new scan method

modules/util/viirs_l1b_l2.py

@@ -238,6 +238,23 @@ def scan(directory):
         h5f.close()
 
 
+def scan_for_location(txt_file, lon_range=[111.0, 130.0], lat_range=[14.0, 32.0]):
+    with open(txt_file) as file:
+        for idx, fpath in enumerate(file):
+            h5f = h5py.File(fpath, 'r')
+            try:
+                lon_s = get_grid_values_all(h5f, 'longitude')
+                lat_s = get_grid_values_all(h5f, 'latitude')
+                c_lon, c_lat = lon_s[1624, 1600], lat_s[1624, 1600]
+                if (lon_range[0] < c_lon < lon_range[1]) and (lat_range[0] < c_lat < lat_range[1]):
+                    print(fpath)
+
+            except Exception as e:
+                # print(e)
+                h5f.close()
+                continue
+
+
 def test_nlcomp(file):
     h5f = h5py.File(file, 'r')