function MNK = xyz_or_mnk(Ops,Selected,MNK)
%XYZ_OR_MNK Determine MNK flag for vector components to retrieve.

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T_=1; ST_=2; M_=3; N_=4; K_=5;

for i=5:-1:1
    multiple(i) = (length(Selected{i})>1) | isequal(Selected{i},0);
end

switch Ops.vectorcomponent
    case {'vector (split m,n)'}
        MNK=-1;
    case {'magnitude in plane','m component','n component','normal component','edge normal component','edge tangential component'}
        MNK=1.5;
    case {'vector'}
        if  multiple(K_) && xor(multiple(M_),multiple(N_))
            MNK=1.5;
        end
end
