public void MarkSegmentOnMap(List <DirectionLineSegment>[,] segmentsCount, int width, int height)
        {
            double angle = DirectionLine.GetAngleBetweenLines(Line, new DirectionLine(new Vector2d(0, 0), new Vector2d(1, 0)));

            if (angle > Math.PI / 4.0 && angle < Math.PI * 3.0 / 4.0)
            {
                int    start = (int)(BeginPoint.Y < EndPoint.Y ? BeginPoint.Y : EndPoint.Y);
                double end   = BeginPoint.Y > EndPoint.Y ? BeginPoint.Y : EndPoint.Y;

                for (int y = start; y < end; y++)
                {
                    int x = (int)Line.GetPointByY(y).X;

                    if (x >= 0 && x < width)
                    {
                        segmentsCount[y, x].Add(this);
                    }
                }
            }
            else
            {
                int    start = (int)(BeginPoint.X < EndPoint.X ? BeginPoint.X : EndPoint.X);
                double end   = BeginPoint.X > EndPoint.X ? BeginPoint.X : EndPoint.X;

                for (int x = start; x < end; x++)
                {
                    int y = (int)Line.GetPointByX(x).Y;

                    if (y >= 0 && y < height)
                    {
                        segmentsCount[y, x].Add(this);
                    }
                }
            }
        }
Example #2
0
            public LineSortHelper(DirectionLine lineSegment)
            {
                this.lineSegment = lineSegment;
                DirectionLine oxLine = new DirectionLine(new Vector2d(0, 0), new Vector2d(1, 0));

                OXAngle = (int)(DirectionLine.GetAngleBetweenLines(lineSegment, oxLine) * tolerance / Math.PI);
            }
Example #3
0
        private List <double> CalculateSegmentPoints()
        {
            List <double> positions = new List <double>();

            int width  = ImageContext.Width;
            int height = ImageContext.Height;

            double angle = DirectionLine.GetAngleBetweenLines(Line, new DirectionLine(new Vector2d(0, 0), new Vector2d(1, 0)));

            byte colorSearch = 0;

            if (angle > Math.PI / 4.0 && angle < Math.PI * 3.0 / 4.0)
            {
                for (int y = 0; y < height; y++)
                {
                    int x = (int)Line.GetPointByY(y).X;

                    if (x >= 0 && x < width)
                    {
                        if (ImageContext.Data[y, x, 0] == colorSearch)
                        {
                            positions.Add(Line.GetPositionOfY(y));
                            colorSearch = (byte)(255 - colorSearch);
                        }
                    }
                }
            }
            else
            {
                for (int x = 0; x < width; x++)
                {
                    int y = (int)Line.GetPointByX(x).Y;

                    if (y >= 0 && y < height)
                    {
                        if (ImageContext.Data[y, x, 0] == colorSearch)
                        {
                            positions.Add(Line.GetPositionOfX(x));
                            colorSearch = (byte)(255 - colorSearch);
                        }
                    }
                }
            }

            return(positions);
        }