/// <summary> /// Initializes a new instance of the <see cref="FeatureSpyViewModel"/>. /// <param name="feature">The feature to represent.</param> /// <param name="layer">The layer from which the feature originated.</param> /// </summary> public FeatureSpyViewModel(IFeature feature, ILayer layer) { _feature = feature; _layer = layer; ColumnValues = new List <ColumnInfoViewModel>(); JumpToLayerCommand = new RelayCommand(JumpToLayer); SelectFeatureCommand = new RelayCommand(SelectFeature); // Analyse the feature if (feature != null) { WorkspaceName = ArcobjWorkspaceUtils.GetWorkspaceName(_feature); TableName = ArcobjWorkspaceUtils.GetTableName(_feature.Table); ObjectId = _feature.OID; object globalId = ArcobjWorkspaceUtils.GetIdFromRow(_feature, true); if (globalId is string) { GlobalId = globalId.ToString(); } else { GlobalId = string.Empty; } FillColumnValues(ColumnValues, _feature); } if (_layer != null) { LayerName = _layer.Name; } }
private void CreateLabels() { if (Layer is IGeoFeatureLayer geoFeatureLayer) { const double TextSizePt = 9.0; const double GoodLookingScale = 500.0; double referenceScale = ArcmapUtils.GetReferenceScale(GoodLookingScale); string tableName = ArcobjWorkspaceUtils.UnqualifyTableName(ArcobjWorkspaceUtils.GetTableName(geoFeatureLayer.FeatureClass as IDataset)); string oidFieldName = geoFeatureLayer.FeatureClass.OIDFieldName; string globalIdFieldName = ArcobjWorkspaceUtils.GetGlobalIdFieldName(geoFeatureLayer.FeatureClass as ITable); string expression = FormatLabelExpression(tableName, oidFieldName, globalIdFieldName); ITextSymbol textSymbol = new TextSymbolClass(); textSymbol.Color = ArcmapLayerUtils.DetectLayerMainColor(geoFeatureLayer); textSymbol.Size = TextSizePt / referenceScale * GoodLookingScale; // Remove existing annotations geoFeatureLayer.DisplayAnnotation = false; geoFeatureLayer.AnnotationProperties.Clear(); IAnnotateLayerProperties annotateLayerProperties = new LabelEngineLayerPropertiesClass(); annotateLayerProperties.UseOutput = true; annotateLayerProperties.LabelWhichFeatures = esriLabelWhichFeatures.esriVisibleFeatures; annotateLayerProperties.CreateUnplacedElements = true; ILabelEngineLayerProperties2 labelEngineProperties = (ILabelEngineLayerProperties2)annotateLayerProperties; labelEngineProperties.ExpressionParser = new AnnotationVBScriptEngineClass(); labelEngineProperties.Expression = expression; labelEngineProperties.Symbol = textSymbol; IBasicOverposterLayerProperties overposterProperties = labelEngineProperties.BasicOverposterLayerProperties; overposterProperties.GenerateUnplacedLabels = true; overposterProperties.NumLabelsOption = esriBasicNumLabelsOption.esriOneLabelPerShape; overposterProperties.PointPlacementOnTop = true; overposterProperties.PointPlacementMethod = esriOverposterPointPlacementMethod.esriSpecifiedAngles; overposterProperties.PointPlacementAngles = new[] { 30.0 }; overposterProperties.LineLabelPosition = CreateLineLabelPosition(); if (labelEngineProperties.OverposterLayerProperties is IOverposterLayerProperties2 overposterProperties2) { overposterProperties2.TagUnplaced = false; // The "place overlapping labels" option } // Show new annotation in map geoFeatureLayer.AnnotationProperties.Add(annotateLayerProperties); geoFeatureLayer.DisplayAnnotation = true; ArcmapUtils.InvalidateMap(ArcmapUtils.GetFocusMap()); } }
private static LayerInfoViewModel LoadLayerInfoFromArcMap(IFeatureLayer layer) { // tablename IDataset dataset = (IDataset)layer.FeatureClass; string tableName = ArcobjWorkspaceUtils.GetTableName(dataset); IFeatureLayerDefinition layerDefinition = layer as IFeatureLayerDefinition; string filter = layerDefinition?.DefinitionExpression; int?[] rowCounts = { ArcmapLayerUtils.GetFilteredLayerRowCount(layer), ArcmapLayerUtils.GetLayerRowCount(layer) }; return(new LayerInfoViewModel { Title = layer.Name, Layer = layer, TableName = tableName, Filter = filter, RowCount = string.Join(" / ", rowCounts.Where(item => item != null)), }); }