From 1f22a86346c18ccb29a4a712c4acb05c013b33d4 Mon Sep 17 00:00:00 2001
From: 13693261870 <252740454@qq.com>
Date: 星期一, 22 七月 2024 10:50:57 +0800
Subject: [PATCH] 修改高程和水面的计算方法
---
SimuTools/Tools/Handle.cs | 327 +++++++++++++++++++++++++++++++++++++++++++-----------
1 files changed, 260 insertions(+), 67 deletions(-)
diff --git a/SimuTools/Tools/Handle.cs b/SimuTools/Tools/Handle.cs
index af7aef4..6882a03 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
{
@@ -37,12 +37,13 @@
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);
+ if (Directory.Exists(temp)) Directory.Delete(temp, true);
}
+ #region 鍦板舰
/// <summary>
/// 澶勭悊鍦板舰
/// </summary>
@@ -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 +197,236 @@
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;
-
for (int x = 0; x < width; x++)
{
for (int y = 0; y < height; y++)
{
- if (buffer[x * y] == double.NaN || buffer[x * y] == -9999)
- {
- image.SetPixel(x, y, Color.Transparent);
- continue;
- }
+ int offset = x + y * width;
+ if (float.IsNaN(buffer[offset]) || buffer[offset] < -999) 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 val = Convert.ToInt32((buffer[offset] - layer.extension.minHeight) * 100 / perHeight);
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);
+ }
+ }
+ image.Save(png, System.Drawing.Imaging.ImageFormat.Png);
+ }
+ 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);
}
}
@@ -207,26 +435,15 @@
}
finally
{
- if (null != ds) ds.Dispose();
+ 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
- /// <summary>
- /// 澶勭悊姘撮潰
- /// </summary>
- private static void CopeWater(string waterPath, string outPath, Domain.Layer layer)
- {
-
- }
-
- /// <summary>
- /// 澶勭悊娴侀�熸祦鍚�
- /// </summary>
- private static void CopeFlow(string flowPath, string outPath, Domain.Layer layer)
- {
-
- }
-
+ #region 鍏冩暟鎹�
/// <summary>
/// 澶勭悊鍏冩暟鎹�
/// </summary>
@@ -242,30 +459,6 @@
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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