Graphical outputs.

The 2-D graphical outputs of various Lorene objects are performed via the PGPLOT library: http://astro.caltech.edu/~tjp/pgplot/. More...

## Topics

| Low level graphical routines.
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| Plots of spectral coefficients.
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| Plot of a scalar field
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| Plot of a vector field.
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| Plot of a tensor field of valence 2
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| Plot of a Cmp (obsolete)
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| Plot of a vector field (obsolete).
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| Time evolution graphs.
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## Detailed Description

The 2-D graphical outputs of various Lorene objects are performed via the PGPLOT library: http://astro.caltech.edu/~tjp/pgplot/.

To open an X11 display area, use the command 'pgdisp'.

3-D visualization of various Lorene objects is performed by means of OpenDX: http://www.opendx.org/

OpenDX is called from the methods Scalar::visu_section, `Scalar::visu_box`, `Vector::visu_arrows` , etc... The corresponding OpenDX scripts are provided in the directory `Lorene/Visu/OpenDX`. They must be copied to the working directory in order to use the above methods.