Example #1
0
        public void testCreate(float dx, float dy)
        {
            controlPointsX.Clear();
            controlPointsY.Clear();
            foreach (PointF p in controlPoints)
            {
                controlPointsX.Add(p.X);
                controlPointsY.Add(p.Y);
            }

            if (dx == 0 && dy == 0)
            {
                path = new Spline.ParametricSpline(controlPointsX.ToArray(), controlPointsY.ToArray(), resolution, out xs, out ys);
            }
            else
            {
                path = new Spline.ParametricSpline(controlPointsX.ToArray(), controlPointsY.ToArray(), resolution, out xs, out ys, dx, dy);
            }


            velocityMap.setLength(path.distance.Last());
            buildMaps();

            PointF p1 = path.Eval(distance[distance.Length - 1]);
            PointF p2 = path.Eval(distance[distance.Length - 2]);

            this.dx = (p2.X - p1.X) / (float)velocityMap.time;
            this.dy = (p2.Y - p1.Y) / (float)velocityMap.time;
        }
Example #2
0
 private void CreateSpline()
 {
     controlPointsX.Clear();
     controlPointsY.Clear();
     foreach (PointF p in controlPoints)
     {
         controlPointsX.Add(p.X);
         controlPointsY.Add(p.Y);
     }
     path = new Spline.ParametricSpline(controlPointsX.ToArray(), controlPointsY.ToArray(), resolution, out xs, out ys);
     velocityMap.setLength(path.distance.Last());
 }
Example #3
0
        public static List <ControlPointSegment> GenSpline(List <ControlPoint> points, List <VelocityPoint> velocityPoints = null)
        {
            double[] xOrig = new double[0];
            List <ControlPointSegment> splineSegments = new List <ControlPointSegment>();

            splineSegments.Clear();

            List <double> xs = new List <double>();
            List <double> ys = new List <double>();

            foreach (ControlPoint point in points)
            {
                xs.Add(point.X);
                ys.Add(point.Y);
            }

            List <CubicSplinePoint> outxs;
            List <CubicSplinePoint> outys;

            spline = new ParametricSpline(xs.ToArray(), ys.ToArray(), 100, out outxs, out outys);
            xOrig  = spline.xSpline.xOrig;

            spline = new ParametricSpline(xs.ToArray(), ys.ToArray(), (int)(spline.length), out outxs, out outys);

            List <double> CPDistances = new List <double>();

            double d = 0.0;

            CPDistances.Add(d);

            for (int i = 0; i < outxs.Last().ControlPointNum + 1; i++)
            {
                for (int x = 1; x < outxs.Count; x++)
                {
                    if (outxs[x].ControlPointNum == i)
                    {
                        d += GetDistance(outxs[x - 1].Y, outys[x - 1].Y, outxs[x].Y, outys[x].Y);
                    }
                }
                CPDistances.Add(d);
            }

            xs.Clear();
            ys.Clear();

            foreach (CubicSplinePoint point in outxs)
            {
                xs.Add(point.Y);
            }

            foreach (CubicSplinePoint point in outys)
            {
                ys.Add(point.Y);
            }

            spline = new ParametricSpline(xs.ToArray(), ys.ToArray(), 100, out outxs, out outys);
            if (velocityPoints == null)
            {
                for (int i = 0; i < outxs.Last().ControlPointNum + 1; i++)
                {
                    ControlPointSegment seg = new ControlPointSegment();

                    for (int x = 0; x < outxs.Count; x++)
                    {
                        if (outxs[x].ControlPointNum == i)
                        {
                            seg.points.Add(new SplinePoint(outxs[x].Y, outys[x].Y, i));
                        }
                    }
                    splineSegments.Add(seg);
                }
            }
            else
            {
                ControlPointSegment seg = new ControlPointSegment();


                int lastControlPointNum = 0;

                for (int i = 0; i < velocityPoints.Count; i++)
                {
                    SplinePoint spoint = spline.Eval(Math.Abs((double)velocityPoints[i].Pos));

                    double distance = Math.Abs((double)velocityPoints[i].Pos);

                    for (int dis = 1; dis < CPDistances.Count; dis++)
                    {
                        if (distance >= CPDistances[dis - 1] && distance <= CPDistances[dis])
                        {
                            spoint.ControlPointNum = dis - 1;
                            seg.PathNum            = points[dis - 1].getGraphIndex();
                            if (spoint.ControlPointNum != lastControlPointNum)
                            {
                                splineSegments.Add(seg);
                                seg = new ControlPointSegment();
                            }
                            seg.points.Add(spoint);
                            lastControlPointNum = dis - 1;
                        }
                        if (distance >= CPDistances[dis] && dis == CPDistances.Count - 1)
                        {
                            seg.points.Add(spoint);

                            //we add any of the points that over shoot the last distance point by just a little because
                            //we have an error somewhere but the ending error is less then 5mm less than the accuracy of
                            //the robot anyways so.
                        }
                    }
                }

                seg.PathNum = points[CPDistances.Count - 1].getGraphIndex();
                splineSegments.Add(seg);
            }
            return(splineSegments);
        }