[GDAL]写入shp

 C#通过Wkt码构建shp，记录写不进去！

 static void WriteVectorFile()
        {
            string strVectorFile = "E:\";
            // 注册所有的驱动
            Ogr.RegisterAll();
            //创建数据，这里以创建ESRI的shp文件为例
            string strDriverName = "ESRI Shapefile";
            Driver oDriver = Ogr.GetDriverByName(strDriverName);
            if (oDriver == null)
            {
                Console.WriteLine("%s 驱动不可用！
", strVectorFile);
                return;
            }
            // 创建数据源
            DataSource oDS = oDriver.CreateDataSource(strVectorFile, null);
            if (oDS == null)
            {
                Console.WriteLine("创建矢量文件【%s】失败！
", strVectorFile);
                return;
            }

            // 创建图层，创建一个多边形图层，这里没有指定空间参考，如果需要的话，需要在这里进行指定
            Layer oLayer = oDS.CreateLayer("TestPolygon", null, wkbGeometryType.wkbPolygon, null);
            if (oLayer == null)
            {
                Console.WriteLine("图层创建失败！
");
                return;
            }

            // 下面创建属性表
            // 先创建一个叫FieldID的整型属性
            FieldDefn oFieldID = new FieldDefn("FieldID", FieldType.OFTInteger);
            oLayer.CreateField(oFieldID, 1);

            // 再创建一个叫FeatureName的字符型属性，字符长度为50
            FieldDefn oFieldName = new FieldDefn("FieldName", FieldType.OFTString);
            oFieldName.SetWidth(100);
            oLayer.CreateField(oFieldName, 1);
            FeatureDefn oDefn = oLayer.GetLayerDefn();

            // 创建三角形要素
            Feature oFeatureTriangle = new Feature(oDefn);
            oFeatureTriangle.SetField(0, 0);
            oFeatureTriangle.SetField(1, "三角形");
            Geometry geomTriangle = Geometry.CreateFromWkt("POLYGON ((0 0,20 0,10 15,0 0))");
            oFeatureTriangle.SetGeometry(geomTriangle);
            oLayer.CreateFeature(oFeatureTriangle);

            // 创建矩形要素
            Feature oFeatureRectangle = new Feature(oDefn);
            oFeatureRectangle.SetField(0, 1);
            oFeatureRectangle.SetField(1, "矩形");
            Geometry geomRectangle = Geometry.CreateFromWkt("POLYGON ((30 0,60 0,60 30,30 30,30 0))");
            oFeatureRectangle.SetGeometry(geomRectangle);
            oLayer.CreateFeature(oFeatureRectangle);

            // 创建五角形要素
            Feature oFeaturePentagon = new Feature(oDefn);
            oFeaturePentagon.SetField(0, 2);
            oFeaturePentagon.SetField(1, "五角形");
            Geometry geomPentagon = Geometry.CreateFromWkt("POLYGON ((70 0,85 0,90 15,80 30,65 15,70 0))");
            oFeaturePentagon.SetGeometry(geomPentagon);
            oLayer.CreateFeature(oFeaturePentagon);
            Console.WriteLine("
数据集创建完成！
");
        }

通过对象构建