Basic Python Questions - Oct. 31, 2013

sigtool at kcl.ac.uk sigtool at kcl.ac.uk
Sun Nov 10 15:40:22 CET 2013


On Q4, you could try Waterloo Graphics <http://waterloo.sourceforge.net>. Its LGPLv3 and, although Java-based, runs in Python via Py4J. It has built-in mouse interactivity/GUI editors etc that will all be active when used from Python.

It is Java Swing-based, so e.g. data points can be drawn as standard clickable Swing components (see http://waterloo.sourceforge.net/R/scatter.html for an example using R [N.B. not interactive on the web site which just shows a bit-map]).

For Python examples see http://waterloo.sourceforge.net/python/grid.html







On Thursday, October 31, 2013 9:31:11 AM UTC, E.D.G. wrote:
> Posted by E.D.G. on October 31, 2013
> 
> 
> 
>        The following are several relatively basic questions regarding Python's 
> 
> capabilities.  I am not presently using it myself.  At the moment a number 
> 
> of people including myself are comparing it with other programs such as 
> 
> XBasic for possible use.
> 
> 
> 
> 1.  How fast can Python do math calculations compared with other languages 
> 
> such as Fortran and fast versions of Basic.  I would have to believe that it 
> 
> is much faster than Perl for doing math calculations.
> 
> 
> 
> 2.  Can Python be used to create CGI programs?  These are the ones that run 
> 
> on Internet server computers and process data submitted through Web site 
> 
> data entry screens etc.  I know that Perl CGI programs will do that.
> 
> 
> 
> 3.  If Python can be used for CGI programming, can it draw charts such as 
> 
> .png files that will then display on Web pages at a Web site?
> 
> 
> 
> 4.  How well does Python work for interactive programming.  For example, if 
> 
> a Python program is running on a PC and is drawing a chart, can that chart 
> 
> be modified by simply pressing a key while the Python program is running.  I 
> 
> have Perl and Gnuplot program combinations that can do that.  Their 
> 
> interactive speed is not that great.  But it is adequate for my own uses.
> 
> 
> 
> 5.  Can a running Python program send information to the Windows operating 
> 
> system as if it were typed in from the keyboard?  Perl can do that and I 
> 
> would imagine that Python probably has that same capability.



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