Plot the shape of a tracked whisker at a given time point.

gistfile1.matlab

w = LoadWhiskers('trial.whiskers');
measurements = LoadMeasurements('trial.measurements');

whisker_id=0;  % the tracked whisker of interest
frame_id=100;  % the time point of interest

times    = [measurements(:).fid];
names    = [measurements(:).label];
curveids = [measurements(:).wid];

%% Query the measurements to find curves
%  that match the whisker id and time of interest
mask=(names==whisker_id).*(times==frame_id);
t = times(mask);    
c = curveids(mask);
% there should be only one match
% but just in case, just take the first one
t=t(1);
c=c(1);

%% Find the corresponding curve in the whisker's data
idx=find(([w(:).id]==c).*([w(:).time]==t),1,'first');
plot(w(idx).x,w(idx).y));