U
    ?hnH                     @   s  d dl Zd dlmZ d dlmZ d dlmZmZ d dl	m
Z
 d dlmZ dZd>dd	Zd?d
dZedejejejgdd Zedejejejgdd Zedejejejgdd Zedejejejgdd Zdd Zdd Zdd Zdd Zedejejgdd Zdd  Zed!d d"d#gedejejgd$d% Zedejejgd&d' Zd(d) Z eed*d+d,d- Z!d.d/ Z"d0d1 Z#d2d3 Z$d4d5 Z%d6d7 Z&d8d9 Z'd:d; Z(d<d= Z)dS )@    N)testing)expected_warnings)xfailarch32)random_walker)resizez
pyamg|\A\Zc                 C   sT  |d kr| }t jd t | |fdt j| |  }t| d }d|| d | | d | |d | |d | f< dt jd| d d| d  || d | d | d | d |d | d |d | d f< d|| d | |d |d  |d |d  f< t |}d|| d |d f< d|| d |d  |d |d  f< ||fS 	Ni  皙?         r         )nprandomseedzerosrandnint
zeros_like)lxlydatasmall_lseeds r   _/var/www/html/venv/lib/python3.8/site-packages/skimage/segmentation/tests/test_random_walker.pymake_2d_syntheticdata   s(     
 
   0
$r   c                 C   s  |d kr| }|d kr| }t jd t | ||fdt j| ||  }t| d }d|| d | | d | |d | |d | |d | |d | f< d|| d | d | d | d |d | d |d | d |d | d |d | d f< t d|d g}d|| d | |d | |d | |d | |d | f< t |}d|| d |d |d f< d|| d |d  |d |d  |d |d  f< ||fS r   )r   r   r   r   r   r   maxr   )r   r   lzr   r   Z	hole_sizer   r   r   r   make_3d_syntheticdata   sP    $
 

 
   
 

 

r    dtypec                 C   sD  d}d}| t jkrdnd}t||\}}|j| dd}t|||dd}|dd	d
df dk sft|j|jksvtt|||ddd}|ddd	d
df |ddd	d
df k st|j|jkstd|d< t|||ddd}|ddd	d
df |ddd	d
df k stt|dks.t|j|jks@td S )NF   d   Z      Fcopybfbetamode-   (   <   r   Tr*   r+   return_full_probr   r      )7   P   )	r   float64r   astyper   allAssertionErrorshapelen)r!   r   r   r*   r   labels	labels_bfZfull_prob_bfr   r   r   
test_2d_bf9   s(     r<   c              	   C   s   d}d}t ||\}}|j| dd}tdg t||ddd}W 5 Q R X |d	d
ddf dk sjt|j|jkszttdg t||dddd}W 5 Q R X |dd	d
ddf |dd	d
ddf k st|j|jkstd S )Nr"   r#   Fr&   	"cg" moder$   cgr)   r%   r,   r-   r.   r   Tr/   r   r   )r   r5   r   r   r6   r7   r8   r!   r   r   r   r:   Z	labels_cg	full_probr   r   r   
test_2d_cgS   s      
rA   c              	   C   s   d}d}t ||\}}|j| dd}dt g}t| t||ddd}W 5 Q R X |d	d
ddf dk stt|j|jkstt| t||dddd}W 5 Q R X |dd	d
ddf |dd	d
ddf k st|j|jkstd S )Nr"   r#   Fr&   zscipy.sparse.sparsetools|r$   cg_mgr)   r%   r,   r-   r.   r   Tr/   r   r   )r   r5   PYAMG_MISSING_WARNINGr   r   r6   r7   r8   )r!   r   r   r   r:   Zanticipated_warningslabels_cg_mgr@   r   r   r   test_2d_cg_mge   s"    
 

rE   c                 C   s   d}d}t ||\}}|j| dd}t||ddd}|dd	d
df dk sTt|j|jksdtt||dddd}|ddd	d
df |ddd	d
df k st|j|jkstd S )Nr"   r#   Fr&   r$   Zcg_jr)   r%   r,   r-   r.   r   Tr/   r   r   )r   r5   r   r6   r7   r8   r?   r   r   r   test_2d_cg_jx   s     4rF   c               	   C   s   d} d}t | |\}}d||   | |   }|tj}ttg t||ddd}W 5 Q R X |ddd	d
f dk	 st
|j|jkst
d S )Nr"   r#      r$   rB   r)   r%   r,   r-   r.   r   )r   minr   r5   r   uint8r   rC   r   r6   r7   r8   )r   r   r   r:   rD   r   r   r   
test_types   s      rJ   c                  C   sf   d} d}t | |\}}d||dk< t||ddd}|dd	d
df dk sRt|j|jksbtd S )Nr"   r#   r   r   r$   r(   r)   r%   r,   r-   r.   )r   r   r6   r7   r8   )r   r   r   r:   r;   r   r   r   test_reorder_labels   s     rK   c                  C   s   d} d}t | |\}}d|ddddf< d|ddd	d
f< t||dd}|| |fddddf dk svt|j|jkstd S )Nr"   r#   
      .   2   !   &   r$   r*   r%   r,   r-   r.   r   )r   r   reshaper6   r7   r8   )r   r   r   r:   r   r   r   test_2d_inactive   s    *rV   c                  C   s   t dddgdddgddd	gg} t d
ddgd
dd
gdd
dgg}t dddgdddgdddgg}t| |dd}t j|| d S )Ni2  i1  i1  iS2  iq4  i#/  i.  i.  i0  r   rL   r   r   rM   rT   )r   Zasarrayr   r   assert_array_equal)r   markersZexpected_labelsr:   r   r   r   test_2d_laplacian_size   s    rY   c              	   C   s   d}|||  }}}t |||\}}|j| dd}tdg t||dd}W 5 Q R X ||jddddddf d	k st|j|jkstd S )
N   Fr&   r=   r>   r+         r   )r    r5   r   r   rU   r8   r6   r7   )r!   nr   r   r   r   r:   r   r   r   test_3d   s    .r_   c               	   C   s   d} | | |   }}}t |||\}}d|ddddddf< tdg t||dd	}W 5 Q R X ||jd
dd
dd
df dk st|j|jkstd S )NrZ   rL   r
   r%         z"cg" mode|CObject typer>   r[   r\   r]   r   )r    r   r   rU   r8   r6   r7   )r^   r   r   r   r   r:   r   r   r   test_3d_inactive   s    .rb   channel_axisr   rL   c              	   C   s   d\}}t ||\}}|j| dd}|dtjf jddd}t|d|}tdd	g t||d
|d}W 5 Q R X t||d}|d j|jkst	tdg t|d |d
d W 5 Q R X |
|jddddf dk st	|d j|jkst	d S )N)r"   r#   Fr&   .r   rL   Zaxisr=    The probability range is outsider>   r+   rc   .r   r[   r%   r,   r-   r.   )r   r5   r   newaxisrepeatZmoveaxisr   r   r8   r7   rU   r6   )r!   rc   r   r   r   r:   multi_labelsr   r   r   test_multispectral_2d   s"    (rk   c           	   	   C   s$  d}|||  }}}t |||\}}|j| dd}|dtjf jddd}tdg t||d	dd
}W 5 Q R X |d j|jksttdg t|d |d	d}W 5 Q R X |	|jddddddf dk
 st|	|jddddddf dk
 s
t|d j|jks td S )NrZ   Fr&   .r   rL   rd   r=   r>   rf   rg   r[   r\   r]   )r    r5   r   rh   ri   r   r   r8   r7   rU   r6   )	r!   r^   r   r   r   r   r:   rj   Zsingle_labelsr   r   r   test_multispectral_3d   s    .0rl   c               	   C   s(  d} | | |   }}}t |||\}}t| | | d f}t|D ]2\}}t|| | d fddd||d d d d f< q@t|d }	t|}
d|
|d |d |d f< d|
|d |	d  |d |	d  |d |	d	  f< td
g t||
ddd}
W 5 Q R X |
ddddddf dk	 s$t
d S )NrZ   r   constantFr+   Zanti_aliasingr
   r   r   r   r=   r>   )      ?ro   g      ?r+   spacingr\   r]      	   )r    r   r   	enumerater   r   r   r   r   r6   r7   )r^   r   r   r   r   _
data_anisoiyzr   labels_anisor   r   r   test_spacing_0   s,    
rz   zKnown test failure on 32-bit platforms. See links for details: https://github.com/scikit-image/scikit-image/issues/3091 https://github.com/scikit-image/scikit-image/issues/3092)	conditionreasonc               	   C   s6  d} | | |   }}}t |||\}}t| | d | f}t|D ]2\}}t|| d | fddd||d d d d f< q@t|d }	t|}
d|
|d |d |d f< d|
|d |	d  ||	d  |d |	d  f< td	g t||
d
dd}
W 5 Q R X |
ddddddf dk	 s t
t| | d | f}t|jd D ]B}t|d d dd d f | d | fddd||d d d d f< qBt|d }	t|}d||d |d |d f< d|||	d  |d |	d  |d |	d  f< td	g t||d
dd}W 5 Q R X |ddddddf dk	 s2t
d S )NrZ   r   rm   Frn   r
   r   r   r=   r>   )ro          @ro   rp   r\   r]   r`   "   )r}   ro   ro   )r    r   r   rt   r   r   r   r   r   r6   r7   ranger8   )r^   r   r   r   r   ru   rv   rw   rx   r   ry   Zlabels_aniso2r   r   r   test_spacing_1  sV    

( 
 r   c               	   C   s  t d} t d}tdg t| |}W 5 Q R X t j|| d|d d d df< t j|dkdt jf |dkdt jf fdd}tdg t| |d	d
}W 5 Q R X t j|| t dd} t 	ddddg}t 	dddddddg}t 
||fD ]\}}d	| | |< qt jdt jd}	|D ]\}}d|	| |< q$d|	| dk< tdg t| |	}
W 5 Q R X t |
|	dk dkstt |
|	dk dksttdg t| |	d	d
}W 5 Q R X d S )NrM   rM   zReturning provided labelsr1   r
   r   .r   rd   Tr0   F)   rr   r   r   rr   rr   )rr   r   )r1   r   )r   r   )r   r   )r1   r   )r   r   )r   r1   r1   r1   r!   rL   r   z!All unlabeled pixels are isolated)r   onesr   r   r   rW   Zconcatenaterh   fullarrayZvstackr   Zint8r6   r7   )imgr:   Zpass_throughexpectedtestZobject_AZobject_BxyrX   Zoutput_labelsr   r   r   test_trivial_casesK  s:    

r   c                  C   sZ   t jd t ddt jjdd  } t jdt jd}d|d< d|d	< t| |d
d d S )N*   r   g?sizer   r   r   r   r   r   )ro   r}   rq   )r   r   r   r   normalr   rI   r   r   r:   r   r   r   test_length2_spacingq  s    r   c               	   C   sT  t d} t d}tt t| | W 5 Q R X tt t| |dd W 5 Q R X t jd t jj	dd} t d
| j}tt t| | W 5 Q R X tt t| |dd W 5 Q R X t jj	dd} t d}d	|d
< d|d< tt t| |dd W 5 Q R X t jj	dd} t d}tt t| |dd W 5 Q R X d S )NrM   rL   )rc   r   )r1   r1   r1   r1   r1   r      r   r   r   r
   r   )r   r   badr[   )r   r   Zaranger   raises
ValueErrorr   r   r   r   rU   r8   r   r   r   r   r   test_bad_inputs|  s.    



r   c               	   C   s   t jd t jd} t | j }d|d< d|dd dd f< d|d< d|d< td	g t| |}W 5 Q R X |d dksttd	g t| |d
d}W 5 Q R X |d dkst|d dkstd S )Nr   r   r   r   r   r1   r   r   r   r   r   re   Tr   r   r   r   r   r   r   r   r   r   r   r8   r   r   r7   amaskresr   r   r   test_isolated_seeds  s    r   c               	   C   s   t jd t jd} t | j }d|d< d|dd dd f< d|d< d|d< td	g t| |}W 5 Q R X |d dksttd	g t| |d
d}W 5 Q R X |d dkst|d dkstd S )Nr   r   r   r1   r   r   r   r   re   Tr   r   r   r   r   r   r   r   test_isolated_area  s    r   c               	   C   s  t jd t jd} t | j }d|d< d|dd dd f< d|d< d|d< td	g t| |d
d}W 5 Q R X t| |d
dd}|d dkst|d dkstt| |d
dd}|d dkst|d dkstt| |d
dd}|d dkst|d dkstd S )Nr   r   r   r   r1   r   r   r   re   Tr   rM   )r0   r*   r   r   r	   )r0   Zprob_tolg&.>)r0   Ztolr   r   r   r   r   test_prob_tol  s$    r   c                  C   sP   ddl m}  | j}zdd l}|d k	s(tW n  tk
rJ   |d ksFtY nX d S )Nr   )random_walker_segmentation)skimage.segmentationr   UmfpackContextZscikits.umfpackr7   ImportError)r   r   Zscikitsr   r   r   test_umfpack_import  s    r   c               	   C   s   t jd} t jdtd}tjtdd t| | W 5 Q R X d|d< tjtdd t| | W 5 Q R X d|d< t| | d S )	N)r
   r
   r   zNo seeds provided)matchrL   r   r   r   )r   r   r   r   r   r   r   r   )imager:   r   r   r   test_empty_labels  s    r   )N)NN)*numpyr   Zskimage._sharedr   Zskimage._shared._warningsr   Zskimage._shared.testingr   r   r   r   Zskimage.transformr   rC   r   r    ZparametrizeZfloat16Zfloat32r4   r<   rA   rE   rF   rJ   rK   rV   rY   r_   rb   rk   rl   rz   r   r   r   r   r   r   r   r   r   r   r   r   r   <module>   sR   









4&!