How can I put the numbers 1, 2, ... into the center of these circles - TeX

topnush replying to user 3.14159

thank you

user 3.14159 replying to topnush

There is nothing that prevents you from taking from each code what you like. I played with the `inner sep`, you can undo this and then use what samcarter used.

user 3.14159 replying to topnush

You can do   
```  
\begin{frame}
\def\mylstA{0,1,1,3,3,3,3,3,3,3,3,3,7,7,7,7,7,7,7,7}%
\def\mylstB{0,1,1,3,3,3,3,3,3,3,3,3,8,8,8,8,8,8,8,8}%
\foreach \x in {1,...,\numdots}{%
\pgfmathrandominteger{\myran}{1}{\numcolors}%
\colorlet{cc}{foo!![\myran]}%
\only<3>{\pgfmathtruncatemacro{\x}{{\mylstA}[\x-1]}}%
\only<4>{\pgfmathtruncatemacro{\x}{{\mylstB}[\x-1]}}%
\tikzcircle[cc,alt=<1>{text opacity=0}{}]{\x}% 
}%
\pause
\tikzcircle[cyan]{}% 
\end{frame}  
```

topnush

I want them to fill the full textwidth

topnush

your circles are of a subtly different size to the ones samcarter made (slightly smaller) even with 8pt. How would I adjust the sizde of your circles?

topnush replying to user 3.14159

If I want to plot the same circles with 0,1,1,3... etc in them in another frame how would I do that?

topnush

oh the colors changing.. silly me :)

topnush replying to user 3.14159

why is that?

user 3.14159 replying to topnush

Strong indication that fall is coming. ;-)

topnush

I can fix that by moving pgfmathsetseed{2} into the frame

topnush

oh and the second one too

topnush replying to user 3.14159

that's great. The colors change in the third transition

user 3.14159 replying to topnush

```  
\documentclass[xcolor={rgb}]{beamer}

\beamertemplatenavigationsymbolsempty
\setbeamersize{text margin left=10mm,text margin right=5mm}
\setbeamertemplate{frametitle}[default][center]
\usepackage{tikz}
\usepackage{eqparbox}
\usetikzlibrary{overlay-beamer-styles}
\newcommand{\tikzcircle}[2][red]{\begin{tikzpicture}[baseline={(X.base)}]%
\node [draw,fill,#1,circle,text height={height("1")},inner sep=1.3pt,
text=black,align=center] (X) 
{\eqmakebox[circletext][c]{#2}};
\end{tikzpicture}\hspace{0pt}}%


\def\numcolors{10}
\def\numdots{20}

\pgfmathparse{1/\numcolors}%
\definecolorseries{foo}{hsb}{step}{red!90!black}{\pgfmathresult,0,0}
\resetcolorseries[\numcolors]{foo}%
\pgfmathsetseed{2}

\begin{document}
\begin{frame}
\def\mylst{0,1,1,3,3,3,3,3,3,3,3,3,7,7,7,7,7,7,7,7}%
\foreach \x in {1,...,\numdots}{%
\pgfmathrandominteger{\myran}{1}{\numcolors}%
\colorlet{cc}{foo!![\myran]}%
\only<3>{\pgfmathtruncatemacro{\x}{{\mylst}[\x-1]}}%
\tikzcircle[cc,alt=<1>{text opacity=0}{}]{\x}% 
}%
\pause
\tikzcircle[cyan]{}% 
\end{frame}
\end{document}  
```

topnush

what I mean is a) no numbers b) 1..18 and c) 0,1,1,3,3,3,3,3,3,3,3,3,7,7,7,7,7,7

topnush

is there a way of defining another overlay?

topnush

text on=<3->

topnush

yes. So the overlay-beamer-styles seems to give you only the option of two transitions. I wasn't sure how to add the third one

samcarter

`\foreach \x in {0,1,1,3,3,3,3,3,3,3,3,3,7,7,7,7,7,7}{` @anush

topnush

I am demonstrating a randomised counting algorithm

topnush

that's not so simple. It's a randomised estimate of the original numbers. But can we just read them from an array?

samcarter replying to topnush

If you can calculate them from `\x`  you can feed that to `\tikzcircle` instead of `\x`

samcarter replying to topnush

What is the pattern of these numbers?

topnush

(there should be 18 numbers there)

topnush

0,1,1,3,3,3,3,3,3,3,3,3,7,7,7,7,7,7

topnush

so can I define another transition with a new set of numbers?

topnush

oh I see !

samcarter replying to user 3.14159

If you set the text colour by hand, it also fails :) I was wondering for 5 min why it didn't work

user 3.14159 replying to samcarter

I'd think that internally they are the same. Basically all the other keys use the `alt` key if I remember correctly. This is also where the library fails, if you set the opacity by hand it no longer works without further ado.

samcarter

(it might be better to put the `text on=<3->` into the optional argument, like @marmot did, this way you can change it more easily)

samcarter replying to topnush

```  
background text=black,
      background default text={#1},
      text on=<3->  
```

topnush

which line says the numbers should be added on transition 3?

topnush

to add in the numbers I mean

topnush replying to samcarter

I am reading your code and so far it looks like magic. I can't see where the overlay is defined!

samcarter replying to user 3.14159

:) using the opacity is also a nice trick

user 3.14159 replying to samcarter

I did not know about the `text on` key. ;-)

user 3.14159

```  
\documentclass[xcolor={rgb}]{beamer}

\beamertemplatenavigationsymbolsempty
\setbeamersize{text margin left=10mm,text margin right=5mm}
\setbeamertemplate{frametitle}[default][center]
\usepackage{tikz}
\usepackage{eqparbox}
\usetikzlibrary{overlay-beamer-styles}
\newcommand{\tikzcircle}[2][red]{\begin{tikzpicture}[baseline={(X.base)}]%
\node [draw,fill,#1,circle,text height={height("1")},inner sep=1.3pt,
text=black,align=center] (X) 
{\eqmakebox[circletext][c]{#2}};
\end{tikzpicture}\hspace{0pt}}%


\def\numcolors{10}
\def\numdots{20}

\pgfmathparse{1/\numcolors}%
\definecolorseries{foo}{hsb}{step}{red!90!black}{\pgfmathresult,0,0}
\resetcolorseries[\numcolors]{foo}%
\pgfmathsetseed{2}

\begin{document}
\begin{frame}
\foreach \x in {1,...,\numdots}{%
\pgfmathrandominteger{\myran}{1}{\numcolors}%
\colorlet{cc}{foo!![\myran]}%
\tikzcircle[cc,alt=<1>{text opacity=0}{}]{\x}% 
}%
\pause
\tikzcircle[cyan]{}% 
\end{frame}
\end{document}  
```

samcarter replying to topnush

I posted an example above, see my last code block

topnush

would mind showing me how it would work in my example, please? Might be easier to learn by example

samcarter replying to user 3.14159

darn! I will never remember that!

topnush

we got there at the same time :)

topnush

https://ctan.org/pkg/aobs-tikz?lang=en ?

user 3.14159 replying to samcarter

`aobs`

samcarter replying to topnush

Try `texdoc abos`

user 3.14159 replying to topnush

Yes, it is a separate library by the author of `smartdiagrams`.

user 3.14159 replying to samcarter

External keyboards have them, even for laptops.

topnush

I haven't even managed to find a manual entry for overlay-beamer-styles yet. Doesn't seem to be in http://mirror.ox.ac.uk/sites/ctan.org/graphics/pgf/base/doc/pgfmanual.pdf

samcarter replying to user 3.14159

If the laptop would have page down keys ....

topnush

cool

user 3.14159 replying to samcarter

You can use the `page down` keys while keeping `shift` pressed.

topnush

phew.. at least it isn't only me!

1 Answer