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luce/2025_03_21/1_interpolation.py
2026-06-19 11:15:39 +02:00

21 lines
752 B
Python

import pandas as pd
# Load the full CSV (with all columns)
df = pd.read_csv("in/df_suppressed.csv", encoding='UTF-8', on_bad_lines='skip', delimiter=';') # or 'cp1252' if needed
# Replace "X" and "Y" with your actual column names if needed
x_col = 'Lambert_X'
y_col = 'Lambert_Y'
# Ensure X and Y are numeric, coerce invalid to NaN
df[x_col] = pd.to_numeric(df[x_col], errors='coerce')
df[y_col] = pd.to_numeric(df[y_col], errors='coerce')
# Interpolate only the X and Y columns (other columns untouched)
df[[x_col, y_col]] = df[[x_col, y_col]].interpolate(method='linear', limit_direction='both')
# Save to a new CSV
df.to_csv("out/interpolated_trace.csv", index=False, sep=';')
print("✅ Interpolation done on X/Y. Other columns preserved.")