fix in case volcello has no _FillValue

Author: briochemc

Project.toml

@@ -1,7 +1,7 @@
 name = "OceanTransportMatrixBuilder"
 uuid = "c2b4a04e-6049-4fc4-aa6a-5508a29a1e1c"
 authors = ["Benoit Pasquier <[email protected]> and contributors"]
-version = "0.7.0"
+version = "0.7.1"
 
 [deps]
 Distances = "b4f34e82-e78d-54a5-968a-f98e89d6e8f7"

src/gridcellgeometry.jl

@@ -283,12 +283,10 @@ function makegridmetrics(; areacello, volcello, lon, lat, lev, lon_vertices, lat
     replacelist = (x => NaN for x in toreplace)
 
 	# volume (3D)
-    FillValue = volcello.properties["_FillValue"]
     v3D = volcello |> Array{Union{Missing, Float64}}
 	v3D = replace(v3D, replacelist...)
 
     # area (2D)
-    FillValue = areacello.properties["_FillValue"]
     area2D = areacello |> Array{Union{Missing, Float64}}
     area2D = replace(area2D, replacelist...)