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using GIS.HPU.ZYZ.SHP.DBF;
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using OSGeo.GDAL;
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using OSGeo.OGR;
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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.Text;
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using System.Threading.Tasks;
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namespace Kingo.Plugin.ProofManager.Common
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{
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public class GdalShapeOperate
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{
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private static GdalShapeOperate _instance = null;
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public static GdalShapeOperate Instance
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{
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get
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{
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if (_instance == null)
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_instance = new GdalShapeOperate();
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return _instance;
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}
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}
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public GdalShapeOperate()
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{
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// 注册所有的驱动
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Ogr.RegisterAll();
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// 为了支持中文路径，请添加下面这句代码
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Gdal.SetConfigOption("GDAL_FILENAME_IS_UTF8", "NO");
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// 为了使属性表字段支持中文，请添加下面这句
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Gdal.SetConfigOption("SHAPE_ENCODING", "NO");
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}
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public Layer CreateShp(string strVectorFile, string layerName, OSGeo.OSR.SpatialReference pSRS)
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{
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try
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{
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string strDriverName = "Memory";
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int count = Ogr.GetDriverCount();
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OSGeo.OGR.Driver oDriver = Ogr.GetDriverByName(strDriverName);
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if (oDriver == null)
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{
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return null;
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}
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// 创建数据源
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DataSource oDS = oDriver.CreateDataSource(strVectorFile + layerName, null);
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if (oDS == null)
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{
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return null;
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}
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Layer oLayer = oDS.CreateLayer(layerName, pSRS, wkbGeometryType.wkbPolygon, null);
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if (oLayer == null)
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{
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return null;
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}
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else
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return oLayer;
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}
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catch (Exception ex)
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{
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return null;
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}
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}
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System.Data.DataTable tableRst = null;
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public System.Data.DataTable ShapeToDataTable(string shapePath, string layerName = null)
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{
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try
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{
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// 注册所有的驱动
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Ogr.RegisterAll();
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// 为了支持中文路径，请添加下面这句代码
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Gdal.SetConfigOption("GDAL_FILENAME_IS_UTF8", "NO");
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// 为了使属性表字段支持中文，请添加下面这句
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Gdal.SetConfigOption("SHAPE_ENCODING", "NO");
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string dbfPathS = Path.GetDirectoryName(shapePath) + "\\" + Path.GetFileNameWithoutExtension(shapePath) + ".dbf";
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string dbfPath = AppDomain.CurrentDomain.BaseDirectory + Guid.NewGuid().ToString() + ".dbf";
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File.Copy(dbfPathS, dbfPath, true);
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DbfFile dbfFile = new DbfFile(Encoding.GetEncoding(936));//编码
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dbfFile.Open(dbfPath, FileMode.Open);
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//打开数据
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DataSource ds = Ogr.Open(shapePath, 0);
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if (ds == null || ds.GetLayerCount() <= 0) return null;
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Layer layer = null;
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if (string.IsNullOrWhiteSpace(layerName))
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{
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layer = ds.GetLayerByIndex(0);
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}
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else
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{
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layer = ds.GetLayerByName(layerName);
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}
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if (layer == null) return null;
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OSGeo.OGR.Feature feature = null;
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//tableRst = GetDataTable(layer.GetLayerDefn());
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string fidName = layer.GetFIDColumn();
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if (string.IsNullOrWhiteSpace(fidName))
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fidName = "OBJECTID";
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tableRst = GetDataTable(dbfFile.Header);
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for (int i = 0; i < dbfFile.Header.RecordCount; i++)
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{
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DbfRecord dbfRecord = dbfFile.Read(i);
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fidName = "FID";
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int fidIndex = dbfFile.Header.FindColumn(fidName);
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if (fidIndex < 0)
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{
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fidName = "OBJECTID";
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fidIndex = dbfFile.Header.FindColumn(fidName);
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}
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if (fidIndex < 0)
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{
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fidName = "BSM";
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fidIndex = dbfFile.Header.FindColumn(fidName);
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}
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string bsm = dbfRecord[fidIndex];
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layer.ResetReading();
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layer.SetAttributeFilter(string.Format("{1}={0}", bsm, fidName));
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feature = layer.GetNextFeature();
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if (feature == null) continue;
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System.Data.DataRow drNewRow = NewDataRow(dbfRecord, dbfFile.Header, tableRst);
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OSGeo.OGR.Geometry geometry = feature.GetGeometryRef();
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if (geometry == null) continue;
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drNewRow["SHAPE"] = geometry.Clone();
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drNewRow[fidName] = bsm;
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tableRst.Rows.Add(drNewRow);
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}
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dbfFile.Close();
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return tableRst;
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}
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catch (Exception ex)
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{
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throw ex;
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}
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}
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private System.Data.DataRow NewDataRow(DbfRecord record, DbfHeader header, System.Data.DataTable tableRst)
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{
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if (tableRst == null) return null;
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System.Data.DataRow newRow = tableRst.NewRow();
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for (int iField = 0; iField < header.ColumnCount; iField++)
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{
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string name = header[iField].Name.ToUpper();
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if (name == "SHAPE" || name == "OBJECTID" || name == "FID") continue;
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if (name == "SHAPE_AREA")
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name = "SHAPEAREA";
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else if (name == "SHAPE_LENGTH")
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{
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name = "SHAPELENGTH";
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}
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newRow[name] = record[iField].Trim();
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}
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return newRow;
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}
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private System.Data.DataTable GetDataTable(DbfHeader header)
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{
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System.Data.DataTable dtNew = new System.Data.DataTable();
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for (int i = 0; i < header.ColumnCount; i++)
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{
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string name = header[i].Name.ToUpper();
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if (name.ToUpper() == "SHAPE") continue;
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//if (name.ToUpper() == "BSM")
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//{
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// dtNew.Columns.Add("BSM", typeof(Int32));
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// continue;
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//}
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string colName = name.ToUpper();
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if (colName == "SHAPE_AREA")
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colName = "SHAPEAREA";
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else if (colName == "SHAPE_LENGTH")
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{
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colName = "SHAPELENGTH";
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}
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switch (header[i].ColumnType)
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{
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case DbfColumn.DbfColumnType.Character:
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dtNew.Columns.Add(colName, typeof(string));
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break;
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case DbfColumn.DbfColumnType.Number:
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dtNew.Columns.Add(colName, typeof(double));
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break;
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case DbfColumn.DbfColumnType.Boolean:
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dtNew.Columns.Add(colName, typeof(bool));
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break;
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case DbfColumn.DbfColumnType.Date:
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dtNew.Columns.Add(colName, typeof(DateTime));
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break;
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case DbfColumn.DbfColumnType.Memo:
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dtNew.Columns.Add(colName, typeof(string));
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break;
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case DbfColumn.DbfColumnType.Binary:
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dtNew.Columns.Add(colName, typeof(byte[]));
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break;
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case DbfColumn.DbfColumnType.Integer:
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dtNew.Columns.Add(colName, typeof(Int32));
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break;
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default:
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dtNew.Columns.Add(colName, typeof(string));
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break;
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}
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}
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dtNew.Columns.Add("SHAPE", typeof(object));
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return dtNew;
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}
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public System.Data.DataTable ShapeToDataTable(Layer layer)
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{
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//// 注册所有的驱动
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//Ogr.RegisterAll();
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//// 为了支持中文路径，请添加下面这句代码
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//Gdal.SetConfigOption("GDAL_FILENAME_IS_UTF8", "NO");
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//// 为了使属性表字段支持中文，请添加下面这句
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//Gdal.SetConfigOption("SHAPE_ENCODING", "NO");
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if (layer == null) return null;
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OSGeo.OGR.Feature feature = null;
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tableRst = GetDataTable(layer.GetLayerDefn());
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wkbGeometryType layerGeometryType = layer.GetGeomType();
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while ((feature = layer.GetNextFeature()) != null)
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{
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System.Data.DataRow drNewRow = NewDataRow(feature);
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OSGeo.OGR.Geometry geometry = feature.GetGeometryRef();
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if (geometry == null) continue;
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drNewRow["SHAPE"] = geometry.Clone();
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tableRst.Rows.Add(drNewRow);
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}
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return tableRst;
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}
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public bool CheckIsExistFeature(string sourcePath, string layerName)
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{
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DataSource ds = null;
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try
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{
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//打开数据
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ds = Ogr.Open(sourcePath, 0);
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if (ds == null || ds.GetLayerCount() <= 0) return false;
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Layer layer = null;
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if (string.IsNullOrWhiteSpace(layerName))
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{
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layer = ds.GetLayerByIndex(0);
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}
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else
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{
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layer = ds.GetLayerByName(layerName);
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}
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if (layer == null) return false;
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//return layer.GetFeatureCount(0)>0;
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return true;
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}
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catch
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{
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return false;
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}
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finally
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{
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if (ds != null)
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{
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ds.Dispose();
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ds = null;
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}
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}
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}
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/// <summary>
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/// 创建table
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/// </summary>
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/// <param name="oDefn"></param>
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/// <returns></returns>
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private System.Data.DataTable GetDataTable(FeatureDefn oDefn)
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{
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System.Data.DataTable dtNew = new System.Data.DataTable();
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int iFieldCount = oDefn.GetFieldCount();
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for (int i = 0; i < iFieldCount; i++)
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{
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FieldDefn oField = oDefn.GetFieldDefn(i);
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FieldType type = oField.GetFieldType();
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|
|
string name = oField.GetNameRef();
|
|
|
|
|
|
if (name.ToUpper() == "SHAPE" || name.ToUpper() == "OBJECTID" || name.ToUpper() == "FID") continue;
|
|
|
|
|
|
if (name.ToUpper() == "SHAPE") continue;
|
|
|
|
|
|
string colName = name.ToUpper();
|
|
|
|
|
|
if (colName == "SHAPE_AREA")
|
|
|
|
|
|
colName = "SHAPEAREA";
|
|
|
|
|
|
else if (colName == "SHAPE_LENGTH")
|
|
|
|
|
|
{
|
|
|
|
|
|
colName = "SHAPELENGTH";
|
|
|
|
|
|
}
|
|
|
|
|
|
switch (type)
|
|
|
|
|
|
{
|
|
|
|
|
|
case FieldType.OFTInteger:
|
|
|
|
|
|
dtNew.Columns.Add(colName, typeof(Int32));
|
|
|
|
|
|
break;
|
|
|
|
|
|
case FieldType.OFTReal:
|
|
|
|
|
|
dtNew.Columns.Add(colName, typeof(double));
|
|
|
|
|
|
break;
|
|
|
|
|
|
case FieldType.OFTString:
|
|
|
|
|
|
dtNew.Columns.Add(colName, typeof(string));
|
|
|
|
|
|
break;
|
|
|
|
|
|
default:
|
|
|
|
|
|
dtNew.Columns.Add(colName, typeof(string));
|
|
|
|
|
|
break;
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
//Console.WriteLine("{0}:{1} ({2}.{3})", oField.GetNameRef(),
|
|
|
|
|
|
// oField.GetFieldTypeName(oField.GetFieldType()),
|
|
|
|
|
|
// oField.GetWidth(), oField.GetPrecision());
|
|
|
|
|
|
}
|
|
|
|
|
|
dtNew.Columns.Add("SHAPE", typeof(object));
|
|
|
|
|
|
dtNew.Columns.Add("FID", typeof(double));
|
|
|
|
|
|
return dtNew;
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/// <summary>
|
|
|
|
|
|
/// 创建新行
|
|
|
|
|
|
/// </summary>
|
|
|
|
|
|
/// <param name="feature"></param>
|
|
|
|
|
|
/// <returns></returns>
|
|
|
|
|
|
private System.Data.DataRow NewDataRow(Feature feature)
|
|
|
|
|
|
{
|
|
|
|
|
|
if (tableRst == null) return null;
|
|
|
|
|
|
System.Data.DataRow newRow = tableRst.NewRow();
|
|
|
|
|
|
FeatureDefn oDefn = feature.GetDefnRef();
|
|
|
|
|
|
for (int iField = 0; iField < feature.GetFieldCount(); iField++)
|
|
|
|
|
|
{
|
|
|
|
|
|
FieldDefn oFieldDefn = oDefn.GetFieldDefn(iField);
|
|
|
|
|
|
FieldType type = oFieldDefn.GetFieldType();
|
|
|
|
|
|
string name = oFieldDefn.GetName().ToUpper();
|
|
|
|
|
|
if (name == "SHAPE" || name == "OBJECTID" || name == "FID") continue;
|
|
|
|
|
|
if (name == "SHAPE_AREA")
|
|
|
|
|
|
name = "SHAPEAREA";
|
|
|
|
|
|
else if (name == "SHAPE_LENGTH")
|
|
|
|
|
|
{
|
|
|
|
|
|
name = "SHAPELENGTH";
|
|
|
|
|
|
}
|
|
|
|
|
|
switch (type)
|
|
|
|
|
|
{
|
|
|
|
|
|
//case FieldType.OFTBinary:
|
|
|
|
|
|
// break;
|
|
|
|
|
|
//case FieldType.OFTDate:
|
|
|
|
|
|
|
|
|
|
|
|
// //feature.GetFieldAsDateTime(i,
|
|
|
|
|
|
// break;
|
|
|
|
|
|
//case FieldType.OFTDateTime:
|
|
|
|
|
|
// break;
|
|
|
|
|
|
//case FieldType.OFTIntegerList:
|
|
|
|
|
|
// break;
|
|
|
|
|
|
//case FieldType.OFTRealList:
|
|
|
|
|
|
// break;
|
|
|
|
|
|
//case FieldType.OFTStringList:
|
|
|
|
|
|
// break;
|
|
|
|
|
|
//case FieldType.OFTTime:
|
|
|
|
|
|
// break;
|
|
|
|
|
|
//case FieldType.OFTWideString:
|
|
|
|
|
|
// break;
|
|
|
|
|
|
//case FieldType.OFTWideStringList:
|
|
|
|
|
|
// break;
|
|
|
|
|
|
case FieldType.OFTInteger:
|
|
|
|
|
|
newRow[name] = feature.GetFieldAsInteger(iField);
|
|
|
|
|
|
break;
|
|
|
|
|
|
case FieldType.OFTReal:
|
|
|
|
|
|
newRow[name] = feature.GetFieldAsDouble(iField);
|
|
|
|
|
|
break;
|
|
|
|
|
|
case FieldType.OFTString:
|
|
|
|
|
|
newRow[name] = feature.GetFieldAsString(iField);
|
|
|
|
|
|
break;
|
|
|
|
|
|
default:
|
|
|
|
|
|
newRow[name] = feature.GetFieldAsString(iField);
|
|
|
|
|
|
break;
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
//switch (type)
|
|
|
|
|
|
//{
|
|
|
|
|
|
// case caseFieldType.OFTString:
|
|
|
|
|
|
// Console.WriteLine("{0}\t",feature.GetFieldAsString(iField));
|
|
|
|
|
|
// break;
|
|
|
|
|
|
//caseFieldType.OFTReal:
|
|
|
|
|
|
// Console.WriteLine("{0}\t",feature.GetFieldAsDouble(iField));
|
|
|
|
|
|
// break;
|
|
|
|
|
|
//caseFieldType.OFTInteger:
|
|
|
|
|
|
// Console.WriteLine("{0}\t",feature.GetFieldAsInteger(iField));
|
|
|
|
|
|
// break;
|
|
|
|
|
|
//default:
|
|
|
|
|
|
// Console.WriteLine("{0}\t",feature.GetFieldAsString(iField));
|
|
|
|
|
|
// break;
|
|
|
|
|
|
//}
|
|
|
|
|
|
}
|
|
|
|
|
|
return newRow;
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
private string GetPoints(OSGeo.OGR.Geometry geometry)
|
|
|
|
|
|
{
|
|
|
|
|
|
|
|
|
|
|
|
StringBuilder sb = new StringBuilder("{");
|
|
|
|
|
|
switch (geometry.GetGeometryType())
|
|
|
|
|
|
{
|
|
|
|
|
|
case wkbGeometryType.wkbGeometryCollection:
|
|
|
|
|
|
break;
|
|
|
|
|
|
case wkbGeometryType.wkbGeometryCollection25D:
|
|
|
|
|
|
break;
|
|
|
|
|
|
case wkbGeometryType.wkbLineString:
|
|
|
|
|
|
break;
|
|
|
|
|
|
case wkbGeometryType.wkbLineString25D:
|
|
|
|
|
|
break;
|
|
|
|
|
|
case wkbGeometryType.wkbLinearRing:
|
|
|
|
|
|
break;
|
|
|
|
|
|
case wkbGeometryType.wkbMultiLineString:
|
|
|
|
|
|
break;
|
|
|
|
|
|
case wkbGeometryType.wkbMultiLineString25D:
|
|
|
|
|
|
break;
|
|
|
|
|
|
case wkbGeometryType.wkbMultiPoint:
|
|
|
|
|
|
break;
|
|
|
|
|
|
case wkbGeometryType.wkbMultiPoint25D:
|
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
|
|
case wkbGeometryType.wkbMultiPolygon25D:
|
|
|
|
|
|
break;
|
|
|
|
|
|
case wkbGeometryType.wkbNone:
|
|
|
|
|
|
break;
|
|
|
|
|
|
case wkbGeometryType.wkbPoint:
|
|
|
|
|
|
string json = @"{""x"":" + geometry.GetX(0) + @",""y"":" + geometry.GetY(0);
|
|
|
|
|
|
sb.Append(@"""point"":" + json);
|
|
|
|
|
|
break;
|
|
|
|
|
|
case wkbGeometryType.wkbPoint25D:
|
|
|
|
|
|
break;
|
|
|
|
|
|
case wkbGeometryType.wkbMultiPolygon:
|
|
|
|
|
|
case wkbGeometryType.wkbPolygon:
|
|
|
|
|
|
int geometryCount = geometry.GetGeometryCount();
|
|
|
|
|
|
if (geometryCount > 0)
|
|
|
|
|
|
{
|
|
|
|
|
|
sb.Append(@"""rings"":[");
|
|
|
|
|
|
|
|
|
|
|
|
for (int i = 0; i < geometryCount; i++)
|
|
|
|
|
|
{
|
|
|
|
|
|
Geometry ge = geometry.GetGeometryRef(i);
|
|
|
|
|
|
int subGeoCount = ge.GetGeometryCount();
|
|
|
|
|
|
if (subGeoCount > 0)
|
|
|
|
|
|
{
|
|
|
|
|
|
for (int j = 0; j < subGeoCount; j++)
|
|
|
|
|
|
{
|
|
|
|
|
|
sb.Append(GetSingleGeometry(ge.GetGeometryRef(j)));
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
else
|
|
|
|
|
|
{
|
|
|
|
|
|
sb.Append(GetSingleGeometry(ge));
|
|
|
|
|
|
}
|
|
|
|
|
|
//sb.Append("[");
|
|
|
|
|
|
//Geometry ge = geometry.GetGeometryRef(i);
|
|
|
|
|
|
//int count = ge.GetPointCount();
|
|
|
|
|
|
//for (int j = 0; j < count; j++)
|
|
|
|
|
|
//{
|
|
|
|
|
|
// sb.Append("[" + ge.GetX(j) + "," + ge.GetY(j) + "],");
|
|
|
|
|
|
//}
|
|
|
|
|
|
//sb.Remove(sb.Length - 1, 1);
|
|
|
|
|
|
//sb.Append("],");
|
|
|
|
|
|
}
|
|
|
|
|
|
sb.Replace(',', ']', sb.Length - 1, 1);
|
|
|
|
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
break;
|
|
|
|
|
|
case wkbGeometryType.wkbPolygon25D:
|
|
|
|
|
|
break;
|
|
|
|
|
|
case wkbGeometryType.wkbUnknown:
|
|
|
|
|
|
break;
|
|
|
|
|
|
default:
|
|
|
|
|
|
break;
|
|
|
|
|
|
}
|
|
|
|
|
|
sb.Append("}");
|
|
|
|
|
|
return sb.ToString();
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
private string GetSingleGeometry(Geometry geo)
|
|
|
|
|
|
{
|
|
|
|
|
|
StringBuilder sb = new StringBuilder();
|
|
|
|
|
|
sb.Append("[");
|
|
|
|
|
|
//Geometry ge = geo.GetGeometryRef(i);
|
|
|
|
|
|
int count = geo.GetPointCount();
|
|
|
|
|
|
for (int j = 0; j < count; j++)
|
|
|
|
|
|
{
|
|
|
|
|
|
sb.Append("[" + geo.GetX(j) + "," + geo.GetY(j) + "],");
|
|
|
|
|
|
}
|
|
|
|
|
|
sb.Remove(sb.Length - 1, 1);
|
|
|
|
|
|
sb.Append("],");
|
|
|
|
|
|
return sb.ToString();
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
public string CheckedDataValid(string sourcePath, LayerEntity entity, out List<string> listfield, string keyField = "")
|
|
|
|
|
|
{
|
|
|
|
|
|
try
|
|
|
|
|
|
{
|
|
|
|
|
|
listfield = new List<string>();
|
|
|
|
|
|
// 注册所有的驱动
|
|
|
|
|
|
Ogr.RegisterAll();
|
|
|
|
|
|
// 为了支持中文路径，请添加下面这句代码
|
|
|
|
|
|
Gdal.SetConfigOption("GDAL_FILENAME_IS_UTF8", "NO");
|
|
|
|
|
|
// 为了使属性表字段支持中文，请添加下面这句
|
|
|
|
|
|
Gdal.SetConfigOption("SHAPE_ENCODING", "NO");
|
|
|
|
|
|
|
|
|
|
|
|
//打开数据
|
|
|
|
|
|
DataSource ds = Ogr.Open(sourcePath, 0);
|
|
|
|
|
|
if (ds == null || ds.GetLayerCount() <= 0) return "无效数据，请检查数据";
|
|
|
|
|
|
Layer layer = ds.GetLayerByIndex(0);
|
|
|
|
|
|
if (layer == null) return "无效数据，请检查数据";
|
|
|
|
|
|
if (entity != null)
|
|
|
|
|
|
{
|
|
|
|
|
|
|
|
|
|
|
|
listfield.Clear();
|
|
|
|
|
|
var task = Task.Factory.StartNew(() =>
|
|
|
|
|
|
{
|
|
|
|
|
|
var listconfigfields = new List<string>();
|
|
|
|
|
|
foreach (var item in entity.Fields)
|
|
|
|
|
|
{
|
|
|
|
|
|
listconfigfields.Add(item.Name.ToUpper());
|
|
|
|
|
|
}
|
|
|
|
|
|
return listconfigfields;
|
|
|
|
|
|
});
|
|
|
|
|
|
OSGeo.OGR.Feature feature = null;
|
|
|
|
|
|
FeatureDefn feacture = layer.GetLayerDefn();
|
|
|
|
|
|
wkbGeometryType layerGeometryType = layer.GetGeomType();
|
|
|
|
|
|
int iFieldCount = feacture.GetFieldCount();
|
|
|
|
|
|
for (int iAttr = 0; iAttr < iFieldCount; iAttr++)
|
|
|
|
|
|
{
|
|
|
|
|
|
FieldDefn oField = feacture.GetFieldDefn(iAttr);
|
|
|
|
|
|
if (oField != null)
|
|
|
|
|
|
{
|
|
|
|
|
|
listfield.Add(oField.GetName().ToUpper());
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
Task.WaitAll(task);
|
|
|
|
|
|
if (listfield.Count != entity.Fields.Count || task.Result.Intersect(listfield).Count() != task.Result.Count)
|
|
|
|
|
|
{
|
|
|
|
|
|
return "数据模板不一致";
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
if (layer.GetGeomType() != wkbGeometryType.wkbMultiPolygon && layer.GetGeomType() != wkbGeometryType.wkbPolygon)
|
|
|
|
|
|
{
|
|
|
|
|
|
return "无效数据，请选择面数据";
|
|
|
|
|
|
}
|
|
|
|
|
|
else if (layer.GetFeatureCount(0) <= 0)
|
|
|
|
|
|
{
|
|
|
|
|
|
return "选择数据源不存在数据";
|
|
|
|
|
|
}
|
|
|
|
|
|
else if (!string.IsNullOrWhiteSpace(keyField))
|
|
|
|
|
|
{
|
|
|
|
|
|
if (layer.FindFieldIndex(keyField, 1) < 0)
|
|
|
|
|
|
{
|
|
|
|
|
|
return "无效数据，不存在字段" + keyField + ",请参照模板";
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
return null;
|
|
|
|
|
|
}
|
|
|
|
|
|
catch (Exception ex)
|
|
|
|
|
|
{
|
|
|
|
|
|
listfield = new List<string>();
|
|
|
|
|
|
return null;
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
public string CheckedGeometry(Layer layer)
|
|
|
|
|
|
{
|
|
|
|
|
|
OSGeo.OGR.Feature feature = null;
|
|
|
|
|
|
string rstMsg = null;
|
|
|
|
|
|
while ((feature = layer.GetNextFeature()) != null)
|
|
|
|
|
|
{
|
|
|
|
|
|
OSGeo.OGR.Geometry geometry = feature.GetGeometryRef();
|
|
|
|
|
|
if (!geometry.IsValid())
|
|
|
|
|
|
{
|
|
|
|
|
|
rstMsg = "选择数据中有错误数据，请先修复";
|
|
|
|
|
|
}
|
|
|
|
|
|
else if (!geometry.IsSimple())
|
|
|
|
|
|
{
|
|
|
|
|
|
rstMsg = "选择数据中有错误数据，请先修复";
|
|
|
|
|
|
}
|
|
|
|
|
|
else if (geometry.IsEmpty())
|
|
|
|
|
|
{
|
|
|
|
|
|
rstMsg = "选择数据中有错误数据，请先修复";
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
return rstMsg;
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/// <summary>
|
|
|
|
|
|
/// Shape转WKT
|
|
|
|
|
|
/// </summary>
|
|
|
|
|
|
/// <param name="obejctID">主键</param>
|
|
|
|
|
|
/// <param name="layer">图形</param>
|
|
|
|
|
|
/// <returns>WKT</returns>
|
|
|
|
|
|
public GeometryEntity GetWKT(string ringsPolygon)
|
|
|
|
|
|
{
|
|
|
|
|
|
string wktstring = "";
|
|
|
|
|
|
GeometryEntity result = new GeometryEntity();
|
|
|
|
|
|
OSGeo.OGR.Geometry geometry = GetPolygon(ringsPolygon);
|
|
|
|
|
|
if (geometry != null)
|
|
|
|
|
|
{
|
|
|
|
|
|
OSGeo.OGR.Geometry g = geometry.Centroid();
|
|
|
|
|
|
result.x = Math.Round(g.GetX(0), 3);
|
|
|
|
|
|
result.y = Math.Round(g.GetY(0), 3);
|
|
|
|
|
|
geometry.ExportToWkt(out wktstring);
|
|
|
|
|
|
result.wktStr = wktstring;
|
|
|
|
|
|
}
|
|
|
|
|
|
return result;
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
public GeometryEntity GetWKTByProjet(string ringsPolygon)
|
|
|
|
|
|
{
|
|
|
|
|
|
string wktstring = "";
|
|
|
|
|
|
GeometryEntity result = new GeometryEntity();
|
|
|
|
|
|
OSGeo.OGR.Geometry geometryPoint = GetPolygon(ringsPolygon);
|
|
|
|
|
|
OSGeo.OGR.Geometry geometry = GetPolygonProject(ringsPolygon);
|
|
|
|
|
|
if (geometryPoint != null)
|
|
|
|
|
|
{
|
|
|
|
|
|
OSGeo.OGR.Geometry g = geometryPoint.Centroid();
|
|
|
|
|
|
ESRI.ArcGIS.Geometry.IPoint point = new ESRI.ArcGIS.Geometry.PointClass();
|
|
|
|
|
|
ESRI.ArcGIS.Geometry.ISpatialReferenceFactory pSpatialReferenceFactory = new ESRI.ArcGIS.Geometry.SpatialReferenceEnvironment();
|
|
|
|
|
|
ESRI.ArcGIS.Geometry.ISpatialReference pFromSpatialReference = pSpatialReferenceFactory.CreateGeographicCoordinateSystem(4326);
|
|
|
|
|
|
ESRI.ArcGIS.Geometry.ISpatialReference pToSpatialReference = pSpatialReferenceFactory.CreateProjectedCoordinateSystem(4528);
|
|
|
|
|
|
point.X = Math.Round(g.GetX(0), 3);
|
|
|
|
|
|
point.Y = Math.Round(g.GetY(0), 3);
|
|
|
|
|
|
point.SpatialReference = pFromSpatialReference;
|
|
|
|
|
|
point.Project(pToSpatialReference);
|
|
|
|
|
|
result.x = point.X;
|
|
|
|
|
|
result.y = point.Y;
|
|
|
|
|
|
}
|
|
|
|
|
|
if (geometry != null)
|
|
|
|
|
|
{
|
|
|
|
|
|
geometry.ExportToWkt(out wktstring);
|
|
|
|
|
|
result.wktStr = wktstring;
|
|
|
|
|
|
}
|
|
|
|
|
|
return result;
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/// <summary>
|
|
|
|
|
|
/// 获取坐标点
|
|
|
|
|
|
/// </summary>
|
|
|
|
|
|
/// <param name="pointsStr"></param>
|
|
|
|
|
|
/// <returns></returns>
|
|
|
|
|
|
private OSGeo.OGR.Geometry GetPolygon(string pointsStr)
|
|
|
|
|
|
{
|
|
|
|
|
|
try
|
|
|
|
|
|
{
|
|
|
|
|
|
if (string.IsNullOrEmpty(pointsStr)) return null;
|
|
|
|
|
|
JsonRings p = JsonRings.FromJson(pointsStr);
|
|
|
|
|
|
//ESRI.ArcGIS.Client.Geometry.Polygon polygon = new ESRI.ArcGIS.Client.Geometry.Polygon();
|
|
|
|
|
|
OSGeo.OGR.Geometry geometry = new Geometry(wkbGeometryType.wkbPolygon);
|
|
|
|
|
|
foreach (var ring in p.rings)
|
|
|
|
|
|
{
|
|
|
|
|
|
|
|
|
|
|
|
OSGeo.OGR.Geometry geometryTmp = new Geometry(wkbGeometryType.wkbLinearRing);
|
|
|
|
|
|
foreach (var point in ring)
|
|
|
|
|
|
{
|
|
|
|
|
|
geometryTmp.AddPoint_2D(point[0], point[1]);
|
|
|
|
|
|
//.Add(new ESRI.ArcGIS.Client.Geometry.MapPoint(point[0], point[1]));
|
|
|
|
|
|
}
|
|
|
|
|
|
geometryTmp.CloseRings();
|
|
|
|
|
|
geometry.AddGeometry(geometryTmp);
|
|
|
|
|
|
}
|
|
|
|
|
|
return geometry;
|
|
|
|
|
|
}
|
|
|
|
|
|
catch (Exception ex)
|
|
|
|
|
|
{
|
|
|
|
|
|
return null;
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
private OSGeo.OGR.Geometry GetPolygonProject(string pointsStr)
|
|
|
|
|
|
{
|
|
|
|
|
|
try
|
|
|
|
|
|
{
|
|
|
|
|
|
if (string.IsNullOrEmpty(pointsStr)) return null;
|
|
|
|
|
|
JsonRings p = JsonRings.FromJson(pointsStr);
|
|
|
|
|
|
//ESRI.ArcGIS.Client.Geometry.Polygon polygon = new ESRI.ArcGIS.Client.Geometry.Polygon();
|
|
|
|
|
|
OSGeo.OGR.Geometry geometry = new Geometry(wkbGeometryType.wkbPolygon);
|
|
|
|
|
|
ESRI.ArcGIS.Geometry.IPoint pointProject = new ESRI.ArcGIS.Geometry.PointClass();
|
|
|
|
|
|
ESRI.ArcGIS.Geometry.ISpatialReferenceFactory pSpatialReferenceFactory = new ESRI.ArcGIS.Geometry.SpatialReferenceEnvironment();
|
|
|
|
|
|
ESRI.ArcGIS.Geometry.ISpatialReference pFromSpatialReference = pSpatialReferenceFactory.CreateGeographicCoordinateSystem(4326);
|
|
|
|
|
|
ESRI.ArcGIS.Geometry.ISpatialReference pToSpatialReference = pSpatialReferenceFactory.CreateProjectedCoordinateSystem(4528);
|
|
|
|
|
|
pointProject.SpatialReference = pFromSpatialReference;
|
|
|
|
|
|
foreach (var ring in p.rings)
|
|
|
|
|
|
{
|
|
|
|
|
|
OSGeo.OGR.Geometry geometryTmp = new Geometry(wkbGeometryType.wkbLinearRing);
|
|
|
|
|
|
foreach (var point in ring)
|
|
|
|
|
|
{
|
|
|
|
|
|
pointProject.X = point[0];
|
|
|
|
|
|
pointProject.Y = point[1];
|
|
|
|
|
|
pointProject.Project(pToSpatialReference);
|
|
|
|
|
|
geometryTmp.AddPoint_2D(pointProject.X, pointProject.Y);
|
|
|
|
|
|
//.Add(new ESRI.ArcGIS.Client.Geometry.MapPoint(point[0], point[1]));
|
|
|
|
|
|
}
|
|
|
|
|
|
geometryTmp.CloseRings();
|
|
|
|
|
|
geometry.AddGeometry(geometryTmp);
|
|
|
|
|
|
}
|
|
|
|
|
|
return geometry;
|
|
|
|
|
|
}
|
|
|
|
|
|
catch (Exception ex)
|
|
|
|
|
|
{
|
|
|
|
|
|
return null;
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/// <summary>
|
|
|
|
|
|
/// 获取图层所有字段名称
|
|
|
|
|
|
/// </summary>
|
|
|
|
|
|
/// <param name="shapePath"></param>
|
|
|
|
|
|
/// <param name="layerName"></param>
|
|
|
|
|
|
/// <returns></returns>
|
|
|
|
|
|
public List<string> GetLayerFieldsName(string shapePath, string layerName = null)
|
|
|
|
|
|
{
|
|
|
|
|
|
Layer layer = null;
|
|
|
|
|
|
try
|
|
|
|
|
|
{
|
|
|
|
|
|
|
|
|
|
|
|
layer = OpenLayer(shapePath, layerName);
|
|
|
|
|
|
if (layer == null)
|
|
|
|
|
|
{
|
|
|
|
|
|
KGIS.Framework.Utils.LogAPI.Debug("无法打开图层:" + layerName);
|
|
|
|
|
|
return null;
|
|
|
|
|
|
}
|
|
|
|
|
|
List<string> layerFieldNames = new List<string>();
|
|
|
|
|
|
FeatureDefn oDefn = layer.GetLayerDefn();
|
|
|
|
|
|
int iFieldCount = oDefn.GetFieldCount();
|
|
|
|
|
|
for (int i = 0; i < iFieldCount; i++)
|
|
|
|
|
|
{
|
|
|
|
|
|
FieldDefn oField = oDefn.GetFieldDefn(i);
|
|
|
|
|
|
layerFieldNames.Add(oField.GetName());
|
|
|
|
|
|
}
|
|
|
|
|
|
return layerFieldNames;
|
|
|
|
|
|
}
|
|
|
|
|
|
catch (Exception ex)
|
|
|
|
|
|
{
|
|
|
|
|
|
KGIS.Framework.Utils.LogAPI.Debug("GetLayerFieldsName方法异常:" + ex);
|
|
|
|
|
|
throw ex;
|
|
|
|
|
|
}
|
|
|
|
|
|
finally
|
|
|
|
|
|
{
|
|
|
|
|
|
if (layer != null)
|
|
|
|
|
|
layer.Dispose();
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/// <summary>
|
|
|
|
|
|
/// 打开图层
|
|
|
|
|
|
/// </summary>
|
|
|
|
|
|
/// <param name="shapePath"></param>
|
|
|
|
|
|
/// <param name="layerName"></param>
|
|
|
|
|
|
/// <returns></returns>
|
|
|
|
|
|
public Layer OpenLayer(string shapePath, string layerName = null)
|
|
|
|
|
|
{
|
|
|
|
|
|
Layer layer = null;
|
|
|
|
|
|
try
|
|
|
|
|
|
{
|
|
|
|
|
|
DataSource ds = Ogr.Open(shapePath, 0);
|
|
|
|
|
|
if (ds == null || ds.GetLayerCount() <= 0)
|
|
|
|
|
|
{
|
|
|
|
|
|
KGIS.Framework.Utils.LogAPI.Debug("ds为空");
|
|
|
|
|
|
return null;
|
|
|
|
|
|
}
|
|
|
|
|
|
if (string.IsNullOrWhiteSpace(layerName))
|
|
|
|
|
|
{
|
|
|
|
|
|
layer = ds.GetLayerByIndex(0);
|
|
|
|
|
|
}
|
|
|
|
|
|
else
|
|
|
|
|
|
{
|
|
|
|
|
|
layer = ds.GetLayerByName(layerName);
|
|
|
|
|
|
}
|
|
|
|
|
|
return layer;
|
|
|
|
|
|
}
|
|
|
|
|
|
catch (Exception ex)
|
|
|
|
|
|
{
|
|
|
|
|
|
KGIS.Framework.Utils.LogAPI.Debug("OpenLayer方法异常" + ex);
|
|
|
|
|
|
throw ex;
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
//public double GetDistance( point,OSGeo.OGR.Geometry polyon)
|
|
|
|
|
|
//{
|
|
|
|
|
|
|
|
|
|
|
|
// return point.Distance(polyon);
|
|
|
|
|
|
//}
|
|
|
|
|
|
|
|
|
|
|
|
//private string Geometry2Json(OSGeo.OGR.Geometry pGeo)
|
|
|
|
|
|
//{
|
|
|
|
|
|
// double x, y;
|
|
|
|
|
|
// StringBuilder sb = new StringBuilder("{");
|
|
|
|
|
|
// //sb.Append(@"""geometries""" + ":{");
|
|
|
|
|
|
// switch (pGeo.)
|
|
|
|
|
|
// {
|
|
|
|
|
|
// #region Point2Json
|
|
|
|
|
|
// case ESRI.ArcGIS.Geometry.esriGeometryType.esriGeometryPoint:
|
|
|
|
|
|
// pPoint = pGeo as ESRI.ArcGIS.Geometry.IPoint;
|
|
|
|
|
|
// pPoint.QueryCoords(out x, out y);
|
|
|
|
|
|
// //string json = @"{""x"":" + x + @",""y"":" + y + @",""spatialReference"":" + @"{""wkid"":" + wkid + "}";
|
|
|
|
|
|
// string json = @"{""x"":" + x + @",""y"":" + y;
|
|
|
|
|
|
// sb.Append(@"""point"":" + json);
|
|
|
|
|
|
// break;
|
|
|
|
|
|
// #endregion
|
|
|
|
|
|
// #region Polyline2Json
|
|
|
|
|
|
// case ESRI.ArcGIS.Geometry.esriGeometryType.esriGeometryPolyline:
|
|
|
|
|
|
// pPoints = pGeo as ESRI.ArcGIS.Geometry.IPointCollection;
|
|
|
|
|
|
// IPolyline pPolyline = pGeo as IPolyline;
|
|
|
|
|
|
// IGeometryCollection pGeoetryCollection = pPolyline as IGeometryCollection;
|
|
|
|
|
|
// if (pGeoetryCollection.GeometryCount >= 1)
|
|
|
|
|
|
// {
|
|
|
|
|
|
// sb.Append(@"""paths"":[");
|
|
|
|
|
|
// for (int i = 0; i < pGeoetryCollection.GeometryCount; i++)
|
|
|
|
|
|
// {
|
|
|
|
|
|
// //paths可能有多个path，而每一个path是多个点，用两个for循环
|
|
|
|
|
|
// if (pGeoetryCollection.get_Geometry(i) is IPath)
|
|
|
|
|
|
// {
|
|
|
|
|
|
// sb.Append("[");
|
|
|
|
|
|
// pPoints = pGeoetryCollection.get_Geometry(i) as IPointCollection;
|
|
|
|
|
|
|
|
|
|
|
|
// for (int j = 0; j < pPoints.PointCount; j++)
|
|
|
|
|
|
// {
|
|
|
|
|
|
// pPoint = pPoints.get_Point(j);
|
|
|
|
|
|
// pPoint.QueryCoords(out x, out y);
|
|
|
|
|
|
// sb.Append("[" + x + "," + y + "],");
|
|
|
|
|
|
// }
|
|
|
|
|
|
// sb.Remove(sb.Length - 1, 1);
|
|
|
|
|
|
// sb.Append("]");
|
|
|
|
|
|
// }
|
|
|
|
|
|
// }
|
|
|
|
|
|
// //sb.Append("]" + @",""spatialReference"":" + @"{""wkid"":" + wkid + "}");
|
|
|
|
|
|
// sb.Replace(',', ']', sb.Length - 1, 1);
|
|
|
|
|
|
// //sb.Append("]");
|
|
|
|
|
|
// }
|
|
|
|
|
|
// break;
|
|
|
|
|
|
// #endregion
|
|
|
|
|
|
// #region Polygon2Json
|
|
|
|
|
|
// case ESRI.ArcGIS.Geometry.esriGeometryType.esriGeometryPolygon:
|
|
|
|
|
|
// pPoints = pGeo as ESRI.ArcGIS.Geometry.IPointCollection;
|
|
|
|
|
|
// IPolygon pPolygon = pGeo as IPolygon;
|
|
|
|
|
|
// //外环和内环？面的构造比较复杂，在AO中我们可以获取内环和外环，如果注意过在客户端API中的Rings数组，似乎看不出，所以这里我没采用外环和内环的构造方式，但是代码在后面附上。
|
|
|
|
|
|
// IGeometryCollection pGeoetryCollection1 = pPolygon as IGeometryCollection;
|
|
|
|
|
|
// if (pGeoetryCollection1.GeometryCount >= 1)
|
|
|
|
|
|
// {
|
|
|
|
|
|
// sb.Append(@"""rings"":[");
|
|
|
|
|
|
// for (int i = 0; i < pGeoetryCollection1.GeometryCount; i++)
|
|
|
|
|
|
// {
|
|
|
|
|
|
// if (pGeoetryCollection1.get_Geometry(i) is IRing)
|
|
|
|
|
|
// {
|
|
|
|
|
|
// sb.Append("[");
|
|
|
|
|
|
// pPoints = pGeoetryCollection1.get_Geometry(i) as IPointCollection;
|
|
|
|
|
|
// for (int j = 0; j < pPoints.PointCount; j++)
|
|
|
|
|
|
// {
|
|
|
|
|
|
// pPoint = pPoints.get_Point(j);
|
|
|
|
|
|
// pPoint.QueryCoords(out x, out y);
|
|
|
|
|
|
// sb.Append("[" + x + "," + y + "],");
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// }
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// sb.Remove(sb.Length - 1, 1);
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// sb.Append("],");
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// }
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// }
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// //sb.Append("]" + @",""spatialReference"":" + @"{""wkid"":" + wkid + "}");
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// sb.Replace(',', ']', sb.Length - 1, 1);
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// }
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// break;
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// #endregion
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// }
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|
// //sb.Append("}");
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// //添加Geometry
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// sb.Append("}");
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// return sb.ToString();
|
|
|
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//}
|
|
|
|
|
|
|
|
|
|
|
|
////下面是获取面的内环和外环的坐标
|
|
|
|
|
|
//private void PolygonToString(IPolygon4 polygon)
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|
|
|
|
//{
|
|
|
|
|
|
// IGeometryBag exteriorRingGeometryBag = polygon.ExteriorRingBag;
|
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|
|
|
|
// IGeometryCollection exteriorRingGeometryCollection = exteriorRingGeometryBag as IGeometryCollection;
|
|
|
|
|
|
// Trace.WriteLine("polygon.ExteriorRingCount = " + exteriorRingGeometryCollection.GeometryCount);
|
|
|
|
|
|
// for (int i = 0; i < exteriorRingGeometryCollection.GeometryCount; i++)
|
|
|
|
|
|
// {
|
|
|
|
|
|
// Trace.WriteLine("polygon.ExteriorRing[" + i + "]");
|
|
|
|
|
|
// IGeometry exteriorRingGeometry = exteriorRingGeometryCollection.get_Geometry(i);
|
|
|
|
|
|
// IPointCollection exteriorRingPointCollection = exteriorRingGeometry as IPointCollection;
|
|
|
|
|
|
// for (int j = 0; j < exteriorRingPointCollection.PointCount; j++)
|
|
|
|
|
|
// {
|
|
|
|
|
|
// Trace.WriteLine("Point[" + j + "] = " + PointToString(exteriorRingPointCollection.get_Point(j)));
|
|
|
|
|
|
// }
|
|
|
|
|
|
// IGeometryBag interiorRingGeometryBag = polygon.get_InteriorRingBag(exteriorRingGeometry as IRing);
|
|
|
|
|
|
// IGeometryCollection interiorRingGeometryCollection = interiorRingGeometryBag as IGeometryCollection;
|
|
|
|
|
|
// Trace.WriteLine("polygon.InteriorRingCount[exteriorRing" + i + "] = " + interiorRingGeometryCollection.GeometryCount);
|
|
|
|
|
|
// for (int k = 0; k < interiorRingGeometryCollection.GeometryCount; k++)
|
|
|
|
|
|
// {
|
|
|
|
|
|
// Trace.WriteLine("polygon.InteriorRing[" + k + "]");
|
|
|
|
|
|
// IGeometry interiorRingGeometry = interiorRingGeometryCollection.get_Geometry(k);
|
|
|
|
|
|
// IPointCollection interiorRingPointCollection = interiorRingGeometry as IPointCollection;
|
|
|
|
|
|
// for (int m = 0; m < interiorRingPointCollection.PointCount; m++)
|
|
|
|
|
|
// {
|
|
|
|
|
|
// Trace.WriteLine("Point[" + m + "] = " + PointToString(interiorRingPointCollection.get_Point(m)));
|
|
|
|
|
|
// }
|
|
|
|
|
|
// }
|
|
|
|
|
|
// }
|
|
|
|
|
|
//}
|
|
|
|
|
|
|
|
|
|
|
|
//private string PointToString(IPoint point)
|
|
|
|
|
|
//{
|
|
|
|
|
|
// return (point.X + ", " + point.Y + ", " + point.Z);
|
|
|
|
|
|
//}
|
|
|
|
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
