/// <summary>
/// 处理空间统计
/// </summary>
/// <param name="mapControl"></param>
/// <param name="pGeometry"></param>
/// <param name="layerName"></param>
public void DealFeatureQuery(AxMapControl mapControl, IGeometry pGeometry, string queryStr, string layerName)
{
IGroupLayer gLayer = null;
if (string.IsNullOrEmpty(layerName))
{
return;
}
int gIndex;
int layerIndex;
IFeatureLayer pFeatureLayer = LayerUtil.QueryLayerInMap(mapControl, layerName, ref gLayer, out layerIndex, out gIndex) as IFeatureLayer;
if (pFeatureLayer == null)
{
return;
}
IQueryFilter queryFilter = null;
IFeatureCursor pFeatureCursor = null;
if (string.IsNullOrEmpty(queryStr))
{
pFeatureCursor = FeatureDealUtil.QueryFeatureInLayer(pFeatureLayer, pGeometry, ref queryFilter);
}
else
{
pFeatureCursor = FeatureDealUtil.QueryFeatureInLayer(pFeatureLayer, queryStr, ref queryFilter);
}
IList <IFeature> features = FlashFeatureShape(mapControl, pFeatureLayer, pFeatureCursor);
ShowFeatureDetail(pFeatureLayer, features, queryFilter);
}
/// <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);
}
public void ClearRouteAnalyst(AxMapControl mapControl)
{
//清除所有图标
SymbolUtil.ClearElement(mapControl);
stopPoints.Clear();
barryPoints.Clear();
barryElements.Clear();
stopElements.Clear();
//清除网络分析图层
for (int i = 0; i < mapControl.LayerCount; i++)
{
ILayer layer = mapControl.get_Layer(i);
INetworkLayer networkLayer = layer as INetworkLayer;
INALayer naLayer = layer as INALayer;
if (networkLayer != null || naLayer != null)
{
mapControl.DeleteLayer(i);
}
}
//清除网络数据集
ILayer datalayer = LayerUtil.QueryLayerInMap(mapControl, "网络数据集");
if (datalayer != null)
{
mapControl.Map.DeleteLayer(datalayer);
}
IActiveView pActiveView = mapControl.ActiveView;
pActiveView.PartialRefresh(esriViewDrawPhase.esriViewGraphics, null, null);
mapControl.Refresh();
}
private void layerCombobox_SelectedIndexChanged(object sender, EventArgs e)
{
if (layerCombobox.SelectedIndex > -1)
{
IGroupLayer gLayer = null;
int layerIndex;
int gIndex;
selectLayer = LayerUtil.QueryLayerInMap(mapControl, layerCombobox.Text, ref gLayer, out layerIndex, out gIndex);
this.labelControl2.Text = "select * from " + selectLayer.Name + " where ";
UpdateFieldBox(selectLayer);
this.queryTxtBox.Text = "";
}
}
/// <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();
}
}
