Esempio n. 1
0
        public static GeoAPI.Geometries.ILinearRing ConvertTo(ESRI.ArcGIS.Geometry.IRing ring)
        {
            ESRI.ArcGIS.Geometry.IPoint          fromToPoint = ring.FromPoint;
            List <GeoAPI.Geometries.ICoordinate> list        = new List <GeoAPI.Geometries.ICoordinate>();

            list.Add(ConvertTo(fromToPoint));
            ISegmentCollection segmentCollection = ring as ISegmentCollection;

            if (segmentCollection != null)
            {
                int count = segmentCollection.SegmentCount;
                for (int i = 0; i < count; i++)
                {
                    ISegment segment = segmentCollection.get_Segment(i);
                    if (!(segment is ILine))
                    {
                        throw new ApplicationException("Curves are not supported.");
                    }
                    list.Add(ConvertTo(segment.ToPoint));
                }
            }
            else
            {
                throw new ApplicationException("No segments found in the ring geometry.");
            }

            list.Add(ConvertTo(fromToPoint));
            list.Reverse();
            return(new GisSharpBlog.NetTopologySuite.Geometries.LinearRing(list.ToArray()));
        }
Esempio n. 2
0
        //获得一个环的形状
        private static ESRI.ArcGIS.Geometry.Polygon MakePolygonFromRing(ESRI.ArcGIS.Geometry.IRing pRing)
        {
            ESRI.ArcGIS.Geometry.Polygon pResPolygon = null;

            ESRI.ArcGIS.Geometry.IPolygon pPolygon = null;
            try
            {
                pPolygon = new ESRI.ArcGIS.Geometry.PolygonClass();
                ESRI.ArcGIS.Geometry.IGeometryCollection pGeometryCollection;
                pGeometryCollection = pPolygon as ESRI.ArcGIS.Geometry.IGeometryCollection;
                object missing = Type.Missing;
                pGeometryCollection.AddGeometry(pRing, ref missing, ref missing);
                pResPolygon = pPolygon as ESRI.ArcGIS.Geometry.Polygon;
                return(pResPolygon);
            }
            catch (Exception err)
            {
                pResPolygon = null;
                pPolygon    = null;
            }
            return(null);
        }