a
    s=ic>                     @   s   d dl Zd dlmZ d dlZd dlmZ d dlm	Z	 d dl
mZ dd Zdd Ze	dgd	d
dgddd Ze	dgd	d
ddd Ze	dgd	d
dddd Ze	dgd	d
ddd Ze	dgd	d
dddd Ze	dgd	d
ddd d! Ze	d"gd	d
d#dd$d% Zd&d' Zd(d) Zd*d+ ZdS ),    N)assert_array_almost_equal)image_comparisonc                  C   sJ   t jddddddf \} }d|d  |  }d| | d  }|| ||fS )N   y              Y@y              i@      )npZmgrid)YXUV r   q/home/droni/.local/share/virtualenvs/DPS-5Je3_V2c/lib/python3.9/site-packages/matplotlib/tests/test_streamplot.pyvelocity_field	   s    r   c                  C   sx   t ddd} t ddd}t | |\}}d}t ||  t ||  }t ||  t ||  }| |||fS )Ng      g      @   d   g?)r	   linspacemeshgridcossin)xyr   r
   ar   r   r   r   r   swirl_velocity_field   s    r   Zstreamplot_startpointsTZmpl20Zpng)remove_textstyle
extensionsc                  C   s~   t  \} }}}tt|  |  dt| | d\}}t| | g}tj	| ||||d t
||d d S )N   )start_pointsok)r   r	   r   r   minmaxZcolumn_stackZravelplt
streamplotZplot)r   r
   r   r   Zstart_xZstart_yr   r   r   r   test_startpoints   s    r%   Zstreamplot_colormap)r   r   c               
   C   s8   t  \} }}}tj| ||||ddtjjd t  d S )Ng333333?r   )colordensity	linewidthcmap)r   r#   r$   cmautumnZcolorbar)r   r
   r   r   r   r   r   test_colormap%   s
    r,   Zstreamplot_linewidthgMb`?)r   r   Ztolc               	   C   sV   t  \} }}}t||}d| |  }t  }|j| |||ddgd|d d S )Nr   g      ?r   k)r'   r&   r(   )r   r	   hypotr"   r#   figuresubplotsr$   )r   r
   r   r   speedZlwaxr   r   r   test_linewidth-   s
    r3   Zstreamplot_masks_and_nansc               	   C   s   t  \} }}}tj|jtd}d|ddddf< tj|d dd df< tjj||d}t	 
 }tjd	d
* |j| ||||tjjd W d    n1 s0    Y  d S )N)Zdtyper   (   <   P   x      )maskignore)invalid)r&   r)   )r   r	   zerosshapeboolnanmaarrayr#   r/   r0   Zerrstater$   r*   ZBlues)r   r
   r   r   r9   r2   r   r   r   test_masks_and_nans7   s    rB   zstreamplot_maxlength.pnggS?c               
   C   sv   t  \} }}}t  }|j| |||dddggddd | d | d   kr^dksdn J |jdd	d
 d S )N      $@              ?r   )	maxlengthr   r(   r'   r   r   Ng\bw
@Ngi@ZxlimZylimr   r#   r/   r0   r$   Zget_xlimZget_ylimsetr   r   r   r   r2   r   r   r   test_maxlengthD   s    *rM   z"streamplot_maxlength_no_broken.pngc                  C   sx   t  \} }}}t  }|j| |||dddggdddd	 | d | d   kr`dksfn J |jd	d
d d S )NrC   rD   rE   r   F)rF   r   r(   r'   Zbroken_streamlinesr   r   rG   rH   rI   rJ   rL   r   r   r   test_maxlength_no_brokenP   s    *rN   zstreamplot_direction.pngg㥛 ?c                  C   s4   t  \} }}}tj| |||ddddggddd	 d S )NZbackwardrE   rD   r   )Zintegration_directionrF   r   r(   r'   )r   r#   r$   )r   r   r   r   r   r   r   test_direction\   s
    
rO   c                  C   s   t  } tddd}tddd}t||\}}t dd| j }t j	||t
|t||d t| jjd	d
d d S )N
   r8             )Z	transform)r8            r   )decimal)r#   Zaxesr	   r   r   mtransformsZAffine2D	translateZ	transDataZbarbsr   r   r   ZdataLimZbounds)r2   r   r   Ztransr   r   r   test_streamplot_limitse   s     
r\   c                  C   sT  t d} t d}t ddgddgg}t ddgddgg}tjtdd  t||| | W d    n1 st0    Y  t ddgddgg}t ddgddgg}tjtdd  t||| | W d    n1 s0    Y  t ddgddgg}t ddgddgg}t||| | t ddg}t ddggg}tjtd	d  t||| | W d    n1 sz0    Y  t d
} t d
}t g d}t g d}tjtdd  t||| | W d    n1 s0    Y  t g d}t g d}tjtdd  t||| | W d    n1 sF0    Y  d S )N)r   r   rQ   r8   rV   zThe rows of 'x' must be equal)matchz The columns of 'y' must be equalr   z$'y' can have at maximum 2 dimensionsr   r   )r   rQ   r8   )r   rQ   rV   z!'y' values must be equally spaced)r   r8   r4   )r   r8   rQ   z'y' must be strictly increasing)	r	   Zonesr<   rA   pytestZraises
ValueErrorr#   r$   )uvr   r   r   r   r   test_streamplot_grids   s6    

..0

0rc   c                	   C   sn   t jtdtdtdtjtdtjtjddd t tdtdtjddtjdd d S )Nr   r^   )r&   )	r#   r$   r	   Zarangefullr?   randomZrandranger   r   r   r   test_streamplot_inputs   s    rg   )numpyr	   Znumpy.testingr   r_   Zmatplotlib.pyplotZpyplotr#   Zmatplotlib.testing.decoratorsr   Zmatplotlib.transformsZ
transformsrZ   r   r   r%   r,   r3   rB   rM   rN   rO   r\   rc   rg   r   r   r   r   <module>   sH   


	








.