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MathGroup Archive 1996

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Re: No ListPlot points shown

  • To: mathgroup at smc.vnet.net
  • Subject: [mg4082] Re: No ListPlot points shown
  • From: ianc (Ian Collier)
  • Date: Fri, 31 May 1996 01:35:39 -0400
  • Organization: Wolfram Research, Inc.
  • Sender: owner-wri-mathgroup at wolfram.com

In article <4obenh$na9 at dragonfly.wolfram.com>, "Franz A. Delahan"
<fdelahan at math.uci.edu> wrote:

> I just installed Mathematica 2.2 [for students] in Windows 95.
> The data points of ListPlot are not visible.  If I use the
> PlotJoined option, though, the lines do appear.  Does anyone
> else have this problem?
> 
> Franz


This happens because the default PointSize is smaller than 
the pixels on your display.

You can use the PlotStyle option to specify a larger point 
size (using the PointSize primitive). 

In[1]:= 
    ListPlot[{1,2,3}, PlotStyle -> PointSize[.05]];

You can also use SetOptions to change the default value 
(and if you place the SetOptions command in your init.m 
file the default will be changed for every Mathematica 
session).

In[2]:= 
    SetOptions[ListPlot, PlotStyle -> PointSize[.05]];

In[3]:= 
    ListPlot[{1,2,3}];


The Technical Support FAQ area of Wolfram Research's web 
site includes a page discussing more possibilities for 
changing default PointSize options:

http://www.wolfram.com/support/Graphics/TwoD/ListPlotPointSize/index.html

I hope this helps.

--Ian

-----------------------------------------------------------
Ian Collier
Wolfram Research, Inc.
-----------------------------------------------------------
tel:(217) 398-0700   fax:(217) 398-0747    ianc at wolfram.com
Wolfram Research Home Page:         http://www.wolfram.com/
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