C# OSGeo类代码示例

 public SectionInfoCtrl(IDrawingService drawSvc, string drawingSourceId, OSGeo.MapGuide.ObjectModels.Common.DrawingSectionListSection section)
     : this()
 {
     _drawSvc = drawSvc;
     _drawingSourceId = drawingSourceId;
     _section = section;
 }

        private static int DoMigrate(OSGeo.MapGuide.MaestroAPI.IServerConnection source, OSGeo.MapGuide.MaestroAPI.IServerConnection target, CopyMoveToServerDialog migrate)
        {
            var diag = new ProgressDialog();
            diag.CancelAbortsThread = true;
            var method = new ProgressDialog.DoBackgroundWork((worker, e, args) =>
            {
                var src = (IServerConnection)args[0];
                var dst = (IServerConnection)args[1];
                var ids = (string[])args[2];
                var folder = (string)args[3];
                var overwrite = (bool)args[4];
                var act = (MigrationAction)args[5];

                var cb = new LengthyOperationProgressCallBack((sender, cbe) =>
                {
                    worker.ReportProgress(cbe.Progress, cbe.StatusMessage);
                });

                var migrator = new ResourceMigrator(source, target);
                int affected = 0;
                switch (act)
                {
                    case MigrationAction.Copy:
                        affected = migrator.CopyResources(ids, folder, overwrite, cb);
                        break;
                    case MigrationAction.Move:
                        affected = migrator.MoveResources(ids, folder, overwrite, cb);
                        break;
                }
                return affected;
            });

            return (int)diag.RunOperationAsync(Workbench.Instance, method, source, target, migrate.SourceResourceIds, migrate.TargetFolder, migrate.OverwriteResources, migrate.SelectedAction);
        }

 public bool IsPreviewable(OSGeo.MapGuide.MaestroAPI.Resource.IResource res)
 {
     var rt = res.ResourceType;
     return (rt == ResourceTypes.LayerDefinition ||
             rt == ResourceTypes.MapDefinition ||
             rt == ResourceTypes.WatermarkDefinition);
 }

        public static ESRI.ArcGIS.Geometry.IEnvelope get_extent(OSGeo.OGR.Envelope ogr_envelope, ISpatialReference sr)
        {
            IEnvelope env = new EnvelopeClass();
            env.PutCoords(ogr_envelope.MinX, ogr_envelope.MinY, ogr_envelope.MaxX, ogr_envelope.MaxY);
            env.SpatialReference = sr;

            return env;
        }

        public OGRDataset(OSGeo.OGR.Layer layer)
        {
            m_layer = layer;

            ogr_utils.map_fields(layer, out m_fieldMapping, out m_fields, out m_datasetType,
                                out m_geometryType, out m_geometryFieldIndex, out m_oidFieldIndex,
                                out m_spatialReference);
        }

 private bool IsValid(OSGeo.MapGuide.MaestroAPI.IServerConnection conn)
 {
     return conn.Capabilities.SupportsResourceHeaders &&
            conn.Capabilities.SupportsResourceReferences &&
            conn.Capabilities.SupportsResourceSecurity &&
            conn.Capabilities.SupportsWfsPublishing &&
            conn.Capabilities.SupportsWmsPublishing;
 }

 public static void ReadShortBlock(OSGeo.GDAL.Band  rasterBand,
                                   BandBlock<short> block)
 {
     rasterBand.ReadRaster(block.XOffset, block.YOffset,
                           block.UsedPortionXSize, block.UsedPortionYSize,
                           block.Buffer,
                           block.UsedPortionXSize, block.UsedPortionYSize,
                           block.PixelSpace, block.LineSpace);
 }

        /// <summary>
        /// Constructor
        /// </summary>
        /// <param name="gdalDataset">The gdal dataset</param>
        public GeoTransform(OSGeo.GDAL.Dataset gdalDataset)
        {
            if (gdalDataset == null)
                throw new ArgumentException("GeoTransform constructor invoked with null dataset.", "gdalDataset");

            var array = new double[6];
            gdalDataset.GetGeoTransform(array);
            _transform = array;
            ComputeInverse();
        }

        public static ESRI.ArcGIS.Geometry.ISpatialReference get_spatialReference(OSGeo.OSR.SpatialReference ogrSR)
        {
            ogrSR.MorphToESRI();

            string wkt;
            ogrSR.ExportToWkt(out wkt);

            ISpatialReferenceFactory4 spatialReferenceFactory = new ESRI.ArcGIS.Geometry.SpatialReferenceEnvironmentClass();
            ISpatialReference sr;

            int bytesRead;
            spatialReferenceFactory.CreateESRISpatialReference(wkt, out sr, out bytesRead);

            return sr;
        }

        public static ISpatialReference GetSpatialReference(OSGeo.OSR.SpatialReference ogrSr)
        {
            ogrSr.MorphToESRI();

            string wkt;
            ogrSr.ExportToWkt(out wkt);

            var type = Type.GetTypeFromCLSID(typeof (SpatialReferenceEnvironmentClass).GUID);
            ISpatialReferenceFactory4 spatialReferenceFactory = (ISpatialReferenceFactory4) Activator.CreateInstance(type);
            ISpatialReference sr;

            int bytesRead;
            spatialReferenceFactory.CreateESRISpatialReference(wkt, out sr, out bytesRead);

            return sr;
        }

 /// <summary>
 /// Converts an FDO Geometry to a SharpMap geometry
 /// </summary>
 /// <param name="geom">The FDO geometry</param>
 /// <returns></returns>
 public static Sm.Geometry FromFdoGeometry(FdoGeometry geom, OSGeo.FDO.Geometry.FgfGeometryFactory geomFactory)
 {
     if (FdoGeometryUtil.Is2D(geom.InternalInstance))
     {
         //Get the WKB form of the geometry
         byte[] wkb = FdoGeometryFactory.Instance.GetWkb(geom.InternalInstance);
         return GeometryFromWKB.Parse(wkb);
     }
     else
     {
         using (OSGeo.FDO.Geometry.IGeometry flattened = FdoGeometryUtil.Flatten(geom.InternalInstance, geomFactory))
         {
             //Get the WKB form of the geometry
             byte[] wkb = FdoGeometryFactory.Instance.GetWkb(flattened);
             return GeometryFromWKB.Parse(wkb);
         }
     }
 }

 public override OSGeo.MapGuide.MaestroAPI.Resource.IResource CreateItem(string startPoint, OSGeo.MapGuide.MaestroAPI.IServerConnection conn)
 {
     using (var picker = new ResourcePicker(conn.ResourceService, ResourceTypes.FeatureSource, ResourcePickerMode.OpenResource))
     {
         picker.SetStartingPoint(startPoint);
         if (picker.ShowDialog() == System.Windows.Forms.DialogResult.OK)
         {
             var lyr = ObjectFactory.CreateDefaultLayer(conn, OSGeo.MapGuide.ObjectModels.LayerDefinition.LayerType.Vector, new Version(1, 1, 0));
             var vl = (IVectorLayerDefinition)lyr.SubLayer;
             vl.ResourceId = picker.ResourceID;
             //Stub these for now, validation will ensure this never makes it
             //into the session repository until all validation errors pass
             vl.FeatureName = string.Empty;
             vl.Geometry = string.Empty;
             return lyr;
         }
         else
         {
             return null;
         }
     }
 }

        private static TreeNode CreateOdbcMappingNode(OSGeo.FDO.Providers.Rdbms.Override.ODBC.OvPhysicalSchemaMapping mapping)
        {
            var schema = new OdbcPhysicalSchemaMappingItem(mapping);
            var node = new TreeNode(schema.Name);
            node.Text = schema.Name;
            node.Tag = schema;

            foreach (OdbcClassDefinitionItem cls in schema.Classes)
            {
                var clsNode = new TreeNode(cls.Name);
                clsNode.Text = cls.Name;
                clsNode.Tag = cls;

                foreach (object prop in cls.Properties)
                {
                    if (prop.GetType() == typeof(OdbcDataPropertyDefinitionItem))
                    {
                        OdbcDataPropertyDefinitionItem p = (OdbcDataPropertyDefinitionItem)prop;
                        var propNode = new TreeNode(p.Name);
                        propNode.Text = p.Name;
                        propNode.Tag = p;
                        clsNode.Nodes.Add(propNode);
                    }
                    else if (prop.GetType() == typeof(OdbcGeometricPropertyDefinitionItem))
                    {
                        OdbcGeometricPropertyDefinitionItem p = (OdbcGeometricPropertyDefinitionItem)prop;
                        var propNode = new TreeNode(p.Name);
                        propNode.Text = p.Name;
                        propNode.Tag = p;
                        clsNode.Nodes.Add(propNode);
                    }
                }

                node.Nodes.Add(clsNode);
            }

            return node;
        }

        void OnRequestDispatched(object sender, OSGeo.MapGuide.MaestroAPI.RequestEventArgs e)
        {
            string msg = string.Format("[{0}]: {1}", DateTime.Now.ToString("dd MMM yyyy hh:mm:ss"), e.Data); //NOXLATE

            if (!txtMessages.IsDisposed)
            {
                if (txtMessages.InvokeRequired)
                {
                    txtMessages.Invoke(new MethodInvoker(() =>
                    {
                        txtMessages.AppendText(msg + Environment.NewLine);
                        txtMessages.ScrollToCaret();
                    }));
                }
                else
                {
                    txtMessages.AppendText(msg + Environment.NewLine);
                    txtMessages.ScrollToCaret();
                }
            }
        }

 public int TransformTo(OSGeo.OSR.SpatialReference reference)
 {
     int ret = OgrPINVOKE.Geometry_TransformTo(swigCPtr, OSGeo.OSR.SpatialReference.getCPtr(reference));
     if (OgrPINVOKE.SWIGPendingException.Pending) throw OgrPINVOKE.SWIGPendingException.Retrieve();
     return ret;
 }