MakeLobes

Category

Macros

Function

Generates magnetic lobe volumes on the LFM grid.

Syntax


LobeField = MakeLobes(All MHD Scalars (out of readmhdhdf));
MakeLobes is a macro, and has no corresponding scripting syntax.  

Inputs
Name Type Default Description
AllMHDScalars field none Field of all MHD scalars (out of the first output of readmhdhdf*)

Outputs
Name Type Description
Lobes field Field of positions where the "data" values are either 1 (true==lobe) or 0 (false == not lobe).

Functional Details

Takes the LFM scalar parameters (out of the first output tab of the readmhdhdf* series of modules) and uses those scalar parameters to determine where the nominal LFM lobes are defined. The output is a field of positions (those in the entire LFM grid) associated with one boolean (1 or 0, true or false) data value which signifies whether that point is in the lobes.

The lobes are defined (in this macro) as the cells where the density is less than 0.2 particles per cubic centimeter, and the thermal pressure is less than 0.01 nPascals. These are fairly arbitrary limits, as there are no common plasma limits which identify the lobes inthe literature.

INPUT

takes the MHD scalars from the first output of readmhdhdf*

OUTPUT

returns a field with a boolean data component of "in plasma sheet"

Example Visual Programs

5MakePlasmaSheet.net


The following image is a screen shot of the output from the example network 5MakePlasmaSheet.net, when the option for selecting the Lobes Only is chosen. The network takes the output of the MakeLobes module and makes a white isosurface around the points considered in the magnetic lobes. ScreenShot of Image window

See Also

 MakePlasmaSheet


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