o
    :ήc0                     @   s   d dl Zd dlZd dlmZ d dlmZ d dlmZm	Z	m
Z
mZ dd Zdd Zd	d
 Zdd Zdd Zdd Zdd Zdd Zdd ZdS )    N)assert_array_equal)expected_warnings)disk_level_setinverse_gaussian_gradientmorphological_chan_vese%morphological_geodesic_active_contourc                  C   s4   t jddddf } | d d}t | d S )N      r   
   )npmgridsumexp)coordssqrdistances r   R/tmp/pip-target-vg8gfxp4/lib/python/skimage/segmentation/tests/test_morphsnakes.pygaussian_blob   s   r   c                  C   s   t d} t d}tt t| d|d W d    n1 s!w   Y  tt t| d|d W d    d S 1 s>w   Y  d S )N)r   r      )r   	      num_iterinit_level_setr   zerospytestraises
ValueErrorr   r   imglsr   r   r   &test_morphsnakes_incorrect_image_shape      

"r#   c                  C   s   t d} t d}tt t| d|d W d    n1 s!w   Y  tt t| d|d W d    d S 1 s>w   Y  d S )N)   r%   r%   r%   r   r   r   r    r   r   r   test_morphsnakes_incorrect_ndim   r$   r&   c                  C   s   t d} t| jddd}t j| jt jd}t j| jt jd}t| d|d}t|| t| d|d}t|| t| d|dd	d
d}t|| |j	|j	  krZ|j	  krZt jks]J  J d S )N   r(      r*   r   centerradiusdtyper	   r   r   r   )r   r   balloon	threshold	smoothing)
r   r   r   shapeint8onesr   r   r   r/   )r!   r"   	ref_zerosref_onesacwe_lsgac_lsgac_ls2r   r   r   test_morphsnakes_black(   s"   



2r<   c                  C   s   t d} t| jddd}t j| jt jd}tdg t| d|d}W d    n1 s-w   Y  t|| tdg t| d|d}W d    n1 sNw   Y  t|| d S )	Nr'   r)   r   r+   r.   z%`iterations` is a deprecated argumentr	   )
iterationsr   )	r   r   r   r4   r5   r   r   r   r   )r!   r"   r7   r9   r:   r   r   r   -test_morphsnakes_iterations_kwarg_deprecation?   s   

r>   c                  C   sr   t  } t| jddd}t| jddd}t| d|d}t| d|d}t|| |j|j  kr4tjks7J  J d S )Nr)   r   r+   r	   r   r   )r   r   r4   r   r   r/   r   r5   )r!   ls1ls2acwe_ls1acwe_ls2r   r   r   'test_morphsnakes_simple_shape_chan_veseO   s   
&rC   c                  C   s   t ddddt} t| ddd}t | jddd}tjg d	g d	g d
g dg dg dg dg dg d
g d	g d	gtjd}t|d|dd}t	|| |j
tjksWJ d S )Nr'   r)   g      @r+   g      $@g      ?)alphasigmar	   )r   r   r   r   r   r   r   r   r   r   r   )r   r   r   r   r   r   r   r   r   r   r   )r   r   r   r   r   r   r   r   r   r   r   )r   r   r   r   r   r   r   r   r   r   r   r.   r   r0   )r   r   r1   )r   astypefloatr   r4   r   arrayr5   r   r   r/   )r!   gimgr"   refr:   r   r   r   5test_morphsnakes_simple_shape_geodesic_active_contour\   s.   

rK   c                  C   s   t d} t| dd}t jg dg dg dg dg dg dgt jd}t| dd}t jg dg d	g d
g d
g d
g d	gt jd}t|| t|| d S )N)r	   r	   r   checkerboard)r   r   r   r   r   r   )r   r   r   r   r   r   r.   disk)r   r   r   r   r   r   )r   r   r   r   r   r   )r   r   r   r   r   r   )r   r   r   rH   r5   r   r   )imagecheckerboard_lscheckerboard_refdisk_lsdisk_refr   r   r   test_init_level_setsu   s.   



rS   c                     s~   t d} g   fdd}t| dd|d} d dksJ | dks%J t d d	  d
d  D ]
\}}||ks<J q2d S )N)   rT   rT   c                    s     |   d S )N)appendr   )x	evolutionr   r   callback   s   z%test_morphsnakes_3d.<locals>.callbackr*   rM   )iter_callbackr   Q   r0   r   )r   r   r   r   zip)rN   rY   r"   v1v2r   rW   r   test_morphsnakes_3d   s   
"r_   )numpyr   r   numpy.testingr   skimage._shared._warningsr   skimage.segmentationr   r   r   r   r   r#   r&   r<   r>   rC   rK   rS   r_   r   r   r   r   <module>   s    