U
    ?h>                     @   s   d Z ddlZddl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ejejgdd Zd	d
 Zej
dddddgdd Zdd Zdd Zej
dddddgdd Zej
ddddgdd Zdd ZdS ) zB
Tests for Rolling Ball Filter
(skimage.restoration.rolling_ball)
    N)data)rolling_ball)ellipsoid_kerneldtypec                 C   sV   dt jd| d }tdd}t||d}t || t |sBt|j|jksRtd S )N   d   r   r   )   5   2   kernel)nponesr   r   allclose
zeros_likeAssertionErrorr   )r   imgr   
background r   ]/var/www/html/venv/lib/python3.8/site-packages/skimage/restoration/tests/test_rolling_ball.pytest_ellipsoid_const   s
    
r   c                  C   s   dt jdtd } t j| d< t j| d< d}t |d  d |d d d t jd d f }t |d	  d |d	 d d d d t jf }t | }t j||d
 |d
 f< t j||d |d f< t|d}t| |dd}t j	| | |ddst
d S )N{   r   r	      r   )r   r   
   r         r   r   r   r   r   T)r   nansafe)Z	equal_nan)r   r   floatnanZarangeZnewaxisr   r   r   r   r   )r   Zkernel_shapexyexpected_imgr   r   r   r   r   test_nan_const   s0    



r&   radiusr   g      @gx&$@r   c                 C   s>   dt jdt jd }t|| d}t || t |s:td S )N   r   r	   r'   )r   r   uint8r   r   r   r   )r'   r   r   r   r   r   test_const_image0   s    r+   c                  C   sn   d} t tdtd\}}t t | d |d  |d  dd }t|dd}t || t |sjtd S )Nr      r   r   r)   )	r   meshgridrangesqrtZclipr   r   r   r   )Zspot_radiusr#   r$   r   r   r   r   r   test_radial_gradient8   s
    (r0   c                  C   sb   t tdtd\} }|d | d  }dt | }d|d< t|dd}t || |s^td S )Nr   r      r   )r   r   r   r)   )r   r-   r.   Z	ones_liker   r   r   )r#   r$   r   r%   r   r   r   r   test_linear_gradientB   s    r2   r   r   g      )@c                 C   sp   t tdtd\}}d| d|  d }d|d< d|d< d|d	< |d }t|| d
}t || |sltd S )Nr   r   r   r   r   #   r      )-      r)   )r   r-   r.   r   r   r   )r'   r#   r$   r   r%   r   r   r   r   test_preserve_peaksN   s    r7   num_threadsc                 C   s6   dt jdt jd }t|d| d t|dd| d d S )Nr(   r   r	   r   )r'   r8   T)r'   r    r8   )r   r   r*   r   )r8   r   r   r   r   test_threads[   s    r9   c                  C   s0   t  d dddf } tdd}t| |d d S )Nr,   r   .)   r   r   r   r   )r   Zcells3dr   r   )imager   r   r   r   	test_ndimd   s    
r<   )__doc__numpyr   ZpytestZskimager   Zskimage.restorationr   Z skimage.restoration.rolling_ballr   markZparametrizer*   Zint32Zfloat16Zfloat32Zfloat64r   r&   r+   r0   r2   r7   r9   r<   r   r   r   r   <module>   s(   




