how to make a circular color gradient in python

how to make a circular color gradient in python

To make a circular color gradient in Python, you can use the Matplotlib library. Here’s an example code snippet that generates a circular color gradient:

import numpy as np
import matplotlib.pyplot as plt

# Define the center point and radius of the gradient
center = [0, 0]
radius = 1

# Define the number of colors to use in the gradient
num_colors = 100

# Generate a list of angles that correspond to the colors in the gradient
angles = np.linspace(0, 2*np.pi, num_colors)

# Generate a list of colors using the angles and the desired colormap
colors = plt.cm.rainbow(angles / (2*np.pi))

# Create a figure and axis object
fig, ax = plt.subplots()

# Create a circle object with the specified center and radius
circle = plt.Circle(center, radius, edgecolor='none', facecolor='white')

# Add the circle object to the axis
ax.add_artist(circle)

# Plot the gradient by drawing small circles with the desired colors
for i in range(num_colors):
    x = radius * np.cos(angles[i])
    y = radius * np.sin(angles[i])
    circle = plt.Circle([x, y], 0.05, edgecolor='none', facecolor=colors[i])
    ax.add_artist(circle)

# Set the axis limits and remove the axis ticks and labels
ax.set_xlim(-1.1*radius, 1.1*radius)
ax.set_ylim(-1.1*radius, 1.1*radius)
ax.set_xticks([])
ax.set_yticks([])

# Show the plot
plt.show()

In this code, we first define the center point and radius of the gradient, as well as the number of colors to use in the gradient. We then generate a list of angles that correspond to the colors in the gradient, and use the plt.cm.rainbow colormap to generate a list of colors. We then create a circle object with the specified center and radius, and add it to the axis. Finally, we plot the gradient by drawing small circles with the desired colors at the appropriate angles, and remove the axis ticks and labels to make the plot more visually appealing.