From ad762577f716b7c0c5a21f5deeda00658fe8ed94 Mon Sep 17 00:00:00 2001
From: 13693261870 <252740454@qq.com>
Date: 星期三, 20 九月 2023 09:32:50 +0800
Subject: [PATCH] 添加获取高程的中心点位置功能
---
ExportMap/cs/TerrainUtils.cs | 43 +++++++++++++++++++++++++++++++++++++++----
1 files changed, 39 insertions(+), 4 deletions(-)
diff --git a/ExportMap/cs/TerrainUtils.cs b/ExportMap/cs/TerrainUtils.cs
index 19287c8..8a55491 100644
--- a/ExportMap/cs/TerrainUtils.cs
+++ b/ExportMap/cs/TerrainUtils.cs
@@ -96,8 +96,7 @@
}
}
- string vrt = CreateLayerJson(args, files, ref err);
-
+ CreateLayerJson(args, files, ref err);
string json = Path.Combine(dirPath, "layer.json");
if (!File.Exists(json)) return PrintInfo("鎵句笉鍒發ayer.json鏂囦欢");
@@ -307,14 +306,50 @@
/// <summary>
/// 鑾峰彇涓績鐐�
/// </summary>
- private static string GetPointZ(XYZArgs args)
+ public static string GetPointZ(XYZArgs args)
{
- double x = 0, y = 0;
+ string dirPath = GetTerrainPath(args.dircode);
+ string vrt = Path.Combine(dirPath, "subs", "dem.vrt");
+ if (!File.Exists(vrt)) return null;
+
+ string gdalPath = Tools.GetSetting("gdalPath");
+ string cmd = string.Format("\"{0}\\gdalinfo.exe\" \"{1}\"", gdalPath, vrt);
+
+ string rs = null;
+ Tools.ExecCmd(new List<string> { cmd }, ref rs);
+ string center = GetCenter(rs);
+ if (string.IsNullOrEmpty(rs)) return null;
+
+ string[] strs = center.Split(new string[] { "," }, StringSplitOptions.None);
+ double x = double.Parse(strs[0]);
+ double y = double.Parse(strs[1]);
return string.Format("ST_GeomFromText('POINT Z ({0} {1} {2})')", x, y, 12);
}
/// <summary>
+ /// 鑾峰彇涓績鍧愭爣
+ /// </summary>
+ private static string GetCenter(string rs)
+ {
+ if (string.IsNullOrEmpty(rs)) return null;
+
+ string[] strs = rs.Split(new string[] { "\r\n" }, StringSplitOptions.RemoveEmptyEntries);
+ foreach (string str in strs)
+ {
+ if (str.StartsWith("Center "))
+ {
+ int start = str.IndexOf("(");
+ int end = str.IndexOf(")");
+
+ return str.Substring(start + 1, end - start - 1).Replace(" ", "");
+ }
+ }
+
+ return null;
+ }
+
+ /// <summary>
/// 閲嶆姇褰�
/// </summary>
public static void Reproject(string sourceFile, string targetFile, string sourceSrs, string targetSrs)
--
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