From ecfe110922f3c542df7aaef9ac9e26cdb0b73e55 Mon Sep 17 00:00:00 2001 From: 13693261870 <252740454@qq.com> Date: 星期六, 20 七月 2024 09:52:58 +0800 Subject: [PATCH] 1 --- SimuTools/Tools/Handle.cs | 77 +++++++++++++++++++++----------------- 1 files changed, 43 insertions(+), 34 deletions(-) diff --git a/SimuTools/Tools/Handle.cs b/SimuTools/Tools/Handle.cs index 7ada463..74796fc 100644 --- a/SimuTools/Tools/Handle.cs +++ b/SimuTools/Tools/Handle.cs @@ -36,9 +36,9 @@ if (!Directory.Exists(temp)) Directory.CreateDirectory(temp); CopeTerrain(terrainFile, outPath, layer); - CopeWater(waterPath, outPath, layer); + //CopeWater(waterPath, outPath, layer); CopeFlow(flowPath, outPath, layer); - //CopeLayerJson(outPath, layer); + CopeLayerJson(outPath, layer); if (Directory.Exists(temp)) Directory.Delete(temp, true); } @@ -56,7 +56,7 @@ if (null == ds || 0 == ds.RasterCount || null == ds.GetSpatialRef()) return; SetTerrainInfo(ds, layer); - CreateTerrainPng(ds, layer, outPath); + //CreateTerrainPng(ds, layer, outPath); } finally { @@ -92,7 +92,8 @@ 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]); + //Resample(ds.GetDescription(), tif, sizes[0], sizes[1]); + Resample(ds, tif, sizes[0], sizes[1]); if (!File.Exists(tif)) { continue; @@ -105,6 +106,32 @@ /// <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) { @@ -181,8 +208,8 @@ { for (int y = 0; y < height; y++) { - int offset = x + y * height; - if (float.IsNaN(buffer[offset]) || buffer[offset] == -9999) + int offset = x + y * width; + if (float.IsNaN(buffer[offset]) || buffer[offset] < -999) { //image.SetPixel(x, y, Color.Transparent); continue; @@ -388,20 +415,26 @@ 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 * height; - //if (float.IsNaN(vxBuffer[offset]) || vxBuffer[offset] == -9999) continue; + 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); + Color color = Color.FromArgb(127, r, g, b); + image.SetPixel(x, y, color); } } @@ -432,30 +465,6 @@ { sw.Write(json); } - } - #endregion - - #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 } -- Gitblit v1.9.3