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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using OSGeo.OGR;
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using OSGeo.GDAL;
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using System.Runtime.InteropServices;
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using System.Threading.Tasks;
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using GIS.HPU.ZYZ.SHP.DBF;
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using System.IO;
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namespace Kingo.Plugin.RasterToKOTilesApp.KoDataBase
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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 object DbfColumn { get; private set; }
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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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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 = string.Empty;
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if (fidIndex > -1)
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{
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bsm = dbfRecord[fidIndex].Trim();
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layer.ResetReading();
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layer.SetAttributeFilter(string.Format("{1}='{0}'", bsm, fidName));
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}
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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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if (fidIndex > -1)
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{
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drNewRow[fidName] = bsm;
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}
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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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public System.Data.DataTable GDBToDataTable(string shapePath, string layerName)
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{
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try
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{
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//打开数据
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DataSource ds = null;
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if (shapePath.ToLower().EndsWith(".gdb") || shapePath.ToLower().EndsWith(".mdb"))
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{
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ds = Ogr.Open(shapePath, 0);
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}
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else
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{
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ds = Ogr.Open(shapePath.Substring(0, shapePath.LastIndexOf("\\")), 0);
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}
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if (ds == null || ds.GetLayerCount() <= 0) return null;
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Layer layer = null;
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layer = ds.GetLayerByName(layerName);
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if (layer == null) return null;
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tableRst = ShapeToDataTable(layer);
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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 GIS.HPU.ZYZ.SHP.DBF.DbfColumn.DbfColumnType.Character:
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dtNew.Columns.Add(colName, typeof(string));
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break;
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case GIS.HPU.ZYZ.SHP.DBF.DbfColumn.DbfColumnType.Number:
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dtNew.Columns.Add(colName, typeof(double));
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break;
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case GIS.HPU.ZYZ.SHP.DBF.DbfColumn.DbfColumnType.Boolean:
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dtNew.Columns.Add(colName, typeof(bool));
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break;
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case GIS.HPU.ZYZ.SHP.DBF.DbfColumn.DbfColumnType.Date:
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dtNew.Columns.Add(colName, typeof(DateTime));
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break;
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case GIS.HPU.ZYZ.SHP.DBF.DbfColumn.DbfColumnType.Memo:
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dtNew.Columns.Add(colName, typeof(string));
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break;
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case GIS.HPU.ZYZ.SHP.DBF.DbfColumn.DbfColumnType.Binary:
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dtNew.Columns.Add(colName, typeof(byte[]));
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break;
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case GIS.HPU.ZYZ.SHP.DBF.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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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();
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if (name.ToUpper() == "SHAPE" || name.ToUpper() == "OBJECTID" || name.ToUpper() == "FID") continue;
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if (name.ToUpper() == "SHAPE") continue;
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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 (type)
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|
{
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case FieldType.OFTInteger:
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dtNew.Columns.Add(colName, typeof(Int32));
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break;
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case FieldType.OFTReal:
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dtNew.Columns.Add(colName, typeof(double));
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break;
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case FieldType.OFTString:
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dtNew.Columns.Add(colName, typeof(string));
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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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//Console.WriteLine("{0}:{1} ({2}.{3})", oField.GetNameRef(),
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// oField.GetFieldTypeName(oField.GetFieldType()),
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// oField.GetWidth(), oField.GetPrecision());
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}
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dtNew.Columns.Add("SHAPE", typeof(object));
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dtNew.Columns.Add("FID", typeof(double));
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return dtNew;
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}
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/// <summary>
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/// 创建新行
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/// </summary>
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/// <param name="feature"></param>
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/// <returns></returns>
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private System.Data.DataRow NewDataRow(Feature feature)
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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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FeatureDefn oDefn = feature.GetDefnRef();
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for (int iField = 0; iField < feature.GetFieldCount(); iField++)
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|
|
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{
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FieldDefn oFieldDefn = oDefn.GetFieldDefn(iField);
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FieldType type = oFieldDefn.GetFieldType();
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string name = oFieldDefn.GetName().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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{
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name = "SHAPELENGTH";
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|
}
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switch (type)
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{
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//case FieldType.OFTBinary:
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// break;
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//case FieldType.OFTDate:
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|
// //feature.GetFieldAsDateTime(i,
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// break;
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|
//case FieldType.OFTDateTime:
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|
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|
// break;
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|
//case FieldType.OFTIntegerList:
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|
// break;
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|
//case FieldType.OFTRealList:
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|
// break;
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//case FieldType.OFTStringList:
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|
// break;
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|
|
//case FieldType.OFTTime:
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|
// break;
|
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|
//case FieldType.OFTWideString:
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|
|
// break;
|
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|
|
//case FieldType.OFTWideStringList:
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|
|
// break;
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|
|
case FieldType.OFTInteger:
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|
|
newRow[name] = feature.GetFieldAsInteger(iField);
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|
break;
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|
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case FieldType.OFTReal:
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|
newRow[name] = feature.GetFieldAsDouble(iField);
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|
break;
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|
|
case FieldType.OFTString:
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|
|
newRow[name] = feature.GetFieldAsString(iField);
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|
|
break;
|
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|
|
default:
|
|
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|
|
newRow[name] = feature.GetFieldAsString(iField);
|
|
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|
|
break;
|
|
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|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
//switch (type)
|
|
|
|
|
|
//{
|
|
|
|
|
|
// case caseFieldType.OFTString:
|
|
|
|
|
|
// Console.WriteLine("{0}\t",feature.GetFieldAsString(iField));
|
|
|
|
|
|
// break;
|
|
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|
|
|
//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 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();
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/// <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;
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
