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\NeedsTeXFormat{LaTeX2e}
\ProvidesPackage{pmdraw}[2024-06-02 v1.4 pmdraw]

% *------------------------------*
% |7````````````````````````````4|
% |`````____````____`````````````|
% |````|MFMF\  /MFMF|````````````|
% |````|MF|MF\/MF|MF|````````````|
% |````|MF|\MFMF/|MF|_______`````|
% |````|MF|``````|MFMFMFMFMF|````|
% |````|MF|``````|MF|````````````|
% |````|MF|``````|MF|___`````````|
% |``````````````|MFMFMF|````````|
% |``````````````|MF|````````````|
% |``````````````|MF|````````````|
% |``````````````|MF|````````````|
% |3````````````````````````````4|
% *------------------------------*

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                                        %
% Required packages                                      %
%                                                        %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

% \RequirePackage{datetime}
\RequirePackage{keyval}
\RequirePackage{tikz}
\usetikzlibrary{math,decorations.pathreplacing,calligraphy,backgrounds}

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                                        %
%  Internal control and option commands                  %
%   - loosely ordered alphabetically                     %
%   - includes default values where appropriate          %
%                                                        %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

\newcommand{\pmdraw@braceLabel}{}% Label of brace

\newcommand{\pmdraw@diagSep}{1}% Vertical separation between bottom row of top diagram and top row of bottom diagram in product diagram

\newcommand{\pmdraw@drawAedgesOptions}{}% Draw options for added edges in product diagram
\newcommand{\pmdraw@drawAedges}[2]{% Draws added edges in product diagram from #1 vertex to #2 vertex, assumes #1<#2
    \@ifclassloaded{beamer}{% If in beamer
        \uncover<\pmdraw@edgesAddedUncover>{% Uncovers added edges
            \foreach \x in {#1,...,#2} {% For each vertex in range
                \ifnum\value{pmdraw@ifEdgesAdded}=0% If drawing added edges
                    \draw[dotted,thick,apply style/.expand once=\pmdraw@drawAedgesOptions] (\x,0) -- (\x,-\pmdraw@diagSep);% Draw concatenation edge
                \else% If hiding top vertices
                    \phantom{%
                        \draw[dotted,thick,apply style/.expand once=\pmdraw@drawAedgesOptions] (\x,0) -- (\x,-\pmdraw@diagSep);% Draw concatenation edge
                    }%
                \fi%
            }%
        }%
    }{% If not in beamer
        \foreach \x in {#1,...,#2} {% For each vertex in range
            \ifnum\value{pmdraw@ifEdgesAdded}=0% If drawing added edges
                \draw[dotted,thick,apply style/.expand once=\pmdraw@drawAedgesOptions] (\x,0) -- (\x,-\pmdraw@diagSep);% Draw concatenation edge
            \else% If hiding top vertices
                \phantom{%
                    \draw[dotted,thick,apply style/.expand once=\pmdraw@drawAedgesOptions] (\x,0) -- (\x,-\pmdraw@diagSep);% Draw concatenation edge
                }%
            \fi%
        }%
    }%
    \pmdraw@AedgesLoop% Restart for loop
}

\newcommand{\pmdraw@drawBraceDrawOptions}{}% Draw options for brace
\newcommand{\pmdraw@drawBraceNodeOptions}{}% Node options for brace
\newcommand{\pmdraw@drawBraceDefault}[3]{% Draws brace a brace starting from #1 vertex to #2 vertex with label #3, assumes #1<#2 - DEFAULT
    \ifnum\pmdraw@ifProdDiag=1% If drawing a product diagram or if placing brace above diagram
        \draw[
            very thick,
            decorate,
            decoration={calligraphic brace,amplitude=6pt},
            apply style/.expand once=\pmdraw@drawBraceDrawOptions
        ] (#1-0.17,\pmdraw@rowSep+0.5) -- (#2+0.17,\pmdraw@rowSep+0.5)
        node[
            pos=0.5,
            above=6pt,
            apply style/.expand once=\pmdraw@drawBraceNodeOptions
        ] {\(#3\)};% Draw brace on top of diagram
    \else% If not drawing a product diagram or if placing brace below diagram
        \draw[
            very thick,
            decorate,
            decoration={calligraphic brace,mirror,amplitude=6pt},
            apply style/.expand once=\pmdraw@drawBraceDrawOptions
        ] (#1-0.17,-0.5) -- (#2+0.17,-0.5)
        node[
            pos=0.5,
            below=6pt,
            apply style/.expand once=\pmdraw@drawBraceNodeOptions
        ] {\(#3\)};% Draw brace on bottom of diagram
    \fi%
}
\let\pmdraw@drawBrace\pmdraw@drawBraceDefault% Draws brace a brace starting from #1 vertex to #2 vertex with label #3, assumes #1<#2

\newcommand{\pmdraw@drawDotsDrawOptions}{}% Draw options for dots between bricks
\newcommand{\pmdraw@drawDotsNodeOptions}{}% Node options for dots between bricks
\newcommand{\pmdraw@drawDotsDefault}[2]{% Draws dots between bricks at (#1,#2) - DEFAULT
    \draw[apply style/.expand once=\pmdraw@drawDotsDrawOptions] (#1,#2) node[apply style/.expand once=\pmdraw@drawDotsNodeOptions] {\(\dots\)};%
}
\let\pmdraw@drawDots\pmdraw@drawDotsDefault% Draws dots between bricks at (#1,#2)

\newcommand{\pmdraw@drawEdgeDrawOptions}{}% Draw options for edge

\newcommand{\pmdraw@drawLabelBDrawOptions}{}% Draw options for label of a vertex in bottom row
\newcommand{\pmdraw@drawLabelBNodeOptions}{}% Node options for label of a vertex in bottom row
\newcommand{\pmdraw@drawLabelBottomDefault}[3]{% For bottom row, draws the label #3 for a vertex at (#1,#2) - DEFAULT
    \draw[apply style/.expand once=\pmdraw@drawLabelBDrawOptions] (#1,#2) node[below=6pt,apply style/.expand once=\pmdraw@drawLabelBNodeOptions] {\(#3'\)};%
}
\let\pmdraw@drawLabelBottom\pmdraw@drawLabelBottomDefault% For bottom row, draws the label #3 for a vertex at (#1,#2)

\newcommand{\pmdraw@drawLabelTDrawOptions}{}% Draw options for label of a vertex in top row
\newcommand{\pmdraw@drawLabelTNodeOptions}{}% Node options for label of a vertex in top row
\newcommand{\pmdraw@drawLabelTopDefault}[3]{% For top row, draws the label #3 for a vertex at (#1,#2) - DEFAULT
    \draw[apply style/.expand once=\pmdraw@drawLabelTDrawOptions] (#1,#2) node[above=6pt,apply style/.expand once=\pmdraw@drawLabelTNodeOptions] {\(#3\)};%
}
\let\pmdraw@drawLabelTop\pmdraw@drawLabelTopDefault% For top row, draws the label #3 for a vertex at (#1,#2)

\newcommand{\pmdraw@drawLedgesDrawOptions}{}% Draw options for lower non-transversal edges
\newcommand{\pmdraw@drawLedgesDrawDefault}[2]{% Draws lower non-transversal edge from #1 vertex to #2 vertex, assumes #1<#2 - DEFAULT
    \draw[apply style/.expand once=\pmdraw@drawLedgesDrawOptions,apply style/.expand once=\pmdraw@drawEdgeDrawOptions] (#1,0) arc (180:90:\pmdraw{edgeHeight});% Draw left arch
    \draw[apply style/.expand once=\pmdraw@drawLedgesDrawOptions,apply style/.expand once=\pmdraw@drawEdgeDrawOptions] (#1+\pmdraw{edgeHeight},\pmdraw{edgeHeight}) -- (#2-\pmdraw{edgeHeight},\pmdraw{edgeHeight});% Draw straight line
    \draw[apply style/.expand once=\pmdraw@drawLedgesDrawOptions,apply style/.expand once=\pmdraw@drawEdgeDrawOptions] (#2-\pmdraw{edgeHeight},\pmdraw{edgeHeight}) arc (90:0:\pmdraw{edgeHeight});% Draw right arc
    \renewcommand{\pmdraw@drawEdgeDrawOptions}{}% Reset draw options for edge
}
\let\pmdraw@drawLedgesDraw\pmdraw@drawLedgesDrawDefault% Draws lower non-transversal edge from #1 vertex to #2 vertex, assumes #1<#2

\newcommand{\pmdraw@drawNoLabelBa}{-1}% 1st vertex to skip label in bottom row
\newcommand{\pmdraw@drawNoLabelBb}{-1}% 2nd vertex to skip label in bottom row
\newcommand{\pmdraw@drawNoLabelBc}{-1}% 3rd vertex to skip label in bottom row
\newcommand{\pmdraw@drawNoLabelBd}{-1}% 4th vertex to skip label in bottom row
\newcommand{\pmdraw@drawNoLabelBe}{-1}% 5th vertex to skip label in bottom row
\newcommand{\pmdraw@drawNoLabelBf}{-1}% 6th vertex to skip label in bottom row
\newcommand{\pmdraw@drawNoLabelBg}{-1}% 7th vertex to skip label in bottom row
\newcommand{\pmdraw@drawNoLabelBh}{-1}% 8th vertex to skip label in bottom row
\newcommand{\pmdraw@drawNoLabelBi}{-1}% 9th vertex to skip label in bottom row
\newcommand{\pmdraw@drawNoLabelTa}{-1}% 1st vertex to skip label in top row
\newcommand{\pmdraw@drawNoLabelTb}{-1}% 2nd vertex to skip label in top row
\newcommand{\pmdraw@drawNoLabelTc}{-1}% 3rd vertex to skip label in top row
\newcommand{\pmdraw@drawNoLabelTd}{-1}% 4th vertex to skip label in top row
\newcommand{\pmdraw@drawNoLabelTe}{-1}% 5th vertex to skip label in top row
\newcommand{\pmdraw@drawNoLabelTf}{-1}% 6th vertex to skip label in top row
\newcommand{\pmdraw@drawNoLabelTg}{-1}% 7th vertex to skip label in top row
\newcommand{\pmdraw@drawNoLabelTh}{-1}% 8th vertex to skip label in top row
\newcommand{\pmdraw@drawNoLabelTi}{-1}% 9th vertex to skip label in top row

\newcommand{\pmdraw@drawNoVertexBa}{-1}% 1st vertex to skip in bottom row
\newcommand{\pmdraw@drawNoVertexBb}{-1}% 2nd vertex to skip in bottom row
\newcommand{\pmdraw@drawNoVertexBc}{-1}% 3rd vertex to skip in bottom row
\newcommand{\pmdraw@drawNoVertexBd}{-1}% 4th vertex to skip in bottom row
\newcommand{\pmdraw@drawNoVertexBe}{-1}% 5th vertex to skip in bottom row
\newcommand{\pmdraw@drawNoVertexBf}{-1}% 6th vertex to skip in bottom row
\newcommand{\pmdraw@drawNoVertexBg}{-1}% 7th vertex to skip in bottom row
\newcommand{\pmdraw@drawNoVertexBh}{-1}% 8th vertex to skip in bottom row
\newcommand{\pmdraw@drawNoVertexBi}{-1}% 9th vertex to skip in bottom row
\newcommand{\pmdraw@drawNoVertexTa}{-1}% 1st vertex to skip in top row
\newcommand{\pmdraw@drawNoVertexTb}{-1}% 2nd vertex to skip in top row
\newcommand{\pmdraw@drawNoVertexTc}{-1}% 3rd vertex to skip in top row
\newcommand{\pmdraw@drawNoVertexTd}{-1}% 4th vertex to skip in top row
\newcommand{\pmdraw@drawNoVertexTe}{-1}% 5th vertex to skip in top row
\newcommand{\pmdraw@drawNoVertexTf}{-1}% 6th vertex to skip in top row
\newcommand{\pmdraw@drawNoVertexTg}{-1}% 7th vertex to skip in top row
\newcommand{\pmdraw@drawNoVertexTh}{-1}% 8th vertex to skip in top row
\newcommand{\pmdraw@drawNoVertexTi}{-1}% 9th vertex to skip in top row

\newcommand{\pmdraw@drawTedgesDrawOptions}{}% Draw options for transversal edges
\newcommand{\pmdraw@drawTedgesDrawDefault}[2]{% Draws transversal edge from #1 vertex in top row to #2 vertex in bottom row - DEFAULT
    \ifnum\pmdraw@ifTedgeHorizontal=0% If drawing a straight line edge
        \draw[apply style/.expand once=\pmdraw@drawTedgesDrawOptions,apply style/.expand once=\pmdraw@drawEdgeDrawOptions] (#1,\pmdraw@rowSep) -- (#2,0);% Draw straight line
    \else% If transversal edge is drawn horizontally
        \ifnum#1>#2% If edge goes from top right to bottom left
            \draw[apply style/.expand once=\pmdraw@drawTedgesDrawOptions,apply style/.expand once=\pmdraw@drawEdgeDrawOptions] (#2,0) arc (180:90:\pmdraw{Tlevel});% Draw bottom arch
            \draw[apply style/.expand once=\pmdraw@drawTedgesDrawOptions,apply style/.expand once=\pmdraw@drawEdgeDrawOptions] (#2+\pmdraw{Tlevel},\pmdraw{Tlevel}) -- (#1-\pmdraw@rowSep+\pmdraw{Tlevel}, \pmdraw{Tlevel});% Draw straight line
            \draw[apply style/.expand once=\pmdraw@drawTedgesDrawOptions,apply style/.expand once=\pmdraw@drawEdgeDrawOptions] (#1-\pmdraw@rowSep+\pmdraw{Tlevel},\pmdraw{Tlevel}) arc (270:360:{\pmdraw@rowSep-\pmdraw{Tlevel}});% Draw top arc
        \else% If edge goes from top left to bottom right
            \draw[apply style/.expand once=\pmdraw@drawTedgesDrawOptions,apply style/.expand once=\pmdraw@drawEdgeDrawOptions] (#2,0) arc (0:90:\pmdraw{Tlevel});% Draw bottom arch
            \draw[apply style/.expand once=\pmdraw@drawTedgesDrawOptions,apply style/.expand once=\pmdraw@drawEdgeDrawOptions] (#2-\pmdraw{Tlevel},\pmdraw{Tlevel}) -- (#1+\pmdraw@rowSep-\pmdraw{Tlevel}, \pmdraw{Tlevel});% Draw straight line
            \draw[apply style/.expand once=\pmdraw@drawTedgesDrawOptions,apply style/.expand once=\pmdraw@drawEdgeDrawOptions] (#1+\pmdraw@rowSep-\pmdraw{Tlevel},\pmdraw{Tlevel}) arc (270:180:{\pmdraw@rowSep-\pmdraw{Tlevel}});% Draw top arc
        \fi%
        \renewcommand{\pmdraw@ifTedgeHorizontal}{0}% Reset flag to default
    \fi%
    \renewcommand{\pmdraw@drawEdgeDrawOptions}{}% Reset draw options for edge
}
\let\pmdraw@drawTedgesDraw\pmdraw@drawTedgesDrawDefault% Draws transversal edge from #1 vertex in top row to #2 vertex in bottom row

\newcommand{\pmdraw@drawUedgesDrawOptions}{}% Draw options for upper non-transversal edges
\newcommand{\pmdraw@drawUedgesDrawDefault}[2]{% Draws upper non-transversal edge from #1 vertex to #2 vertex, assumes #1<#2 - DEFAULT
    \draw[apply style/.expand once=\pmdraw@drawUedgesDrawOptions,apply style/.expand once=\pmdraw@drawEdgeDrawOptions] (#1,\pmdraw@rowSep) arc (180:270:\pmdraw{edgeHeight});% Draw left arch
    \draw[apply style/.expand once=\pmdraw@drawUedgesDrawOptions,apply style/.expand once=\pmdraw@drawEdgeDrawOptions] (#1+\pmdraw{edgeHeight},\pmdraw@rowSep-\pmdraw{edgeHeight}) -- (#2-\pmdraw{edgeHeight},\pmdraw@rowSep-\pmdraw{edgeHeight});% Draw straight line
    \draw[apply style/.expand once=\pmdraw@drawUedgesDrawOptions,apply style/.expand once=\pmdraw@drawEdgeDrawOptions] (#2-\pmdraw{edgeHeight},\pmdraw@rowSep-\pmdraw{edgeHeight}) arc (270:360:\pmdraw{edgeHeight});% Draw right arc
    \renewcommand{\pmdraw@drawEdgeDrawOptions}{}% Reset draw options for edge
}
\let\pmdraw@drawUedgesDraw\pmdraw@drawUedgesDrawDefault% Draws upper non-transversal edge from #1 vertex to #2 vertex, assumes #1<#2

\newcommand{\pmdraw@drawVertexOptions}{}% Draw options for vertices
\newcommand{\pmdraw@drawVertex}[2]{% Draws a vertex at (#1,#2)
    \fill[apply style/.expand once=\pmdraw@drawVertexOptions] (#1,#2) circle (.17);%
}

\newcommand{\pmdraw@edgeUncover}{1-}% Sets the uncover options of edge
\newcommand{\pmdraw@edgesAddedUncover}{1-}% Sets the uncover options of added edges
\newcommand{\pmdraw@edgesUncover}{1-}% Sets the uncover options of edges

\newcommand{\pmdraw@hookAfterBrick}{}% Hook after drawing a brick
\newcommand{\pmdraw@hookAfterDiagram}{}% Hook after drawing a diagram
\newcommand{\pmdraw@hookBeforeBrick}{}% Hook before drawing a brick
\newcommand{\pmdraw@hookBeforeDiagram}{}% Hook before drawing a diagram

\newcommand{\pmdraw@ifDiagWDots}{0}% Boolean if drawing a diagram with dots
\newcommand{\pmdraw@ifEdgesFirst}{0}% Boolean if drawing edges before vertices
\newcommand{\pmdraw@ifGrid}{0}% Boolean if displaying helper grid
\newcommand{\pmdraw@ifLabelsB}{0}% Boolean if displaying labels for vertices in bottom row
\newcommand{\pmdraw@ifLabelsT}{0}% Boolean if displaying labels for vertices in top row
\newcommand{\pmdraw@ifProdDiag}{0}% Boolean if drawing a product diagram
\newcommand{\pmdraw@ifTedgesFirst}{0}% Boolean if drawing transversal edges before non-transversal edges
\newcommand{\pmdraw@ifTedgeHorizontal}{0}% Boolean if transversal edge is drawn horizontally

\newcommand{\pmdraw@NTedgesHeight}{-1000}% Height of non-transversal edges if manually set, a value of -1000 sets height automatically

\newcommand{\pmdraw@reset}{% Resets user keys and other flags to default values after drawing diagram
    \renewcommand{\pmdraw@diagSep}{1}% Resets vertical space between product diagrams
    \renewcommand{\pmdraw@drawAedgesOptions}{}% Resets draw options for added edges in product diagram
    \let\pmdraw@drawDots\pmdraw@drawDotsDefault% Resets drawing of dots between bricks
    \renewcommand{\pmdraw@edgesAddedUncover}{1-}% Resets the uncover options of added edges
    \renewcommand{\pmdraw@hookAfterDiagram}{}% Clears hook after drawing a diagram
    \renewcommand{\pmdraw@hookBeforeDiagram}{}% Clears hook before drawing a diagram
    \renewcommand{\pmdraw@ifGrid}{0}% Hides grid
    \renewcommand{\pmdraw@ifDiagWDots}{0}% Reset if drawing a diagram with dots
    \renewcommand{\pmdraw@rowSep}{2}% Resets vertical separation between rows of vertices in brick
    \renewcommand{\pmdraw@tikz}{}% Resets tikz options
    \renewcommand{\pmdraw@vertexSep}{0}% Resets vertical space between product diagrams
    \setcounter{pmdraw@blankB}{0}% Resets number of blank vertices in bottom row to the left of brick
    \setcounter{pmdraw@blankT}{0}% Resets number of blank vertices in top row to the left of brick
    \setcounter{pmdraw@bottomShift}{0}% Resets shift on right end of bottom row of brick
    \setcounter{pmdraw@topShift}{0}% Resets shift on right end of top row of brick
    \setcounter{pmdraw@ifDiagWDotsFirst}{1}% Reset if drawing first brick of diagram
    \setcounter{pmdraw@ifEdgesAdded}{0}% Resets boolean if hiding added edges
}

\newcommand{\pmdraw@rowSep}{2}% Vertical separation between rows of vertices in brick

\newcommand{\pmdraw@tikz}{}% Tikz options

\newcommand{\pmdraw@verticesBottomUncover}{1-}% Sets the uncover options of bottom vertices
\newcommand{\pmdraw@verticesTopUncover}{1-}% Sets the uncover options of top vertices

\newcommand{\pmdraw@vertexSep}{0}% Vertical separation between bottom row of top diagram and top row of bottom diagram in product diagram not for added edges

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                                        %
%  Counters                                              %
%   - loosely ordered alphabetically                     %
%   - includes default values where appropriate          %
%                                                        %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

\newcounter{pmdraw@blankB}% Number of blank vertices in bottom row to the left of brick
\newcounter{pmdraw@blankT}% Number of blank vertices in top row to the left of brick

\newcounter{pmdraw@bottomTotal}% Size of bottom row of brick
\newcounter{pmdraw@bottomShift}% Shift on right end of bottom row of brick

\newcounter{pmdraw@braceL}% Left starting vertex of brace
\newcounter{pmdraw@braceR}% Right terminating vertex of brace

\newcounter{pmdraw@brickShift}% Shift required for bricks after dots in diagram with dots

\newcounter{pmdraw@degreeB}% Degree (number of vertices) of bottom row of brick
\newcounter{pmdraw@degreeT}% Degree (number of vertices) of top row of brick

\newcounter{pmdraw@ifDiagWDotsFirst}% In drawing with dots, boolean if drawing first brick of diagram
\setcounter{pmdraw@ifDiagWDotsFirst}{1}

\newcounter{pmdraw@ifEdge}% Boolean if hiding edge
\setcounter{pmdraw@ifEdge}{0}
\newcounter{pmdraw@ifEdgesAdded}% Boolean if hiding added edges
\setcounter{pmdraw@ifEdgesAdded}{0}
\newcounter{pmdraw@ifEdges}% Boolean if hiding edges
\setcounter{pmdraw@ifEdges}{0}

\newcounter{pmdraw@ifVerticesBottom}% Boolean if hiding bottom row of vertices
\setcounter{pmdraw@ifVerticesBottom}{0}
\newcounter{pmdraw@ifVerticesTop}% Boolean if hiding top row of vertices
\setcounter{pmdraw@ifVerticesTop}{0}

\newcounter{pmdraw@labelStartB}% Starting value of labels of vertices in bottom row
\setcounter{pmdraw@labelStartB}{1}
\newcounter{pmdraw@labelStartT}% Starting value of labels of vertices in top row
\setcounter{pmdraw@labelStartT}{1}

\newcounter{pmdraw@NTlevel}% Level corresponding to a height for a non-transversal edge

\newcounter{pmdraw@topTotal}% Size of top row of brick
\newcounter{pmdraw@topShift}% Shift on right end of top row of brick

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                                        %
%  Keys for bricks                                       %
%   - ordered as per manual                              %
%                                                        %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

% To pass draw options to \draw command
% Verbatim copy from:
% https://tex.stackexchange.com/a/64237
\tikzset{apply style/.code={\tikzset{#1}}}

\define@key{pmdraw@brick}{degree}{% Sets degree (number of vertices per row) of diagram
    \setcounter{pmdraw@degreeB}{#1}% Sets degree (number of vertices per row) for bottom row
    \setcounter{pmdraw@degreeT}{#1}% Sets degree (number of vertices per row) for top row
}
\define@key{pmdraw@brick}{degree bottom}{% Sets degree (number of vertices per row) for bottom row
    \setcounter{pmdraw@degreeB}{#1}%
}
\define@key{pmdraw@brick}{degree top}{% Sets degree (number of vertices per row) for top row
    \setcounter{pmdraw@degreeT}{#1}%
}

\define@key{pmdraw@brick}{blank bottom}{% Sets the number of blank vertices on left of bottom row
    \setcounter{pmdraw@blankB}{#1}%
}
\define@key{pmdraw@brick}{blank top}{% Sets the number of blank vertices on left of top row
    \setcounter{pmdraw@blankT}{#1}%
}

\define@key{pmdraw@brick}{row sep}{% Sets vertical separation between rows of vertices in brick
    \renewcommand{\pmdraw@rowSep}{#1}%
}

\define@key{pmdraw@brick}{vertices}{% Sets the draw options of vertices
    \renewcommand{\pmdraw@drawVertexOptions}{#1}%
}
\define@key{pmdraw@brick}{no vertex bottom 1}{% Sets 1st vertex to skip in bottom row
    \renewcommand{\pmdraw@drawNoVertexBa}{#1}%
}
\define@key{pmdraw@brick}{no vertex bottom 2}{% Sets 2nd vertex to skip in bottom row
    \renewcommand{\pmdraw@drawNoVertexBb}{#1}%
}
\define@key{pmdraw@brick}{no vertex bottom 3}{% Sets 3rd vertex to skip in bottom row
    \renewcommand{\pmdraw@drawNoVertexBc}{#1}%
}
\define@key{pmdraw@brick}{no vertex bottom 4}{% Sets 4th vertex to skip in bottom row
    \renewcommand{\pmdraw@drawNoVertexBd}{#1}%
}
\define@key{pmdraw@brick}{no vertex bottom 5}{% Sets 5th vertex to skip in bottom row
    \renewcommand{\pmdraw@drawNoVertexBe}{#1}%
}
\define@key{pmdraw@brick}{no vertex bottom 6}{% Sets 6th vertex to skip in bottom row
    \renewcommand{\pmdraw@drawNoVertexBf}{#1}%
}
\define@key{pmdraw@brick}{no vertex bottom 7}{% Sets 7th vertex to skip in bottom row
    \renewcommand{\pmdraw@drawNoVertexBg}{#1}%
}
\define@key{pmdraw@brick}{no vertex bottom 8}{% Sets 8th vertex to skip in bottom row
    \renewcommand{\pmdraw@drawNoVertexBh}{#1}%
}
\define@key{pmdraw@brick}{no vertex bottom 9}{% Sets 9th vertex to skip in bottom row
    \renewcommand{\pmdraw@drawNoVertexBi}{#1}%
}
\define@key{pmdraw@brick}{no vertex top 1}{% Sets 1st vertex to skip in top row
    \renewcommand{\pmdraw@drawNoVertexTa}{#1}%
}
\define@key{pmdraw@brick}{no vertex top 2}{% Sets 2nd vertex to skip in top row
    \renewcommand{\pmdraw@drawNoVertexTb}{#1}%
}
\define@key{pmdraw@brick}{no vertex top 3}{% Sets 3rd vertex to skip in top row
    \renewcommand{\pmdraw@drawNoVertexTc}{#1}%
}
\define@key{pmdraw@brick}{no vertex top 4}{% Sets 4th vertex to skip in top row
    \renewcommand{\pmdraw@drawNoVertexTd}{#1}%
}
\define@key{pmdraw@brick}{no vertex top 5}{% Sets 5th vertex to skip in top row
    \renewcommand{\pmdraw@drawNoVertexTe}{#1}%
}
\define@key{pmdraw@brick}{no vertex top 6}{% Sets 6th vertex to skip in top row
    \renewcommand{\pmdraw@drawNoVertexTf}{#1}%
}
\define@key{pmdraw@brick}{no vertex top 7}{% Sets 7th vertex to skip in top row
    \renewcommand{\pmdraw@drawNoVertexTg}{#1}%
}
\define@key{pmdraw@brick}{no vertex top 8}{% Sets 8th vertex to skip in top row
    \renewcommand{\pmdraw@drawNoVertexTh}{#1}%
}
\define@key{pmdraw@brick}{no vertex top 9}{% Sets 9th vertex to skip in top row
    \renewcommand{\pmdraw@drawNoVertexTi}{#1}%
}

\define@key{pmdraw@brick}{vertices options}{% Sets the draw command of vertices
    \renewcommand{\pmdraw@drawVertex}[2]{#1}%
}

\define@key{pmdraw@brick}{labels}[]{% Draws labels for vertices
    \renewcommand{\pmdraw@ifLabelsB}{1}%
    \renewcommand{\pmdraw@ifLabelsT}{1}%
}
\define@key{pmdraw@brick}{labels bottom}[]{% Draws labels for bottom vertices
    \renewcommand{\pmdraw@ifLabelsB}{1}%
}
\define@key{pmdraw@brick}{labels top}[]{% Draws labels for top vertices
    \renewcommand{\pmdraw@ifLabelsT}{1}%
}

\define@key{pmdraw@brick}{labels start}{% Sets starting number for vertex labels
    \setcounter{pmdraw@labelStartT}{#1}%
    \setcounter{pmdraw@labelStartB}{#1}%
}
\define@key{pmdraw@brick}{labels bottom start}{% Sets starting number for bottom vertex labels
    \setcounter{pmdraw@labelStartB}{#1}%
}
\define@key{pmdraw@brick}{labels top start}{% Sets starting number for top vertex labels
    \setcounter{pmdraw@labelStartT}{#1}%
}

\define@key{pmdraw@brick}{no label bottom 1}{% Sets 1st label to skip in bottom row
    \renewcommand{\pmdraw@drawNoLabelBa}{#1}%
}
\define@key{pmdraw@brick}{no label bottom 2}{% Sets 2nd label to skip in bottom row
    \renewcommand{\pmdraw@drawNoLabelBb}{#1}%
}
\define@key{pmdraw@brick}{no label bottom 3}{% Sets 3rd label to skip in bottom row
    \renewcommand{\pmdraw@drawNoLabelBc}{#1}%
}
\define@key{pmdraw@brick}{no label bottom 4}{% Sets 4th label to skip in bottom row
    \renewcommand{\pmdraw@drawNoLabelBd}{#1}%
}
\define@key{pmdraw@brick}{no label bottom 5}{% Sets 5th label to skip in bottom row
    \renewcommand{\pmdraw@drawNoLabelBe}{#1}%
}
\define@key{pmdraw@brick}{no label bottom 6}{% Sets 6th label to skip in bottom row
    \renewcommand{\pmdraw@drawNoLabelBf}{#1}%
}
\define@key{pmdraw@brick}{no label bottom 7}{% Sets 7th label to skip in bottom row
    \renewcommand{\pmdraw@drawNoLabelBg}{#1}%
}
\define@key{pmdraw@brick}{no label bottom 8}{% Sets 8th label to skip in bottom row
    \renewcommand{\pmdraw@drawNoLabelBh}{#1}%
}
\define@key{pmdraw@brick}{no label bottom 9}{% Sets 9th label to skip in bottom row
    \renewcommand{\pmdraw@drawNoLabelBi}{#1}%
}
\define@key{pmdraw@brick}{no label top 1}{% Sets 1st label to skip in top row
    \renewcommand{\pmdraw@drawNoLabelTa}{#1}%
}
\define@key{pmdraw@brick}{no label top 2}{% Sets 2nd label to skip in top row
    \renewcommand{\pmdraw@drawNoLabelTb}{#1}%
}
\define@key{pmdraw@brick}{no label top 3}{% Sets 3rd label to skip in top row
    \renewcommand{\pmdraw@drawNoLabelTc}{#1}%
}
\define@key{pmdraw@brick}{no label top 4}{% Sets 4th label to skip in top row
    \renewcommand{\pmdraw@drawNoLabelTd}{#1}%
}
\define@key{pmdraw@brick}{no label top 5}{% Sets 5th label to skip in top row
    \renewcommand{\pmdraw@drawNoLabelTe}{#1}%
}
\define@key{pmdraw@brick}{no label top 6}{% Sets 6th label to skip in top row
    \renewcommand{\pmdraw@drawNoLabelTf}{#1}%
}
\define@key{pmdraw@brick}{no label top 7}{% Sets 7th label to skip in top row
    \renewcommand{\pmdraw@drawNoLabelTg}{#1}%
}
\define@key{pmdraw@brick}{no label top 8}{% Sets 8th label to skip in top row
    \renewcommand{\pmdraw@drawNoLabelTh}{#1}%
}
\define@key{pmdraw@brick}{no label top 9}{% Sets 9th label to skip in top row
    \renewcommand{\pmdraw@drawNoLabelTi}{#1}%
}

\define@key{pmdraw@brick}{labels bottom draw}{% Sets the draw options for labels of bottom vertices
    \renewcommand{\pmdraw@drawLabelBDrawOptions}{#1}%
}
\define@key{pmdraw@brick}{labels bottom node}{% Sets the node options for labels of bottom vertices
    \renewcommand{\pmdraw@drawLabelBNodeOptions}{#1}%
}
\define@key{pmdraw@brick}{labels top draw}{% Sets the draw options for labels of top vertices
    \renewcommand{\pmdraw@drawLabelTDrawOptions}{#1}%
}
\define@key{pmdraw@brick}{labels top node}{% Sets the node options for labels of top vertices
    \renewcommand{\pmdraw@drawLabelTNodeOptions}{#1}%
}

\define@key{pmdraw@brick}{labels bottom options}{% Sets the draw command of labels of bottom vertices
    \renewcommand{\pmdraw@drawLabelBottom}[3]{#1}%
}
\define@key{pmdraw@brick}{labels top options}{% Sets the draw command of labels of top vertices
    \renewcommand{\pmdraw@drawLabelTop}[3]{#1}%
}

\define@key{pmdraw@brick}{no dots}[]{% Does not draw dots in bricks
    \setcounter{pmdraw@ifDiagWDotsFirst}{1}%
}

\define@key{pmdraw@brick}{dots draw}{% Sets the draw options for drawing of dots
    \renewcommand{\pmdraw@drawDotsDrawOptions}{#1}%
}
\define@key{pmdraw@brick}{dots node}{% Sets the node options for drawing of dots
    \renewcommand{\pmdraw@drawDotsNodeOptions}{#1}%
}

\define@key{pmdraw@brick}{vertices bottom phantom}[]{% Does not draw bottom vertices
    \setcounter{pmdraw@ifVerticesBottom}{1}%
}
\define@key{pmdraw@brick}{vertices top phantom}[]{% Does not draw top vertices
    \setcounter{pmdraw@ifVerticesTop}{1}%
}

\define@key{pmdraw@brick}{vertices bottom uncover}{% Sets the uncover options of bottom vertices
    \renewcommand{\pmdraw@verticesBottomUncover}{#1}%
}
\define@key{pmdraw@brick}{vertices top uncover}{% Sets the uncover options of top vertices
    \renewcommand{\pmdraw@verticesTopUncover}{#1}%
}

\define@key{pmdraw@brick}{levels}[1]{% Sets number of horizontal levels for non-transversal edges and evenly spaces them
    \tikzmath{%
        \pmdraw{edgeSepU} = (0.5*\pmdraw@rowSep)/(#1 + 1);% Calculates vertical separation between each edge
        \pmdraw{edgeSepL} = \pmdraw{edgeSepU};% Calculates vertical separation between each edge
    }%
}
\define@key{pmdraw@brick}{levels bottom}{% Sets number of horizontal levels for lower non-transversal edges and evenly spaces them
    \tikzmath{%
        \pmdraw{edgeSepL} = (0.5*\pmdraw@rowSep)/(#1 + 1);% Calculates vertical separation between each edge
    }%
}
\define@key{pmdraw@brick}{levels top}{% Sets number of horizontal levels for upper non-transversal edges and evenly spaces them
    \tikzmath{%
        \pmdraw{edgeSepU} = (0.5*\pmdraw@rowSep)/(#1 + 1);% Calculates vertical separation between each edge
    }%
}

\define@key{pmdraw@brick}{levels sep}{% Sets vertical separation of horizontal levels for non-transversal edges
    \tikzmath{%
        \pmdraw{edgeSepU} = #1;%
        \pmdraw{edgeSepL} = \pmdraw{edgeSepU};%
    }%
}
\define@key{pmdraw@brick}{levels sep bottom}{% Sets vertical separation of lower horizontal levels for non-transversal edges
    \tikzmath{%
        \pmdraw{edgeSepL} = #1;%
    }%
}
\define@key{pmdraw@brick}{levels sep top}{% Sets vertical separation of upper horizontal levels for non-transversal edges
    \tikzmath{%
        \pmdraw{edgeSepU} = #1;%
    }%
}

\define@key{pmdraw@brick}{edges}{% Sets the draw options of all edges
    \renewcommand{\pmdraw@drawUedgesDrawOptions}{#1}%
    \renewcommand{\pmdraw@drawLedgesDrawOptions}{#1}%
    \renewcommand{\pmdraw@drawTedgesDrawOptions}{#1}%
}
\define@key{pmdraw@brick}{edges non-transversal}{% Sets the draw options of non-transversal edges
    \renewcommand{\pmdraw@drawUedgesDrawOptions}{#1}%
    \renewcommand{\pmdraw@drawLedgesDrawOptions}{#1}%
}
\define@key{pmdraw@brick}{edges upper}{% Sets the draw options of upper non-transversal edges
    \renewcommand{\pmdraw@drawUedgesDrawOptions}{#1}%
}
\define@key{pmdraw@brick}{edges lower}{% Sets the draw options of lower non-transversal edges
    \renewcommand{\pmdraw@drawLedgesDrawOptions}{#1}%
}
\define@key{pmdraw@brick}{edges transversal}{% Sets the draw options of transversal edges
    \renewcommand{\pmdraw@drawTedgesDrawOptions}{#1}%
}

\define@key{pmdraw@brick}{edges first}[]{% Draws edges before vertices
    \renewcommand{\pmdraw@ifEdgesFirst}{1}%
}
\define@key{pmdraw@brick}{transversals first}[]{% Draws transversal edges before non-transversal edges
    \renewcommand{\pmdraw@ifTedgesFirst}{1}%
}

\define@key{pmdraw@brick}{edges phantom}[]{% Does not draw edges
    \setcounter{pmdraw@ifEdges}{1}%
}

\define@key{pmdraw@brick}{edges uncover}{% Sets the uncover options of edges
    \renewcommand{\pmdraw@edgesUncover}{#1}%
}

\define@key{pmdraw@brick}{brace}{% Draws a brace
    \setkeys{pmdraw@brace}{#1}% Processes details of brace
    \pmdraw@drawBrace{\value{pmdraw@braceL}}{\value{pmdraw@braceR}}{\pmdraw@braceLabel}% Draws brace
    \let\pmdraw@drawBrace\pmdraw@drawBraceDefault% Resets brace options if changed
}

\define@key{pmdraw@brick}{brace draw}{% Sets the draw options for drawing of brace
    \renewcommand{\pmdraw@drawBraceDrawOptions}{#1}%
}
\define@key{pmdraw@brick}{brace node}{% Sets the node options for drawing of brace
    \renewcommand{\pmdraw@drawBraceNodeOptions}{#1}%
}

\define@key{pmdraw@brick}{decorate before}{% Hook for decorations before brick is drawn
    \renewcommand{\pmdraw@hookBeforeBrick}{#1}%
}
\define@key{pmdraw@brick}{decorate after}{% Hook for decorations after brick is drawn
    \renewcommand{\pmdraw@hookAfterBrick}{#1}%
}

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                                        %
%  Keys for edges                                        %
%   - ordered as per manual                              %
%                                                        %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

\define@key{pmdraw@NTedges}{level}{% Sets level of non-transversal edge
    \setcounter{pmdraw@NTlevel}{#1}%
}
\define@key{pmdraw@NTedges}{height}{% Sets manual height of non-transversal edge
    \renewcommand{\pmdraw@NTedgesHeight}{#1}%
}
\define@key{pmdraw@NTedges}{edge draw}{% Sets the draw options for drawing of edge
    \renewcommand{\pmdraw@drawEdgeDrawOptions}{#1}%
}
\define@key{pmdraw@NTedges}{options}{% Sets the draw command of non-transversal edge
    \renewcommand{\pmdraw@drawUedgesDraw}[2]{#1}%
    \renewcommand{\pmdraw@drawLedgesDraw}[2]{#1}%
}
\define@key{pmdraw@NTedges}{phantom}[]{% Does not draw edge
    \setcounter{pmdraw@ifEdge}{1}%
}
\define@key{pmdraw@NTedges}{uncover}{% Sets the uncover options of edge
    \renewcommand{\pmdraw@edgeUncover}{#1}%
}
\define@key{pmdraw@Tedges}{height}{% Sets manual height of transversal edge
    \tikzmath{%
        \pmdraw{Tlevel} = #1;%
    }%
    \renewcommand{\pmdraw@ifTedgeHorizontal}{1}% Flags manual height
}
\define@key{pmdraw@Tedges}{edge draw}{% Sets the draw options for drawing of edge
    \renewcommand{\pmdraw@drawEdgeDrawOptions}{#1}%
}
\define@key{pmdraw@Tedges}{options}{% Sets the draw command of transversal edge
    \renewcommand{\pmdraw@drawTedgesDraw}[2]{#1}%
}
\define@key{pmdraw@Tedges}{phantom}[]{% Does not draw edge
    \setcounter{pmdraw@ifEdge}{1}%
}
\define@key{pmdraw@Tedges}{uncover}{% Sets the uncover options of edge
    \renewcommand{\pmdraw@edgeUncover}{#1}%
}

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                                        %
%  Keys for brace                                        %
%   - ordered as per manual                              %
%                                                        %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

\define@key{pmdraw@brace}{left}{% Sets starting position of brace
    \setcounter{pmdraw@braceL}{#1}%
}
\define@key{pmdraw@brace}{right}{% Sets terminating position of brace
    \setcounter{pmdraw@braceR}{#1}%
}
\define@key{pmdraw@brace}{label}{% Sets label of brace
    \renewcommand{\pmdraw@braceLabel}{#1}%
}
\define@key{pmdraw@brace}{above}[]{% Set flag to draw brace above diagram
    \renewcommand{\pmdraw@ifProdDiag}{1}%
}
\define@key{pmdraw@brace}{options}{% Sets the draw command of brace
    \renewcommand{\pmdraw@drawBrace}[3]{#1}%
}

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                                        %
%  Keys for diagrams and product diagrams                %
%   - ordered as per manual                              %
%                                                        %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

\define@key{pmdraw@diagram}{row sep}{% Sets vertical separation between rows of vertices in diagram
    \renewcommand{\pmdraw@rowSep}{#1}%
}
\define@key{pmdraw@diagram}{tikz}{% Sets the tikz options
    \renewcommand{\pmdraw@tikz}{#1}%
}
\define@key{pmdraw@diagram}{dots options}{% Sets the draw command of dots between bricks
    \renewcommand{\pmdraw@drawDots}[2]{#1}%
}
\define@key{pmdraw@diagram}{grid}[]{% Flag for drawing coordinate grid
    \renewcommand{\pmdraw@ifGrid}{1}%
}
\define@key{pmdraw@diagram}{decorate before}{% Hook before drawing diagrams
    \renewcommand{\pmdraw@hookBeforeDiagram}{#1}%
}
\define@key{pmdraw@diagram}{decorate after}{% Hook after drawing diagrams
    \renewcommand{\pmdraw@hookAfterDiagram}{#1}%
}

\define@key{pmdraw@diagram}{diagram sep}{% Sets vertical separation between bottom row of top diagram and top row of bottom diagram in product diagram
    \renewcommand{\pmdraw@diagSep}{#1}%
}
\define@key{pmdraw@diagram}{vertex sep}{% Sets vertical separation between bottom row of top diagram and top row of bottom diagram in product diagram not for added edges
    \renewcommand{\pmdraw@vertexSep}{#1}%
}
\define@key{pmdraw@diagram}{edges added}{% Sets the draw options for drawing of added edges in product diagram
    \renewcommand{\pmdraw@drawAedgesOptions}{#1}%
}
\define@key{pmdraw@diagram}{edges added phantom}[]{% Does not draw added edges
    \setcounter{pmdraw@ifEdgesAdded}{1}%
}
\define@key{pmdraw@diagram}{edges added uncover}{% Sets the uncover options of added edges
    \renewcommand{\pmdraw@edgesAddedUncover}{#1}%
}

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                                        %
%  User commands                                         %
%   - loosely ordered alphabetically                     %
%                                                        %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

\newcommand{\pmdBrick}[4][]{% Draws brick
    % #1 Options
    % #2 Upper non-transversal edges, as list [<options>]{<left vertex>}{<right vertex>}, eg [level=1]{2}{3}
    % #3 Lower non-transversal edges, as list [<options>]{<left vertex>}{<right vertex>}, eg [level=1]{2}{3}
    % #4 Transversals, as list [<options>]{<upper vertex>}{<lower vertex>}, eg [level=1]{2}{3}
    \pmdDiagram{{[#1]{#2}{#3}{#4}}}% Uses complete diagram method to draw brick
}

\newcommand{\pmdDiagram}[2][]{% Draws diagram
    % #1 Options
    % #2 List of bricks
    \setkeys{pmdraw@diagram}{#1}% Processes options
    \renewcommand{\pmdraw@ifDiagWDots}{1}% Flags that diagram has dots
    \setcounter{pmdraw@brickShift}{0}% Reset shifting of individual bricks
    \ifmmode% If drawing diagram in a maths equation
        \,% Add space
        \ifnum\pmdraw@ifGrid=1% If displaying helper grid
            \begin{tikzpicture}[scale=.5,baseline=0.405cm,show grid=true,apply style/.expand once=\pmdraw@tikz]%
        \else% If not displaying helper grid
            \begin{tikzpicture}[scale=.5,baseline=0.405cm,apply style/.expand once=\pmdraw@tikz]%
        \fi%
            \pmdraw@hookBeforeDiagram% Hook before drawing diagrams
            \pmdraw@bricksLoop% Commences loop for each brick to be drawn
            #2%
            \pmdEmpty% Terminates loop
            \pmdraw@hookAfterDiagram% Hook after drawing diagrams
        \end{tikzpicture}%
        \,% Add space
    \else% If drawing diagram in normal text
        \raisebox{0.5cm}{% Raise diagram so bottom row is on text baseline
            \ifnum\pmdraw@ifGrid=1% If displaying helper grid
                \begin{tikzpicture}[scale=.5,baseline=0.405cm,show grid=true,apply style/.expand once=\pmdraw@tikz]%
            \else% If not displaying helper grid
                \begin{tikzpicture}[scale=.5,baseline=0.405cm,apply style/.expand once=\pmdraw@tikz]%
            \fi%
                \pmdraw@hookBeforeDiagram% Hook before drawing diagrams
                \pmdraw@bricksLoop% Commences loop for each brick to be drawn
                #2%
                \pmdEmpty% Terminates loop
                \pmdraw@hookAfterDiagram% Hook after drawing diagrams
            \end{tikzpicture}%
        }%
    \fi%
    \pmdraw@reset% Resets user keys and other flags to default values
}

\newcommand{\pmdEmpty}{}% Indicates no edges, internally halts input loops, always is = {}

\newcommand{\pmdProduct}[4][]{% Draws product diagram
    % #1 Options
    % #2 List of added edges
    % #3 Top diagram as list of bricks
    % #4 Bottom diagram as list of bricks
    \setkeys{pmdraw@diagram}{#1}% Processes options
    \ifmmode% If drawing diagram in a maths equation
        \,% Add space
        \ifnum\pmdraw@ifGrid=1% If displaying helper grid
            \begin{tikzpicture}[scale=.5,baseline=-.3475cm,show grid=true,apply style/.expand once=\pmdraw@tikz]%
        \else% If not displaying helper grid
            \begin{tikzpicture}[scale=.5,baseline=-.3475cm,apply style/.expand once=\pmdraw@tikz]%
        \fi%
            \pmdraw@hookBeforeDiagram% Hook before drawing diagrams
            \pmdraw@AedgesLoop% Commences loop for added edges to be drawn
            #2%
            \pmdEmpty% Terminates loop
            \renewcommand{\pmdraw@ifDiagWDots}{1}% Flags that diagram has dot
            \renewcommand{\pmdraw@ifProdDiag}{1}% Flags that diagram is product
            \setcounter{pmdraw@brickShift}{0}% Reset shifting of individual bricks
            \pmdraw@bricksLoop% Commences loop for each brick to be drawn
            #3%
            \pmdEmpty% Terminates loop
            \renewcommand{\pmdraw@ifProdDiag}{0}% Resets flag that diagram is product
            \setcounter{pmdraw@ifDiagWDotsFirst}{1}% Reset if drawing first brick of diagram
            \setcounter{pmdraw@brickShift}{0}% Reset shifting of individual bricks
            \begin{scope}[shift={(0,-\pmdraw@diagSep-\pmdraw@rowSep-\pmdraw@vertexSep)}]% Shift coordinates to be underneath top diagram
                \pmdraw@bricksLoop% Commences loop for each brick to be drawn
                #4%
                \pmdEmpty% Terminates loop
                \renewcommand{\pmdraw@ifDiagWDots}{0}% Reset if drawing a diagram with dots
                \setcounter{pmdraw@ifDiagWDotsFirst}{1}% Reset if drawing first brick of diagram
            \end{scope}%
            \pmdraw@hookAfterDiagram% Hook after drawing diagrams
        \end{tikzpicture}%
        \,% Add space
    \else% If drawing diagram in normal text
        \raisebox{2cm}{% Raise diagram so bottom row is on text baseline
            \ifnum\pmdraw@ifGrid=1% If displaying helper grid
                \begin{tikzpicture}[scale=.5,baseline=0.405cm,show grid=true,apply style/.expand once=\pmdraw@tikz]%
            \else% If not displaying helper grid
                \begin{tikzpicture}[scale=.5,baseline=0.405cm,apply style/.expand once=\pmdraw@tikz]%
            \fi%
                \pmdraw@hookBeforeDiagram% Hook before drawing diagrams
                \pmdraw@AedgesLoop% Commences loop for added edges to be drawn
                #2%
                \pmdEmpty% Terminates loop
                \renewcommand{\pmdraw@ifDiagWDots}{1}% Flags that diagram has dot
                \renewcommand{\pmdraw@ifProdDiag}{1}% Flags that diagram is product
                \setcounter{pmdraw@brickShift}{0}% Reset shifting of individual bricks
                \pmdraw@bricksLoop% Commences loop for each brick to be drawn
                #3%
                \pmdEmpty% Terminates loop
                \renewcommand{\pmdraw@ifProdDiag}{0}% Resets flag that diagram is products
                \setcounter{pmdraw@ifDiagWDotsFirst}{1}% Reset if drawing first brick of diagram
                \setcounter{pmdraw@brickShift}{0}% Reset shifting of individual bricks
                \begin{scope}[shift={(0,-\pmdraw@diagSep-\pmdraw@rowSep-\pmdraw@vertexSep)}]% Shift coordinates to be underneath top diagram
                    \pmdraw@bricksLoop% Commences loop for each brick to be drawn
                    #4%
                    \pmdEmpty% Terminates loop
                    \renewcommand{\pmdraw@ifDiagWDots}{0}% Reset if drawing a diagram with dots
                    \setcounter{pmdraw@ifDiagWDotsFirst}{1}% Reset if drawing first brick of diagram
                \end{scope}%
                \pmdraw@hookAfterDiagram% Hook after drawing diagrams diagram
            \end{tikzpicture}%
        }%
    \fi%
    \pmdraw@reset% Resets user keys and other flags to default values
}

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                                        %
%  For loop commands                                     %
%   - loosely ordered alphabetically                     %
%                                                        %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

\newcommand{\pmdraw@AedgesLoop}{% Starts loop for added edges in product diagram
    \@ifnextchar\pmdEmpty{}{% If not at end of list
        \pmdraw@drawAedges% Draw each edge
    }%
}
\newcommand{\pmdraw@bricksLoop}{% Starts loop to iterate over each brick in diagram
    \@ifnextchar\pmdEmpty{}{% If not at end of list
        \pmdraw@drawBrickInit% Draw each brick
    }%
}
\newcommand{\pmdraw@LedgesLoop}{% Starts loop for lower non-transversal edges
    \@ifnextchar\pmdEmpty{}{% If not at end of list
        \pmdraw@drawLedges% Draw each edge
    }%
}
\newcommand{\pmdraw@TedgesLoop}{% Starts loop for transversal edges
    \@ifnextchar\pmdEmpty{}{% If not at end of list
        \pmdraw@drawTedges% Draw each edge
    }%
}
\newcommand{\pmdraw@UedgesLoop}{% Starts loop for upper non-transversal edges
    \@ifnextchar\pmdEmpty{}{% If not at end of list
        \pmdraw@drawUedges% Draw each edge
    }%
}

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                                        %
%  Draw commands                                         %
%   - loosely ordered alphabetically                     %
%                                                        %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

\newcommand{\pmdraw@drawBottomVertices}{% Draws bottom row of vertices
    \setcounter{pmdraw@bottomTotal}{\value{pmdraw@blankB}}% Store size of bottom row of vertices
    \addtocounter{pmdraw@bottomTotal}{\value{pmdraw@degreeB}}% Store size of bottom row of vertices
    \ifnum\value{pmdraw@ifDiagWDotsFirst}=1% If drawing first brick of diagram
        \setcounter{pmdraw@ifDiagWDotsFirst}{0}% Mark that first brick has been drawn
    \else% If not drawing first brick of diagram
        \pmdraw@drawDots{0.5*\value{pmdraw@topShift}+0.5*\value{pmdraw@blankT}}{\pmdraw@rowSep}% Draw upper dots
        \pmdraw@drawDots{0.5*\value{pmdraw@bottomShift}+0.5*\value{pmdraw@blankB}}{0}% Draw lower dots
    \fi%
    \ifnum\value{pmdraw@topTotal}>\value{pmdraw@bottomTotal}% If top row is longer than bottom row
        \ifnum\pmdraw@ifDiagWDots=1% If drawing a diagram with dots
            \addtocounter{pmdraw@brickShift}{\value{pmdraw@topTotal}}% Keep track of size of diagram
            % Store shifts
            \setcounter{pmdraw@topShift}{-\value{pmdraw@topTotal}}%
            \addtocounter{pmdraw@topShift}{\value{pmdraw@topTotal}}%
            \setcounter{pmdraw@bottomShift}{-\value{pmdraw@topTotal}}%
            \addtocounter{pmdraw@bottomShift}{\value{pmdraw@bottomTotal}}%
        \else% If drawing a diagram without dots
            \setcounter{pmdraw@brickShift}{\value{pmdraw@topTotal}}% Keep track of size of diagram
        \fi%
    \else% If bottom row is longer than top row
        \ifnum\pmdraw@ifDiagWDots=1% If drawing a diagram with dots
            \addtocounter{pmdraw@brickShift}{\value{pmdraw@bottomTotal}}% Keep track of size of diagram
            % Store shifts
            \setcounter{pmdraw@topShift}{-\value{pmdraw@bottomTotal}}%
            \addtocounter{pmdraw@topShift}{\value{pmdraw@topTotal}}%
            \setcounter{pmdraw@bottomShift}{-\value{pmdraw@bottomTotal}}%
            \addtocounter{pmdraw@bottomShift}{\value{pmdraw@bottomTotal}}%
        \else% If drawing a diagram without dots
            \setcounter{pmdraw@brickShift}{\value{pmdraw@bottomTotal}}% Keep track of size of diagram
        \fi%
    \fi%
    \foreach \x in {1,...,\value{pmdraw@degreeB}} {% For each vertex in row
        \ifnum\pmdraw@drawNoVertexBa=\x\else% If not skipping vertex
            \ifnum\pmdraw@drawNoVertexBb=\x\else% If not skipping vertex
                \ifnum\pmdraw@drawNoVertexBc=\x\else% If not skipping vertex
                    \ifnum\pmdraw@drawNoVertexBd=\x\else% If not skipping vertex
                        \ifnum\pmdraw@drawNoVertexBe=\x\else% If not skipping vertex
                            \ifnum\pmdraw@drawNoVertexBf=\x\else% If not skipping vertex
                                \ifnum\pmdraw@drawNoVertexBg=\x\else% If not skipping vertex
                                    \ifnum\pmdraw@drawNoVertexBh=\x\else% If not skipping vertex
                                        \ifnum\pmdraw@drawNoVertexBi=\x\else% If not skipping vertex
                                            \pmdraw@drawVertex{\x + \value{pmdraw@blankB}}{0}% Draw lower vertex
                                        \fi%
                                    \fi%
                                \fi%
                            \fi%
                        \fi%
                    \fi%
                \fi%
            \fi%
        \fi%
        \ifnum\pmdraw@drawNoLabelBa=\x\else% If not skipping label
            \ifnum\pmdraw@drawNoLabelBb=\x\else% If not skipping label
                \ifnum\pmdraw@drawNoLabelBc=\x\else% If not skipping label
                    \ifnum\pmdraw@drawNoLabelBd=\x\else% If not skipping label
                        \ifnum\pmdraw@drawNoLabelBe=\x\else% If not skipping label
                            \ifnum\pmdraw@drawNoLabelBf=\x\else% If not skipping label
                                \ifnum\pmdraw@drawNoLabelBg=\x\else% If not skipping label
                                    \ifnum\pmdraw@drawNoLabelBh=\x\else% If not skipping label
                                        \ifnum\pmdraw@drawNoLabelBi=\x\else% If not skipping label
                                            \ifnum\pmdraw@ifLabelsB=1% If drawing labels
                                                \pmdraw@drawLabelBottom{\x + \value{pmdraw@blankT}}{0}{\thepmdraw@labelStartB}% Draw label
                                            \fi%
                                        \fi%
                                    \fi%
                                \fi%
                            \fi%
                        \fi%
                    \fi%
                \fi%
            \fi%
        \fi%
        \stepcounter{pmdraw@labelStartB}% Update label counter
    }%
}
\newcommand{\pmdraw@drawBrickInit}[1]{% Initialises the drawing of a brick
    \ifnum\value{pmdraw@ifDiagWDotsFirst}=0% If not drawing first brick in diagram
        \stepcounter{pmdraw@brickShift}% Makes space for dots to left of current brick
    \fi%
    \begin{scope}[shift={(\value{pmdraw@brickShift},0)}]% Shift brick to the right of already drawn bricks
        \pmdraw@drawBrick#1% Draw brick
    \end{scope}%
    \pmdraw@bricksLoop% Restart for loop
}
\newcommand{\pmdraw@drawBrick}[4][]{% Draws a brick
    % #1 Options
    % #2 Upper non-transversal edges, as list [<options>]{<left vertex>}{<right vertex>}, eg [level=1]{2}{3}
    % #3 Lower non-transversal edges, as list [<options>]{<left vertex>}{<right vertex>}, eg [level=1]{2}{3}
    % #4 Transversals, as list [<options>]{<upper vertex>}{<lower vertex>}, eg [level=1]{2}{3}
    \setkeys{pmdraw@brick}{levels,#1}% Processes options and set default levels
    \pmdraw@hookBeforeBrick% Hook before drawing brick
    \ifnum\pmdraw@ifEdgesFirst=0% If drawing vertices first
        \@ifclassloaded{beamer}{% If in beamer
            \uncover<\pmdraw@verticesTopUncover>{% Uncovers top vertices
                \ifnum\value{pmdraw@ifVerticesTop}=0% If drawing top vertices
                    \pmdraw@drawTopVertices% Draw base diagram
                \else% If hiding top vertices
                    \phantom{%
                        \pmdraw@drawTopVertices% Draw base diagram
                    }%
                \fi%
            }%
            \uncover<\pmdraw@verticesBottomUncover>{% Uncovers bottom vertices
                \ifnum\value{pmdraw@ifVerticesBottom}=0% If drawing bottom vertices
                    \pmdraw@drawBottomVertices% Draw base diagram
                \else% If hiding top vertices
                    \phantom{%
                        \pmdraw@drawBottomVertices% Draw base diagram
                    }%
                \fi%
            }%
            \uncover<\pmdraw@edgesUncover>{% Uncovers edges
                \ifnum\value{pmdraw@ifEdges}=0% If drawing edges
                    \ifnum\pmdraw@ifTedgesFirst=0% If drawing non-transversals first
                        \pmdraw@UedgesLoop% Draws upper edges
                        #2%
                        \pmdEmpty%
                        \pmdraw@LedgesLoop% Draws lower edges
                        #3%
                        \pmdEmpty%
                        \pmdraw@TedgesLoop% Draws transversals
                        #4%
                        \pmdEmpty%
                    \else% If drawing transversal first
                        \pmdraw@TedgesLoop% Draws transversals
                        #4%
                        \pmdEmpty%
                        \pmdraw@UedgesLoop% Draws upper edges
                        #2%
                        \pmdEmpty%
                        \pmdraw@LedgesLoop% Draws lower edges
                        #3%
                        \pmdEmpty%
                    \fi%
                \else% If hiding edges
                    \phantom{%
                        \ifnum\pmdraw@ifTedgesFirst=0% If drawing non-transversals first
                            \pmdraw@UedgesLoop% Draws upper edges
                            #2%
                            \pmdEmpty%
                            \pmdraw@LedgesLoop% Draws lower edges
                            #3%
                            \pmdEmpty%
                            \pmdraw@TedgesLoop% Draws transversals
                            #4%
                            \pmdEmpty%
                        \else% If drawing transversal first
                            \pmdraw@TedgesLoop% Draws transversals
                            #4%
                            \pmdEmpty%
                            \pmdraw@UedgesLoop% Draws upper edges
                            #2%
                            \pmdEmpty%
                            \pmdraw@LedgesLoop% Draws lower edges
                            #3%
                            \pmdEmpty%
                        \fi%
                    }%
                \fi%
            }%
        }{% If not in beamer
            \ifnum\value{pmdraw@ifVerticesTop}=0% If drawing top vertices
                \pmdraw@drawTopVertices% Draw base diagram
            \else% If hiding top vertices
                \phantom{%
                    \pmdraw@drawTopVertices% Draw base diagram
                }%
            \fi%
            \ifnum\value{pmdraw@ifVerticesBottom}=0% If drawing bottom vertices
                \pmdraw@drawBottomVertices% Draw base diagram
            \else% If hiding top vertices
                \phantom{%
                    \pmdraw@drawBottomVertices% Draw base diagram
                }%
            \fi%
            \ifnum\value{pmdraw@ifEdges}=0% If drawing edges
                \ifnum\pmdraw@ifTedgesFirst=0% If drawing non-transversals first
                    \pmdraw@UedgesLoop% Draws upper edges
                    #2%
                    \pmdEmpty%
                    \pmdraw@LedgesLoop% Draws lower edges
                    #3%
                    \pmdEmpty%
                    \pmdraw@TedgesLoop% Draws transversals
                    #4%
                    \pmdEmpty%
                \else% If drawing transversal first
                    \pmdraw@TedgesLoop% Draws transversals
                    #4%
                    \pmdEmpty%
                    \pmdraw@UedgesLoop% Draws upper edges
                    #2%
                    \pmdEmpty%
                    \pmdraw@LedgesLoop% Draws lower edges
                    #3%
                    \pmdEmpty%
                \fi%
            \else% If hiding edges
                \phantom{%
                    \ifnum\pmdraw@ifTedgesFirst=0% If drawing non-transversals first
                        \pmdraw@UedgesLoop% Draws upper edges
                        #2%
                        \pmdEmpty%
                        \pmdraw@LedgesLoop% Draws lower edges
                        #3%
                        \pmdEmpty%
                        \pmdraw@TedgesLoop% Draws transversals
                        #4%
                        \pmdEmpty%
                    \else% If drawing transversal first
                        \pmdraw@TedgesLoop% Draws transversals
                        #4%
                        \pmdEmpty%
                        \pmdraw@UedgesLoop% Draws upper edges
                        #2%
                        \pmdEmpty%
                        \pmdraw@LedgesLoop% Draws lower edges
                        #3%
                        \pmdEmpty%
                    \fi%
                }%
            \fi%
        }%
    \else% If drawing edges first
        \@ifclassloaded{beamer}{% If in beamer
            \uncover<\pmdraw@edgesUncover>{% Uncovers edges
                \ifnum\value{pmdraw@ifEdges}=0% If drawing edges
                    \ifnum\pmdraw@ifTedgesFirst=0% If drawing non-transversals first
                        \pmdraw@UedgesLoop% Draws upper edges
                        #2%
                        \pmdEmpty%
                        \pmdraw@LedgesLoop% Draws lower edges
                        #3%
                        \pmdEmpty%
                        \pmdraw@TedgesLoop% Draws transversals
                        #4%
                        \pmdEmpty%
                    \else% If drawing transversal first
                        \pmdraw@TedgesLoop% Draws transversals
                        #4%
                        \pmdEmpty%
                        \pmdraw@UedgesLoop% Draws upper edges
                        #2%
                        \pmdEmpty%
                        \pmdraw@LedgesLoop% Draws lower edges
                        #3%
                        \pmdEmpty%
                    \fi%
                \else% If hiding edges
                    \phantom{%
                        \ifnum\pmdraw@ifTedgesFirst=0% If drawing non-transversals first
                            \pmdraw@UedgesLoop% Draws upper edges
                            #2%
                            \pmdEmpty%
                            \pmdraw@LedgesLoop% Draws lower edges
                            #3%
                            \pmdEmpty%
                            \pmdraw@TedgesLoop% Draws transversals
                            #4%
                            \pmdEmpty%
                        \else% If drawing transversal first
                            \pmdraw@TedgesLoop% Draws transversals
                            #4%
                            \pmdEmpty%
                            \pmdraw@UedgesLoop% Draws upper edges
                            #2%
                            \pmdEmpty%
                            \pmdraw@LedgesLoop% Draws lower edges
                            #3%
                            \pmdEmpty%
                        \fi%
                    }%
                \fi%
            }%
            \uncover<\pmdraw@verticesTopUncover>{% Uncovers top vertices
                \ifnum\value{pmdraw@ifVerticesTop}=0% If drawing top vertices
                    \pmdraw@drawTopVertices% Draw base diagram
                \else% If hiding top vertices
                    \phantom{%
                        \pmdraw@drawTopVertices% Draw base diagram
                    }%
                \fi%
            }%
            \uncover<\pmdraw@verticesBottomUncover>{% Uncovers bottm vertices
                \ifnum\value{pmdraw@ifVerticesBottom}=0% If drawing bottom vertices
                    \pmdraw@drawBottomVertices% Draw base diagram
                \else% If hiding top vertices
                    \phantom{%
                        \pmdraw@drawBottomVertices% Draw base diagram
                    }%
                \fi%
            }%
        }{% If not in beamer
            \ifnum\value{pmdraw@ifEdges}=0% If drawing edges
                \ifnum\pmdraw@ifTedgesFirst=0% If drawing non-transversals first
                    \pmdraw@UedgesLoop% Draws upper edges
                    #2%
                    \pmdEmpty%
                    \pmdraw@LedgesLoop% Draws lower edges
                    #3%
                    \pmdEmpty%
                    \pmdraw@TedgesLoop% Draws transversals
                    #4%
                    \pmdEmpty%
                \else% If drawing transversal first
                    \pmdraw@TedgesLoop% Draws transversals
                    #4%
                    \pmdEmpty%
                    \pmdraw@UedgesLoop% Draws upper edges
                    #2%
                    \pmdEmpty%
                    \pmdraw@LedgesLoop% Draws lower edges
                    #3%
                    \pmdEmpty%
                \fi%
            \else% If hiding edges
                \phantom{%
                    \ifnum\pmdraw@ifTedgesFirst=0% If drawing non-transversals first
                        \pmdraw@UedgesLoop% Draws upper edges
                        #2%
                        \pmdEmpty%
                        \pmdraw@LedgesLoop% Draws lower edges
                        #3%
                        \pmdEmpty%
                        \pmdraw@TedgesLoop% Draws transversals
                        #4%
                        \pmdEmpty%
                    \else% If drawing transversal first
                        \pmdraw@TedgesLoop% Draws transversals
                        #4%
                        \pmdEmpty%
                        \pmdraw@UedgesLoop% Draws upper edges
                        #2%
                        \pmdEmpty%
                        \pmdraw@LedgesLoop% Draws lower edges
                        #3%
                        \pmdEmpty%
                    \fi%
                }%
            \fi%
            \ifnum\value{pmdraw@ifVerticesTop}=0% If drawing top vertices
                \pmdraw@drawTopVertices% Draw base diagram
            \else% If hiding top vertices
                \phantom{%
                    \pmdraw@drawTopVertices% Draw base diagram
                }%
            \fi%
            \ifnum\value{pmdraw@ifVerticesBottom}=0% If drawing bottom vertices
                \pmdraw@drawBottomVertices% Draw base diagram
            \else% If hiding top vertices
                \phantom{%
                    \pmdraw@drawBottomVertices% Draw base diagram
                }%
            \fi%
        }%
    \fi%
    \pmdraw@hookAfterBrick% Hook after drawing brick
    % Resets user keys and other flags to default values
    \renewcommand{\pmdraw@drawBraceDrawOptions}{}%
    \renewcommand{\pmdraw@drawBraceNodeOptions}{}%
    \renewcommand{\pmdraw@drawDotsDrawOptions}{}%
    \renewcommand{\pmdraw@drawDotsNodeOptions}{}%
    \renewcommand{\pmdraw@drawLabelBDrawOptions}{}%
    \renewcommand{\pmdraw@drawLabelBNodeOptions}{}%
    \renewcommand{\pmdraw@drawLabelTDrawOptions}{}%
    \renewcommand{\pmdraw@drawLabelTNodeOptions}{}%
    \renewcommand{\pmdraw@drawLedgesDrawOptions}{}%
    \renewcommand{\pmdraw@drawNoLabelBa}{-1}%
    \renewcommand{\pmdraw@drawNoLabelBb}{-1}%
    \renewcommand{\pmdraw@drawNoLabelBc}{-1}%
    \renewcommand{\pmdraw@drawNoLabelBd}{-1}%
    \renewcommand{\pmdraw@drawNoLabelBe}{-1}%
    \renewcommand{\pmdraw@drawNoLabelBf}{-1}%
    \renewcommand{\pmdraw@drawNoLabelBg}{-1}%
    \renewcommand{\pmdraw@drawNoLabelBh}{-1}%
    \renewcommand{\pmdraw@drawNoLabelBi}{-1}%
    \renewcommand{\pmdraw@drawNoLabelTa}{-1}%
    \renewcommand{\pmdraw@drawNoLabelTb}{-1}%
    \renewcommand{\pmdraw@drawNoLabelTc}{-1}%
    \renewcommand{\pmdraw@drawNoLabelTd}{-1}%
    \renewcommand{\pmdraw@drawNoLabelTe}{-1}%
    \renewcommand{\pmdraw@drawNoLabelTf}{-1}%
    \renewcommand{\pmdraw@drawNoLabelTg}{-1}%
    \renewcommand{\pmdraw@drawNoLabelTh}{-1}%
    \renewcommand{\pmdraw@drawNoLabelTi}{-1}%
    \renewcommand{\pmdraw@drawNoVertexBa}{-1}%
    \renewcommand{\pmdraw@drawNoVertexBb}{-1}%
    \renewcommand{\pmdraw@drawNoVertexBc}{-1}%
    \renewcommand{\pmdraw@drawNoVertexBd}{-1}%
    \renewcommand{\pmdraw@drawNoVertexBe}{-1}%
    \renewcommand{\pmdraw@drawNoVertexBf}{-1}%
    \renewcommand{\pmdraw@drawNoVertexBg}{-1}%
    \renewcommand{\pmdraw@drawNoVertexBh}{-1}%
    \renewcommand{\pmdraw@drawNoVertexBi}{-1}%
    \renewcommand{\pmdraw@drawNoVertexTa}{-1}%
    \renewcommand{\pmdraw@drawNoVertexTb}{-1}%
    \renewcommand{\pmdraw@drawNoVertexTc}{-1}%
    \renewcommand{\pmdraw@drawNoVertexTd}{-1}%
    \renewcommand{\pmdraw@drawNoVertexTe}{-1}%
    \renewcommand{\pmdraw@drawNoVertexTf}{-1}%
    \renewcommand{\pmdraw@drawNoVertexTg}{-1}%
    \renewcommand{\pmdraw@drawNoVertexTh}{-1}%
    \renewcommand{\pmdraw@drawNoVertexTi}{-1}%
    \renewcommand{\pmdraw@drawTedgesDrawOptions}{}%
    \renewcommand{\pmdraw@drawUedgesDrawOptions}{}%
    \renewcommand{\pmdraw@drawVertexOptions}{}%
    \renewcommand{\pmdraw@hookBeforeBrick}{}%
    \renewcommand{\pmdraw@hookAfterBrick}{}%
    \renewcommand{\pmdraw@ifEdgesFirst}{0}%
    \renewcommand{\pmdraw@ifLabelsB}{0}%
    \renewcommand{\pmdraw@ifLabelsT}{0}%
    \renewcommand{\pmdraw@ifTedgesFirst}{0}%
    \renewcommand{\pmdraw@edgesUncover}{1-}%
    \renewcommand{\pmdraw@verticesBottomUncover}{1-}%
    \renewcommand{\pmdraw@verticesTopUncover}{1-}%
    \let\pmdraw@drawLabelBottom\pmdraw@drawLabelBottomDefault%
    \let\pmdraw@drawLabelTop\pmdraw@drawLabelTopDefault%
    \let\pmdraw@drawLabelBottom\pmdraw@drawLabelBottomDefault%
    \setcounter{pmdraw@blankB}{0}%
    \setcounter{pmdraw@blankT}{0}%
    \setcounter{pmdraw@labelStartB}{1}%
    \setcounter{pmdraw@labelStartT}{1}%
    \setcounter{pmdraw@ifEdges}{0}%
    \setcounter{pmdraw@ifVerticesBottom}{0}%
    \setcounter{pmdraw@ifVerticesTop}{0}%
}
\newcommand{\pmdraw@drawLedges}[3][]{% Draws lower non-transversal edge, #1 options, #2 L vertex, #3 R vertex
    \setcounter{pmdraw@NTlevel}{1}% Store default level of edge
    \setkeys{pmdraw@NTedges}{#1}% Processes options
    \ifdim\pmdraw@NTedgesHeight pt=-1000pt% If using default heights
        \tikzmath{%
            \pmdraw{edgeHeight}=\value{pmdraw@NTlevel}*\pmdraw{edgeSepL};% Calculates height based on level of edge
        }%
    \else% If using manual heights
        \tikzmath{%
            \pmdraw{edgeHeight}=\pmdraw@NTedgesHeight;% Set manual height
        }%
    \fi%
    \@ifclassloaded{beamer}{% If in beamer
        \uncover<\pmdraw@edgeUncover>{% Uncovers edge
            \ifnum\value{pmdraw@ifEdge}=0% If drawing edge
                \pmdraw@drawLedgesDraw{#2}{#3}% Draw edge
            \else% If hiding edge
                \phantom{%
                    \pmdraw@drawLedgesDraw{#2}{#3}% Draw edge
                }%
            \fi%
        }%
    }{% If not in beamer
        \ifnum\value{pmdraw@ifEdge}=0% If drawing edge
            \pmdraw@drawLedgesDraw{#2}{#3}% Draw edge
        \else% If hiding edge
            \phantom{%
                \pmdraw@drawLedgesDraw{#2}{#3}% Draw edge
            }%
        \fi%
    }%
    % Resets user keys and other flags to default values
    \renewcommand{\pmdraw@NTedgesHeight}{-1000}%
    \renewcommand{\pmdraw@edgeUncover}{1-}%
    \setcounter{pmdraw@ifEdge}{0}%
    \let\pmdraw@drawLedgesDraw\pmdraw@drawLedgesDrawDefault%
    \pmdraw@LedgesLoop% Restart for loop
}
\newcommand{\pmdraw@drawTedges}[3][]{% Draws transversal edge, #1 options, #2 upper vertex, #3 lower vertex
   \setkeys{pmdraw@Tedges}{#1}% Processes options
   \@ifclassloaded{beamer}{% If in beamer
       \uncover<\pmdraw@edgeUncover>{% Uncovers edge
           \ifnum\value{pmdraw@ifEdge}=0% If drawing edge
               \pmdraw@drawTedgesDraw{#2}{#3}% Draw edge
           \else% If hiding edge
               \phantom{%
                   \pmdraw@drawTedgesDraw{#2}{#3}% Draw edge
               }%
           \fi%
       }%
   }{% If not in beamer
       \ifnum\value{pmdraw@ifEdge}=0% If drawing edge
           \pmdraw@drawTedgesDraw{#2}{#3}% Draw edge
       \else% If hiding edge
           \phantom{%
               \pmdraw@drawTedgesDraw{#2}{#3}% Draw edge
           }%
       \fi%
   }%
   % Resets user keys and other flags to default values
   \renewcommand{\pmdraw@edgeUncover}{1-}%
   \setcounter{pmdraw@ifEdge}{0}%
   \let\pmdraw@drawTedgesDraw\pmdraw@drawTedgesDrawDefault%
   \pmdraw@TedgesLoop% Restart for loop
}
\newcommand{\pmdraw@drawTopVertices}{% Draws top row of vertices
    \setcounter{pmdraw@topTotal}{\value{pmdraw@blankT}}% Store size of top row of vertices
    \addtocounter{pmdraw@topTotal}{\value{pmdraw@degreeT}}% Store size of top row of vertices
    \foreach \x in {1,...,\value{pmdraw@degreeT}} {% For each vertex in row
        \ifnum\pmdraw@drawNoVertexTa=\x\else% If not skipping vertex
            \ifnum\pmdraw@drawNoVertexTb=\x\else% If not skipping vertex
                \ifnum\pmdraw@drawNoVertexTc=\x\else% If not skipping vertex
                    \ifnum\pmdraw@drawNoVertexTd=\x\else% If not skipping vertex
                        \ifnum\pmdraw@drawNoVertexTe=\x\else% If not skipping vertex
                            \ifnum\pmdraw@drawNoVertexTf=\x\else% If not skipping vertex
                                \ifnum\pmdraw@drawNoVertexTg=\x\else% If not skipping vertex
                                    \ifnum\pmdraw@drawNoVertexTh=\x\else% If not skipping vertex
                                        \ifnum\pmdraw@drawNoVertexTi=\x\else% If not skipping vertex
                                            \pmdraw@drawVertex{\x + \value{pmdraw@blankT}}{\pmdraw@rowSep}% Draw upper vertex
                                        \fi%
                                    \fi%
                                \fi%
                            \fi%
                        \fi%
                    \fi%
                \fi%
            \fi%
        \fi%
        \ifnum\pmdraw@drawNoLabelTa=\x\else% If not skipping label
            \ifnum\pmdraw@drawNoLabelTb=\x\else% If not skipping label
                \ifnum\pmdraw@drawNoLabelTc=\x\else% If not skipping label
                    \ifnum\pmdraw@drawNoLabelTd=\x\else% If not skipping label
                        \ifnum\pmdraw@drawNoLabelTe=\x\else% If not skipping label
                            \ifnum\pmdraw@drawNoLabelTf=\x\else% If not skipping label
                                \ifnum\pmdraw@drawNoLabelTg=\x\else% If not skipping label
                                    \ifnum\pmdraw@drawNoLabelTh=\x\else% If not skipping label
                                        \ifnum\pmdraw@drawNoLabelTi=\x\else% If not skipping label
                                            \ifnum\pmdraw@ifLabelsT=1% If drawing labels
                                                \pmdraw@drawLabelTop{\x + \value{pmdraw@blankT}}{\pmdraw@rowSep}{\thepmdraw@labelStartT}% Draw label
                                            \fi%
                                        \fi%
                                    \fi%
                                \fi%
                            \fi%
                        \fi%
                    \fi%
                \fi%
            \fi%
        \fi%
        \stepcounter{pmdraw@labelStartT}% Update label counter
    }%
}
\newcommand{\pmdraw@drawUedges}[3][]{% Draws upper non-transversal edge, #1 options, #2 L vertex, #3 R vertex
    \setcounter{pmdraw@NTlevel}{1}% Store default level of edge
    \setkeys{pmdraw@NTedges}{#1}% Processes options
    \ifdim\pmdraw@NTedgesHeight pt=-1000pt% If using default heights
        \tikzmath{%
            \pmdraw{edgeHeight}=\value{pmdraw@NTlevel}*\pmdraw{edgeSepU};% Calculates height based on level of edge
        }%
    \else% If using manual heights
        \tikzmath{%
            \pmdraw{edgeHeight}=\pmdraw@rowSep-\pmdraw@NTedgesHeight;% Set manual height
        }%
    \fi%
    \@ifclassloaded{beamer}{% If in beamer
        \uncover<\pmdraw@edgeUncover>{% Uncovers edge
            \ifnum\value{pmdraw@ifEdge}=0% If drawing edge
                \pmdraw@drawUedgesDraw{#2}{#3}% Draw edge
            \else% If hiding edge
                \phantom{%
                    \pmdraw@drawUedgesDraw{#2}{#3}% Draw edge
                }%
            \fi%
        }%
    }{% If not in beamer
        \ifnum\value{pmdraw@ifEdge}=0% If drawing edge
            \pmdraw@drawUedgesDraw{#2}{#3}% Draw edge
        \else% If hiding edge
            \phantom{%
                \pmdraw@drawUedgesDraw{#2}{#3}% Draw edge
            }%
        \fi%
    }%
    % Resets user keys and other flags to default values
    \renewcommand{\pmdraw@NTedgesHeight}{-1000}%
    \renewcommand{\pmdraw@edgeUncover}{1-}%
    \setcounter{pmdraw@ifEdge}{0}%
    \let\pmdraw@drawLedgesDraw\pmdraw@drawLedgesDrawDefault%
    \let\pmdraw@drawUedgesDraw\pmdraw@drawUedgesDrawDefault%
    \pmdraw@UedgesLoop% Restart for loop
}

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                                        %
%  Grid creation                                         %
%                                                        %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

% This is a verbatim copy of:
% https://tex.stackexchange.com/a/467908

\newif\if@showgrid@grid
\newif\if@showgrid@left
\newif\if@showgrid@right
\newif\if@showgrid@below
\newif\if@showgrid@above
\tikzset{%
    every show grid/.style={},
    show grid/.style={execute at end picture={\@showgrid{grid=true,#1}}},%
    show grid/.default={true},
    show grid/.cd,
    labels/.style={font={\sffamily\small},help lines},
    xlabels/.style={},
    ylabels/.style={},
    keep bb/.code={\useasboundingbox (current bounding box.south west) rectangle (current bounding box.north west);},
    true/.style={left,below},
    false/.style={left=false,right=false,above=false,below=false,grid=false},
    none/.style={left=false,right=false,above=false,below=false},
    all/.style={left=true,right=true,above=true,below=true},
    grid/.is if=@showgrid@grid,
    left/.is if=@showgrid@left,
    right/.is if=@showgrid@right,
    below/.is if=@showgrid@below,
    above/.is if=@showgrid@above,
    false,
}

\def\@showgrid#1{%
    \begin{scope}[every show grid,show grid/.cd,#1]
    \if@showgrid@grid
    \begin{pgfonlayer}{background}
    \draw [help lines]
        (current bounding box.south west) grid
        (current bounding box.north east);
%
    \pgfpointxy{1}{1}%
    \edef\xs{\the\pgf@x}%
    \edef\ys{\the\pgf@y}%
    \pgfpointanchor{current bounding box}{south west}
    \edef\xa{\the\pgf@x}%
    \edef\ya{\the\pgf@y}%
    \pgfpointanchor{current bounding box}{north east}
    \edef\xb{\the\pgf@x}%
    \edef\yb{\the\pgf@y}%
    \pgfmathtruncatemacro\xbeg{ceil(\xa/\xs)}
    \pgfmathtruncatemacro\xend{floor(\xb/\xs)}
    \if@showgrid@below
    \foreach \X in {\xbeg,...,\xend} {
        \node [below,show grid/labels,show grid/xlabels] at (\X,\ya) {\X};
    }
    \fi
    \if@showgrid@above
    \foreach \X in {\xbeg,...,\xend} {
        \node [above,show grid/labels,show grid/xlabels] at (\X,\yb) {\X};
    }
    \fi
    \pgfmathtruncatemacro\ybeg{ceil(\ya/\ys)}
    \pgfmathtruncatemacro\yend{floor(\yb/\ys)}
    \if@showgrid@left
    \foreach \Y in {\ybeg,...,\yend} {
        \node [left,show grid/labels,show grid/ylabels] at (\xa,\Y) {\Y};
    }
    \fi
    \if@showgrid@right
    \foreach \Y in {\ybeg,...,\yend} {
        \node [right,show grid/labels,show grid/ylabels] at (\xb,\Y) {\Y};
    }
    \fi
    \end{pgfonlayer}
    \fi
    \end{scope}
}
\tikzset{every show grid/.style={show grid/keep bb}}%  Keep the original bounding box!

\endinput