2012年4月10日星期二

useful tricks of xmgrace

https://www.physik.tu-cottbus.de/~racec/graph.html

Graphic programs

Plots (2D, 3D), graphics

  • XmGrace 2D-plots
    • it works on every workstation
    • is started by the xmgrace command
    • can produce EPS and PDF files which can be includes in LaTeX files
    • can produce graphic in graphic
    • advanced topics
      • GraceTMPL (for automation of XMGrace)
      • the plots contain a white background, which makes that the eps file covers some text in LaTeX. You can change this in two ways:
        • Main Menu --> Plot --> Plot appearance --> Page background -->deactivate Fill
        • or in LaTeX use \includegraphics* (please, remark the * symbol)
      • write text on the graph:
        Main Menu --> Window --> Drawing Object --> (pop-up a menu) Text --> click with the mouse on a location on the graph --> (pop-up a new menu) type the text on the String box
        • A\sm\N\Sn\N (writes A with subscript m and superscript n)
        • \x a \f{} (writes the greek letter alpha)
        • \#{b7} (creates a dot for multiplication)
      • some advanced symbol-text , and the the xmgrace source of it
      • operations with data sets
        • Call up the command interpreter from Main:Window/Commands ...
        • We need to create a set to hold the result, S2.
          We can type a command: s2 length s0.length
        • We have to break up the computation into an x part and a y part.
          s2.x = s0.x
          Now we can perform the math: s2.y = cos(s0.y) + sin(s1.y)
          Unhide the set by typing: S2 on.
      • ftp://gd.tuwien.ac.at/visual/grace/ (agrmerge.pl,...)
    • one can use the Help item on main menu. Also a tutorial is provided.
    • see local documentation
  • xmgr (old version of XmGrace)
    • it works on every workstation
    • is started by the xmgr command
    • advanced topics
      • xmgr -maxgraph 50 (allows 50 graphs)
      • xmgr -maxsets 50 (allows 50 sets)
    • Xmgr User Guide

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