http://nn-online.org

25 February 2017

info@nn-online.org

Figures

NN-OnLine can generate plots of experimental data, phase shifts, scattering amplitudes, scattering observables, and deuteron wave functions. The default are color PNG figures, but usually there are some more options to choose from:

PostScript, PDF, PNG, SVG, VRML

PostScript
PostScript figures produced by NN-OnLine are vector graphics and resolution independent. They can be viewed on your screen with an appropriate viewer, and printed on a printer. For more info: see the PostScript FAQ of the Americal Physical Society.
PDF
PDF is a document format derived from PostScript. PDF figures produced by NN-OnLine are vector graphics and resolution independent. They can be viewed on your screen with an appropriate viewer, and printed on a printer. For more info: see the PDF FAQ of the Americal Physical Society.
PNG
PNG is a bitmap format, like GIF and JPEG; the NN-OnLine PNG figures are created with 96 dpi resolution. Some browsers are able to display these figures inline (Netscape version 4 and newer for example), otherwise you will need an appropriate external viewer to see them on your screen. The PNG files allow for excellent viewing on a screen and are rather small: 75kb tops for the 3D surface plots. However do not use the PNG files for printing as this will give inferior results. Use the PostScript or PDF figures instead.
VRML

VRML is the Virtual Reality Modelling Language. It is a resolution independent modelling language to describe 3-dimensional situations. You need a VRML viewer that is able to interpret VRML to display the files and play with them.

I tried four viewers that are available for UNIX systems. VRwave-0.9 and FreeWRL-0.15 handle VRML 2.0 and were unable to display the VRML 1.0 generated by NN-OnLine. VRMLview(IRIX and Linux) and VRweb-1.5 (the predecesser of VRwave) do it fine.

More info about VRML and how to display it on other than UNIX platforms can be found on the websites of the VRML Consortium and the VRML Repository.

Color / BW

This is quite self-explanatory. It does not apply to the VRML output (which is always in color) and it only applies to the theoretical curves in plots. The markers of experimental data are always in BW.

http://nn-online.org 25 February 2017 info@nn-online.org