Exemplo n.º 1
0
        public static async Task <string[]> QueryAoiEnvelopeAsync(Uri clipFileGdbUri, string clipName)
        {
            string[] arrRetValues = new string[2];
            Geometry aoiGeo       = null;
            int      intCount     = 0;
            await QueuedTask.Run(() =>
            {
                using (Geodatabase geodatabase = new Geodatabase(new FileGeodatabaseConnectionPath(clipFileGdbUri)))
                    using (Table table = geodatabase.OpenDataset <Table>(clipName))
                    {
                        //check for multiple buffer polygons and buffer AOI if we need to
                        QueryFilter queryFilter = new QueryFilter();
                        using (RowCursor cursor = table.Search(queryFilter, false))
                        {
                            while (cursor.MoveNext())
                            {
                                using (Feature feature = (Feature)cursor.Current)
                                {
                                    aoiGeo = feature.GetShape();
                                }
                                intCount++;
                            }
                        }
                    }
            });

            if (intCount > 1)
            {
                string        tmpClipBuffer = "tmpClipBuffer";
                BA_ReturnCode success       = await GeoprocessingTools.BufferAsync(clipFileGdbUri.LocalPath + "\\" + clipName, clipFileGdbUri.LocalPath + "\\" + tmpClipBuffer,
                                                                                   "0.5 Meters", "ALL");

                if (success == BA_ReturnCode.Success)
                {
                    await QueuedTask.Run(() =>
                    {
                        using (Geodatabase geodatabase = new Geodatabase(new FileGeodatabaseConnectionPath(clipFileGdbUri)))
                            using (Table table = geodatabase.OpenDataset <Table>(tmpClipBuffer))
                            {
                                //check for multiple buffer polygons and buffer AOI if we need to
                                QueryFilter queryFilter = new QueryFilter();
                                using (RowCursor cursor = table.Search(queryFilter, false))
                                {
                                    while (cursor.MoveNext())
                                    {
                                        using (Feature feature = (Feature)cursor.Current)
                                        {
                                            aoiGeo   = feature.GetShape(); // Replace unbuffered geometry with buffered
                                            clipName = tmpClipBuffer;
                                        }
                                    }
                                }
                            }
                    });
                }
            }
            arrRetValues[0] = aoiGeo.Extent.XMin + " " + aoiGeo.Extent.YMin + " " + aoiGeo.Extent.XMax + " " + aoiGeo.Extent.YMax;
            arrRetValues[1] = clipFileGdbUri.LocalPath + "\\" + clipName;
            return(arrRetValues);
        }
Exemplo n.º 2
0
        public static async Task <BA_ReturnCode> UpdateReclassFeatureAttributesAsync(Uri uriFeatureClass, string strFeatureClassName,
                                                                                     IList <BA_Objects.Interval> lstIntervals)
        {
            BA_ReturnCode success = BA_ReturnCode.UnknownError;

            // Add fields to be updated to feature class, if missing
            string[] arrReclassFields     = { Constants.FIELD_NAME, Constants.FIELD_LBOUND, Constants.FIELD_UBOUND };
            string[] arrReclassFieldTypes = { "TEXT", "DOUBLE", "DOUBLE" };
            string   strFeatureClassPath  = uriFeatureClass.LocalPath + "\\" + strFeatureClassName;

            for (int i = 0; i < arrReclassFields.Length; i++)
            {
                if (await AttributeExistsAsync(uriFeatureClass, strFeatureClassName, arrReclassFields[i]) == false)
                {
                    success = await GeoprocessingTools.AddFieldAsync(strFeatureClassPath, arrReclassFields[i], arrReclassFieldTypes[i]);
                }
            }
            if (success != BA_ReturnCode.Success)
            {
                Module1.Current.ModuleLogManager.LogError(nameof(UpdateReclassFeatureAttributesAsync),
                                                          "Unable to add fields to " + strFeatureClassPath);
                ArcGIS.Desktop.Framework.Dialogs.MessageBox.Show("Unable to add fields to " + strFeatureClassPath + "!!", "BAGIS-PRO");
                return(success);
            }

            // Populate the fields
            bool   modificationResult = false;
            string errorMsg           = "";
            await QueuedTask.Run(() =>
            {
                using (Geodatabase geodatabase = new Geodatabase(new FileGeodatabaseConnectionPath(uriFeatureClass)))
                {
                    if (!String.IsNullOrEmpty(strFeatureClassPath))
                    {
                        QueryFilter queryFilter = new QueryFilter();
                        using (Table table = geodatabase.OpenDataset <Table>(strFeatureClassName))
                        {
                            foreach (var oInterval in lstIntervals)
                            {
                                queryFilter.WhereClause     = Constants.FIELD_GRID_CODE + " = " + oInterval.Value;
                                EditOperation editOperation = new EditOperation();
                                editOperation.Callback(context =>
                                {
                                    using (RowCursor aCursor = table.Search(queryFilter, false))
                                    {
                                        while (aCursor.MoveNext())
                                        {
                                            using (Feature feature = (Feature)aCursor.Current)
                                            {
                                                // name
                                                int idxTarget = feature.FindField(arrReclassFields[0]);
                                                if (idxTarget > -1)
                                                {
                                                    feature[idxTarget] = oInterval.Name;
                                                }
                                                // lower bound
                                                idxTarget = feature.FindField(arrReclassFields[1]);
                                                if (idxTarget > -1)
                                                {
                                                    feature[idxTarget] = oInterval.LowerBound;
                                                }
                                                // upper bound
                                                idxTarget = feature.FindField(arrReclassFields[2]);
                                                if (idxTarget > -1)
                                                {
                                                    feature[idxTarget] = oInterval.UpperBound;
                                                }
                                                feature.Store();
                                                // Has to be called after the store too
                                                context.Invalidate(feature);
                                            }
                                        }
                                    }
                                }, table);
                                try
                                {
                                    modificationResult = editOperation.Execute();
                                    if (!modificationResult)
                                    {
                                        errorMsg = editOperation.ErrorMessage;
                                    }
                                    // increment feature counter
                                }
                                catch (GeodatabaseException exObj)
                                {
                                    errorMsg = exObj.Message;
                                }
                            }
                        }
                    }
                }
            });

            if (String.IsNullOrEmpty(errorMsg))
            {
                await Project.Current.SaveEditsAsync();
            }
            else
            {
                if (Project.Current.HasEdits)
                {
                    await Project.Current.DiscardEditsAsync();
                }
                Module1.Current.ModuleLogManager.LogError(nameof(UpdateReclassFeatureAttributesAsync),
                                                          "Exception: " + errorMsg);
                return(BA_ReturnCode.UnknownError);
            }
            return(success);
        }