public static ElevationTileCollection GetUniqueTilesForRemoval(long dedId, IEnumerable <DownloadedElevationData> allData, ElevationTileCollection tilesToBeRemoved)
{
//Get only tiles, that are not used by another areas
var tilesForRemoval = new List <ElevationTile>();
foreach (var tile in tilesToBeRemoved.AsEnumerable())
{
var doNotRemove = false;
foreach (var anotherDedItem in allData)
{
if (anotherDedItem.Id == dedId)
{//skip deleted item (but it is actually already removed)
continue;
}
var anotherDedTiles = new ElevationTileCollection(new GpsLocation(anotherDedItem.Longitude, anotherDedItem.Latitude, 0), anotherDedItem.Distance);
if (anotherDedTiles.HasElevation(tile.StartLocation, false))
{
doNotRemove = true;
break;
}
}
if (!doNotRemove)
{
tilesForRemoval.Add(tile);
}
}
return(new ElevationTileCollection(tilesForRemoval));
}
public static ElevationTileCollection GetTilesForRemoval(GpsLocation location, int oldDistance, int newDistance)
{
var dedTiles = new ElevationTileCollection(location, newDistance);
var dedTilesOld = new ElevationTileCollection(location, oldDistance);
var tilesForRemoval = new List <ElevationTile>();
foreach (var tile in dedTilesOld.AsEnumerable())
{
if (!dedTiles.HasElevation(tile.StartLocation, false))
{
tilesForRemoval.Add(tile);
}
}
return(new ElevationTileCollection(tilesForRemoval));
}
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);
}
}
private ElevationData GetElevationDataForAngle(ushort angle, GpsLocation myLocation, double maxDistance, ElevationTileCollection etc)
{
var ed = new ElevationData(angle);
for (double d = 500; d < maxDistance; d += Math.Min(100, d / 100))
{
var x = GpsUtils.QuickGetGeoLocation(myLocation, d, angle);
//int size = d < 5000 ? 1 : 3;
int size = Math.Min(((int)d / 20000) + 1, 4);//0-20:1 20-40:2 40-60:3 60-100:4
if (etc.TryGetElevation(x, out var elevation, size))
{
x.Altitude = elevation;
x.Distance = d;
x.Bearing = angle;
x.GetVerticalViewAngle(myLocation);
ed.Add(x);
}
}
return(ed);
}