[Numpy-discussion] ANN: gracePlot.py

[Rob]

Can it do any 3d volume rendering?  I've heard of grace, but know
nothing about it.  Rob.


Nathaniel Gray wrote:
> 
>      __________________________________________________________________
> 
>                      Announcing:  gracePlot.py v0.5
> 
>              An interactive, user-friendly python interface to the
>                          Grace plotting package.
> 
>      __________________________________________________________________
> 
> * WHAT IS IT?
> 
> gracePlot.py is a high-level interface to the Grace plotting package available
> at: http://plasma-gate.weizmann.ac.il/Grace/  The goal of gracePlot is to
> offer the user an interactive plotting capability similar to that found in
> commercial packages such as Matlab and Mathematica, including GUI support for
> modifying plots and a user-friendly, pythonic interactive command-line
> interface.
> 
> * WHAT FEATURES DOES IT OFFER?
> 
> Since this package is in the early stages of development it does not yet
> provide high-level command-line access to all of Grace's plotting
> functionality.  It does, however, offer:
>     *   Line Plots (with or without errorbars)
>     *   Histograms (with or without errorbars)
>     *   Multiple graphs (sets of axes) per plot
>     *   Multiple simultaneous plots (grace sessions)
>     *   Overlaid graphs, using a 'hold' command similar to Matlab's
>     *   Legends, titles, axis labels, and axis limits
>     *   Integration with Numerical Python and Scientific Python's Histogram
>         object
> 
> Note that all advanced features and customizations are available through the
> Grace UI, so you can compose rough plots in Python and then polish them up in
> Grace.
> 
> * HOW DO I USE IT?
> 
> Here is an example session that creates a plot with two sets of axes, putting
> a line plot in one and a histogram in the other:
>     Python 2.1.1 (#2, Jul 31 2001, 14:10:42)
>     [GCC 2.96 20000731 (Linux-Mandrake 8.0 2.96-0.48mdk)] on linux2
>     Type "copyright", "credits" or "license" for more information.
>     >>> from gracePlot import gracePlot
>     >>> p = gracePlot() # A grace session opens
>     >>> p.plot( [1,2,3,4,5], [10, 4, 2, 4, 10], [1, 0.7, 0.5, 1, 2],
>     ...         symbols=1 )  # A plot with errorbars & symbols
>     >>> p.title('Funding: Ministry of Silly Walks')
>     >>> p.ylabel('Funding (Pounds\S10\N)')
>     >>> p.multi(2,1)  # Multiple plots: 2 rows, 1 column
>     >>> p.xlimit(0, 6)  # Set limits of x-axis
>     >>> p.focus(1,0)  # Set current graph to row 1, column 0
>     >>> p.histoPlot( [7, 15, 18, 20, 21], x_min=1,
>     ...              dy=[2, 3.5, 4.6, 7.2, 8.8]) # A histogram w/errorbars
>     >>> p.xlabel('Silliness Index')
>     >>> p.ylabel('Applications/yr')
>     >>> p.xlimit(0, 6)  # Set limits of x-axis
> 
> The result of this session can be found at:
>     http://www.idyll.org/~n8gray/code/index.html
> 
> * WHERE DO I GET IT?
> 
> gracePlot is available here:
>     http://www.idyll.org/~n8gray/code/index.html
> 
>      ___________________________________________________________
> 
> Cheers,
> -n8
> 
> --
> Nathaniel Gray
> 
> California Institute of Technology
> Computation and Neural Systems
> --
> 
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