import pandas as pd
import numpy as np

# Path to your CSV file
csv_path = "port_quadrature_export.csv"

# Load CSV
df = pd.read_csv(csv_path)

# Pick correct columns (robust to lower/upper case)
cols = []
for c in ['x', 'X']:
    if c in df.columns:
        cols.append(c)
for c in ['y', 'Y']:
    if c in df.columns:
        cols.append(c)
for c in ['z', 'Z']:
    if c in df.columns:
        cols.append(c)

# Extract XYZ and rename
xyz = df[cols].copy()
xyz.columns = ['X', 'Y', 'Z']

# Round to 6 digits
xyz = xyz.round(6)

# Save to .probe file
probe_path = "port_quadrature_points.probe"
with open(probe_path, "w") as f:
    f.write("X,Y,Z\n")
    np.savetxt(f, xyz.values, delimiter=",", fmt="%.6f")

print(f".probe file written to {probe_path}")