FIX: Remove useless _norm_diff function indices.py

sertit · Nov 18, 2024 · 2193f6a · 2193f6a
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diff --git a/CHANGES.md b/CHANGES.md
@@ -3,6 +3,7 @@
 ## 0.21.8 (2024-mm-dd)
 
 - ENH: Add a new type (`BandsType`) for list of BandType
+- FIX: Remove useless `_norm_diff` function `indices.py`
 - DOC: Update `conf.py` (remove useless hunks and set Sphinx 7 as base)
 
 ## 0.21.7 (2024-11-08)

diff --git a/eoreader/bands/indices.py b/eoreader/bands/indices.py
@@ -175,22 +175,6 @@ def _compute_params(_bands, **_kwargs):
     return rasters.set_metadata(out_xda, first_xda, new_name=index)
 
 
-def _norm_diff(band_1: xr.DataArray, band_2: xr.DataArray) -> xr.DataArray:
-    """
-    Get normalized difference index between band 1 and band 2:
-    (band_1 - band_2)/(band_1 + band_2)
-
-    Args:
-        band_1 (xr.DataArray): Band 1
-        band_2 (xr.DataArray): Band 2
-
-    Returns:
-        xr.DataArray: Normalized Difference between band 1 and band 2
-    """
-    norm = (band_1 - band_2) / (band_1 + band_2)
-    return norm
-
-
 @_idx_fct
 def TCBRI(bands: dict) -> xr.DataArray:
     """