Update docs and docstring.

spacetelescope · Dec 11, 2024 · fb33951 · fb33951
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diff --git a/docs/roman/resample/arguments.rst b/docs/roman/resample/arguments.rst
@@ -81,6 +81,10 @@ image.
     not exist, the variance is set to 1 for all pixels (equal weighting).
     If `weight_type=exptime`, the scaling value will be set equal to the
     exposure time found in the image header.
+    If `weight_type=ivsky`, the scaling value will be determined per-pixel 
+    using the inverse of the sky variance (VAR_SKY) array calculated in the 
+    resample step for each input image. If the VAR_SKY array does
+    not exist, the variance is set to 1 for all pixels (equal weighting).
 
 ``--single`` (bool, default=False)
     If set to `True`, resample each input image into a separate output.  If

diff --git a/romancal/resample/resample_utils.py b/romancal/resample/resample_utils.py
@@ -113,7 +113,7 @@ def build_driz_weight(
     model : object
         The input model.
     weight_type : str, optional
-        The type of weight to use. Allowed values are 'ivm' or 'exptime'.
+        The type of weight to use. Allowed values are 'ivm', 'exptime', or 'ivsky'.
         Defaults to None.
     good_bits : str, optional
         The good bits to use for building the mask. Defaults to None.