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%matplotlib nbagg
# import seaborn as sns
# sns.set_context('notebook')


    

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from matplotlib.lines import Line2D
def draw_coord_axes(ax):
    xline = Line2D([-4.8, 4.8], [0, 0], ls='dotted',lw=2)
    yline = Line2D([0, 0], [-8.5, 4.5], ls='dotted', lw=2)
    ax.add_line(xline)
    ax.add_line(yline)


    

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def annotate_degrees(ax):
    size = 55
    ax.annotate('$0^\circ$', xy=(5.5, 0), va='center', size=size)
    ax.annotate('$180^\circ$', xy=(-10, 0), va='center', size=size)
    ax.annotate('$90^\circ$', xy=(0, 5), ha='center', size=size)
    ax.annotate('$270^\circ$', xy=(0, -9), va='top', ha='center', size=size)


    

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import math
from matplotlib.patches import Circle
def annotate_sun(ax):
    circle = Circle(xy=(0, 0), radius=2, color='yellow')
    ax.add_artist(circle)


    

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def draw_ls(ls, ax):
    theta = math.radians(ls)
    ax.annotate('',
            xy=(theta, 5),      # theta, radius
            xytext=(0, 0),   # theta, radius
            xycoords='polar',
            textcoords='polar',
            arrowprops=dict(facecolor='black', width=10, headwidth=20),
            horizontalalignment='center',
            verticalalignment='center',
            clip_on=True, # clip to the axes bounding box
    )


    

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from matplotlib.patches import Ellipse
el = Ellipse((0,-2), 10, 13, facecolor='lightgrey', edgecolor='r', lw=3)

fig = plt.figure()
ax = fig.add_subplot(111, aspect='equal')
ax.add_artist(el)
el.set_clip_box(ax.bbox)
ax.set_xlim(-10, 7)
ax.set_ylim(-10, 6)
ax.axis('off')
draw_coord_axes(ax)
annotate_degrees(ax)
annotate_sun(ax)
draw_ls(265, ax)
fig.savefig('/Users/klay6683/Desktop/ls.pdf',bbox_inches='tight')


    

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ax.annotate?


    

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math.sqrt(13**2-100)


    

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