function error = dataHandler(ctlData,cmpData, sampleSize)
%DATAHANDLER Read the cells and calculate the error
%   Use the data cells and calculate the error between two data cells

[ctlRowNum, ctlColNum] = size(ctlData);
[cmpRowNum, cmpColNum] = size(cmpData);

assert(ctlColNum == cmpColNum,'Incompatible cell size');
assert(sampleSize <= min(ctlRowNum, cmpRowNum))

ctlMatrix = cell2mat(ctlData);
cmpMarix = cell2mat(cmpData);

error = zeros(sampleSize, 2);

for i = 1:sampleSize
    %转化成四元数矩阵
    ctlCurRow = quat2mat(ctlMatrix(i,5:8));
    cmpCurRow = quat2mat(cmpMarix(i,5:8));
    error(i,:) = calcPoseError(cmpCurRow,ctlCurRow);
end

end