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Metview 4 has a new icon for handling legends - the Legend icon in the Visual Definitions drawer (Macro function mlegend()). This replaces the legend functionality that used to be in the Text Plotting and Legend Entry icons.
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Please note that because the Metview 3 Text Plotting icon (ptext) contains parameters for controlling the legend, using ptext disables the Metview 4 Legend (mlegend) functionality in order to avoid clashes. If you wish to use the new Legend functionality alongside text plotting specifications, you must use Metview 4's Text Plotting (mtext) icon instead of ptext. |
Text Plotting
Metview 4's Text Plotting icon no longer has any legend parameters - these are all now contained in the Legend icon. In addition, the way to specify user text in a title has changed a little. Metview 3 contained options to specify whether a title contained automatic text, user text or both; Metview 4 instead has a default title line which is "<magics_title/>". Any text line with this string will have the automatic title; lines without it will not. Magics++ also has features, still to be fully documented, to automatically add GRIB meta-data to a 'semi-automatic' plot title using GRIB_API keys. For instance, where Metview 3 used !PARAM! Metview 4 would use <grib_info key='name'/>. Another commonly-encountered change is that instead of Text Reference Character Height, Metview now has Text Font Size. In Macro, ptext is replaced by mtext.
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See Legends, above, for information regarding the mixing of ptext() and mlegend(). |
Text View, Empty View and Annotation
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The Display Window's Contents drawer Drawer was an advanced feature which enabled the quick fine-tuning of a plot. This feature is not currently enabled in Metview 4, although it is planned to be in the future.
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There are some functionalities in Metview 3 which are not yet available in Metview 4, even with workarounds.
- Tephigrams are not available
- The Metview-Vis5D interface is not available
- Native plotting support for satellite projection images - the workaround is to use the Reprojection module to reproject the data onto a regular lat/lon grid, then plot this onto a Geo View using the Geos projection. This is currently limited to having its centre at zero degrees longitude.
- Hovmoeller, cross section, zonal/meridional mean and vertical profile plots only generate a plot for the first set of data supplied. In Metview 3 for instance, you could supply a time series of vertical level data to the Cross Section module and receive one plot per time step; now, only the first time step will be plotted. The workaround is to write some Macro code to loop through the steps/parameters/etc and generate one plot at a time.
- The Satellite View is not available - see above
- The Contents Drawer is not available from the Display Window