public List <MWPoint2D> ExpandWall(MWPoint2D p1, MWPoint2D p2)
{
MWVector2D v = new MWVector2D(p2.X - p1.X, p2.Y - p1.Y);
v = v.Normalize();
MWVector2D n = new MWVector2D(-v.Y, v.X);
return(new List <MWPoint2D>()
{
new MWPoint2D(p1.X + this.WallThickness / 1e3 / 2 * (+n.X - v.X), p1.Y + this.WallThickness / 1e3 / 2 * (+n.Y - v.Y)),
new MWPoint2D(p1.X + this.WallThickness / 1e3 / 2 * (-n.X - v.X), p1.Y + this.WallThickness / 1e3 / 2 * (-n.Y - v.Y)),
new MWPoint2D(p2.X + this.WallThickness / 1e3 / 2 * (-n.X + v.X), p2.Y + this.WallThickness / 1e3 / 2 * (-n.Y + v.Y)),
new MWPoint2D(p2.X + this.WallThickness / 1e3 / 2 * (+n.X + v.X), p2.Y + this.WallThickness / 1e3 / 2 * (+n.Y + v.Y)),
});
}
public void ProcessColumns()
{
for (int i = 0; i < PicColumns?.Count; i++)
{
RotatedRect rect = CvInvoke.MinAreaRect(PicColumns[i].Select(p => new PointF((float)p.X, (float)p.Y)).ToArray());
var corners = rect.GetVertices().Select(p => new MWPoint2D(p.X, p.Y)).ToList();
double l1 = Points.Distance(corners[0], corners[1]);
double l2 = Points.Distance(corners[1], corners[2]);
List <MWPoint2D> newPoints = new List <MWPoint2D>();
MWPoint2D center = new MWPoint2D(0.5 * (corners[0].X + corners[2].X), 0.5 * (corners[0].Y + corners[2].Y));
ColumnDims cd;
MWVector2D v;
if (l1 > l2)
{
double ratio = l1 / l2;
cd = ColDims.Aggregate(ColDims[0], (closest, next) =>
Math.Abs(ratio - next.Ratio) < Math.Abs(ratio - closest.Ratio) ? next : closest);
v = new MWVector2D(corners[1].X - corners[0].X, corners[1].Y - corners[0].Y);
}
else
{
double ratio = l2 / l1;
cd = ColDims.Aggregate(ColDims[0], (closest, next) =>
Math.Abs(ratio - next.Ratio) < Math.Abs(ratio - closest.Ratio) ? next : closest);
v = new MWVector2D(corners[2].X - corners[1].X, corners[2].Y - corners[1].Y);
}
double L = Math.Max(cd.D1, cd.D2) / 1e3;
double W = Math.Min(cd.D1, cd.D2) / 1e3;
v = v.Normalize();
MWVector2D n = new MWVector2D(-v.Y, v.X);
newPoints.Add(new MWPoint2D(+0.5 * L * v.X + 0.5 * W * n.X, +0.5 * L * v.Y + 0.5 * W * n.Y));
newPoints.Add(new MWPoint2D(+0.5 * L * v.X - 0.5 * W * n.X, +0.5 * L * v.Y - 0.5 * W * n.Y));
newPoints.Add(new MWPoint2D(-0.5 * L * v.X - 0.5 * W * n.X, -0.5 * L * v.Y - 0.5 * W * n.Y));
newPoints.Add(new MWPoint2D(-0.5 * L * v.X + 0.5 * W * n.X, -0.5 * L * v.Y + 0.5 * W * n.Y));
Columns.Add(new Column()
{
RawCenter = center,
SectionPoints = newPoints
});
}
RescaleColumns();
}
