",
+ "-of", "GTiff"
};
GDALWarpAppOptions warpAppOptions = new GDALWarpAppOptions(options);
@@ -130,60 +155,9 @@
}
/// <summary>
- /// 閲嶉噰鏍� *
+ /// 鍦板舰杞琍NG
/// </summary>
- private static void Resample(string source, string dest, int width, int height)
- {
- // https://blog.51cto.com/u_16099346/6691820
- string cmd = string.Format("{0}gdalwarp.exe -t_srs {1} -ts {2} {3} -r {4} -of GTiff \"{5}\" \"{6}\"", GdalPath, "EPSG:4326", width, height, "bilinear", source, dest);
- string err = ExecExe(cmd);
- }
-
- /// <summary>
- /// 鎵ц鍛戒护
- /// </summary>
- public static string ExecExe(string cmd)
- {
- string str = null;
- Process p = null;
- try
- {
- p = new Process();
- p.StartInfo.FileName = "cmd.exe";
- p.StartInfo.UseShellExecute = false;
- p.StartInfo.CreateNoWindow = true;
- p.StartInfo.RedirectStandardInput = true;
- p.StartInfo.RedirectStandardOutput = true;
- p.StartInfo.RedirectStandardError = true;
- p.Start();
-
- StreamWriter si = p.StandardInput;
- StreamReader se = p.StandardError;
-
- si.AutoFlush = true;
- si.WriteLine(cmd);
- si.WriteLine("exit");
-
- str = se.ReadToEnd();
- se.Close();
- si.Close();
- }
- catch (Exception ex)
- {
- LogOut.Error(ex.Message + "\r\n" + ex.StackTrace);
- str = ex.Message;
- }
- finally
- {
- if (p != null) p.Close();
- }
- return str;
- }
-
- /// <summary>
- /// Tif鍊艰浆瀛樿嚦Png
- /// </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 +173,8 @@
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;
+ double differ = layer.terrain.maxHeight - layer.terrain.minHeight;
for (int x = 0; x < width; x++)
{
for (int y = 0; y < height; y++)
@@ -207,10 +182,10 @@
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 + heightOffset) * 100 / perHeight);
- int r = val / 65536;
- int g = (val - r * 65536) / 256;
+ //int val = Convert.ToInt32((buffer[offset] - layer.terrain.minHeight) * 100 / perHeight);
+ int val = Convert.ToInt32((buffer[offset] - layer.terrain.minHeight) / differ * 65536);
+ int r = 0;
+ int g = val / 256;
int b = val % 256;
Color color = Color.FromArgb(127, r, g, b);
@@ -222,7 +197,7 @@
finally
{
if (null != ds) ds.Dispose();
- if (File.Exists(tif)) File.Delete(tif);
+ //if (File.Exists(tif)) File.Delete(tif);
}
}
#endregion
@@ -237,71 +212,10 @@
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>
@@ -335,6 +249,123 @@
DateTime d = new DateTime(now.Year, now.Month, now.Day, hour, minute, second);
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, tif, sizes[0], sizes[1], layer);
+ 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;
+
+ 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
@@ -384,11 +415,11 @@
{
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]);
+ Resample(vxDs, vxTif, sizes[0], sizes[1], layer);
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]);
+ Resample(vyDs, vyTif, sizes[0], sizes[1], layer);
if (!File.Exists(vxTif) || !File.Exists(vyTif)) continue;
@@ -413,21 +444,14 @@
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];
-
CreateFlowPng(vxBuffer, vyBuffer, png, width, height);
}
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);
+ //if (File.Exists(vxTif)) File.Delete(vxTif);
+ //if (File.Exists(vyTif)) File.Delete(vyTif);
}
}
@@ -448,17 +472,17 @@
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;
- double dv = GetXyValue(fx, fy);
- double dx = float.IsNaN(fx) ? 0 : fx * 0.5 + 0.5;
- double dy = float.IsNaN(fy) ? 0 : fy * 0.5 + 0.5;
+ 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 = Convert.ToInt32(dv * 255);
- if (r > 255) r = 255;
- int g = Convert.ToInt32(dx * 255);
- int b = Convert.ToInt32(dy * 255);
+ int r = Convert.ToInt32(dr / 4 * 255);
+ int g = Convert.ToInt32((fx / dr * 0.5 + 0.5) * 255);
+ int b = Convert.ToInt32((fy / dr * 0.5 + 0.5) * 255);
- Color color = Color.FromArgb(127, r, g, b);
+ Color color = Color.FromArgb(127, GetSafeValue(r), GetSafeValue(g), GetSafeValue(b));
image.SetPixel(x, y, color);
}
}
@@ -470,30 +494,18 @@
/// </summary>
private static float GetFloatValue(float val)
{
- //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;
-
- return val;
+ return (float.IsNaN(val) || val < -999) ? float.NaN : val;
}
- private static double GetXyValue(float fx, float fy)
+ /// <summary>
+ /// 鑾峰彇瀹夊叏鍊�
+ /// </summary>
+ private static int GetSafeValue(int val)
{
- if (float.IsNaN(fx) && float.IsNaN(fy))
- {
- return 0;
- }
- if (float.IsNaN(fx))
- {
- return Math.Abs(fy);
- }
- if (float.IsNaN(fy))
- {
- return Math.Abs(fx);
- }
+ if (val < 0) return 0;
+ if (val > 255) return 255;
- return Math.Sqrt(Math.Pow(fx, 2) + Math.Pow(fy, 2));
+ return val;
}
#endregion
@@ -514,5 +526,108 @@
}
}
#endregion
+
+ #region 鏆傛椂涓嶇敤
+ /// <summary>
+ /// 璁剧疆鍦板舰淇℃伅
+ /// </summary>
+ private static void SetTerrainInfo(Dataset ds, string outPath, Domain.Layer layer)
+ {
+ string tempPath = Path.Combine(outPath, "temp");
+ if (!Directory.Exists(tempPath)) Directory.CreateDirectory(tempPath);
+
+ string tif = Path.Combine(tempPath, Path.GetFileNameWithoutExtension(ds.GetDescription()) + ".tif");
+ Resample(ds, tif);
+ if (!File.Exists(tif)) throw new Exception("楂樼▼鏂囦欢閲嶆姇褰卞け璐ワ紒");
+
+ Dataset tifDS = null;
+ try
+ {
+ tifDS = Gdal.Open(tif, Access.GA_ReadOnly);
+ if (null == tifDS || 0 == tifDS.RasterCount || null == tifDS.GetSpatialRef()) return;
+
+ double[] transform = new double[6];
+ tifDS.GetGeoTransform(transform);
+ double minx = transform[0];
+ double miny = transform[3] - tifDS.RasterYSize * transform[1];
+ double maxx = transform[0] + (tifDS.RasterYSize * transform[1]);
+ double maxy = transform[3];
+
+ layer.extension = new Extension(minx, miny, maxx, maxy, double.MaxValue, double.MinValue);
+
+ Band band = tifDS.GetRasterBand(1);
+ double[] mm = new double[2];
+ band.ComputeRasterMinMax(mm, 0);
+ layer.terrain.SetHeight(GetMinVal(mm[0]), GetMaxVal(mm[1]));
+ }
+ finally
+ {
+ if (null != tifDS) tifDS.Dispose();
+ }
+ }
+
+ /// <summary>
+ /// 閲嶉噰鏍�
+ /// </summary>
+ private static void Resample(Dataset ds, string dest)
+ {
+ string[] options = new string[] { "-t_srs", "EPSG:4326", "-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)
+ {
+ // https://blog.51cto.com/u_16099346/6691820
+ string cmd = string.Format("{0}gdalwarp.exe -t_srs {1} -ts {2} {3} -r {4} -of GTiff \"{5}\" \"{6}\"", GdalPath, "EPSG:4326", width, height, "bilinear", source, dest);
+ string err = ExecExe(cmd);
+ }
+
+ /// <summary>
+ /// 鎵ц鍛戒护
+ /// </summary>
+ public static string ExecExe(string cmd)
+ {
+ string str = null;
+ Process p = null;
+ try
+ {
+ p = new Process();
+ p.StartInfo.FileName = "cmd.exe";
+ p.StartInfo.UseShellExecute = false;
+ p.StartInfo.CreateNoWindow = true;
+ p.StartInfo.RedirectStandardInput = true;
+ p.StartInfo.RedirectStandardOutput = true;
+ p.StartInfo.RedirectStandardError = true;
+ p.Start();
+
+ StreamWriter si = p.StandardInput;
+ StreamReader se = p.StandardError;
+
+ si.AutoFlush = true;
+ si.WriteLine(cmd);
+ si.WriteLine("exit");
+
+ str = se.ReadToEnd();
+ se.Close();
+ si.Close();
+ }
+ catch (Exception ex)
+ {
+ LogOut.Error(ex.Message + "\r\n" + ex.StackTrace);
+ str = ex.Message;
+ }
+ finally
+ {
+ if (p != null) p.Close();
+ }
+ return str;
+ }
+ #endregion
}
}
--
Gitblit v1.9.3