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Alain Matthes | 9 May 20:49
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Re: graph with tikz


Le 9 mai 07 à 18:52, Rafael Villarroel a écrit :

>  Also, I do not understand why the size of the "inner"
> triangle does not seem to be change if I change the options. I can
> only get a nice, small icosahedron with parameters like:
>  \begin{tikzpicture}[scale=0.5]
>     \tikzstyle{NormalVertexStyle}=[shape        = circle,%
>                                    shading      = ball,%
>                                    ball color   = orange!60!black,%
>                                    minimum size = 4pt,%
>                                    draw]
>     \SetVertexNoLabel
>     \tikzstyle{EdgeStyle}= [thick,%
>                             double= orange,%
>                             double distance = 1pt]
>       \grIcosahedron[RA=8,RB=3]
>   \end{tikzpicture}
>

I don't understand the problem ....

The size of the first triangle is determined by RA

The three points are on a circle determined by RA.

All the points are on three circles

RA --> first triangle
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Rafael Villarroel | 10 May 00:15
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Re: graph with tikz

Alain Matthes <alain.matthes <at> mac.com> writes:

> Le 9 mai 07 à 18:52, Rafael Villarroel a écrit :
>
>>  Also, I do not understand why the size of the "inner"
>> triangle does not seem to be change if I change the options. I can
>> only get a nice, small icosahedron with parameters like:
>>  \begin{tikzpicture}[scale=0.5]
>>     \tikzstyle{NormalVertexStyle}=[shape        = circle,%
>>                                    shading      = ball,%
>>                                    ball color   = orange!60!black,%
>>                                    minimum size = 4pt,%
>>                                    draw]
>>     \SetVertexNoLabel
>>     \tikzstyle{EdgeStyle}= [thick,%
>>                             double= orange,%
>>                             double distance = 1pt]
>>       \grIcosahedron[RA=8,RB=3]
>>   \end{tikzpicture}
>>
>
> I don't understand the problem ....
>
> The size of the first triangle is determined by RA
>
> The three points are on a circle determined by RA.
>
> All the points are on three circles
>
> RA --> first triangle
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Alain Matthes | 9 May 23:55
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Re: graph with tikz


Le 10 mai 07 à 00:15, Rafael Villarroel a écrit :

>
> \documentclass{article}
> \usepackage[usenames,dvipsnames]{xcolor}
> \usepackage{tikz}
> \usepackage{tkz-berge}
> \thispagestyle{empty}
> \begin{document}
> \tikzstyle{NormalVertexStyle}=[shape        = circle,%
>                                shading      = ball,%
>                                minimum size = 2pt,%
>                                draw]
>
> \SetVertexNoLabel
> \begin{center}
>   \begin{tikzpicture}
>     \grIcosahedron[RA=1,RB=0.5]
>   \end{tikzpicture}
>
>   \begin{tikzpicture}
>     \grIcosahedron[RA=2,RB=0.5]
>   \end{tikzpicture}
>
>   \begin{tikzpicture}
>     \grIcosahedron[RA=3,RB=1]
>   \end{tikzpicture}
> \end{center}
>
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Rafael Villarroel | 10 May 01:47
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Re: graph with tikz

Alain Matthes <alain.matthes <at> mac.com> writes:

> Le 10 mai 07 à 00:15, Rafael Villarroel a écrit :
>
>>
>> \documentclass{article}
>> \usepackage[usenames,dvipsnames]{xcolor}
>> \usepackage{tikz}
>> \usepackage{tkz-berge}
>> \thispagestyle{empty}
>> \begin{document}
>> \tikzstyle{NormalVertexStyle}=[shape        = circle,%
>>                                shading      = ball,%
>>                                minimum size = 2pt,%
>>                                draw]
>>
>> \SetVertexNoLabel
>> \begin{center}
>>   \begin{tikzpicture}
>>     \grIcosahedron[RA=1,RB=0.5]
>>   \end{tikzpicture}
>>
>>   \begin{tikzpicture}
>>     \grIcosahedron[RA=2,RB=0.5]
>>   \end{tikzpicture}
>>
>>   \begin{tikzpicture}
>>     \grIcosahedron[RA=3,RB=1]
>>   \end{tikzpicture}
>> \end{center}
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Alain Matthes | 9 May 23:43
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Re: graph with tikz


Le 10 mai 07 à 00:15, Rafael Villarroel a écrit :

>
> the size of the triangle pointing down is the same in the three
> graphs, and it does not seem to be affected by RA or RB. Thus, the
> values of RA and RB have to be big enough, which will only look good
> in a small graph by using scaling. That's OK, but I thought maybe it
> would be nice if there was a third parameter for changing the size of
> such triangle.

Ok now I understand. The idea was to have a minimum of constraints also
  I take RA and RB  instead of RA, RB and RC

but your idea is better because we have a lot of possibilities.

Perhaps this situation arrives in other graphs. I need to look at all  
the macros

It's very strange to look at the work of other people :

i find your graphs very nice :) and to have the second triangle big  
is interesting  ... :)

I make a change in the macro

Alain
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