private void WriteBuf(ulong[] buf, int id)
{
Array.Sort(buf);
var name = GetName(id);
SpatialData.WriteSequence(buf, name);
FileWritten(id, 0);
}
private void Merge(int level, int[] fileIds, int resultFileId)
{
var source = CreateMergedSource(fileIds);
SpatialData.WriteSequence(source, GetName(resultFileId));
FileWritten(resultFileId, level);
foreach (var fileId in fileIds)
{
File.Delete(GetName(fileId));
}
}