private static async Task <Osm> GetElementsInBoundingBox(Bounds bounds, NonAuthClient client, int depth = 0, int maxDepth = 3)
{
try
{
return(await client.GetMap(bounds));
}
catch (OsmApiException e)
{
if (!e.Message.Contains("limit is 50000") || depth > maxDepth)
{
throw;
}
Log.LogInformation("Fetch area was too big. Splitting it into smaller pieces and re-trying.");
var tasks = bounds.Quarter().Select(async quarter => await GetElementsInBoundingBox(quarter, client, depth + 1)).ToArray();
Task.WaitAll(tasks);
return(tasks.Select(t => t.Result).Merge());
}
}
