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@dnerini dnerini released this 22 Apr 06:30
· 254 commits to master since this release
v1.3.0
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Learn about vigilant mode.

Summary of main changes and new features:

  • Code formatting and bug fixes.
  • Improve documentation and test coverage.
  • New deterministic nowcasting module nowcasts.anvil implementing the ANVIL method published in Pulkkinen et al. (2020): Nowcasting of Convective Rainfall Using Volumetric Radar Observations. Learn how to use it in this example script.
  • New importer io.importers.import_mrms_grib for the for NSSL’s Multi-Radar/Multi-Sensor System (MRMS).
  • New dataset module to facilitate downloading the pysteps example data and create the configuration file.
  • New interactive notebook my_first_nowcast.ipynb available on Google Colab.

Pysteps v1.3.0 changelog:

  • dataset
    • add function download_pysteps_data to download the example data from the pysteps-data GitHub repo
    • add function create_default_pystepsrc to create a default configuration file pointing to the local pysteps data directory
    • add helper functions to easily load the example data for each data source (fmi, mch, opera, etc)
  • io.importers:
    • add function import_mrms_grib to import NSSL’s Multi-Radar/Multi-Sensor System (MRMS) grib data
    • change spatial units from meters to kilometers in import_knmi_hdf5 and fix definition of y1and y2 parameters in the metadata.
    • allow all the importers to specify the output array data type (dtype keyword) and fill invalid data with a predefined value (fillna keyword)
    • add function to safely and consistently get the rain/no rain threshold
  • motion.constant
    • constantmethod returns two-dimensional advection field instead of one motion vector
  • motion.lucaskanade
    • fix bug in dense_lucaskanade handling of MaskedArrays inputs. Previously, the method ignored the input mask, unless the masked values where set as nans
    • require ndarrays or MaskedArrays as input data to dense_lucaskanade
  • motion.vet
    • fix bug in vet keywords handling. Previously, the method argument passed to the minimizer was ignored
  • nowcasts
    • add deterministic nowcasting module nowcasts.anvil
  • utils.dimensions
    • include option trim in aggregate_fields function to allow aggregation along axes that are not perfectly divisible by a given window
  • utils.images
    • rename ShiTomasi_detection function to lowercase shitomasi_detection to comply with PEP8
    • change default value for the buffer_mask argument in the shitomasi_detection function from 0 to 5 to provide a minimum buffer to no-data in the motion.lucaskanade.dense_lucaskanade method
  • utils.interpolate
    • change default value for the epsilon argument in the rbfinterp2d function from 5 to 10 to provide a more localized interpolation of motion vectors in the motion.lucaskanade.dense_lucaskanade method

Contributors to this release:
@aperezhortal @dnerini @pulkkins @RubenImhoff

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