/// <summary>
/// 判断点是否选中多点
/// </summary>
/// <param name="point"></param>
/// <param name="multiPoint"></param>
/// <returns></returns>
public static bool IsPointOnMultiPoint(WEPoint point, WEMultiPoint multiPoint)
{
int sPointCount = multiPoint.PointCount;
for (int i = 0; i < sPointCount; i++)
{
if (IsPointOnPoint(point, (WEPoint)multiPoint.GetPoint(i)))
{
return(true);
}
}
return(false);
}
/// <summary>
/// 判断多点是否部分或完全位于矩形盒内
/// </summary>
/// <param name="multiPoint"></param>
/// <param name="box"></param>
/// <returns></returns>
public static bool IsMultiPointPartiallyWithinBox(WEMultiPoint multiPoint, WERectangle box)
{
WERectangle pointsBox = multiPoint.MBR;
if (!IsTwoBoxesIntersect(pointsBox, box))
{
return(false);
}
int sPointCount = multiPoint.PointCount;
for (int i = 0; i < sPointCount; i++)
{
if (IsPointInBox((WEPoint)multiPoint.GetPoint(i), box)) //某一个点位于矩形盒内即可
{
return(true);
}
}
return(false);
}
/// <summary>
/// 复制多点
/// </summary>
/// <returns></returns>
public override WEGeometry Clone()
{
WEMultiPoint newWEMultiPoint = new WEMultiPoint(_Points.ToArray());
return(newWEMultiPoint);
}
public WEEntityPoint()
{
_FeatureType = FeatureType.WEEntityPoint;
_Geometries = new WEMultiPoint();
}
