a
    =b0                     @   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   
   )npZmgridsumZexp)ZcoordsZsqrdistances r   Jlib/python3.9/site-packages/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 sB0    Y  tt t| d|d W d    n1 sz0    Y  d S )N)r   r      )r   	      num_iterinit_level_setr   zerospytestZraises
ValueErrorr   r   imglsr   r   r   &test_morphsnakes_incorrect_image_shape   s    

,r   c                  C   s   t d} t d}tt t| d|d W d    n1 sB0    Y  tt t| d|d W d    n1 sz0    Y  d S )N)   r   r   r   r   r   r   r   r   r   r   test_morphsnakes_incorrect_ndim   s    

,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r|j	  krt jksn J d S )N   r"      r$   r   centerZradiusdtyper	   r   r   r   )r   r   balloonZ	thresholdZ	smoothing)
r   r   r   shapeint8Zonesr   r   r   r(   )r   r   	ref_zerosZref_onesacwe_lsgac_lsZgac_ls2r   r   r   test_morphsnakes_black(   s"    



r0   c                  C   s   t d} t| jddd}t j| jt jd}tdg t| d|d}W d    n1 sZ0    Y  t|| tdg t| d|d}W d    n1 s0    Y  t|| d S )	Nr!   r#   r   r%   r'   z%`iterations` is a deprecated argumentr	   )Z
iterationsr   )	r   r   r   r+   r,   r   r   r   r   )r   r   r-   r.   r/   r   r   r   -test_morphsnakes_iterations_kwarg_deprecation?   s    
,
$r1   c                  C   sp   t  } t| jddd}t| jddd}t| d|d}t| d|d}t|| |j|j  krftjksln J d S )Nr#   r   r%   r	   r   r   )r   r   r+   r   r   r(   r   r,   )r   Zls1Zls2Zacwe_ls1Zacwe_ls2r   r   r   'test_morphsnakes_simple_shape_chan_veseO   s    
r2   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sJ d S )Nr!   r#   g      @r%   g      $@g      ?)ZalphaZsigmar	   )r   r   r   r   r   r   r   r   r   r   r   )r   r   r   r   r   r   r   r   r   r   r   )r   r   r   r   r   r   r   r   r   r   r   )r   r   r   r   r   r   r   r   r   r   r   r'   r   r)   )r   r   r*   )r   Zastypefloatr   r+   r   arrayr,   r   r   r(   )r   Zgimgr   refr/   r   r   r   5test_morphsnakes_simple_shape_geodesic_active_contour\   s.    

r6   c                  C   s   t d} t| dd}t jg dg dg dg dg dg dgt jd}t| dd}t jg dg d	g d
g d
g d
g d	gt jd}t|| t|| d S )N)r	   r	   r   Zcheckerboard)r   r   r   r   r   r   )r   r   r   r   r   r   r'   disk)r   r   r   r   r   r   )r   r   r   r   r   r   )r   r   r   r   r   r   )r   r   r   r4   r,   r   r   )imageZcheckerboard_lsZcheckerboard_refZdisk_lsZdisk_refr   r   r   test_init_level_setsu   s.    



r9   c                     s~   t d} g   fdd}t| dd|d} d dks:J | dksJJ t d d	  d
d  D ]\}}||ksdJ qdd S )N)   r:   r:   c                    s     |   d S )N)appendr   )xZ	evolutionr   r   callback   s    z%test_morphsnakes_3d.<locals>.callbackr$   r7   )Ziter_callbackr   Q   r)   r   )r   r   r   r   zip)r8   r>   r   Zv1Zv2r   r=   r   test_morphsnakes_3d   s    
"rA   )Znumpyr   r   Znumpy.testingr   Zskimage._shared._warningsr   Zskimage.segmentationr   r   r   r   r   r   r    r0   r1   r2   r6   r9   rA   r   r   r   r   <module>   s   