/// <summary>
/// 改变图层顺序
/// </summary>
/// <param name="from"></param>
/// <param name="to"></param>
public void SetLayerSequence(int from, int to)
{
WEVectorLayer movedLayer = _VectorLayers[from].Clone();
_VectorLayers.RemoveAt(from);
_VectorLayers.Insert(to, movedLayer);
}
/// <summary>
/// 向当前编辑的图层中添加一个几何对象
/// </summary>
public void AddGeometry(WEGeometry newGeo)
{
if (CurrentEdit == -1)
{
Console.WriteLine("非编辑状态");
throw new Exception("非编辑状态");
}
WEFeature newFea = new WEFeature();
WEVectorLayer _lay = (WEVectorLayer)(AllLayer[CurrentEdit]);
int id = _lay.Features.Count();
switch (AllLayer[CurrentEdit].FeatureType)
{
case FeatureType.WEEntityPoint:
newFea = new WEEntityPoint(id, newGeo, _lay.Field);
break;
case FeatureType.WEEntityPolyline:
newFea = new WEEntityPolyline(id, (WEMultiPolyline)newGeo, _lay.Field);
break;
case FeatureType.WEEntityPolygon:
newFea = new WEEntityPolygon(id, (WEMultiPolygon)newGeo, _lay.Field);
break;
}
_lay.AddFeature(newFea);
AllLayer[CurrentEdit] = _lay;
}
/// <summary>
/// 在当前编辑的图层中删除索引的几何对象
/// </summary>
/// <param name="index"></param>
public void DeleteGeometry(int index)
{
WEVectorLayer _lay = (WEVectorLayer)(AllLayer[CurrentEdit]);
_lay.DeleteFeature(index);
AllLayer[CurrentEdit] = _lay;
this.Refresh();
Refresh();
}
/// <summary>
/// 添加要素图层
/// </summary>
/// <param name="vectorLayer"></param>
public void AddLayer(WEVectorLayer vectorLayer)
{
_VectorLayers.Add(vectorLayer);
}
