/// <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>
/// 在多线序列末尾增加一条线
/// </summary>
/// <param name="polyline"></param>
public override void Add(WEGeometry polyline)
{
if (polyline.FeatureType != FeatureType.WEPolyline)
{
throw new Exception("不能给 WEMultiPolyline 添加 WEPolyline 以外的元素.");
}
_Polylines.Add(polyline);
_MBR += polyline.MBR;
}
/// <summary>
/// 增加一个点
/// </summary>
/// <param name="point"></param>
public override void Add(WEGeometry point)
{
if (point.FeatureType != FeatureType.WEPoint)
{
throw new Exception("不能给 WEMultiPoint 添加 WEPoint 以外的元素.");
}
_Points.Add((WEPoint)point);
_MBR += point.MBR;
}
/// <summary>
/// 在复合多边形序列末尾增加一个简单多边形边界
/// </summary>
/// <param name="polygon"></param>
public override void Add(WEGeometry polygon)
{
if (polygon.FeatureType != FeatureType.WEPolygon)
{
throw new Exception("不能给 WEMultiPolygon 添加 WEPolygon 以外的元素.");
}
_Polygons.Add(polygon);
_MBR += polygon.MBR;
}
public WEEntityPoint(int id, WEGeometry points, Dictionary <string, object> attributes)
{
_FeatureType = FeatureType.WEEntityPoint;
_ID = id;
_Geometries = points.Clone();
foreach (var i in attributes)
{
_Attributes.Add(i.Key, i.Value);
}
}
public WEFeature(int id, WEGeometry fea, Dictionary <string, object> attributes)
{
_FeatureType = FeatureType.WENULL;
_ID = id;
_Geometries = fea;
foreach (var i in attributes)
{
_Attributes.Add(i.Key, i.Value);
}
}
public virtual void Add(WEGeometry newGeo)
{
}
public override void Add(WEGeometry newGeo)
{
_Points.Add((WEPoint)newGeo);
_MBR += newGeo.MBR;
}
