o
    eN                     @   sl  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mZ d dlmZmZmZmZ d dlmZ d dl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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'eed,d-d.d/ Z(d0d1 Z)d2d3 Z*d4d5 Z+d6d7 Z,d8d9 Z-d:d; Z.d<d= Z/d>d? Z0d@dA Z1dBdC Z2dS )D    N)testing)expected_warnings)arch32assert_almost_equalassert_array_lessassert_equalxfail)CircleModelEllipseModelLineModelNDransac)_dynamic_max_trials)AffineTransformc                  C   s6   t  } d| _tdd}| |}t|| | d S )N))r   r   )   r   
   )r   paramsnparange	predict_yr   	predict_xmodelxy r   ND:\Projects\ConvertPro\env\Lib\site-packages\skimage/measure/tests/test_fit.pytest_line_model_predict   s
   
r   c                   C   s  t t t td W d    n1 sw   Y  t t t td W d    n1 s7w   Y  t t t tdtd W d    n1 sYw   Y  t t t td W d    n1 sww   Y  t t t tdtd W d    n1 sw   Y  t t	drJ t t	drJ t t t 
t	d W d    d S 1 sw   Y  d S )Nr   )r      )r      )r   raises
ValueErrorr   r   r   zerosr   estimateempty	residualsr   r   r   r    test_line_model_nd_invalid_input   s(   "r&   c                  C   sN   t  } tddgtddgf| _tdd}| |}t|| | d S )Nr   g?g?r   r   )r   r   arrayr   r   r   r   r   r   r   r   r   test_line_model_nd_predict+   s
   
r(   c                  C   s  t  } tjg dddtjg dddtd f| _| jd dtdd	d
tjf  | jd   }tjd}||j	|j
d }t  }|| ttjt| jd |jd dd |jd | jd  }tj|dkrw|tj| }ttjt| jd |dd d S )Nr   r   r   floatZdtype)r   r   r   r   r   r   d   .r     size)r   r   r'   sqrtr   r   Znewaxisrandomdefault_rngnormalshaper#   r   ZlinalgZnormcross)model0data0rngdata	model_estar   r   r   test_line_model_nd_estimate3   s(   "
&r=   c                  C   s   t  } tg dtg df| _tt| tg dgd tt| tg dgd tt| tg dgd tg dg}tg dtg df}tt| j||dd d S )	Nr)   r   r   r   r   )r   r   r   r   )r   r   r   r      )r   r   r'   r   r   absr%   )r   r:   r   r   r   r   test_line_model_nd_residualsS   s      rB   c                   C   B   t t t td W d    d S 1 sw   Y  d S N)   r   )r   r    r!   r	   r#   r   r$   r   r   r   r   test_circle_model_invalid_inputa      "rF   c                  C   sN   t  } d}dd|f| _tddtj tjd }td}t|| | d S )NrE   r   r   )rE   r   )r   rE   r   )r   rJ   )r	   r   r   r   pir'   r   
predict_xy)r   rtxyr   r   r   test_circle_model_predictf   s   
rP   c                  C   sl   t  } d| _tddtj d}| |}tjd}||j|j	d }t  }|
| t| j|jd d S )Nr      r   r   r     r.   r/   )r	   r   r   linspacerK   rL   r2   r3   r4   r5   r#   r   )r7   rN   r8   r9   r:   r;   r   r   r   test_circle_model_estimatep   s   

rU   c                  C   sT   t jddgddgddgddggt jd} | d7 } t }||  t|jg d d S )Nr   r   r+     )rW   rW   r   )r   r'   int32r	   r#   r   r   )rO   r   r   r   r   test_circle_model_int_overflow   s
   (
rY   c                  C   sz   t  } d| _tt| tddggd tt| tddggtdd  tt| tddggd d S )N)r   r   rE   rE   r      H   r   )r	   r   r   rA   r%   r   r'   r1   r   r   r   r   test_circle_model_residuals   s    $r]   c               	   C   s  t  } dg}t| | tddgddgg W d    n1 s#w   Y  t| | tddgddgddgg W d    n1 sHw   Y  d}tjt|d}| td	raJ W d    n1 skw   Y  t	|dksxJ |d j
tksJ d S )
Nz6Input does not contain enough significant data points.r   r   r      r   zUStandard deviation of data is too small to estimate circle with meaningful precision.matchrZ   r   )r	   r   r#   r   r'   pytestwarnsRuntimeWarningoneslenfilename__file__r   Zwarning_message	_warningsr   r   r   #test_circle_model_insufficient_data   s   

$rk   c                  C   d   t jg dt jd} t jg dt jd}t j|| d}t }||t js*J t| |j d S )N)gu`D-g?jS-gJ%H+r+   g1Zd?g?5^I?g|?5^?gm?g|?5^@g/$@gX9v	@gn@g\(\@g?5^I@g^I+@guV@r?   )	r   r'   float64r	   rL   r#   astyper   r   r   Zanglesr:   r   r   r   r   0test_circle_model_estimate_from_small_scale_data      
rq   c                   C   rC   rD   )r   r    r!   r
   r#   r   r$   r   r   r   r    test_ellipse_model_invalid_input   rG   rs   c                  C   sD   t  } d| _tddtj tjd }td}t|| | d S )N)r   r   rE   r   r   r   r   )rH   )r   r   rI   )r   r   )r
   r   r   r   rK   r'   r   rL   )r   rN   rO   r   r   r   test_ellipse_model_predict   s
   
rt   c            	      C   s   t dddD ]V} t| }t }dddd|f|_tddtj d}||}tj	d	}||j
|jd
 }t }|| t|jd d |jd d d ||}t|t|j qd S )Nr         r         r   r-   r.   r/   )ranger   deg2radr
   r   rT   rK   rL   r2   r3   r4   r5   r#   r   r%   r   re   )	angleZradr7   rN   r8   r9   r:   r;   resr   r   r   test_ellipse_model_estimate   s   


 
r}   c                  C   s   t dddD ]`} t | }t |}t |}t || g||gg}t ddt j d}d}d}t |t | |t | g}|| }t }	|		|j
 |	j\}
}
}}}t|| t|| t|| qdS )	z-The fit should be modified so that a > b
    r      r   r   rw   r-   2   N)r   r   rz   cossinr'   rT   rK   r
   r#   Tr   r   )r{   thetacsRrN   r<   bZpointsZellipse_model_Za_primeZb_primeZtheta_primer   r   r    test_ellipse_parameter_stability   s(   


"

r   c                  C   s  t jg ddgddgddgddgd	d
gddgddgddgddgddgddgddgddgddgddgddgddgddgd d!gd"dgd#d$gd%d&gd'd!gd'd&gd(d&gd)d*gd+dgd,dgd-dgd.d/gd0dgd0dgd1d2gd1d3gd4d5gd4d6gd7d8gd9dgd:d;gd<d=gd>d?gd@d
gdAdBgdCdDgdEdFgdGdHgdIdJgdIdKgdLdMgdLdNgdOdPgdQdRgdSdTgdUdVgdUdMgdWdXgdWdYgdZdMgd[d\gdZdHgdZd]gd[dgd^d_gd`dagdbdcgdddegdddfgdbdggdbdgdddgd`dhgdid]gdjdkgdldmgdldgdndogdpdqgdrdsgdtdugdndJgdrdgdvd
gdwdqgdxdHgdydzgdwd{gd|d}gdxd~gddgddgddKgdd5gddsgdd$gddgddgddgddgddgddegddgddgddgddgddgddgddgddgddgddgddcgddgddgddgddgddgddsgddggddgddgddegddgddgddgddgddXgddNgddgddgddgddgddgddgddgddgddgt jd} t }||  t|jd d t dd tt dt 	|jd d  d S )Ni  iV  i	  ik  i  i_  i  iY  i  i  i  i  i1  i  iD  i  iO  i  iP  iY  i  ib  i  ic  i  il  i  im  i  iw  i  i  i  i  i  i  i  i  i  i  i  i  i  i  i  i  i  i  i  i  i  i  i  i  i  i  i  i  i  i  i  i  i  i  i  i  i  i  i  i  i  iW  i  iL  iu  i  iM  ii  i  is  i!  ij  i  i`  i)  ia  i*  i9  iC  i3  i5  i:  i  i=  i
  i<  i/  i>  i$  i?  i  i  i  i  iF  iC  i  iG  i%  iJ  i  iH  i8  iI  i  iE  i  iK  iR  iQ  iN  i{  i  iT  i  i  i[  i  i\  i  i]  i^  i  ie  i"  i  ig  i  ii  io  i  ip  i  iq  i  iy  i  i  i  i  iz  i  i{  i  i  i}  i  i  i  i  i  i  i  i  i  i  i  i  i  i  i)  i  i  i  i  i  i  i+  i  i  i  i  i  io  r+   r^   rS   )
r   r'   rX   r
   r#   r   r   fullr"   rA   )r:   r   r   r   r   %test_ellipse_model_estimate_from_data   s.  						






$r   c                  C   rl   )N)g    .Ag    >A      ?g?r   r+   rm   r?   )	r   r'   rn   r
   rL   r#   ro   r   r   rp   r   r   r   1test_ellipse_model_estimate_from_far_shifted_data"  rr   r   zKnown test failure on 32-bit platforms. See links for details: https://github.com/scikit-image/scikit-image/issues/3091 https://github.com/scikit-image/scikit-image/issues/2670)	conditionreasonc                  C   s   t  } d}tjt|d}| tdrJ W d    n1 s!w   Y  t|dks.J |d jt	ks7J | t
ddgdd	gd
dggrJJ d S )NzVStandard deviation of data is too small to estimate ellipse with meaningful precision.r_   ra   r   r   r   P   3   Q   4   )r
   rb   rc   rd   r#   r   re   rf   rg   rh   r'   ri   r   r   r   #test_ellipse_model_estimate_failers0  s   *r   c                  C   sp   t  } d| _tt| tddggd tt| tddggd tt| tddggd d S )N)r   r   r   rE   r   r   r   rE   )r
   r   r   rA   r%   r   r'   r\   r   r   r   test_ellipse_model_residualsE  s
     $r   c                  C   s   t  } d| _tddtj d}| |}d}d||d d d f< d||d d d f< d	||d d d f< t|t d
ddd\}}tdg t|t d
ddd W d    n1 sYw   Y  t| j|j |D ]}||vsoJ qgd S )NrQ   r   r   rS   )r   r@      )rS   rS   )ir   r   )r,   r   r   rE   r9   z'`random_state` is a deprecated argument)Zrandom_state)	r	   r   r   rT   rK   rL   r   r   r   )r7   rN   r8   outliersr;   inliersZoutlierr   r   r   test_ransac_shapeN  s    
r   c                  C   s   t jd} d| d }tdddd}||}d}d	||d
 < d||d < d||d < t||ftdd| d\}}t|j|j t t |dkd
 |ksPJ d S )Ni̼ r-   )r   r   )r   333333?r   )r   rw   )scaleZrotationtranslation)r   rE   rw   )'  r   r   )r,   r-   )r   r   r   rw   r   F)	r   r2   r3   r   r   r   r   allZnonzero)r9   srcr7   dstr   r;   r   r   r   r   test_ransac_geometricf  s   
$r   c               	   C   j   dd } t dg ttdtdtj| dd\}}W d    n1 s$w   Y  t|d  t|d  d S )Nc                 S   s   | j d dkS )Nr   r   )r5   )r:   r   r   r   is_data_valid  s   z0test_ransac_is_data_valid.<locals>.is_data_validNo inliers foundr   r   r   r   )r   r9   r   r   r   r$   r   infr   )r   r   r   r   r   r   test_ransac_is_data_valid~     
r   c               	   C   r   )Nc                 S   s   dS )NFr   )r   r:   r   r   r   is_model_valid  s   z2test_ransac_is_model_valid.<locals>.is_model_validr   r   r   r   )r   r9   r   )r   r   r   r   r   r   test_ransac_is_model_valid  r   r   c                   C   s  t tddddd t tddddd t tddddd t tddddd t tddddd t tddddd	 t td
dddd t td
dddd t tddddd t tddddd t tddddd t tddddd t tddddd t tddddd t td
dddd t td
dddd t tddddd t tddddd t tddddd t tddddd d S )Nr-   r   gGz?r   _      Z   r      F      6   r      ~      rE   "   	   A   N   i`  i  i#  r   l   aWO)r   r   r   r   r   r   test_ransac_dynamic_max_trials  s(   r   c                   C   s  t t ttdd ddd W d    n1 sw   Y  t t ttdd dddd W d    n1 s<w   Y  t t ttdd dddd W d    n1 s]w   Y  t t ttdd ddd	d W d    n1 s~w   Y  t t ttdd ddd W d    n1 sw   Y  t t ttdd d
dd W d    n1 sw   Y  t t ttdd ddd W d    d S 1 sw   Y  d S )Nr   r   g      )min_samplesresidual_thresholdr   rV   r   r   
max_trials)r   r   Zstop_probabilityg)\(?   )r   r    r!   r   r   r"   r   r   r   r   test_ransac_invalid_input  sF   "r   c                  C   sZ   G dd d} t d}tdg t|| dddd W d    d S 1 s&w   Y  d S )	Nc                   @   s    e Zd ZdZdd Zdd ZdS )z1test_ransac_sample_duplicates.<locals>.DummyModelz$Dummy model to check for duplicates.c                 S   s   t t|j|j dS )NT)r   r   uniquer0   selfr:   r   r   r   r#     s   z:test_ransac_sample_duplicates.<locals>.DummyModel.estimatec                 S   s   t jt|t jdS )Nr+   )r   re   rf   rn   r   r   r   r   r%     s   z;test_ransac_sample_duplicates.<locals>.DummyModel.residualsN)__name__
__module____qualname____doc__r#   r%   r   r   r   r   
DummyModel  s    r   r^   r   r   g        r   r   )r   r   r   r   )r   r:   r   r   r   test_ransac_sample_duplicates  s   

"r   c                  C   sj   t jdd} tdg t| tdddd\}}W d    n1 s"w   Y  |d u s-J |d u s3J d S )NrE   r   z"No inliers found. Model not fittedr   r   i> )Zmodel_classr   r   r9   )r   r2   randr   r   r   )r:   r   r   r   r   r   !test_ransac_with_no_final_inliers  s   r   c               
   C   s   dt fdd} tjd}tg dg dd|dd d	 }td
g t|tdddd| d W d   dS 1 s<w   Y  dS )zExample from GH issue #5572returnc                 W   s.   t tt| jd g d}|dtj kS )zIAllow models with a maximum of 10 degree tilt from the vertical

        r   r>   gqq?)rA   r   Zarccosdotr   rK   )r   Zrandom_dataZtiltr   r   r   r     s    z8test_ransac_non_valid_best_model.<locals>.is_model_validr   r)   )r   r   r   rS   r   r   zEstimated model is not validr   r   r   r   )r   r   r   r9   r   N)	boolr   r2   ZRandomStaterT   r   r   r   r   )r   r9   r:   r   r   r    test_ransac_non_valid_best_model  s   &"r   )3numpyr   rb   Zskimage._sharedr   Zskimage._shared._warningsr   Zskimage._shared.testingr   r   r   r   r   Zskimage.measurer	   r
   r   r   Zskimage.measure.fitr   Zskimage.transformr   r   r&   r(   r=   rB   rF   rP   rU   rY   r]   rk   rq   rs   rt   r}   r   r   r   r   r   r   r   r   r   r   r   r   r   r   r   r   r   r   <module>   sP     

		&
	

)	