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Metview 4.4 introduces new icons for Cross Section Data, Average Data, Vertical Profile Data, Hovmoeller Data, Cross Section View, Average View and , Vertical Profile View and Hovmoeller View. Their functionality remain largely the same, but the concepts have been cleaned up, with a clearer separation between the responsibilities of the Data icons and the View icons. For example, specifying that the result should be plotted with a logarithmic axis should not be part of the Data icons, but should instead be the sole responsibility of the View icons, as it is a purely visual characteristic. Additionally, some parameters were not generic enough - for example, the Top Pressure parameter can also be used when the data are in model levels, and has therefore now been renamed to Top Level.

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• Existing icons will continue to work, but with the following limitations:

  • They will appear in faded colours in the user interface
  • Pressure Level Axis will be ignored; Linear will be used. The Cross Section View can be used to change this, and it could be advisable to set Interpolate Values to No in order to get the best representation of the data
  • Top Pressure and Bottom Pressure will be ignored; Metview will generate its result using the whole data range. The Cross Section View can be used to change this
• To migrate to the new icon:
  • To control the type (linear/log) or the range of the vertical axis, the use the Cross Section View
  • Interpolate Values has a new default value of No (previously it was Yes). This provides a default result which is more closely based on the input data. If set to Yes, the plotting of the upper atmosphere plotting on a logarithmic vertical scale could show some artefacts from the interpolation
  • The macro function name has changed from cross_sect() to mcross_sect()

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• Existing icons will continue to work as they currently do

• The new icon introduces the ability to select between nearest gridpoint and interpolated point
• The new icon introduces the ability to supply custom axis definitions
  
• To migrate to the new icon:
  • Parameter Pressure Level Axis has been replaced by Vertical Scaling
  • Interpolate Values has a new default value of No (previously it was Yes).
  • Setting Vertical Scaling to Log is now a purely visual change and no longer affects the actual values computed; this fact is compensated for by disabling Interpolate Values by default
  • Parameters Top Pressure and Bottom Pressure have been replaced by Top Level and Bottom Level
  • The macro function name has changed from xsectview() to mxsectview()

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