public static Tuple <StandardChunkMetadata, bool> Parse(string x)
{
var parts = x.Split('.');
var split1 = Math.Max(x.IndexOf('n'), x.IndexOf('s'));
var split2 = Math.Max(x.IndexOf('w'), x.IndexOf('e'));
var lat = Angle.Parse(x.Substring(0, split1 + 1));
var lon = Angle.Parse(x.Substring(split1 + 1, split2 - split1));
var zoom = int.Parse(parts[0].Substring(split2 + 1));
bool isImage = (parts[2][0] == 'i');
var template = StandardChunkMetadata.GetRangeContaingPoint(lat, lon, zoom);
var ggg = isImage ?
Imaging.Images.Current.GetFileName(template) :
Elevation.Heights.Current.GetFileName(template);
if (ggg != x)
{
throw new InvalidOperationException();
}
return(new Tuple <StandardChunkMetadata, bool>(template, isImage));
}
public static StandardChunkMetadata ParseBase(string x)
{
var parts = x.Split('.');
var split1 = Math.Max(x.IndexOf('n'), x.IndexOf('s'));
var split2 = Math.Max(x.IndexOf('w'), x.IndexOf('e'));
var lat = Angle.Parse(x.Substring(0, split1 + 1));
var lon = Angle.Parse(x.Substring(split1 + 1, split2 - split1));
var zoom = int.Parse(parts[0].Substring(split2 + 1));
return(StandardChunkMetadata.GetRangeContaingPoint(lat, lon, zoom));
}