From d7dbd8c167a4e2751346b2284008e5bb5cf3e8f3 Mon Sep 17 00:00:00 2001
From: tomrink <rink@ssec.wisc.edu>
Date: Tue, 2 Jul 2024 11:49:33 -0500
Subject: [PATCH] snapshot...
---
modules/aeolus/datasource.py | 29 +++++++++++++++++++++++++++++
1 file changed, 29 insertions(+)
diff --git a/modules/aeolus/datasource.py b/modules/aeolus/datasource.py
index 66a785b4..9908da8a 100644
--- a/modules/aeolus/datasource.py
+++ b/modules/aeolus/datasource.py
@@ -110,9 +110,17 @@ class Files:
self._current_index = 0
def get_datetime(self, pathname):
+ """
+ :param pathname: The full-path of the file.
+ :return: The file's time label as a datetime object.
+ """
pass
def get_file_containing_time(self, timestamp):
+ """
+ :param timestamp: seconds since the epoch
+ :return: the file whose time range (defined as the difference between consecutive file time labels) contains timestamp.
+ """
k = -1
for i in range(self.ftimes.shape[0]):
if (timestamp >= self.ftimes[i, 0]) and (timestamp < self.ftimes[i, 1]):
@@ -124,6 +132,11 @@ class Files:
return self.flist[k], self.ftimes[k, 0], k
def get_file(self, timestamp, window=None):
+ """
+ :param timestamp: seconds since the epoch.
+ :param window: the duration of files in this object. Defaults to the constructor time span.
+ :return: the file whose duration contains the timestamp.
+ """
if window is None:
window = self.span_seconds
else:
@@ -135,6 +148,22 @@ class Files:
else:
return None, None, None
+ def get_file_in_range(self, timestamp, t_lo_minutes, t_hi_minutes):
+ """
+ :param timestamp:
+ :param t_lo_minutes: can be negative or positive
+ :param t_hi_minutes: can be negative or positive, but must be greater than t_lo_minutes.
+ :return: the file whose time label is within the absolute range (timestamp + t_lo_minutes, timestamp + t_hi_minutes)
+ """
+
+ t_lo = timestamp + datetime.timedelta(minutes=t_lo_minutes).seconds
+ t_hi = timestamp + datetime.timedelta(minutes=t_hi_minutes).seconds
+
+ midx = np.where(np.logical_and(self.ftimes[:, 0] >= t_lo, self.ftimes[:, 0] < t_hi))[0]
+ midx = midx[0] # the first occurrence
+
+ return self.flist[midx], self.ftimes[midx, 0], midx
+
def get_parameters(self):
pass
--
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