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NOTICE: This version of the NSF Unidata web site (archive.unidata.ucar.edu) is no longer being updated.
Current content can be found at unidata.ucar.edu.
To learn about what's going on, see About the Archive Site.
Hi, MetPy 0.7.0 has been released: API Changes ------------------ * The default dimension ordering for functions in `kinematics` (i.e. when `dim_order` is not passed) has changed from "xy" to "yx". This lets more data work out of the box with these functions, and has been warned since 0.5.1 * Renamed `h_convergence` and `v_vorticity` to `divergence` and `vorticity`, respectively. These latter names are simpler and more accurate. The old names are still available for old code, but are deprecated and will be removed in 0.9. * `convergence_vorticity` and `shearing_stretching_deformation` are deprecated, and will be removed in 0.9. These functions existed as performance optimizations, but new calculation internals renders them unnecessary. * The parameter `sblcl` for `significant_tornado` has been renamed to `surface_based_lcl_height` to improve clarity. This only affects users who were passing by keyword argument. * Changed `relative_humidity_wet_psychrometric`, `relative_humidity_from_mixing_ratio`, and `relative_humidity_from_specific_humidity` to return values as unitless ratios rather than percentages, for better symmetry with the rest of the library. Highlights ------------- * Added our own functions for `first_derivative`, `second_derivative`, `gradient`, and `laplacian`. These are 3 point finite difference calculations that handle irregularly spaced grid points. * Added function to calculate x,y grid spacing for latitude/longitude grids * Added table of equivalencies between GEMPAK functions and Python. This is an on-going effort to provide a resource for migrating from GEMPAK. * Added ability to `add_timestamp` to add outlined text * New calculations * Thickness (using hypsometric formula) * Geopotential to/from height * Mixing ratio from relative humidity * Moist static energy * Dry static energy Contributors ------------ @akrherz, @dennissergeev, @eliteuser26, @jthielen, @leouieda, @lsterzinger, @shofer16450, @tjwixtrom, @WEP11, @jrleeman, and @dopplershift all contributed commits to this release. For full release notes see the GitHub release page. https://github.com/Unidata/MetPy/releases/tag/v0.7.0 MetPy packages are available for Conda on the conda-forge channel and for pip from the Python Package Index. https://anaconda.org/conda-forge/MetPy https://pypi.python.org/pypi/MetPy Let us know if you run into any problems, either at MetPy issue tracker, or on this list. https://github.com/Unidata/MetPy/issues Ryan -- Ryan May, Ph.D. Software Engineer UCAR/Unidata Boulder, CO
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