MissionPlanner.ElevationProfile.ElevationProfile_Load C# (CSharp) Method

        private void ElevationProfile_Load(object sender, EventArgs e)
        {
            if (planlocs.Count <= 1)
            {
                this.Close();
                return;
            }
            // GE plot
            double a = 0;
            double increment = (distance/(float)(gelocs.Count - 1));

            foreach (PointLatLngAlt geloc in gelocs)
            {
                if (geloc == null)
                    continue;

                list2.Add(a, geloc.Alt);

                Console.WriteLine("GE " + geloc.Lng + "," + geloc.Lat + "," + geloc.Alt);

                a += increment;
            }

            // Planner Plot
            a = 0;
            int count = 0;
            PointLatLngAlt lastloc = null;
            foreach (PointLatLngAlt planloc in planlocs)
            {
                if (planloc == null)
                    continue;

                if (lastloc != null)
                {
                    a += planloc.GetDistance(lastloc);
                }

                // deal with at mode
                if (altmode == GCSViews.FlightPlanner.altmode.Terrain)
                {
                    list1 = list4terrain;
                    break;
                }
                else if (altmode == GCSViews.FlightPlanner.altmode.Relative)
                {
                    // already includes the home alt
                    list1.Add(a, (planloc.Alt/CurrentState.multiplierdist), 0, planloc.Tag);
                }
                else
                {
                    // abs
                    // already absolute
                    list1.Add(a, (planloc.Alt/CurrentState.multiplierdist), 0, planloc.Tag);
                }

                lastloc = planloc;
                count++;
            }
            // draw graph
            CreateChart(zg1);
        }