Re: MousePosition with PlotLegends

• To: mathgroup at smc.vnet.net
• Subject: [mg116162] Re: MousePosition with PlotLegends
• From: "Sjoerd C. de Vries" <sjoerd.c.devries at gmail.com>
• Date: Thu, 3 Feb 2011 05:34:37 -0500 (EST)
• References: <ii8sa9\$2p1\$1@smc.vnet.net>

```It works for me. The problem may lie in the way the plot range you
found ( {{-1., -0.15}, {-1.05, -0.4}}) I get is formatted.

It is not {{xmin,ymin},{xmax,ymax}}, a rectangle specification, but
{{xmin,xmax},{ymin,ymax}}. Also, the drop shadow belongs to the range.

Cheers -- Sjoerd

On Feb 1, 12:54 pm, "E. Martin-Serrano"
<eMartinSerr... at telefonica.net> wrote:
> Hi,
>
> The following is an example of the problem I am facing in using
> MousePosition[] over graphics containing legends, with Mathematica 7.01.
> (W-XP) SP3.
>
> In[1]:= Needs["PlotLegends`"]
>
> (* Graphics primitives making up a legend *)
>
> In[2]:=
> g=Graphics[Legend[{{Graphics[{Blue,Disk[{0,0},1]}],Sin[x]>0},{Graphics[=
{Red,
> Disk[{0,0},1]}],Sin[x]<0}}] ];
>
> In[3]:= (* This gives the full PlotRange definition for  the resultin=
g
> graphics *)
>
> In[4]:= PlotRange/.FullOptions[g]
>
> Out[4]= {{-1.,-0.15},{-1.05,-0.4}}
>
> In[5]:= (*This gives the simplify PlotRange definition for the resultin=
g
> graphics *)
>
> In[6]:=
> Cases[AbsoluteOptions[g],HoldPattern[PlotRange->pr_]:>pr[[2]],1,1][[1]]
>
> Out[6]= {-1.05,-0.4}
>
> In[7]:= (* This renders the picture with the MousePosition["Graphics"]
> feature included *)
>
> In[8]:=
> {Graphics[Legend[{{Graphics[{Blue,Disk[{0,0},1]}],Sin[x]>0},{Graphics[{Re=
d,D
> isk[{0,0},1]}],Sin[x]<0}}] ], Dynamic@MousePosition["Graphics"]}
>
> Out[8]:=  (* the picture in Out[8]  has been deleted, you can get i=
t by
> executing  In[8]  *)
>
>  (* But the coordinates given by MousePosition["Graphics"] when moving =
the
> mouse over the graphics does not coincide with the coordinates correspond=
ing
> to the range limits given by the PlotRange setting got above*)
>
> No attempt with the MousePosition different options has helped me to solv=
e
> the issue, and I never had this kind of problem until I used MousePositio=
n
> and PlotLegends togheter.
>
> Any help will be welcome
>
> E. Martin-Serrano
>
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```

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