//---------------------------------------------------------------------------------------- // �� �ܣ� ������ʱ�� // // �� �ߣ� // // // �� �ڣ�2007.05.# // //----------------------------------------------------------------------------------------- public bool CreatePointsLayer(String rootPath, String sessionId) { // ��ȡҪ�ط������Դ���� MgResourceService resourceService = (MgResourceService)siteConnection.CreateService(MgServiceType.ResourceService); MgFeatureService featureService = (MgFeatureService)siteConnection.CreateService(MgServiceType.FeatureService); // ��ͼ MgMap map = new MgMap(); map.Open(resourceService, "Sheboygan"); // ---Ҫ�����Ҫ�ز������û��������������滹Ҫ���ܣ�--��ʼ // ���������ݵ�Ҫ��Դ CreateFeatureSource(sessionId); String featureSourceName = "Session:" + sessionId + "//Points.FeatureSource"; MgResourceIdentifier resourceIdentifier = new MgResourceIdentifier(featureSourceName); MgBatchPropertyCollection batchPropertyCollection = new MgBatchPropertyCollection(); MgWktReaderWriter wktReaderWriter = new MgWktReaderWriter(); MgAgfReaderWriter agfReaderWriter = new MgAgfReaderWriter(); MgGeometryFactory geometryFactory = new MgGeometryFactory(); // �������¼ MgPropertyCollection propertyCollection = MakePoint("Point A", -87.727, 43.748); batchPropertyCollection.Add(propertyCollection); propertyCollection = MakePoint("Point B", -87.728, 43.730); batchPropertyCollection.Add(propertyCollection); propertyCollection = MakePoint("Point C", -87.726, 43.750); batchPropertyCollection.Add(propertyCollection); propertyCollection = MakePoint("Point D", -87.728, 43.750); batchPropertyCollection.Add(propertyCollection); // ��������Ҫ��������ӵ�Ҫ��Դ MgInsertFeatures Insertcmd = new MgInsertFeatures("Points", batchPropertyCollection); MgFeatureCommandCollection featureCommandCollection = new MgFeatureCommandCollection(); featureCommandCollection.Add(Insertcmd); featureService.UpdateFeatures(resourceIdentifier, featureCommandCollection, false); MgResourceIdentifier resourceID = null; //--------------Ҫ�����Ҫ�ز��� ���� // �����㣬ͨ���㹤��LayerDefinitionFactory LayerDefinitionFactory factory = new LayerDefinitionFactory(); factory.RootDirectoryPath = rootPath; //-------------------��������ʽ------------------------// // ������Ƿ���l string resourceSymbel = "Library://MgTutorial/Symbols/BasicSymbols.SymbolLibrary"; string symbolName = "PushPin"; string width = "24"; // unit = points string height = "24"; // unit = points string color = "FFFF0000"; string markSymbol = factory.CreateMarkSymbol(resourceSymbel, symbolName, width, height, color); // �����ı� string text = "ID"; string fontHeight = "12"; string foregroundColor = "FF000000"; string textSymbol = factory.CreateTextSymbol(text, fontHeight, foregroundColor); // ��������� string legendLabel = "trees"; string filter = ""; string pointRule = factory.CreatePointRule(legendLabel, filter, textSymbol, markSymbol); // ��������ʽ string pointTypeStyle = factory.CreatePointTypeStyle(pointRule); // �������ŷ�Χ string minScale = "0"; string maxScale = "1000000000000"; string pointScaleRange = factory.CreateScaleRange(minScale, maxScale, pointTypeStyle); // �����㶨�� string featureName = "PointSchema:Points"; string geometry = "GEOM"; string layerDefinition = factory.CreateLayerDefinition(featureSourceName, featureName, geometry, pointScaleRange); MgByteSource byteSource = new MgByteSource(Encoding.UTF8.GetBytes(layerDefinition), layerDefinition.Length); MgByteReader byteReader = byteSource.GetReader(); resourceID = new MgResourceIdentifier("Session:" + sessionId + "//Points.LayerDefinition"); resourceService.SetResource(resourceID, byteReader, null); //��������IJ㶨�����ݣ������ã� MgByteSink byteSink = new MgByteSink(resourceService.GetResourceContent(resourceID)); string filePath = "C:\\Temp\\LayerDefinition.xml"; byteSink.ToFile(filePath); // �����㲢��ӵ�����͵�ͼ�� MgLayer newLayer = CreateLayerResource(resourceID, resourceService, "Points", "��ʱ��", map); AddLayerToGroup(newLayer, "Analysis", "����", map); MgLayerCollection layerCollection = map.GetLayers(); if (layerCollection.Contains("Points")) { MgLayer pointsLayer = layerCollection.GetItem("Points"); pointsLayer.SetVisible(true); } // �����ͼ map.Save(resourceService); return true; }
public string AddNaaz(double X, double Y, string MapSession, string mapName) { try { string dataSource = "Session:" + MapSession + "//RedlineSymbol.FeatureSource"; string layerDef = "Session:" + MapSession + "//RedlineSymbol.LayerDefinition"; // MgSiteConnection site = MGMapObject.GetMgSite(MapSession); MgUserInformation userInfo = new MgUserInformation(MapSession); MgSiteConnection siteConnection = new MgSiteConnection(); siteConnection.Open(userInfo); // Create a ReserviceService object and use it to open the Map // object from the sessions repository. Use the Map object to // determine if the "AddressMarker" layer is visible. MgResourceService resourceService = siteConnection.CreateService(MgServiceType.ResourceService) as MgResourceService; MgMap map = new MgMap(); map.Open(resourceService, mapName); // MgLayer locationLayer = GetLayerByName(map, "LocationMarker"); if (siteConnection == null) { return "יש לרענן את האתר , לחיצה על כפתור הבית בפינה השמאלית עליונה"; } MgFeatureService featureSrvc = siteConnection.CreateService(2) as MgFeatureService; MgResourceService resourceSrvc = siteConnection.CreateService(0) as MgResourceService; MgResourceIdentifier dataSourceId = new MgResourceIdentifier(dataSource); MgResourceIdentifier layerDefId = new MgResourceIdentifier(layerDef); //MgMap map = MGMapObject.GetMgMap(resourceSrvc, mapName); MgGeometryFactory geomFactory = new MgGeometryFactory(); MgPoint geom = geomFactory.CreatePoint(geomFactory.CreateCoordinateXY(X, Y)); if (DataSourceExists(resourceSrvc, dataSourceId)) { resourceSrvc.DeleteResource(dataSourceId); } MgClassDefinition classDef = CreateFeatureClass("RedlineSymbol", "RedlineSymbol"); AddFeatureClassProperty(classDef, "KEY", 7, true); SetGeometryProp(classDef); MgFeatureSchema schema = CreateSchema(classDef, "RedlineSymbolShema", "RedlineSymbolShema"); MgCreateSdfParams parameters = new MgCreateSdfParams("ArbitraryXY", GetMapSrs(map), schema); featureSrvc.CreateFeatureSource(dataSourceId, parameters); MgLayerCollection layers = map.GetLayers(); MgLayer layer = FindLayer(layers, layerDef); LayerDefinitionFactory LayerDeffactory = new LayerDefinitionFactory(); if ((layer == null) && LayerDeffactory.CreateLayerDef("SymbolLayerDef_Cell", dataSource, "RedlineSymbol", "")) { resourceSrvc.SetResource(layerDefId, LayerDeffactory.layerDefContent, null); layer = new MgLayer(layerDefId, resourceSrvc); layer.SetDisplayInLegend(false); layer.SetSelectable(false); layer.SetVisible(true); layer.SetLegendLabel("ZoomSymbol"); layers.Insert(0, layer); } MgPropertyCollection featureProps = new MgPropertyCollection(); AddPointFeature("RedlineSymbol", featureProps, geom, featureSrvc, dataSourceId); if (layer != null) { layer.ForceRefresh(); } map.Save(resourceSrvc); siteConnection = null; map = null; dataSourceId = null; layerDefId = null; featureSrvc = null; resourceSrvc = null; geomFactory = null; geom = null; classDef = null; schema = null; featureProps = null; parameters = null; layers = null; layer = null; LayerDeffactory = null; GC.Collect(); GC.WaitForPendingFinalizers(); return "Ok"; } catch (Exception ex) { return ex.Message; } }