From 9d25253a85cc4fb3aa0f4adc764626ad0e64d66a Mon Sep 17 00:00:00 2001
From: 13693261870 <252740454@qq.com>
Date: 星期四, 25 七月 2024 14:40:01 +0800
Subject: [PATCH] 修改算法-1
---
SimuTools/Tools/Handle.cs | 246 ++++++++++++++++++++++++++++++-------------------
1 files changed, 151 insertions(+), 95 deletions(-)
diff --git a/SimuTools/Tools/Handle.cs b/SimuTools/Tools/Handle.cs
index febc768..0b3938d 100644
--- a/SimuTools/Tools/Handle.cs
+++ b/SimuTools/Tools/Handle.cs
@@ -18,6 +18,10 @@
#region 鎴愬憳鍙橀噺
public static readonly int MAX = 256 * 256;
+ 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;
@@ -38,7 +42,7 @@
string temp = Path.Combine(outPath, "temp");
if (!Directory.Exists(temp)) Directory.CreateDirectory(temp);
- CopeTerrain(terrainFile, outPath, layer);
+ CopeTerrain(terrainFile, waterPath, outPath, layer);
CopeWater(waterPath, outPath, layer);
CopeFlow(flowPath, outPath, layer);
CopeLayerJson(outPath, layer);
@@ -50,7 +54,7 @@
/// <summary>
/// 澶勭悊鍦板舰
/// </summary>
- private static void CopeTerrain(string terrainFile, string outPath, Domain.Layer layer)
+ private static void CopeTerrain(string terrainFile, string waterPath, string outPath, Domain.Layer layer)
{
Dataset ds = null;
try
@@ -59,6 +63,7 @@
if (null == ds || 0 == ds.RasterCount || null == ds.GetSpatialRef()) return;
SetTerrainInfo(ds, layer);
+ SetWaterInfo(waterPath, layer);
CreateTerrainPng(ds, layer, outPath);
}
finally
@@ -72,9 +77,16 @@
/// </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.MaxValue, double.MinValue);
+ 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);
Band band = ds.GetRasterBand(1);
double[] mm = new double[2];
@@ -85,17 +97,17 @@
/// <summary>
/// 鑾峰彇鏈�灏忓��
/// </summary>
- private static double GetMinVal(double val)
+ private static double GetMinVal(double val, double radix = 1000)
{
- return Convert.ToInt32(Math.Floor(val * 1000)) / 1000.0;
+ return Convert.ToInt32(Math.Floor(val * radix)) / radix;
}
/// <summary>
/// 鑾峰彇鏈�澶у��
/// </summary>
- private static double GetMaxVal(double val)
+ private static double GetMaxVal(double val, double radix = 1000)
{
- return Convert.ToInt32(Math.Ceiling(val * 1000)) / 1000.0;
+ return Convert.ToInt32(Math.Ceiling(val * radix)) / radix;
}
/// <summary>
@@ -130,20 +142,12 @@
//string[] options = Gdal.ParseCommandLine(args);
string[] options = new string[]
{
- "-t_srs",
- "EPSG:4326",
- "-ts",
- width.ToString(),
- height.ToString(),
- "-te",
- layer.extension.minx.ToString(),
- layer.extension.miny.ToString(),
- layer.extension.maxx.ToString(),
- layer.extension.maxy.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);
@@ -170,19 +174,30 @@
Graphics graphic = Graphics.FromImage(image);
graphic.Clear(Color.Transparent); // 濉厖閫忔槑鑹�
- double perHeight = (layer.terrain.maxHeight - layer.terrain.minHeight) * 100 / 65536;
+ //double perHeight = (layer.terrain.maxHeight - layer.terrain.minHeight) * 100 / 65536;
+ //double differ = layer.terrain.maxHeight - layer.terrain.minHeight;
+ double differ = layer.extension.maxHeight - layer.extension.minHeight, minHeight = layer.extension.minHeight;
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;
+ if (float.IsNaN(buffer[offset]) || buffer[offset] < -999 || buffer[offset] < minHeight) continue;
- //int val = Convert.ToInt32(buffer[offset] * 100);
- int val = Convert.ToInt32((buffer[offset] - layer.terrain.minHeight) * 100 / perHeight);
- int r = val / 65536;
- int g = (val - r * 65536) / 256;
- int b = val % 256;
+ //int val = Convert.ToInt32((buffer[offset] - layer.terrain.minHeight) * 100 / perHeight);
+ //int val = Convert.ToInt32((buffer[offset] - layer.terrain.minHeight) / differ * 255); // 65535
+
+ int r = 0, g, b;
+ if (buffer[offset] - layer.extension.maxHeight > 0)
+ {
+ g = b = 255;
+ }
+ else
+ {
+ int val = Convert.ToInt32((buffer[offset] - minHeight) / differ * 65535);
+ g = val / 256;
+ b = val % 256;
+ }
Color color = Color.FromArgb(127, r, g, b);
image.SetPixel(x, y, color);
@@ -193,23 +208,31 @@
finally
{
if (null != ds) ds.Dispose();
- if (File.Exists(tif)) File.Delete(tif);
+ //if (File.Exists(tif)) File.Delete(tif);
}
}
#endregion
#region 姘撮潰
/// <summary>
- /// 澶勭悊姘撮潰
+ /// 璁剧疆姘撮潰淇℃伅
/// </summary>
- private static void CopeWater(string waterPath, string outPath, Domain.Layer layer)
+ private static void SetWaterInfo(string waterPath, Domain.Layer layer)
{
- List<string> files = GetFiles(waterPath);
+ List<string> files = layer.waters.files = GetFiles(waterPath);
if (null == files || files.Count == 0) return;
SetWaterData(layer, files);
SetWaterHeight(layer, files);
- if (files.Count != layer.waters.data.Count) return;
+ }
+
+ /// <summary>
+ /// 澶勭悊姘撮潰
+ /// </summary>
+ private static void CopeWater(string waterPath, string outPath, Domain.Layer layer)
+ {
+ List<String> files = layer.waters.files;
+ if (files.Count == 0 || files.Count != layer.waters.data.Count) return;
ProcessWaters(files, outPath, layer);
}
@@ -220,7 +243,7 @@
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;
+ if (null == files || files.Length == 0) return new List<string>();
List<string> list = files.ToList();
list.Sort();
@@ -246,6 +269,8 @@
DateTime d = new DateTime(now.Year, now.Month, now.Day, hour, minute, second);
layer.waters.data.Add((d.Ticks - startTicks) / 10000);
}
+ layer.duration.start = layer.waters.data[0];
+ layer.duration.end = layer.waters.data[layer.waters.data.Count - 1];
}
/// <summary>
@@ -270,8 +295,8 @@
if (null != ds) ds.Dispose();
}
});
- layer.extension.minHeight = GetMinVal(layer.extension.minHeight);
- layer.extension.maxHeight = GetMaxVal(layer.extension.maxHeight + WaterHeightOffset);
+ layer.extension.minHeight = GetMinVal(layer.extension.minHeight - 1);
+ layer.extension.maxHeight = GetMaxVal(layer.extension.maxHeight + 1);
}
/// <summary>
@@ -330,7 +355,7 @@
ds = Gdal.Open(tif, Access.GA_ReadOnly);
if (null == ds || 0 == ds.RasterCount) return;
- OSGeo.GDAL.Band band = ds.GetRasterBand(1);
+ Band band = ds.GetRasterBand(1);
float[] buffer = new float[width * height];
band.ReadRaster(0, 0, width, height, buffer, width, height, 0, 0);
@@ -338,19 +363,32 @@
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;
+ //double perHeight = (layer.extension.maxHeight - layer.extension.minHeight) * 100 / 65536;
+ double differ = layer.extension.maxHeight - layer.extension.minHeight, minHeight = layer.extension.minHeight;
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;
+ if (float.IsNaN(buffer[offset]) || buffer[offset] < -999 || buffer[offset] < minHeight) 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;
+ //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;
+
+ int r = 0, g, b;
+ if (buffer[offset] - layer.extension.maxHeight > 0)
+ {
+ g = b = 255;
+ }
+ else
+ {
+ int val = Convert.ToInt32((buffer[offset] - minHeight) / differ * 65535);
+ g = val / 256;
+ b = val % 256;
+ }
Color color = Color.FromArgb(127, r, g, b);
image.SetPixel(x, y, color);
@@ -361,7 +399,7 @@
finally
{
if (null != ds) ds.Dispose();
- if (File.Exists(tif)) File.Delete(tif);
+ //if (File.Exists(tif)) File.Delete(tif);
}
}
#endregion
@@ -440,29 +478,21 @@
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];
- double perHeight = (max - min) / 255;
-
- CreateFlowPng(vxBuffer, vyBuffer, min, perHeight, png, width, height);
+ 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);
}
}
/// <summary>
/// 鍒涘缓娴侀�熸祦鍚慞NG
/// </summary>
- private static void CreateFlowPng(float[] vxBuffer, float[] vyBuffer, double minHeight, double perHeight, string png, int width, int height)
+ private static void CreateFlowPng(float[] vxBuffer, float[] vyBuffer, string png, int width, int height)
{
Bitmap image = new Bitmap(width, height);
Graphics graphic = Graphics.FromImage(image);
@@ -476,17 +506,17 @@
int offset = x + y * width;
float fx = GetFloatValue(vxBuffer[offset]);
float fy = GetFloatValue(vyBuffer[offset]);
- double rv = GetRVal(fx, fy);
- double dv = GetXyValue(fx, fy, rv);
+ if (float.IsNaN(fx) && float.IsNaN(fy) || (fx == 0 && fy == 0)) continue;
- int r= Convert.ToInt32(double.IsNaN(dv) || dv == 0 ? 0 : (dv * 0.5 + 0.5) * 255);
- int g = float.IsNaN(fx) ? 0 : Convert.ToInt32((fx - minHeight) / perHeight);
- int b = float.IsNaN(fy) ? 0 : Convert.ToInt32((fy - minHeight) / perHeight);
- if (r < 0 || r > 255) r = 255;
- if (g < 0 || g > 255) g = 255;
- if (b < 0 || b > 255) b = 255;
+ fx = float.IsNaN(fx) ? 0 : fx;
+ fy = float.IsNaN(fy) ? 0 : fy;
+ double dr = Math.Sqrt(Math.Pow(fx, 2) + Math.Pow(fy, 2));
- Color color = Color.FromArgb(127, r, g, b);
+ 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, GetSafeValue(r), GetSafeValue(g), GetSafeValue(b));
image.SetPixel(x, y, color);
}
}
@@ -502,38 +532,14 @@
}
/// <summary>
- /// 鑾峰彇R鍊�
+ /// 鑾峰彇瀹夊叏鍊�
/// </summary>
- private static double GetRVal(float fx, float fy)
+ private static int GetSafeValue(int val)
{
- if (float.IsNaN(fx) && float.IsNaN(fy)) return double.NaN;
+ if (val < 0) return 0;
+ if (val > 255) return 255;
- if (float.IsNaN(fx)) return Math.Abs(fy);
-
- if (float.IsNaN(fy)) return Math.Abs(fx);
-
- return Math.Sqrt(Math.Pow(fx, 2) + Math.Pow(fy, 2));
- }
-
- /// <summary>
- /// 鑾峰彇XY鍊�
- /// </summary>
- private static double GetXyValue(float fx, float fy, double rv)
- {
- if ((float.IsNaN(fx) && float.IsNaN(fy)) || double.IsNaN(rv)) return 0;
-
- if (float.IsNaN(fx))
- {
- return fy / rv;
- }
- if (float.IsNaN(fy))
- {
- return fx / rv;
- }
-
- double dv = fx / rv + fy / rv;
-
- return dv < 0 ? -Math.Sqrt(-dv) : Math.Sqrt(dv);
+ return val;
}
#endregion
@@ -557,7 +563,57 @@
#region 鏆傛椂涓嶇敤
/// <summary>
- /// 閲嶉噰鏍� *
+ /// 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)
{
--
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