623 lines
27 KiB
C#
623 lines
27 KiB
C#
using ICSharpCode.SharpZipLib.Zip;
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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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using System.Xml;
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namespace Learun.Application.Web.Common
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{
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/// <summary>
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/// KML实体
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/// </summary>
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public class Placemark
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{
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public string name { get; set; }
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public string typeStr { get; set; }
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public List<double> points { get; set; }
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public object style { get; set; }
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public List<Coordinates> coordinates { get; set; }
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}
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/// <summary>
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/// 坐标
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/// </summary>
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public class Coordinates
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{
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public double X { get; set; }
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public double Y { get; set; }
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public double Z { get; set; }
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}
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public class KmlUtility
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{
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/// <summary>
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/// 解压缩文件(压缩文件中含有子目录)
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/// </summary>
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/// <param name="zipfilepath">待解压缩的文件路径</param>
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/// <param name="unzippath">解压缩到指定目录</param>
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/// <returns>解压后的文件列表</returns>
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public static List<string> UnZip(string zipfilepath, string unzippath)
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{
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if (!File.Exists(zipfilepath))
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{
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return new List<string>();
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}
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//解压出来的文件列表
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List<string> unzipFiles = new List<string>();
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//检查输出目录是否以“\\”结尾
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List<string> kmlfile = new List<string>();
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if (unzippath.EndsWith("\\") == false || unzippath.EndsWith(":\\") == false)
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{
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unzippath += "\\";
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}
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ZipInputStream s = new ZipInputStream(File.OpenRead(zipfilepath));
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ZipEntry theEntry;
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while ((theEntry = s.GetNextEntry()) != null)
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{
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if (Path.GetExtension(theEntry.Name).ToLower() == ".kml")
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{
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string directoryName = Path.GetDirectoryName(unzippath);
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string fileName = Path.GetFileName(theEntry.Name);
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//生成解压目录【用户解压到硬盘根目录时，不需要创建】
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if (!string.IsNullOrEmpty(directoryName))
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{
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Directory.CreateDirectory(directoryName);
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}
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if (fileName != String.Empty)
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{
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//如果文件的压缩后大小为0那么说明这个文件是空的,因此不需要进行读出写入
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if (theEntry.CompressedSize == 0)
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continue;
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//解压文件到指定的目录
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directoryName = Path.GetDirectoryName(unzippath + theEntry.Name);
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//建立下面的目录和子目录
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Directory.CreateDirectory(directoryName);
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kmlfile.Add(unzippath + theEntry.Name);
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//记录导出的文件
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unzipFiles.Add(unzippath + theEntry.Name);
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FileStream streamWriter = File.Create(unzippath + theEntry.Name);
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int size = 2048;
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byte[] data = new byte[2048];
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while (true)
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{
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size = s.Read(data, 0, data.Length);
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if (size > 0)
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{
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streamWriter.Write(data, 0, size);
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}
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else
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{
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break;
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}
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}
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streamWriter.Close();
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}
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}
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}
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s.Close();
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GC.Collect();
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return kmlfile;
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}
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/// <summary>
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/// 获取kml对象
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/// </summary>
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/// <param name="kmlPath"></param>
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/// <returns></returns>
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public static List<Placemark> readKml(string kmlPath, bool isAPP = false)
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{
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List<string> list = new List<string>();
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List<Placemark> retMarks = new List<Placemark>();
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if (!File.Exists(kmlPath))
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{
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return new List<Placemark>();
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}
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if (Path.GetExtension(kmlPath).ToLower() == ".kmz")
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{
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list = UnZip(kmlPath, Path.GetDirectoryName(kmlPath));
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}
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else
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{
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list.Add(kmlPath);
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}
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foreach (var path in list)
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{
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XmlDocument xmldoc = new XmlDocument();
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xmldoc.Load(path);
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//申明xml命名空间管理对象
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XmlNamespaceManager nsmanager = new XmlNamespaceManager(xmldoc.NameTable);
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XmlElement root = xmldoc.DocumentElement;
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//添加命名空间
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nsmanager.AddNamespace("XX", "" + root.NamespaceURI + "");
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/////规范命名空间
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XmlNode t = root.GetElementsByTagName("Kml")[0];
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XmlNode _document = root.GetElementsByTagName("Document")[0];
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// XmlNodeList xmlmark = root.GetElementsByTagName("Placemark");
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XmlNodeList xmlmark = xmldoc.SelectNodes("//XX:Placemark", nsmanager);
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int tpid = 0;//踏勘点序号
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foreach (XmlElement element in xmlmark)
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{
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Placemark mark = new Placemark();
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mark.points = new List<double>();
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tpid = tpid + 1;
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string note = "";
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var nameNode = element.GetElementsByTagName("name");
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if (nameNode != null && nameNode.Count > 0)
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{
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string nmNode = nameNode[0].InnerText;
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note = nmNode.Trim();
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}
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mark.name = note;
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XmlElement cNode = null;
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var pointNode = element.GetElementsByTagName("Point");
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if (pointNode != null && pointNode.Count > 0)
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{
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mark.typeStr = "point";
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cNode = (XmlElement)pointNode[0];
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}
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else
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{
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var lineNode = element.GetElementsByTagName("LineString");
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if (lineNode != null && lineNode.Count > 0)
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{
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mark.typeStr = "line";
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cNode = (XmlElement)lineNode[0];
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}
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else
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{
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continue;
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}
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}
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var coordinatesNode = cNode.GetElementsByTagName("coordinates");
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if (coordinatesNode != null && coordinatesNode.Count > 0)
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{
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string pointstr = coordinatesNode[0].InnerText;
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var points = pointstr.Split(new char[] { '\n', ' ' });
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var pointsCount = points.Length;
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int pIndex = -1;
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foreach (var item in points)
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{
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pIndex++;
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if (pointsCount > 50)
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{
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if (isAPP && pIndex != 0 && pIndex != pointsCount - 1)
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{
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var yu = pIndex % 4;
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if (yu != 0)
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{
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continue;
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}
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}
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}
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var pointStr = item.Trim();
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if (string.IsNullOrEmpty(pointStr))
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{
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continue;
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}
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var point = pointStr.Split(',');
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if (point.Length < 3)
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{
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continue;
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}
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double X = Convert.ToDouble(point[0].Trim());
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double Y = Convert.ToDouble(point[1].Trim());
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mark.points.Add(X);
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mark.points.Add(Y);
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}
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}
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//线必须大于两个点
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if (mark.points.Count < 4 && (mark.points.Count % 2) != 0 && mark.typeStr == "line")
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{
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continue;
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}
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if (mark.points.Count > 0)
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{
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retMarks.Add(mark);
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}
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}
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}
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return retMarks;
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}
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/// <summary>
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/// 获取kml对象
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/// </summary>
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/// <param name="kmlPath"></param>
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/// <returns></returns>
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public static List<Placemark> readzKml(string kmlPath, bool isAPP = false)
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{
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List<string> list = new List<string>();
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List<Placemark> retMarks = new List<Placemark>();
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if (!File.Exists(kmlPath))
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{
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return new List<Placemark>();
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}
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if (Path.GetExtension(kmlPath).ToLower() == ".kmz")
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{
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list = UnZip(kmlPath, Path.GetDirectoryName(kmlPath));
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}
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else
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{
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list.Add(kmlPath);
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}
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foreach (var path in list)
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{
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XmlDocument xmldoc = new XmlDocument();
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xmldoc.Load(path);
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//申明xml命名空间管理对象
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XmlNamespaceManager nsmanager = new XmlNamespaceManager(xmldoc.NameTable);
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XmlElement root = xmldoc.DocumentElement;
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//添加命名空间
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nsmanager.AddNamespace("XX", "" + root.NamespaceURI + "");
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/////规范命名空间
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XmlNode t = root.GetElementsByTagName("Kml")[0];
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XmlNode _document = root.GetElementsByTagName("Document")[0];
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// XmlNodeList xmlmark = root.GetElementsByTagName("Placemark");
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XmlNodeList xmlmark = xmldoc.SelectNodes("//XX:Placemark", nsmanager);
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int tpid = 0;//踏勘点序号
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foreach (XmlElement element in xmlmark)
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{
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Placemark mark = new Placemark();
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mark.points = new List<double>();
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tpid = tpid + 1;
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string note = "";
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var nameNode = element.GetElementsByTagName("name");
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if (nameNode != null && nameNode.Count > 0)
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{
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string nmNode = nameNode[0].InnerText;
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note = nmNode.Trim();
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}
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mark.name = note;
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XmlElement cNode = null;
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var pointNode = element.GetElementsByTagName("Point");
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var lineString = element.GetElementsByTagName("LineString");
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var linearRing = element.GetElementsByTagName("LinearRing");
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if (pointNode != null && pointNode.Count > 0)
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{
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mark.typeStr = "point";
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cNode = (XmlElement)pointNode[0];
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}
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else if (lineString != null && lineString.Count > 0)
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{
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mark.typeStr = "line";
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cNode = (XmlElement)lineString[0];
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}
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else if (linearRing != null && linearRing.Count > 0)
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{
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mark.typeStr = "ring";
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cNode = (XmlElement)linearRing[0];
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}
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else
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{
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continue;
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}
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var coordinatesNode = cNode.GetElementsByTagName("coordinates");
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if (coordinatesNode != null && coordinatesNode.Count > 0)
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{
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string pointstr = coordinatesNode[0].InnerText;
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var points = pointstr.Split(new char[] { '\n', ' ' });
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var pointsCount = points.Length;
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int pIndex = -1;
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foreach (var item in points)
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{
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pIndex++;
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var pointStr = item.Trim();
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if (string.IsNullOrEmpty(pointStr))
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{
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continue;
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}
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var point = pointStr.Split(',');
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if (point.Length < 3)
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{
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continue;
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}
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double X = Convert.ToDouble(point[0].Trim());
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double Y = Convert.ToDouble(point[1].Trim());
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double Z = Convert.ToDouble(point[2].Trim());
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if (mark.typeStr == "line")
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{
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Z += 100;
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}
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mark.points.Add(X);
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mark.points.Add(Y);
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mark.points.Add(Z);
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}
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}
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//线必须大于两个点
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if (mark.points.Count < 6 && (mark.points.Count % 3) != 0 && mark.typeStr == "line")
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{
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continue;
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}
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if (mark.points.Count > 0)
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{
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retMarks.Add(mark);
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}
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}
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}
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return retMarks;
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}
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/// <summary>
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/// 获取kml对象
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/// </summary>
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/// <param name="kmlPath"></param>
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/// <returns></returns>
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public static List<Placemark> readzKml(string kmlPath)
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{
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List<string> list = new List<string>();
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List<Placemark> retMarks = new List<Placemark>();
|
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if (!File.Exists(kmlPath))
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{
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return new List<Placemark>();
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}
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if (Path.GetExtension(kmlPath).ToLower() == ".kmz")
|
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{
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list = UnZip(kmlPath, Path.GetDirectoryName(kmlPath));
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}
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else
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{
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list.Add(kmlPath);
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}
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||
foreach (var path in list)
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{
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XmlDocument xmldoc = new XmlDocument();
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||
xmldoc.Load(path);
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||
//申明xml命名空间管理对象
|
||
XmlNamespaceManager nsmanager = new XmlNamespaceManager(xmldoc.NameTable);
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XmlElement root = xmldoc.DocumentElement;
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//添加命名空间
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nsmanager.AddNamespace("XX", "" + root.NamespaceURI + "");
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/////规范命名空间
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XmlNode t = root.GetElementsByTagName("Kml")[0];
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XmlNode _document = root.GetElementsByTagName("Document")[0];
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XmlNodeList xmlmark = xmldoc.SelectNodes("//XX:Placemark", nsmanager);
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foreach (XmlElement element in xmlmark)
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{
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Placemark mark = new Placemark();
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mark.coordinates = new List<Coordinates>();
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string note = "";
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var nameNode = element.GetElementsByTagName("name");
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if (nameNode != null && nameNode.Count > 0)
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{
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string nmNode = nameNode[0].InnerText;
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note = nmNode.Trim();
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}
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mark.name = note;
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string IconStyleColor = "";
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string LabelStyleColor = "";
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string LineStyleColor = "";
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string LineStyleWidth = "";
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var styleNode = element.GetElementsByTagName("Style");
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if (styleNode != null && styleNode.Count > 0)
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{
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XmlElement tempStyleNode = (XmlElement)styleNode[0];
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//图标样式
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var iconStyle = tempStyleNode.GetElementsByTagName("IconStyle");
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if (iconStyle != null && iconStyle.Count > 0)
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{
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XmlElement iconStyleNode = (XmlElement)iconStyle[0];
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var color = iconStyleNode.GetElementsByTagName("color");
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IconStyleColor = color[0].InnerText.Trim();
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}
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//标签样式
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var labelStyle = tempStyleNode.GetElementsByTagName("LabelStyle");
|
||
if (iconStyle != null && iconStyle.Count > 0)
|
||
{
|
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XmlElement labelStyleNode = (XmlElement)labelStyle[0];
|
||
var color = labelStyleNode.GetElementsByTagName("color");
|
||
LabelStyleColor = color[0].InnerText.Trim();
|
||
}
|
||
//线样式
|
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var lineStyle = tempStyleNode.GetElementsByTagName("LineStyle");
|
||
if (lineStyle != null && lineStyle.Count > 0)
|
||
{
|
||
XmlElement lineStyleNode = (XmlElement)lineStyle[0];
|
||
var lineStyleColor = lineStyleNode.GetElementsByTagName("color");
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||
LineStyleColor = lineStyleColor[0].InnerText.Trim();
|
||
var width = lineStyleNode.GetElementsByTagName("width");
|
||
LineStyleWidth = width[0].InnerText.Trim();
|
||
}
|
||
}
|
||
XmlElement cNode = null;
|
||
var pointNode = element.GetElementsByTagName("Point");
|
||
var lineString = element.GetElementsByTagName("LineString");
|
||
var linearRing = element.GetElementsByTagName("LinearRing");
|
||
if (pointNode != null && pointNode.Count > 0)
|
||
{
|
||
mark.typeStr = "point";
|
||
foreach (var p in pointNode)
|
||
{
|
||
cNode = (XmlElement)p;
|
||
//点的样式
|
||
mark.style = new { IconStyleColor, LabelStyleColor };
|
||
var coordinatesNode = cNode.GetElementsByTagName("coordinates");
|
||
if (coordinatesNode != null && coordinatesNode.Count > 0)
|
||
{
|
||
string pointstr = coordinatesNode[0].InnerText;
|
||
var points = pointstr.Split(new char[] { '\n', ' ' });
|
||
var pointsCount = points.Length;
|
||
foreach (var item in points)
|
||
{
|
||
var coordinates = new Coordinates();
|
||
var pointStr = item.Trim();
|
||
if (string.IsNullOrEmpty(pointStr))
|
||
{
|
||
continue;
|
||
}
|
||
var point = pointStr.Split(',');
|
||
double X = Convert.ToDouble(point[0].Trim());
|
||
double Y = Convert.ToDouble(point[1].Trim());
|
||
coordinates.X = X;
|
||
coordinates.Y = Y;
|
||
coordinates.Z = 0;
|
||
mark.coordinates.Add(coordinates);
|
||
}
|
||
}
|
||
}
|
||
}
|
||
if (lineString != null && lineString.Count > 0)
|
||
{
|
||
mark.typeStr = "line";
|
||
foreach (var p in lineString)
|
||
{
|
||
cNode = (XmlElement)p;
|
||
//线的样式
|
||
mark.style = new { LineStyleColor, LineStyleWidth };
|
||
var coordinatesNode = cNode.GetElementsByTagName("coordinates");
|
||
if (coordinatesNode != null && coordinatesNode.Count > 0)
|
||
{
|
||
string pointstr = coordinatesNode[0].InnerText;
|
||
var points = pointstr.Split(new char[] { '\n', ' ' });
|
||
var pointsCount = points.Length;
|
||
foreach (var item in points)
|
||
{
|
||
var coordinates = new Coordinates();
|
||
var pointStr = item.Trim();
|
||
if (string.IsNullOrEmpty(pointStr))
|
||
{
|
||
continue;
|
||
}
|
||
var point = pointStr.Split(',');
|
||
double X = Convert.ToDouble(point[0].Trim());
|
||
double Y = Convert.ToDouble(point[1].Trim());
|
||
coordinates.X = X;
|
||
coordinates.Y = Y;
|
||
coordinates.Z = 0;
|
||
mark.coordinates.Add(coordinates);
|
||
}
|
||
}
|
||
}
|
||
}
|
||
if (linearRing != null && linearRing.Count > 0)
|
||
{
|
||
mark.typeStr = "ring";
|
||
foreach (var p in linearRing)
|
||
{
|
||
cNode = (XmlElement)p;
|
||
var coordinatesNode = cNode.GetElementsByTagName("coordinates");
|
||
if (coordinatesNode != null && coordinatesNode.Count > 0)
|
||
{
|
||
string pointstr = coordinatesNode[0].InnerText;
|
||
var points = pointstr.Split(new char[] { '\n', ' ' });
|
||
var pointsCount = points.Length;
|
||
foreach (var item in points)
|
||
{
|
||
var coordinates = new Coordinates();
|
||
var pointStr = item.Trim();
|
||
if (string.IsNullOrEmpty(pointStr))
|
||
{
|
||
continue;
|
||
}
|
||
var point = pointStr.Split(',');
|
||
|
||
double X = Convert.ToDouble(point[0].Trim());
|
||
double Y = Convert.ToDouble(point[1].Trim());
|
||
coordinates.X = X;
|
||
coordinates.Y = Y;
|
||
coordinates.Z = 0;
|
||
mark.coordinates.Add(coordinates);
|
||
}
|
||
}
|
||
}
|
||
}
|
||
retMarks.Add(mark);
|
||
}
|
||
}
|
||
return retMarks;
|
||
}
|
||
|
||
/// <summary>
|
||
/// 获取KML桩号坐标集合
|
||
/// </summary>
|
||
/// <param name="filePath">路径</param>
|
||
/// <returns></returns>
|
||
public static List<Placemark> GetStakeCoordinate(string filePath)
|
||
{
|
||
List<string> list = new List<string>();
|
||
List<Placemark> retMarks = new List<Placemark>();
|
||
if (!File.Exists(filePath))
|
||
{
|
||
return new List<Placemark>();
|
||
}
|
||
if (Path.GetExtension(filePath).ToLower() == ".kmz")
|
||
{
|
||
list = UnZip(filePath, Path.GetDirectoryName(filePath));
|
||
}
|
||
else
|
||
{
|
||
list.Add(filePath);
|
||
}
|
||
foreach (var path in list)
|
||
{
|
||
XmlDocument xmldoc = new XmlDocument();
|
||
xmldoc.Load(path);
|
||
//申明xml命名空间管理对象
|
||
XmlNamespaceManager nsmanager = new XmlNamespaceManager(xmldoc.NameTable);
|
||
XmlElement root = xmldoc.DocumentElement;
|
||
//添加命名空间
|
||
nsmanager.AddNamespace("XX", "" + root.NamespaceURI + "");
|
||
/////规范命名空间
|
||
XmlNode t = root.GetElementsByTagName("Kml")[0];
|
||
XmlNode _document = root.GetElementsByTagName("Document")[0];
|
||
XmlNodeList xmlmark = xmldoc.SelectNodes("//XX:Placemark", nsmanager);
|
||
//var isselect = false;
|
||
foreach (XmlElement element in xmlmark)
|
||
{
|
||
Placemark mark = new Placemark();
|
||
mark.points = new List<double>();
|
||
string note = string.Empty;
|
||
var nameNode = element.GetElementsByTagName("name");
|
||
if (nameNode != null && nameNode.Count > 0)
|
||
{
|
||
//string nmNode = nameNode[0].InnerText.Trim();
|
||
//note = Regex.Replace(nmNode, "[ \\[ \\] \\^ \\-_*×――(^)|'$%~!@#$…&%￥—+=<>《》!！??？:：•`·、。，；,.;\"‘’“”-]", "").ToUpper();
|
||
note = nameNode[0].InnerText.Trim();
|
||
}
|
||
mark.name = note;
|
||
// if (name.Contains(mark.name) || isselect)
|
||
//{
|
||
//if (!isselect)
|
||
//{
|
||
// mark.name = name;
|
||
//}
|
||
XmlElement cNode = null;
|
||
var pointNode = element.GetElementsByTagName("Point");
|
||
if (pointNode != null && pointNode.Count > 0)
|
||
{
|
||
mark.typeStr = "point";
|
||
cNode = (XmlElement)pointNode[0];
|
||
}
|
||
if (cNode != null)
|
||
{
|
||
var coordinatesNode = cNode.GetElementsByTagName("coordinates");
|
||
if (coordinatesNode != null && coordinatesNode.Count > 0)
|
||
{
|
||
string pointstr = coordinatesNode[0].InnerText.Trim();
|
||
var points = pointstr.Split(',');
|
||
double X = Convert.ToDouble(points[0].Trim());
|
||
double Y = Convert.ToDouble(points[1].Trim());
|
||
mark.points.Add(X);
|
||
mark.points.Add(Y);
|
||
mark.points.Add(0);
|
||
retMarks.Add(mark);
|
||
}
|
||
|
||
}
|
||
}
|
||
}
|
||
return retMarks;
|
||
}
|
||
|
||
}
|
||
} |