The data keyword argument when calling pcolor cannot be used to pass the xy-coordinates and bin values. From the online documentation, the data keyword should be able to replace "any positional or ...

contourImage2.m: hack to work around Matlab R2014b/R2015a removal of contour(), contourf() and contour3() handle graphics children that formerly could be used to move contours into a 3-D plot. This ...