[Numpy-discussion] gnuplot problem with numpy
David TREMOUILLES
david.trem at gmail.com
Sat Feb 11 09:05:03 CST 2006
Hello,
Maybe you have to upgrade your numeric to 24.2
Refer to the recent thread in gnuplot-py-user list:
http://sourceforge.net/mailarchive/forum.php?forum_id=11272&max_rows=25&style=nested&viewmonth=200602
David
2006/2/10, Brian Blais <bblais at bryant.edu>:
>
> Hello,
>
> I have been trying to use the Gnuplot1.7.py module, but it doesn't seem to
> work with
> numpy (although it works with Numeric). The following code plots two
> "identical"
> sets of data, but the numpy data gets rounded to the nearest integer when
> passed to
> Gnuplot. What is odd is that the offending code in utils.py, is the
> function
> float_array(m), which does the conversion that I do in this script, but it
> doesn't
> seem to work. Any ideas?
>
> #----------------------------
> import numpy
> import Numeric
> import Gnuplot
>
> g = Gnuplot.Gnuplot(debug=1)
> dh=.1;
> x=numpy.arange(dh,2+dh,dh,'d')
> y1 = x**2
>
>
> y2=y1
>
> d1 = Gnuplot.Data(x, y1,
> title='numpy',
> with='points') # doesn't work
> d2 = Gnuplot.Data(Numeric.asarray(x,'f'), Numeric.asarray(y2,'f'),
> title='Numeric',
> with='points') # works
>
> g.plot(d1,d2)
>
> #----------------------------
>
>
>
>
> thanks,
>
> bb
>
> --
> -----------------
>
> bblais at bryant.edu
> http://web.bryant.edu/~bblais<http://web.bryant.edu/%7Ebblais>
>
>
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