From f74d84c3b758e9a6ba56f3a73ceb63a5e90c5349 Mon Sep 17 00:00:00 2001
From: 13693261870 <252740454@qq.com>
Date: 星期三, 24 七月 2024 10:04:12 +0800
Subject: [PATCH] 1
---
SimuTools/Tools/Handle.cs | 101 +++++++++++++++++++-------------------------------
1 files changed, 38 insertions(+), 63 deletions(-)
diff --git a/SimuTools/Tools/Handle.cs b/SimuTools/Tools/Handle.cs
index e6d97d6..67a549e 100644
--- a/SimuTools/Tools/Handle.cs
+++ b/SimuTools/Tools/Handle.cs
@@ -59,7 +59,7 @@
if (null == ds || 0 == ds.RasterCount || null == ds.GetSpatialRef()) return;
SetTerrainInfo(ds, layer);
- CreateTerrainPng(ds, layer, outPath);
+ //CreateTerrainPng(ds, layer, outPath);
}
finally
{
@@ -72,9 +72,16 @@
/// </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), 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 +92,17 @@
/// <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>
@@ -131,7 +138,7 @@
string[] options = new string[]
{
"-t_srs",
- "EPSG:4326",
+ layer.terrain.epsg, // "EPSG:4326",
"-ts",
width.ToString(),
height.ToString(),
@@ -140,10 +147,13 @@
layer.extension.miny.ToString(),
layer.extension.maxx.ToString(),
layer.extension.maxy.ToString(),
+ "-te_srs",
+ layer.terrain.epsg, // "EPSG:4326",
"-r",
"bilinear",
"-of",
- "GTiff"
+ "GTiff",
+
};
GDALWarpAppOptions warpAppOptions = new GDALWarpAppOptions(options);
@@ -193,7 +203,7 @@
finally
{
if (null != ds) ds.Dispose();
- if (File.Exists(tif)) File.Delete(tif);
+ //if (File.Exists(tif)) File.Delete(tif);
}
}
#endregion
@@ -211,7 +221,7 @@
SetWaterHeight(layer, files);
if (files.Count != layer.waters.data.Count) return;
- ProcessWaters(files, outPath, layer);
+ //ProcessWaters(files, outPath, layer);
}
/// <summary>
@@ -361,7 +371,7 @@
finally
{
if (null != ds) ds.Dispose();
- if (File.Exists(tif)) File.Delete(tif);
+ //if (File.Exists(tif)) File.Delete(tif);
}
}
#endregion
@@ -440,29 +450,21 @@
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);
@@ -476,14 +478,20 @@
int offset = x + y * width;
float fx = GetFloatValue(vxBuffer[offset]);
float fy = GetFloatValue(vyBuffer[offset]);
- double rv = GetRVal(fx, fy);
- if (double.IsNaN(rv) || rv == 0) continue;
+ if (float.IsNaN(fx) && float.IsNaN(fy) || (fx == 0 && fy == 0)) continue;
- double dv = GetXyValue(fx, fy, rv);
- int r = Convert.ToInt32(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;
+ fx = float.IsNaN(fx) ? 0 : fx;
+ fy = float.IsNaN(fy) ? 0 : fy;
+ double dr = Math.Sqrt(Math.Pow(fx, 2) + Math.Pow(fy, 2));
+
+ int r = Convert.ToInt32((dr * 0.5 + 0.5) * 255);
+ int g = Convert.ToInt32((fx / dr * 0.5 + 0.5) * 255);
+ int b = Convert.ToInt32((fy / dr * 0.5 + 0.5) * 255);
+
+ if (r < 0 || r > 255)
+ {
+ r = 255;
+ }
if (g < 0 || g > 255) g = 255;
if (b < 0 || b > 255) b = 255;
@@ -500,39 +508,6 @@
private static float GetFloatValue(float val)
{
return (float.IsNaN(val) || val < -999) ? float.NaN : val;
- }
-
- /// <summary>
- /// 鑾峰彇R鍊�
- /// </summary>
- private static double GetRVal(float fx, float fy)
- {
- if (float.IsNaN(fx) && float.IsNaN(fy)) return double.NaN;
-
- 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))
- {
- 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);
}
#endregion
--
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