sc_add_to_cluster_from_any.m

function features=add_to_cluster_from_any(features,i,s_opt,featureselects)


[px,py] =sc_getpolygon(features,features.colors(i,:));


% only visible ones
use=zeros(1,numel(features.ts));

for j=1:features.Nclusters
    if features.clustervisible(j)
        incluster=find(features.clusters==j );
        use(incluster)=1;
    end;
end;


notassigned=find(use); % just select from all
   

dX=features.data(features.featureselects(1),notassigned);
dY=features.data(features.featureselects(2),notassigned);

if ~s_opt.mex_intersect
    in = inpolygon(dX,dY,px,py); % slow matlab method
else
    % WAY faster Fast InPolygon detection MEX by Guillaume JACQUENOT
    % from http://www.mathworks.com/matlabcentral/fileexchange/20754-fast-inpolygon-detection-mex
    in = InPolygon(dX,dY,px,py);
end;

features.clusters_undo=features.clusters;
features.clusters(notassigned(in))=i;

% if we're adding from all to noise, also zoom in to fit all visible
if i==2
     features=sc_zoom_all(features);
end;