public static void AddAndVisualizeTreelistBackground(TreeList parentTree, IMapControl2 mapControl1)
{
try
{
if (mapControl1 == null)
{
return;
}
IMapDocument pMapDoc = new MapDocument();
string pFileName = Config.GetConfigValue("2DMxdBackground");//获得背景图文件路径
if (string.IsNullOrEmpty(pFileName) || !File.Exists(pFileName))
{
return;
}
SplashScreenManager.Default.SendCommand(null, "正在加载二维基础数据......");
pMapDoc.Open(pFileName, null); //打开地图
IMap pMap = pMapDoc.get_Map(0); //获得地图
List <ILayer> loadLayer = new List <ILayer>(); //初始化待加载地理信息图层list
int layerNum = mapControl1.Map.LayerCount; //获得当前主地图控件的图层数
for (int i = 0; i < pMap.LayerCount; i++) //对地图的图层进行遍历
{
ILayer layer = pMap.get_Layer(i);
AddComLayerNode(parentTree, rootNode, layer, loadLayer);//为图层树控件加载新图层，并将待加载图层写入loadLayer
rootNode.CollapseAll();
}
if (loadLayer.Count > 0)
{
foreach (ILayer layer in loadLayer)
{
mapControl1.AddLayer(layer, layerNum);
layerNum++;
//if (layer is IRasterLayer)
//{
// mapControl2.AddLayer(layer);
//}
}
IEnvelope pEnv = mapControl1.ActiveView.Extent;
IPoint point = new ESRI.ArcGIS.Geometry.Point();
point.PutCoords((pEnv.XMax + pEnv.XMin) / 2, (pEnv.YMax + pEnv.YMin) / 2);
pEnv.CenterAt(point);
mapControl1.ActiveView.Extent = pEnv;
mapControl1.MapUnits = pMap.MapUnits;
mapControl1.ReferenceScale = pMap.ReferenceScale;
mapControl1.ActiveView.Refresh();
}
}
catch (System.Exception ex)
{
return;
}
}
public static void AddComLayerNode(TreeList parentTree, TreeNodeComLayer node, ILayer layer, List <ILayer> loadlayer)
{
object renderer = null;
TreeNodeComLayer comLayerNode;
if (layer is ICadLayer)
{
return;
}
if (node == null)//如果当前节点为空
{
comLayerNode = new TreeNodeComLayer()
{
Name = layer.Name, CustomValue = layer
};
comLayerNode.OwnNode = parentTree.AppendNode(new object[] { comLayerNode.Name }, (TreeListNode)null);//为树创建根节点
comLayerNode.ImageIndex = 0;
node = comLayerNode;
rootNode = comLayerNode;
rootNode.Visible = true;
}
else
{
comLayerNode = new TreeNodeComLayer()
{
Name = layer.Name, CustomValue = layer
};
comLayerNode.Visible = true;
if (comLayerNode.Name.Contains("注记"))
{
comLayerNode.ImageIndex = 10;
}
else
{
comLayerNode.ImageIndex = 0;
}
node.Add(comLayerNode); //为当前节点添加子节点
}
if (layer is ESRI.ArcGIS.Carto.IGroupLayer) //如果图层是复合图层组
{
ICompositeLayer comLayer = layer as ICompositeLayer;
for (int i = 0; i < comLayer.Count; i++)
{
AddComLayerNode(parentTree, comLayerNode, comLayer.get_Layer(i), loadlayer);//递归
comLayerNode.CollapseAll();
}
}
else if (layer is IGeoFeatureLayer) //如果图层是地理要素图层
{
loadlayer.Add(layer); //将该图层添加到待加载图层
IGeoFeatureLayer geoFtLayer = layer as IGeoFeatureLayer;
if (geoFtLayer == null)
{
return;
}
if (geoFtLayer.FeatureClass == null)
{
node.CollapseAll(); return;
}
esriGeometryType geoType = geoFtLayer.FeatureClass.ShapeType;
switch (geoType)
{
case esriGeometryType.esriGeometryPoint:
case esriGeometryType.esriGeometryMultipoint:
comLayerNode.ImageIndex = 4;
break;
case esriGeometryType.esriGeometryLine:
case esriGeometryType.esriGeometryPolyline:
comLayerNode.ImageIndex = 5;
break;
case esriGeometryType.esriGeometryPolygon:
comLayerNode.ImageIndex = 6;
break;
}
renderer = geoFtLayer.Renderer;
AddSymbolNode(comLayerNode, renderer);//对当前树节点进行符号化
node.CollapseAll();
comLayerNode.CollapseAll();
if (geoFtLayer.FeatureClass == null)
{
return;
}
DF2DFeatureClass dffc = new DF2DFeatureClass(geoFtLayer.FeatureClass, comLayerNode);//根据当前要素类创建DF2DFC，并添加到管理类
dffc.SetLayer(layer);
DF2DFeatureClassManager.Instance.Add(dffc);
DF2DFeatureClassManager.Instance.Add(comLayerNode);
}
else if (layer is IRasterLayer) //如果图层是栅格图层
{
loadlayer.Add(layer); //将该图层添加到待加载图层
//comLayerNode.Visible = true; //当前图层为可见（显示影像图）
IRasterLayer rasterLayer = layer as IRasterLayer;
IRaster raster = rasterLayer.Raster;
if (raster == null)
{
return;
}
DF2DRaster dfrd = new DF2DRaster(raster, comLayerNode);
dfrd.SetLayer(layer);
DF2DRasterManager.Instance.Add(dfrd);
}
else if (layer is IAnnotationLayer)
{
loadlayer.Add(layer);
IFeatureLayer featureLayer = layer as IFeatureLayer;
if (featureLayer.FeatureClass == null)
{
return;
}
DF2DFeatureClass dffc = new DF2DFeatureClass(featureLayer.FeatureClass, comLayerNode);
dffc.SetLayer(layer);
DF2DFeatureClassManager.Instance.Add(dffc);
DF2DFeatureClassManager.Instance.Add(comLayerNode);
}
else
{
loadlayer.Add(layer);//其它图层也加入待加载图层
}
}
