From de08ab140514449c4ed3dd1622305872d79aabc7 Mon Sep 17 00:00:00 2001
From: JannisNe <necker@physik.hu-berlin.de>
Date: Fri, 24 Mar 2023 12:34:25 +0100
Subject: [PATCH] add doc

---
 timewise/wise_data_base.py | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/timewise/wise_data_base.py b/timewise/wise_data_base.py
index c184d77..c1ea48b 100644
--- a/timewise/wise_data_base.py
+++ b/timewise/wise_data_base.py
@@ -1501,6 +1501,16 @@ def calculate_position_mask(lightcurve):
         return pd.Series(keep_mask).to_dict()
 
     def get_position_mask(self, service, chunk_number):
+        """
+        Get the position mask for a chunk
+
+        :param service: The service that was used to download the data, either of `gator` or `tap`
+        :type service: str
+        :param chunk_number: chunk number
+        :type chunk_number: int
+        :returns: position masks
+        :rtype: dict
+        """
 
         logger.info(f"getting position masks for {service}, chunk {chunk_number}")
         fn = os.path.join(self.cache_dir, "position_masks", f"{service}_chunk{chunk_number}.json")