示例#1
0
        public WPoint2D IntersectWith(WLine2D other)
        {
            if (this.IsParallelTo(other))
            {
                return(null);
            }

            WPoint2D  p = this.StartPoint;
            WPoint2D  q = other.StartPoint;
            WVector2D r = this.StartPoint.VectorTo(this.EndPoint);
            WVector2D s = other.StartPoint.VectorTo(other.EndPoint);
            double    t = (q - p).CrossProduct(s) / (r.CrossProduct(s));

            return(p + t * r);
        }
示例#2
0
 /// 判断该线是否与另一条线在一定的角度公差范围内平行
 /// Checks to determine whether or not two lines are parallel to each other within a specified angle tolerance
 /// </summary>
 /// <param name="other">The other line to check this one against</param>
 /// <param name="angleTolerance">If the angle between line directions is less than this value, the method returns true</param>
 /// <returns>True if the lines are parallel within the angle tolerance, false if they are not</returns>
 public bool IsParallelTo(WLine2D other, Angle angleTolerance)
 {
     return(this.Direction.IsParallelTo(other.Direction, angleTolerance));
 }
示例#3
0
 /// 判断该线是否与另一条线平行
 /// Checks to determine whether or not two lines are parallel to each other, using the dot product within
 /// the double precision specified in the MathNet.Numerics package.
 /// </summary>
 /// <param name="other">The other line to check this one against</param>
 /// <returns>True if the lines are parallel, false if they are not</returns>
 public bool IsParallelTo(WLine2D other)
 {
     return(this.Direction.IsParallelTo(other.Direction, WGeos2D_Paras.E_Angle));
 }