Terrain Elevation Model

import matplotlib.pyplot as plt
import numpy as np
from matplotlib.colors import LinearSegmentedColormap

# Scattered terrain points
np.random.seed(123)
n_points = 600
x = np.random.uniform(0, 10, n_points)
y = np.random.uniform(0, 10, n_points)

# Multi-peak terrain
z = (0.5 * np.sin(x) * np.cos(y) + 
     0.3 * np.exp(-((x-3)**2 + (y-3)**2)/2) +
     0.4 * np.exp(-((x-7)**2 + (y-7)**2)/3) +
     0.1 * np.random.randn(n_points))

# Custom colormap
colors = ['#0a0a0f', '#1a2e05', '#F5B027', '#6CF527', '#d9f99d']
cmap = LinearSegmentedColormap.from_list('amber_green', colors, N=256)

fig = plt.figure(figsize=(10, 8), facecolor='#0a0a0f')
ax = fig.add_subplot(111, projection='3d', facecolor='#0a0a0f')

surf = ax.plot_trisurf(x, y, z, cmap=cmap, alpha=0.9, linewidth=0.1, edgecolor='#ffffff08')

ax.set_xlabel('X (km)', fontsize=10, color='#94a3b8', labelpad=10)
ax.set_ylabel('Y (km)', fontsize=10, color='#94a3b8', labelpad=10)
ax.set_zlabel('Elevation', fontsize=10, color='#94a3b8', labelpad=10)
ax.set_title("Terrain Elevation Model", fontsize=14, color='white', fontweight='bold', pad=20)

ax.tick_params(colors='#64748b', labelsize=8)
ax.xaxis.pane.fill = False
ax.yaxis.pane.fill = False
ax.zaxis.pane.fill = False
ax.xaxis.pane.set_edgecolor('#1e293b')
ax.yaxis.pane.set_edgecolor('#1e293b')
ax.zaxis.pane.set_edgecolor('#1e293b')

ax.view_init(elev=35, azim=135)
plt.tight_layout()
plt.show()