diffDEM/config_batch_template.yml at main · miajac/diffDEM · GitHub

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# config_batch_template.yml
# Parameter file for dem_diff_batch.py

# Run with:
    # mpirun -n <num_ranks> python dem_diff_batch.py config_batch.yml
#
# Copy this file, rename it (ex. config_batch_canwell.yml), fill in your
# values, and run. Each MPI rank will process a different DEM pair.
#
# DEMs should be listed oldest to most recent for meaningful differences.

dems:
  - path: "/path/to/dem_2010.tif"
    nickname: "DEM2010"           # used in output filename and print statements
    src_vcrs: "NAVD88"            # options: "Ellipsoid", "EGM96", "NAVD88",
                                  # or any valid EPSG code, see https://epsg.io/
    src_hcrs: "EPSG:3338"         # any valid EPSG code, see https://epsg.io/
    nodata: -9999

  - path: "/path/to/dem_2015.tif"
    nickname: "DEM2015"
    src_vcrs: "EGM96"
    src_hcrs: "EPSG:32606"
    nodata: -9999

  - path: "/path/to/dem_2020.tif"
    nickname: "DEM2020"
    src_vcrs: "Ellipsoid"
    src_hcrs: "EPSG:32606"
    nodata: -9999

  - path: "/path/to/dem_2025.tif"
    nickname: "DEM2025"
    src_vcrs: "Ellipsoid"
    src_hcrs: "EPSG:32606"
    nodata: -9999

options:
  path_dest: "/scratch/username/differencedDEMs/"  # trailing slash required
  roi: null # path to a vector file, or null for no clipping

  coregister: false # global default applied to all pairs unless overridden
                    # per pair in explicit_pairs below

  # Pair mode — choose one:
  #   sequential: differences consecutive DEMs in list order
  #                (DEM2010-DEM2015, DEM2015-DEM2020, DEM2020-DEM2025)
  #   all: differences every possible combination of DEMs
  #   explicit: user-defined pairs listed below under explicit_pairs
  pairs: "sequential"

  # Only used when pairs: "explicit"
  # Format: [dem1_nickname, dem2_nickname] uses global coregister default
  #         [dem1_nickname, dem2_nickname, true/false] overrides per pair
  # explicit_pairs:
  #   - ["DEM2010", "DEM2025", true] # coregister override: true
  #   - ["DEM2015", "DEM2025", false] # coregister override: false
  #   - ["DEM2020", "DEM2025"] # uses global coregister default