Exemple #1
0
        /// <summary>
        ///     Increments the progress bar and updates the status bar with specified status message.
        /// </summary>
        /// <param name="statusMessage">The status message.</param>
        public virtual bool Step(string statusMessage)
        {
            _ProgressBar.Step();
            _ProgressBar.Show();
            _ProgressBar.Message = statusMessage;

            return(true);
        }
        public override void setStepProgressorProperties(int MaxRange, String Message, int MinRange = 0, int Position = 0, int StepValue = 1)
        {
            if (stepProgress != null)
            {
                stepProgress.Hide();
                Marshal.ReleaseComObject(stepProgress);
            }

            stepProgress = progressDialogFactory.Create(cancelTracker, 0);
            IProgressDialog2 progressDialog = (IProgressDialog2)stepProgress;
            progressDialog.Animation = esriProgressAnimationTypes.esriProgressSpiral;
            progressDialog.Title = "Inferring Curved Segments";

            stepProgress.Message = Message;
            if (MaxRange != MinRange)  //for some reason, if you set the values the same, the progressor doesn't go away
            {
                stepProgress.MinRange = MinRange;
                stepProgress.MaxRange = MaxRange;
                stepProgress.StepValue = StepValue;
            }
            stepProgress.Show();
        }
        public void Draw(IStepProgressor stepProgressor,
                         IActiveView activeView,
                         FileCache fileCache,
                         ITrackCancel trackCancel,
                         ISpatialReference layerSpatialReference,
                         ref string currentLevel, ITileSource tileSource, IDisplay display)
        {
            _tileSource            = tileSource;
            _trackCancel           = trackCancel;
            _layerSpatialReference = layerSpatialReference;
            _currentLevel          = currentLevel;
            _fileCache             = fileCache;
            _tileProvider          = (WebTileProvider)tileSource.Provider;
            var spatialReferences = new SpatialReferences();

            _dataSpatialReference = spatialReferences.GetSpatialReference(tileSource.Schema.Srs);

            //var fetcher = new FileFetcher<Image>(osmTileSource, fileCache);

            _display = display;

            if (!activeView.Extent.IsEmpty)
            {
                _tiles       = GetTiles(activeView);
                currentLevel = _currentLevel;
                Logger.Debug("Number of tiles to draw: " + _tiles.Count);

                if (_tiles.ToList().Count > 0)
                {
                    stepProgressor.MinRange = 0;
                    stepProgressor.MaxRange = _tiles.ToList().Count;
                    stepProgressor.Show();

                    var downloadFinished = new ManualResetEvent(false);

                    // this is a hack, otherwise we get error message...
                    // "WaitAll for multiple handles on a STA thread is not supported. (mscorlib)"
                    // so lets start a thread first...
                    var t = new Thread(DownloadTiles);
                    t.Start(downloadFinished);

                    // wait till finished
                    downloadFinished.WaitOne();

                    // 3. Now draw all tiles...

                    //if (layerSpatialReference != null && _dataSpatialReference != null)
                    //{
                    //    _needReproject = (layerSpatialReference.FactoryCode != _dataSpatialReference.FactoryCode);
                    //}
                    //Logger.Debug("Need reproject tile: " + _needReproject.ToString());

                    //foreach (var tile in _tiles)
                    //{
                    //    stepProgressor.Step();

                    //    /*                        if (IsBeAdded(tile))
                    //                                continue;
                    //                            _showTiles.Add(tile);*/

                    //    /*                        if (tile != null)
                    //                            {
                    //                                var name = _fileCache.GetFileName(tile.Index);

                    //                                if (!File.Exists(name)) continue;
                    //                                DrawRaster(name);
                    //                            }*/
                    //}

                    //stepProgressor.Hide();
                }
                else
                {
                    Logger.Debug("No tiles to retrieve or draw");
                }

                Logger.Debug("End drawing tiles: " + _tiles.ToList().Count);
            }
        }
Exemple #4
0
        public void Execute(ESRI.ArcGIS.esriSystem.IArray paramvalues, ESRI.ArcGIS.esriSystem.ITrackCancel TrackCancel, ESRI.ArcGIS.Geoprocessing.IGPEnvironmentManager envMgr, ESRI.ArcGIS.Geodatabase.IGPMessages message)
        {
            try
            {
                IGPUtilities3 execute_Utilities = new GPUtilitiesClass();

                if (TrackCancel == null)
                {
                    TrackCancel = new CancelTrackerClass();
                }

                IGPParameter inputOSMParameter = paramvalues.get_Element(in_osmFeatureClass) as IGPParameter;
                IGPValue     inputOSMGPValue   = execute_Utilities.UnpackGPValue(inputOSMParameter);

                IGPParameter  tagCollectionParameter = paramvalues.get_Element(in_attributeSelector) as IGPParameter;
                IGPMultiValue tagCollectionGPValue   = execute_Utilities.UnpackGPValue(tagCollectionParameter) as IGPMultiValue;

                if (tagCollectionGPValue == null)
                {
                    message.AddError(120048, string.Format(resourceManager.GetString("GPTools_NullPointerParameterType"), tagCollectionParameter.Name));
                    return;
                }

                bool useUpdateCursor = false;

                IFeatureClass osmFeatureClass = null;
                ITable        osmInputTable   = null;
                IQueryFilter  osmQueryFilter  = null;

                try
                {
                    execute_Utilities.DecodeFeatureLayer(inputOSMGPValue, out osmFeatureClass, out osmQueryFilter);
                    if (osmFeatureClass != null)
                    {
                        if (osmFeatureClass.Extension is IOSMClassExtension)
                        {
                            useUpdateCursor = false;
                        }
                        else
                        {
                            useUpdateCursor = true;
                        }
                    }

                    osmInputTable = osmFeatureClass as ITable;
                }
                catch { }

                try
                {
                    if (osmInputTable == null)
                    {
                        execute_Utilities.DecodeTableView(inputOSMGPValue, out osmInputTable, out osmQueryFilter);
                    }
                }
                catch { }

                if (osmInputTable == null)
                {
                    string errorMessage = String.Format(resourceManager.GetString("GPTools_OSMGPAttributeSelecto_unableopentable"), inputOSMGPValue.GetAsText());
                    message.AddError(120053, errorMessage);
                    return;
                }

                // find the field that holds tag binary/xml field
                int osmTagCollectionFieldIndex = osmInputTable.FindField("osmTags");


                // if the Field doesn't exist - wasn't found (index = -1) get out
                if (osmTagCollectionFieldIndex == -1)
                {
                    message.AddError(120005, resourceManager.GetString("GPTools_OSMGPAttributeSelector_notagfieldfound"));
                    return;
                }

                // check if the tag collection includes the keyword "ALL", if does then we'll need to extract all tags
                bool extractAll = false;
                for (int valueIndex = 0; valueIndex < tagCollectionGPValue.Count; valueIndex++)
                {
                    if (tagCollectionGPValue.get_Value(valueIndex).GetAsText().Equals("ALL"))
                    {
                        extractAll = true;
                        break;
                    }
                }
                //if (extractAll)
                //{
                //    if (osmTagKeyCodedValues == null)
                //        extractAllTags(ref osmTagKeyCodedValues, osmInputTable, osmQueryFilter, osmTagCollectionFieldIndex, false);

                //    if (osmTagKeyCodedValues == null)
                //    {
                //        message.AddAbort(resourceManager.GetString("GPTools_OSMGPAttributeSelector_Unable2RetrieveTags"));
                //        return;
                //    }

                //    // empty the existing gp multivalue object
                //    tagCollectionGPValue = new GPMultiValueClass();

                //    // fill the coded domain in gp multivalue object
                //    for (int valueIndex = 0; valueIndex < osmTagKeyCodedValues.CodeCount; valueIndex++)
                //    {
                //        tagCollectionGPValue.AddValue(osmTagKeyCodedValues.get_Value(valueIndex));
                //    }
                //}

                // get an overall feature count as that determines the progress indicator
                int featureCount = osmInputTable.RowCount(osmQueryFilter);

                // set up the progress indicator
                IStepProgressor stepProgressor = TrackCancel as IStepProgressor;

                if (stepProgressor != null)
                {
                    stepProgressor.MinRange  = 0;
                    stepProgressor.MaxRange  = featureCount;
                    stepProgressor.Position  = 0;
                    stepProgressor.Message   = resourceManager.GetString("GPTools_OSMGPAttributeSelector_progressMessage");
                    stepProgressor.StepValue = 1;
                    stepProgressor.Show();
                }

                // let's get all the indices of the desired fields
                // if the field already exists get the index and if it doesn't exist create it
                Dictionary <string, int> tagsAttributesIndices = new Dictionary <string, int>();
                Dictionary <int, int>    attributeFieldLength  = new Dictionary <int, int>();

                IFeatureWorkspaceManage featureWorkspaceManage = ((IDataset)osmInputTable).Workspace as IFeatureWorkspaceManage;

                String illegalCharacters = String.Empty;

                ISQLSyntax sqlSyntax = ((IDataset)osmInputTable).Workspace as ISQLSyntax;
                if (sqlSyntax != null)
                {
                    illegalCharacters = sqlSyntax.GetInvalidCharacters();
                }

                IFieldsEdit fieldsEdit = osmInputTable.Fields as IFieldsEdit;


                using (SchemaLockManager lockMgr = new SchemaLockManager(osmInputTable))
                {
                    try
                    {
                        string tagKey = String.Empty;
                        ESRI.ArcGIS.Geoprocessing.IGeoProcessor2 gp = new ESRI.ArcGIS.Geoprocessing.GeoProcessorClass();

                        // if we have explicitly defined tags to extract then go through the list of values now
                        if (extractAll == false)
                        {
                            for (int valueIndex = 0; valueIndex < tagCollectionGPValue.Count; valueIndex++)
                            {
                                if (TrackCancel.Continue() == false)
                                {
                                    return;
                                }

                                try
                                {
                                    // Check if the input field already exists.
                                    string nameofTag = tagCollectionGPValue.get_Value(valueIndex).GetAsText();
                                    tagKey = convert2AttributeFieldName(nameofTag, illegalCharacters);

                                    int fieldIndex = osmInputTable.FindField(tagKey);

                                    if (fieldIndex < 0)
                                    {
                                        // generate a new attribute field
                                        IFieldEdit fieldEdit = new FieldClass();
                                        fieldEdit.Name_2      = tagKey;
                                        fieldEdit.AliasName_2 = nameofTag + resourceManager.GetString("GPTools_OSMGPAttributeSelector_aliasaddition");
                                        fieldEdit.Type_2      = esriFieldType.esriFieldTypeString;
                                        fieldEdit.Length_2    = 100;

                                        osmInputTable.AddField(fieldEdit);

                                        message.AddMessage(string.Format(resourceManager.GetString("GPTools_OSMGPAttributeSelector_addField"), tagKey, nameofTag));

                                        // re-generate the attribute index
                                        fieldIndex = osmInputTable.FindField(tagKey);
                                    }

                                    if (fieldIndex > 0)
                                    {
                                        tagsAttributesIndices.Add(nameofTag, fieldIndex);
                                        attributeFieldLength.Add(fieldIndex, osmInputTable.Fields.get_Field(fieldIndex).Length);
                                    }
                                }
                                catch (Exception ex)
                                {
                                    // the key is already there, this might result because from multiple upper and lower-case combinations of the same key
                                    message.AddWarning(ex.Message + " (" + convert2OSMKey(tagKey, illegalCharacters) + ")");
                                }
                            }
                        }
                        else
                        {
                            List <string> listofAllTags = extractAllTags(osmInputTable, osmQueryFilter, osmTagCollectionFieldIndex);

                            foreach (string nameOfTag in listofAllTags)
                            {
                                if (TrackCancel.Continue() == false)
                                {
                                    return;
                                }

                                try
                                {
                                    // Check if the input field already exists.
                                    tagKey = convert2AttributeFieldName(nameOfTag, illegalCharacters);

                                    int fieldIndex = osmInputTable.FindField(tagKey);

                                    if (fieldIndex < 0)
                                    {
                                        // generate a new attribute field
                                        IFieldEdit fieldEdit = new FieldClass();
                                        fieldEdit.Name_2      = tagKey;
                                        fieldEdit.AliasName_2 = nameOfTag + resourceManager.GetString("GPTools_OSMGPAttributeSelector_aliasaddition");
                                        fieldEdit.Type_2      = esriFieldType.esriFieldTypeString;
                                        fieldEdit.Length_2    = 100;

                                        osmInputTable.AddField(fieldEdit);

                                        message.AddMessage(string.Format(resourceManager.GetString("GPTools_OSMGPAttributeSelector_addField"), tagKey, nameOfTag));

                                        // re-generate the attribute index
                                        fieldIndex = osmInputTable.FindField(tagKey);
                                    }

                                    if (fieldIndex > 0)
                                    {
                                        tagsAttributesIndices.Add(nameOfTag, fieldIndex);
                                        attributeFieldLength.Add(fieldIndex, osmInputTable.Fields.get_Field(fieldIndex).Length);
                                    }
                                }
                                catch (Exception ex)
                                {
                                    // the key is already there, this might result because from multiple upper and lower-case combinations of the same key
                                    message.AddWarning(ex.Message + " (" + convert2OSMKey(tagKey, illegalCharacters) + ")");
                                }
                            }
                        }
                    }
                    catch (Exception ex)
                    {
                        message.AddWarning(ex.Message);
                    }
                }

                try
                {
                    execute_Utilities.DecodeFeatureLayer(inputOSMGPValue, out osmFeatureClass, out osmQueryFilter);
                    if (osmFeatureClass != null)
                    {
                        if (osmFeatureClass.Extension is IOSMClassExtension)
                        {
                            useUpdateCursor = false;
                        }
                        else
                        {
                            useUpdateCursor = true;
                        }
                    }

                    osmInputTable = osmFeatureClass as ITable;
                }
                catch { }

                try
                {
                    if (osmInputTable == null)
                    {
                        execute_Utilities.DecodeTableView(inputOSMGPValue, out osmInputTable, out osmQueryFilter);
                    }
                }
                catch { }

                if (osmInputTable == null)
                {
                    string errorMessage = String.Format(resourceManager.GetString("GPTools_OSMGPAttributeSelecto_unableopentable"), inputOSMGPValue.GetAsText());
                    message.AddError(120053, errorMessage);
                    return;
                }

                using (ComReleaser comReleaser = new ComReleaser())
                {
                    using (SchemaLockManager lockMgr = new SchemaLockManager(osmInputTable))
                    {
                        // get an update cursor for all the features to process
                        ICursor rowCursor = null;
                        if (useUpdateCursor)
                        {
                            rowCursor = osmInputTable.Update(osmQueryFilter, false);
                        }
                        else
                        {
                            rowCursor = osmInputTable.Search(osmQueryFilter, false);
                        }

                        comReleaser.ManageLifetime(rowCursor);

                        IRow osmRow = null;


                        Dictionary <string, string> tagKeys = new Dictionary <string, string>();
                        int progessIndex = 0;
#if DEBUG
                        message.AddMessage("useUpdateCursor: " + useUpdateCursor.ToString());
#endif

                        // as long as there are features....
                        while ((osmRow = rowCursor.NextRow()) != null)
                        {
                            // retrieve the tags of the current feature
                            tag[] storedTags = _osmUtility.retrieveOSMTags(osmRow, osmTagCollectionFieldIndex, ((IDataset)osmInputTable).Workspace);

                            bool rowChanged = false;
                            if (storedTags != null)
                            {
                                foreach (tag tagItem in storedTags)
                                {
                                    // Check for matching values so we only change a minimum number of rows
                                    if (tagsAttributesIndices.ContainsKey(tagItem.k))
                                    {
                                        int fieldIndex = tagsAttributesIndices[tagItem.k];

                                        //...then stored the value in the attribute field
                                        // ensure that the content of the tag actually does fit into the field length...otherwise do truncate it
                                        string tagValue = tagItem.v;

                                        int fieldLength = attributeFieldLength[fieldIndex];

                                        if (tagValue.Length > fieldLength)
                                        {
                                            tagValue = tagValue.Substring(0, fieldLength);
                                        }

                                        osmRow.set_Value(fieldIndex, tagValue);
                                        rowChanged = true;
                                    }
                                    else
                                    {
#if DEBUG
                                        //message.AddWarning(tagItem.k);
#endif
                                    }
                                }
                            }

                            storedTags = null;

                            try
                            {
                                if (rowChanged)
                                {
                                    if (useUpdateCursor)
                                    {
                                        rowCursor.UpdateRow(osmRow);
                                    }
                                    else
                                    {
                                        // update the feature through the cursor
                                        osmRow.Store();
                                    }
                                }
                                progessIndex++;
                            }
                            catch (Exception ex)
                            {
                                System.Diagnostics.Debug.WriteLine(ex.Message);
                                message.AddWarning(ex.Message);
                            }

                            if (osmRow != null)
                            {
                                Marshal.ReleaseComObject(osmRow);
                            }

                            if (stepProgressor != null)
                            {
                                // update the progress UI
                                stepProgressor.Position = progessIndex;
                            }

                            // check for user cancellation (every 100 rows)
                            if ((progessIndex % 100 == 0) && (TrackCancel.Continue() == false))
                            {
                                return;
                            }
                        }

                        if (stepProgressor != null)
                        {
                            stepProgressor.Hide();
                        }
                    }
                }

                execute_Utilities.ReleaseInternals();
                Marshal.ReleaseComObject(execute_Utilities);
            }
            catch (Exception ex)
            {
                message.AddError(120054, ex.Message);
            }
        }
Exemple #5
0
        // Execute: Execute the function given the array of the parameters
        public void Execute(IArray paramvalues, ITrackCancel trackcancel, IGPEnvironmentManager envMgr, IGPMessages message)
        {
            IFeatureClass outputFeatureClass = null;

            try
            {
                // get the input feature class
                IGPMultiValue inputFeatureClasses_Parameter = (IGPMultiValue)m_GPUtilities.UnpackGPValue(paramvalues.get_Element(0));
                layer[]       input_featureClasses          = new layer[inputFeatureClasses_Parameter.Count];
                for (int i = 0; i < inputFeatureClasses_Parameter.Count; i++)
                {
                    IGPValue inputFeatureClass_Parameter = inputFeatureClasses_Parameter.get_Value(i);

                    IFeatureClass inputFeatureClass;
                    IQueryFilter  inputQF;

                    m_GPUtilities.DecodeFeatureLayer(inputFeatureClass_Parameter, out inputFeatureClass, out inputQF);

                    input_featureClasses[i] = new layer()
                    {
                        featureclass = inputFeatureClass, qFilter = inputQF
                    };
                }


                if (input_featureClasses.Length == 0 || input_featureClasses.Any(w => w.featureclass == null))
                {
                    message.AddError(2, "Could not open one or more input dataset.");
                    return;
                }

                //IFields additionalFields = new FieldsClass();
                //additionalFields.AddField(FEATURE_SOURCE_FIELD_NAME, esriFieldType.esriFieldTypeString);
                //additionalFields.AddField(FEATURE_ID_FIELD_NAME, esriFieldType.esriFieldTypeInteger);
                //additionalFields.AddField(
                //    input_featureClasses[0].featureclass.Fields.get_Field(
                //    input_featureClasses[0].featureclass.Fields.FindField(
                //    input_featureClasses[0].featureclass.ShapeFieldName)));

                // create the output feature class
                IGPValue outputFeatureClass_Parameter = m_GPUtilities.UnpackGPValue(paramvalues.get_Element(1));
                outputFeatureClass = GPHelperFunctions.CreateFeatureClass(outputFeatureClass_Parameter, envMgr);

                if (outputFeatureClass == null)
                {
                    message.AddError(2, "Could not create output dataset.");
                    return;
                }



                IGPString curveTypeParameter = (IGPString)m_GPUtilities.UnpackGPValue(paramvalues.get_Element(2));
                ArcConstructionMethods method;
                if (!Enum.TryParse <ArcConstructionMethods>(curveTypeParameter.Value, true, out method))
                {
                    message.AddError(2, string.Format("The value {0} is not expected.  Expected values are: {1}.",
                                                      curveTypeParameter.Value,
                                                      string.Join(",", Enum.GetNames(typeof(ArcConstructionMethods)))));
                    return;
                }

                IStepProgressor stepPro = (IStepProgressor)trackcancel;
                GPHelperFunctions.dropSpatialIndex(outputFeatureClass);

                BoostVoronoi bv = new BoostVoronoi(100);

                double          minX = int.MaxValue, minY = int.MaxValue, maxX = int.MinValue, maxY = int.MinValue;
                List <site_key> point_sites   = new List <site_key>();
                List <site_key> segment_sites = new List <site_key>();

                for (short i = 0; i < input_featureClasses.Length; i++)
                {
                    layer l         = input_featureClasses[i];
                    int   featcount = l.featureclass.FeatureCount(l.qFilter);

                    stepPro.MinRange  = 0;
                    stepPro.MaxRange  = featcount;
                    stepPro.StepValue = (1);
                    stepPro.Message   = "Reading features";
                    stepPro.Position  = 0;
                    stepPro.Show();

                    IFeatureCursor cursor = null;
                    IFeature       row    = null;

                    try
                    {
                        cursor = l.featureclass.Search(l.qFilter, false);
                        while ((row = cursor.NextFeature()) != null)
                        {
                            stepPro.Step();
                            IPoint point = row.Shape as IPoint;
                            if (point != null)
                            {
                                double X = point.X;
                                double Y = point.Y;

                                minX = Math.Min(minX, X);
                                maxX = Math.Max(maxX, X);

                                minY = Math.Min(minY, Y);
                                maxY = Math.Max(maxY, Y);

                                bv.AddPoint(point.X, point.Y);
                                point_sites.Add(new site_key(i, row.OID));
                            }

                            IMultipoint multipoint = row.Shape as IMultipoint;
                            if (multipoint != null)
                            {
                                IPointCollection pointCollection = (IPointCollection)multipoint;
                                IEnumVertex      vertices        = pointCollection.EnumVertices;

                                IPoint vertex = null; int part, index;
                                vertices.Next(out vertex, out part, out index);

                                minX = Math.Min(minX, multipoint.Envelope.XMin);
                                maxX = Math.Max(maxX, multipoint.Envelope.XMax);

                                minY = Math.Min(minY, multipoint.Envelope.YMin);
                                maxY = Math.Max(maxY, multipoint.Envelope.YMax);

                                while (vertex != null)
                                {
                                    bv.AddPoint(vertex.X, vertex.Y);
                                    point_sites.Add(new site_key(i, row.OID));

                                    vertices.Next(out vertex, out part, out index);
                                }
                            }

                            IPolyline polyline = row.Shape as IPolyline;
                            if (polyline != null)
                            {
                                double fromX = polyline.FromPoint.X;
                                double fromY = polyline.FromPoint.Y;
                                double toX   = polyline.ToPoint.X;
                                double toY   = polyline.ToPoint.Y;

                                if (toX < fromX)
                                {
                                    minX = Math.Min(minX, toX);
                                    maxX = Math.Max(maxX, fromX);
                                }
                                else
                                {
                                    minX = Math.Min(minX, fromX);
                                    maxX = Math.Max(maxX, toX);
                                }

                                if (toY < fromY)
                                {
                                    minY = Math.Min(minY, toY);
                                    maxY = Math.Max(maxY, fromY);
                                }
                                else
                                {
                                    minY = Math.Min(minY, fromY);
                                    maxY = Math.Max(maxY, toY);
                                }

                                bv.AddSegment(
                                    polyline.FromPoint.X, polyline.FromPoint.Y,
                                    polyline.ToPoint.X, polyline.ToPoint.Y
                                    );


                                segment_sites.Add(new site_key(i, row.OID));
                            }

                            Marshal.ReleaseComObject(row);
                        }
                    }
                    finally
                    {
                        if (row != null)
                        {
                            Marshal.ReleaseComObject(row);
                        }
                        if (cursor != null)
                        {
                            Marshal.ReleaseComObject(cursor);
                        }

                        stepPro.Hide();
                    }
                }

                message.AddMessage(String.Format("{0}, {1} -> {2}, {3}", minX, minY, maxX, maxY));

                int width  = Math.Max((int)((maxX - minX) * 0.1), 1);
                int height = Math.Max((int)((maxY - minY) * 0.1), 1);

                maxX = maxX + width;
                minX = minX - width;
                maxY = maxY + height;
                minY = minY - height;

                message.AddMessage(String.Format("{0}, {1} -> {2}, {3}", minX, minY, maxX, maxY));
                bv.AddSegment(minX, minY, maxX, minY);
                segment_sites.Add(new site_key(-1, -1));
                bv.AddSegment(maxX, minY, maxX, maxY);
                segment_sites.Add(new site_key(-1, -1));
                bv.AddSegment(maxX, maxY, minX, maxY);
                segment_sites.Add(new site_key(-1, -1));
                bv.AddSegment(minX, maxY, minX, minY);
                segment_sites.Add(new site_key(-1, -1));

                stepPro.Message  = "Solve Voronoi";
                stepPro.MaxRange = 0;
                stepPro.MaxRange = 0;
                stepPro.Show();

                bv.Construct();

                stepPro.Hide();

                int featureSourceIndx = outputFeatureClass.Fields.FindField(FEATURE_SOURCE_FIELD_NAME);
                int featureIDIndx     = outputFeatureClass.Fields.FindField(FEATURE_ID_FIELD_NAME);

                IFeatureCursor inserts = null;
                IFeatureBuffer buffer  = null;
                try
                {
                    object            missing          = Type.Missing;
                    ISpatialReference spatialReference = ((IGeoDataset)outputFeatureClass).SpatialReference;
                    inserts = outputFeatureClass.Insert(false);
                    buffer  = outputFeatureClass.CreateFeatureBuffer();

                    List <Cell> cells = bv.Cells;
                    message.AddMessage(string.Format("{0} cells calculated", cells.Count));
                    List <Edge> edges = bv.Edges;
                    message.AddMessage(string.Format("{0} edges calculated", edges.Count));
                    List <Vertex> vertices = bv.Vertices;
                    message.AddMessage(string.Format("{0} vertexes calculated", vertices.Count));

                    stepPro.Message  = "Write cells";
                    stepPro.MaxRange = 0;
                    stepPro.MaxRange = cells.Count;
                    stepPro.Show();


                    for (int cellIndex = 0; cellIndex < cells.Count; cellIndex++)
                    {
                        try
                        {
                            if (cellIndex % 5000 == 0)
                            {
                                message.AddMessage(String.Format("{0}. {1} cells processed.", DateTime.Now, cellIndex));
                            }

                            Cell cell        = cells[cellIndex];
                            int  currentSite = cell.Site;
                            IGeometryCollection geometryCollection = new GeometryBagClass()
                            {
                                SpatialReference = spatialReference
                            };

                            //ignores any sliver cells
                            if (cell.IsOpen || cell.EdgesIndex.Count < 3)
                            {
                                continue;
                            }

                            ISegmentCollection segmentCollection = createSegments(cell, bv, method, spatialReference);

                            if (((IArea)segmentCollection).Area <= 0)
                            {
                                message.AddMessage("A invalid geometry has been detected, try reversing the orientation.");
                                ISegmentCollection reversed_segmentCollection = new PolygonClass()
                                {
                                    SpatialReference = spatialReference
                                };
                                for (int i = segmentCollection.SegmentCount - 1; i >= 0; i--)
                                {
                                    ISegment segment = (ISegment)segmentCollection.get_Segment(i);
                                    segment.ReverseOrientation();
                                    reversed_segmentCollection.AddSegment(segment);
                                }
                                segmentCollection = reversed_segmentCollection;
                            }

                            ((IPolygon)segmentCollection).SpatialReference = spatialReference;
                            if (((IArea)segmentCollection).Area <= 0)
                            {
                                message.AddWarning("An empty shell has been created");

                                for (int i = 0; i < segmentCollection.SegmentCount; i++)
                                {
                                    ISegment segment = (ISegment)segmentCollection.get_Segment(i);
                                    message.AddMessage(String.Format("From {0}, {1} To {2},{3}",
                                                                     segment.FromPoint.X, segment.FromPoint.Y,
                                                                     segment.ToPoint.X, segment.ToPoint.Y));
                                }
                            }


                            //set attributes
                            site_key sk = (currentSite >= point_sites.Count) ? segment_sites[currentSite - point_sites.Count] : point_sites[currentSite];
                            if (!sk.isEmpty)
                            {
                                buffer.set_Value(featureSourceIndx, input_featureClasses[sk.featureClassIndex].featureclass.AliasName);
                                buffer.set_Value(featureIDIndx, sk.objectID);
                            }
                            else
                            {
                                buffer.set_Value(featureSourceIndx, DBNull.Value);
                                buffer.set_Value(featureIDIndx, DBNull.Value);
                            }


                            IPolygon voronoiPolygon = (IPolygon)segmentCollection;
                            buffer.Shape = (IPolygon)voronoiPolygon;
                            inserts.InsertFeature(buffer);
                        }
                        catch (Exception e)
                        {
                            message.AddWarning("Failed to create a cell");
                        }
                    }
                }
                finally
                {
                    if (buffer != null)
                    {
                        Marshal.ReleaseComObject(buffer);
                    }
                    if (inserts != null)
                    {
                        Marshal.ReleaseComObject(inserts);
                    }
                }

                GPHelperFunctions.createSpatialIndex(outputFeatureClass);
            }
            catch (Exception exx)
            {
                message.AddError(2, exx.Message);
                message.AddMessage(exx.ToString());
            }
            finally
            {
                if (outputFeatureClass != null)
                {
                    Marshal.ReleaseComObject(outputFeatureClass);
                }

                ((IProgressor)trackcancel).Hide();
            }
        }
Exemple #6
0
        public void Apply(ISchematicInMemoryDiagram inMemoryDiagram, ESRI.ArcGIS.esriSystem.ITrackCancel cancelTracker)
        {
            if (m_reducedNodeClassName == "" || inMemoryDiagram == null)
            {
                return;
            }

            // initialize the schematic rules helper
            ISchematicRulesHelper rulesHelper = new SchematicRulesHelperClass();

            rulesHelper.InitHelper(inMemoryDiagram);
            rulesHelper.KeepVertices = m_keepVertices;

            ////////////////////////
            // get the feature classes processed by the rule
            ISchematicDiagramClass diagramClass = null;

            try
            {
                diagramClass = inMemoryDiagram.SchematicDiagramClass;
            }
            catch { }

            if (diagramClass == null)
            {
                return;
            }
            ISchematicDataset schematicDataset = null;

            try
            {
                schematicDataset = diagramClass.SchematicDataset;
            }
            catch { }

            ISchematicElementClassContainer elementclassContainer = (ISchematicElementClassContainer)schematicDataset;

            if (elementclassContainer == null)
            {
                return;
            }

            ISchematicElementClass elementClassReducedNode = null;

            elementClassReducedNode = elementclassContainer.GetSchematicElementClass(m_reducedNodeClassName);

            ISchematicElementClass elementClassSuperspan = null;

            elementClassSuperspan = elementclassContainer.GetSchematicElementClass(m_superspanLinkClassName);

            if (elementClassSuperspan == null || elementClassReducedNode == null)
            {
                return;
            }

            ISchematicInMemoryFeatureClassContainer featureClassContainer = (ISchematicInMemoryFeatureClassContainer)inMemoryDiagram;

            if (featureClassContainer == null)
            {
                return;
            }

            ISchematicInMemoryFeatureClass superspanLinkClass = featureClassContainer.GetSchematicInMemoryFeatureClass(elementClassSuperspan);
            //
            /////////////////////////

            // fetch the superspan spatial reference
            IGeoDataset geoDataset = (IGeoDataset)superspanLinkClass;

            ISpatialReference spatialRef = null;

            if (geoDataset != null)
            {
                spatialRef = geoDataset.SpatialReference;
            }
            if (spatialRef == null)
            {
                return;
            }

            // Retrieve the schematic in memory feature nodes to reduce


            System.Collections.Generic.Dictionary <string, ISchematicInMemoryFeature> colSchfeatureNode = new Dictionary <string, ISchematicInMemoryFeature>();

            // get all feature of parent node class
            IEnumSchematicInMemoryFeature enumSchematicInMemoryFeature = inMemoryDiagram.GetSchematicInMemoryFeaturesByClass(elementClassReducedNode);

            // retain only the nodes of degree two
            RetainNodesDegreeTwo(enumSchematicInMemoryFeature, colSchfeatureNode, rulesHelper);    // there would be inserted a SQL query to also filter by attributes

            IProgressor msgProgressor = null;

            if (cancelTracker != null)
            {
                msgProgressor = cancelTracker.Progressor;
                IStepProgressor stepProgressor = (IStepProgressor)msgProgressor;
                if (stepProgressor != null)
                {
                    stepProgressor.MinRange  = 0;
                    stepProgressor.MaxRange  = colSchfeatureNode.Count;
                    stepProgressor.StepValue = 1;
                    stepProgressor.Position  = 0;
                    stepProgressor.Message   = m_description;
                    cancelTracker.Reset();
                    cancelTracker.Progressor = msgProgressor;
                    stepProgressor.Show();
                }
            }

            ISchematicInMemoryFeature schFeatureToReduce;

            foreach (KeyValuePair <string, ISchematicInMemoryFeature> kvp in colSchfeatureNode)
            {
                if (cancelTracker != null)
                {
                    if (cancelTracker.Continue() == false)
                    {
                        break;
                    }
                }

                schFeatureToReduce = colSchfeatureNode[kvp.Key];
                if (schFeatureToReduce != null)
                {
                    ReduceNode(rulesHelper, superspanLinkClass, spatialRef, schFeatureToReduce);
                }
            }


            // release memory
            colSchfeatureNode.Clear();
            colSchfeatureNode = null;
            rulesHelper       = null;
        }
        // Execute: Execute the function given the array of the parameters
        public void Execute(IArray paramvalues, ITrackCancel trackcancel, IGPEnvironmentManager envMgr, IGPMessages message)
        {
            // Get the first Input Parameter
            IGPParameter parameter = (IGPParameter)paramvalues.get_Element(0);

            // UnPackGPValue. This ensures you get the value either form the dataelement or GpVariable (ModelBuilder)
            IGPValue parameterValue = m_GPUtilities.UnpackGPValue(parameter);

            // Open Input Dataset
            IFeatureClass inputFeatureClass;
            IQueryFilter  qf;

            m_GPUtilities.DecodeFeatureLayer(parameterValue, out inputFeatureClass, out qf);

            if (inputFeatureClass == null)
            {
                message.AddError(2, "Could not open input dataset.");
                return;
            }

            // Add the field if it does not exist.
            int indexA;

            parameter = (IGPParameter)paramvalues.get_Element(1);
            string field = parameter.Value.GetAsText();


            indexA = inputFeatureClass.FindField(field);
            if (indexA < 0)
            {
                IFieldEdit fieldEdit = new FieldClass();
                fieldEdit.Type_2 = esriFieldType.esriFieldTypeDouble;
                fieldEdit.Name_2 = field;
                inputFeatureClass.AddField(fieldEdit);
            }

            int featcount = inputFeatureClass.FeatureCount(null);

            //Set the properties of the Step Progressor
            IStepProgressor pStepPro = (IStepProgressor)trackcancel;

            pStepPro.MinRange  = 0;
            pStepPro.MaxRange  = featcount;
            pStepPro.StepValue = (1);
            pStepPro.Message   = "Calculating Area";
            pStepPro.Position  = 0;
            pStepPro.Show();

            // Create an Update Cursor
            indexA = inputFeatureClass.FindField(field);
            IFeatureCursor updateCursor  = inputFeatureClass.Update(qf, false);
            IFeature       updateFeature = updateCursor.NextFeature();
            IGeometry      geometry;
            IArea          area;
            double         dArea;

            while (updateFeature != null)
            {
                geometry = updateFeature.Shape;
                area     = (IArea)geometry;
                dArea    = area.Area;
                updateFeature.set_Value(indexA, dArea);
                updateCursor.UpdateFeature(updateFeature);
                updateFeature.Store();
                updateFeature = updateCursor.NextFeature();
                pStepPro.Step();
            }

            pStepPro.Hide();

            // Release the update cursor to remove the lock on the input data.
            System.Runtime.InteropServices.Marshal.ReleaseComObject(updateCursor);
        }
        public void Execute(ESRI.ArcGIS.esriSystem.IArray paramvalues, ESRI.ArcGIS.esriSystem.ITrackCancel TrackCancel, ESRI.ArcGIS.Geoprocessing.IGPEnvironmentManager envMgr, ESRI.ArcGIS.Geodatabase.IGPMessages message)
        {
            try
            {
                IGPUtilities3 execute_Utilities = new GPUtilitiesClass();
                OSMUtility    osmUtility        = new OSMUtility();

                if (TrackCancel == null)
                {
                    TrackCancel = new CancelTrackerClass();
                }

                IGPParameter inputOSMParameter = paramvalues.get_Element(in_osmFeatureClassNumber) as IGPParameter;
                IGPValue     inputOSMGPValue   = execute_Utilities.UnpackGPValue(inputOSMParameter);

                IGPParameter  tagFieldsParameter   = paramvalues.get_Element(in_attributeSelectorNumber) as IGPParameter;
                IGPMultiValue tagCollectionGPValue = execute_Utilities.UnpackGPValue(tagFieldsParameter) as IGPMultiValue;

                if (tagCollectionGPValue == null)
                {
                    message.AddError(120048, string.Format(resourceManager.GetString("GPTools_NullPointerParameterType"), tagFieldsParameter.Name));
                    return;
                }


                IFeatureClass osmFeatureClass = null;
                ITable        osmInputTable   = null;
                IQueryFilter  osmQueryFilter  = null;

                try
                {
                    execute_Utilities.DecodeFeatureLayer(inputOSMGPValue, out osmFeatureClass, out osmQueryFilter);
                    osmInputTable = osmFeatureClass as ITable;
                }
                catch { }

                try
                {
                    if (osmInputTable == null)
                    {
                        execute_Utilities.DecodeTableView(inputOSMGPValue, out osmInputTable, out osmQueryFilter);
                    }
                }
                catch { }

                if (osmInputTable == null)
                {
                    return;
                }

                // find the field that holds tag binary/xml field
                int osmTagCollectionFieldIndex = osmInputTable.FindField("osmTags");


                // if the Field doesn't exist - wasn't found (index = -1) get out
                if (osmTagCollectionFieldIndex == -1)
                {
                    message.AddError(120005, resourceManager.GetString("GPTools_OSMGPAttributeSelector_notagfieldfound"));
                    return;
                }

                // set up the progress indicator
                IStepProgressor stepProgressor = TrackCancel as IStepProgressor;

                if (stepProgressor != null)
                {
                    int featureCount = osmInputTable.RowCount(osmQueryFilter);

                    stepProgressor.MinRange  = 0;
                    stepProgressor.MaxRange  = featureCount;
                    stepProgressor.Position  = 0;
                    stepProgressor.Message   = resourceManager.GetString("GPTools_OSMGPCombineAttributes_progressMessage");
                    stepProgressor.StepValue = 1;
                    stepProgressor.Show();
                }

                String illegalCharacters = String.Empty;

                ISQLSyntax sqlSyntax = ((IDataset)osmInputTable).Workspace as ISQLSyntax;
                if (sqlSyntax != null)
                {
                    illegalCharacters = sqlSyntax.GetInvalidCharacters();
                }

                // establish the list of field indexes only once
                Dictionary <string, int> fieldIndexes = new Dictionary <string, int>();
                for (int selectedGPValueIndex = 0; selectedGPValueIndex < tagCollectionGPValue.Count; selectedGPValueIndex++)
                {
                    // find the field index
                    int fieldIndex = osmInputTable.FindField(tagCollectionGPValue.get_Value(selectedGPValueIndex).GetAsText());

                    if (fieldIndex != -1)
                    {
                        string tagKeyName = osmInputTable.Fields.get_Field(fieldIndex).Name;

                        tagKeyName = OSMToolHelper.convert2OSMKey(tagKeyName, illegalCharacters);

                        fieldIndexes.Add(tagKeyName, fieldIndex);
                    }
                }

                ICursor updateCursor = null;
                IRow    osmRow       = null;

                using (ComReleaser comReleaser = new ComReleaser())
                {
                    updateCursor = osmInputTable.Update(osmQueryFilter, false);
                    comReleaser.ManageLifetime(updateCursor);

                    osmRow = updateCursor.NextRow();
                    int progressIndex = 0;

                    while (osmRow != null)
                    {
                        // get the current tag collection from the row
                        ESRI.ArcGIS.OSM.OSMClassExtension.tag[] osmTags = osmUtility.retrieveOSMTags(osmRow, osmTagCollectionFieldIndex, ((IDataset)osmInputTable).Workspace);

                        Dictionary <string, string> tagsDictionary = new Dictionary <string, string>();
                        for (int tagIndex = 0; tagIndex < osmTags.Length; tagIndex++)
                        {
                            tagsDictionary.Add(osmTags[tagIndex].k, osmTags[tagIndex].v);
                        }

                        // look if the tag needs to be updated or added
                        bool tagsUpdated = false;
                        foreach (var fieldItem in fieldIndexes)
                        {
                            object fldValue = osmRow.get_Value(fieldItem.Value);
                            if (fldValue != System.DBNull.Value)
                            {
                                if (tagsDictionary.ContainsKey(fieldItem.Key))
                                {
                                    if (!tagsDictionary[fieldItem.Key].Equals(fldValue))
                                    {
                                        tagsDictionary[fieldItem.Key] = Convert.ToString(fldValue);
                                        tagsUpdated = true;
                                    }
                                }
                                else
                                {
                                    tagsDictionary.Add(fieldItem.Key, Convert.ToString(fldValue));
                                    tagsUpdated = true;
                                }
                            }
                            else
                            {
                                if (tagsDictionary.ContainsKey(fieldItem.Key))
                                {
                                    tagsDictionary.Remove(fieldItem.Key);
                                    tagsUpdated = true;
                                }
                            }
                        }

                        if (tagsUpdated)
                        {
                            List <ESRI.ArcGIS.OSM.OSMClassExtension.tag> updatedTags = new List <ESRI.ArcGIS.OSM.OSMClassExtension.tag>();

                            foreach (var tagItem in tagsDictionary)
                            {
                                ESRI.ArcGIS.OSM.OSMClassExtension.tag newTag = new ESRI.ArcGIS.OSM.OSMClassExtension.tag();
                                newTag.k = tagItem.Key;
                                newTag.v = tagItem.Value;
                                updatedTags.Add(newTag);
                            }

                            // insert the tags back into the collection field
                            if (updatedTags.Count != 0)
                            {
                                osmUtility.insertOSMTags(osmTagCollectionFieldIndex, osmRow, updatedTags.ToArray(), ((IDataset)osmInputTable).Workspace);

                                updateCursor.UpdateRow(osmRow);
                            }
                        }

                        progressIndex++;
                        if (stepProgressor != null)
                        {
                            stepProgressor.Position = progressIndex;
                        }

                        if (osmRow != null)
                        {
                            Marshal.ReleaseComObject(osmRow);
                        }

                        osmRow = updateCursor.NextRow();
                    }

                    if (stepProgressor != null)
                    {
                        stepProgressor.Hide();
                    }
                }
            }
            catch (Exception ex)
            {
                message.AddError(120007, ex.Message);
            }
        }
        public void Execute(ESRI.ArcGIS.esriSystem.IArray paramvalues, ESRI.ArcGIS.esriSystem.ITrackCancel TrackCancel, ESRI.ArcGIS.Geoprocessing.IGPEnvironmentManager envMgr, ESRI.ArcGIS.Geodatabase.IGPMessages message)
        {
            try
            {
                IGPUtilities3 gpUtilities3 = new GPUtilitiesClass() as IGPUtilities3;

                if (TrackCancel == null)
                {
                    TrackCancel = new CancelTrackerClass();
                }

                // decode in the input layers
                IGPParameter in_SourceFeatureClassParameter = paramvalues.get_Element(in_sourceFeatureClassNumber) as IGPParameter;
                IGPValue     in_SourceFeatureGPValue        = gpUtilities3.UnpackGPValue(in_SourceFeatureClassParameter) as IGPValue;

                IFeatureClass sourceFeatureClass = null;
                IQueryFilter  queryFilter        = null;

                gpUtilities3.DecodeFeatureLayer((IGPValue)in_SourceFeatureGPValue, out sourceFeatureClass, out queryFilter);

                if (sourceFeatureClass == null)
                {
                    message.AddError(120027, resourceManager.GetString("GPTools_OSMGPFeatureComparison_source_nullpointer"));
                    return;
                }

                IGPParameter in_NumberOfIntersectionsFieldParameter = paramvalues.get_Element(in_sourceIntersectionFieldNumber) as IGPParameter;
                IGPValue     in_NumberOfIntersectionsFieldGPValue   = gpUtilities3.UnpackGPValue(in_NumberOfIntersectionsFieldParameter) as IGPValue;

                IGPParameter in_SourceRefIDFieldParameter = paramvalues.get_Element(in_sourceRefIDsFieldNumber) as IGPParameter;
                IGPValue     in_SourceRefIDFieldGPValue   = gpUtilities3.UnpackGPValue(in_SourceRefIDFieldParameter) as IGPValue;

                IGPParameter in_MatchFeatureClassParameter = paramvalues.get_Element(in_MatchFeatureClassNumber) as IGPParameter;
                IGPValue     in_MatchFeatureGPValue        = gpUtilities3.UnpackGPValue(in_MatchFeatureClassParameter) as IGPValue;

                IFeatureClass matchFeatureClass = null;
                IQueryFilter  matchQueryFilter  = null;

                gpUtilities3.DecodeFeatureLayer((IGPValue)in_MatchFeatureGPValue, out matchFeatureClass, out matchQueryFilter);


                if (matchFeatureClass == null)
                {
                    message.AddError(120028, resourceManager.GetString("GPTools_OSMGPFeatureComparison_match_nullpointer"));
                    return;
                }

                if (queryFilter != null)
                {
                    if (((IGeoDataset)matchFeatureClass).SpatialReference != null)
                    {
                        queryFilter.set_OutputSpatialReference(sourceFeatureClass.ShapeFieldName, ((IGeoDataset)matchFeatureClass).SpatialReference);
                    }
                }


                IWorkspace     sourceWorkspace     = ((IDataset)sourceFeatureClass).Workspace;
                IWorkspaceEdit sourceWorkspaceEdit = sourceWorkspace as IWorkspaceEdit;

                if (sourceWorkspace.Type == esriWorkspaceType.esriRemoteDatabaseWorkspace)
                {
                    sourceWorkspaceEdit = sourceWorkspace as IWorkspaceEdit;
                    sourceWorkspaceEdit.StartEditing(false);
                    sourceWorkspaceEdit.StartEditOperation();
                }

                // get an overall feature count as that determines the progress indicator
                int featureCount = ((ITable)sourceFeatureClass).RowCount(queryFilter);

                // set up the progress indicator
                IStepProgressor stepProgressor = TrackCancel as IStepProgressor;

                if (stepProgressor != null)
                {
                    stepProgressor.MinRange  = 0;
                    stepProgressor.MaxRange  = featureCount;
                    stepProgressor.Position  = 0;
                    stepProgressor.Message   = resourceManager.GetString("GPTools_OSMGPFeatureComparison_progressMessage");
                    stepProgressor.StepValue = 1;
                    stepProgressor.Show();
                }

                int numberOfIntersectionsFieldIndex = sourceFeatureClass.FindField(in_NumberOfIntersectionsFieldGPValue.GetAsText());
                int sourceRefIDFieldIndex           = sourceFeatureClass.FindField(in_SourceRefIDFieldGPValue.GetAsText());

                ISpatialFilter matchFCSpatialFilter = new SpatialFilter();
                matchFCSpatialFilter.GeometryField = matchFeatureClass.ShapeFieldName;
                matchFCSpatialFilter.SpatialRel    = esriSpatialRelEnum.esriSpatialRelIntersects;
                matchFCSpatialFilter.WhereClause   = matchQueryFilter.WhereClause;

                using (ComReleaser comReleaser = new ComReleaser())
                {
                    IFeatureCursor sourceFeatureCursor = sourceFeatureClass.Search(queryFilter, false);
                    comReleaser.ManageLifetime(sourceFeatureCursor);

                    IFeature sourceFeature = null;

                    while ((sourceFeature = sourceFeatureCursor.NextFeature()) != null)
                    {
                        int    numberOfIntersections = 0;
                        string intersectedFeatures   = String.Empty;

                        IPolyline sourceLine = sourceFeature.Shape as IPolyline;

                        matchFCSpatialFilter.Geometry = sourceLine;

                        using (ComReleaser innerReleaser = new ComReleaser())
                        {
                            IFeatureCursor matchFeatureCursor = matchFeatureClass.Search(matchFCSpatialFilter, false);
                            innerReleaser.ManageLifetime(matchFeatureCursor);

                            IFeature matchFeature = null;

                            while ((matchFeature = matchFeatureCursor.NextFeature()) != null)
                            {
                                IPointCollection intersectionPointCollection = null;
                                try
                                {
                                    ITopologicalOperator topoOperator = sourceLine as ITopologicalOperator;

                                    if (topoOperator.IsSimple == false)
                                    {
                                        ((ITopologicalOperator2)topoOperator).IsKnownSimple_2 = false;
                                        topoOperator.Simplify();
                                    }

                                    IPolyline matchPolyline = matchFeature.Shape as IPolyline;

                                    if (queryFilter != null)
                                    {
                                        matchPolyline.Project(sourceLine.SpatialReference);
                                    }

                                    if (((ITopologicalOperator)matchPolyline).IsSimple == false)
                                    {
                                        ((ITopologicalOperator2)matchPolyline).IsKnownSimple_2 = false;
                                        ((ITopologicalOperator)matchPolyline).Simplify();
                                    }

                                    intersectionPointCollection = topoOperator.Intersect(matchPolyline, esriGeometryDimension.esriGeometry0Dimension) as IPointCollection;
                                }
                                catch (Exception ex)
                                {
                                    message.AddWarning(ex.Message);
                                    continue;
                                }

                                if (intersectionPointCollection != null && intersectionPointCollection.PointCount > 0)
                                {
                                    numberOfIntersections = numberOfIntersections + intersectionPointCollection.PointCount;

                                    if (String.IsNullOrEmpty(intersectedFeatures))
                                    {
                                        intersectedFeatures = matchFeature.OID.ToString();
                                    }
                                    else
                                    {
                                        intersectedFeatures = intersectedFeatures + "," + matchFeature.OID.ToString();
                                    }
                                }
                            }

                            if (numberOfIntersectionsFieldIndex > -1)
                            {
                                sourceFeature.set_Value(numberOfIntersectionsFieldIndex, numberOfIntersections);
                            }

                            if (sourceRefIDFieldIndex > -1)
                            {
                                if (intersectedFeatures.Length > sourceFeatureClass.Fields.get_Field(sourceRefIDFieldIndex).Length)
                                {
                                    sourceFeature.set_Value(sourceRefIDFieldIndex, intersectedFeatures.Substring(0, sourceFeatureClass.Fields.get_Field(sourceRefIDFieldIndex).Length));
                                }
                                else
                                {
                                    sourceFeature.set_Value(sourceRefIDFieldIndex, intersectedFeatures);
                                }
                            }
                        }

                        try
                        {
                            sourceFeature.Store();
                        }
                        catch (Exception ex)
                        {
                            message.AddWarning(ex.Message);
                        }

                        if (stepProgressor != null)
                        {
                            // update the progress UI
                            stepProgressor.Step();
                        }

                        // check for user cancellation
                        if (TrackCancel.Continue() == false)
                        {
                            return;
                        }
                    }
                }

                if (sourceWorkspaceEdit != null)
                {
                    sourceWorkspaceEdit.StopEditOperation();
                    sourceWorkspaceEdit.StopEditing(true);
                }

                if (stepProgressor != null)
                {
                    stepProgressor.Hide();
                }
            }
            catch (Exception ex)
            {
                message.AddAbort(ex.Message);
            }
        }
        public void Draw(IStepProgressor stepProgressor,
                         IActiveView activeView,
                         FileCache fileCache,
                         ITrackCancel trackCancel,
                         ISpatialReference layerSpatialReference,
                         ref string currentLevel, ITileSource tileSource, IDisplay display)
        {
            _tileSource = tileSource;
            _trackCancel = trackCancel;
            _layerSpatialReference = layerSpatialReference;
            _currentLevel = currentLevel;
            _fileCache = fileCache;
            _tileProvider = (WebTileProvider)tileSource.Provider;
            var spatialReferences = new SpatialReferences();
            _dataSpatialReference = spatialReferences.GetSpatialReference(tileSource.Schema.Srs);

            //var fetcher = new FileFetcher<Image>(osmTileSource, fileCache);

            _display = display;

            if (!activeView.Extent.IsEmpty)
            {
                _tiles = GetTiles(activeView);
                currentLevel = _currentLevel;
                Logger.Debug("Number of tiles to draw: " + _tiles.Count);

                if (_tiles.ToList().Count > 0)
                {

                    stepProgressor.MinRange = 0;
                    stepProgressor.MaxRange = _tiles.ToList().Count;
                    stepProgressor.Show();

                    var downloadFinished = new ManualResetEvent(false);

                    // this is a hack, otherwise we get error message...
                    // "WaitAll for multiple handles on a STA thread is not supported. (mscorlib)"
                    // so lets start a thread first...
                    var t = new Thread(DownloadTiles);
                    t.Start(downloadFinished);

                    // wait till finished
                    downloadFinished.WaitOne();

                    // 3. Now draw all tiles...

                    //if (layerSpatialReference != null && _dataSpatialReference != null)
                    //{
                    //    _needReproject = (layerSpatialReference.FactoryCode != _dataSpatialReference.FactoryCode);
                    //}
                    //Logger.Debug("Need reproject tile: " + _needReproject.ToString());

                    //foreach (var tile in _tiles)
                    //{
                    //    stepProgressor.Step();

                    //    /*                        if (IsBeAdded(tile))
                    //                                continue;
                    //                            _showTiles.Add(tile);*/

                    //    /*                        if (tile != null)
                    //                            {
                    //                                var name = _fileCache.GetFileName(tile.Index);

                    //                                if (!File.Exists(name)) continue;
                    //                                DrawRaster(name);
                    //                            }*/
                    //}

                    //stepProgressor.Hide();
                }
                else
                {
                    Logger.Debug("No tiles to retrieve or draw");
                }

                Logger.Debug("End drawing tiles: " + _tiles.ToList().Count);
            }
        }
        protected override void OnClick()
        {
            try
            {
                IGxSelection gxSelection = this.pGxApp.Selection;

                if (gxSelection.Count < 1)
                {
                    return;
                }

                // Inizializzo le variabili per la progress bar...
                ITrackCancel           trkCancel      = null;
                IProgressDialogFactory prgFact        = new ProgressDialogFactoryClass();
                IStepProgressor        stepProgressor = null;
                IProgressDialog2       progressDialog = null;

                int           intNumberFcConverted = 0;
                int           cont         = gxSelection.Count;
                IEnumGxObject enumGxObject = gxSelection.SelectedObjects;

                stepProgressor             = prgFact.Create(trkCancel, 0);
                progressDialog             = stepProgressor as IProgressDialog2;
                progressDialog.Description = "Removing extensions...";
                progressDialog.Title       = "Removing extensions...";
                progressDialog.Animation   = esriProgressAnimationTypes.esriProgressSpiral;
                progressDialog.ShowDialog();

                stepProgressor.MinRange  = 0;
                stepProgressor.MaxRange  = cont;
                stepProgressor.StepValue = 1;
                stepProgressor.Show();

                IGxObject pGxObject = enumGxObject.Next();

                while (pGxObject != null)
                {
                    if (!(pGxObject is IGxDataset))
                    {
                        return;
                    }

                    IGxDataset pGxDataset = pGxObject as IGxDataset;
                    if (pGxDataset == null)
                    {
                        return;
                    }

                    //if (((pGxObject as IGxDataset).Type) != esriDatasetType.esriDTFeatureClass)
                    //{
                    //    return;
                    //}

                    this.engine(pGxDataset, pGxObject, ref intNumberFcConverted);
                    pGxObject = enumGxObject.Next();
                    stepProgressor.Step();
                }

                stepProgressor.Message = "End";
                stepProgressor.Hide();
                progressDialog.HideDialog();

                MessageBox.Show($@"Extension removed for {intNumberFcConverted} objects!", "Attention", MessageBoxButtons.OK, MessageBoxIcon.Information);
            }
            catch (Exception ex)
            {
                MessageBox.Show("Error: " + ex.Message.ToString());
            }
        }