function model = mttCountObjects(model)
object_names = mttGetFieldNames(model,'obj') ;
number_of_objects = length(object_names) ;
model.count.obj = number_of_objects ;
model.count.cr = 0 ;
for i = 1:number_of_objects
object_name = object_names{i} ;
object = getfield(model,'obj',object_name) ;
if ~isempty(object.cr)
model.count.cr = model.count.cr + 1 ;
end
if isfield(object,'obj')
next = mttCountObjects(object) ;
model.count.obj = model.count.obj + next.count.obj ;
model.count.cr = model.count.cr + next.count.cr ;
end
end