From 402fdc4cb6f94016cf9749bb1f09a6c5ead5d6d3 Mon Sep 17 00:00:00 2001
From: 13693261870 <252740454@qq.com>
Date: 星期五, 19 七月 2024 12:43:30 +0800
Subject: [PATCH] 添加重采样功能
---
SimuTools/Tools/Handle.cs | 107 +++++++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 106 insertions(+), 1 deletions(-)
diff --git a/SimuTools/Tools/Handle.cs b/SimuTools/Tools/Handle.cs
index da4768d..555cb3c 100644
--- a/SimuTools/Tools/Handle.cs
+++ b/SimuTools/Tools/Handle.cs
@@ -4,6 +4,8 @@
using SimuTools.Domain;
using System;
using System.Collections.Generic;
+using System.Configuration;
+using System.Diagnostics;
using System.IO;
using System.Linq;
using System.Text;
@@ -13,6 +15,8 @@
{
public class Handle
{
+ public static readonly string GdalPath = ConfigurationManager.AppSettings["gdalPath"];
+
public static readonly string BaseDir = AppDomain.CurrentDomain.BaseDirectory;
/// <summary>
@@ -25,10 +29,15 @@
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 +69,7 @@
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]);
@@ -71,10 +80,81 @@
/// </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 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]);
+ if (!File.Exists(tif))
+ {
+ continue;
+ }
+
+ //
}
+ }
+
+ /// <summary>
+ /// 閲嶉噰鏍�
+ /// </summary>
+ private static void Resample(string source, string dest, int width, int height)
+ {
+ 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>
@@ -108,5 +188,30 @@
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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