jazz-engine/chord_formation.dot at master · vasilescur/jazz-engine · GitHub

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digraph chord_formation {
    rankdir=TB
    bgcolor="transparent"
    pad=0.4
    nodesep=0.3
    ranksep=0.45

    node [fontname="Helvetica"]
    edge [fontname="Helvetica"]

    // --- Row 1: Input fields ---
    root [
        label=<<FONT POINT-SIZE="22" COLOR="#333333"><B>C</B></FONT><BR/><FONT POINT-SIZE="14" COLOR="#888888">root</FONT>>
        shape=box style="filled,rounded"
        fillcolor="#e0e0e0" color="#bbbbbb"
        penwidth=2 margin="0.15,0.08"
    ]

    pattern [
        label=<<FONT POINT-SIZE="22" COLOR="#333333"><B>[0,2,3,5,7,8,10]</B></FONT><BR/><FONT POINT-SIZE="14" COLOR="#888888">pattern (minor)</FONT>>
        shape=box style="filled,rounded"
        fillcolor="#e0e0e0" color="#bbbbbb"
        penwidth=2 margin="0.15,0.08"
    ]

    degrees [
        label=<<FONT POINT-SIZE="22" COLOR="#333333"><B>[1, 3, 5]</B></FONT><BR/><FONT POINT-SIZE="14" COLOR="#888888">degrees</FONT>>
        shape=box style="filled,rounded"
        fillcolor="#e0e0e0" color="#bbbbbb"
        penwidth=2 margin="0.15,0.08"
    ]

    adjustments [
        label=<<FONT POINT-SIZE="22" COLOR="#333333"><B>[♮, ♮, ♭]</B></FONT><BR/><FONT POINT-SIZE="14" COLOR="#888888">adjustments</FONT>>
        shape=box style="filled,rounded"
        fillcolor="#e0e0e0" color="#bbbbbb"
        penwidth=2 margin="0.15,0.08"
    ]

    // Force left-to-right ordering in top row
    { rank=same; root -> pattern -> degrees -> adjustments [style=invis]; }

    // --- Row 2: Generated scale with brace above ---
    scale [
        shape=none margin=0
        label=<
        <TABLE BORDER="0" CELLBORDER="0" CELLSPACING="0" CELLPADDING="0">
        <TR>
            <TD COLSPAN="7">
                <TABLE BORDER="0" CELLBORDER="0" CELLSPACING="0" CELLPADDING="0">
                <TR>
                    <TD WIDTH="229" HEIGHT="8" SIDES="RB" BORDER="2" COLOR="#999999"></TD>
                    <TD PORT="brace" WIDTH="2" HEIGHT="8"></TD>
                    <TD WIDTH="229" HEIGHT="8" SIDES="LB" BORDER="2" COLOR="#999999"></TD>
                </TR>
                </TABLE>
            </TD>
        </TR>
        <TR><TD COLSPAN="7" HEIGHT="6"></TD></TR>
        <TR>
            <TD PORT="c" WIDTH="65" HEIGHT="50" FIXEDSIZE="TRUE" BGCOLOR="#b8d4f0" BORDER="2" COLOR="#7a9fd4"><FONT POINT-SIZE="12" COLOR="#6688bb">1</FONT><BR/><FONT POINT-SIZE="20" COLOR="#2c3e6b"><B>C</B></FONT></TD>
            <TD WIDTH="65" HEIGHT="50" FIXEDSIZE="TRUE" BGCOLOR="#f0f0f0" BORDER="2" COLOR="#cccccc"><FONT POINT-SIZE="12" COLOR="#aaaaaa">2</FONT><BR/><FONT POINT-SIZE="20" COLOR="#999999">D</FONT></TD>
            <TD WIDTH="65" HEIGHT="50" FIXEDSIZE="TRUE" BGCOLOR="#b8d4f0" BORDER="2" COLOR="#7a9fd4"><FONT POINT-SIZE="12" COLOR="#6688bb">3</FONT><BR/><FONT POINT-SIZE="20" COLOR="#2c3e6b"><B>E♭</B></FONT></TD>
            <TD WIDTH="65" HEIGHT="50" FIXEDSIZE="TRUE" BGCOLOR="#f0f0f0" BORDER="2" COLOR="#cccccc"><FONT POINT-SIZE="12" COLOR="#aaaaaa">4</FONT><BR/><FONT POINT-SIZE="20" COLOR="#999999">F</FONT></TD>
            <TD WIDTH="65" HEIGHT="50" FIXEDSIZE="TRUE" BGCOLOR="#b8d4f0" BORDER="2" COLOR="#7a9fd4"><FONT POINT-SIZE="12" COLOR="#6688bb">5</FONT><BR/><FONT POINT-SIZE="20" COLOR="#2c3e6b"><B>G</B></FONT></TD>
            <TD WIDTH="65" HEIGHT="50" FIXEDSIZE="TRUE" BGCOLOR="#f0f0f0" BORDER="2" COLOR="#cccccc"><FONT POINT-SIZE="12" COLOR="#aaaaaa">6</FONT><BR/><FONT POINT-SIZE="20" COLOR="#999999">A♭</FONT></TD>
            <TD WIDTH="65" HEIGHT="50" FIXEDSIZE="TRUE" BGCOLOR="#f0f0f0" BORDER="2" COLOR="#cccccc"><FONT POINT-SIZE="12" COLOR="#aaaaaa">7</FONT><BR/><FONT POINT-SIZE="20" COLOR="#999999">B♭</FONT></TD>
        </TR>
        </TABLE>
        >
    ]

    scale_label [
        label=<<FONT POINT-SIZE="14" COLOR="#888888"><I>scale from root + pattern</I></FONT>>
        shape=plaintext
    ]

    // --- Row 3: Selected notes before adjustment ---
    selected [
        shape=none margin=0
        label=<
        <TABLE BORDER="0" CELLBORDER="2" CELLSPACING="12" CELLPADDING="8">
        <TR>
            <TD WIDTH="65" HEIGHT="45" FIXEDSIZE="TRUE" BGCOLOR="#b8d4f0" COLOR="#7a9fd4"><FONT POINT-SIZE="20" COLOR="#2c3e6b"><B>C</B></FONT></TD>
            <TD WIDTH="65" HEIGHT="45" FIXEDSIZE="TRUE" BGCOLOR="#b8d4f0" COLOR="#7a9fd4"><FONT POINT-SIZE="20" COLOR="#2c3e6b"><B>E♭</B></FONT></TD>
            <TD WIDTH="65" HEIGHT="45" FIXEDSIZE="TRUE" BGCOLOR="#b8d4f0" COLOR="#7a9fd4"><FONT POINT-SIZE="20" COLOR="#2c3e6b"><B>G</B></FONT></TD>
        </TR>
        </TABLE>
        >
    ]

    selected_label [
        label=<<FONT POINT-SIZE="14" COLOR="#888888"><I>selected by degrees</I></FONT>>
        shape=plaintext
    ]

    // --- Row 4: Final chord notes ---
    result [
        shape=none margin=0
        label=<
        <TABLE BORDER="0" CELLBORDER="2" CELLSPACING="12" CELLPADDING="8" STYLE="rounded">
        <TR>
            <TD WIDTH="65" HEIGHT="55" FIXEDSIZE="TRUE" BGCOLOR="#d4eab8" COLOR="#7aaa5a"><FONT POINT-SIZE="20" COLOR="#3a6b2c"><B>C</B></FONT><BR/><FONT POINT-SIZE="12" COLOR="#6a9b5a">♮</FONT></TD>
            <TD WIDTH="65" HEIGHT="55" FIXEDSIZE="TRUE" BGCOLOR="#d4eab8" COLOR="#7aaa5a"><FONT POINT-SIZE="20" COLOR="#3a6b2c"><B>E♭</B></FONT><BR/><FONT POINT-SIZE="12" COLOR="#6a9b5a">♮</FONT></TD>
            <TD WIDTH="65" HEIGHT="55" FIXEDSIZE="TRUE" BGCOLOR="#d4eab8" COLOR="#7aaa5a"><FONT POINT-SIZE="20" COLOR="#3a6b2c"><B>G♭</B></FONT><BR/><FONT POINT-SIZE="12" COLOR="#6a9b5a">♭</FONT></TD>
        </TR>
        </TABLE>
        >
    ]

    result_label [
        label=<<FONT POINT-SIZE="16" COLOR="#3a6b2c"><B>C diminished</B></FONT>>
        shape=plaintext
    ]

    // --- Edges ---
    root -> scale:c [color="#999999" penwidth=1.5]
    pattern -> scale:brace [color="#999999" penwidth=1.5]

    degrees -> selected [color="#7a9fd4" penwidth=1.5]
    scale -> selected [color="#7a9fd4" penwidth=1.5]

    adjustments -> result [color="#7aaa5a" penwidth=1.5]
    selected -> result [color="#7aaa5a" penwidth=1.5]

    // --- Labels positioned beside their rows ---
    { rank=same; scale; scale_label; }
    { rank=same; selected; selected_label; }
    { rank=same; result; result_label; }

    // Invisible edges for label positioning
    scale -> scale_label [style=invis]
    selected -> selected_label [style=invis]
    result -> result_label [style=invis]
}