/***To check whether the point is in a line segment***/
public bool InLine(CLineSegment lineSegment)
{
bool bInline = false;
double Ax, Ay, Bx, By, Cx, Cy;
Bx = lineSegment.EndPoint.X;
By = lineSegment.EndPoint.Y;
Ax = lineSegment.StartPoint.X;
Ay = lineSegment.StartPoint.Y;
Cx = this.m_dCoordinate_X;
Cy = this.m_dCoordinate_Y;
double L = lineSegment.GetLineSegmentLength();
double s = Math.Abs(((Ay - Cy) * (Bx - Ax) - (Ax - Cx) * (By - Ay)) / (L * L));
if (Math.Abs(s - 0)
< ConstantValue.SmallValue)
{
if ((SamePoints(this, lineSegment.StartPoint)) ||
(SamePoints(this, lineSegment.EndPoint)))
{
bInline = true;
}
else if ((Cx < lineSegment.GetXmax()) && (Cx > lineSegment.GetXmin()) && (Cy < lineSegment.GetYmax()) &&
(Cy > lineSegment.GetYmin()))
{
bInline = true;
}
}
return(bInline);
}
/***To check whether the point is in a line segment***/
public bool InLine(CLineSegment lineSegment)
{
bool bInline = false;
double Ax, Ay, Bx, By, Cx, Cy;
Bx = lineSegment.EndPoint.X;
By = lineSegment.EndPoint.Y;
Ax = lineSegment.StartPoint.X;
Ay = lineSegment.StartPoint.Y;
Cx = this.m_dCoordinate_X;
Cy = this.m_dCoordinate_Y;
double L = lineSegment.GetLineSegmentLength();
double s = Math.Abs(((Ay - Cy)*(Bx - Ax) - (Ax - Cx)*(By - Ay))/(L*L));
if (Math.Abs(s - 0)
< ConstantValue.SmallValue) {
if ((SamePoints(this, lineSegment.StartPoint))
|| (SamePoints(this, lineSegment.EndPoint))) {
bInline = true;
}
else if ((Cx < lineSegment.GetXmax()) && (Cx > lineSegment.GetXmin()) && (Cy < lineSegment.GetYmax())
&& (Cy > lineSegment.GetYmin())) {
bInline = true;
}
}
return bInline;
}
