private List <PerimeterLineSegment> GetRotatedSegments(List <PerimeterLineSegment> adjustedSegments, double thetaRad)
{
List <PerimeterLineSegment> RotatedSegments = new List <PerimeterLineSegment>();
if (ColumnType == PunchingPerimeterConfiguration.CornerLeftBottom ||
ColumnType == PunchingPerimeterConfiguration.CornerLeftTop ||
ColumnType == PunchingPerimeterConfiguration.CornerRightBottom ||
ColumnType == PunchingPerimeterConfiguration.CornerRightTop)
{
List <PerimeterLineSegment> RotatedSegmentsInLocalAxis = new List <PerimeterLineSegment>();
foreach (var seg in adjustedSegments)
{
Point2D pi = GetRotatedPoint(seg.PointI, thetaRad);
Point2D pj = GetRotatedPoint(seg.PointJ, thetaRad);
PerimeterLineSegment newSeg = new PerimeterLineSegment(pi, pj);
RotatedSegments.Add(newSeg); //flip X and Y coordinates
}
}
else
{
RotatedSegments = adjustedSegments;
}
return(RotatedSegments);
}
private List <PerimeterLineSegment> AdjustSegments(Point2D cen)
{
List <PerimeterLineSegment> movedSegments = new List <PerimeterLineSegment>();
foreach (var s in Segments)
{
PerimeterLineSegment adjustedSeg = new PerimeterLineSegment(
new Point2D(s.PointI.X - cen.X, s.PointI.Y - cen.Y),
new Point2D(s.PointJ.X - cen.X, s.PointJ.Y - cen.Y)
);
movedSegments.Add(adjustedSeg);
}
if (this.ColumnType == PunchingPerimeterConfiguration.CornerLeftBottom ||
this.ColumnType == PunchingPerimeterConfiguration.CornerLeftTop ||
this.ColumnType == PunchingPerimeterConfiguration.CornerRightBottom ||
this.ColumnType == PunchingPerimeterConfiguration.CornerRightTop
)
{
double J_x_bar = GetJx(movedSegments);
double J_y_bar = GetJy(movedSegments);
double J_xy_bar = GetJxy(movedSegments);
//421.1R-13 Equation (B-10)
double theta = Math.Atan(-2.0 * J_xy_bar / (J_x_bar - J_y_bar));
//Calculate rotated coordinates per B-12 and B-13
List <PerimeterLineSegment> rotatedSegments = new List <PerimeterLineSegment>();
foreach (var s in movedSegments)
{
PerimeterLineSegment rotatedSeg = new PerimeterLineSegment(
new Point2D(s.PointI.X * Math.Cos(theta) + s.PointI.Y * Math.Sin(theta), -s.PointI.X * Math.Sin(theta) + s.PointI.Y * Math.Cos(theta)),
new Point2D(s.PointJ.X * Math.Cos(theta) + s.PointJ.Y * Math.Sin(theta), -s.PointJ.X * Math.Sin(theta) + s.PointJ.Y * Math.Cos(theta))
);
rotatedSegments.Add(rotatedSeg);
}
return(rotatedSegments);
}
else
{
return(movedSegments);
}
}
