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Run LEEM for Lake Erie

Get the repo

To run scripts to plot some variables from Baseline, first, get this repo and cd to it:

git clone https://github.com/l3-hpc/visit-scripts
cd visit-scripts

Change paths

visit-scripts/setpaths.py

Open the file setpaths.py, and change these. Script path is wherever you cloned this repo, OUTPUTS is where Baseline file is, and IMAGES is where you want the images to go. The directory will be created if it does not exist, and will be written over if it does exist. OUTPUTS and IMAGES must have the trailing slash '/'.

SCRIPT_PATH = "/Users/lllowe/visit-scripts"
OUTPUTS = "/Users/lllowe/LakeErie/DATA/"
IMAGES = "/Users/lllowe/LakeErie/images-leem/"

visit-scripts/sample-movie-scripts/plot_all_timesteps_le.py

Go to the sample-movie-scripts directory

cd sample-movie-scripts

and open plot_all_timesteps_le.py. The SCRIPT_PATH needs to be defined again, so it can find your setpaths.py (sorry, I'll try to fix that later). Modify :

##--Set path to scripts----
SCRIPT_PATH = "/Users/lllowe/visit-scripts"

If your file is "Baseline_2013_0001.nc", then you don't need to modify anything else!

visit-scripts/sample-movie-scripts/ffmpeg_leem.py

Once again, in ffmpeg_leem.py, set SCRIPT_PATH:

##--Set path to scripts----
SCRIPT_PATH = "/Users/lllowe/visit-scripts"

Check out the variables

You do not need to modify anything to run the script. I recommend not modifying anything until you do a test run.

But open the file visit-scripts/leem_vars.py to take a look. I define a dictionary for 3 leem variables, SIT, RPOP, and PO4T and chose min/max based on the first 6 test plots. It will plot 3 types of plots for each variable.

The script loops over all timesteps, but for testing, I added a 'debug'. If debug is True, the loop will break after a specified number of timesteps (dbreak+1).

Do a test run

If you changed the paths, and didn't modify anything else, the following should work, assuming VisIt and ffmpeg are in the path. On atmos, module load visit, and set a path to ffmpeg. I installed ffmpeg using conda.

You can put this in a batch script, but for testing, I'd get an interactive node and then:

visit -cli -nowin -s plot_all_timesteps_le.py

It will take a little bit. It should make 6 images per variable with 3 plots each.

Then to make the movie:

python ffmpeg_leem.py

If successful, you will have 9 (very short) movies in the images directory, e.g.,:

(base) [lllowe@login03 images-leem]$ ls -lrth
total 232K
drwxrws---. 2 lllowe OIT-RSRCH-lllowe-LakeErie 4.0K Jun  2 18:01 SIT
drwxrws---. 2 lllowe OIT-RSRCH-lllowe-LakeErie 4.0K Jun  2 18:01 RPOP
drwxrws---. 2 lllowe OIT-RSRCH-lllowe-LakeErie 4.0K Jun  2 18:01 PO4T
-rw-rw----. 1 lllowe OIT-RSRCH-lllowe-LakeErie  14K Jun  2 18:01 SIT_3D.mp4
-rw-rw----. 1 lllowe OIT-RSRCH-lllowe-LakeErie  19K Jun  2 18:01 SIT_2Dslice.mp4
-rw-rw----. 1 lllowe OIT-RSRCH-lllowe-LakeErie  29K Jun  2 18:01 SIT_transect.mp4
-rw-rw----. 1 lllowe OIT-RSRCH-lllowe-LakeErie  16K Jun  2 18:01 RPOP_3D.mp4
-rw-rw----. 1 lllowe OIT-RSRCH-lllowe-LakeErie  22K Jun  2 18:01 RPOP_2Dslice.mp4
-rw-rw----. 1 lllowe OIT-RSRCH-lllowe-LakeErie  40K Jun  2 18:01 RPOP_transect.mp4
-rw-rw----. 1 lllowe OIT-RSRCH-lllowe-LakeErie  12K Jun  2 18:01 PO4T_3D.mp4
-rw-rw----. 1 lllowe OIT-RSRCH-lllowe-LakeErie  15K Jun  2 18:01 PO4T_2Dslice.mp4
-rw-rw----. 1 lllowe OIT-RSRCH-lllowe-LakeErie  26K Jun  2 18:01 PO4T_transect.mp4

THAT'S IT!