Example #1
0
        private static void LogWorkspaceProperties(
            [NotNull] IWorkspaceProperties props,
            params esriWorkspacePropertyType[] propertyTypes)
        {
            var watch = new Stopwatch();

            foreach (esriWorkspacePropertyType propertyType in propertyTypes)
            {
                watch.Reset();
                watch.Start();

                IWorkspaceProperty property =
                    props.Property[
                        esriWorkspacePropertyGroupType.esriWorkspacePropertyGroup,
                        (int)propertyType];

                watch.Stop();

                if (property.IsSupported)
                {
                    Console.WriteLine(@"{0}: {1} ({2:N6} ms)",
                                      propertyType,
                                      property.PropertyValue,
                                      watch.ElapsedTicks / (double)TimeSpan.TicksPerMillisecond);
                }
                else
                {
                    Console.WriteLine(@"{0}: {1} [not supported] ({2:N6} ms)",
                                      propertyType,
                                      property.PropertyValue,
                                      watch.ElapsedTicks / (double)TimeSpan.TicksPerMillisecond);
                }
            }
        }
Example #2
0
        /// <summary>
        // 创建要素数据集
        /// </summary>
        /// <param name="workspace"></param>
        /// <param name="code"></param>
        /// <param name="datasetName"></param>
        /// <returns></returns>
        public IFeatureDataset CreateFeatureClass(IWorkspace workspace, int code, string datasetName)
        {
            IFeatureWorkspace featureWorkspace = (IFeatureWorkspace)workspace;
            //创建一个要素集创建一个投影
            ISpatialReferenceFactory spatialRefFactory = new SpatialReferenceEnvironmentClass();
            ISpatialReference        spatialReference  = spatialRefFactory.CreateProjectedCoordinateSystem(code);
            //确定是否支持高精度存储空间
            Boolean supportsHighPrecision            = false;
            IWorkspaceProperties workspaceProperties = (IWorkspaceProperties)workspace;
            IWorkspaceProperty   workspaceProperty   = workspaceProperties.get_Property
                                                           (esriWorkspacePropertyGroupType.esriWorkspacePropertyGroup,
                                                           (int)esriWorkspacePropertyType.esriWorkspacePropSupportsHighPrecisionStorage);

            if (workspaceProperty.IsSupported)
            {
                supportsHighPrecision = Convert.ToBoolean(workspaceProperty.PropertyValue);
            }
            //设置投影精度
            IControlPrecision2 controlPrecision = (IControlPrecision2)spatialReference;

            controlPrecision.IsHighPrecision = supportsHighPrecision;
            //设置容差
            ISpatialReferenceResolution spatialRefResolution = (ISpatialReferenceResolution)spatialReference;

            spatialRefResolution.ConstructFromHorizon();
            spatialRefResolution.SetDefaultXYResolution();
            ISpatialReferenceTolerance spatialRefTolerance = (ISpatialReferenceTolerance)spatialReference;

            spatialRefTolerance.SetDefaultXYTolerance();
            //创建要素集
            IFeatureDataset featureDataset = featureWorkspace.CreateFeatureDataset(datasetName, spatialReference);

            return(featureDataset);
        }
Example #3
0
        public static bool IsConnectedToGeodatabase(IWorkspace iworkspace_0)
        {
            IWorkspaceProperties properties = (IWorkspaceProperties)iworkspace_0;

            return
                (Convert.ToBoolean(
                     properties.get_Property(esriWorkspacePropertyGroupType.esriWorkspacePropertyGroup, 7).PropertyValue));
        }