Cfrgtkky

This is a continuation of a previous question: Draw a set of arrows using a palette of colors.

What I want

I want to draw multiple arrows starting from one node to more than one. Each arrow that starts in the same node must have the same color; but another node must have the following color (with its arrows of the same color), and so on.

You have to achieve the following in the most automatically possible way:

What I have done

This MWE is adapted for a better manipulation of the answer to that question:

documentclass{article}



usepackage{tikz}



newcommandtotalnodes{5} % Define the total of nodes-1



begin{document}



begin{tikzpicture} % From https://tex.stackexchange.com/a/480466/152550

    foreach X in {0,...,totalnodes} {

        node[circle,draw,name=aX] at (0,X) {};

        node[circle,draw,name=bX] at (1,X) {};

        % [actual node] * [0.75 (limits the final color to purple)] * 1/totalsubjects

        pgfmathsetmacro{huenum}{X*0.75*(1/totalnodes)}

        definecolor{mycolor}{hsb}{huenum,1,1}

        draw[-latex,mycolor] (aX) to (bX);

}

end{tikzpicture}



end{document}

As you can see, I am not able to find an algorithm capable of adding more arrows that come from the same node.

My idea was to make a recursive algorithm that goes through some of the nodes in which I wanted to get the arrow, but I do not know how to jump from node 0 to 2 and then to 5 and so on.

For example, to start with something I tried to change draw[-latex,mycolor] (aX) to (bX); to draw[-latex,mycolor] (aX) to (b$X-0$); (new line) draw[-latex,mycolor] (aX) to (b$X-1$); (new line) draw[-latex,mycolor] (aX) to (b$X-2$); etc. but the compiler gives errors (as expected).

Thanks!!

Something like this? You specify the connections in a list. The 0th entry specifies that the 0th a node is to be connected with the b nodes 2 and 3, and so on.

documentclass{article}



usepackage{tikz}



newcommandtotalnodes{5} % Define the total of nodes-1



begin{document}



begin{tikzpicture} % From https://tex.stackexchange.com/a/480466/152550

defLstCon{{"{2,3}","{1}","{2}","{2,3,4,5}","{4}","{1,4,5}"}}

    foreach X in {0,...,totalnodes} {

        node[circle,draw,name=aX] at (0,X) {};

        node[circle,draw,name=bX] at (1,X) {};

        }

    foreach X in {0,...,totalnodes} {

        pgfmathsetmacro{huenum}{X*0.75*(1/totalnodes)}

        definecolor{mycolor}{hsb}{huenum,1,1}

        pgfmathsetmacro{mylst}{LstCon[X]}

        foreach Y in mylst       

         {draw[-latex,mycolor] (aX) to (bY);}

        }

end{tikzpicture}



end{document}