Пример #1
0
        /// <summary>
        /// 标准差
        /// </summary>
        /// <param name="dzxLayer"></param>
        /// <param name="aue"></param>
        /// <param name="bzc"></param>
        public static void getBZC(OSGeo.OGR.Layer dzxLayer, out double aue, out double bzc)
        {
            //获取Featuer数
            int featCount = dzxLayer.GetFeatureCount(0);

            // 1 拿到每个Featuer的Value
            double[] values = new double[featCount];
            for (int i = 0; i < featCount; i++)
            {
                OSGeo.OGR.Feature fileFeat = dzxLayer.GetFeature(i);
                values[i] = fileFeat.GetFieldAsDouble("EVE");
                fileFeat.Dispose();
            }
            // 2 求Values的平均值
            aue = values.Average();

            // 3 求values与平均值差的平方和
            double pingFangHe = 0;

            for (int i = 0; i < featCount; i++)
            {
                pingFangHe += (values[i] - aue) * (values[i] - aue);
            }
            // 4 每个值与平均值的差相加,除Featuer数.再开方,得到标准差
            bzc = Math.Sqrt(pingFangHe / featCount);
        }
Пример #2
0
        /// <summary>
        /// Ogr to DotSpatial at layer level
        /// </summary>
        /// <param name="layer">Ogr Layer</param>
        /// <returns>DotSpatial IFeatureSet</returns>
        public static DotSpatial.Data.IFeatureSet Ogr2DSLayer(OSGeo.OGR.Layer layer)
        {
            DotSpatial.Data.IFeatureSet featureSet = new DotSpatial.Data.FeatureSet();
            featureSet.FeatureType = Ogr2DSGeometryType(layer.GetGeomType());
            featureSet.DataTable   = Ogr2DSDataTable(layer.GetLayerDefn());
            featureSet.Projection  = Ogr2DSProjection(layer.GetSpatialRef());

            for (int i = 0; i < layer.GetFeatureCount(0); i++)
            {
                OSGeo.OGR.Geometry       geometry   = layer.GetFeature(i).GetGeometryRef();
                DotSpatial.Data.IFeature feature    = new DotSpatial.Data.Feature(Ogr2DSGeometry(geometry));
                OSGeo.OGR.Feature        ogrFeature = layer.GetFeature(i);
                feature.DataRow = featureSet.DataTable.NewRow();
                for (int j = 0; j < layer.GetLayerDefn().GetFieldCount(); j++)
                {
                    object value = GetOgrValue(ogrFeature, j);
                    if (value == null)
                    {
                        value = DBNull.Value;
                    }
                    feature.DataRow[j] = value;
                }
                featureSet.Features.Add(feature);
            }

            return(featureSet);
        }
Пример #3
0
        /// <summary>
        /// 获取Feature的最大值和最小值 范围不准
        /// </summary>
        /// <param name="dsmDs"></param>
        /// <param name="oriFeat"></param>
        /// <param name="bufFeat"></param>
        /// <param name="subRasterOff_Size"></param>
        private static void getMaxMinValue(OSGeo.GDAL.Dataset dsmDs, OSGeo.OGR.Feature oriFeat, OSGeo.OGR.Feature bufFeat, int[] subRasterOff_Size)
        {
            //拿到当前Feature对应的栅格值(数组)
            double[] rastValue = new double[subRasterOff_Size[2] * subRasterOff_Size[3]];

            //把SUBimg的值读进数组
            lock (dsmDs)
            {
                dsmDs.GetRasterBand(1).ReadRaster(
                    subRasterOff_Size[0],
                    subRasterOff_Size[1],
                    subRasterOff_Size[2],
                    subRasterOff_Size[3],
                    rastValue,
                    subRasterOff_Size[2],
                    subRasterOff_Size[3],
                    0, 0);
            }
            double max = rastValue.Max();
            double min = rastValue.Min();
            double cay = max - min;

            oriFeat.SetField("TEMP", max - min);
            oriFeat.SetField("MIN", 0);
            oriFeat.SetField("MAX", min);
            oriFeat.SetField("HIGHT", max);
        }
Пример #4
0
        static void getMinOutLineFromLayerToLayer(OSGeo.OGR.Layer inLayer)
        {
            shpDataSet.deleteLayerByName("minOutLine");
            OSGeo.OGR.Layer   minoutline = shpDataSet.CreateLayer("minOutLine", inLayer.GetSpatialRef(), inLayer.GetGeomType(), null);
            OSGeo.OGR.Feature aFeat      = null;

            StaticTools.msgLine("getMinOutline...");
            int featCount = inLayer.GetFeatureCount(0);

            for (int i = 0; i < featCount; i++)
            {
                aFeat = inLayer.GetFeature(i);
                OSGeo.OGR.Geometry oGeometry = aFeat.GetGeometryRef();
                OSGeo.OGR.Geometry ogeo      = oGeometry.GetGeometryRef(0);
                QTGeometry         qtGeo     = new QTGeometry(ogeo);
                minoutline.CreateFeature(qtGeo.GetSMBR());
                StaticTools.progress((i + 1) * 100 / featCount, $"{i} / {featCount}");
            }
            minoutline.Dispose();
            //inLayer.ResetReading();
            //while ((aFeat = inLayer.GetNextFeature()) != null)
            //{
            //    OSGeo.OGR.Geometry oGeometry = aFeat.GetGeometryRef();
            //    OSGeo.OGR.Geometry ogeo = oGeometry.GetGeometryRef(0);
            //    QTGeometry qtGeo = new QTGeometry(ogeo);
            //    minoutline.CreateFeature(qtGeo.GetSMBR());
            //}
        }
Пример #5
0
        /// <summary>
        /// 将OSGeo.OGR.Feature转为Polygon
        /// </summary>
        /// <param name="feature">OSGeo.OGR.Feature对象</param>
        /// <returns>Polygon对象</returns>
        private List <Polygon> ConvertFeature2Polygon(OSGeo.OGR.Feature feature)
        {
            List <Polygon> polys = new List <Polygon>();

            if (feature != null)
            {
                ConvertFromFeature convert = new ConvertFromFeature();
                GeneralGeometry    geo     = convert.Feature2Geometry(feature);
                switch (geo.GeometryType)
                {
                case WKBGeometryType.wkbPolygon:
                    Polygon poly = geo.MyPolygon;
                    poly.Id = _id++;
                    polys.Add(poly);
                    break;

                case WKBGeometryType.wkbMultiPolygon:
                    polys = geo.MyMultiPolygon;
                    for (int i = 0; i < polys.Count; i++)
                    {
                        polys[i].Id = _id++;
                    }
                    break;

                default:
                    break;
                }
            }
            return(polys);
        }
Пример #6
0
        /// <summary>
        /// 通过ID数组提取出所有要素
        /// </summary>
        /// <param name="dzLine"></param>
        /// <param name="pdLing"></param>
        /// <param name="savePath"></param>
        public static void selectFeat(string dzLine, string pdLing, string savePath)
        {
            //获得数组
            int[] a = getMinIdGroup(dzLine, pdLing);

            OSGeo.OGR.Ogr.RegisterAll();
            OSGeo.OGR.Driver dr = OSGeo.OGR.Ogr.GetDriverByName("ESRI shapefile");
            //读取原Layer
            OSGeo.OGR.DataSource dzDS    = dr.Open(dzLine, 0);
            OSGeo.OGR.Layer      dzLayer = dzDS.GetLayerByIndex(0);
            //新建Layer
            if (System.IO.File.Exists(savePath))
            {
                System.IO.File.Delete(savePath);
            }
            OSGeo.OGR.DataSource ds        = dr.CreateDataSource(savePath, null);
            OSGeo.OGR.Layer      fileLayer = ds.CreateLayer("", null, OSGeo.OGR.wkbGeometryType.wkbPolygon, null);
            //get featuer by ID
            for (int i = 0; i < a.Length; i++)
            {
                OSGeo.OGR.Feature  dzFeat   = dzLayer.GetFeature(a[i]);
                OSGeo.OGR.Geometry dzGeom   = dzFeat.GetGeometryRef();
                OSGeo.OGR.Geometry fileGeom = dzGeom;
                OSGeo.OGR.Feature  fileFeat = new OSGeo.OGR.Feature(dzFeat.GetDefnRef());
                fileFeat.SetGeometry(fileGeom);
                fileLayer.CreateFeature(dzFeat);
            }
            fileLayer.Dispose();
            ds.Dispose();
            dzDS.Dispose();
        }
Пример #7
0
        /*************************************************************************************************/



        /***************************读入SHP文件***************************/
        /// <summary>
        /// shpPolygon To List<Point[]>
        /// </summary>
        /// <param name="filePath"></param>
        /// <returns></returns>
        public static List <Point[]> shpPolygonToPointGL(string filePath)
        {
            List <Point[]> allFeature = new List <Point[]>();

            OSGeo.OGR.Ogr.RegisterAll();
            OSGeo.OGR.Driver     dr        = OSGeo.OGR.Ogr.GetDriverByName("ESRI shapefile");
            OSGeo.OGR.DataSource ds        = dr.Open(filePath, 0);
            OSGeo.OGR.Layer      fileLayer = ds.GetLayerByIndex(0);

            int FeatCount = fileLayer.GetFeatureCount(0);

            for (int u = 0; u < FeatCount; u++)
            {
                OSGeo.OGR.Feature  fileFeature = fileLayer.GetFeature(u);
                OSGeo.OGR.Geometry fileGeom    = fileFeature.GetGeometryRef();
                OSGeo.OGR.Geometry subGeom     = fileGeom.GetGeometryRef(0);
                int     k     = subGeom.GetPointCount();
                Point[] aFeat = new Point[k];
                for (int i = 0; i < k; i++)
                {
                    aFeat[i].X = subGeom.GetX(i);
                    aFeat[i].Y = subGeom.GetY(i);
                    aFeat[i].Z = subGeom.GetZ(i);
                }
                allFeature.Add(aFeat);
            }
            return(allFeature);
        }
Пример #8
0
        public static object GetFieldValue(this OSGeo.OGR.Feature feature, string fieldName)
        {
            if (feature == null || string.IsNullOrEmpty(fieldName))
            {
                throw new Exception("参数设置错误");
            }
            using var fieldDefn = feature.GetFieldDefnRef(fieldName);
            object value;

            switch (fieldDefn.GetFieldType())
            {
            case OSGeo.OGR.FieldType.OFTString:
                value = feature.GetFieldAsString(fieldName);
                break;

            case OSGeo.OGR.FieldType.OFTInteger:
                value = feature.GetFieldAsInteger(fieldName);
                break;

            case OSGeo.OGR.FieldType.OFTInteger64:
                value = feature.GetFieldAsInteger64(fieldName);
                break;

            case OSGeo.OGR.FieldType.OFTReal:
                value = feature.GetFieldAsDouble(fieldName);
                break;

            default:
                throw new NotImplementedException();
            }
            return(value);
        }
Пример #9
0
        public static object GetFieldValue(this OSGeo.OGR.Feature feature, int index)
        {
            if (feature == null || index < 0 || index >= feature.GetFieldCount())
            {
                throw new Exception("参数设置错误");
            }
            using var fieldDefn = feature.GetFieldDefnRef(index);
            object value;

            switch (fieldDefn.GetFieldType())
            {
            case  OSGeo.OGR.FieldType.OFTString:
                value = feature.GetFieldAsString(index);
                break;

            case OSGeo.OGR.FieldType.OFTInteger:
                value = feature.GetFieldAsInteger(index);
                break;

            case OSGeo.OGR.FieldType.OFTInteger64:
                value = feature.GetFieldAsInteger64(index);
                break;

            case OSGeo.OGR.FieldType.OFTReal:
                value = feature.GetFieldAsDouble(index);
                break;

            default:
                throw new NotImplementedException();
            }
            return(value);
        }
Пример #10
0
        private static void _标准差(string dzx, out double aue, out double bzc)
        {
            OSGeo.OGR.Ogr.RegisterAll();
            OSGeo.OGR.Driver     dr       = OSGeo.OGR.Ogr.GetDriverByName("ESRI shapefile");
            OSGeo.OGR.DataSource dzxDS    = dr.Open(dzx, 0);
            OSGeo.OGR.Layer      dzxLayer = dzxDS.GetLayerByIndex(0);

            //获取Featuer数
            int featCount = dzxLayer.GetFeatureCount(0);

            // 1 拿到每个Featuer的Value
            double[] values = new double[featCount];
            for (int i = 0; i < featCount; i++)
            {
                OSGeo.OGR.Feature  fileFeat = dzxLayer.GetFeature(i);
                OSGeo.OGR.Geometry fileGeom = fileFeat.GetGeometryRef();
                values[i] = fileFeat.GetFieldAsDouble("EVE");
                fileGeom.Dispose();
                fileFeat.Dispose();
            }
            dzxDS.Dispose();
            // 2 求Values的平均值
            aue = values.Average();

            // 3 求values与平均值差的平方和
            double pingFangHe = 0;

            for (int i = 0; i < featCount; i++)
            {
                pingFangHe += (values[i] - aue) * (values[i] - aue);
            }
            // 4 每个值与平均值的差相加,除Featuer数.再开方,得到标准差
            bzc = Math.Sqrt(pingFangHe / featCount);
        }
Пример #11
0
        //分块清理,提高效率
        public static OSGeo.OGR.Layer cleanLayer_Cut(OSGeo.OGR.Layer pdLayer, double minArea, double maxArea, double maxCha = 1)
        {
            List <CutBox> Tree = buildTree(pdLayer);


            shpDataSet.deleteLayerByName("pdClear");
            OSGeo.OGR.Layer    outLayer = shpDataSet.CreateLayer("pdClear", pdLayer.GetSpatialRef(), pdLayer.GetGeomType(), null);
            OSGeo.OGR.Envelope oriEnve  = new OSGeo.OGR.Envelope();
            OSGeo.OGR.Envelope nextEnve = new OSGeo.OGR.Envelope();
            StaticTools.msgLine("clean SlopeLine...");
            for (int c = 0; c < Tree.Count; c++)
            {
                CutBox cb        = Tree[c];
                int    featCount = cb.pdxIDs.Count;

                for (int i = 0; i < featCount - 1; i++)
                {
                    bool isOnly               = true;
                    OSGeo.OGR.Feature ori     = pdLayer.GetFeature(cb.pdxIDs[i]);
                    double            oriArea = ori.GetGeometryRef().GetArea();

                    if (oriArea < minArea || oriArea > maxArea)
                    {
                        //判断当前要素的面积,过小或过大时,认为其有相同的图形,不加入新的Layer
                        isOnly = false;
                    }
                    else
                    {
                        //判断当前要素与其它要素的包围盒的对应边,差值都小于阈值时,认为是相同的图形,需要跳过
                        //没有相同的图型时,isOnly为true ,塞到新的layer里
                        ori.GetGeometryRef().GetEnvelope(oriEnve);
                        for (int j = i + 1; j < featCount; j++)
                        {
                            pdLayer.GetFeature(cb.pdxIDs[j]).GetGeometryRef().GetEnvelope(nextEnve);
                            if (Math.Abs(oriEnve.MaxX - nextEnve.MaxX) < maxCha &&
                                Math.Abs(oriEnve.MaxY - nextEnve.MaxY) < maxCha &&
                                Math.Abs(oriEnve.MinX - nextEnve.MinX) < maxCha &&
                                Math.Abs(oriEnve.MinY - nextEnve.MinY) < maxCha)
                            {
                                isOnly = false;
                                break;
                            }
                        }
                    }
                    if (isOnly)
                    {
                        outLayer.CreateFeature(ori);
                    }
                    StaticTools.progress((i + 2) * 100 / featCount, $"{i + 1} / {featCount}");
                }
            }

            if (IsDelete)
            {
                shpDataSet.deleteLayerByName(pdLayer.GetName());
            }

            return(outLayer);
        }
Пример #12
0
 public static OSGeo.OGR.Feature ToFeature(this IFeature feature)
 {
     OSGeo.OGR.Feature destFeature = null;
     if (feature is GdalFeature gdalFeature)
     {
         destFeature = gdalFeature.Feature;
     }
     return(destFeature);
 }
Пример #13
0
        public static IFeature ToFeature(this OSGeo.OGR.Feature feature)
        {
            IFeature destFeature = null;

            if (feature != null)
            {
                destFeature = new GdalFeature(feature);
            }
            return(destFeature);
        }
Пример #14
0
        /// <summary>
        /// Returns a FeatureDataRow based on a RowID
        /// </summary>
        /// <param name="rowId"></param>
        /// <returns>FeatureDataRow</returns>
        public FeatureDataRow GetFeature(uint rowId)
        {
            FeatureDataTable fdt = new FeatureDataTable();

            _ogrLayer.ResetReading();
            ReadColumnDefinition(fdt, _ogrLayer);
            OgrFeature feature = _ogrLayer.GetFeature((int)rowId);

            return(OgrFeatureToFeatureDataRow(fdt, feature));
        }
Пример #15
0
        private static void getH(OSGeo.OGR.Layer oriLayer)
        {
            //创建一个BUFFER,BUFFER距离为1米
            OSGeo.OGR.Layer bufLayer = bufferFile(oriLayer, 1);

            //判断原文件中是否有以下字段,没有就创建

            if (oriLayer.FindFieldIndex("MIN", 1) == -1)
            {
                OSGeo.OGR.FieldDefn min = new OSGeo.OGR.FieldDefn("MIN", OSGeo.OGR.FieldType.OFTReal);
                oriLayer.CreateField(min, 1);
            }

            if (oriLayer.FindFieldIndex("MAX", 1) == -1)
            {
                OSGeo.OGR.FieldDefn max = new OSGeo.OGR.FieldDefn("MAX", OSGeo.OGR.FieldType.OFTReal);
                oriLayer.CreateField(max, 1);
            }

            if (oriLayer.FindFieldIndex("HIGHT", 1) == -1)
            {
                OSGeo.OGR.FieldDefn hight = new OSGeo.OGR.FieldDefn("HIGHT", OSGeo.OGR.FieldType.OFTReal);
                oriLayer.CreateField(hight, 1);
            }
            if (oriLayer.FindFieldIndex("TEMP", 1) == -1)
            {
                OSGeo.OGR.FieldDefn hight = new OSGeo.OGR.FieldDefn("TEMP", OSGeo.OGR.FieldType.OFTReal);
                oriLayer.CreateField(hight, 1);
            }
            double[] transfrom = new double[6];
            dsmDataset.GetGeoTransform(transfrom);
            int allX = dsmDataset.RasterXSize;
            int allY = dsmDataset.RasterYSize;

            StaticTools.msgLine("getH...");
            //开始计算每个Feature需要读取的栅格参数
            int featCount = oriLayer.GetFeatureCount(0);

            for (int i = 0; i < featCount; i++)
            {
                OSGeo.OGR.Feature oriFeat           = oriLayer.GetFeature(i);
                OSGeo.OGR.Feature bufFeat           = bufLayer.GetFeature(i);
                int[]             subRasterOff_Size = subRasterInfo(transfrom, allX, allY, bufFeat);
                //  getMaxMinValue(dsmDataset, oriFeat, bufFeat, subRasterOff_Size);
                oriLayer.SetFeature(oriFeat);
                oriFeat.Dispose();
                bufFeat.Dispose();
                StaticTools.progress((i + 1) * 100 / featCount, $"{i} / {featCount}");
            }
            if (IsDelete)
            {
                shpDataSet.deleteLayerByName(bufLayer.GetName());
            }
        }
Пример #16
0
 static OSGeo.OGR.Feature polyFeat(OSGeo.OGR.Geometry lineGeom)
 {
     OSGeo.OGR.Feature  polyFeat = new OSGeo.OGR.Feature(new OSGeo.OGR.FeatureDefn(""));
     OSGeo.OGR.Geometry polyGeom = new OSGeo.OGR.Geometry(OSGeo.OGR.wkbGeometryType.wkbPolygon);
     OSGeo.OGR.Geometry subGeom  = new OSGeo.OGR.Geometry(OSGeo.OGR.wkbGeometryType.wkbLinearRing);
     for (int s = 0; s < lineGeom.GetPointCount(); s++)
     {
         subGeom.AddPoint(lineGeom.GetX(s), lineGeom.GetY(s), lineGeom.GetZ(s));
     }
     polyGeom.AddGeometry(subGeom);
     polyFeat.SetGeometry(polyGeom);
     return(polyFeat);
 }
Пример #17
0
        private static void TKDataF(OSGeo.OGR.Layer slopePolyLayer, int index)
        {
            double[] geoTansform = new double[6];
            dsmDataset.GetGeoTransform(geoTansform);

            int xTimes = (dsm_Xsize - 300) / 500;
            int xRemainder = (dsm_Xsize - 300) % 500;
            int yTimes = (dsm_Ysize - 300) / 500;
            int yRemainder = (dsm_Ysize - 300) % 500;
            int ax = xTimes, by = yTimes;

            if (xRemainder > 10)
            {
                ax++;
            }
            int x = index % ax;
            int y = index / ax;
            int xsize = 800, ysize = 800;

            if (x * 500 + 800 > dsm_Xsize)
            {
                xsize = dsm_Xsize - x * 500;
            }
            if (y * 500 + 800 > dsm_Ysize)
            {
                ysize = dsm_Ysize - y * 500;
            }

            double[] buffer      = new double[xsize * ysize];
            double[] slopebuffer = new double[xsize * ysize];
            dsmDataset.GetRasterBand(1).ReadRaster(x * 500, y * 500, xsize, ysize, buffer, xsize, ysize, 0, 0);
            slopeDataSet.GetRasterBand(1).ReadRaster(x * 500, y * 500, xsize, ysize, slopebuffer, xsize, ysize, 0, 0);

            BasicUnit bUnit = new BasicUnit(x * 500, y * 500, xsize, ysize, ImprotLevel, buffer, slopebuffer, geoTansform, imgNodata);

            List <OSGeo.OGR.Geometry> geolist = bUnit.Identify2();

            lock (slopePolyLayer)
            {
                foreach (OSGeo.OGR.Geometry item in geolist)
                {
                    if (item.GetGeometryType() == OSGeo.OGR.wkbGeometryType.wkbPolygon25D ||
                        item.GetGeometryType() == OSGeo.OGR.wkbGeometryType.wkbPolygon)
                    {
                        OSGeo.OGR.Feature oFea = new OSGeo.OGR.Feature(slopePolyLayer.GetLayerDefn());
                        oFea.SetGeometry(item);
                        slopePolyLayer.CreateFeature(oFea);
                    }
                }
            }
        }
Пример #18
0
        /// <summary>
        /// 根据dsm的坐标划分区域
        /// </summary>
        /// <param name="tileSize">区块尺寸</param>
        /// <returns></returns>
        static OSGeo.OGR.Layer createCutLayer(double tileSize)
        {
            shpDataSet.deleteLayerByName("cutLayer");
            OSGeo.OGR.Layer cutLayer = shpDataSet.CreateLayer("cutLayer", srs, OSGeo.OGR.wkbGeometryType.wkbPolygon, null);
            double[]        trans    = new double[6];
            dsmDataset.GetGeoTransform(trans);
            //四边坐标
            double top    = trans[3];
            double left   = trans[0];
            double right  = trans[0] + dsmDataset.RasterXSize * trans[1];
            double bottom = trans[3] + dsmDataset.RasterYSize * trans[5];
            //子块角点
            Point LB, LT, RT, RB;

            //横竖块数
            int hCount = (int)((top - bottom) / tileSize) + 1;
            int wCount = (int)((right - left) / tileSize) + 1;

            for (int h = 0; h < hCount; h++)
            {
                for (int w = 0; w < wCount; w++)
                {
                    OSGeo.OGR.Geometry subCutGeom = new OSGeo.OGR.Geometry(OSGeo.OGR.wkbGeometryType.wkbLinearRing);

                    LB.X = left + tileSize * w;
                    LB.Y = bottom + tileSize * h;
                    subCutGeom.AddPoint(LB.X, LB.Y, 0);

                    LT.X = LB.X;
                    LT.Y = LB.Y + tileSize;
                    subCutGeom.AddPoint(LT.X, LT.Y, 0);

                    RT.X = LB.X + tileSize;
                    RT.Y = LT.Y;
                    subCutGeom.AddPoint(RT.X, RT.Y, 0);

                    RB.X = RT.X;
                    RB.Y = LB.Y;
                    subCutGeom.AddPoint(RB.X, RB.Y, 0);
                    //封闭poly
                    subCutGeom.AddPoint(LB.X, LB.Y, 0);

                    OSGeo.OGR.Geometry cutGeom = new OSGeo.OGR.Geometry(OSGeo.OGR.wkbGeometryType.wkbPolygon);
                    cutGeom.AddGeometry(subCutGeom);
                    OSGeo.OGR.Feature cutFeat = new OSGeo.OGR.Feature(new OSGeo.OGR.FeatureDefn(""));
                    cutFeat.SetGeometry(cutGeom);
                    cutLayer.CreateFeature(cutFeat);
                }
            }
            return(cutLayer);
        }
Пример #19
0
        /********************************   等值线转换为多边形   ***********************************************/

        /// <summary>
        /// 等值线转为POLYGON
        /// </summary>
        /// <param name="filePath"></param>
        /// <returns></returns>
        public static string dzPoly(string filePath)
        {
            OSGeo.OGR.Ogr.RegisterAll();
            OSGeo.OGR.Driver dr = OSGeo.OGR.Ogr.GetDriverByName("ESRI shapefile");

            string a = StaticTools.tempFilePath("shp", "等值线POLY");

            OSGeo.OGR.DataSource newDS     = dr.CreateDataSource(a, null);
            OSGeo.OGR.Layer      polyLayer = newDS.CreateLayer("", null, OSGeo.OGR.wkbGeometryType.wkbPolygon, null);
            OSGeo.OGR.FieldDefn  fieldDf0  = new OSGeo.OGR.FieldDefn("LID", OSGeo.OGR.FieldType.OFTInteger);
            OSGeo.OGR.FieldDefn  fieldDf1  = new OSGeo.OGR.FieldDefn("EVE", OSGeo.OGR.FieldType.OFTReal);
            polyLayer.CreateField(fieldDf0, 1); //ID
            polyLayer.CreateField(fieldDf1, 1); //Value
            OSGeo.OGR.FeatureDefn featDF = new OSGeo.OGR.FeatureDefn("");
            Console.WriteLine("开始等值线转POLY!");
            OSGeo.OGR.DataSource cleanDS    = dr.Open(filePath, 0);
            OSGeo.OGR.Layer      cleanLayer = cleanDS.GetLayerByIndex(0);
            for (int i = 0; i < cleanLayer.GetFeatureCount(0); i++)
            {
                OSGeo.OGR.Feature  lineFeat = cleanLayer.GetFeature(i);
                OSGeo.OGR.Geometry lineGeom = lineFeat.GetGeometryRef();

                OSGeo.OGR.Feature  polyFeat = new OSGeo.OGR.Feature(featDF);
                OSGeo.OGR.Geometry polyGeom = new OSGeo.OGR.Geometry(OSGeo.OGR.wkbGeometryType.wkbPolygon);
                OSGeo.OGR.Geometry subGeom  = new OSGeo.OGR.Geometry(OSGeo.OGR.wkbGeometryType.wkbLinearRing);
                int u = lineGeom.GetPointCount();
                for (int s = 0; s < u; s++)
                {
                    double x = lineGeom.GetX(s);
                    double y = lineGeom.GetY(s);
                    double z = lineGeom.GetZ(s);
                    subGeom.AddPoint(x, y, z);
                }
                polyGeom.AddGeometry(subGeom);
                polyFeat.SetGeometry(polyGeom);
                polyLayer.CreateFeature(polyFeat);
                lineGeom.Dispose();
                polyGeom.Dispose();
                subGeom.Dispose();
                lineFeat.Dispose();
                polyFeat.Dispose();
            }
            cleanLayer.Dispose();
            polyLayer.Dispose();
            cleanDS.Dispose();
            newDS.Dispose();
            Console.WriteLine("等值线转POLY完成!");
            return(a);
        }
Пример #20
0
        /// <summary>
        /// DotSpatial to Ogr at layer level
        /// </summary>
        /// <param name="featureSet">DotSpatial IFeatureSet</param>
        /// <returns>Ogr Layer</returns>
        public static OSGeo.OGR.Layer DS2OrgLayer(DotSpatial.Data.IFeatureSet featureSet)
        {
            using (OSGeo.OGR.Driver driver = OSGeo.OGR.Ogr.GetDriverByName("Memory"))
            {
                OSGeo.OGR.DataSource  dataSource  = driver.CreateDataSource(featureSet.Name, null);
                OSGeo.OGR.Layer       layer       = dataSource.CreateLayer("Result", DS2OgrProjection(featureSet.Projection), DS2OgrGeometryType(featureSet.FeatureType), new string[] { });
                OSGeo.OGR.FeatureDefn featureDefn = DS2OgrDataTable(featureSet.DataTable);

                for (int k = 0; k < featureDefn.GetFieldCount(); k++)
                {
                    layer.CreateField(featureDefn.GetFieldDefn(k), 0);
                }

                for (int i = 0; i < featureSet.NumRows(); i++)
                {
                    DotSpatial.Data.IFeature feature    = featureSet.GetFeature(i);
                    OSGeo.OGR.Feature        ogrFeature = new OSGeo.OGR.Feature(featureDefn);
                    ogrFeature.SetGeometry(DS2OgrGeometry(feature.Geometry, featureSet));
                    for (int j = 0; j < feature.DataRow.ItemArray.Length; j++)
                    {
                        #region Set Value to Feature

                        object value = feature.DataRow.ItemArray.GetValue(j);
                        if (value is int)
                        {
                            ogrFeature.SetField(j, (int)value);
                        }
                        else if (value is double)
                        {
                            ogrFeature.SetField(j, (double)value);
                        }
                        else if (value is string)
                        {
                            ogrFeature.SetField(j, (string)value);
                        }
                        else if (value is DateTime)
                        {
                            DateTime dateTime = (DateTime)value;
                            ogrFeature.SetField(j, dateTime.Year, dateTime.Month, dateTime.Day, dateTime.Hour, dateTime.Minute, (float)dateTime.Second, 0);
                        }

                        #endregion
                    }
                    layer.CreateFeature(ogrFeature);
                }
                dataSource.FlushCache();
                return(layer);
            }
        }
Пример #21
0
 /// <summary>
 /// LineD to shpLine
 /// </summary>
 /// <param name="savePath"></param>
 /// <param name="aLine"></param>
 public static void LineDtoshpLine(string savePath, LineD aLine)
 {
     OSGeo.OGR.Ogr.RegisterAll();
     OSGeo.OGR.Driver      dr        = OSGeo.OGR.Ogr.GetDriverByName("ESRI shapefile");
     OSGeo.OGR.DataSource  ds        = dr.CreateDataSource(savePath, null);
     OSGeo.OGR.Layer       fileLayer = ds.CreateLayer("", null, OSGeo.OGR.wkbGeometryType.wkbLineString, null);
     OSGeo.OGR.FeatureDefn FeatDf    = new OSGeo.OGR.FeatureDefn("");
     OSGeo.OGR.Feature     fileFeat  = new OSGeo.OGR.Feature(FeatDf);
     OSGeo.OGR.Geometry    fileGeom  = new OSGeo.OGR.Geometry(OSGeo.OGR.wkbGeometryType.wkbLineString);
     fileGeom.AddPoint(aLine.Start.X, aLine.Start.Y, aLine.Start.Z);
     fileGeom.AddPoint(aLine.End.X, aLine.End.Y, aLine.End.Z);
     fileFeat.SetGeometry(fileGeom);
     fileLayer.CreateFeature(fileFeat);
     fileLayer.Dispose();
     ds.Dispose();
 }
Пример #22
0
        public static OSGeo.OGR.Layer DS2OrgLayer(DotSpatial.Data.IFeatureSet featureSet, OSGeo.OGR.Layer layer)
        {
            using (OSGeo.OGR.FeatureDefn featureDefn = DS2OgrDataTable(featureSet.DataTable))
            {
                for (int k = 0; k < featureDefn.GetFieldCount(); k++)
                {
                    layer.CreateField(featureDefn.GetFieldDefn(k), 0);
                }

                for (int i = 0; i < featureSet.NumRows(); i++)
                {
                    DotSpatial.Data.IFeature feature = featureSet.GetFeature(i);
                    using (OSGeo.OGR.Feature ogrFeature = new OSGeo.OGR.Feature(featureDefn))
                    {
                        ogrFeature.SetGeometry(DS2OgrGeometry(feature.Geometry, featureSet));
                        for (int j = 0; j < feature.DataRow.ItemArray.Length; j++)
                        {
                            #region Set Value to Feature

                            object value = feature.DataRow.ItemArray.GetValue(j);
                            if (value is int)
                            {
                                ogrFeature.SetField(j, (int)value);
                            }
                            else if (value is double)
                            {
                                ogrFeature.SetField(j, (double)value);
                            }
                            else if (value is string)
                            {
                                ogrFeature.SetField(j, (string)value);
                            }
                            else if (value is DateTime)
                            {
                                DateTime dateTime = (DateTime)value;
                                ogrFeature.SetField(j, dateTime.Year, dateTime.Month, dateTime.Day, dateTime.Hour, dateTime.Minute, (float)dateTime.Second, 0);
                            }

                            #endregion
                        }
                        layer.CreateFeature(ogrFeature);
                    }
                }
            }
            return(layer);
        }
Пример #23
0
        /// <summary>
        /// 清理Layer中重复的,面积过小的featuer,返回一个新的Layer
        /// </summary>
        /// <param name="inLayer">源layer</param>
        /// <param name="andArea">是否判断最小面积</param>
        /// <param name="minArea">最小面积</param>
        /// <returns></returns>
        public static OSGeo.OGR.Layer cleanLayer_FF(OSGeo.OGR.Layer inLayer)
        {
            string oldLayerName = inLayer.GetName();
            string newLayerName = oldLayerName + "Clear";

            shpDataSet.deleteLayerByName(newLayerName);
            OSGeo.OGR.Layer outLayer = shpDataSet.CreateLayer(newLayerName, srs, inLayer.GetGeomType(), null);

            int featCount = inLayer.GetFeatureCount(0);

            StaticTools.msgLine($"clean resLine... before {featCount}");
            for (int i = 0; i < featCount - 1; i++)
            {
                bool isOnly                = true;
                OSGeo.OGR.Feature  ori     = inLayer.GetFeature(i);
                OSGeo.OGR.Envelope oriEnve = new OSGeo.OGR.Envelope();
                ori.GetGeometryRef().GetEnvelope(oriEnve);
                double maxCha = 1;
                for (int j = i + 1; j < featCount; j++)
                {
                    OSGeo.OGR.Feature  next     = inLayer.GetFeature(j);
                    OSGeo.OGR.Envelope nextEnve = new OSGeo.OGR.Envelope();
                    next.GetGeometryRef().GetEnvelope(nextEnve);
                    if (Math.Abs(oriEnve.MaxX - nextEnve.MaxX) < maxCha &&
                        Math.Abs(oriEnve.MaxY - nextEnve.MaxY) < maxCha &&
                        Math.Abs(oriEnve.MinX - nextEnve.MinX) < maxCha &&
                        Math.Abs(oriEnve.MinY - nextEnve.MinY) < maxCha)
                    {
                        isOnly = false;
                        break;
                    }
                }
                if (isOnly)
                {
                    outLayer.CreateFeature(ori);
                }
                ori.Dispose();
                StaticTools.progress((i + 2) * 100 / featCount, $"{i + 1} / {featCount}");
            }
            if (IsDelete)
            {
                shpDataSet.deleteLayerByName(inLayer.GetName());
            }
            StaticTools.msgLine($"clean resLine... after {outLayer.GetFeatureCount(0)}");
            return(outLayer);
        }
Пример #24
0
        public OGRCursor(OGRDataset parent, String whereClause, System.Array esriQueryFieldMap, IEnvelope env = null, int onlyOneID = -1)
        {
            m_isFinished = false;
            m_pDataset   = parent;

            m_whereClause = whereClause;

            if (m_whereClause != null && m_whereClause.Length > 0)
            {
                m_pDataset.ogrLayer.SetAttributeFilter(m_whereClause);
            }
            else
            {
                m_pDataset.ogrLayer.SetAttributeFilter(null);
            }

            m_envelope = env;
            if (m_envelope != null)
            {
                m_envelope.Project(m_pDataset.SpatialReference);
                m_pDataset.ogrLayer.SetSpatialFilterRect(m_envelope.XMin, m_envelope.YMin, m_envelope.XMax, m_envelope.YMax);
            }
            else
            {
                m_pDataset.ogrLayer.SetSpatialFilter(null);
            }


            m_esriQueryFieldMap = esriQueryFieldMap;


            m_pDataset.ogrLayer.ResetReading();

            m_currentOGRFeature = null;

            m_onlyOneID = onlyOneID;

            if (m_onlyOneID == -1)
            {
                NextRecord();
            }
            else
            {
                RetrieveOnlyOneRecord();
            }
        }
Пример #25
0
        /// <summary>
        /// Spatial filter using OGR
        /// </summary>
        /// <param name="featureSet">FeatureSet</param>
        /// <param name="geometry">Spatial geometry</param>
        /// <returns>Indexs of selected features</returns>
        public static List <int> OgrSpatialFilter(IFeatureSet featureSet, IGeometry geometry)
        {
            List <int> result = new List <int>();

            OSGeo.OGR.Layer    layer = GIS.GDAL.VectorConverter.DS2OrgLayer(featureSet);
            OSGeo.OGR.Geometry geo   = GIS.GDAL.VectorConverter.DS2OgrGeometry(geometry, featureSet);
            layer.SetSpatialFilter(geo);

            OSGeo.OGR.Feature feature = layer.GetNextFeature();
            while (feature != null)
            {
                result.Add(Convert.ToInt32(feature.GetFID()));
                feature = layer.GetNextFeature();
            }

            return(result);
        }
Пример #26
0
        /// <summary>
        /// 清理等值线上的点
        /// </summary>
        /// <param name="filePath"></param>
        public static void claenPoint(string filePath)
        {
            OSGeo.OGR.Ogr.RegisterAll();
            OSGeo.OGR.Driver dr = OSGeo.OGR.Ogr.GetDriverByName("ESRI shapefile");
            //进来的Layer
            OSGeo.OGR.DataSource oriDs    = dr.Open(filePath, 0);
            OSGeo.OGR.Layer      oriLayer = oriDs.GetLayerByIndex(0);
            //出去的Layer
            if (System.IO.File.Exists(filePath.Substring(0, filePath.LastIndexOf(".")) + "_targ.shp"))
            {
                // UsefullTools.deleteFiles(filePath.Substring(0, filePath.LastIndexOf(".")) + "_targ.shp");
            }
            OSGeo.OGR.DataSource targDs    = dr.CreateDataSource(filePath.Substring(0, filePath.LastIndexOf(".")) + "_targ.shp", null);
            OSGeo.OGR.Layer      targLayer = targDs.CreateLayer("targ", null, OSGeo.OGR.wkbGeometryType.wkbPolygon, null);

            int featCount = oriLayer.GetFeatureCount(0);

            for (int i = 0; i < featCount; i++)
            {
                ///进来的Featuer
                OSGeo.OGR.Feature oriFeat = oriLayer.GetFeature(i);

                ///把一个Featuer转为点数组
                OSGeo.OGR.Geometry oriGeom = oriFeat.GetGeometryRef();
                OSGeo.OGR.Geometry subGeom = oriGeom.GetGeometryRef(0);
                int     pointCount         = subGeom.GetPointCount();
                Point[] aFeat = new Point[pointCount];
                for (int c = 0; c < pointCount; c++)
                {
                    aFeat[c].X = subGeom.GetX(c);
                    aFeat[c].Y = subGeom.GetY(c);
                    aFeat[c].Z = subGeom.GetZ(c);
                }

                ///调选点方法,得到一个新的Featuer
                OSGeo.OGR.Feature newFeat = JID(aFeat);

                if (newFeat != null)
                {
                    targLayer.CreateFeature(newFeat);
                }
            }
            oriDs.Dispose();
            targDs.Dispose();
        }
Пример #27
0
        public void NextRecord()
        {
            if (m_isFinished)   //error already thrown once
            {
                return;
            }

            m_currentOGRFeature = m_pDataset.ogrLayer.GetNextFeature();

            if (m_currentOGRFeature == null)
            {
                m_isFinished = true;

                throw new COMException("End of OGR Plugin cursor", S_FALSE);
            }

            return;
        }
Пример #28
0
 /// <summary>
 /// Point[] to shpPoint
 /// </summary>
 /// <param name="savePath"></param>
 /// <param name="allFeat"></param>
 public static void pointGToShpPoint(string savePath, Point[] allFeat)
 {
     OSGeo.OGR.Ogr.RegisterAll();
     OSGeo.OGR.Driver     dr        = OSGeo.OGR.Ogr.GetDriverByName("ESRI shapefile");
     OSGeo.OGR.DataSource ds        = dr.CreateDataSource(savePath, null);
     OSGeo.OGR.Layer      fileLayer = ds.CreateLayer("", null, OSGeo.OGR.wkbGeometryType.wkbPoint, null);
     for (int i = 0; i < allFeat.Length; i++)
     {
         OSGeo.OGR.FeatureDefn FeatDf   = new OSGeo.OGR.FeatureDefn("");
         OSGeo.OGR.Feature     fileFeat = new OSGeo.OGR.Feature(FeatDf);
         OSGeo.OGR.Geometry    fileGeom = new OSGeo.OGR.Geometry(OSGeo.OGR.wkbGeometryType.wkbPoint);
         fileGeom.AddPoint(allFeat[i].X, allFeat[i].Y, allFeat[i].Z);
         fileFeat.SetGeometry(fileGeom);
         fileLayer.CreateFeature(fileFeat);
     }
     fileLayer.Dispose();
     ds.Dispose();
 }
Пример #29
0
        /**************************************   清理等值线   *****************************************/
        /// <summary>
        /// 通过线长,值 清理等值线
        /// </summary>
        /// <param name="filePath"></param>
        public static string cleanDS(string dzx)
        {
            Console.WriteLine("开始清理等值线!");
            double aue, bzc; _标准差(dzx, out aue, out bzc);
            double minLength = 50;
            double maxLength = 2600;
            double minValue  = aue - bzc * 2;
            double maxValue  = aue + bzc * 2;

            //open dzx
            OSGeo.OGR.Ogr.RegisterAll();
            OSGeo.OGR.Driver     dr       = OSGeo.OGR.Ogr.GetDriverByName("ESRI shapefile");
            OSGeo.OGR.DataSource dzxDS    = dr.Open(dzx, 0);
            OSGeo.OGR.Layer      dzxLayer = dzxDS.GetLayerByIndex(0);
            //new a shp
            string cleanline = StaticTools.tempFilePath("shp", "清理后的等值线");

            OSGeo.OGR.DataSource newdzxDS    = dr.CreateDataSource(cleanline, null);
            OSGeo.OGR.Layer      newdzxLayer = newdzxDS.CreateLayer(dzxLayer.GetName(), dzxLayer.GetSpatialRef(), dzxLayer.GetGeomType(), null);

            for (int i = 0; i < dzxLayer.GetFeatureCount(0); i++)
            {
                OSGeo.OGR.Feature  fileFeat = dzxLayer.GetFeature(i);
                OSGeo.OGR.Geometry fileGeom = fileFeat.GetGeometryRef();

                double FeatLength = fileGeom.Length();
                bool   s1         = FeatLength > minLength && FeatLength < maxLength;

                double featValue = fileFeat.GetFieldAsDouble("EVE");
                bool   s2        = featValue > minValue && featValue < maxValue;

                bool isR = fileGeom.IsRing();
                if (s1 && s2 && isR)
                {
                    newdzxLayer.CreateFeature(fileFeat);
                }
                fileFeat.Dispose();
            }
            newdzxDS.Dispose();
            dzxDS.Dispose();
            Console.WriteLine("清理等值线完成!");
            return(cleanline);
        }
Пример #30
0
        /// <summary>
        /// 判断两个Featuer是否重复,两外接矩形相同位置的边差小于1时为true
        /// </summary>
        /// <param name="ori"></param>
        /// <param name="next"></param>
        /// <returns></returns>
        public static bool isSame(OSGeo.OGR.Feature ori, OSGeo.OGR.Feature next, double maxCha = 1)
        {
            OSGeo.OGR.Envelope oriEnve = new OSGeo.OGR.Envelope();
            ori.GetGeometryRef().GetEnvelope(oriEnve);
            OSGeo.OGR.Envelope nextEnve = new OSGeo.OGR.Envelope();
            next.GetGeometryRef().GetEnvelope(nextEnve);

            if (Math.Abs(oriEnve.MaxX - nextEnve.MaxX) < maxCha && //外接矩形差
                Math.Abs(oriEnve.MaxY - nextEnve.MaxY) < maxCha &&
                Math.Abs(oriEnve.MinX - nextEnve.MinX) < maxCha &&
                Math.Abs(oriEnve.MinY - nextEnve.MinY) < maxCha)
            {
                return(true);
            }
            else
            {
                return(false);
            }
        }
Пример #31
0
        public OGRCursor(OGRDataset parent, String whereClause, System.Array esriQueryFieldMap, IEnvelope env = null, int onlyOneID = -1)
        {
            m_isFinished = false;
            m_pDataset = parent;

            m_whereClause = whereClause;

            if (m_whereClause != null && m_whereClause.Length > 0)
                m_pDataset.OGRLayer.SetAttributeFilter(m_whereClause);
            else
                m_pDataset.OGRLayer.SetAttributeFilter(null);

            m_envelope = env;
            if (m_envelope != null)
            {
                m_envelope.Project(m_pDataset.SpatialReference);
                m_pDataset.OGRLayer.SetSpatialFilterRect(m_envelope.XMin, m_envelope.YMin, m_envelope.XMax, m_envelope.YMax);
            }
            else
            {
                m_pDataset.OGRLayer.SetSpatialFilter(null);
            }

            m_esriQueryFieldMap = esriQueryFieldMap;

            m_pDataset.OGRLayer.ResetReading();

            m_currentOGRFeature = null;

            m_onlyOneID = onlyOneID;

            if (m_onlyOneID == -1)
                NextRecord();
            else
            {
                RetrieveOnlyOneRecord();
            }
        }
Пример #32
0
 public void RetrieveOnlyOneRecord()
 {
     m_currentOGRFeature = m_pDataset.OGRLayer.GetFeature(m_onlyOneID);
     m_isFinished = true;
 }
Пример #33
0
        public void NextRecord()
        {
            if (m_isFinished)	//error already thrown once
                return;

            m_currentOGRFeature = m_pDataset.OGRLayer.GetNextFeature();

            if (m_currentOGRFeature == null)
            {
                m_isFinished = true;

                throw new COMException("End of OGR Plugin cursor", S_FALSE);
            }

            return;
        }
Пример #34
0
        /// <summary>
        /// Creates an OGR data source from a FeatureDataTable
        /// </summary>
        /// <param name="table">The name of the table</param>
        /// <param name="geometryType">The geometry type</param>
        /// <param name="driver">The driver</param>
        /// <param name="connection">The connection string</param>
        /// <param name="driverOptions">The options for the driver</param>
        /// <param name="layerOptions">The options for the layer</param>
        public static void CreateFromFeatureDataTable(FeatureDataTable table, 
            OgcGeometryType geometryType, int srid, string driver, string connection, string[] driverOptions = null, string[] layerOptions = null)
        {
            if (table == null)
                throw new ArgumentNullException("table");

            if (table.Rows.Count == 0)
                throw new ArgumentException("The table contains no rows", "table");

            if (geometryType < OgcGeometryType.Point || geometryType > OgcGeometryType.MultiPolygon)
                throw new ArgumentException("Invalid geometry type", "geometryType");

            if (string.IsNullOrWhiteSpace(driver))
                throw new ArgumentException("No driver specified", "driver");

            var dr = OSGeo.OGR.Ogr.GetDriverByName(driver);
            if (dr == null)
                throw new Exception(string.Format("Cannot load driver '{0}'!", driver));

            //if (!dr.TestCapability("ODrCCreateDataSource"))
            //    throw new Exception(string.Format("Driver '{0}' cannot create a data source!", driver));

            // Create the data source
            var ds = dr.CreateDataSource(connection, driverOptions);
            //if (!ds.TestCapability("ODsCCreateLayer"))
            //    throw new Exception(string.Format("Driver '{0}' cannot create a layer!", driver));

            // Create the spatial reference
            var sr = new OSGeo.OSR.SpatialReference(string.Empty);
            sr.ImportFromEPSG(srid);

            // Create the layer
            var lyr = ds.CreateLayer(table.TableName, sr, (OgrGeometryType)geometryType, layerOptions);
            sr.Dispose();

            //lyr.GetSpatialRef();
            foreach (System.Data.DataColumn dc in table.Columns)
            {
                using (var fldDef = GetFieldDefinition(dc))
                    lyr.CreateField(fldDef, 0);
            }

            using (var ld = lyr.GetLayerDefn())
            {
                foreach (FeatureDataRow fdr in table.Rows)
                {
                    if ((int)fdr.Geometry.OgcGeometryType != (int)geometryType)
                        continue;

                    using (var feature = new OgrFeature(ld))
                    {
                        feature.SetGeometry(OgrGeometry.CreateFromWkb(fdr.Geometry.AsBinary()));
                        var idx = -1;
                        foreach (System.Data.DataColumn dc in table.Columns)
                        {
                            idx++;
                            var fd = ld.GetFieldDefn(idx);
                            DateTime dt;
                            switch (fd.GetFieldType())
                            {
                                case OgrFieldType.OFTBinary:
                                    //Nothing
                                    break;
                                case OgrFieldType.OFTDate:
                                    dt = ((DateTime)fdr[dc]).Date;
                                    feature.SetField(idx, dt.Year, dt.Month, dt.Day, dt.Hour, dt.Minute, dt.Second, 0);
                                    break;
                                case OgrFieldType.OFTDateTime:
                                    dt = (DateTime)fdr[dc];
                                    feature.SetField(idx, dt.Year, dt.Month, dt.Day, dt.Hour, dt.Minute, dt.Second, 0);
                                    break;
                                case OgrFieldType.OFTTime:
                                    var tod = ((DateTime)fdr[dc]).TimeOfDay;
                                    feature.SetField(idx, 0, 0, 0, tod.Hours, tod.Minutes, tod.Seconds, 0);
                                    break;
                                case OgrFieldType.OFTInteger:
                                    feature.SetField(idx, Convert.ToInt32(fdr[dc]));
                                    break;
                                case OgrFieldType.OFTIntegerList:
                                    var il = GetIntegerList(fdr[dc], dc.DataType);
                                    feature.SetFieldIntegerList(idx, il.Length, il);
                                    break;
                                case OgrFieldType.OFTReal:
                                    feature.SetField(idx, Convert.ToDouble(fdr[dc]));
                                    break;
                                case OgrFieldType.OFTRealList:
                                    var dl = GetDoubleList(fdr[dc], dc.DataType);
                                    feature.SetFieldDoubleList(idx, dl.Length, dl);
                                    break;
                                case OgrFieldType.OFTString:
                                    feature.SetField(idx, Convert.ToString(fdr[dc]));
                                    break;
                                case OgrFieldType.OFTStringList:
                                    var sl = (string[])fdr[dc];
                                    feature.SetFieldStringList(idx, sl);
                                    break;

                            }
                            fd.Dispose();
                        }
                        lyr.CreateFeature(feature);
                        feature.Dispose();
                    }
                    //ld.Dispose();
                }
            }

            lyr.Dispose();
            ds.Dispose();
            dr.Dispose();
        }