3D Bar Chart
Telescope Observation Queue
Observation hours allocated across telescopes and science programs
Output
Python
import matplotlib.pyplot as plt
import numpy as np
from mpl_toolkits.mplot3d import Axes3D
from matplotlib.colors import LinearSegmentedColormap
fig = plt.figure(figsize=(12, 8), facecolor='#ffffff')
ax = fig.add_subplot(111, projection='3d')
ax.set_facecolor('#ffffff')
telescopes = 4
programs = 5
xpos = np.arange(telescopes)
zpos = np.arange(programs)
xpos, zpos = np.meshgrid(xpos, zpos)
xpos = xpos.flatten()
zpos = zpos.flatten()
ypos = np.zeros_like(xpos)
dx = 0.65
dz = 0.55
np.random.seed(1010)
dy = np.random.gamma(3, 50, size=20)
cmap = LinearSegmentedColormap.from_list('neon', ['#5314E6', '#4927F5', '#276CF5', '#27D3F5', '#27F5B0'])
norm = plt.Normalize(min(dy), max(dy))
colors = [cmap(norm(v)) for v in dy]
ax.bar3d(xpos, ypos, zpos, dx, dy, dz, color=colors, alpha=0.9, edgecolor='#e5e7eb', linewidth=0.4)
ax.set_xlabel('Telescope', fontsize=11, color='#1f2937', labelpad=12)
ax.set_ylabel('Hours', fontsize=11, color='#1f2937', labelpad=12)
ax.set_zlabel('Program', fontsize=11, color='#1f2937', labelpad=10)
ax.set_title('Observatory Time Allocation Matrix', fontsize=14, color='#1f2937', fontweight='bold', pad=20)
ax.set_xticks(range(4))
ax.set_xticklabels(['JWST', 'Hubble', 'Keck', 'VLT'], fontsize=8, color='#374151')
ax.set_zticks(range(5))
ax.set_zticklabels(['Exoplanet', 'Galaxy', 'Cosmology', 'Solar', 'Transient'], fontsize=7, color='#374151')
ax.tick_params(colors='#374151', labelsize=9)
ax.xaxis.pane.fill = False
ax.yaxis.pane.fill = False
ax.zaxis.pane.fill = False
ax.xaxis.pane.set_edgecolor('#e5e7eb')
ax.yaxis.pane.set_edgecolor('#e5e7eb')
ax.zaxis.pane.set_edgecolor('#e5e7eb')
ax.grid(True, alpha=0.3, linewidth=0.5)
ax.view_init(elev=22, azim=50)
plt.tight_layout()
plt.show()
Library
Matplotlib
Category
3D Charts
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