multiple GNSS/GPS sources support

docs/api/module_hierarchy.md

@@ -51,7 +51,7 @@ Hierarchy of sub-modules within MintPy. Level _N_ modules depends on level _N-1_
         network       (objects/{stack, sensor}, utils/{readfile})
 ------------------ level 4 --------------------
     /objects
-        gps           (objects/{stack, coord}, utils/{ptime, utils1, readfile})
+        gnss          (objects/{stack, coord}, utils/{ptime, utils1, readfile})
         stackDict     (objects/{stack}, utils/{ptime, utils0, readfile})
     /simulation
         simulation    (objects/{stack}, utils/{ptime, network}, simulation/{fractal, decorrelation, defo_model})
@@ -65,5 +65,5 @@ Hierarchy of sub-modules within MintPy. Level _N_ modules depends on level _N-1_
         isce_utils    (constants, utils/{ptime, readfile, writefile, attribute, utils1})
 ------------------ level 6 --------------------
     /objects
-        insar_vs_gps  (objects/{stack, giant}, utils/{readfile, gps, plot, utils})
+        insar_vs_gnss (objects/{stack, giant}, utils/{readfile, gnss, plot, utils})
 ```

src/mintpy/cli/tsview.py

@@ -103,7 +103,7 @@ def create_parser(subparsers=None):
     parser = arg_utils.add_data_disp_argument(parser)
     parser = arg_utils.add_dem_argument(parser)
     parser = arg_utils.add_figure_argument(parser, figsize_img=True)
-    parser = arg_utils.add_gps_argument(parser)
+    parser = arg_utils.add_gnss_argument(parser)
     parser = arg_utils.add_mask_argument(parser)
     parser = arg_utils.add_map_argument(parser)
     parser = arg_utils.add_memory_argument(parser)
@@ -124,9 +124,9 @@ def cmd_line_parse(iargs=None):
     # use sys.argv[1:] for command line call
     inps.argv = iargs if iargs else sys.argv[1:]
 
-    # check: --gps-comp option (not implemented for tsview yet)
-    if inps.gps_component:
-        msg = f'--gps-comp is not supported for {os.path.basename(__file__)}'
+    # check: --gnss-comp option (not implemented for tsview yet)
+    if inps.gnss_component:
+        msg = f'--gnss-comp is not supported for {os.path.basename(__file__)}'
         raise NotImplementedError(msg)
 
     # check: --label option (same number as input files)

src/mintpy/cli/view.py

@@ -34,10 +34,11 @@
   view.py ifgramStack.h5 20171010_20171115      #all data      related with 20171010_20171115
   view.py ifgramStack.h5 'coherence*20171010*'  #all coherence related with 20171010
 
-  # GPS (for one subplot in geo-coordinates only)
-  view.py geo_velocity_msk.h5 velocity --show-gps --gps-label   #show locations of available GPS
-  view.py geo_velocity_msk.h5 velocity --show-gps --gps-comp enu2los --ref-gps GV01
-  view.py geo_timeseries_ERA5_ramp_demErr.h5 20180619 --ref-date 20141213 --show-gps --gps-comp enu2los --ref-gps GV01
+  # GNSS (for one subplot in geo-coordinates only)
+  view.py geo_velocity_msk.h5 velocity --show-gnss --gnss-label   #show locations of available GPS
+  view.py geo_velocity_msk.h5 velocity --show-gnss --gnss-comp enu2los --ref-gnss GV01
+  view.py geo_velocity_msk.h5 velocity --show-gnss --gnss-comp enu2los --ref-gnss GV01 --gnss-source ESESES
+  view.py geo_timeseries_ERA5_ramp_demErr.h5 20180619 --ref-date 20141213 --show-gnss --gnss-comp enu2los --ref-gnss GV01
 
   # Faults
   view.py filt_dense_offsets.bil range --faultline simple_fault_confident.lonlat
@@ -83,7 +84,7 @@ def create_parser(subparsers=None):
     parser = arg_utils.add_data_disp_argument(parser)
     parser = arg_utils.add_dem_argument(parser)
     parser = arg_utils.add_figure_argument(parser)
-    parser = arg_utils.add_gps_argument(parser)
+    parser = arg_utils.add_gnss_argument(parser)
     parser = arg_utils.add_mask_argument(parser)
     parser = arg_utils.add_map_argument(parser)
     parser = arg_utils.add_memory_argument(parser)
@@ -154,7 +155,7 @@ def cmd_line_parse(iargs=None):
             print('WARNING: --cbar-ext is NOT compatible with --dem-blend, ignore --cbar-ext and continue.')
 
     # check: conflicted options (geo-only options if inpput file is in radar-coordinates)
-    geo_opt_names = ['--coord', '--show-gps', '--coastline', '--lalo-label', '--lalo-step', '--scalebar', '--faultline']
+    geo_opt_names = ['--coord', '--show-gnss', '--coastline', '--lalo-label', '--lalo-step', '--scalebar', '--faultline']
     geo_opt_names = list(set(geo_opt_names) & set(inps.argv))
     if geo_opt_names and 'Y_FIRST' not in readfile.read_attribute(inps.file).keys():
         for opt_name in geo_opt_names: