Files
scikit-image/skimage/exposure/unwrap.py
T
Jostein Bø Fløystad d2fb06fa3b unwrap: Whitespace fixes.
2013-11-22 10:42:28 +01:00

36 lines
1.4 KiB
Python

import numpy as np
def unwrap(wrapped_array,
wrap_around_axis_0 = False,
wrap_around_axis_1 = False,
wrap_around_axis_2 = False):
wrapped_array = np.require(wrapped_array, np.float32, ['C'])
if wrapped_array.ndim not in [2,3]:
raise ValueError('input array needs to have 2 or 3 dimensions')
wrapped_array_masked = np.ma.asarray(wrapped_array)
unwrapped_array = np.empty_like(wrapped_array_masked.data)
if wrapped_array.ndim == 2:
import _unwrap_2d
_unwrap_2d._unwrap2D(wrapped_array_masked.data,
np.ma.getmaskarray(wrapped_array_masked).astype(np.uint8),
unwrapped_array,
bool(wrap_around_axis_0), bool(wrap_around_axis_1))
elif wrapped_array.ndim == 3:
import _unwrap_3d
_unwrap_3d._unwrap3D(wrapped_array_masked.data,
np.ma.getmaskarray(wrapped_array_masked).astype(np.uint8),
unwrapped_array,
bool(wrap_around_axis_0), bool(wrap_around_axis_1), bool(wrap_around_axis_2))
if np.ma.isMaskedArray(wrapped_array):
return np.ma.array(unwrapped_array, mask = wrapped_array_masked.mask)
else:
return unwrapped_array
#TODO: set_fill to minimum value
#TODO: check for empty mask, not a single contiguous pixel