本文整理汇总了Python中matplotlib.patches.Arrow方法的典型用法代码示例。如果您正苦于以下问题：Python patches.Arrow方法的具体用法？Python patches.Arrow怎么用？Python patches.Arrow使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类matplotlib.patches的用法示例。
在下文中一共展示了patches.Arrow方法的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: plot_contour
# 需要导入模块: from matplotlib import patches [as 别名]
# 或者: from matplotlib.patches import Arrow [as 别名]
def plot_contour(self, w=0.0):
"""
Plot contour with poles of Green's function in the self-energy
SelfEnergy(w) = G(w+w')W(w')
with respect to w' = Re(w')+Im(w')
Poles of G(w+w') are located: w+w'-(E_n-Fermi)+i*eps sign(E_n-Fermi)==0 ==>
w'= (E_n-Fermi) - w -i eps sign(E_n-Fermi)
"""
try :
import matplotlib.pyplot as plt
from matplotlib.patches import Arc, Arrow
except:
print('no matplotlib?')
return
fig,ax = plt.subplots()
fe = self.fermi_energy
ee = self.mo_energy
iee = 0.5-np.array(ee>fe)
eew = ee-fe-w
ax.plot(eew, iee, 'r.', ms=10.0)
pp = list()
pp.append(Arc((0,0),4,4,angle=0, linewidth=2, theta1=0, theta2=90, zorder=2, color='b'))
pp.append(Arc((0,0),4,4,angle=0, linewidth=2, theta1=180, theta2=270, zorder=2, color='b'))
pp.append(Arrow(0,2,0,-4,width=0.2, color='b', hatch='o'))
pp.append(Arrow(-2,0,4,0,width=0.2, color='b', hatch='o'))
for p in pp: ax.add_patch(p)
ax.set_aspect('equal')
ax.grid(True, which='both')
ax.axhline(y=0, color='k')
ax.axvline(x=0, color='k')
plt.ylim(-3.0,3.0)
plt.show() 示例2: figure1_a
# 需要导入模块: from matplotlib import patches [as 别名]
# 或者: from matplotlib.patches import Arrow [as 别名]
def figure1_a(
image_path, display_mode="y", vmax=300, cut_coords=None, figsize=(20, 20)
):
import matplotlib.patches as patches
if cut_coords is None:
cut_coords = [15]
disp, ax = plot_artifact(
image_path,
display_mode=display_mode,
vmax=vmax,
cut_coords=cut_coords,
figsize=figsize,
)
ax.add_patch(
patches.Arrow(
0.2, # x
0.2, # y
0.1, # dx
0.6, # dy
width=0.25,
color="tomato",
transform=ax.transAxes,
)
)
ax.add_patch(
patches.Arrow(
0.8, # x
0.2, # y
-0.1, # dx
0.6, # dy
width=0.25,
color="tomato",
transform=ax.transAxes,
)
)
return disp 示例3: animate_velocity
# 需要导入模块: from matplotlib import patches [as 别名]
# 或者: from matplotlib.patches import Arrow [as 别名]
def animate_velocity(skel_a, ini_arrow, arrow_size, speed_v, ang_v):
x_range, y_range = _h_ax_range(skel_a)
fig = plt.figure(figsize = (15, 8))
ax = plt.subplot(1,2,1)
ax_speed = plt.subplot(2,2,2)
ax_ang_speed = plt.subplot(2,2,4)
ax.set_xlim(*x_range)
ax.set_ylim(*y_range)
line, = ax.plot([], [], lw=2)
head_p, = ax.plot([], [], 'o')
orient_arrow = patches.Arrow(*ini_arrow[0], *arrow_size[0], fc='k', ec='k')
ax_speed.plot(speed_v)
ax_ang_speed.plot(ang_v)
speed_p, = ax_speed.plot([], 'o')
ang_speed_p, = ax_ang_speed.plot([], 'o')
# animation function. This is called sequentially
def _animate(i):
global orient_arrow
x = skel_a[i, :, 0]
y = skel_a[i, :, 1]
line.set_data(x, y)
head_p.set_data(x[0], y[0])
if ax.patches:
ax.patches.remove(orient_arrow)
orient_arrow = patches.Arrow(*ini_arrow[i], *arrow_size[i], width=50, fc='k', ec='k')
ax.add_patch(orient_arrow)
speed_p.set_data(i, speed_v[i])
ang_speed_p.set_data(i, ang_v[i])
return (line, head_p, orient_arrow, speed_p, ang_speed_p)
# call the animator. blit=True means only re-draw the parts that have changed.
anim = animation.FuncAnimation(fig, _animate,
frames=skel_a.shape[0], interval=20, blit=True);
return anim
#%%