recolo.deflectomerty.grid_method.disp_from_phases_single_component

recolo.deflectomerty.grid_method.disp_from_phases_single_component(phase, phase0, grid_pitch, unwrap=True)

Determine the displacement of every pixel based on the phase modulation in two configurations, see [1] for more details.

phasendarray

The phase modulation field in the deformed configuration as complex numbers

phase0ndarray

The phase modulation field in the deformed configuration as complex numbers

grid_pitchint

The grid pitch in pixels

unwrapbool

Perform phase unwrapping using [2].

dispndarray

The displacement field

1

Michel Grediac, Frédéric Sur, Benoît Blaysat. The grid method for in-plane displacement and

strain measurement: a review and analysis. Strain, Wiley-Blackwell, 2016, 52 (3), pp.205-243. ff10.1111/str.12182ff. ffhal-01317145f

[2] Miguel Arevallilo Herraez, David R. Burton, Michael J. Lalor, and Munther

A. Gdeisat, “Fast two-dimensional phase-unwrapping algorithm based on sorting by reliability following a noncontinuous path”, Journal Applied Optics, Vol. 41, No. 35 (2002) 7437,