Unexpected argument error ('swath') while running swot_pixc2raster

[shahzaib1007]

Hi there,
I came across this project and found it really interesting. I'm currently trying to create a raster from a pixel cloud using the swot_pixc2raster script. However, I encountered the following error:

Cell In[12], [line 68](vscode-notebook-cell:?execution_count=12&line=68)
     62 proc = SWOTRaster.l2pixc_to_raster.L2PixcToRaster(
     63     pixc_data, alg_cfg, rt_cfg,
     64     max_worker_processes=max_worker_processes,
     65     scratch_dir=internal_files_dir)
     67 # Create and save output product
---> [68](vscode-notebook-cell:?execution_count=12&line=68) product = proc.process()
     69 product.contact = contact
     70 product.crid = crid

File c:\Users\skhan7\OneDrive - UW\Desktop\Research\PhD\JPL_Internship\Codes\Raster-Processor\src\SWOTRaster\l2pixc_to_raster.py:147, in L2PixcToRaster.process(self)
    144     self.use_improved_geoloc = True
    145 elif hc_geoloc_source.lower() == "smoothed_slant_plane":
    146     new_lat, new_lon, new_height = \
--> [147](file:///C:/Users/skhan7/OneDrive%20-%20UW/Desktop/Research/PhD/JPL_Internship/Codes/Raster-Processor/src/SWOTRaster/l2pixc_to_raster.py:147)         self.do_smoothed_slant_plane_hc_geoloc()
    148     self.pixc['pixel_cloud']['improved_latitude'] = new_lat
    149     self.pixc['pixel_cloud']['improved_longitude'] = new_lon

File c:\Users\skhan7\OneDrive - UW\Desktop\Research\PhD\JPL_Internship\Codes\Raster-Processor\src\SWOTRaster\l2pixc_to_raster.py:308, in L2PixcToRaster.do_smoothed_slant_plane_hc_geoloc(self)
    304 geolocator = SWOTRaster.geoloc_raster.GeolocRaster(
    305     self.pixc, self.algorithmic_config,
    306     max_worker_processes=self.max_worker_processes)
    307 geolocator.set_new_height(smoothed_slant_plane_height)
--> [308](file:///C:/Users/skhan7/OneDrive%20-%20UW/Desktop/Research/PhD/JPL_Internship/Codes/Raster-Processor/src/SWOTRaster/l2pixc_to_raster.py:308) out_lat, out_lon, out_height = geolocator.process()
    310 return out_lat, out_lon, out_height

File c:\Users\skhan7\OneDrive - UW\Desktop\Research\PhD\JPL_Internship\Codes\Raster-Processor\src\SWOTRaster\geoloc_raster.py:38, in GeolocRaster.process(self)
     35 """ Do improved raster geolocation """
...
     48 def fn_star(fn, args):
     49     """ Calls function with iterable of arguments """
---> [50](file:///C:/Users/skhan7/OneDrive%20-%20UW/Desktop/Research/PhD/JPL_Internship/Codes/Raster-Processor/src/SWOTRaster/raster_agg.py:50)     return fn(*args)

TypeError: pointcloud_height_geoloc_vect() got an unexpected keyword argument 'swath'

Can you help me resolve the issue? I believe there might be an updated version of the geoloc script that is not incorporated in the base script.

[corben-jpl]

You are indeed getting this error because the raster processor relies on an update to the height-constrained geolocation method that has not been pushed by CNES to the public swot-hydrology-toolbox repo. With that option, input samples are forced to be re-geolocated to the correct swath side, while without it the re-geolocation may choose a solution which puts some pixels on the opposite side.

Simply removing the swath side argument will give results that are slightly different from what you would get from the current version of the processor that is used to generate official SWOT products, but I would expect that to be sufficient for most use cases where you are running the processor locally.
This branch is up-to-date with develop but just has that one small change: https://github.com/SWOTAlgorithms/Raster-Processor/tree/hc_geoloc_swath_side_tmp_fix

[shahzaib1007]

Thanks! I'll look into this and get back to you if needed.