TerraGate SFS 4.5 版本 发布矢量数据使用的Cache数据如何再返回成shapefile文件
TerraGate SFS 4.5 版本 发布矢量数据使用的Cache数据如何再返回成shapefile文件?
两年前帮一个朋友解决过这个问题:
如果原来用4.5版本的时候,在网络环境下,为了提升调用服务器上发布的矢量数据的效率,对一些矢量shapefile格式的数据做了矢量切片,
而后来又弄丢了切片前的原始shapefile数据,当再需要那些原始的shapefile数据的时候,这该怎么办呢?
前几天整理电脑里的资料,刚好看到了这个,就把代码贴出来,分享给大家吧,也许对一些老朋友有用。
- using System;
- using System.Collections.Generic;
- using System.ComponentModel;
- using System.Data;
- using System.Drawing;
- using System.Linq;
- using System.Text;
- using System.Windows.Forms;
- using System.IO;
- using System.Xml;
- using TerraExplorerX;
- namespace CacheToSHP
- {
- public partial class FrmMain : Form
- {
- public SGWorld65 sgworld = null;
- IFeatureLayer65 pIFeatureLayer65 = null;
- int ixmlc = ;
- public FrmMain()
- {
- InitializeComponent();
- sgworld = new SGWorld65();
- }
- private void btnSelectPath_Click(object sender, EventArgs e)
- {
- this.folderBrowserDialog1.ShowDialog();
- this.txtCachePath.Text = this.folderBrowserDialog1.SelectedPath;
- this.txtLayerName.Text = "";
- this.txtOutPath.Text = "";
- this.lblTips.Text = "";
- ixmlc = ;
- //清楚dataGridView1项
- if (this.dataGridView1.Rows.Count > )
- {
- this.dataGridView1.DataSource = null;
- }
- }
- private void btnOK_Click(object sender, EventArgs e)
- {
- //清除dataGridView1项
- if (this.dataGridView1.Rows.Count > )
- {
- this.dataGridView1.DataSource = null;
- }
- ixmlc = ;
- this.txtOutPath.Text = "";
- this.lblTips.Text = "";
- this.txtLayerName.Text = GetLayerName(this.txtCachePath.Text);
- this.txtCacheType.Text = GetLayerType(this.txtCachePath.Text + "\\" + this.txtLayerName.Text + ".layer");
- FindFile(GetFSubPath(this.txtCachePath.Text));
- MessageBox.Show("Cache读取完成!");
- }
- // 获取Cache图层类型 赵贺 2015.02.14.
- private String GetLayerType(string dirPathName)
- {
- string sLayerType = null;
- FileStream fs = File.Open(dirPathName, FileMode.Open);
- StreamReader sr = new StreamReader(fs);
- string res = sr.ReadToEnd();
- XmlDocument xml = new XmlDocument();
- xml.LoadXml(res);
- XmlElement root = xml.DocumentElement;
- XmlNodeList childlist = root.ChildNodes;
- sLayerType = childlist[].ChildNodes[].InnerText;
- return sLayerType;
- }
- // 获取Cache图层名称 赵贺 2015.02.14.
- private String GetLayerName(string dirPath)
- {
- string sLayerName = null;
- DirectoryInfo Dir = new DirectoryInfo(dirPath);
- foreach (FileInfo f in Dir.GetFiles("*.layer")) //查找文件
- {
- sLayerName = f.ToString().Substring(,f.ToString().IndexOf('.'));
- }
- return sLayerName;
- }
- // 获取当前文件夹的第一个子文件夹
- private String GetFSubPath(string dirPath)
- {
- DirectoryInfo Dir = new DirectoryInfo(dirPath);
- DirectoryInfo[] d = Dir.GetDirectories();
- return dirPath + "\\" + d[].ToString();
- }
- //解析XML内容,获取属性字段信息 赵贺 2015.02.14.
- private void GetXMLData(string xmlpath)
- {
- try
- {
- FileStream fs = File.Open(xmlpath, FileMode.Open);
- StreamReader sr = new StreamReader(fs);
- string res = sr.ReadToEnd();
- res = res.Substring(res.IndexOf("<wfs"), res.Length - res.IndexOf("<wfs"));//去除XML的无效内容
- XmlDocument xml = new XmlDocument();
- xml.LoadXml(res);
- XmlElement root = xml.DocumentElement;
- XmlNodeList childlist = root.ChildNodes;
- if (ixmlc == )// 根据第一个xml的内容读取shp属性字段名称
- {
- if (this.dataGridView1.Columns.Count > )
- {
- this.dataGridView1.Columns.Clear();
- }
- this.dataGridView1.Columns.Add(childlist[].Attributes[].Name, childlist[].Attributes[].Name);
- for (int j = ; j < childlist[].ChildNodes[].ChildNodes.Count; j++)
- {
- this.dataGridView1.Columns.Add(childlist[].ChildNodes[].ChildNodes[j].Name, childlist[].ChildNodes[].ChildNodes[j].Name);
- }
- ixmlc = ixmlc + ;
- }
- for (int i = ; i < childlist.Count; i++)
- {
- XmlNode node = childlist[i];
- string[] rowtext = new string[node.ChildNodes[].ChildNodes.Count + ];
- rowtext[] = childlist[i].Attributes[].Value;//取第一项FID
- for (int j = ; j < node.ChildNodes[].ChildNodes.Count; j++)
- {
- rowtext[j + ] = node.ChildNodes[].ChildNodes[j].InnerText;
- }
- //this.dataGridView1.Rows.Add(rowtext);
- //去除FID重复项
- if (dataGridView1.DataSource == null)
- {
- DataGridViewRow row = dataGridView1.Rows.Cast<DataGridViewRow>()
- .FirstOrDefault(r => r.Cells[].EditedFormattedValue.Equals(rowtext[]));
- if (row != null) dataGridView1.Rows.Remove(row);
- this.dataGridView1.Rows.Add(rowtext);
- }
- else
- {
- DataTable dt = (DataTable)dataGridView1.DataSource;
- DataRow row = dt.Rows.Cast<DataRow>()
- .FirstOrDefault(r => r[].Equals(rowtext[]));
- if (row != null) dt.Rows.Remove(row);
- this.dataGridView1.Rows.Add(rowtext);
- }
- }
- xml = null;
- }
- catch (Exception ex)
- {
- }
- }
- //遍历指定目录下的XML文件
- public void FindFile(string dirPath) //参数dirPath为指定的目录
- {
- //在指定目录及子目录下查找文件,在listBox1中列出子目录及文件
- DirectoryInfo Dir=new DirectoryInfo(dirPath);
- try
- {
- foreach(DirectoryInfo d in Dir.GetDirectories())//查找子目录
- {
- FindFile(Dir + "\\" + d.ToString());
- }
- foreach(FileInfo f in Dir.GetFiles("*.xml")) //查找文件
- {
- GetXMLData(Dir + "\\"+f.ToString());
- }
- }
- catch(Exception e)
- {
- MessageBox.Show(e.Message);
- }
- }
- private void btnExportSHP_Click(object sender, EventArgs e)
- {
- try
- {
- this.lblTips.Text = "正在输出....";
- if (this.dataGridView1.Rows.Count > )
- {
- if (this.txtCacheType.Text == "Point")
- {
- pIFeatureLayer65 = sgworld.Creator.CreateNewFeatureLayer(this.txtLayerName.Text, LayerGeometryType.LGT_POINT, "FileName=" + this.txtLayerName.Text + ".shp;TEPlugName=OGR;", "");
- }
- else if (this.txtCacheType.Text == "Line")
- {
- pIFeatureLayer65 = sgworld.Creator.CreateNewFeatureLayer(this.txtLayerName.Text, LayerGeometryType.LGT_POLYLINE, "FileName=" + this.txtLayerName.Text + ".shp;TEPlugName=OGR;", "");
- }
- else if (this.txtCacheType.Text == "Polygon")
- {
- pIFeatureLayer65 = sgworld.Creator.CreateNewFeatureLayer(this.txtLayerName.Text, LayerGeometryType.LGT_POLYGON, "FileName=" + this.txtLayerName.Text + ".shp;TEPlugName=OGR;", "");
- }
- //pIFeatureLayer65.DataSourceInfo.Attributes.CreateAttribute("Yaw", AttributeTypeCode.AT_DOUBLE, 0, 20);
- //pIFeatureLayer65.DataSourceInfo.Attributes.CreateAttribute("Pitch", AttributeTypeCode.AT_DOUBLE, 0, 20);
- //pIFeatureLayer65.DataSourceInfo.Attributes.CreateAttribute("Roll", AttributeTypeCode.AT_DOUBLE, 0, 20);
- //pIFeatureLayer65.DataSourceInfo.Attributes.CreateAttribute("Texture", AttributeTypeCode.AT_TEXT, 1024, 20);
- //pIFeatureLayer65.DataSourceInfo.Attributes.CreateAttribute("Radius", AttributeTypeCode.AT_DOUBLE, 0, 20);
- //pIFeatureLayer65.DataSourceInfo.Attributes.CreateAttribute("Length", AttributeTypeCode.AT_DOUBLE, 0, 20);
- for (int i = ; i < this.dataGridView1.Columns.Count - ; i++)
- {
- pIFeatureLayer65.DataSourceInfo.Attributes.CreateAttribute(this.dataGridView1.Columns[i].Name, AttributeTypeCode.AT_TEXT, , );
- }
- for (int i = ; i < this.dataGridView1.Rows.Count - ; i++)
- {
- string rowtext = "";
- for (int j = ; j < this.dataGridView1.Columns.Count - ; j++)
- {
- rowtext = rowtext + this.dataGridView1.Rows[i].Cells[j].Value.ToString() + ";";
- }
- rowtext = rowtext + this.dataGridView1.Rows[i].Cells[this.dataGridView1.Columns.Count - ].Value.ToString();
- if (this.txtCacheType.Text == "Point")
- {
- string x = this.dataGridView1.Rows[i].Cells[this.dataGridView1.Columns.Count - ].Value.ToString().Split(',')[];
- string y = this.dataGridView1.Rows[i].Cells[this.dataGridView1.Columns.Count - ].Value.ToString().Split(',')[];
- IGeometry pIGeometry = sgworld.Creator.GeometryCreator.CreatePointGeometry("Point(" + x + " " + y + ")");
- pIFeatureLayer65.FeatureGroups.Point.CreateFeature(pIGeometry, rowtext);
- }
- else if (this.txtCacheType.Text == "Line")
- {
- IGeometry pIGeometry = sgworld.Creator.GeometryCreator.CreateGeometryFromWKT("LineString (" + this.dataGridView1.Rows[i].Cells[this.dataGridView1.Columns.Count - ].Value.ToString().Replace(" ", ";").Replace(",", " ").Replace(";", ",") + ")");
- pIFeatureLayer65.FeatureGroups.Polyline.CreateFeature(pIGeometry, rowtext);
- }
- else if (this.txtCacheType.Text == "Polygon")
- {
- string p1 = this.dataGridView1.Rows[i].Cells[this.dataGridView1.Columns.Count - ].Value.ToString().Replace(" ", ";").Replace(",", " ").Replace(";", ",").Substring(,this.dataGridView1.Rows[i].Cells[this.dataGridView1.Columns.Count - ].Value.ToString().Replace(" ", ";").Replace(",", " ").Replace(";", ",").IndexOf(","));
- string s = this.dataGridView1.Rows[i].Cells[this.dataGridView1.Columns.Count - ].Value.ToString().Replace(" ", ";").Replace(",", " ").Replace(";", ",")+","+p1;
- IGeometry pIGeometry = sgworld.Creator.GeometryCreator.CreateGeometryFromWKT("Polygon((" + this.dataGridView1.Rows[i].Cells[this.dataGridView1.Columns.Count - ].Value.ToString().Replace(" ", ";").Replace(",", " ").Replace(";", ",") + "," + p1 + "))");
- pIFeatureLayer65.FeatureGroups.Polygon.CreateFeature(pIGeometry, rowtext);
- }
- else
- { }
- }
- }
- if (pIFeatureLayer65 != null)
- {
- pIFeatureLayer65.Save();
- pIFeatureLayer65.Reproject = false;// 是否重投影 赵贺 2015.02.14
- pIFeatureLayer65.CoordinateSystem.WellKnownText = "PROJCS[\"Beijing 1954 / 3-degree Gauss-Kruger Zone 37N\",GEOGCS[\"Beijing 1954\",DATUM[\"Beijing_1954\",SPHEROID[\"Krassowsky 1940\",6378245,298.3,AUTHORITY[\"EPSG\",\"7024\"]],TOWGS84[15.8,-154.4,-82.3,0,0,0,0],AUTHORITY[\"EPSG\",\"6214\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"4214\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",111],PARAMETER[\"scale_factor\",1],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"X\",NORTH],AXIS[\"Y\",EAST],AUTHORITY[\"EPSG\",\"2434\"]]";
- pIFeatureLayer65.Load();
- pIFeatureLayer65 = null;
- }
- this.txtOutPath.Text = "" + sgworld.Application.DataPath + "\\FeatureLayers";
- this.lblTips.Text = "完成.";
- pIFeatureLayer65 = null;
- }
- catch (Exception ex)
- {
- MessageBox.Show(ex.ToString());
- }
- }
- private void btnSOutPath_Click(object sender, EventArgs e)
- {
- this.folderBrowserDialog1.ShowDialog();
- this.txtOutPath.Text = this.folderBrowserDialog1.SelectedPath;
- }
- }
- }
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