Created
May 16, 2012 14:41
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mplot3d
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#Gráficos 3D | |
from mpl_toolkits.mplot3d import Axes3D | |
from matplotlib import cm | |
from matplotlib.ticker import LinearLocator, FormatStrFormatter | |
import matplotlib.pyplot as plt | |
import numpy as np | |
fig = plt.figure() | |
ax = fig.gca(projection='3d') | |
X = np.arange(-5, 5, 0.25) | |
Y = np.arange(-5, 5, 0.25) | |
X, Y = np.meshgrid(X, Y) | |
R = np.sqrt(X**2 + Y**2) | |
Z = np.sin(R) | |
surf = ax.plot_surface(X, Y, Z, rstride=1, cstride=1, cmap=cm.jet, | |
linewidth=0, antialiased=False) | |
fig.colorbar(surf, shrink=0.5, aspect=5) | |
plt.show() | |
#Gráficos 3D (linha) | |
from mpl_toolkits.mplot3d import Axes3D | |
import numpy as np | |
import matplotlib | |
import matplotlib.pyplot as plt | |
fig = plt.figure() | |
ax = Axes3D(fig) | |
x = [6,3,6,9,12,24] | |
y = [3,5,78,12,23,56] | |
# put 0s on the y-axis, and put the y axis on the z-axis | |
ax.plot(xs=x, ys=[0]*len(x), zs=y, zdir='z', label='ys=0, zdir=z') | |
plt.show() | |
#Scatter plots em 3D | |
import numpy as np | |
from mpl_toolkits.mplot3d import Axes3D | |
import matplotlib.pyplot as plt | |
def randrange(n, vmin, vmax): | |
return (vmax-vmin)*np.random.rand(n) + vmin | |
fig = plt.figure() | |
ax = fig.add_subplot(111, projection='3d') | |
n = 100 | |
for c, m, zl, zh in [('r', 'o', -50, -25), ('b', '^', -30, -5)]: | |
xs = randrange(n, 23, 32) | |
ys = randrange(n, 0, 100) | |
zs = randrange(n, zl, zh) | |
ax.scatter(xs, ys, zs, c=c, marker=m) | |
ax.set_xlabel('X Label') | |
ax.set_ylabel('Y Label') | |
ax.set_zlabel('Z Label') | |
plt.show() |
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