/// <summary>
/// 对公路网图层进行处理 线程安全
/// 如果有则将其提取到第一个位置
/// 如果没有直接加载
/// </summary>
/// <param name="mapControl"></param>
public ILayer DealRoutenetLayer(AxMapControl mapControl)
{
IGroupLayer myGroupLayer = null;
int gIndex;
int layerIndex;
ILayer routeNetLayer = LayerUtil.QueryLayerInMap(mapControl, "公路网", ref myGroupLayer, out layerIndex, out gIndex);
//如果公路网的数据没有加载，则直接加载
if (routeNetLayer == null)
{
routeNetLayer = ShapeSimpleHelper.OpenFile(Common.RouteNetFeaturePath);
RouteLayerUtil.SetRouteLayerStyle(routeNetLayer);
mapControl.AddLayer(routeNetLayer);
}
//否则 保证在第一个位置 也就是图层最上面
if (gIndex < 1 && layerIndex == 0)
{
routeNetLayer.Visible = true;
}
else
{
if (myGroupLayer != null)
{
myGroupLayer.Delete(routeNetLayer);
}
else
{
mapControl.Map.DeleteLayer(routeNetLayer);
}
mapControl.AddLayer(routeNetLayer);
}
return(routeNetLayer);
}
/// <summary>
/// 设置初始化的公路网样式 似乎加入地图的图层就不能再设置样式了
/// </summary>
private void SetInitialRouteNetLayerStyle()
{
IGroupLayer myGroupLayer = null;
int gIndex;
int layerIndex;
ILayer routeNetLayer = LayerUtil.QueryLayerInMap(this.axMapControl1, "公路网", ref myGroupLayer, out layerIndex, out gIndex);
//从配置文件中设置公路网样式
if (routeNetLayer != null)
{
RouteLayerUtil.SetRouteLayerStyle(routeNetLayer);
this.axMapControl1.Refresh();
}
}
private void exCheckedListBox1_SelectedIndexChanged_1(object sender, EventArgs e)
{
Boolean IsEqual = false;//判断是否已经存在此图层
int i = exCheckedListBox1.SelectedIndex;
var selectLayer = exCheckedListBox1.SelectedItem;
//这里还可以用循环的方法 this.myCheckedlistBox.GetItemChecked(i)
if (exCheckedListBox1.CheckedItems.Contains(selectLayer))
{
string fullPath = selectLayer.ToString();
if (fullPath.Equals("降水量"))
{
ToRasterControl.OpenRasterLayer(rasterPath, fullPath);
}
else
{
if (fullPath.Substring(fullPath.LastIndexOf(".")) == ".shp")
{
fullPath = shapePath + fullPath;//这里发现+=和普通写法还是有区别的
//利用"\\"将文件路径分成两部分
int Position = fullPath.LastIndexOf("\\");
//文件目录
string FilePath = fullPath.Substring(0, Position);
//
string ShpName = fullPath.Substring(Position + 1);
IWorkspaceFactory pWF;
pWF = new ShapefileWorkspaceFactory();
IFeatureWorkspace pFWS;
pFWS = (IFeatureWorkspace)pWF.OpenFromFile(FilePath, 0);
IFeatureClass pFClass;
pFClass = pFWS.OpenFeatureClass(ShpName);
IFeatureLayer pFLayer;
pFLayer = new FeatureLayer();
pFLayer.FeatureClass = pFClass;
pFLayer.Name = pFClass.AliasName;
// MainFrom.m_mapControl.Refresh(esriViewDrawPhase.esriViewGeography, null, null);
if (pFLayer.Name == "公路网")
{
RouteLayerUtil.SetRouteLayerStyle(pFLayer);
}
IsEqual = Common.InsertShapeLayer(IsEqual, (ILayer)pFLayer);
if (pFLayer.Name == "聚落")
{
LayerManager.ClassBreaksMap(pFLayer, "rkmidu", 5);
}
if (pFLayer.Name == "行政区")
{
LayerManager.UniqueValueRenderer(pFLayer, "name");
}
if (pFLayer.Name == "乡村点")
{
LayerManager.SetFeaturePictureSymbol(pFLayer, Common.CountryPointImagePath, 15);
}
if (pFLayer.Name == "水系")
{
FeatureStyleUtil.SetFetureLineStyle(0, 92, 230, 2, pFLayer);
}
if (pFLayer.Name == "震前灾害点")
{
LayerManager.SetFeaturePictureSymbol(pFLayer, Common.BeforeDisaterImagePath, 15);
}
if (pFLayer.Name == "震后新增灾害点")
{
LayerManager.SetFeaturePictureSymbol(pFLayer, Common.AfterDisaterImagePath, 15);
}
if (pFLayer.Name == "断裂带")
{
FeatureStyleUtil.SetFetureLineStyle(0, 0, 0, 3, pFLayer);
}
if (pFLayer.Name == "地震烈度")
{
LayerManager.UniqueValueRendererEarthquake(pFLayer, "地震烈度");
}
if (pFLayer.Name == "岩性")
{
LayerManager.UniqueValueRendererLithology(pFLayer, "岩性");
//LayerManager.UniqueValueRenderer(pFLayer, "name");
//LayerManager.SetFeaturePictureFillSymbol(pFLayer, Common.AfterDisaterImagePath);
}
//选择数据源
MainFrom.toolComboBox.Items.Add(pFLayer.Name);
MainFrom.m_pTocControl.Update();
}
else
{
//fullPath = rasterPath + fullPath;
ToRasterControl.RaskCaulte(rasterPath, fullPath);
////这里将RasterLayerClass改为RasterLayer 即可以嵌入互操作类型 下同
//IRasterLayer rasterLayer = new RasterLayer();
//rasterLayer.CreateFromFilePath(fullPath);
//// IRaster ir = (IRaster) rasterLayer;
//IsEqual = Common.InsertLayer(IsEqual, rasterLayer);
//MainFrom.m_pTocControl.Update();
}
}
}
else
{
string layerName = selectLayer.ToString();
isLoad = true;
if (layerName.Substring(layerName.LastIndexOf(".")) == ".shp")
{
//选择数据源
layerName = layerName.Substring(0, layerName.LastIndexOf("."));
MainFrom.toolComboBox.Items.Remove(layerName);
}
try
{
//这里需要注意的是矢量文件在图层中没有后缀名 而栅格文件在图层中有后缀名 如.tif
MainFrom.m_mapControl.Map.DeleteLayer(LayerManager.returnIndexByLayerName(MainFrom.m_mapControl, layerName));
MainFrom.m_mapControl.Refresh();
MainFrom.m_pTocControl.Update();
}
catch (Exception ex)
{
}
}
}
