From 2cca43048718536c991d6095fa22c0d87e5e24d5 Mon Sep 17 00:00:00 2001
From: 13693261870 <252740454@qq.com>
Date: 星期五, 19 七月 2024 20:22:54 +0800
Subject: [PATCH] 1
---
SimuTools/Tools/Handle.cs | 248 +++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 247 insertions(+), 1 deletions(-)
diff --git a/SimuTools/Tools/Handle.cs b/SimuTools/Tools/Handle.cs
index da4768d..24b36b6 100644
--- a/SimuTools/Tools/Handle.cs
+++ b/SimuTools/Tools/Handle.cs
@@ -4,6 +4,9 @@
using SimuTools.Domain;
using System;
using System.Collections.Generic;
+using System.Configuration;
+using System.Diagnostics;
+using System.Drawing;
using System.IO;
using System.Linq;
using System.Text;
@@ -13,6 +16,10 @@
{
public class Handle
{
+ public static readonly int MAX = 256 * 256;
+
+ public static readonly string GdalPath = ConfigurationManager.AppSettings["gdalPath"];
+
public static readonly string BaseDir = AppDomain.CurrentDomain.BaseDirectory;
/// <summary>
@@ -25,10 +32,15 @@
layer.terrain = new Terrain();
layer.waters = new Water();
+ string temp = Path.Combine(outPath, "temp");
+ if (!Directory.Exists(temp)) Directory.CreateDirectory(temp);
+
CopeTerrain(terrainFile, outPath, layer);
CopeWater(waterPath, outPath, layer);
CopeFlow(flowPath, outPath, layer);
CopeLayerJson(outPath, layer);
+
+ if (Directory.Exists(temp)) Directory.Delete(temp, true);
}
/// <summary>
@@ -60,7 +72,7 @@
Geometry maxPoint = GdalHelper.GetMaxPoint(ds);
layer.extension = new Extension(minPoint.GetX(0), minPoint.GetY(0), maxPoint.GetX(0), maxPoint.GetY(0));
- Band band = ds.GetRasterBand(1);
+ OSGeo.GDAL.Band band = ds.GetRasterBand(1);
double[] mm = new double[2];
band.ComputeRasterMinMax(mm, 0);
layer.extension.SetHeight(mm[0], mm[1]);
@@ -71,9 +83,126 @@
/// </summary>
private static void CreateTerrainPng(Dataset ds, Domain.Layer layer, string outPath)
{
+ string tempPath = Path.Combine(outPath, "temp");
+ if (!Directory.Exists(tempPath)) Directory.CreateDirectory(tempPath);
+ string terrainPath = Path.Combine(outPath, "terrain");
+ if (!Directory.Exists(terrainPath)) Directory.CreateDirectory(terrainPath);
+
foreach (int[] sizes in layer.terrain.size)
{
+ string tif = Path.Combine(tempPath, DateTime.Now.Ticks.ToString() + ".tif");
+ Resample(ds.GetDescription(), 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]);
+ }
+ }
+
+ /// <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;
+ }
+
+ /// <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)
+ {
+ 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;
+ //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++)
+ {
+ int offset = x + y * height;
+ if (float.IsNaN(buffer[offset]) || buffer[offset] == -9999)
+ {
+ //image.SetPixel(x, y, Color.Transparent);
+ continue;
+ }
+
+ 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(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);
}
}
@@ -82,7 +211,100 @@
/// </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);
+
+ /*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>
+ /// 鍒涘缓鍦板舰鍥惧眰
+ /// </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");
+ Terrain2Png(layer, tif, png, sizes[0], sizes[1]);
+ }
+ }
+
+ /// <summary>
+ /// 鑾峰彇鏂囦欢
+ /// </summary>
+ private static List<String> GetFiles(string path)
+ {
+ string[] files = Directory.GetFiles(path, "*.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);
+ }
}
/// <summary>
@@ -108,5 +330,29 @@
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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