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Re: Graphics: How to get values corresponding to
*To*: mathgroup at smc.vnet.net
*Subject*: [mg113712] Re: Graphics: How to get values corresponding to
*From*: Alexei Boulbitch <alexei.boulbitch at iee.lu>
*Date*: Mon, 8 Nov 2010 05:39:55 -0500 (EST)
Dear Bob,
I tried this your example:
g1 = Plot[Sin[y], {y, 0, 6 Pi}, PlotStyle -> Red];
g2 = Plot[Sin[y], {y, 0, 6 Pi},
ImageSize -> AbsoluteCurrentValue[g, ImageSize]];
Show[{g1, g2}]
on my machine (PC, WinXP Pro, Math7). The two images happen to coincide (at least visually). The command
AbsoluteCurrentValue[g1, ImageSize]
{350, 350}
returned the size of 350, rather then 400 in my case.
Best regards, Alexei
While AbsoluteCurrentValue returns values, it is not the actual ImageSize of the original graphic.
g = Plot[Sin[y], {y, 0, 6 Pi}]
AbsoluteCurrentValue[g, ImageSize]
{400, 400}
g2 = Plot[Sin[y], {y, 0, 6 Pi},
ImageSize -> AbsoluteCurrentValue[g, ImageSize]]
Bob Hanlon
---- "Sjoerd C. de Vries"<sjoerd.c.devries at gmail.com> wrote:
=============
AbsoluteCurrentValue[g, ImageSize] works for me, but I'm at loss as to
why AbsoluteOptions doesn't work.
Perhaps the documentation should be improved. Shall we start a thread
on that? ;-)
Cheers -- Sjoerd
On Nov 2, 11:00 am, kj<no.em... at please.post> wrote:
> Consider the following example.
>
> In[1]:= g = Plot[Sin[y], {y, 0, 6 Pi}];
>
> In[2]:= ImageSize /. FullOptions[g]
> Out[2]:= Automatic
>
> How can I determine the *number* X (!= Automatic) such that the
> graphic generated by Plot[Sin[y], {y, 0, 6 Pi}, ImageSize->X] looks
> identical to g as defined in In[1]?
>
> More generally, for any option that accepts Automatic as a possible
> value, how can I determine the whether there exists some value X
> (distinct from Automatic) such that specifying X as the value of
> this option would produce exactly the same results as specifying
> Automatic, and if so, how can I determine this value?
>
> Thanks!
>
> ~kj
--
Alexei Boulbitch, Dr. habil.
Senior Scientist
Material Development
IEE S.A.
ZAE Weiergewan
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Tel: +352 2454 2566
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e-mail: alexei.boulbitch at iee.lu
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