From 7bf0b3094193a178bb44ce53d9a91aa7204e4e1c Mon Sep 17 00:00:00 2001
From: Nick H <34072991+nickssl@users.noreply.github.com>
Date: Tue, 2 Jul 2024 11:08:27 +0300
Subject: [PATCH] Added prefix, force_download

---
 pyspedas/themis/ground/gmag.py |  9 +++++++++
 pyspedas/themis/load.py        | 10 ++++++++--
 2 files changed, 17 insertions(+), 2 deletions(-)

diff --git a/pyspedas/themis/ground/gmag.py b/pyspedas/themis/ground/gmag.py
index 178b0222..3c835ca0 100644
--- a/pyspedas/themis/ground/gmag.py
+++ b/pyspedas/themis/ground/gmag.py
@@ -34,6 +34,7 @@ def gmag(
     sites=None,
     group=None,
     level="l2",
+    prefix="",
     suffix="",
     get_support_data=False,
     varformat=None,
@@ -42,6 +43,7 @@ def gmag(
     notplot=False,
     no_update=False,
     time_clip=False,
+    force_download=False,
 ):
     """
     Load ground magnetometer data from the THEMIS mission.
@@ -59,6 +61,8 @@ def gmag(
         the 'sites' parameter will be ignored. Default is None.
     level : str, optional
         Data level to load. Default is "l2".
+    prefix : str, optional
+        Prefix to append to the variable names. Default is "".
     suffix : str, optional
         Suffix to append to the variable names. Default is "".
     get_support_data : bool, optional
@@ -77,6 +81,9 @@ def gmag(
     time_clip : bool, optional
         Flag indicating whether to clip the data to the specified time range.
         Default is False.
+    force_download: bool, optional
+        Download file even if local version is more recent than server version
+        Default: False
 
     Returns
     -------
@@ -279,6 +286,7 @@ def gmag(
         instrument="gmag",
         trange=trange,
         level=level,
+        prefix=prefix,
         suffix=suffix,
         get_support_data=get_support_data,
         varformat=varformat,
@@ -289,6 +297,7 @@ def gmag(
         greenland=greenland,
         time_clip=time_clip,
         no_update=no_update,
+        force_download=force_download,
     )
 
 
diff --git a/pyspedas/themis/load.py b/pyspedas/themis/load.py
index 227db487..2fde7015 100644
--- a/pyspedas/themis/load.py
+++ b/pyspedas/themis/load.py
@@ -14,6 +14,7 @@ def load(trange=['2013-11-5', '2013-11-6'],
          datatype=None, # ASK data, ESD (3d L2 ESA)
          stations=None,  # ground mag and ASK data
          greenland=None,  # also for ground mag data
+         prefix='',
          suffix='',
          get_support_data=False,
          varformat=None,
@@ -22,7 +23,9 @@ def load(trange=['2013-11-5', '2013-11-6'],
          downloadonly=False,
          notplot=False,
          no_update=False,
-         time_clip=False):
+         time_clip=False,
+         force_download=False,
+         ):
     """
     This function loads data from the THEMIS mission;
     this function is not meant to be called directly;
@@ -198,7 +201,8 @@ def load(trange=['2013-11-5', '2013-11-6'],
                              remote_path=CONFIG['remote_data_dir'],
                              local_path=CONFIG['local_data_dir'],
                              no_download=no_update,
-                             last_version=True)
+                             last_version=True,
+                             force_download=force_download,)
             if files is not None:
                 for file in files:
                     out_files.append(file)
@@ -210,6 +214,7 @@ def load(trange=['2013-11-5', '2013-11-6'],
 
     if varformat_tmp is None:
         tvars = cdf_to_tplot(out_files,
+                             prefix=prefix,
                              suffix=suffix,
                              get_support_data=get_support_data,
                              varformat=varformat,
@@ -218,6 +223,7 @@ def load(trange=['2013-11-5', '2013-11-6'],
                              notplot=notplot)
     else:
         tvars = cdf_to_tplot(out_files,
+                             prefix=prefix,
                              suffix=suffix,
                              get_support_data=get_support_data,
                              varformat=varformat_tmp,