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Re: ListLinePlot and Tooltip

  • To: mathgroup at smc.vnet.net
  • Subject: [mg91275] Re: ListLinePlot and Tooltip
  • From: Jean-Marc Gulliet <jeanmarc.gulliet at gmail.com>
  • Date: Wed, 13 Aug 2008 04:39:09 -0400 (EDT)
  • Organization: The Open University, Milton Keynes, UK
  • References: <g7rik4$ia0$1@smc.vnet.net>

dkr wrote:
> Start with a simple plot:
> 
> (1)  ListLinePlot[{{{1, 1}, {2, 2}}}]   (We get the expected result.)
> 
> Now just add tooltips to the two points of the curve:
> 
> (2)  ListLinePlot[{{Tooltip[{1, 1}], Tooltip[{2, 2}]}}]    (A pair of
> axes are drawn but no curve.)
> 
> Next add a third point to the list, also with Tooltip:
> 
> (3)  ListLinePlot[{{Tooltip[{1, 1}], Tooltip[{2, 2}],
>    Tooltip[{3, 2.5}]}}]   (Now we get the curve drawn correctly.)
> 
> Next take (1) and add a second curve:
> 
> (4)  ListLinePlot[{{{1, 1}, {2, 2}}, {{1, 1.5}, {2, 2.5}}}]   (We get
> both curves drawn as expected.)
> 
> Next add Tooltips to the points on the second curve:
> 
> (5)  ListLinePlot[{{{1, 1}, {2, 2}}, {Tooltip[{1, 1.5}],
>    Tooltip[{2, 2.5}]}}]   (Neither curve is drawn.)
> 
> In these examples, whenever we have a curve with exactly two points
> and Tooltips (see (2) and (5)), ListLinePlot does not draw the curves.
> Removing the Tooltips (see (1) and (4)) or just adding a third point
> (see (3)) restores the drawing of the curves.  Can anyone explain why?

A short explanation could be, "A bug."

> Mathematica 6.0.1 on OS10.5.2

Same behavior on my system 64-bit Intel Core 2 Duo Mac OS X Leopard 
1.5.4 Mathematica 6.0.3.

Regards,
-- Jean-Marc



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