public bool TryGetDistanceBetweenResidues(int pos1, int pos2, out double distance)
{
distance = double.MaxValue;
foreach (Dictionary <int, Residue> model in _models)
{
if (model.ContainsKey(pos1) && model.ContainsKey(pos2))
{
distance = Math.Min(distance, Residue.Distance(model[pos1], model[pos2]));
}
}
return(distance != double.MaxValue);
}