private void CalculateDownloadSize(Poi poi)
{
string text = "";
bool enableDownloadButton = false;
if (poi?.Id >= (long)PoiId.FIRST_VALID_ID || poi?.Id == (long)PoiId.CURRENT_LOCATION)
{
float size;
var newDistance = GetDownloadDistance();
if (_oldDedItem == null || newDistance > _oldDedItem.Distance)
{
var gpsLocation = new GpsLocation(poi.Longitude, poi.Latitude, poi.Altitude);
var etc = new ElevationTileCollection(gpsLocation, newDistance);
size = etc.GetSizeToDownload();
text = String.Format(Resources.GetText(Resource.String.DownloadED_ExpectedSizeDownload), $"{size:F1}");
enableDownloadButton = true;
}
else if (newDistance < _oldDedItem.Distance)
{
var location = new GpsLocation(_oldDedItem.Longitude, _oldDedItem.Latitude, 0);
var tilesToBeRemovedAll = ElevationTileCollection.GetTilesForRemoval(location, _oldDedItem.Distance, newDistance);
var tilesToBeRemovedUnique = ElevationTileCollection.GetUniqueTilesForRemoval(_oldDedItem.Id, _allElevationData, tilesToBeRemovedAll);
size = tilesToBeRemovedUnique.GetSize() / 1024f / 1024f;
text = String.Format(Resources.GetText(Resource.String.DownloadED_ExpectedSizeRemove), $"{size:F1}");
enableDownloadButton = true;
}
}
FindViewById <TextView>(Resource.Id.textViewDownloadSize).Text = text;
FindViewById <Button>(Resource.Id.buttonSave).Enabled = enableDownloadButton;
}
private void DeleteElevationTiles(DownloadedElevationData ded)
{
var dedTiles = new ElevationTileCollection(new GpsLocation(ded.Longitude, ded.Latitude, 0), ded.Distance);
Task.Run(async() =>
{
var downloadedElevationData = await AppContext.Database.GetDownloadedElevationDataAsync();
var tilesToBeRemoved = ElevationTileCollection.GetUniqueTilesForRemoval(ded.Id, downloadedElevationData, dedTiles);
tilesToBeRemoved.Remove();
});
}
private void RemoveElevationData(DownloadedElevationData ded, int oldDedDistance)
{
var location = new GpsLocation(ded.Longitude, ded.Latitude, 0);
var tilesToBeRemovedAll = ElevationTileCollection.GetTilesForRemoval(location, oldDedDistance, ded.Distance);
var tilesToBeRemovedUnique = ElevationTileCollection.GetUniqueTilesForRemoval(ded.Id, _allElevationData, tilesToBeRemovedAll);
tilesToBeRemovedUnique.Remove();
var edd = new ElevationDataDownload(new GpsLocation(ded.Longitude, ded.Latitude, 0), ded.Distance);
ded.SizeInBytes = edd.GetSize();
AppContext.DownloadedElevationDataModel.UpdateItem(ded);
Finish();
}
protected override bool RunInBackground(params string[] @command)
{
try
{
OnStageChange?.Invoke(Resource.String.Download_Progress_FetchingElevationTilesList, 1);
var file = GpxFileProvider.GetFile(GpxFileProvider.GetUrl(_source.Url));
OnProgressChange?.Invoke(1);
var elevationMap = JsonConvert.DeserializeObject <ElevationMap>(file);
_elevationTileCollection = new ElevationTileCollection(elevationMap);
if (@command[0] == COMMAND_DOWNLOAD)
{
OnStageChange?.Invoke(Resource.String.Download_Progress_DownloadingElevationData, _elevationTileCollection.GetCountToDownload());
if (!_elevationTileCollection.Download(progress => { OnProgressChange(progress); }))
{
OnError?.Invoke(_elevationTileCollection.GetErrorList());
return(false);
}
return(true);
}
if (@command[0] == COMMAND_REMOVE)
{
OnStageChange?.Invoke(Resource.String.Download_Progress_RemovingElevationData, 1);
return(_elevationTileCollection.Remove());
}
return(false);
}
catch (Exception ex)
{
OnError?.Invoke(ExceptionHelper.Exception2ErrorMessage(ex));
return(false);
}
}
public void CalculateProfile()
{
GpsUtils.BoundingRect(_myLocation, _visibility * 1000, out var min, out var max);
_data = new List <GpsLocation>();
string inputFileName = @"c:\Temp\ElevationMap\ALPSMLC30_N049E018_DSM.tif";
GeoTiffReaderList.ReadTiff(inputFileName, min, max, _myLocation, 3, _data);
//Calculate old profile
/*ElevationProfile ep = new ElevationProfile();
* ep.GenerateElevationProfile(_myLocation, _visibility, _data, progress => { });
* elevationProfileOld = ep.GetProfile();*/
//Calucate new profile
var etc = new ElevationTileCollection(_myLocation, (int)_visibility);
var d = etc.GetSizeToDownload();
etc.Download(progress => { });
etc.Read(progress => { });
profileGenerator.Generate(_myLocation, 12, etc, progress => { });
/*ProfileGeneratorOld ep2 = new ProfileGeneratorOld();
* //ep2.GenerateElevationProfile3(_myLocation, _visibility, _data, progress => { });
* ep2.GenerateElevationProfile3(_myLocation, _visibility, elevationPainter3.list, progress => { });
* elevationProfileNew = ep2.GetProfile();*/
ElevationProfile ep3 = new ElevationProfile();
ep3.GenerateElevationProfile3(_myLocation, _visibility, profileGenerator.GetProfile(), progress => { });
elevationProfileNew = ep3.GetProfile();
Invalidate();
}
public ElevationCalculation(GpsLocation myLocation, int maxDistance)
{
MyLocation = myLocation;
MaxDistance = maxDistance;
_elevationTileCollection = new ElevationTileCollection(MyLocation, (int)MaxDistance);
}
public ElevationDataDownload(GpsLocation myLocation, int maxDistance)
{
MyLocation = myLocation;
MaxDistance = maxDistance;
_elevationTileCollection = new ElevationTileCollection(MyLocation, (int)MaxDistance);
}
