o
    :ήc                     @   s   d dl Zd dlZd dlmZmZ d dlmZ d dlm	Z	 d dl
mZ d dlmZ d dlmZ d dlmZ ejd	ejejejgd
d Zejd	ejejgdd Zejd	ejejgdd Zejd	ejejgdd Zdd Zdd Zdd ZdS )    N)assert_equalassert_allclose)data)expected_warnings)_supported_float_type)rgb2gray)gaussian)active_contourdtypec           
   	   C   s   t  }t|}tddtj d}ddt|  }ddt|  }t||gj	}t
|dddj| dd	}t||d
ddddd}|jt| ksLJ g d}g d}	ttj|d ddf tjd| ttj|d ddf tjd|	 d S )Nr        d         Fpreserve_rangecopyQ?
      MbP?)alphabetaw_linew_edgegamma)
b   c   r   e   f   g   h   i   j   l   )
i+  *  r&   r&   r&   )  r'   (  r(   i'  r
   )r   	astronautr   nplinspacepisincosarrayTr   astyper	   r
   r   r   int32)
r
   imgsrcinit
img_smoothsnakerefrrefc r=   [/tmp/pip-target-vg8gfxp4/lib/python/skimage/segmentation/tests/test_active_contour_model.pytest_periodic_reference   s   
"&r?   c           	   
   C   s   t  }tddd}tddd}t||gj}t|dddj| dd	}t||d
dddddd}|j	t
| ks;J g d}g d}ttj|d ddf tjd| ttj|d ddf tjd| d S )N   2   r        r   Fr   r   fixed皙?      ?r   boundary_conditionr   r   r   r   r   
r@                           }   
rB   	                  "   &   *   r   r)   r   textr+   r,   r0   r1   r   r2   r	   r
   r   r   r3   )	r
   r4   r6   r7   r8   image_smoothr:   r;   r<   r=   r=   r>   test_fixed_reference      
"&ra   c           	   
   C   s   t  }tddd}tddd}t||gj}t|dddj| dd	}t||d
dddddd}|j	t
| ks;J g d}g d}ttj|d ddf tjd| ttj|d ddf tjd| d S )NF   (   r   rB   rC   r   Fr   r   freerE   rF   rG   r   rH   )
L   rf   K   J   I   H   G   rc   E   rl   )
r   rV                      $   '   r   r)   r   r^   )	r
   r4   r6   r7   r8   r9   r:   r;   r<   r=   r=   r>   test_free_reference/   rb   ru   c              
   C   sR  t t ddd}tj|jd |jd df| d}tj|jd |jd df| d}tj|jd |jd df| d}||d d d d df< ||d d d d df< |d d d d d f |d d d d d d f< tddd	}td
dd	}t||gj}t	||ddddddd}t
| }	|j|	ksJ g d}
g d}ttj|d ddf tjd|
 ttj|d ddf tjd| t	||ddddddd}|j|	ksJ ttj|d ddf tjd|
 ttj|d ddf tjd| t	||ddddddd}|j|	ksJ ttj|d ddf tjd|
 ttj|d ddf tjd| d S )Nr   Fr   r   r   r)   r@   rA   r   rB   rC   rD   rE   rF   rG   rH   rJ   rT   r   g)r   r   r_   r+   zerosshaper,   r0   r1   r	   r   r
   r   r3   )r
   r4   imgRimgGimgRGBr6   r7   r8   r:   float_dtyper;   r<   r=   r=   r>   test_RGB?   s@      ,
""
"""&r|   c                  C   sJ  t  } t| } tddtj d}ddt|  }ddt|  }t||gj	}t
t| d|ddd	dd
ddd	}tt|dd d f |dd d f  dk sVJ t
t| d|ddd	dd
ddd	}tt|dd d f |dd d f  dksJ t
t| d|ddd	dd
ddd	}t|dd d f |d |d gdd d S )Nr   r   r   r   r   r   periodicr   r   r   r   )rI   r   r   r   r   r   max_num_iterre   rD   gh㈵>)atol)r   r*   r   r+   r,   r-   r.   r/   r0   r1   r	   r   sumabsr   )r4   r5   r6   r7   r8   r:   r=   r=   r>   test_end_points`   s*   44*r   c                  C   s   t d} t ddd}t ddd}t ||gj}tt t| |dd W d    n1 s2w   Y  tt t| |d	d
 W d    n1 sNw   Y  t	dg t| |dd W d    d S 1 skw   Y  d S )N)r   r   r@   rA   r   rB   rC   wrong)rI   i)r~   z)`max_iterations` is a deprecated argument   )max_iterations)
r+   rv   r,   r0   r1   pytestraises
ValueErrorr	   r   )r4   r6   r7   r8   r=   r=   r>   test_bad_inputu   s   
"r   c                  C   s   t t } tddtj d}ddt|  }ddt|  }t||gj	}t
t tt| d|ddd	dd
dddd
 W d    n1 sKw   Y  t
t tt| d|ddd	dd
ddd d
 W d    d S 1 srw   Y  d S )Nr   r   r   r   r   r   r}   r   r   r   r   xy)rI   r   r   r   r   r   r~   coordinates)r   r   r*   r+   r,   r-   r.   r/   r0   r1   r   r   r   r	   r   )r4   r5   xyr8   r=   r=   r>   test_coord_raises   s&   "r   )numpyr+   r   numpy.testingr   r   skimager   skimage._shared._warningsr   skimage._shared.utilsr   skimage.colorr   skimage.filtersr   skimage.segmentationr	   markparametrizefloat16float32float64r?   ra   ru   r|   r   r   r   r=   r=   r=   r>   <module>   s(    



 