add compression to the tiles produced by satpy. also gets us other satpy...

add compression to the tiles produced by satpy. also gets us other satpy updates like the static scaling factors. (fixes #14)

buildbucket/buildbucket_environment.yaml

@@ -27,4 +27,4 @@ dependencies:
     - git+https://github.com/deeplycloudy/lmatools.git@minvaluegrids
     - git+https://github.com/deeplycloudy/stormdrain.git
     - git+https://github.com/deeplycloudy/glmtools.git@master
-    - git+https://github.com/pytroll/satpy.git@master
\ No newline at end of file
+    - git+https://github.com/pytroll/satpy.git@7ae7b274a01e5e170bd2cf0f18ccf53b0bd33ada
\ No newline at end of file

gridded_glm/libexec/_minute_gridder.py

@@ -241,8 +241,8 @@ if __name__ == '__main__':
                               source_name="", # You could probably make source_name an empty string. I think it is required by the writer for legacy reasons but isn't actually used for the glm output
                               base_dir=tempdir_path, # base_dir is the output directory. I think blank is the same as current directory.
                               tile_size=(506, 904), # tile_size is set to the size of the GLMF sample tiles we were given and should match the full disk ABI tiles which is what they wanted
-                              check_categories=False) # check_categories is there because of that issue I mentioned where DQF is all valid all the time so there is no way to detect empty tiles unless we ignore the "category" products
-
+                              check_categories=False, # check_categories is there because of that issue I mentioned where DQF is all valid all the time so there is no way to detect empty tiles unless we ignore the "category" products
+                              compress=True)
 
     # pick up output files from the tempdir
     # output looks like: OR_GLM-L2-GLMC-M3_G17_T03_20200925160040.nc