Hi , I am trying to load a S57 dataset to my map control using GDAL. I have diff types of layers i.e Polygon, Point, Line and multipoint
Here I want to show polygon in the base and points and lines on top of it my code is as follows if (layerType == "POLYGON") { FeatureSet fs = new FeatureSet(dt, 1, true, DotSpatial.Topology.FeatureType.Polygon); fs.DataTable = dt.Clone(); var c = new DotSpatial.Topology.Coordinate[arrCoordinatesX.Count - 1]; for (int k = 0; k < arrCoordinatesX.Count - 1; k++) { c[k] = new DotSpatial.Topology.Coordinate(Convert.ToDouble(arrCoordinatesX[k]), Convert.ToDouble(arrCoordinatesY[k])); } DotSpatial.Topology.Polygon LS = new DotSpatial.Topology.Polygon(c); DotSpatial.Data.IFeature currentFeature = fs.AddFeature(LS); uxMap.Layers.Add(fs); } else if (layerType == "LINESTRING") { FeatureSet fs = new FeatureSet(dt, 1, true, DotSpatial.Topology.FeatureType.Line); fs.DataTable = dt.Clone(); List<DotSpatial.Topology.Coordinate> coordinates = new List<DotSpatial.Topology.Coordinate>(); for (int k = 0; k <= arrCoordinatesX.Count - 1; k++) { coordinates.Add(new DotSpatial.Topology.Coordinate(Convert.ToDouble(arrCoordinatesX[k]), Convert.ToDouble(arrCoordinatesY[k]))); } DotSpatial.Topology.LineString LS = new DotSpatial.Topology.LineString(coordinates); DotSpatial.Data.IFeature currentFeature = fs.AddFeature(LS); uxMap.Layers.Add(fs); foreach (DataRow row in dt.Rows) { } } else if (layerType == "POINT") { FeatureSet fs = new FeatureSet(dt, 1, true, DotSpatial.Topology.FeatureType.Point); fs.DataTable = dt.Clone(); foreach (DataRow row in dt.Rows) { for (int k = 0; k <= arrCoordinatesX.Count - 1; k++) { DotSpatial.Topology.Coordinate c = new DotSpatial.Topology.Coordinate(Convert.ToDouble(arrCoordinatesX[k]), Convert.ToDouble(arrCoordinatesY[k])); DotSpatial.Topology.Point p = new DotSpatial.Topology.Point(c); DotSpatial.Data.IFeature currentFeature = fs.AddFeature(p); //PointCheck(ds); } uxMap.Layers.Add(fs); //uxMap.Layers.OrderByDescending(fs, 1); } } else if (layerType == "MULTIPOINT") { FeatureSet fs = new FeatureSet(dt, 1, true, DotSpatial.Topology.FeatureType.Point); fs.DataTable = dt.Clone(); foreach (DataRow row in dt.Rows) { DotSpatial.Topology.Point p = new DotSpatial.Topology.Point(); for (int k = 0; k <= arrCoordinatesX.Count - 1; k++) { DotSpatial.Topology.Coordinate c = new DotSpatial.Topology.Coordinate(Convert.ToDouble(arrCoordinatesX[k]), Convert.ToDouble(arrCoordinatesY[k])); p = new DotSpatial.Topology.Point(c); DotSpatial.Data.IFeature currentFeature = fs.AddFeature(p); } DotSpatial.Topology.MultiPoint mp = new DotSpatial.Topology.MultiPoint(p); uxMap.Layers.Add(fs); } } } dt.Rows.Clear(); } } So how to control this layer order so that i can see all the layers in a single map window Thanks and Regards Nikhil Sai Parupalli Note: Do not print this email until and unless it is really required. Save paper , stay Green
_______________________________________________ gdal-dev mailing list gdal-dev@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/gdal-dev