public void GenerateElevationProfile3(GpsLocation myLocation, double visibility, ElevationProfileData elevationData, Action <int> onProgressChange)
{
_elevationProfileData = new ElevationProfileData(myLocation, visibility);
int progress = 0;
foreach (var group in elevationData.GetData())
{
progress++;
onProgressChange(progress);
var points = group.GetPoints()
.Where(i => i.Distance > MIN_DISTANCE && i.Distance < visibility * 1000)
.OrderBy(i => i.Distance);
//Select visible points
List <GpsLocation> tmpVisiblePoints = new List <GpsLocation>();
double maxViewAngle = -90;
foreach (var point in points)
{
if (point.VerticalViewAngle > maxViewAngle)
{
tmpVisiblePoints.Add(point);
maxViewAngle = point.VerticalViewAngle.Value;
}
}
//Change order (now from the furthest to the nearest)
tmpVisiblePoints.Reverse();
//... and ignore points on descending slope
GpsLocation lastPoint = null;
GpsLocation lastAddedPoint = null;
var ed = new ElevationData(group.Angle);
foreach (var point in tmpVisiblePoints)
{
if (lastPoint == null)
{
ed.Add(point);
lastAddedPoint = point;
lastPoint = point;
continue;
}
//TODO: comment-out the folowing if for full rendering
var distanceDiff = lastPoint.Distance.Value - point.Distance.Value;
if (distanceDiff < lastPoint.Distance / 100 + 50)
{
lastPoint = point;
continue;
}
ed.Add(point);
lastAddedPoint = point;
lastPoint = point;
}
_elevationProfileData.Add(ed);
}
}
public void Generate(GpsLocation _myLocation, double maxDistanceKm, ElevationTileCollection etc, Action <int> onProgressChange)
{
_elevationProfileData = new ElevationProfileData(_myLocation, maxDistanceKm);
/*for (ushort angle = 0; angle < 360; angle++)
* {
* onProgressChange(angle);
*
* var ed = new ElevationData(angle);
*
* for (int d = 500; d < 12000; d += 25)
* {
* var x = GpsUtils.QuickGetGeoLocation(_myLocation, d, angle);
* if (etc.TryGetElevation(x, out var elevation, 1))
* {
* x.Altitude = elevation;
* x.Distance = d;
* x.Bearing = angle;
* x.GetVerticalViewAngle(_myLocation);
*
* ed.Add(x);
* }
* }
*
* _elevationProfileData.Add(ed);
* }*/
for (ushort a = 0; a < 360; a++)
{
onProgressChange(a);
var ed = GetElevationDataForAngle(a, _myLocation, maxDistanceKm * 1000, etc);
_elevationProfileData.Add(ed);
}
}