public void PrepareQueryFilter(gView.Framework.Data.IFeatureLayer layer, gView.Framework.Data.IQueryFilter filter) { if (_renderer == null) { return; } _renderer.PrepareQueryFilter(layer, filter); }
public void PrepareQueryFilter(gView.Framework.Data.IFeatureLayer layer, gView.Framework.Data.IQueryFilter filter) { for (int i = 0; i < _renderers.Count; i++) { IFeatureRenderer renderer = _renderers[i]; if (renderer == null) { continue; } filter.AddField("*"); renderer.PrepareQueryFilter(layer, filter); } }
async public Task Render() { if (_layer == null) { return; } if (_layer.SelectionRenderer == null) { return; } if (!(_layer is IFeatureSelection)) { return; } IFeatureClass fClass = _layer.FeatureClass; if (fClass == null) { return; } ISelectionSet selectionSet = ((IFeatureSelection)_layer).SelectionSet; if (selectionSet == null) { return; } IDataset dataset = _map[_layer]; if (dataset == null) { return; } if (!(dataset is IFeatureDataset)) { return; } IGeometry filterGeom = _map.Display.Envelope; if (_map.Display.GeometricTransformer != null) { filterGeom = MapHelper.Project(fClass, _map.Display); //filterGeom = (IGeometry)_map.Display.GeometricTransformer.InvTransform2D(filterGeom); } IQueryFilter filter = null; //List<int> IDs=new List<int>(); // Sollte nicht null sein... if (selectionSet is ISpatialIndexedIDSelectionSet) { List <int> IDs = ((ISpatialIndexedIDSelectionSet)selectionSet).IDsInEnvelope(filterGeom.Envelope); filter = new RowIDFilter(fClass.IDFieldName, IDs); } else if (selectionSet is IIDSelectionSet) { List <int> IDs = ((IIDSelectionSet)selectionSet).IDs; filter = new RowIDFilter(fClass.IDFieldName, IDs); } else if (selectionSet is ISpatialIndexedGlobalIDSelectionSet) { List <long> IDs = ((ISpatialIndexedGlobalIDSelectionSet)selectionSet).IDsInEnvelope(filterGeom.Envelope); filter = new GlobalRowIDFilter(fClass.IDFieldName, IDs); } else if (selectionSet is IGlobalIDSelectionSet) { List <long> IDs = ((IGlobalIDSelectionSet)selectionSet).IDs; filter = new GlobalRowIDFilter(fClass.IDFieldName, IDs); } else if (selectionSet is IQueryFilteredSelectionSet) { filter = ((IQueryFilteredSelectionSet)selectionSet).QueryFilter.Clone() as IQueryFilter; } if (filter == null) { return; } filter.AddField(fClass.ShapeFieldName); #region Clone Layer IFeatureRenderer selectionRenderer = null; lock (lockThis) { // Beim Clonen sprerren... // Da sonst bei der Servicemap bei gleichzeitigen Requests // Exception "Objekt wird bereits an anderer Stelle verwendet" auftreten kann! selectionRenderer = (IFeatureRenderer)_layer.SelectionRenderer.Clone(new CloneOptions(_map, false, maxLabelRefscaleFactor: _layer.MaxRefScaleFactor)); } #endregion selectionRenderer.PrepareQueryFilter(_layer, filter); using (IFeatureCursor fCursor = (fClass is ISelectionCache) ? ((ISelectionCache)fClass).GetSelectedFeatures(_map.Display) : await fClass.GetFeatures(filter)) { if (fCursor != null) { //_layer.SelectionRenderer.Draw(_map, fCursor, DrawPhase.Geography, _cancelTracker); IFeature feature; while ((feature = await fCursor.NextFeature()) != null) { if (_cancelTracker != null) { if (!_cancelTracker.Continue) { break; } } selectionRenderer.Draw(_map, feature); } fCursor.Dispose(); } } }
async private Task Render(IFeatureLayer layer) { IFeatureRenderer clonedFeatureRenderer = null; ILabelRenderer clonedLabelRenderer = null; GraphicsEngine.Abstraction.IBitmap compositionModeCopyBitmap = null; GraphicsEngine.Abstraction.ICanvas compositionModeCopyCanvas = null, originalCanvas = null; try { _map.FireOnUserInterface(true); if (( layer.FeatureRenderer == null || layer.FeatureRenderer.HasEffect(layer, _map) == false) && ( layer.LabelRenderer == null || _useLabelRenderer == false )) { return; } IFeatureClass fClass = layer.FeatureClass; if (fClass == null) { return; } //IDataset dataset = (IDataset)_map[layer]; //if (dataset == null) return; //if (!(dataset is IFeatureDataset)) return; IGeometry filterGeom = _map.Display.DisplayTransformation.TransformedBounds(_map.Display); //_map.Display.Envelope; if (_map.Display.GeometricTransformer != null) { filterGeom = MapHelper.Project(fClass, _map.Display); } gView.Framework.Data.SpatialFilter filter = new gView.Framework.Data.SpatialFilter(); filter.DatasetCachingContext = _datasetCachingContext; filter.Geometry = filterGeom; filter.AddField(fClass.ShapeFieldName); //filter.FuzzyQuery = true; filter.SpatialRelation = spatialRelation.SpatialRelationMapEnvelopeIntersects; filter.MapScale = _map.Display.mapScale; filter.CancelTracker = _cancelTracker; if (layer.FilterQuery != null) { filter.WhereClause = layer.FilterQuery.WhereClause; if (layer.FilterQuery is IBufferQueryFilter) { ISpatialFilter sFilter = await BufferQueryFilter.ConvertToSpatialFilter(layer.FilterQuery as IBufferQueryFilter); if (sFilter == null) { return; } filter.SpatialRelation = spatialRelation.SpatialRelationIntersects; filter.Geometry = sFilter.Geometry; } if (layer.FilterQuery is ISpatialFilter) { //filter.FuzzyQuery = ((ISpatialFilter)layer.FilterQuery).FuzzyQuery; filter.SpatialRelation = ((ISpatialFilter)layer.FilterQuery).SpatialRelation; filter.Geometry = ((ISpatialFilter)layer.FilterQuery).Geometry; } } // Erst nach dem Clonen anwenden!!! //if (layer.FeatureRenderer != null && layer.FeatureRenderer.HasEffect(layer, _map)) //{ // layer.FeatureRenderer.PrepareQueryFilter(layer, filter); //} //if (layer.LabelRenderer != null && _useLabelRenderer) //{ // layer.LabelRenderer.PrepareQueryFilter(_map.Display, layer, filter); //} IDisplay display = _map; double refScale = display.refScale; #region Layer Clonen IFeatureRenderer renderer = null; ILabelRenderer labelRenderer = null; lock (lockThis) { // Beim Clonen sprerren... // Da sonst bei der Servicemap bei gleichzeitigen Requests // Exception "Objekt wird bereits an anderer Stelle verwendet" auftreten kann! if (layer.FeatureRenderer != null && layer.FeatureRenderer.HasEffect(layer, _map)) { if (layer.RequiresFeatureRendererClone(display)) { renderer = clonedFeatureRenderer = (IFeatureRenderer)layer.FeatureRenderer.Clone( new CloneOptions(display, layer.UseWithRefScale(display), maxRefScaleFactor: layer.MaxRefScaleFactor)); } else { renderer = layer.FeatureRenderer; } } if (layer.LabelRenderer != null && _useLabelRenderer) { if (layer.RequiresLabelRendererClone(display)) { labelRenderer = clonedLabelRenderer = (ILabelRenderer)layer.LabelRenderer.Clone(new CloneOptions(display, layer.UseLabelsWithRefScale(display), maxLabelRefscaleFactor: layer.MaxLabelRefScaleFactor)); } else // Clone with null => simple clone { //display.refScale = 0; labelRenderer = clonedLabelRenderer = (ILabelRenderer)layer.LabelRenderer.Clone(null); //display.refScale = refScale; } } } #endregion #region Prepare filter // Prepare erst auf geclonte renderer anwenden!! (Threadsafe) if (renderer != null && renderer.HasEffect(layer, _map)) { renderer.PrepareQueryFilter(layer, filter); } if (labelRenderer != null && _useLabelRenderer) { labelRenderer.PrepareQueryFilter(_map.Display, layer, filter); } #endregion using (IFeatureCursor fCursor = await fClass.GetFeatures(MapHelper.MapQueryFilter(filter))) { _map.FireOnUserInterface(false); if (fCursor != null) { IFeature feature; if (renderer != null) { renderer.StartDrawing(_map); bool useCompostionModeCopy = layer is IFeatureLayerComposition && ((IFeatureLayerComposition)layer).CompositionMode == FeatureLayerCompositionMode.Copy; if (useCompostionModeCopy) { originalCanvas = _map.Display.Canvas; compositionModeCopyBitmap = GraphicsEngine.Current.Engine.CreateBitmap(_map.Display.Bitmap.Width, _map.Display.Bitmap.Height, GraphicsEngine.PixelFormat.Rgba32); compositionModeCopyCanvas = compositionModeCopyBitmap.CreateCanvas(); compositionModeCopyBitmap.MakeTransparent(); compositionModeCopyBitmap.SetResolution(_map.Display.Bitmap.DpiX, _map.Display.Bitmap.DpiY); ((Display)_map.Display).Canvas = compositionModeCopyCanvas; } while ((feature = await fCursor.NextFeature()) != null) { if (_cancelTracker != null) { if (!_cancelTracker.Continue) { break; } } renderer.Draw(_map, feature); if (labelRenderer != null) { labelRenderer.Draw(_map, feature); } _counter.Counter++; if (_isServiceMap == false) { if (_counter.Counter % 100 == 0) { _map.FireRefreshMapView(); } } } } else if (labelRenderer != null && _cancelTracker.Continue) { while ((feature = await fCursor.NextFeature()) != null) { if (_cancelTracker != null) { if (!_cancelTracker.Continue) { break; } } labelRenderer.Draw(_map, feature); _counter.Counter++; } } if (labelRenderer != null) { labelRenderer.Release(); } if (renderer != null) { renderer.FinishDrawing(_map, _cancelTracker); } if (compositionModeCopyCanvas != null && compositionModeCopyBitmap != null) { originalCanvas.DrawBitmap(compositionModeCopyBitmap, new GraphicsEngine.CanvasRectangle(0, 0, compositionModeCopyBitmap.Width, compositionModeCopyBitmap.Height), new GraphicsEngine.CanvasRectangle(0, 0, compositionModeCopyBitmap.Width, compositionModeCopyBitmap.Height), opacity: (float)Math.Min(1, (100f - ((IFeatureLayerComposition)layer).CompositionModeCopyTransparency) / 100)); } } else { if (fClass is IDebugging && ((IDebugging)fClass).LastException != null) { throw ((IDebugging)fClass).LastException; } throw new Exception("Can't query feature class. Unknown error"); } } } catch (Exception ex) { if (_map is IServiceMap && ((IServiceMap)_map).MapServer != null) { await((IServiceMap)_map).MapServer.LogAsync( ((IServiceMap)_map).Name, "RenderFeatureLayer: " + ((layer != null) ? layer.Title : String.Empty), loggingMethod.error, ex.Message + "\n" + ex.Source + "\n" + ex.StackTrace); } if (_map != null) { _map.AddRequestException(new Exception("RenderFeatureLayerThread: " + ((layer != null) ? layer.Title : String.Empty) + "\n" + ex.Message, ex)); } } finally { if (clonedFeatureRenderer != null) { clonedFeatureRenderer.Release(); } if (clonedLabelRenderer != null) { clonedLabelRenderer.Release(); } if (originalCanvas != null) { ((Display)_map.Display).Canvas = originalCanvas; } if (compositionModeCopyCanvas != null) { compositionModeCopyCanvas.Dispose(); compositionModeCopyCanvas = null; } if (compositionModeCopyBitmap != null) { compositionModeCopyBitmap.Dispose(); compositionModeCopyBitmap = null; } _map.FireOnUserInterface(false); } }