take hvplot function outside

app.py

@@ -1,9 +1,21 @@
+#import cftime
 import fsspec
+
 import matplotlib.pyplot as plt
 import numpy as np
 import pandas as pd
 import panel as pn
 import xarray as xr
+#from ipywidgets import (
+#    Checkbox,
+##    FloatRangeSlider,
+#    FloatSlider,
+#    IntRangeSlider,
+#    IntSlider,
+##    interactive,
+#)
+
+
 import param
 
 pn.extension("tabulator")
@@ -83,6 +95,15 @@ def quiver_depth_filterd(ax,ds_filtered, depth1, depth_range_slider, scale_facto
         headwidth=3,
         transform=ccrs.PlateCarree(),
     )
+def bathy_uship_vship_bottom_depth(ds):
+    import hvplot.xarray
+    return [
+        ds["BATHY"].max(dim="PROFZ").hvplot(x="TIME", width=400, height=200),
+        ds["USHIP"].max(dim="PROFZ").hvplot(x="TIME", width=400, height=200),
+        ds["VSHIP"].max(dim="PROFZ").hvplot(x="TIME", width=400, height=200),
+        ds["BOTTOM_DEPTH"].max(dim="PROFZ").hvplot(x="TIME", width=400, height=200),
+    ]
+bathy_uship_vship_bottom_depth
 
 class SADCP_Viewer(param.Parameterized):
     df = load_csv()
@@ -298,14 +319,7 @@ class SADCP_Viewer(param.Parameterized):
 
     # @param.depends( 'file_dropdown.value', 'longitude_slider.value', 'latitude_slider.value',  watch=True)
     def hvplot_plots(self):
-        import hvplot.xarray
-        return [
-            self.ds_filtered["BATHY"].max(dim="PROFZ").hvplot(x="TIME", width=400, height=200),
-            self.ds_filtered["USHIP"].max(dim="PROFZ").hvplot(x="TIME", width=400, height=200),
-            self.ds_filtered["VSHIP"].max(dim="PROFZ").hvplot(x="TIME", width=400, height=200),
-            self.ds_filtered["BOTTOM_DEPTH"].max(dim="PROFZ").hvplot(x="TIME", width=400, height=200),
-          
-        ]
+        return bathy_uship_vship_bottom_depth(self.ds_filtered)
 
     def get_file_list(self):
         return self.file_names