Created
October 23, 2025 07:36
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| #!/usr/bin/env -S uv run | |
| # /// script | |
| # requires-python = ">=3.10" | |
| # dependencies = [ | |
| # "pandas", | |
| # "matplotlib", | |
| # ] | |
| # /// | |
| import pandas as pd | |
| import matplotlib.pyplot as plt | |
| import sys | |
| def create_graph(csv_path): | |
| """ | |
| Generates a PNG graph from a CSV file containing timestamp and frame number data. | |
| Args: | |
| csv_path (str): The path to the input CSV file. | |
| """ | |
| try: | |
| print(f"Reading data from {csv_path}...") | |
| data = pd.read_csv(csv_path, header=None, names=[ | |
| "timestamp", "frame_number"]) | |
| # Calculate time since the first packet | |
| data["relative_time"] = data["timestamp"] - data["timestamp"].iloc[0] | |
| print("Generating graph...") | |
| plt.figure(figsize=(12, 6)) | |
| plt.plot(data["relative_time"], data["frame_number"]) | |
| plt.xlabel("Time (seconds since first packet)") | |
| plt.ylabel("Frame Number") | |
| plt.title("Frame Number vs. Time") | |
| plt.grid(True) | |
| output_path = csv_path.replace(".csv", ".png") | |
| plt.savefig(output_path) | |
| print(f"Graph saved to {output_path}") | |
| except FileNotFoundError: | |
| print(f"Error: The file '{csv_path}' was not found.") | |
| except Exception as e: | |
| print(f"An error occurred: {e}") | |
| if __name__ == "__main__": | |
| if len(sys.argv) != 2: | |
| print("Usage: python create_graph.py <path_to_csv_file>") | |
| else: | |
| create_graph(sys.argv[1]) |
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