Btukfyl

I'm trying to break a line in two places, to achieve something like this:

The example has rounded breaks but that's the idea. I have the following code, which generates only one break:

documentclass{article}



usepackage{tikz}

usetikzlibrary{automata,positioning,arrows,arrows.meta,shapes,decorations.pathreplacing,fit,calc}

usetikzlibrary{automata,positioning,arrows,shapes,decorations.pathreplacing,fit,calc}

usetikzlibrary{angles,quotes}

usetikzlibrary{decorations.pathreplacing,calc}  



begin{document}



% Define block styles

tikzstyle{decision} = [diamond, draw,  

    text width=4.8em, text centered, node distance=2cm, inner sep=0pt]

tikzstyle{block} = [rectangle, draw,  

    text width=7em, text centered, rounded corners, minimum height=2em]

tikzstyle{arrow} = [draw, -latex']

tikzstyle{line} = [draw]

tikzstyle{invisible4} = [rectangle]

tikzstyle{invisible5} = [rectangle]

tikzstyle{circular} = [draw, circle, radius=1.0cm,]



begin{figure}[h]

    centering

    begin{tikzpicture}[node distance = 2cm, auto, scale=1.0]

        node [block] (pulse) {small P};

        node [invisible4, below of=pulse] (aux2) {};

        node [block, left of=aux2] (fp) {small FP};

        node [block, right of=aux2] (rp) {small FP};

        node [circular, below of=aux2] (minus) {small -};

        node [decision, below of=minus] (threshold) {small $le T$ ?};

        node [invisible4, below of=threshold] (aux3) {};

        node [block, left of=aux3] (fp2) {small FP};

        node [block, right of=aux3] (rp2) {small RP};

        node [invisible4, below of=aux3, node distance=1.0cm] (aux) {};

        node [invisible5, draw=none, below of=aux, node distance=1.0cm] (aux4) {};



        path [arrow] (pulse) |- (fp);

        path [arrow] (pulse) |- (rp);

        path [arrow] (fp) |- (minus);

        path [arrow] (rp) |- (minus);

        path [arrow] (minus) -- (threshold);

        path [arrow] (threshold) -| node [above, near start] {yes} (fp2);

        path [arrow] (threshold) -| node [near start] {no} (rp2);

        path [line] (fp2) |- (aux);

        path [line] (rp2) |- (aux);



    end{tikzpicture}

end{figure}



end{document}

This code generates this figure:

I was trying to create the two breaks in the arrows connecting P and FP, P and RP, and an arrow from the bottom FP and RP connecting and pointing below. I've tried to create an auxiliary invisible node between, but this node still occupies space (which can be seen in the image, the gap between the lines).

How can I break these lines?

Thank you!

Choose a point in the middle and 'break' again. Use rounded corners option if you don't want the sharp corners.

documentclass{article}

usepackage{tikz}

usetikzlibrary{shapes,calc,arrows}



begin{document}

% Define block styles

tikzstyle{decision} = [diamond, draw,  

    text width=4.8em, text centered, node distance=2cm, inner sep=0pt]

tikzstyle{block} = [rectangle, draw,  

    text width=7em, text centered, rounded corners, minimum height=2em]

tikzstyle{arrow} = [draw, -latex',rounded corners]

tikzstyle{line} = [draw]

tikzstyle{invisible4} = [rectangle]

tikzstyle{invisible5} = [rectangle]

tikzstyle{circular} = [draw, circle, radius=1.0cm,]



begin{figure}[h]

    centering

    begin{tikzpicture}[node distance = 2cm, auto, scale=1.0]

        node [block] (pulse) {small P};

        node [invisible4, below of=pulse] (aux2) {};

        node [block, left of=aux2] (fp) {small FP};

        node [block, right of=aux2] (rp) {small FP};

        node [circular, below of=aux2] (minus) {small -};

        node [decision, below of=minus] (threshold) {small $le T$ ?};

        node [invisible4, below of=threshold] (aux3) {};

        node [block, left of=aux3] (fp2) {small FP};

        node [block, right of=aux3] (rp2) {small RP};

        node [invisible4, below of=aux3, node distance=1.0cm] (aux) {};

        node [invisible5, draw=none, below of=aux, node distance=1.0cm] (aux4) {};



        path [arrow] (pulse) |- ($(pulse)+(0,-1)$) -| (fp);

        path [arrow] (pulse) |- ($(pulse)+(0,-1)$) -|  (rp);

        path [arrow] (fp) |- (minus);

        path [arrow] (rp) |- (minus);

        path [arrow] (minus) -- (threshold);

        path [arrow] (threshold) -| node [above, near start] {yes} (fp2);

        path [arrow] (threshold) -| node [near start] {no} (rp2);

        path [line] (fp2) |- (aux);

        path [line] (rp2) |- (aux);



    end{tikzpicture}

end{figure}



end{document}