Method diff

imagepy/core/roi/roi.py:32–33

(self, roi)

        return shape2roi(roi2shape(roi).union(roi2shape(self)))
        
    def diff(self, roi):
        return shape2roi(roi2shape(self).difference(roi2shape(roi)))

    def affine(self, m, o):
        mat = [m[0,0], m[0,1], m[1,0], m[1,1], o[0], o[1]]