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This icon generates plots of spectra as a function of Legendre polynomial order.

The macro language equivalents are equivalent is spec_graph() and spec_contour().


The Spectra Editor

The Spectra editor belongs to a type of editor known as family editor which allows related sets of input specifications to be grouped in the same icon editor, each in its own tabbed pane. The available working input panes are pane is :

Spec Graph - To plot a graph of log/linear amplitude against log/linear nN, where n N is the Legendre polynomial order

Spec Contour (not available yet) - To plot a map contour plot of amplitude against wave number and forecast length

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using the first field in the input data.

Data

 Specifies the data required for the application. The assist button provides a tailor made MARS request in case you need some guidance in the data specification.

Diurnal Cycle

Specifies whether to subtract the diurnal cycle. Yes to subtract, No otherwise.

Truncation

 Specifies the highest wave number in spectra plots.

Smoothing

Specifies whether to smooth the plot curve(s). Yes to smooth, No otherwise.

Tension

Specifies the smoothing interpolation. Only Spline is currently available.

Nl24int

Specifies whether to plot values only every 24 hours. Yes for only every 24 hours, No otherwise.

Hilorad

Specifies the search radius for plotting of high/low markers.

 

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