Untitled

import matplotlib.pyplot as plt
import matplotlib.patches as mpatches

# Step data
steps = ["Design", "Screen Setup (Constraint)", "Printing", "Drying", "Packaging"]
capacities = [50, 20, 40, 35, 50]  # Items per hour

# Colors: highlight constraint in red
colors = ["skyblue", "red", "skyblue", "skyblue", "skyblue"]

# Create bar chart
plt.figure(figsize=(10, 6))
bars = plt.bar(steps, capacities, color=colors)

# Add labels above bars
for bar in bars:
    yval = bar.get_height()
    plt.text(bar.get_x() + bar.get_width() / 2.0, yval + 1, f'{yval} items/hr', ha='center', va='bottom')

# Title and labels
plt.title("T-Shirt Printing Process: Step Capacities per Hour")
plt.ylabel("Capacity (Items per Hour)")

# Add legend
constraint_patch = mpatches.Patch(color='red', label='Constraint (Bottleneck)')
normal_patch = mpatches.Patch(color='skyblue', label='Non-Constraints')
plt.legend(handles=[constraint_patch, normal_patch])

# Show plot
plt.tight_layout()
plt.show()