U
    ?hd                     @   s   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gdd Zdd	 Zd
d Zej	
dejejejejgdd Zdd Zdd Zdd Zdd Zdd ZdS )    N)assert_array_equal)_supported_float_type)	chan_vesedtypec                 C   s   t jd| d}d|ddddf< t jdd| d}t|dd|d	}t|tt d t|dd| d	}t|tt d d S )
N
   r   r                      MbP?mutolinit_level_set)npzerosfullr   r   astypefloatones)r   imglsresult r   [/var/www/html/venv/lib/python3.8/site-packages/skimage/segmentation/tests/test_chan_vese.pytest_chan_vese_flat_level_set	   s    r   c                  C   sB   t d} d| ddddf< t| dddd}t|t|  d S )	Nr   r	   r
   r   r   r   z
small diskr   )r   r   r   r   r   r   r   r   r   r   r   #test_chan_vese_small_disk_level_set   s    
r    c                  C   s@   t d} d| ddddf< t| dddt}t||  d S )Nr   r	   r
   r   r   :0yE>)r   r   )r   r   r   r   r   r   r   r   r   r   test_chan_vese_simple_shape!   s    
r"   c                    s|   t jd| d}d|ddddf< t|dddd	}t|  |d j ksLtt fd
d|d D sjttt|d d S )Nr   r   r	   r
   r   r   r!   T)r   r   Zextended_outputc                 3   s   | ]}|j  kV  qd S )Nr   ).0ZarrZfloat_dtyper   r   	<genexpr>1   s     z1test_chan_vese_extended_output.<locals>.<genexpr>   )	r   r   r   r   r   AssertionErrorallr   len)r   r   r   r   r$   r   test_chan_vese_extended_output(   s    r*   c                  C   s   t d} t dddddgdddddgdddddgdddddgdddddgg| ddddf< |  }d|d< t|dddd	d
dt}t||  d S )Nr   r   r	   r   )   r
   g333333?r   d   r   diskr   r   Zmax_num_iterdtr   )r   r   arraycopyr   r   r   r   refr   r   r   r   r   test_chan_vese_remove_noise5   s    
r4   c               	   C   s<   t d} t d}tt t| d|d W 5 Q R X d S )N)r   r   r
   r   	   r   r   r   r   r   pytestZraises
ValueErrorr   r   r   r   r   r   #test_chan_vese_incorrect_image_typeC   s    

r<   c                  C   sj   t d} t d| ddd d f< |  }t d|d d df< t|ddd	d	d
dt}t||  d S )N)   r=   )   r=   r+      r=   r   gffffff?r   r   r-   r.   )r   r   r   r1   r   r   r   r   r2   r   r   r   test_chan_vese_gap_closingJ   s    
r@   c               	   C   s`   t d} t d}tt t| d|d W 5 Q R X tt t| ddd W 5 Q R X d S )Nr   r5   r   r7   ar8   r;   r   r   r   "test_chan_vese_incorrect_level_setT   s    

rB   c                  C   s>   t d} t jdd}|dk}t| dd|d}t|| d S )Nr   r   r   r   r   )r   r   randomZrandr   r   )r   Z	level_setr3   r   r   r   r   test_chan_vese_blank_image]   s
    
rD   )numpyr   r9   Znumpy.testingr   Zskimage._shared.utilsr   Zskimage.segmentationr   markZparametrizeZfloat32Zfloat64r   r    r"   Zuint8Zfloat16r*   r4   r<   r@   rB   rD   r   r   r   r   <module>   s$   
 


	