import pandas as pd
import matplotlib.pyplot as plt

df = pd.read_csv("data.csv")
df["time_s"] = df["time since start [ms]"] / 1000.0
df = df[df["time_s"] >= 105]

fig, ax = plt.subplots(figsize=(12, 5))

ax.plot(df["time_s"], df["temp_amb IR [C]"], label="Temperatura ambiente", linewidth=1)
ax.plot(df["time_s"], df["temp_obj IR [C]"], label="Temperatura scatola", linewidth=1)

ax.set_xlabel("Tempo [s]")
ax.set_ylabel("Temperatura [°C]")
ax.set_title("Profilo termico scatola in forno")
ax.legend()
ax.grid(True, alpha=0.3)

plt.tight_layout()
plt.savefig("plot_temperatura.png", dpi=150, bbox_inches="tight")
plt.show()
