y0 = sum(d.ax.get_ylim()) / 2
# Define line styles
G_style = dict(
style='double elliptic',
ellipse_excentricity=-1.2, ellipse_spread=.3,
arrow=True, arrow_param={'width':0.05},
)
# Draw the diagram
v01 = d.vertex([x0, y0])
v02 = d.vertex(v01.xy, dx=opwidth)
P = d.operator([v01,v02], c=1.3)
P.text("$P$")
d.text(v02.x+textpad, y0, "=", fontsize=30)
v21 = d.vertex(v02.xy, dx=.4)
v22 = d.vertex(v21.xy, dx=linlen, dy=Gamma_side/2)
v23 = d.vertex(v21.xy, dx=linlen, dy=-Gamma_side/2)
v24 = d.vertex(v21.xy, dx=linlen+Gamma_height)
l21 = d.line(v22, v21, **G_style)
l21 = d.line(v21, v23, **G_style)
Gamma = d.operator([v22,v23, v24])
Gamma.text("$\Gamma$")
d.draw()
plt.show()
# Define line styles
G_style = dict(
style='double elliptic',
ellipse_excentricity=-1.2,
ellipse_spread=.3,
arrow=True,
arrow_param={'width': 0.05},
)
# Draw the diagram
v01 = d.vertex([x0, y0])
v02 = d.vertex(v01.xy, dx=opwidth)
P = d.operator([v01, v02], c=1.3)
P.text("$P$")
d.text(v02.x + textpad, y0, "=", fontsize=30)
v21 = d.vertex(v02.xy, dx=.4)
v22 = d.vertex(v21.xy, dx=linlen, dy=Gamma_side / 2)
v23 = d.vertex(v21.xy, dx=linlen, dy=-Gamma_side / 2)
v24 = d.vertex(v21.xy, dx=linlen + Gamma_height)
l21 = d.line(v22, v21, **G_style)
l21 = d.line(v21, v23, **G_style)
Gamma = d.operator([v22, v23, v24])
Gamma.text("$\Gamma$")
d.draw()
plt.show()
