Fix: added missing desciptions of a few parameters in docstring (#2619)

* Fix: added missing desciptions of a few parameters in docstring

* fixed typos in docstrings

Author: George-Guryev-flxcmp

tidy3d/components/data/unstructured/base.py

@@ -541,7 +541,7 @@ def from_vtu(
 
         Parameters
         ----------
-        fname : str
+        file : str
             Full path to the .vtu file to load the unstructured data from.
         field : str = None
             Name of the field to load.
@@ -580,14 +580,16 @@ def from_vtk(
 
         Parameters
         ----------
-        fname : str
+        file : str
             Full path to the .vtk file to load the unstructured data from.
         field : str = None
             Name of the field to load.
         remove_degenerate_cells : bool = False
             Remove explicitly degenerate cells.
         remove_unused_points : bool = False
             Remove unused points.
+        remove_invalid_cells : bool = False
+            Remove invalid cells.
 
         Returns
         -------
@@ -697,6 +699,14 @@ def get_cell_values(self, **kwargs):
         """This function returns the cell values for the fields stored in the UnstructuredGridDataset.
         If multiple fields are stored per point, like in an IndexedVoltageDataArray, cell values
         will be provided for each of the fields unless a selection argument is provided, e.g., voltage=0.2
+        Parameters
+        ----------
+        **kwargs : dict
+            Keyword arguments to pass to the xarray sel() function.
+        Returns
+        -------
+        numpy.ndarray
+            Extracted data.
         """
 
         values = self.values.sel(**kwargs)

tidy3d/components/data/unstructured/triangular.py

@@ -614,6 +614,8 @@ def plot(
             Type of shading to use when plotting the data field.
         cbar_kwargs : Dict = {}
             Additional parameters passed to colorbar object.
+        pcolor_kwargs: Dict = {}
+            Additional parameters passed to ax.tripcolor()
 
         Returns
         -------