openalea.phenomenal.calibration.transformations.identity_matrix# openalea.phenomenal.calibration.transformations.identity_matrix()[source]# Return 4x4 identity/unit matrix. >>> I = identity_matrix() >>> numpy.allclose(I, numpy.dot(I, I)) True >>> numpy.sum(I), numpy.trace(I) (4.0, 4.0) >>> numpy.allclose(I, numpy.identity(4)) True
