當前位置: 首頁>>代碼示例>>C#>>正文


C# VectorLayer.ExecuteIntersectionQuery方法代碼示例

本文整理匯總了C#中SharpMap.Layers.VectorLayer.ExecuteIntersectionQuery方法的典型用法代碼示例。如果您正苦於以下問題:C# VectorLayer.ExecuteIntersectionQuery方法的具體用法?C# VectorLayer.ExecuteIntersectionQuery怎麽用?C# VectorLayer.ExecuteIntersectionQuery使用的例子?那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在SharpMap.Layers.VectorLayer的用法示例。


在下文中一共展示了VectorLayer.ExecuteIntersectionQuery方法的1個代碼示例,這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚,您的評價將有助於係統推薦出更棒的C#代碼示例。

示例1: TestMap

        public void TestMap()
        {
            var m = new Map(new Size(1024, 786)) {BackColor = Color.FloralWhite};
            const string samplePath = @"D:\GIS\FileGDB\samples\data\Topo.gdb";

            var p = new FileGdbProvider(samplePath);

            foreach (var fc in p.GetFeatureClasses("\\USA"))
            {
                if (fc.StartsWith("\\USA\\T"))
                    continue;

                Console.WriteLine(fc);
                var pUse = new FileGdbProvider(samplePath) { Table = fc };
                var vl = new VectorLayer("Layer:" + fc, pUse)
                             {
                                 SmoothingMode = SmoothingMode.HighQuality,
                                 Style = {Fill = RandomBrush(), Line = RandomPen()}
                             };
                m.Layers.Add(vl);

                var fds = new FeatureDataSet();
                vl.ExecuteIntersectionQuery(vl.Envelope, fds);
                fds.Tables[0].TableName = fc;
                var res = fds.Tables[0].Rows[0].ItemArray;
                foreach (DataColumn col in fds.Tables[0].Columns)
                    Console.Write(string.Format("{0} [{1}], ", col.ColumnName, col.DataType));
                Console.WriteLine();

                foreach (var item in res)
                    Console.Write(string.Format(CultureInfo.InvariantCulture, "{0}, ", item));
                Console.WriteLine();

                Console.WriteLine(pUse.GetGeometryByID(1));

                var r = pUse.GetFeature(1);
                foreach (var item in r.ItemArray)
                    Console.Write(string.Format(CultureInfo.InvariantCulture, "{0}, ", item));

                Console.WriteLine();
                Console.WriteLine();
            }
            Console.WriteLine();

            p.Dispose();

            m.ZoomToExtents();
            var b = m.GetMap();
            b.Save("fgdb-usa-states.bmp");

            //var fds = new FeatureDataSet();
            //lc.ExecuteIntersectionQuery(m.GetExtents().GetCentroid(), fds);
            //fds.Tables[0].TableName = lc.LayerName;
            //fds.Tables[0].WriteXml(Console.Out);
        }
開發者ID:PedroMaitan,項目名稱:sharpmap,代碼行數:55,代碼來源:FileGdbProviderTest.cs


注:本文中的SharpMap.Layers.VectorLayer.ExecuteIntersectionQuery方法示例由純淨天空整理自Github/MSDocs等開源代碼及文檔管理平台,相關代碼片段篩選自各路編程大神貢獻的開源項目,源碼版權歸原作者所有,傳播和使用請參考對應項目的License;未經允許,請勿轉載。