//----------------------------------------------------------------------------------------
// �� �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;
}
}
