public void Intersect(PrjEnvelope rect)
{
PrjEnvelope result = PrjEnvelope.Intersect(rect, this);
this.MinX = result.MinX;
this.MinY = result.MinY;
this.MaxX = result.MaxX;
this.MaxY = result.MaxY;
}
/// <summary>
/// 计算相交百分比
/// </summary>
/// <param name="validEnv"></param>
/// <returns></returns>
public bool IntersectsRate(PrjEnvelope validEnv, out double validRate)
{
PrjEnvelope intEnv = PrjEnvelope.Intersect(this, validEnv);
if (intEnv.IsEmpty)
{
validRate = 0;
return(false);
}
validRate = (this.Height * this.Width * 1.0) / (intEnv.Height * intEnv.Width);
return(true);
}