Re: [PyX-user] Fwd: How to do the astronomical symbol “\sun” in PyX?

[M A. G. <ato...@gm...>]

Well, it seems that the package mathabx does not define the macro
\sun. I think you need to use \Sun.

atakan

On Wed, Sep 19, 2012 at 11:33 PM, Néstor Espinoza
<nes...@gm...> wrote:
> Dear Atakan (and all),
>
>  I tried it, but still got an error :-(. My code is:
>
> from pyx import *
> from pylab import *
> from pyx import text as pyxtext
> pyxtext.set(mode='latex')
> pyxtext.preamble(r'\usepackage{mathabx}')
> x=arange(1,5,0.1)
> y=exp(-(x-3.0)**2/(2.0*0.5**2))/sqrt(2.0*pi*0.5**2)
> ###################### Let's pyx this!
> g=graph.graphxy(width=8,y=graph.axis.linear(title=r"Fraction of DM
> halos"),x=graph.axis.linear(min=1,title=r"Mass ($10^{11}M_{\sun}$)"))
> g.plot(graph.data.values(x=x,y=y),styles=[graph.style.histogram()])
> g.writeEPSfile("testhistogram")
>
>  And the error is:
>
> pyx.text.TexResultError: unhandled TeX response (might be an error)
> The expression passed to TeX was:
>   \ProcessPyXBox{\setbox0\hbox{$\vcenter{\vrule
> width0pt}$}\PyXDimenVShift=\ht0\setbox0\hbox{{\gdef\PyXBoxHAlign{0.50000}\gdef\PyXFlushHAlign{0.50000}\PyXragged{}Mass
> ($10^{11}M_{\sun}$)}}\lower\PyXDimenVShift\box0%
>   }{12}%
>   \PyXInput{17}%
> After parsing the return message from TeX, the following was left:
>   *
>   *! Undefined control sequence.
>   <argument> ...}\PyXragged {}Mass ($10^{11}M_{\sun
>                                                     }$)}}\lower
> \PyXDimenVShif...
>   <*> }{12}
>   (cut after 5 lines, increase errordebug for more output)
>
>
> 2012/9/19 M Atakan Gurkan <ato...@gm...>
>>
>> Sorry replied personally. Now forwarding to the list.
>>
>> a.
>>
>> ---------- Forwarded message ----------
>> From: M Atakan Gurkan <ato...@gm...>
>> Date: Wed, Sep 19, 2012 at 11:18 PM
>> Subject: Re: [PyX-user] How to do the astronomical symbol “\sun” in PyX?
>> To: Néstor Espinoza <nes...@gm...>
>>
>>
>> Dear Néstor,
>>
>> Your "import *" from pylab is conflicting with pyx.text. You need to
>> import that explicitly, e.g.,
>> from pyx import *
>> from pylab import *
>> from pyx import text as pyxtext
>>
>> pyxtext.set(mode='latex')
>> pyxtext.preamble(r'\usepackage{...}')
>>
>> etc.
>>
>> I would avoid "from .. import *" all together unless this will require
>> too many changes.
>>
>> cheers,
>>
>> atakan
>>
>> On Wed, Sep 19, 2012 at 10:33 PM, Néstor Espinoza
>> <nes...@gm...> wrote:
>> > Hello!,
>> >
>> >  I posted this same question on Stackexchange, but I had no success with
>> > the
>> > answer. I've been trying to put the astronomical symbol of the sun on a
>> > graph using PyX, but so for with no success. The code I have is the
>> > following:
>> >
>> >
>> > from pyx import *
>> >
>> >
>> >  from pylab import *
>> >
>> >
>> >  x=arange(1,5,0.1)
>> >
>> >
>> >  y=exp(-(x-3.0)**2/(2.0*0.5**2))/sqrt(2.0*pi*0.5**2)
>> >
>> >
>> >  ######################
>> >  g=graph.graphxy(width=8,y=graph.axis.linear(title=r"Fraction of DM
>> > halos"),x=graph.axis.linear(min=1,title=r"Mass ($10^{11}M_{\sun}$)"))
>> >
>> >
>> >  g.plot(graph.data.values(x=x,y=y),styles=[graph.style.histogram()])
>> >
>> >
>> >  g.writeEPSfile("testhistogram")
>> >
>> >
>> > I tried adding text.set(mode="latex") followed
>> > bytext.preamble("\usepackage{mathabx}"), but this doesn't work (because
>> > I
>> > know this symbol is on the mathabx LaTeX package). Any ideas?
>> >
>> > --
>> > Néstor
>> >
>> >
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>
>
>
>
> --
> Néstor