corrected copying the datadef from the source PixelIterator (the band that the previous code is looking for isn't there)
corrected copying the datadef from the source PixelIterator (the band that the previous code is looking for isn't there)

ridoo/IlwisCore,ridoo/IlwisCore,ridoo/IlwisCore,ridoo/IlwisCore,ridoo/IlwisCore