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import streamlit as st
import numpy as np
import matplotlib.pyplot as plt
st.title('Plant Fractal')
def generate_strange_attractor(num_points, a, b, c, d):
x, y, z = 0.1, 0.0, 0.0
points = []
for i in range(num_points):
x_dot = np.sin(y * a) - np.cos(x * b)
y_dot = np.sin(z * c) - np.cos(y * a)
z_dot = np.sin(x * d) - np.cos(z * c)
x += 0.1 * x_dot
y += 0.1 * y_dot
z += 0.1 * z_dot
points.append((x, y, z))
x, y, z = zip(*points)
return (x, y, z)
def generate_julia_set(num_points, c):
def f(z, c):
return z[0]**2 - z[1]**2 + c[0], 2*z[0]*z[1] + c[1]
x, y, z = np.zeros(num_points), np.zeros(num_points), np.zeros((num_points, 2))
z[0] = (1, 1)
for i in range(1, num_points):
x[i], y[i], z[i] = f(z[i-1], c)
return (x, y, z[:, 0])
num_points = st.slider('How many points do you want to generate?', 1000, 100000, 10000)
fractal_type = st.selectbox('Select a fractal type', ('Strange Attractor', 'Julia Set'))
if fractal_type == 'Strange Attractor':
a = st.slider('a', 0.0, 2.0, 1.2)
b = st.slider('b', 0.0, 2.0, 0.6)
c = st.slider('c', 0.0, 2.0, 1.7)
d = st.slider('d', 0.0, 2.0, 1.5)
x, y, z = generate_strange_attractor(num_points, a, b, c, d)
fig = plt.figure()
ax = fig.add_subplot(111, projection='3d')
ax.plot(x, y, z, linewidth=1)
ax.set_title('Strange Attractor Fractal')
ax.set_xlabel('X')
ax.set_ylabel('Y')
ax.set_zlabel('Z')
st.pyplot(fig)
else:
real_part = st.slider('Real part of c', -2.0, 2.0, 0.4)
imag_part = st.slider('Imaginary part of c', -2.0, 2.0, 0.1)
c = (real_part, imag_part)
x, y, z = generate_julia_set(num_points, c)
fig = plt.figure()
ax = fig.add_subplot(111, projection='3d')
ax.plot(x, y, z, linewidth=1)
ax.set_title('Julia Set Fractal')
ax.set_xlabel('X')