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+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% v 1.7
+% AlDraTex %
+% Copyright (C) 1992 Eitan M. Gurari %
+% %
+% This program can redistributed and/or modified under %
+% the terms of the LaTeX Project Public License %
+% Distributed from CTAN archives in directory %
+% macros/latex/base/lppl.txt; either version 1 of the %
+% License, or (at your option) any later version. %
+% %
+% However, you are allowed to modify this program %
+% without changing its name, if you modify its %
+% signature. Changes to the signature can be introduced %
+% with a directive of the form %
+% \message{signature} %
+% %
+% gurari@cis.ohio-state.edu %
+% http://http://www.cis.ohio-state.edu/~gurari/ %
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\expandafter\edef\csname :RestoreCatcodes\endcsname{%
+ \catcode`\noexpand\noexpand\noexpand \^=\the\catcode`\^%
+}
+\catcode`\^=7
+\expandafter\edef\csname :RestoreCatcodes\endcsname{%
+ \csname :RestoreCatcodes\endcsname
+ \catcode`\noexpand \_=\the\catcode`\_%
+ \catcode`\noexpand :=\the\catcode`:%
+ \catcode`\noexpand &=\the\catcode`&%
+ \catcode`\noexpand \#=\the\catcode`\#%
+ \catcode`\noexpand \^^M=\the\catcode`\^^M%
+ \let\expandafter\noexpand
+ \csname:RestoreCatcodes\endcsname=\noexpand\undefined}
+\catcode`\:=11
+\ifx \AlDraTex\:undefined \def\AlDraTex{chart,diagram} \fi
+
+\newif\if:circle
+\newif\if:option
+\def\:CheckOption#1{ \def\:temp{#1}
+ \:optionfalse
+ \expandafter\:GetOptions\AlDraTex,,// }
+
+\def\:GetOptions#1,#2//{ \def\:next{#1}
+ \ifx \:next\empty
+ \else \ifx \:temp\:next \:optiontrue \let\:next=\relax
+ \else \def\:next{\:GetOptions#2//}
+ \fi \fi \:next }
+\def\:DefineExt#1{%
+ \Define#1{\begingroup \:DraCatCodes
+ \csname .:\string#1\endcsname}%
+ \expandafter\Define\csname .:\string#1\endcsname}\IntVar\:C \IntVar\:Ca
+\IntVar\:Cb \IntVar\:Cc \newtoks\:tk
+\DecVar\Va \DecVar\Vb
+\DecVar\:Vc \DecVar\:Vd \DecVar\:Ve
+
+\Define\:GetX(2){\Va=#1;}
+\Define\:GetY(2){\Vb=#2;}
+\Define\:GetXY(2){\Va=#1;\Vb=#2;}\Define\:GetExit(2){
+ \:Vc=#1; \IF \LtDec(\:Vc,0) \THEN \:Vc=-\:Vc; \FI
+ \:Vd=#2; \IF \LtDec(\:Vd,0) \THEN \:Vd=-\:Vd; \FI
+ \IF \LtDec(\:Vd,\:Vc) \THEN \:Vd=\:Vc; \FI
+ \Va=#1; \Vb=#2;
+ \IF \GtDec(\:Vd,0) \THEN \Va/\:Vd; \Vb/\:Vd; \FI }
+\Define\:GetEdgeFront(1){\def\:EdgeFront{#1}}
+\Define\:Count(1){\:C+1;}\let\Defend=\noexpand
+\def\KeepSpaces{\def\:Spaces{\catcode`\ =10 \relax}}
+\def\RemoveSpaces{\let\:Spaces=\relax}
+\RemoveSpaces\def\:edef#1#2{\edef\:Temp{\noexpand\Define
+ \noexpand#1{#2}}\:Temp }
+\:CheckOption{chart}\if:option
+ \edef\AlDraTex{\AlDraTex,pie,bar,xy}
+\else \:CheckOption{pie}\if:option
+ \edef\AlDraTex{\AlDraTex,chart}
+\else \:CheckOption{xy}\if:option
+ \edef\AlDraTex{\AlDraTex,chart}
+\else \:CheckOption{bar}\if:option
+ \edef\AlDraTex{\AlDraTex,chart}
+\fi\fi\fi\fi
+\:CheckOption{chart}\if:option
+ \def\Compute#1(#2){\def\NextDefine{\::Comp#1(#2)}\Define\:Comp(#2)}
+
+\def\::Comp#1(#2){\Define\:Temp(#2){}\ifx \:Temp\:Comp
+ \let\:Compute=\empty
+ \else \Define\:Compute(1){\:Comp(##1)\:Return#1}\fi}
+
+\Compute\I(1){}\Define\:ChooseColor(1){
+\IF \EqDec(#1,1) \THEN \SetBrush(0,0){}
+\ELSE\IF \EqDec(#1,2) \THEN
+ \SetBrush(2pt\du,1pt\du){ \PenSize(0.2pt)
+ \Units(1pt,1pt) \Move(0,-0.37) \Line(0,0.75)}
+\ELSE\IF \EqDec(#1,3) \THEN
+ \SetBrush(1pt\du,2pt\du){ \PenSize(0.2pt)
+ \Units(1pt,1pt) \Move(-0.37,0) \Line(0.75,0)}
+\ELSE\IF \EqDec(#1,4) \THEN
+ \SetBrush(2pt\du,2pt\du){ \PenSize(0.2pt)
+ \Units(1pt,1pt){\Move(-1,0)\Line(2,0)}
+ \Move(0,-1)\Line(0,2)}
+\ELSE\IF \EqDec(#1,5) \THEN
+ \SetBrush(5pt\du,2pt\du){ \PenSize(0.2pt)
+ \Units(1pt,1pt) \Move(0,-0.37) \Line(0,0.75)}
+\ELSE\IF \EqDec(#1,6) \THEN
+ \SetBrush(2pt\du,5pt\du){ \PenSize(0.2pt)
+ \Units(1pt,1pt) \Move(-0.37,0) \Line(0.75,0)}
+\ELSE
+ \SetBrush(#1pt\du,#1pt\du){
+ \Units(1pt,1pt)\PaintRect(0.37,0.37)}
+\FI\FI\FI\FI\FI\FI}
+\fi
+\:CheckOption{pie}\if:option
+ \Define\PieChart{\begingroup \:Spaces \:PieChart}
+
+\Define\:PieChart(1){\endgroup
+ \Table\:Temp{#1}
+ \:Ve=0; \:Temp(0,99){\:total}
+ \MarkLoc(o:) \MoveF(\:PieR) \MarkLoc(b:)
+ \DSeg\:Vd(o:,b:) \MoveToLoc(o:)
+ \:C=0; \:Temp(0,99){\:InsertSlice} } \Define\PieChartSpec(1){
+ \IF \EqText(,#1) \THEN\ELSE \:PieSpec(#1)
+ \FI \:PieCol}
+
+\Define\:PieSpec(3){
+ \:edef\:PieR{#2} \:edef\:LblDist{#3}
+ \IF \EqInt(1,#1) \THEN
+ \def\:ReturnComp##1{\:slice(\Val##1,\Val##1)}
+ \Define\:total(1){
+ \ifx \:Compute\empty \:Ve+##1;
+ \else \let\:Return=\:ReturnAdd \:Compute(##1)\fi}
+ \Define\:InsertSlice(1){
+ \ifx \:Compute\empty \:slice(##1,##1)
+ \else \let\:Return=\:ReturnComp\:Compute(##1) \fi}
+ \ELSE
+ \def\:ReturnComp##1{\edef\:tempa{\Val##1}}
+ \Define\:total(2){
+ \ifx \:Compute\empty \:Ve+##1;
+ \else \let\:Return=\:ReturnAdd \:Compute(##1)\fi}
+ \Define\:InsertSlice(2){
+ \ifx \:Compute\empty \:slice(##1,##2)
+ \else \let\:Return=\:ReturnComp\:Compute(##1)
+ \:slice(\:tempa,##2) \fi}
+ \FI }
+\def\:ReturnAdd#1{\:Ve+#1;}\Define\:slice(2){ \:C+1; \Va=#1; \Va/\:Ve;
+ \Va*360; {
+ \Va/2; \Rotate(\Val\Va) \:DetachSlice
+ \MarkLoc(o:)
+ \MoveF(1pt\du) \MarkLoc(x:) \CSeg\:SetEnEx(x:,o:)
+ \MoveToLoc(o:) \MoveF(\:LblDist) \:AdjChatLbl(0,99){\:MvLbl}
+ \SliceText(--#2--) \MoveToLoc(o:)
+ \Vb=\:Vd; \Vb+\Va; \Vb+\Va;
+ \DrawOvalArc(\:PieR,\:PieR)(\Val\:Vd,\Val\Vb)
+ \:Ca=0; \:PieColors(0,99){\:Ca+1;\:PaintPie}
+ {\RotateTo(\Val\:Vd) \LineF(\:PieR)}
+ \RotateTo(\Val\Vb) \LineF(\:PieR)
+ } \Rotate(\Val\Va) \:Vd+\Va; }
+
+\Define\:SetEnEx(2){\:Vc=#1; \Vb=#2; \EntryExit(\Val\:Vc,\Val\Vb,0,0)}
+\Define\DetachSlices(2){
+ \IF \EqInt(#2,0) \THEN
+ \Define\:DetachSlice{}
+ \ELSE\IF \EqText(,#1) \THEN
+ \def\:DetachSlice{ \MoveF(#2) }
+ \ELSE
+ \Table\:DSlice{#1}
+ \Define\:OptDSlice(1){
+ \IF \EqInt(\:C,##1) \THEN
+ \MoveF(#2)
+ \FI}
+ \Define\:DetachSlice{ \:DSlice(0,99){\:OptDSlice} }
+ \FI \FI } \Define\MovePieLabels(1){
+ \IF \EqText(,#1) \THEN
+ \Table\:AdjChatLbl{0,0,0}
+ \ELSE \Table\:AdjChatLbl{0,0,0&#1} \FI}
+
+\Define\:MvLbl(3){
+ \IF \EqInt(\:C,#1) \THEN \Move(#2,#3) \FI }
+\:DefineExt\:PieCol(1){\endgroup
+ \IF \EqText(,#1) \THEN
+ \ELSE \Table\:PieColors{#1} \FI}
+\Define\:PaintPie(1){{
+ \IF \EqInt(\:C,\:Ca) \THEN
+ \IF \GtDec(#1,0) \THEN
+ \:ChooseColor(#1)
+ \:Ve=\:PieR;
+ \IF \GtDec(\Va,90) \THEN
+ \Va=\:Vd; \Va+181;
+ \PaintOvalArc(\Val\:Ve,\Val\:Ve)(\Val\:Vd,\Val\Va)
+ \Va-1; \:Vd=\Va; \FI
+ \PaintOvalArc(\Val\:Ve,\Val\:Ve)(\Val\:Vd,\Val\Vb)
+ \RotateTo(\Val\Vb) \MoveF(\:PieR) \MarkLoc(a:)
+\MoveToLoc(o:) \RotateTo(\Val\:Vd) \MoveF(\:PieR)
+\MarkLoc(b:) \PaintQuad(o:,o:,a:,b:)
+ \MoveF(-0.5pt\du) \MarkLoc(b:) \MoveToLoc(o:)
+\Rotate(1) \MoveF(\:PieR) \MarkLoc(b':)
+\MoveToLoc(o:) \RotateTo(\Val\Vb) \MoveF(\:PieR)
+\MoveF(-0.5pt\du) \MarkLoc(a:) \MoveToLoc(o:)
+\Rotate(-1) \MoveF(\:PieR) \MarkLoc(a':)
+\PaintQuad(a:,a':,b':,b:)
+ \FI \FI }}\Define\Legend(1){ \AlignGrid(-1,\:LgEn)
+ \PictNode(2){ \EntryExit(-1,\:LgEn,0,0)
+ \DrawRect(\:LgSzX,\:LgSzY)
+ \IF \GtDec(##1,0) \THEN
+ \:ChooseColor(##1)
+ \IF \EqDec(##1,4) \THEN
+ \Move(0.05,0.05) \:Vd=\:LgSzX; \:Ve=\:LgSzY;
+ \:Vd-0.1; \:Ve-0.1;
+ \PaintRect(\Val\:Vd,\Val\:Ve) \Move(-0.05,-0.05)
+ \ELSE \PaintRect(\:LgSzX,\:LgSzY) \FI
+ \FI
+ \:Vd=\:LgSzX; \:Vd+5;
+ \:Ve=\:LgEn; \:Ve+1; \:Ve*\:LgSzY; \:Ve/2;
+ \Move(\Val\:Vd,\Val\:Ve)
+ \Text(--\ignorespaces##2--) }
+ \GridDiagram(#1)()()}
+
+\:DefineExt\LegendSpec(3){\endgroup
+ \:edef\:LgSzX{#1}\:edef\:LgSzY{#2}\:edef\:LgEn{#3}}
+
+\LegendSpec(10,10,0)
+\PieChartSpec(1,40,20)(0)
+\TextPar\Define\SliceText(1){\Text(--#1--)}
+\DetachSlices(,0) \MovePieLabels()
+
+\fi
+\:CheckOption{xy}\if:option
+ \Define\Axis(2){ \MoveToLoc(#1) \CSeg\:GetXY(#1,#2)
+ \begingroup \:Spaces \:axis}
+
+\Define\:axis(2){ \endgroup\:axs#1//{#2}}
+
+\def\:axs#1#2//#3{\::axs(#1,#2,#3)}
+\Define\::axs(3){ \SaveAll \Units(1pt,1pt)
+ \def\:tic{\:ticLn( \Val\:Vc,0)}
+\IF \EqText(W,#1) \THEN
+ \def\:MvTicTxt{\Move(-\:TxtPos,0)}
+ \IF \LtDec(\Va,0) \THEN \Move(\Val\Va,0) \:Vc=-\Va;
+ \ELSE \:Vc=\Va; \FI
+ \EntryExit(1,0,0,0) \Va=0;
+\ELSE\IF \EqText(E,#1) \THEN
+ \IF \GtDec(\Va,0) \THEN
+ \Move(\Val\Va,0) \:Vc=-\Va;
+ \ELSE \:Vc=\Va; \FI
+ \def\:MvTicTxt{\Move(\:TxtPos,0)}
+ \Va=0; \EntryExit(-1,0,0,0)
+\ELSE
+ \def\:tic{\:ticLn(0, \Val\:Vc)}
+ \IF \EqText(N,#1) \THEN
+ \IF \GtDec(\Vb,0) \THEN
+ \Move(0,\Val\Vb) \:Vc=-\Vb;
+ \ELSE \:Vc=\Vb; \FI
+ \EntryExit(0,-1,0,0)
+ \def\:MvTicTxt{\Move(0,\:TxtPos)}
+ \ELSE \EntryExit(0,1,0,0)
+ \IF \LtDec(\Vb,0) \THEN
+ \Move(0,\Val\Vb) \:Vc=-\Vb;
+ \ELSE \:Vc=\Vb; \FI
+ \def\:MvTicTxt{\Move(0,-\:TxtPos)}
+ \FI
+ \Vb=0;
+\FI\FI
+ \:Ca=#2; \IF \EqText(#2,-0) \THEN \:Ca=-1; \FI
+ \IF \LtInt(\:Ca,0) \THEN
+ \:Ca=-#2; { \Line(\Val\Va,\Val\Vb)
+\MarkLoc(bk:)
+\IF \EqDec(\Va,0) \THEN
+ \IF \GtDec(\Vb,0) \THEN
+ \ifx \:FrArrowHead\empty \else \Line(0,5) \fi
+ \Vb=\:ArrowLength;
+ \ELSE
+ \ifx \:FrArrowHead\empty \else \Line(0,-5) \fi
+ \Vb=-\:ArrowLength; \FI
+\ELSE
+ \IF \GtDec(\Va,0) \THEN
+ \ifx \:FrArrowHead\empty \else \Line(5,0) \fi
+ \Va=\:ArrowLength;
+ \ELSE
+ \ifx \:FrArrowHead\empty \else \Line(-5,0) \fi
+ \Va=-\:ArrowLength; \FI
+\FI
+\Move(\Val\Va,\Val\Vb) \MarkLoc(fr:) \:FrArrowHead }
+
+ \FI
+ \:C=\:Ca; \:C/10; \:C*10; \:Ca-\:C;
+ \IF \GtInt(\:Ca,4) \THEN \:Ca-5; \let\:PutTics=\:TicsByLoc \FI
+ \IF \EqInt(\:Ca,4) \THEN
+ \Define\:ticLn(2){\DoLine(##1,##2)(7pt\du){
+ \Units(1pt,1pt) \MoveF(-4) \LineF(2) }}
+ \:Ca-1;
+\ELSE \let\:ticLn=\Line \FI
+ \IF \LtInt(\:Ca,3) \THEN
+ \IF \GtDec(\:Vc,0) \THEN \:Vc= \:TicLn;
+ \ELSE \:Vc=-\:TicLn;
+\FI\FI
+\ifcase \Val\:Ca
+ \:Vc= 0; \def\:TxtPos{3} % 0
+ \or \:Vc=-\:Vc; \:Vd=\:TicLn; \:Vd+3; \edef\:TxtPos{\Val\:Vd} % 1
+\else \def\:TxtPos{3} \fi
+ \:Ca=\:C; \:Ca/10;
+ \Table\:Temp{#3} \:C=-1; \:Temp(0,99){\:Count}
+ \IF \GtInt(\:C,0) \THEN \:PutTics \FI \RecallAll}
+\Define\:PutTics{ \Va/\:C; \Vb/\:C;
+ { \:Temp(0,99){ {\PenSize(\:TicTh)\:tic} \:TicText } }
+ \IF \GtInt(\:Ca,0) \THEN
+ \:C*\:Ca; \Va/\:Ca; \Vb/\:Ca;
+ \IF \GtDec(\:Vc,\:TicLn) \THEN \:Vc= \:TicLn; \FI
+ \IF \LtDec(\:Vc,-\:TicLn) \THEN \:Vc=-\:TicLn; \FI
+ \:Vc*\:TicFc; { \let\:ticLn=\:Ln
+ \Do(0,\Val\:C){ {\PenSize(\:TicTh)\:tic}
+ \Move(\Val\Va,\Val\Vb) }}
+ \FI}\Define\:TicsByLoc{ \MarkLoc(x:)
+ \Define\:tempa(2){\MoveTo(0,##1) \MarkLoc(a:)
+ \MoveTo(0,##2) \MarkLoc(b:)
+ \LSeg\:Ve(a:,b:)}
+ \:Temp(0,0){\:tempa }
+ \Define\:tempa(2){ \MoveTo(0,##1) \MarkLoc(b:)
+ \LSeg\:Vd(a:,b:) \:Vd/\:Ve;
+ { \Va*\:Vd; \Vb*\:Vd; \MoveToLoc(x:)
+ \Move(\Val\Va,\Val\Vb)
+ {\PenSize(\:TicTh)\:tic} \:TicText(##2) }}
+ \:Temp(1,99){\:tempa } }\Define\:TicText(1){ \MarkLoc(o:)
+ \:MvTicTxt\TicText(--#1--) \MoveToLoc(o:)
+ \Move(\Val\Va,\Val\Vb)}
+
+\Define\TicSpec(3){
+ \:edef\:TicLn{#1} \:edef\:TicFc{#2} \:edef\:TicTh{#3}}
+
+\TicSpec(6,0.6,0.2 pt)
+
+\TextPar\Define\TicText(1){ \IF \EqText(,#1) \THEN
+ \ELSE \Text(--\strut#1--) \FI}
+\fi
+\:CheckOption{bar}\if:option
+ \:DefineExt\BarChart(1){\endgroup
+ \Table\:Chart{#1} \MarkLoc(Origin)
+ \XSaveUnits \:Ca=0; \Vb=0; \:Vc=0;
+\:Chart(0,999){\:Ca+1;\:MaxBar}
+\ifx \:Hchart\empty
+ \:Ca*10; \:Vc+\:BarGrdOver;
+\ifx H\:BarDir
+ \Move(\Val\:Vc,0) \MarkLoc(NE)
+ \Move(0,-\Val\:Ca) \MarkLoc(SE)
+ \Vb-\:Vc; \Move(\Val\Vb,0) \Move(-\:BarGrdUnder,0)
+ \MarkLoc(SW) \Move(0,\Val\:Ca) \MarkLoc(NW)
+ \edef\:BsLn{{\noexpand\Line(0,-10)}}
+\else
+ \Move(0,\Val\:Vc) \MarkLoc(NW)
+ \Move(\Val\:Ca,0) \MarkLoc(NE)
+ \Vb-\:Vc; \Move(0,\Val\Vb)
+ \Move(0,-\:BarGrdUnder) \MarkLoc(SE)
+ \Move(-\Val\:Ca,0) \MarkLoc(SW)
+ \edef\:BsLn{{\noexpand\Line(10,0)}}
+\fi \MoveToLoc(Origin)
+\else
+ \Va=\:Vc; \:Vd=\:Vc; \:Vd-\Vb; \Va/\:Vd;
+\ifx H\:BarDir
+ \Va*\:Hchart; \Move(\Val\Va,0)
+ \Move(\:BarGrdOver,0) \MarkLoc(NE)
+ \Move(0,-\:Vchart) \MarkLoc(SE)
+ \Move(-\:Hchart,0) \Move(-\:BarGrdOver,0)
+ \Move(-\:BarGrdUnder,0) \MarkLoc(SW)
+ \Move(0,\:Vchart) \MarkLoc(NW)
+ \:Ca*10; \edef\:BsLn{{\noexpand\Line(0,-10)}}
+\else
+ \Va*\:Vchart; \Move(0,\Val\Va)
+ \Move(0,\:BarGrdOver) \MarkLoc(NW)
+ \Move(\:Hchart,0) \MarkLoc(NE)
+ \Move(0,-\:Vchart) \Move(0,-\:BarGrdOver)
+ \Move(0,-\:BarGrdUnder) \MarkLoc(SE)
+ \Move(-\:Hchart,0) \MarkLoc(SW)
+ \:Ca*10; \edef\:BsLn{{\noexpand\Line(10,0)}}
+\fi \MoveToLoc(Origin)
+ \Va=\:Hchart; \Va/\:Ca;
+ \:Vc-\Vb; \:Vd=\:Vchart; \:Vd/\:Vc;
+ \:Hflip\Units(\Val\Va pt,\Val\:Vd pt)
+ \:Vc+\Vb;
+\fi
+ \def\:GrdLn{}
+\ifx \:BarGrdDist\empty \def\:BsLn{} \else
+ \let\du=\relax
+ \IF \GtInt(\:BarGrdDist,0) \THEN
+ \:Vd=\:Vc; \:Vd/\:BarGrdDist; \:C[\:Vd];
+ \IF \GtDec(\:C,\:Vd) \THEN \:C-1; \FI
+ \IF \GtInt(\:C,0) \THEN
+ \edef\:GrdLn{{ { \noexpand\noexpand\noexpand\:BsLn }
+ \PenSize(\:TicTh)
+ \noexpand\noexpand\noexpand\Do(1,\Val\:C){
+ \:Hflip{\noexpand\noexpand\noexpand\Move}(0,\:BarGrdDist)
+ { \:HflipMY{\noexpand\noexpand\noexpand\Line}(10,0) } }}}
+\:GridLoc(Max)
+
+ \FI
+ \Vb+\:Vc; \Vb-\:BarGrdUnder;
+ \Vb/\:BarGrdDist; \:C[\Vb];
+ \IF \LtDec(\:C,\:Vd) \THEN \:C+1; \FI
+ \IF \LtInt(\:C,0) \THEN
+ \edef\:GrdLn{
+ \ifx\:AddBarDepth\:AddBarDp\:HflipMY{\noexpand\Move}(-\:HBarx,\:VBarx) \fi
+ { \noexpand\:BsLn }
+ \:GrdLn { \PenSize(\:TicTh)
+ \noexpand\Do(-1,\Val\:C){ \:Hflip{\noexpand\Move}(0,-\:BarGrdDist)
+ { \:HflipMY{\noexpand\Line}(10,0) } }}
+}
+\:GridLoc(Min)
+
+ \ELSE \edef\:GrdLn{{\ifx\:AddBarDepth\:AddBarDp
+ \:HflipMY{\noexpand\Move}(-\:HBarx,\:VBarx) \fi
+
+ {\noexpand\:BsLn} \:GrdLn}}
+ \FI
+ \MoveToLoc(Origin)
+ \FI
+ \let\du=\:SvDu
+\fi
+ \Va=0; \:Vc=0;
+ \:Chart(0,99){
+ \:Hflip\Move(0,\Val\:Vc)
+ \:NoBarClip() \:DrawBars}
+ \ifx\:AddBarDepth\:AddBarDp
+ \MoveToLoc(Origin) \:HflipMY\Move(-\:HBarx,\:VBarx) \MarkLoc(Origin)
+ \MoveToLoc(NW) \:HflipMY\Move(-\:HBarx,\:VBarx) \MarkLoc(NW)
+ \MoveToLoc(NE) \:HflipMY\Move(-\:HBarx,\:VBarx) \MarkLoc(NE)
+ \MoveToLoc(SW) \:HflipMY\Move(-\:HBarx,\:VBarx) \MarkLoc(SW)
+ \MoveToLoc(SE) \:HflipMY\Move(-\:HBarx,\:VBarx) \MarkLoc(SE)
+\fi
+ \XRecallUnits \MoveToLoc(Origin)
+ \let\:Return=\:undefined \:NoBarClip() } \Define\:DrawBar(2){
+ \:Bars(#1,#1){\:GetXY} \Vb-\Va;
+ \ifx \:Compute\empty \edef\:tempa{#2}
+ \else \def\:Return##1{\edef\:tempa{\Val##1}}\:Compute(#2)
+ \fi
+ \ifx H\:BarDir \Move(0,-\Val\Va)
+ \:DrawBr(\:tempa,-\Val\Vb) \:AddBarPaint(#1,\:tempa)
+ \Clip(\:tempa,-\Val\Vb)
+ \:AddBarDepth(#1,\:tempa) \:Cluster(\:tempa) \Move(0,\Val\Va)
+ \else \Move(\Val\Va,0)
+ \:DrawBr(\Val\Vb,\:tempa) \:AddBarPaint(#1,\:tempa)
+ \Clip(\Val\Vb,\:tempa)
+ \:AddBarDepth(#1,\:tempa) \:Cluster(\:tempa) \Move(-\Val\Va,0)
+ \fi }
+
+
+\Define\DrawBar(2){ \DrawRect(#1,#2)}
+
+\Define\:DrawBr(1){\MarkLoc(x:)\DrawBar(#1)\MoveToLoc(x:)}
+\:DefineExt\BarChartSpec(1){\endgroup
+ \IF \EqText(,#1) \THEN \ELSE \:BarSpc(#1) \FI \:BarCol }
+
+\Define\:BarSpc(2){
+ \let\:Temp=\:SeqBars \let\:BarDir=V \let\:newStck=\empty
+\let\:endnewStck=\empty
+\Define\:AddBarDepth(2){} \Define\:Cluster(1){}
+\:OptBars#1...// \Table\:Bars{#2}
+ \:C=-1; \:Bars(0,999){\:Count}
+ \ifx \:Temp\:TxtBar \IF \GtInt(\:C,1) \THEN
+ \:tk{#1,#2} \:aldwarn8{}
+ \FI \fi
+ \:Temp }\def\:OptBars#1#2#3#4//{\:OpBr(#1)\:OpBr(#2)\:OpBr(#3)}
+
+\Define\:OpBr(1){
+ \IF \EqText(H,#1) \THEN \let\:BarDir=H
+ \ELSE\IF \EqText(T,#1) \THEN \let\:Temp=\:TxtBar
+ \ELSE\IF \EqText(S,#1) \THEN \Define\:Cluster(1){ \:Vc-##1;
+ \:Hflip\Move(0,##1) }
+\def\:newStck{
+ \edef\:svMinBar{\Val\Vb} \Vb=0;
+ \edef\:svMaxBar{\Val\:Vc} \:Vc=0; }
+\def\:endnewStck {
+ \IF \LtDec(\:svMinBar,\Vb) \THEN \Vb=\:svMinBar; \FI
+ \IF \GtDec(\:svMaxBar,\:Vc) \THEN \:Vc=\:svMaxBar; \FI }
+
+
+ \ELSE\IF \EqText(3,#1) \THEN \let\:AddBarDepth=\:AddBarDp
+ \FI\FI\FI\FI } \def\:BarsCommand#1{\EqInt(\Val\:C,#1)\THEN
+ \Define\:DrawBars(}
+
+\Define\:SeqBars{
+ \IF \:BarsCommand01){ \:DrawBar(0,##1) \:GrdLn
+ \:HflipMY\Move(10,0) \:Vc=0;}
+ \Define\:MaxBar{\:maxBar}
+
+ \ELSE \IF \:BarsCommand12){ \:DrawBar(0,##1) \:DrawBar(1,##2)
+ \:slotgrdln
+ }
+ \Define\:MaxBar(2){
+ \:newStck \:maxBar(##1)\:maxBar(##2) \:endnewStck }
+
+ \ELSE \IF \:BarsCommand23){ \:DrawBar(0,##1)
+ \:DrawBar(1,##2) \:DrawBar(2,##3)
+ \:slotgrdln
+ }
+ \Define\:MaxBar(3){
+ \:newStck \:maxBar(##1)\:maxBar(##2)\:maxBar(##3) \:endnewStck }
+
+ \ELSE \IF \:BarsCommand34){ \:DrawBar(0,##1)
+ \:DrawBar(1,##2) \:DrawBar(2,##3) \:DrawBar(3,##4)
+ \:slotgrdln
+ }
+ \Define\:MaxBar(4){ \:newStck
+ \:maxBar(##1)\:maxBar(##2)\:maxBar(##3)\:maxBar(##4) \:endnewStck }
+
+ \ELSE \IF \:BarsCommand45){ \:DrawBar(0,##1)
+ \:DrawBar(1,##2) \:DrawBar(2,##3)
+ \:DrawBar(3,##4) \:DrawBar(4,##5)
+ \:slotgrdln
+ }
+ \Define\:MaxBar(5){ \:newStck \:maxBar(##1)
+ \:maxBar(##2)\:maxBar(##3)\:maxBar(##4)\:maxBar(##5) \:endnewStck }
+
+ \ELSE \:aldwarn7{}
+ \FI \FI \FI \FI \FI }\Define\:GOBBLE(1){}
+\Define\:AddBarDp(2){ \MarkLoc(a:)
+ \:HflipMY\Line(-\:HBarx,\:VBarx) \MarkLoc(b:)
+ \:HflipMY\Line(0,#2) \MarkLoc(c:)
+ \:HflipMY\Line(\:HBarx,-\:VBarx) \MarkLoc(d:)
+ \ifx \:Cluster\:GOBBLE \:TopIIIdTop
+ \else
+ \IF \GtInt(\:C,#1) \THEN\ELSE \:TopIIIdTop \FI
+ \fi
+ \:HflipMY\Move(\:HBarx,0) \MarkLoc(f:) \MoveToLoc(b:)
+ \:HflipMY\Move(0,-\:VBarx) \MarkLoc(b:) \CSeg\Clip(b:,f:)
+ \MoveToLoc(a:) }
+
+\Define\BarDepth(1){
+ \edef\:HBarx{#1pt\noexpand\du} \Va=#1; \Va*1.25;
+ \edef\:VBarx{\Val\Va pt\noexpand\du} }
+
+
+\BarDepth(3)
+
+\def\:Hflip#1(#2,#3){%
+ \ifx H\:BarDir #1(#3,#2)\else #1(#2,#3)\fi}
+\def\:HflipMY#1(#2,#3){%
+ \ifx H\:BarDir #1(#3,-#2)\else #1(#2,#3)\fi} \Define\:TopIIIdTop{
+ \:HflipMY\Line(\Val\Vb,0) \MarkLoc(e:)
+ \:HflipMY\Line(-\:HBarx,\:VBarx) \MarkLoc(f:)
+ {\LineToLoc(c:)}}\def\::Compute#1{\ifx \:Compute\empty
+ \edef\:tempa{#1}%
+ \else \def\:Return##1{\edef\:tempa{\Val##1}}\:Compute(#1)\fi}
+
+\Define\:TxtBar{
+ \Define\:DrawBars(2){
+ \MarkLoc(a:) \:Bars(0,0){\:GetXY} \Va+\Vb; \Va/2;
+\:HflipMY\Move(\Val\Va,0) \MarkLoc(BarBot)
+\::Compute{##1} \:Hflip\Move(0,\:tempa) \MarkLoc(BarTop)
+ \BarText(--##2--) \MoveToLoc(a:)
+ \:DrawBar(0,##1) \:GrdLn
+ \:HflipMY\Move(10,0) \:Vc=0;}
+ \Define\:MaxBar{\:maxTxtBar}}
+
+\Define\:maxTxtBar(2){\:maxBar(#1)}
+
+\TextPar\Define\BarText(1){
+ \:Hflip\Move(0,4pt\du) \:Hflip\EntryExit(0,-1,0,0)
+ \Text(--\ignorespaces#1--)}\:DefineExt\:BarCol(1){\endgroup
+ \IF \EqText(,#1) \THEN\ELSE
+ \Table\:Color{#1&0&0&0&0} \FI} \Define\:GetColor(1){\:Vc=#1;}
+
+\Define\:AddBarPaint(2){{ \PenSize(0.2pt)
+ \MarkLoc(a:) \MoveTo(0,0) \MarkLoc(b:)
+\ifx V\:BarDir \MoveTo(\Val\Vb,#2)
+\else \MoveTo(#2,-\Val\Vb) \fi
+\MarkLoc(c:) \MoveToLoc(a:) \Units(1pt,1pt)
+ \:Color(#1,#1){\:GetColor}
+ \IF \EqDec(\:Vc,2) \THEN
+ \:VrPnt
+ \ELSE\IF \EqDec(\:Vc,3) \THEN
+ \:HrPnt
+ \ELSE\IF \EqDec(\:Vc,4) \THEN
+ \PenSize(0.2pt) {\:VrPnt} \:HrPnt
+ \ELSE \IF \GtDec(\:Vc,0) \THEN
+ \:ChooseColor(\Val\:Vc)
+ \CSeg\PaintRect(b:,c:)
+ \FI \FI \FI \FI}}\Define\:VrPnt{ \CSeg\:GetXY(b:,c:) \:C[\Va];
+ \:Vc=\Va; \:Vc-2; \:Vc/1.5; \:C[\:Vc];
+ \:Vc=\:C; \:Vc*1.5; \:Vc-\Va; \:Vc/-2; \Move(\Val\:Vc,0)
+ \Do(0,\Val\:C){ {\Line(0,\Val\Vb)} \Move(1.5,0) } }
+\Define\:HrPnt{ \CSeg\:GetXY(b:,c:) \:C[\Vb];
+ \:Vc=\Vb; \ifx V\:BarDir \:Vc-2; \else \:Vc+2; \fi
+ \:Vc/1.5; \:C[\:Vc]; \:Vc=\:C; \:Vc*1.5;
+ \:Vc-\Vb; \:Vc/-2; \Move(0,\Val\:Vc)
+ \Do(0,\Val\:C){ {\Line(\Val\Va,0)}
+ \Move(0,\ifx H\:BarDir-\fi 1.5)} }
+\Define\BarClipOn{\Define\:NoBarClip(1){}}
+\Define\BarClipOff{\let\:NoBarClip=\Clip}
+
+\BarClipOff\Define\:maxBar(1){
+ \ifx \:Compute\empty \edef\:tempa{#1}
+ \else \def\:Return##1{\edef\:tempa{\Val##1}}\:Compute(#1)
+ \fi
+ \IF \GtDec(\:tempa,0) \THEN
+ \ifx \:Cluster\:GOBBLE
+ \IF \GtDec(\:tempa,\:Vc) \THEN \:Vc=\:tempa; \FI
+\else
+ \:Vc+\:tempa;
+\fi
+
+ \ELSE
+ \ifx \:Cluster\:GOBBLE
+ \IF \LtDec(\:tempa,\Vb) \THEN \Vb=\:tempa; \FI
+\else
+ \Vb-\:tempa;
+\fi
+
+ \FI}
+\Define\ChartSize(1){
+ \IF \EqText(,#1) \THEN
+ \def\:Hchart{} \def\:Vchart{}
+ \ELSE \:ChartSz(#1) \FI}
+
+\Define\:ChartSz(2){
+ \MarkLoc(o:) \Move(#1 \du,#2 \du) \MarkLoc(x:)
+ \CSeg\:GetXY(o:,x:) \edef\:Hchart{\Val\Va}
+ \edef\:Vchart{\Val\Vb} \MoveToLoc(o:) }
+
+\ChartSize()\let\:SvDu=\du
+
+\Define\:GridLoc(1){
+ \:Vd=\:C; \:Vd*\:BarGrdDist; \MoveToLoc(Origin)
+ \ifx V\:BarDir
+ \Move(10,0) \MarkLoc(#1)
+ \MoveToLL(Origin,#1)(NE,SE) \Move(0,\Val\:Vd)
+ \else
+ \Move(0,-10) \MarkLoc(#1)
+ \MoveToLL(Origin,#1)(SW,SE) \Move(\Val\:Vd,0)
+ \fi
+ \let\du=\:SvDu
+ \ifx\:AddBarDepth\:AddBarDp \:HflipMY\Move(-\:HBarx,\:VBarx) \fi
+ \let\du=\relax \MarkLoc(#1)}
+\Define\BarGrid(3){
+ \def\:BarGrdDist{#1} \def\:BarGrdUnder{#2}
+ \def\:BarGrdOver{#3}}
+\BarChartSpec(V,2.5,7.5)(0)\BarGrid(0,0,0)
+\Define\:slotgrdln{
+ \:HflipMY\Move(0,\Val\:Vc) \:GrdLn
+ \:HflipMY\Move(10,0) \:Vc=0; }
+
+\fi
+\:CheckOption{diagram}\if:option
+ \edef\AlDraTex{spread,grid,tree,\AlDraTex}
+\else \:CheckOption{spread}\if:option
+ \edef\AlDraTex{diagram,\AlDraTex}
+\else \:CheckOption{grid}\if:option
+ \edef\AlDraTex{diagram,\AlDraTex}
+\else \:CheckOption{tree}\if:option
+ \edef\AlDraTex{diagram,\AlDraTex}
+\fi\fi\fi\fi
+\:CheckOption{xy} \if:option \:circletrue \fi
+\:CheckOption{diagram}\if:option \:circletrue \fi
+\if:circle \Define\ArrowHeads(1){
+ \Define\:FrArrowHead{}
+ \Define\:BkArrowHead{}
+ \Define\:FrCrvArrowHead{}
+ \Define\:BkCrvArrowHead{}
+ \IF \GtInt(#1,0) \THEN
+ \Define\:FrArrowHead{\:ArrowHead(bk:,fr:)}
+ \Define\:FrCrvArrowHead{
+ \DSeg\RotateTo(2:,2':)
+ \MoveToLoc(2:) \MoveF(\:ArrowLength pt\du)
+ \MoveF(0.1 pt\du) \MarkLoc(1'':) \MarkLoc(2'':)
+ \MoveToLoc(2':) \MoveF(\:ArrowLength pt\du)
+ \MoveF(0.1 pt\du) \MarkLoc(1'':) \MarkLoc(2':)
+ \:ArrowHead(2'':,2:) }
+ \FI
+ \IF \GtInt(#1,1) \THEN
+ \Define\:BkArrowHead{\:ArrowHead(fr:,bk:)}
+ \Define\:BkCrvArrowHead{
+ \DSeg\RotateTo(1:,1':)
+ \MoveToLoc(1:) \MoveF(\:ArrowLength pt\du)
+ \MoveF(0.1 pt\du) \MarkLoc(1'':) \MarkLoc(1'':)
+ \MoveToLoc(1':) \MoveF(\:ArrowLength pt\du)
+ \MoveF(0.1 pt\du) \MarkLoc(1'':) \MarkLoc(1':)
+ \:ArrowHead(1'':,1:) }
+ \FI }
+
+\Define\:ArrowHead(2){
+ \LSeg\Va(#1,#2)
+ \IF \LtDec(\Va,\:ArrowLength) \THEN \:aldwarn0{}
+ \ELSE \MoveToLoc(#2) \DSeg\RotateTo(#1,#2)
+ \MoveF(-\:ArrowLength pt\du)
+ { \Ragged(\:ArrowRagged) \Rotate(90) \Va=\:ArrowWidth;
+ \Va/2; \MoveF(\Val\Va pt\du) \MarkLoc(#2')
+ \Va*2; \MoveF(-\Val\Va pt\du) \MarkLoc(#2'')
+ \:head(#2) } \MarkLoc(#2) \FI }
+
+\Define\ArrowSpec(1){\:ArSp(#1,)}
+
+\Define\:ArSp(2){
+ \IF \EqText(V,#1) \THEN \Define\:head(1){
+ { \Va/2; \MoveF(\Val\Va pt\du) \MarkLoc(a:)
+ \CSeg\:EdgeLine(a:,##1) }
+ \MarkLoc(a:) \CSeg\:EdgeLine(a:,##1)
+ \MarkLoc(a:) \CSeg\:EdgeLine(a:,##1') } \FI
+ \IF \EqText(H,#1) \THEN \Define\:head(1){
+ \MarkLoc(a:) \CSeg\:EdgeLine(a:,##1)
+ \MarkLoc(a:) \CSeg\:EdgeLine(a:,##1')
+ \MarkLoc(a:) \CSeg\:EdgeLine(a:,##1'')} \FI
+ \IF \EqText(F,#1) \THEN \Define\:head(1){\PaintQuad(##1,##1,##1',##1'')}
+ \FI
+ \IF \EqText(,#2) \THEN\ELSE \:ArrowHeadSpec(#2) \FI }
+
+\Define\:ArrowHeadSpec(4){ \:edef\:ArrowLength{#1}
+ \:edef\:ArrowWidth{#2} \:edef\:ArrowRagged{#3}}
+\ArrowHeads(0) \ArrowSpec(F,10,6,5) \:circlefalse \fi
+\:CheckOption{diagram}\if:option
+ \Define\NewNode(2){
+ \Define#1(1){
+ \Define\:FrameType{\csname \string#1:Frame\endcsname}
+ \Define\:NodeName{##1}
+ \Indirect\Define<##1.mvto>{#2} \:NodeBody}
+ \expandafter\Define\csname \string#1:Frame\endcsname}
+\Define\TextNode{
+ \TextPar\Define\:NodeBody(1){
+ \Object\:tmp{
+ \:NodeContent(--##1--)
+ \:FrameType }
+ \:SetNode }
+ \TextPar\Define\:NodeContent}
+
+\Define\PictNode{
+ \Define\:NodeBody(1){
+ \Object\:tmp{ \Object\:temp{\:NodeContent(##1)}
+ \:temp \:FrameType }
+ \:SetNode }
+ \TextPar\Define\:NodeContent}
+
+\TextNode(1){\Text(--#1--)}\Define\:SetNode{\:SetNodeA }
+
+\Define\:SetNodeA{ \:tmp
+ \MarkLoc(a:) \MoveToExit(0,0) \MarkLoc(\:NodeName)
+ \MoveToExit(1,1) \MarkLoc(\:NodeName;:11)
+ \MoveToLoc(a:) \:circlefalse }
+\Define\DefNode{
+ \Define\:SetNode{
+ \Indirect\let<\:NodeName :call> = \:tmp
+\def\:temp{\Indirect\let<\:NodeName :bdy> = }
+ \expandafter\:temp \csname \string \:tmp .\endcsname
+\Indirect\let<\:NodeName :frm> = \:FrameType
+\Indirect\let<\:NodeName :cnt> = \:NodeContent
+\Indirect\edef<\:NodeName :crc>{
+ \if:circle \noexpand\:circletrue
+ \else \noexpand\:circlefalse \fi}
+
+ \FigSize\Va\Vb{ \:SetNodeA } \Va/2; \Vb/2;
+\MarkLoc(\:NodeName) \Move(\Val\Va,\Val\Vb)
+\MarkLoc(\:NodeName;:11) \MoveToLoc(\:NodeName)
+
+ \:circlefalse
+ \Define\:SetNode{\:SetNodeA } }
+ \:DefNode
+}
+\def\:DefNode#1(#2){#1(#2)}
+\Define\PutNode(1){
+ \def\:NodeName{#1}
+ \Indirect{ \expandafter \let \csname \string \:tmp .\endcsname = }
+ <#1:bdy>
+ \Indirect<#1:crc>
+ \Indirect{ \let\:FrameType = }<#1:frm>
+ \Indirect{ \let\:NodeContent = }<#1:cnt>
+ \Indirect{ \let\:tmp = }<#1:call>
+ \ifx\:tmp\relax \:aldwarn{10}{#1}\fi
+ \:SetNodeA
+ \Indirect\let<\:NodeName :call> = \:undef
+\Indirect\let<\:NodeName :cnt> = \:undef
+\Indirect\let<\:NodeName :frm> = \:undef
+\Indirect\let<\:NodeName :bdy> = \:undef
+\Indirect\let<\:NodeName :crc> = \:undef
+ }
+\Define\ZeroNodesDim{
+ \def\MaxX{0} \def\MaxY{0}
+ \def\WidthX{0} \def\WidthY{0} }
+\Define\AddNodeDim(1){
+ \CSeg\:GetXY(#1,#1;:11)
+ \IF \GtDec(\Va,\MaxX) \THEN \edef\MaxX{\Val\Va} \FI
+ \Va*2; \edef\Widthx{\Val\Va} \Va+\WidthX; \edef\WidthX{\Val\Va}
+ \IF \GtDec(\Vb,\MaxY) \THEN \edef\MaxY{\Val\Vb} \FI
+ \Vb*2; \edef\Widthy{\Val\Vb} \Vb+\WidthY; \edef\WidthY{\Val\Vb} }
+
+\Define\NewCIRCNode(3){
+ \ifx \CIRC\:undefined \:aldwarn9\relax
+ \font\CIRC=lcircle10\space scaled\magstep5
+ \fi
+ \Define\:Temp(2){
+ \IF \EqText(,#3) \THEN
+ \NewNode(#1,\MoveToOval){
+ \Text(--\hbox to##1pt{%
+ \vrule height ##2pt depth ##2pt%
+ width0pt%
+ \hss\hbox to##2pt{%
+ \CIRC \char #2\hss}}--)}
+ \ELSE
+ \NewNode(#1,\MoveToOval){
+ \Text(--\hbox to##1pt{%
+ \hss\hbox to##2pt{%
+ \CIRC \char #3\hss}}--)
+ \Text(--\hbox to##1pt{%
+ \vrule height ##2pt depth ##2pt%
+ width0pt%
+ \hss\hbox to##2pt{%
+ \CIRC \char #2\hss}}--)}
+ \FI }
+ \setbox\:box=\hbox{\CIRC \char #2}
+ \IF \EqText(,#3) \ELSE \IF \GtInt(#3,#2) \THEN
+ \setbox\:box=\hbox{\CIRC \char #3}
+ \FI \FI
+ \edef\:tempa{\noexpand\Va=\:Cons\wd\:box;}
+ \:tempa \Vb=\Va; \Vb/2;
+ \edef\:tempa{\noexpand\:Temp(\Val\Va,\Val\Vb)}
+ \:tempa }
+\Define\NodeMargin(2){\def\:XNodeMargin{#1}\def\:YNodeMargin{#2}}
+\NodeMargin(2,2) \Define\GetNodeSize{
+ \MoveToExit(1,1)
+ \Move(\:XNodeMargin pt\du,\:YNodeMargin pt\du)
+ \MarkLoc(:11) \MoveToExit(0,0) \MarkLoc(:00)
+ \CSeg\:GetXY(:00,:11)}
+
+\Define\SetMinNodeSize{
+ \IF \LtDec(\Va,\:NodeX) \THEN \Va=\:NodeX; \FI
+ \IF \LtDec(\Vb,\:NodeY) \THEN \Vb=\:NodeY; \FI }
+
+
+\Define\MinNodeSize(1){\:MinNodeSize(#1,)}
+\Define\:MinNodeSize(2){
+ \IF \EqText(,#2) \THEN
+ \edef\:Temp{\noexpand\:MinNdSz(\csname :#1::\endcsname,)}
+ \ELSE
+ \def\:Temp{\:MinNdSz(#1,#2)}
+ \FI \:Temp}
+\Define\:MinNdSz(3){
+ \Va=#1; \Va/2; \edef\:NodeX{\Val\Va}
+ \Va=#2; \Va/2; \edef\:NodeY{\Val\Va} }
+
+\Define\SaveNodeSize(1){ \CSeg\:GetXY(#1,#1;:11)
+ \Va*2; \Vb*2;
+ \expandafter\edef\csname :#1::\endcsname{\Val\Va,\Val\Vb} }
+
+ \Define\:Temp{
+\def\SaveDrawSize(##1)##2{
+ \FigSize\Va\Vb{##2}
+ \expandafter\edef\csname :##1::\endcsname{\Val\Va,\Val\Vb} }
+ }\:Temp
+
+\MinNodeSize(0,0)\def\:NodeLine{\Line} \def\:NodeArc{\DrawOvalArc}
+\Define\SRectNodeSpec(1){\:edef\:ShadowSize{#1}}
+\Define\VRectNodeSpec(1){\:edef\:Vdepth{#1}}
+
+\VRectNodeSpec(4) \SRectNodeSpec(3) \def\NodeIx#1#2{#1=\:C;#2=\:Ca;}
+\NewNode(\RectNode,\MoveToRect){ \:RectShape }
+\NewNode(\VRectNode,\:MoveToVRect){ \:RectShape
+ \:Vc=\:Vdepth; \:Vc/2; \:NodeLine(\:Vdepth,-\Val\:Vc)
+ \:NodeLine(\Val\Va,0) {\:NodeLine(-\:Vdepth,\Val\:Vc)}
+ \:NodeLine(0,\Val\Vb) \:NodeLine(-\:Vdepth,\Val\:Vc) }
+\NewNode(\SRectNode,\MoveToRect){ \Units(1pt,1pt)
+ \GetNodeSize \SetMinNodeSize
+ \Move(-\Val\Va,-\Val\Vb) \Va*2; \Vb*2;
+ \:NodeLine(0,\Val\Vb) \:NodeLine(\Val\Va,0)
+ \PenSize(\:ShadowSize pt)
+ \:Ve=\:ShadowSize; \:Ve/2; \Va+\:ShadowSize;
+ \Move(\Val\:Ve,0) \Line(0,-\Val\Vb)
+ \Move(\Val\:Ve,-\Val\:Ve) \Line(-\Val\Va,0) }
+
+\Define\:RectShape{ \Units(1pt,1pt)
+ \GetNodeSize \SetMinNodeSize
+ \Move(-\Val\Va,-\Val\Vb) \Va*2; \Vb*2;
+ \:NodeLine(0,\Val\Vb) \:NodeLine(\Val\Va,0)
+ \:NodeLine(0,-\Val\Vb) \:NodeLine(-\Val\Va,0) }
+
+\Define\MoveToRect(3){
+ \CSeg[#2]\:GetX(#1,#1;:11)
+ \CSeg[#3]\:GetY(#1,#1;:11) \MoveToLoc(#1)
+ \Move(\Val\Va pt\du,\Val\Vb pt\du)}
+\NewNode(\RRectNode,\:MoveToRRect){ \Units(1pt,1pt)
+ \GetNodeSize \SetMinNodeSize
+ \Va+3; \Move(-\Val\Va,-\Val\Vb) \Va*2; \Vb*2;
+ \:Vc=\Va; \:Vc/4; \:Vd=\Vb; \:Vd/4;
+\IF \GtDec(\:Vc,9) \THEN \:Vc=9; \FI
+\IF \GtDec(\:Vd,9) \THEN \:Vd=9; \FI
+\Va-\:Vc; \Va-\:Vc; \Vb-\:Vd; \Vb-\:Vd;
+ { \Move (\Val\:Vc,\Val\:Vd)
+ \:NodeArc(\Val\:Vc,\Val\:Vd)(180,225) }
+ \Move(0,\Val\:Vd) \:NodeLine(0,\Val\Vb) \Move(\Val\:Vc,0)
+ \:NodeArc(\Val\:Vc,\Val\:Vd)(90,180)
+ \Move(0,\Val\:Vd) \:NodeLine(\Val\Va,0) \Move(0,-\Val\:Vd)
+ \:NodeArc(\Val\:Vc,\Val\:Vd)(45,90)
+ \:NodeArc(\Val\:Vc,\Val\:Vd)(0,45)
+ \Move(\Val\:Vc,0) \:NodeLine(0,-\Val\Vb) \Move(-\Val\:Vc,0)
+ \:NodeArc(\Val\:Vc,\Val\:Vd)(270,360)
+ \Move(0,-\Val\:Vd) \:NodeLine(-\Val\Va,0) \Move(0,\Val\:Vd)
+ \:NodeArc(\Val\:Vc,\Val\:Vd)(225,270)
+}\NewNode(\ORectNode,\:MoveToORect){ \Units(1pt,1pt)
+ \GetNodeSize \SetMinNodeSize \Va-2;
+ { \Move(\Val\Va,0) \:NodeArc(9,\Val\Vb)(-90,90) }
+ { \Move(-\Val\Va,0) \:NodeArc(9,\Val\Vb)(90,-90) }
+ \Move(-\Val\Va,\Val\Vb) \Va*2; \Vb*2;
+ \:NodeLine(\Val\Va,0)
+ { \Move(0,-\Val\Vb) \:NodeLine(-\Val\Va,0)} }
+\NewNode(\DRectNode,\:MoveToDRect){ \Units(1pt,1pt)
+ \GetNodeSize \SetMinNodeSize
+ { \Move(\Val\Va,0) \Move(9,0)
+ {\:NodeLine(-9,\Val\Vb)}
+ {\:NodeLine(-9,-\Val\Vb)} }
+ { \Move(-\Val\Va,0) \Move(-9,0) {\:NodeLine(9,\Val\Vb)}
+ {\:NodeLine(9,-\Val\Vb)} }
+ \Move(\Val\Va,\Val\Vb) \Va*2;
+ \:NodeLine(-\Val\Va,0) { \Move(0,-\Val\Vb)
+ \Move(0,-\Val\Vb)
+ \:NodeLine(\Val\Va,0)} }\Define\CircleNode{ \:circletrue \OvalNode}
+
+\NewNode(\OvalNode,\MoveToOval){
+ \Units(1pt,1pt) \GetNodeSize \Va/0.707; \Vb/0.707;
+ \SetMinNodeSize
+ \if:circle
+ \IF \LtDec(\Va,\Vb) \THEN \Va=\Vb;
+ \ELSE \IF \LtDec(\Vb,\Va) \THEN \Vb=\Va;
+ \FI \FI
+ \fi \:NodeArc(\Val\Va,\Val\Vb) (0,360) }
+\NewNode(\DiamondNode,\:MoveToDiamond){
+ \Units(1pt,1pt) \GetNodeSize
+ \Vb*1.66; \Va+\Vb; \Vb=\Va; \Vb*0.66; \SetMinNodeSize
+ \Move(0,\Val\Vb) \:NodeLine(-\Val\Va,-\Val\Vb)
+ \:NodeLine(\Val\Va,-\Val\Vb)
+ \:NodeLine(\Val\Va,\Val\Vb)
+ \:NodeLine(-\Val\Va,\Val\Vb)}\NewNode(\Node,\MoveToRect){ \:NoShape }
+
+\Define\:NoShape{
+ \GetNodeSize \SetMinNodeSize
+ \MoveToExit(0,0) \EntryExit(0,0,0,0) \Va*2; \Vb*2;
+ \Text(--\vbox to\Val\Vb pt{\hsize=\Val\Va pt
+ \leavevmode\hfil\vfil}--)}\Define\FcNode(1){
+ \edef\:Temp{\noexpand\Indirect\let<#1.mvto>=\noexpand\MoveToRect}
+ \:Temp \MarkLoc(#1) \Move(0.01pt\du,0.01pt\du)
+ \MarkLoc(#1;:11) \MoveToLoc(#1) }
+\Define\MoveToNodeDir(1){\edef\:Temp{\noexpand\::MvToExit(#1)}\:Temp}
+
+\Define\::MvToExit(2){
+ \DSeg\:Vc(#1,#2) \let\:Temp=\relax
+ \IF \EqDec(\:Vc,0) \THEN \MoveToNode(#1,1,0)
+ \ELSE \IF \EqDec(\:Vc,90) \THEN \MoveToNode(#1,0,1)
+ \ELSE \IF \EqDec(\:Vc,180)\THEN \MoveToNode(#1,-1,0)
+ \ELSE \IF \EqDec(\:Vc,270)\THEN \MoveToNode(#1,0,-1)
+ \ELSE \DSeg\Va(#1,#1;:11)
+\IF \LtDec(\:Vc,\Va) \THEN \:PreSrchExit(#1,1,\Val\:Ve,0,1)
+\ELSE \Vb=180; \Vb-\Va;
+ \IF \LtDec(\:Vc,\Vb) \THEN \:PreSrchExit(#1,\Val\:Ve,1,1,-1)
+ \ELSE \Vb=180; \Vb+\Va;
+ \IF \LtDec(\:Vc,\Vb) \THEN \:PreSrchExit(#1,-1,\Val\:Ve,1,-1)
+ \ELSE \Vb=360; \Vb-\Va;
+ \IF \LtDec(\:Vc,\Vb) \THEN\:PreSrchExit(#1,\Val\:Ve,-1,-1,1)
+ \ELSE \:PreSrchExit(#1,1,\Val\:Ve,-1,0)
+\FI\FI\FI\FI \FI\FI\FI\FI \:Temp }\Define\:PreSrchExit(5){
+ \def\:Temp{\def\:tempa{(#1,#2,#3}\:SearchExit(#1,#4,#5)} }
+\Define\:SearchExit(3){
+ \:Ve=#3; \:Ve-#2; \IF \LtDec(\:Ve,0) \THEN \:Ve=-\:Ve; \FI
+ \IF \LtDec(\:Ve,0.01) \THEN \let\:Temp=\relax
+ \ELSE
+ \:Ve=#2; \:Ve+#3; \:Ve/2; \edef\:tempb{\Val\:Ve}
+ \expandafter\MoveToNode\:tempa) \MarkLoc(x:)
+ \DSeg\:Vd(#1,x:)
+ \IF \GtDec(\:Vd,\:Vc) \THEN
+ \edef\:Temp{\noexpand\:SearchExit(#1,#2,\:tempb)}
+ \ELSE
+ \edef\:Temp{\noexpand\:SearchExit(#1,\:tempb,#3)}
+ \FI \FI \:Temp }\Define\TraceDiagramOn{\def\:TrcDiag##1{##1}}
+\Define\TraceDiagramOff{\def\:TrcDiag##1{}}
+\TraceDiagramOff \Define\TagNode(1){{\:TagNode(#1)}}
+
+\Define\::TagNode(1){ \let&=\relax
+ \xdef\:tgnd{\:tgnd&#1,\Val\:C..\Val\:Ca}}
+
+\Define\:bgDiTags{
+ \Define\:TagNode(1){}
+ \Define\:EdgeNode(1){}
+ \let\:svTgNd=\:tgnd \gdef\:tgnd{}
+ \let\:svEdNd=\:ednd \gdef\:ednd{} }
+
+\Define\:endDiTags{
+ \MarkLoc(o:)
+ \ifx\:tgnd\empty \else
+ \Table\:Temp{\:tgnd}
+ \:Temp(1,999){\:SetNdTg} \fi
+ \global\let\:tgnd=\:svTgNd
+ \ifx\:ednd\empty \else
+ \Table\:Temp{\:ednd}
+ \:C=0;
+ \:Temp(1,999){\::CurrEdge} \fi
+ \global\let\:ednd=\:svEdNd
+
+ \MoveToLoc(o:)}
+
+\Define\:SetNdTg(2){
+ \Indirect{ \Indirect\let<#1.mvto>= }<#2.mvto>
+ \MoveToLoc(#2) \MarkLoc(#1)
+ \MoveToLoc(#2;:11) \MarkLoc(#1;:11) }
+
+ \fi
+ \:CheckOption{diagram}\if:option
+ \Define\MoveToNode(3){
+ \XSaveUnits \Units(1pt,1pt)
+ \edef\:Temp{\noexpand\Indirect<#1.mvto>(#1,#2,#3)}
+ \:Temp \XRecallUnits }\Define\:MoveToVRect(3){
+ \MoveToRect(#1,#2,#3) \:Ve=\:Vdepth; \:Ve/2;
+ \:Vd=\:Ve; \:Vd/2;
+ \IF \GtDec(#2,0.98) \THEN \Move(-\Val\:Ve,0)
+ \IF \GtDec(#3,0.98) \THEN \Move(0,-\Val\:Vd)
+ \FI \FI
+ \IF \LtDec(#3,-0.98) \THEN \Move(0,\Val\:Vd)
+ \IF \LtDec(#2,-0.98) \THEN \Move(\Val\:Ve,0)
+ \FI \FI} \Define\:MoveToRRect(3){ \MoveToRect(#1,#2,#3)
+ \Va=#2; \IF \LtDec(\Va,0) \THEN \Va=-\Va; \FI
+ \Vb=#3; \IF \LtDec(\Vb,0) \THEN \Vb=-\Vb; \FI
+ \IF \GtDec(\Va,1) \THEN \Va=1; \FI
+ \IF \GtDec(\Vb,1) \THEN \Vb=1; \FI
+ \IF \LtDec(\Va,0.9) \THEN \Va=0; \Vb=0;
+ \ELSE \IF \LtDec(\Vb,0.9) \THEN \Va=0; \Vb=0;
+ \ELSE \Va-1; \Va=-\Va; \Vb-1; \Vb=-\Vb; \FI \FI
+ \IF \GtDec(#2,0) \THEN \Va=-\Va; \FI
+ \IF \GtDec(#3,0) \THEN \Vb=-\Vb; \FI
+ \Va*30; \Vb*30;
+ \Move(\Val\Va pt\du,\Val\Vb pt\du) }\Define\:MoveToORect(3){
+ \MoveToRect(#1,0,0) \MarkLoc(o:mv)
+ \MoveToRect(#1,#2,#3) \MarkLoc(x:mv) \MarkLoc(y:mv)
+ \CSeg\:GetX(o:mv,x:mv)
+ \MoveToRect(#1,1,0) \MarkLoc(a:mv) \LSeg\:Ve(a:mv,x:mv)
+\IF \LtDec(\:Ve,0.1) \THEN \Move(9pt\du,0)
+\ELSE \DSeg\:Ve(a:mv,x:mv)
+ \IF \LtDec(\:Ve,90) \THEN
+ \MoveToRect(#1,1,1) \MarkLoc(1:mv)
+ \DSeg\:Vd(o:mv,x:mv) \DSeg\:Ve(o:mv,1:mv)
+ \:Vd/\:Ve; \:Vd*90; \RotateTo(\Val\:Vd) \MoveToLoc(a:mv)
+ \MoveFToOval(9 pt\du,\Val\Vb pt\du) \MarkLoc(y:mv)
+ \ELSE \IF \GtDec(\:Ve,270)\THEN
+ \MoveToRect(#1,1,-1) \MarkLoc(1:mv)
+ \DSeg\:Vd(o:mv,x:mv) \DSeg\:Ve(o:mv,1:mv)
+ \:Vd-360; \:Ve-360; \:Vd/\:Ve;
+ \:Vd*90; \RotateTo(-\Val\:Vd) \MoveToLoc(a:mv)
+ \MoveFToOval(9 pt\du,\Val\Vb pt\du) \MarkLoc(y:mv)
+\FI \FI \FI
+ \MoveToRect(#1,-1,0) \MarkLoc(a:mv) \LSeg\:Ve(a:mv,x:mv)
+\IF \LtDec(\:Ve,0.1) \THEN \Move(-9pt\du,0)
+\ELSE \DSeg\:Ve(a:mv,x:mv)
+ \IF \GtDec(\:Ve,90) \THEN
+ \IF \LtDec(\:Ve,180) \THEN
+ \MoveToRect(#1,-1,1) \MarkLoc(1:mv)
+ \DSeg\:Vd(o:mv,x:mv) \DSeg\:Ve(o:mv,1:mv)
+ \:Vd-180; \:Ve-180; \:Vd/\:Ve;
+ \:Vd*90; \:Vd-180; \:Vd=-\:Vd;
+ \RotateTo(\Val\:Vd) \MoveToLoc(a:mv)
+ \MoveFToOval(9 pt\du,\Val\Vb pt\du) \MarkLoc(y:mv)
+ \ELSE\IF \LtDec(\:Ve,180) \THEN
+ \MoveToRect(#1,-1,-1) \MarkLoc(1:mv)
+ \DSeg\:Vd(o:mv,x:mv) \DSeg\:Ve(o:mv,1:mv)
+ \:Vd-180; \:Ve-180; \:Vd/\:Ve;
+ \:Vd*90; \:Vd+180; \:Vd=-\:Vd;
+ \RotateTo(\Val\:Vd) \MoveToLoc(a:mv)
+ \MoveFToOval(9 pt\du,\Val\Vb pt\du) \MarkLoc(y:mv)
+\FI \FI \FI \FI \MoveToLoc(y:mv) }\Define\:MoveToDRect(3){ \XSaveUnits
+ \MoveToRect(#1,0,0) \MarkLoc(o:mv)
+ \MoveToRect(#1,#2,#3) \MarkLoc(x:mv) \MarkLoc(y:mv)
+ \CSeg\:GetX(o:mv,x:mv)
+ \MoveToRect(#1,1,0) \MarkLoc(a:mv) \LSeg\:Ve(a:mv,x:mv)
+\IF \LtDec(\:Ve,0.1) \THEN \Move(9pt\du,0)
+\ELSE \DSeg\:Ve(a:mv,x:mv)
+ \IF \LtDec(\:Ve,90) \THEN
+ \Move(0,\Val\Vb) \MarkLoc(.:)
+ \Move(9,-\Val\Vb) \MarkLoc(..:)
+ \MoveToLL(.:,..:) \MarkLoc(y:mv)
+ \ELSE \IF \GtDec(\:Ve,270) \THEN
+ \Move(0,-\Val\Vb) \MarkLoc(.:)
+ \Move(9,\Val\Vb) \MarkLoc(..:)
+ \MoveToLL(.:,..:) \MarkLoc(y:mv)
+\FI \FI \FI
+ \MoveToRect(#1,-1,0) \MarkLoc(a:mv) \LSeg\:Ve(a:mv,x:mv)
+\IF \LtDec(\:Ve,0.1) \THEN \Move(-9pt\du,0)
+\ELSE \DSeg\:Ve(a:mv,x:mv)
+ \IF \GtDec(\:Ve,90) \THEN
+ \IF \LtDec(\:Ve,180)\THEN
+ \Move(0,\Val\Vb) \MarkLoc(.:)
+ \Move(-9,-\Val\Vb) \MarkLoc(..:)
+ \MoveToLL(.:,..:) \MarkLoc(y:mv)
+ \ELSE \IF \LtDec(\:Ve,270)\THEN
+ \Move(0,-\Val\Vb) \MarkLoc(.:)
+ \Move(-9,\Val\Vb) \MarkLoc(..:)
+ \MoveToLL(.:,..:) \MarkLoc(y:mv)
+\FI \FI \FI \FI
+\XRecallUnits \MoveToLoc(y:mv) }\Define\MoveToOval(3){
+ \CSeg[#2]\:GetX(#1,#1;:11)
+ \CSeg[#3]\:GetY(#1,#1;:11)
+ \MoveTo(0,0) \MarkLoc(00:)
+ \MoveTo(\Val\Va pt\du,\Val\Vb pt\du) \MarkLoc(11:)
+ \MoveToLoc(#1) \LSeg\Va(00:,11:)
+ \IF \GtDec(\Va,0.001) \THEN
+ \DSeg\RotateTo(00:,11:)
+ \CSeg\MoveFToOval(#1,#1;:11)
+ \FI}\Define\:MoveToDiamond(3){
+ \CSeg\:GetXY(#1,#1;:11)
+ \IF \LtDec(#2,0) \THEN \Va=-\Va; \FI
+ \IF \LtDec(#3,0) \THEN \Vb=-\Vb; \FI
+ \MoveToLoc(#1) \Move(\Val\Va pt\du,0) \MarkLoc(.:)
+ \MoveToLoc(#1) \Move(0,\Val\Vb pt\du) \MarkLoc(..:)
+ \CSeg\:GetXY(#1,#1;:11) \Va*#2; \Vb*#3;
+ \MoveToLoc(#1) \Move(\Val\Va pt\du,\Val\Vb pt\du)
+ \MarkLoc(..:..) \LSeg\Va(#1,..:..)
+ \IF \GtDec(\Va,0) \THEN \MoveToLL(.:,..:)(#1,..:..) \FI }
+
+ \fi
+ \:CheckOption{diagram}\if:option
+ \Define\EdgeSpec(1){\:EdgeSpec#1....//}
+\def\:EdgeSpec#1#2#3#4.//{\:EdSp(#1)\:EdSp(#2)\:EdSp(#3)}
+
+\Define\:EdSp(1){
+ \IF \EqText(L,#1) \THEN
+ \def\:EdgeLine{\Line} \def\:EdgeCurve{\Curve}
+ \FI
+ \IF \EqText(D,#1) \THEN
+ \let\:EdgeLine=\:DotLine \let\:EdgeCurve=\:DotCurve
+ \FI
+ \IF \EqText(C,#1) \THEN
+ \def\:LocByAddr##1(##2){ \MoveTo(##2)
+ \MarkLoc(;:) ##1(;:)}
+ \FI
+ \IF \EqText(T,#1) \THEN
+ \let\:LocByAddr=\relax
+ \FI
+ \IF \EqText(R,#1) \THEN
+ \Define\:EdgeCorner{
+ \MoveToLoc(fr:) \MarkLoc(nxt':) \MarkLoc(fr':)
+ \:SetEndCorner(fr:,bk:) \:SetEndCorner(nxt':,nxt:)
+ \:EdgeCurve(fr:,fr:1,nxt':1,nxt':) }
+ \FI
+ \IF \EqText(S,#1) \THEN
+ \Define\:EdgeCorner{\MoveToLoc(fr:) \MarkLoc(nxt':)}
+ \FI}
+
+\Define\:DotLine(1){
+ { \MarkLoc(a:) \Move(#1) \MarkLoc(b:)
+ \DSeg\RotateTo(a:,b:) \LineF(-\:thickness \du)
+ \MoveToLoc(a:) \LineF(\:thickness\du)}
+ \DoLine(#1)(3pt\du){
+ \Units(1pt,1pt) \MoveF(-0.5) \LineF(1) }}
+
+\Define\:DotCurve(4){
+ { \DSeg\RotateTo(#1,#2) \MoveToLoc(#1)
+ \divide\:thickness by2 \LineF(\:thickness \du) }
+ { \DSeg\RotateTo(#4,#3) \MoveToLoc(#4)
+ \divide\:thickness by2 \LineF(\:thickness \du) }
+ \DoCurve(#1,#2,#3,#4)(3pt\du){
+ \Units(1pt,1pt) \MoveF(-0.5) \LineF(1) } }
+
+\Define\EdgeAt(6){
+ \MoveToNode(#1,#2,#3) \MarkLoc(EdgeBack)
+ \Table\:EdgePath{#6}
+ \:EdgePath(0,0){\:GetEdgeFront}
+ \MoveToNode(#4,#5,\:EdgeFront) \:InsertEdge(#6)}\Define\Edge(2){
+ \Table\:EdgePath{#1&#2}
+ \:C=-1; \:EdgePath(0,99){\:Count}
+ \IF \EqDec(\:C,1) \THEN
+ \MoveToNodeDir(#1,#2) \MarkLoc(EdgeBack)
+ \MoveToNodeDir(#2,#1)
+ \ELSE \:EdgePath(2,2){\:LocByAddr\MoveToLoc} \MarkLoc(:)
+\MoveToNodeDir(#1,:) \MarkLoc(EdgeBack)
+\Define\:Temp(1){\def\:Temp{##1}}
+\:EdgePath(1,1){\:Temp}
+\:EdgePath(\Val\:C,\Val\:C){\:LocByAddr\MoveToLoc}
+\MarkLoc(EdgeFront) \MoveToNodeDir(\:Temp,EdgeFront) \FI
+ \Table\:EdgePath{#2} \:InsertEdge(#2) }\Define\EdgeTo(4){
+ \Table\:EdgePath{#4}
+ \:C=-1; \:EdgePath(0,1){\:Count}
+ \IF \EqDec(\:C,0) \THEN
+ \MoveToNode(#2,#3,#4) \MarkLoc(EdgeFront)
+ \MoveToNodeDir(#1,EdgeFront) \MarkLoc(EdgeBack)
+ \MoveToLoc(EdgeFront)
+ \ELSE \:EdgePath(1,1){\:LocByAddr\MoveToLoc} \MarkLoc(:)
+\MoveToNodeDir(#1,:) \MarkLoc(EdgeBack)
+\:EdgePath(0,0){\:GetEdgeFront}
+\MoveToNode(#2,#3,\:EdgeFront) \FI
+ \:InsertEdge(#4) }\Define\EdgeFrom(4){
+ \Table\:EdgePath{#1&#4}
+ \:C=-1; \:EdgePath(0,99){\:Count}
+ \MoveToNode(#1,#2,#3) \MarkLoc(EdgeBack)
+ \IF \EqDec(\:C,1) \THEN
+ \MoveToNodeDir(#4,EdgeBack)
+ \ELSE \Define\:Temp(1){\def\:Temp{##1}}
+\:EdgePath(1,1){\:Temp}
+\:EdgePath(\Val\:C,\Val\:C){\:LocByAddr\MoveToLoc}
+\MarkLoc(EdgeFront) \MoveToNodeDir(\:Temp,EdgeFront) \FI
+ \Table\:EdgePath{#4} \:InsertEdge(#4) }\Define\:InsertEdge(1){
+ \MarkLoc(EdgeFront) \:C=-1; \:EdgePath(0,2){\:Count}
+ \IF \EqInt(\:C,0) \THEN
+ \:OneSegmentEdge
+ \ELSE
+ \Define\:Temp(1){
+ \:LocByAddr\MoveToLoc(##1)\MarkLoc(temp:)}
+\:EdgePath(1,1){\:Temp}
+\MoveToLoc(EdgeBack) \MarkLoc(bk:)
+\MoveToLoc(temp:) \MarkLoc(fr:) \:BkArrowHead
+ \IF \GtInt(\:C,1) \THEN
+ \def\:temp##1&##2(&){\Table\:EdgePath{##2}}
+ \:temp#1(&) \:EdgePath(1,99){\:InterEdge}
+ \FI
+ \MoveToLoc(EdgeFront) \MarkLoc(nxt:)
+\:EdgeCorner \:EdgeSegment
+\MoveToLoc(nxt':) \MarkLoc(bk:)
+\MoveToLoc(nxt:) \MarkLoc(fr:)
+\:FrArrowHead \:EdgeSegment
+ \FI \def\EdgeLabel{\:PutLabel\:LineLbl} }\Define\:OneSegmentEdge{
+ \MoveToLoc(EdgeBack) \MarkLoc(bk:)
+ \MoveToLoc(EdgeFront) \MarkLoc(fr:)
+ \:BkArrowHead \:FrArrowHead \:EdgeSegment }\Define\:InterEdge(1){
+ \:LocByAddr\MoveToLoc(#1) \MarkLoc(nxt:)
+ \:EdgeCorner \:EdgeSegment
+ \MoveToLoc(nxt':) \MarkLoc(bk:)
+ \MoveToLoc(nxt:) \MarkLoc(fr:)}
+
+\Define\:EdgeSegment{\MoveToLoc(bk:) \CSeg\:EdgeLine(bk:,fr:)}
+\Define\:SetEndCorner(2){ \MoveToLoc(fr':)
+ \CSeg[0.5]\Move(fr':,#2) \MarkLoc(#1) \LSeg\Va(fr':,#1)
+ \IF \GtDec(\Val\Va,10) \THEN
+ \MoveToLoc(fr':) \DSeg\RotateTo(fr':,#2)
+ \MoveF(10) \MarkLoc(#1)
+ \FI
+ \MoveToLoc(fr':) \CSeg[0.5]\Move(fr':,#1) \MarkLoc(#1 1)}
+\Define\CurvedEdgeAt(6){
+ \MoveToNode(#1,#2,#3) \MarkLoc(1:) \MarkLoc(EdgeBack)
+ \MoveToNode(#4,#5,#6) \MarkLoc(2:) \MarkLoc(EdgeFront)
+ \:CurvedEdgeAtDir}
+
+\Define\:CurvedEdgeAtDir(4){
+ \RotateTo(#3) \LSeg[#4]\MoveF(1:,2:)
+ \MarkLoc(2':) \MoveToLoc(1:)
+ \RotateTo(#1) \LSeg[#2]\MoveF(1:,2:)
+ \MarkLoc(1':) \:InCrvEd }
+
+\Define\CurvedEdge(2){
+ \DSeg\RotateTo(#1,#2) \Rotate(\:StartEdgeDir)
+ \MoveToLoc(#1) \MoveF(50) \MarkLoc(1:)
+ \MoveToNodeDir(#1,1:) \MarkLoc(EdgeBack)
+ \MarkLoc(1:) \LSeg[\:StartEdgeTension]\MoveF(#2,#1)
+ \MarkLoc(1':)
+ \DSeg\RotateTo(#2,#1) \Rotate(\:EndEdgeDir)
+ \MoveToLoc(#2) \MoveF(50) \MarkLoc(2:)
+ \MoveToNodeDir(#2,2:) \MarkLoc(EdgeFront)
+ \MarkLoc(2:) \LSeg[\:EndEdgeTension]\MoveF(#2,#1)
+ \MarkLoc(2':) \:InCrvEd }\Define\:InCrvEd{
+ \:BkCrvArrowHead\:FrCrvArrowHead
+ \MoveToLoc(1:) \MarkLoc(EdgeBack')
+ \MoveToLoc(1':) \MarkLoc(EdgeBack'')
+ \MoveToLoc(2':) \MarkLoc(EdgeFront'')
+ \MoveToLoc(2:) \MarkLoc(EdgeFront')
+ \:EdgeCurve(1:,1':,2':,2:) \def\EdgeLabel{\:PutLabel\:CurveLbl} }
+
+\Define\CurvedEdgeSpec(4){
+ \:edef\:StartEdgeDir{#1} \:edef\:StartEdgeTension{#2}
+ \:edef\:EndEdgeDir{#3} \:edef\:EndEdgeTension{#4} }
+
+\CurvedEdgeSpec(10,0.2,-10,0.2)\Define\HVEdge(2){ \:XYEdge(#1,#2,1,) }
+\Define\VHEdge(2){ \:XYEdge(#1,#2,,1) } \Define\:XYEdge(4){
+ \MoveToNode(#1,0,0) \MarkLoc(1:) \Move(#30,#40) \MarkLoc(1':)
+\MoveToNode(#2,0,0) \MarkLoc(2:) \Move(#40,#30) \MarkLoc(2':)
+\MoveToLL(1:,1':)(2:,2':)
+ \MarkLoc(x:) \MarkLoc(bk:)
+ \CSeg\:GetExit(1:,x:) \MoveToNode(#1,\Val\Va,\Val\Vb)
+ \MarkLoc(EdgeBack)
+ \CSeg\:GetExit(2:,x:) \MoveToNode(#2,\Val\Va,\Val\Vb)
+ \MarkLoc(EdgeFront)
+ \LSeg\Va(#1,EdgeBack) \LSeg\Vb(#1,x:)
+\IF \GtDec(\Vb,\Va) \THEN
+ \LSeg\Va(#2,EdgeFront) \LSeg\Vb(#2,x:)
+ \IF \GtDec(\Vb,\Va) \THEN \:Vc=1; \ELSE \:Vc=-1; \FI
+\ELSE \:Vc=-1; \FI
+ \IF \GtDec(\:Vc,0) \THEN
+ \MarkLoc(fr:) \:FrArrowHead
+ \CSeg\:EdgeLine(fr:,bk:) \MarkLoc(fr:)
+ \MoveToLoc(EdgeBack) \MarkLoc(bk:) \:BkArrowHead
+ \CSeg\:EdgeLine(bk:,fr:)
+ \def\EdgeLabel{\:PutLabel\:XYLbl}
+ \ELSE \CSeg\:GetExit(#1,#2)
+\IF \LtDec(\Va,0) \THEN
+ \Va=-\Va; \:Vc=-1; \ELSE \:Vc=1;
+\FI
+\IF \LtDec(\Vb,0) \THEN
+ \Vb=-\Vb; \:Vd=-1; \ELSE \:Vd=1;
+\FI
+\IF \GtDec(\Va,\Vb) \THEN
+ \:Vd=0; \:MarkMid(#1,#2) \HHEdge(#1,#2,A:)
+\ELSE \:Vc=0; \:MarkMid(#1,#2) \VVEdge(#1,#2,A:) \FI
+ \FI }\Define\:MarkMid(2){
+ \MoveToNode(#1,\Val\:Vc,\Val\:Vd) \MarkLoc(1:)
+ \MoveToNode(#2,-\Val\:Vc,-\Val\:Vd) \MarkLoc(2:)
+ \CSeg[0.5]\Move(2:,1:) \MarkLoc(A:)}
+\Define\VVEdge(3){ \:XXedge(#1,#2,#3,,1) }
+\Define\HHEdge(3){ \:XXedge(#1,#2,#3,1,) }\Define\:XXedge(5){
+ \MoveToNode(#1,0,0) \MarkLoc(1:) \Move(#40,#50) \MarkLoc(1':)
+ \MoveToNode(#2,0,0) \MarkLoc(2:) \Move(#40,#50) \MarkLoc(2':)
+ \MoveToLoc(#3) \MarkLoc(3:) \Move(#50,#40) \MarkLoc(3':)
+ \DSeg\Va(1:,3:) \IF \GtDec(\Va,179) \THEN \Va-180; \FI
+\DSeg\Vb(2:,3:) \IF \GtDec(\Vb,179) \THEN \Vb-180; \FI
+\IF \EqText(,#4) \THEN
+ \IF \EqDec(\Va,0) \THEN \HVEdge(#1,#2)
+ \ELSE \IF \EqDec(\Vb,0) \THEN \VHEdge(#1,#2)
+ \ELSE \::XXEdge(#1,#2) \FI\FI
+\ELSE
+ \IF \EqDec(\Va,90) \THEN \VHEdge(#1,#2)
+ \ELSE \IF \EqDec(\Vb,90) \THEN \HVEdge(#1,#2)
+ \ELSE \::XXEdge(#1,#2) \FI\FI
+\FI}
+
+\Define\::XXEdge(2){
+ \MoveToLL(2:,2':)(3:,3':) \MarkLoc(y:)
+ \MoveToLL(1:,1':)(3:,3':) \MarkLoc(x:) \MarkLoc(fr:)
+ \CSeg\:GetExit(1:,x:) \MoveToNode(#1,\Val\Va,\Val\Vb)
+ \MarkLoc(EdgeBack) \MarkLoc(bk:) \:BkArrowHead
+ \CSeg\:EdgeLine(bk:,fr:)
+ \CSeg\:EdgeLine(x:,y:) \MarkLoc(bk:)
+ \CSeg\:GetExit(2:,y:) \MoveToNode(#2,\Val\Va,\Val\Vb)
+ \MarkLoc(EdgeFront) \MarkLoc(fr:) \:FrArrowHead
+ \CSeg\:EdgeLine(fr:,bk:)
+ \def\EdgeLabel{\:PutLabel\:XXLbl} } \Define\CycleEdge(1){
+ \MoveToNode(#1,0,0) \MarkLoc(o:) \MoveF(10)
+ \MarkLoc(oo:) \Rotate(\:CrvEdgeDir) \MoveF(10)
+ \MarkLoc(1':) \CSeg\:GetExit(oo:,1':)
+ \MoveToNode(#1,\Val\Va,\Val\Vb) \MarkLoc(EdgeBack)
+ \MarkLoc(1:) \MoveF(\:CrvEdgeTension)
+ \MarkLoc(1':) \DSeg\RotateTo(o:,oo:)
+ \MoveToLoc(o:) \Rotate(-\:CrvEdgeDir) \MoveF(10)
+ \MarkLoc(2':) \CSeg\:GetExit(o:,2':)
+ \MoveToNode(#1,\Val\Va,\Val\Vb) \MarkLoc(EdgeFront)
+ \MarkLoc(2:) \MoveF(\:CrvEdgeTension)
+ \MarkLoc(2':) \:InCrvEd \:EdgeCurve(1:,1':,2':,2:) }
+
+\Define\CycleEdgeSpec(2){
+ \:edef\:CrvEdgeDir{#1} \:edef\:CrvEdgeTension{#2}}
+
+\CycleEdgeSpec(30,20)\EdgeSpec(LTS) \Define\TransEdge(4){
+ \IF \EqText(,#3) \THEN
+ \IF \EqText(,#4) \THEN
+ \Edge(#1,#2)
+ \ELSE \Edge(#2,#1)
+ \EdgeLabel(--#4--) \relax \FI
+ \ELSE \IF \EqText(,#4) \THEN
+ \Edge(#1,#2) \EdgeLabel(--#3--)\relax
+ \ELSE \IF \EqText(#1,#2) \THEN
+ \RotateTo(#3) \CycleEdge(#1)
+ \EdgeLabel(--#4--)\relax
+ \ELSE \CurvedEdge(#1,#2)
+ \EdgeLabel(--#3--) \relax \CurvedEdge(#2,#1)
+ \EdgeLabel(--#4--) \relax \FI \FI \FI }
+\:DefineExt\:DiagEg(1){\endgroup
+ \IF \EqText(,#1) \THEN \ELSE
+ \Define\:DiagramEdge{#1}
+ \FI }\Define\GridEdge(2){
+ \LSeg\Va(#1,#2)
+ \IF \EqDec(\Va,0) \THEN \:aldwarn2{#2} \FI
+ \MoveToNode(#1,0,1) \MarkLoc(1:)
+\MoveToNode(#2,0,-1) \MarkLoc(2:) \CSeg\:GetXY(1:,2:)
+\IF \GtDec(\Vb,-0.1) \THEN
+ \MoveToNode(#1,1,0) \MarkLoc(1:)
+ \MoveToNode(#2,-1,0) \MarkLoc(2:) \CSeg\:GetXY(1:,2:)
+ \IF \GtDec(\Va,-0.1) \THEN \EdgeAt(#1,1,1,#2,-1,-1)
+ \ELSE
+ \MoveToNode(#1,-1,0) \MarkLoc(1:)
+ \MoveToNode(#2,1,0) \MarkLoc(2:) \CSeg\:GetXY(1:,2:)
+ \IF \LtDec(\Va,0.1) \THEN \EdgeAt(#1,-1,1,#2,1,-1)
+ \ELSE \EdgeAt(#1,0,1,#2,0,-1)
+ \FI \FI
+ \ELSE \MoveToNode(#1,0,-1) \MarkLoc(1:)
+\MoveToNode(#2,0,1) \MarkLoc(2:) \CSeg\:GetXY(1:,2:)
+\IF \LtDec(\Vb,0.1) \THEN
+ \MoveToNode(#1,1,0) \MarkLoc(1:)
+ \MoveToNode(#2,-1,0) \MarkLoc(2:) \CSeg\:GetXY(1:,2:)
+ \IF \GtDec(\Va,-0.1) \THEN \EdgeAt(#1,1,-1,#2,-1,1)
+ \ELSE
+ \MoveToNode(#1,-1,0) \MarkLoc(1:)
+ \MoveToNode(#2,1,0) \MarkLoc(2:) \CSeg\:GetXY(1:,2:)
+ \IF \LtDec(\Va,0.1) \THEN \EdgeAt(#1,-1,-1,#2,1,1)
+ \ELSE \EdgeAt(#1,0,-1,#2,0,1)
+ \FI\FI
+ \ELSE \IF \GtDec(\Va,0) \THEN \EdgeAt(#1,1,0,#2,-1,0)
+\ELSE \EdgeAt(#1,-1,0,#2,1,0) \FI
+ \FI\FI} \Define\EdgeToNode(1){{\:EdgeNode(#1)}}
+
+\Define\::EdgeNode(1){ \let&=\relax
+ \xdef\:ednd{\:ednd&\Val\:C..\Val\:Ca,#1} }
+
+\Define\::CurrEdge(2){ \:C+1;
+ \IF \EqInt(\:C,2) \THEN
+ \:CurrEdge(#1,#2) \:C=0;
+ \FI }
+
+ \fi
+ \:CheckOption{diagram}\if:option
+ \Define\:Temp{
+\def\:PutLabel##1{
+ \Define\:Lbl{\def\:Temp{\noexpand##1}
+ \begingroup \:DraCatCodes \:GetLbl}
+ \edef\:Temp{\noexpand\:Opt[]
+ \noexpand\:Lbl\noexpand{\:LblAdj\noexpand}}
+ \:Temp}
+
+\def\:GetLbl[##1]{\endgroup
+ \IF \EqText(+,##1) \THEN
+ \edef\:Temp{\:Temp[+\:LblAdj]}
+ \ELSE \edef\:Temp{\:Temp[##1]} \FI
+ \:Temp }
+ }\:Temp\Define\:PutLbl(1){
+ \MarkLoc(1:) \XSaveUnits \Units(1pt,1pt)
+ \MoveF(\:LblDis) \XRecallUnits
+ \IF \EqText(,#1) \THEN \ELSE \:AdjLbl(#1)
+ \FI \MarkLoc(2:) \CSeg\:GetExit(1:,2:)
+ \EntryExit(-\Val\Va,-\Val\Vb,0,0) \:EdgeLabel }
+
+\def\:AdjLbl(#1;#2){\Move(#1,#2)}\Define\LabelPos(2){
+ \def\:LblAdj{#1} \def\:LblDis{#2} }
+\LabelPos(0.5;,3) \Define\:Temp{
+\def\:LineLbl[##1##2;##3]{
+ \MoveToLoc(EdgeBack) \MarkLoc(a:)
+ \MoveToLoc(EdgeFront) \MarkLoc(b:)
+ \DSeg\RotateTo(a:,b:)
+ \:C=-1; \:EdgePath(0,99){\:Count}
+\IF \EqInt(\:C,1) \THEN
+ \:EdgePath(1,1){\:LocByAddr\MoveToLoc}
+ \MarkLoc(a:) \MarkLoc(b:)
+\ELSE \IF \GtInt(\:C,1) \THEN
+ \:C/2; \:EdgePath(\Val\:C,\Val\:C){\:LocByAddr\MoveToLoc}
+ \MarkLoc(a:)
+ \:C+1; \:EdgePath(\Val\:C,\Val\:C){\:LocByAddr\MoveToLoc}
+ \MarkLoc(b:)
+ \DSeg\RotateTo(a:,b:)
+\FI \FI
+ \MoveToLoc(a:)
+ \IF \EqText(+,##1) \THEN \Rotate(-90)
+ \CSeg[##2]\Move(a:,b:)
+ \ELSE \Rotate(90)
+ \CSeg[##1##2]\Move(a:,b:)
+ \FI
+ \:PutLbl(##3) }
+ }\:Temp \Define\:Temp{
+\def\:CurveLbl[##1##2;##3]{
+ \MoveToLoc(EdgeBack') \MarkLoc(a:)
+ \MoveToLoc(EdgeBack'') \MarkLoc(A:)
+ \MoveToLoc(EdgeFront'') \MarkLoc(B:)
+ \MoveToLoc(EdgeFront') \MarkLoc(b:)
+ \DSeg\RotateTo(a:,b:)
+ \IF \EqText(+,##1) \THEN
+ \Rotate(-90)
+ \ELSE
+ \Rotate(90)
+ \FI
+ \MoveToCurve[##2](a:,A:,B:,b:) \:PutLbl(##3) } }\:Temp
+ \Define\:Temp{
+\def\:XYLbl[##1##2;##3]{
+ \IF \EqText(+,##1) \THEN \Vb=-1; \Va=##2;
+ \ELSE \Vb= 1; \Va=##1##2;
+ \FI
+ \MoveToLoc(x:)
+ \IF \LtDec(\Va,0.5) \THEN
+ \MarkLoc(b:) \MoveToLoc(EdgeBack) \MarkLoc(a:)
+ \DSeg[\Val\Vb]\RotateTo(EdgeFront,x:)
+ \ELSE
+ \MarkLoc(a:) \Va-0.5;
+ \MoveToLoc(EdgeFront) \MarkLoc(b:)
+ \DSeg[\Val\Vb]\RotateTo(EdgeBack,x:)
+ \FI
+ \Va*2;
+ \MoveToLoc(a:) \CSeg[\Val\Va]\Move(a:,b:)
+ \:PutLbl(##3) }
+ }\:Temp \Define\:Temp{
+\def\:XXLbl[##1##2;##3]{
+ \LSeg\Va(x:,y:)
+\IF \LtDec(\Va,0.01) \THEN
+ \MoveToLoc(x:)
+ \DSeg\RotateTo(EdgeBack,EdgeFront)
+ \MoveF(0.1pt\du) \MarkLoc(y:)
+\FI
+ \IF \EqText(+,##1) \THEN
+ \Vb=-90; \Va=##2;
+ \ELSE
+ \Vb=90; \Va=##1##2;
+ \FI
+ \IF \LtDec(\Va,0.333) \THEN
+ \MoveToLoc(x:) \MarkLoc(b:)
+ \MoveToLoc(EdgeBack) \MarkLoc(a:)
+ \ELSE \IF \LtDec(\Va,0.666) \THEN
+ \MoveToLoc(x:) \MarkLoc(a:)
+ \MoveToLoc(y:) \MarkLoc(b:) \Va-0.3333;
+ \ELSE
+ \MoveToLoc(y:) \MarkLoc(a:)
+ \MoveToLoc(EdgeFront) \MarkLoc(b:) \Va-0.666;
+ \FI \FI
+ \Va*3;
+ \DSeg\RotateTo(a:,b:) \Rotate(\Val\Vb)
+ \MoveToLoc(a:) \CSeg[\Val\Va]\Move(a:,b:)
+ \:PutLbl(##3) }
+ }\:Temp \Define\LabelSpec{
+ \TextPar\Define\:EdgeLabel }
+\def\PictLabel#1{\Object\:Temp{#1}\:Temp}
+\LabelSpec(1){\Text(--#1--)}
+\fi
+\:CheckOption{spread}\if:option
+ \:DefineExt\DiagramSpec(1){\endgroup
+ \:C=0; \let\:Next=\:DiagNodes \:Next#1&&
+ \Indirect\let<DiagNod:\Val\:C>=\relax }
+
+ \Define\:Temp{
+\def\:DiagNodes##1&{
+ \def\:Temp{##1}
+ \ifx \:Temp\empty \let\:Next=\relax
+ \else
+ \:tk={##1} \:Ca=\:C; \:C+1;
+ \edef\:Temp{\noexpand\:AddDiagNodes
+ (\Val\:C,\Val\:Ca,\the\:tk)} \:Temp
+ \fi \:Next }
+ }\:Temp
+
+\Define\:AddDiagNodes(3){
+ \Indirect\def<DiagNod:#2>{\begingroup\:Spaces
+ \:DiagNds(#1,#3)}}
+
+ \Define\:Temp{
+\def\:DiagNds(##1,##2)(##3){\endgroup
+ \Table\:Temp{##3} \:SetDiaNodes##2
+ \Indirect<DiagNod:##1>}
+ }\:Temp \Define\Diagram{ \Indirect<DiagNod:0> }
+
+\def\:SetDiaNodes#1{\:Temp(0,999){#1}}
+\DiagramSpec(\DiagramNode&\Edge)
+\Define\DiagramNode(4){ \MoveTo(#2,#3) \Node(#1)(--#4--) }
+\fi
+\:CheckOption{grid}\if:option
+ \:DefineExt\GridDiagramSpec(1){\endgroup
+ \IF \EqText(,#1) \THEN \ELSE
+ \:CheckSpecTyp(#1,&)
+ \IF \:Temp \THEN \Table\:PolyShapes{u,\noexpand#1}
+\Define\:ShapeTyp{u,}
+ \ELSE \Define\:ShapeTyp{}
+\:SetPolyNodes#1&,& \let\:Temp=\:PolyShapes
+\Table\:PolyShapes{\:Temp} \FI
+ \FI
+ \:DiagEg }\Define\:CheckSpecTyp(2){
+ \IF \EqText(#2,&) \THEN \def\:Temp{\EqInt(1,1)}
+ \ELSE \def\:Temp{\EqInt(1,2)}
+ \FI }\GridDiagramSpec(\Node)(\GridEdge)
+ \Define\:Temp{
+\def\:SetPolyNodes##1,##2&{
+ \Define\:PolyShapes{##1,\noexpand##2}
+ \:MorePolyNodes } }\:Temp
+
+\Define\:MorePolyNodes{
+ \def\:Temp{\Define\:PolyShapes}
+ \Define\:Next{\:GetPolyNodes} \:Next }
+
+ \Define\:Temp{
+\def\:GetPolyNodes##1,##2&{
+ \IF \EqText(,##1) \THEN \Define\:Next{}
+ \ELSE
+ \expandafter\expandafter\expandafter\:Temp\expandafter{
+ \:PolyShapes & ##1,\noexpand##2 }
+ \FI \:Next}} \:Temp
+\Define\GridSpace(2){
+ \:edef\:VGridSp{#2} \:edef\:HGridSp{#1}}
+\GridSpace(20,20)\Define\AlignGrid(2){
+ \def\:XGridEntry{#1} \def\:YGridEntry{#2}}
+\AlignGrid(0,0)
+
+\Define\GridDiagram(2){ \MarkLoc(GridOrg)
+ \IF \LtInt(#1,2) \:aldwarn{11}{#1,#2} \THEN \FI
+ \IF \LtInt(#2,2) \:aldwarn{11}{#1,#2} \THEN \FI
+ \EntryExit(\:XGridEntry,\:YGridEntry,0,0)
+ \Do(0,#1){ \:C=\DoReg; \Indirect\DecVar<y.\Val\:C> }
+ \Do(0,#2){ \:C=\DoReg; \Indirect\DecVar<x.\Val\:C> }
+ \Define\:Nrows{#1} \Define\:Ncols{#2}
+ \:VGridSpace }
+ \Define\:VGridSpace(1){
+ \IF \EqText(,#1) \THEN
+ \Define\:Temp{\:VGridSp,0,1000}
+ \ELSE \Define\:Temp{#1} \FI
+ \Table\:VerAdj{\:Temp}
+ \:C=0; \:VerAdj(0,99){\:Count}
+ \IF \LtInt(\:C,\:Nrows) \THEN
+ \:C=-\:C; \:C+\:Nrows; \:C-1;
+\IF \LtInt(\Val\:C,\:Nrows) \THEN
+ \def\:tempA{\def\:Temp}
+ \IF \GtInt(\Val\:C,0) \THEN
+ \Do(1,\Val\:C){ \expandafter\expandafter
+ \expandafter\:tempA\expandafter{
+ \:Temp & \:VGridSp,0,1000}}
+ \FI
+ \Table\:VerAdj{\:Temp}
+\FI
+ \ELSE \IF \GtInt(\:Nrows,1) \THEN
+ { \def&{\string&}\:aldwarn4{#1} }
+ \FI \FI
+ \:HGridSpace}
+ \Define\:HGridSpace(1){
+ \IF \EqText(,#1) \THEN
+ \Define\:Temp{\:HGridSp,0,1000}
+ \ELSE \Define\:Temp{#1} \FI
+ \Table\:HorAdj{\:Temp}
+ \:C=0; \:HorAdj(0,99){\:Count}
+ \IF \LtInt(\:C,\:Ncols) \THEN
+ \:C=-\:C; \:C+\:Ncols; \:C-1;
+\IF \LtInt(\:C,\:Ncols) \THEN
+ \def\:tempA{\def\:Temp}
+ \IF \GtInt(\:C,0) \THEN
+ \Do(1,\Val\:C){ \expandafter\expandafter
+ \expandafter\:tempA\expandafter{
+ \:Temp & \:HGridSp,0,1000}}
+ \FI
+ \Table\:HorAdj{\:Temp}
+\FI
+ \ELSE \IF \GtInt(\:Ncols,1) \THEN
+ { \def&{\string&}\:aldwarn4{#1} }
+ \FI \FI
+ \:GridEntries}
+
+ \Define\:GridEntries{\begingroup \:Spaces \::GridEntries}
+
+\Define\::GridEntries(1){\endgroup
+ \:bgDiTags
+ \:C=0; \Define\:Next{\:C+1;\:GetGridRows} \:Next#1//
+ \Do(1,\:Nrows){\:C=\DoReg; \:Ca=0;
+ \Indirect<row.\Val\:C>(0,99){\:Ca+1;
+ \IF \GtInt(\Val\:C,\:Nrows) \THEN \:aldwarn5{} \FI
+ \IF \GtInt(\Val\:Ca,\:Ncols) \THEN \:aldwarn6{} \FI
+ \:GetEntrySize}}
+ \IF \GtInt(\:Nrows,1) \THEN
+ \Do(2,\:Nrows){ \:C=\DoReg;
+ \Indirect{\Va=-}<y.\Val\:C>; \:C-1;
+ \Indirect{\Va+}<y.\Val\:C>;
+ \Va*\:YGridEntry; \:C+1;
+ \Indirect{\Va+}<y.\Val\:C>; \:C-1;
+ \Indirect<y.\Val\:C>+\Va; }
+\:C=0; \:VerAdj(0,99){\:C+1; \:AdjGridHeight}
+\Do(2,\:Nrows){ \:C=\DoReg; \:C-1;
+ \Indirect{\Va=}<y.\Val\:C>; \:C+1;
+ \Indirect<y.\Val\:C>+\Va; } \FI
+\IF \GtInt(\:Ncols,1) \THEN
+ \Do(2,\:Ncols){ \:C=\DoReg;
+ \Indirect{\Va=+}<x.\Val\:C>; \:C-1;
+ \Indirect{\Va-}<x.\Val\:C>;
+ \Va*\:XGridEntry; \:C+1;
+ \Indirect{\Va+}<x.\Val\:C>; \:C-1;
+ \Indirect<x.\Val\:C>+\Va; }
+\:C=0; \:HorAdj(0,99){\:C+1; \:AdjGridWidth}
+\Do(2,\:Ncols){ \:C=\DoReg; \:C-1;
+ \Indirect{\Va=}<x.\Val\:C>; \:C+1;
+ \Indirect<x.\Val\:C>+\Va; } \FI
+\Do(1,\:Nrows){ \:C=\DoReg;
+ \Indirect{\Indirect<y.\Val\:C>=-}<y.\Val\:C>; }
+ \let\:TagNode=\::TagNode
+\let\:EdgeNode=\::EdgeNode
+
+\Do(1,\:Nrows){ \:C=\DoReg;
+ \Do(1,\:Ncols){ \:Ca=\DoReg;
+ \Indirect<\Val\:C..\Val\:Ca>}}
+ \Do(1,\:Nrows){ \:C=\DoReg;
+ \Do(1,\:Ncols){ \:Ca=\DoReg;
+ \Indirect\let<\Val\:C..\Val\:Ca>=\:undefined}}
+ \Table\:PolyBaseEdges{\:BaseEdges}
+\:C=-1; \:PolyBaseEdges(0,1){\:Count}
+\IF \EqInt(\:C,1) \THEN
+ \:PolyBaseEdges(1,999){\:InsertBaseEdge}
+\FI
+ \let\:CurrEdge=\:DiagramEdge
+\:endDiTags }
+ \Define\:Temp{
+\def\:GetGridRows##1//{
+ \IF \EqText(,##1) \THEN \let\:Next=\relax
+ \ELSE {\:C-1; \:TrcDiag{\immediate\write16{...read\space
+ row\space \Val\:C}}}
+ \def\Defend{\noexpand\noexpand\noexpand}
+\def\:Comma{,} \let\:CsCom=\,
+\def\,{\noexpand\:Comma}
+\let\:Temp=& \def&{\:Temp\:ShapeTyp}
+
+ \Indirect\Table<row.\Val\:C>{\:ShapeTyp##1}
+ \let\Defend=\noexpand\let&=\:Temp
+ \FI \:Next } }\:Temp\Define\:GetEntrySize(1){
+ \IF \EqText(,#1) \THEN \ELSE
+ \:TrcDiag{{ \:C-1; \:Ca-1; \:tk={#1}
+ \immediate\write16{\Val\:C..\Val\:Ca\space\space\the\:tk}}}
+ \:GetEntrySizeA(#1,) \FI }\Define\:GetEntrySizeA(3){
+ \def\:Temp{\:tk=} \:AddBaseEdges(#3)
+ \:PolyShapes(0,99){\:GetEntrySizeB(#1,#2)}} \Define\:Temp{
+\def\:GetEntrySizeB(##1,##2)(##3,##4){
+ \IF \EqText(,##2) \THEN \ELSE
+ \IF \EqText(##1,##3) \THEN
+ \Indirect\Define<\Val\:C..\Val\:Ca>{
+ \:AddGridNode(##4,##2)}
+ \let\:SvWg=~ \let~=\relax
+ \edef\:Temp{\noexpand##4(.;)(--##2--)}
+ \let~=\:SvWg
+ \FigSize\Va\Vb{\:Temp} \Va/2; \Vb/2;
+ \Indirect{\:Ve=}<x.\Val\:Ca>;
+ \IF \GtDec(\Va,\:Ve) \THEN
+ \Indirect<x.\Val\:Ca>=\Va; \FI
+ \Indirect{\:Ve=}<y.\Val\:C>;
+ \IF \GtDec(\Vb,\:Ve) \THEN
+ \Indirect<y.\Val\:C>=\Vb;
+ \FI \FI \FI }} \:Temp \Define\:AddGridNode(2){
+ \:C-1; \:Ca-1; \MoveToGrid(\Val\:C,\Val\:Ca)
+ \let\:SvWg=~\let~=\relax
+ \edef\:Temp{ \noexpand #1(\Val\:C..\Val\:Ca)(--#2--) }
+ \let~=\:SvWg
+ \:Temp \:C+1; }\Define\MoveToGrid(2){
+ \IF \LtInt(#1,0) \THEN \:aldwarn3{(#1,#2)} \FI
+ \IF \LtInt(#2,0) \THEN \:aldwarn3{(#1,#2)} \FI
+ \IF \GtInt(#1,\:Nrows) \THEN \:aldwarn3{(#1,#2)} \FI
+ \IF \GtInt(#2,\:Ncols) \THEN \:aldwarn3{(#1,#2)} \FI
+ \Indirect{\Va=}<x.#2>;
+ \Indirect{\Vb=}<y.#1>;
+ \MoveToLoc(GridOrg)
+ \Move(\Val\Va pt\du,\Val\Vb pt\du) }
+\Define\:AddBaseEdges(1){
+ \IF \EqText(,#1) \THEN \def\:Next{}
+ \ELSE
+ \:AddBaseEdgesB(#1)
+ \FI \:Next}
+
+\Define\:AddBaseEdgesB(2){
+ \expandafter\expandafter\expandafter\:Temp
+ \expandafter{\:BaseEdges &}
+ \edef\:BaseEdges{ \the\:tk \Val\:C,\Val\:Ca,#1 }
+ \def\:Next{\:AddBaseEdges(#2)}}
+
+\Define\:BaseEdges{0,0,0,0}\Define\:AdjGridWidth(3){
+ \Indirect{\Va=}<x.\Val\:C>; \Va+#1;
+ \IF \LtDec(\Va,#2) \THEN \Va=#2; \ELSE
+ \IF \GtDec(\Va,#3) \THEN \Va=#3; \FI \FI
+ \Indirect<x.\Val\:C>=\Va; }\Define\:AdjGridHeight(3){
+ \Indirect{\Va=}<y.\Val\:C>; \Va+#1;
+ \IF \LtDec(\Va,#2) \THEN \Va=#2; \ELSE
+ \IF \GtDec(\Va,#3) \THEN \Va=#3; \FI \FI
+ \Indirect<y.\Val\:C>=\Va; }\Define\:InsertBaseEdge(3){
+ \:C=#1; \:Ca=#2; \:TargetNode(#3,)
+\IF \EqInt(\:C,1) \THEN \:GetGridLbl(#3) \FI
+\:C=#1; \:Ca=#2;
+\expandafter\:GetTarget\:Temp..
+ \:C=#1; \:C-1; \:Ca=#2; \:Ca-1;
+ \edef\:Temp{\noexpand\:DiagramEdge(\Val\:C..\Val\:Ca,\:Temp\the\:tk)}
+ \:Temp} \Define\:TargetNode(2){
+ \def\:Temp{#1}
+ \IF \EqText(,#2) \THEN \:C=0; \:tk={}
+ \ELSE \:C=1; \FI }
+
+\Define\:GetGridLbl(2){ \:tk={,#2} } \Define\:Temp{
+\def\:GetTarget##1##2..##3##4..{
+ \:C-1; \:Ca-1; \edef\:tempa{\Val\:C..\Val\:Ca}
+ \IF \EqText(+,##1) \THEN
+ \:C+##2; \:Ca##3##4; \edef\:Temp{\Val\:C..\Val\:Ca}
+ \ELSE\IF \EqText(-,##1) \THEN
+ \:C-##2; \:Ca##3##4; \edef\:Temp{\Val\:C..\Val\:Ca}
+ \ELSE \def\:Temp{##1##2..##3##4} \FI\FI
+ \:TrcDiag{\immediate\write16{\:tempa-->\:Temp}} }
+ }\:Temp
+\fi
+\:CheckOption{tree}\if:option
+ \Define\:MoveH(2){
+ \ifx H\:TreeDir \Move(0,-#2)
+ \else \Move(#1,0) \fi }
+
+\Define\:MoveV(2){
+ \ifx H\:TreeDir \Move(#1,0)
+ \else \Move(0,#2) \fi }
+
+\Define\:MoveHV(2){
+ \ifx H\:TreeDir \Move(0,#2)
+ \else \Move(#1,0) \fi }
+
+\Define\:DistH(2){
+ \ifx H\:TreeDir \Va=#2; \else \Va=#1; \fi}
+\def\:oochild{0} \Define\:MoveLFr(2){
+ \ifx H\:TreeDir \MoveToNode(#2,0,-1) \else \MoveToNode(#2,1,0) \fi}
+\Define\:FrDs(2){ \MoveToLoc(:a) \MarkLoc(:a')
+ \if H\:TreeDir\relax \MoveToNode(#2,0,-1)
+ \else \MoveToNode(#2,1,0) \fi
+ \MarkLoc(:a)
+ \:tempb(\DoReg,\DoReg){\:MoveRFr}
+ \CSeg\:AddX(:a,:a') \CSeg\:AddX(:b',:b)
+ \ifx H\:TreeDir
+ \IF \GtDec(\:va,0) \THEN \:vb-\:va; \:va=0; \FI
+\else
+ \IF \LtDec(\:vb,0) \THEN \:va-\:vb; \:vb=0; \FI
+\fi
+ }
+
+\Define\:MoveRFr(2){
+ \MoveToLoc(:b) \MarkLoc(:b')
+ \ifx H\:TreeDir \MoveToNode(#1,0,1) \else \MoveToNode(#1,-1,0) \fi
+ \MarkLoc(:b) }
+\Define\:AddX(2){ \ifx H\:TreeDir \:va+#2; \else \:vb+#1; \fi }
+\Define\:Temp{ \let\:aprsnd=& }
+\:Temp \Define\:left(2){ \def\:frL{#1}}
+\Define\:right(2){ \let&=\relax
+ \edef\:frL{\:frL,#2} \let&=\:aprsnd }
+\Define\:copy(1){ \let&=\relax
+ \edef\:frL{\:frL & #1} \let&=\:aprsnd }
+
+\Define\:addleft(2){ \let&=\relax
+ \edef\:frL{\:frL&#1} \let&=\:aprsnd}
+
+\Define\:both(1){
+ \IF \GtInt(#1,0) \THEN
+ \Do(1,#1){
+ \:tempa(\DoReg,\DoReg){\:addleft}
+ \:tempb(\DoReg,\DoReg){\:right} }
+ \FI }
+ \:DefineExt\TreeSpec(1){\endgroup
+ \IF \EqText(,#1) \THEN \ELSE
+ \:TrNodes#1&&\let \:LeafNode=\:TreeNode
+ \FI \:DecideLeafNode }
+
+\def\:Temp{\catcode`\ =10 \catcode`\^^M=5 \catcode`\&=4 }
+\catcode`\ =9 \catcode`\^^M=9 \catcode`\&=13
+\def\:TrNodes#1&#2&{
+ \IF \EqText(,#2) \THEN
+ \Define\:TreeNode(2){#1(##1)(--##2--)}
+ \let\:Next=\relax
+ \ELSE
+ \Define\:TreeNode{
+ \expandafter\:CondTreeNode\:pars(#1)
+ \expandafter\:CondTreeNode\:pars(#2) }
+ \def\:tempa{ \Define\:TreeNode }
+ \let\:Next=\:DecideTreeNodes
+ \FI \:Next}
+
+\def\:DecideTreeNodes#1&{
+ \IF \EqText(,#1) \THEN \let\:Next=\relax
+ \def\:tempa{\Define\:TrNd}
+ \expandafter\expandafter\expandafter
+ \:tempa\expandafter{ \:TreeNode \:Temp }
+ \def\:TreeNode(##1,##2){
+ \def\:pars{(##1)(##2)} \:TrNd}
+ \ELSE
+ \expandafter\expandafter\expandafter
+ \:tempa\expandafter{ \:TreeNode
+ \expandafter\:CondTreeNode\:pars(#1)}
+ \FI \:Next}
+ \:Temp
+
+ \Define\:Temp{
+\def\:CondTreeNode(##1)(##2,##3)(##4,##5){
+ \IF \EqText(##2,##4) \THEN
+ \def\:Temp{##5(##1)(--##3--)}
+ \FI}
+ }\:Temp\:DefineExt\:DecideLeafNode(1){\endgroup
+ \IF \EqText(,#1) \THEN \ELSE
+ \Define\:LeafNode(2){#1(##1)(--##2--)}
+ \FI
+ \:DecideTreeEdge}\:DefineExt\:DecideTreeEdge(1){\endgroup
+ \IF \EqText(,#1) \THEN \ELSE
+ \Define\:TreeEdge(2){
+ \Indirect{\let\:Temp=} <##2.mvto>
+ \ifx \:Temp\:ChkInv \else
+ \:TrcDiag{\immediate\write16{##1,##2}}
+ \ifx H\:TreeDir \MoveToNode(##1,\:EntryX,0)
+ \else \MoveToNode(##1,0,\:EntryY) \fi
+ \:MvToDivider##1.. \MarkLoc(EdgeGuide)
+ #1(##1,##2)
+ \fi }
+ \FI} \Define\Tree(1){
+ \Define\:PolyVerTreeSp{#1}
+ \Define\:BareTr(1){,##1}
+ \begingroup \:Spaces \:Tree }
+
+\Define\LTree(1){
+ \Define\:PolyVerTreeSp{#1} \:LTree }
+
+\catcode`\#=13
+\Define\:LTree{\def#{\Defend&} \let\-=# \let\:BareTr=\relax
+ \begingroup \catcode`\#=13 \:Spaces \:Tree }
+\catcode`\#=6
+
+\Define\:Tree(1){\endgroup
+ \:bgDiTags
+ \let\:MergTree=\relax
+\ifx \:Cspace\:InInx \let\:MergTree=\::MergTree \fi
+\:TrSp(0,99){\:copt}
+ \ifx H\:TreeDir \let\:tempc=\Va
+ \def\:TreeEnEx{\EntryExit(\:EntryX,\:EntryY,0,0)}
+\else \let\:tempc=\Vb
+ \def\:TreeEnEx{\EntryExit(\:EntryX,\:EntryY,0,0)} \fi
+\:C=-1;
+ \let\:Next=\:GetTreeRows \:Next#1//
+ \Do(1,\Val\:C){ \:Ca=\DoReg;
+ \Indirect{\Va=-}<y.\Val\:Ca>; \:Ca-1;
+ \Indirect\DecVar<x.\Val\:Ca>
+\ifx H\:TreeDir \Indirect<x.\Val\:Ca>=-\:EntryX;
+\else \Indirect<x.\Val\:Ca>=\:EntryY; \fi
+\Indirect<x.\Val\:Ca>+1;
+\Indirect{\Indirect<x.\Val\:Ca>*}<y.\Val\:Ca>;
+\Indirect<x.\Val\:Ca>/2;
+ \Indirect{\Va+}<y.\Val\:Ca>;
+ \ifx H\:TreeDir \Va*-\:EntryX;
+ \else \Va*\:EntryY; \fi
+ \:Ca+1; \Indirect{\Va+}<y.\Val\:Ca>; \:Ca-1;
+ \Indirect<y.\Val\:Ca>+\Va;
+ \Indirect<y.\Val\:Ca>/2;}\:Ca=-1;
+\ifx \:PolyVerTreeSp\empty \else
+ \let\:tempa=\:PolyVerTreeSp
+ \Table\:PolyVerTreeSp{\:tempa}
+ \:PolyVerTreeSp(0,99){\:AddVerTreeSp}
+\fi
+\:Cb=\:Ca; \:Cb+1;
+\IF \GtInt(\:C,\:Cb) \THEN
+ \:Cb+1;
+ \Do(\Val\:Cb,\Val\:C){\:AddVerTreeSp(\:VerTreeSp)}
+\ELSE \IF \GtInt(\:Cb,\:C) \THEN
+ \:aldwarn1{}\FI\FI
+
+ \Indirect{\let\:va=}<x.0>
+\Indirect{\let\:vb=}<y.0>
+ \let\:TagNode=\::TagNode
+\let\:EdgeNode=\::EdgeNode
+
+\Do(0,\Val\:C){ \:Ca=-1; \:Cb=-1;
+ \Indirect<row.\DoReg>(0,99){
+ \:Ca+1; \:DefSubTree} }
+\gdef\:GetNodesAddr{} \:AddrCount=1;
+\Indirect<0..0> \global\let\:GetNodesAddr=\:undefined
+ \ifx \:BareTr\relax \let\:EnterTreeEdge=\:::EnterTreeEdge
+\else \let\:EnterTreeEdge=\::EnterTreeEdge \fi
+\:C-1;
+\Do(0,\Val\:C){ \:C=\DoReg; \:Ca=-1; \:Cb=\DoReg; \:Cb+1; \:Cc=-1;
+ \Indirect<row.\DoReg>(0,99){
+ \:Ca+1; \:EnterTreeEdge} }
+ \let\:CurrEdge=\:TreeEdge
+\let\:tempa=\:MvToDivider
+\def\:MvToDivider##1..##2..{\Move(0.001pt\du,0.001pt\du)}
+\:endDiTags \let\:MvToDivider=\:tempa
+ \let\-=\:svneg }
+
+\let\:svneg=\- \Define\:Temp{
+\def\:GetTreeRows##1//{
+ \def\:Temp{##1}
+ \ifx \:Temp\empty \let\:Next=\relax \else
+ \:C+1;
+ \ifx \:BareTr\relax \else
+ \TableData\:Temp\:BareTr{##1}
+ \fi
+ \Indirect\Table<row.\Val\:C>{\:Temp}
+ \def\:tempa{} \:Vc=0;
+\def\:tempb{\:tk=} \:Ca=-1;
+\Indirect<row.\Val\:C>(0,99){\:Ca+1; \:MeasureRow}
+\Indirect\DecVar<y.\Val\:C>
+\Indirect<y.\Val\:C>=\:Vc;
+ \fi \:Next}
+ }\:Temp\Define\::EnterTreeEdge(3){
+ \IF \GtInt(#2,0) \THEN
+ \Do(1,#2){ \:Cc+1;
+ \edef\:temp{\noexpand\:TreeEdge
+ (\Val\:C..\Val\:Ca,\Val\:Cb..\Val\:Cc)
+ \noexpand\:C=\Val\:C; \noexpand\:Ca=\Val\:Ca;}
+ \:temp }
+ \FI }\Define\:::EnterTreeEdge(3){
+ \edef\:temp{\:tk={\noexpand\:C=\Val\:C;
+ \noexpand\:Ca=\Val\:Ca;}} \:temp
+ \IF \GtInt(#2,0) \THEN
+ \Table\:BareTr{#1}
+ \:BareTr(0,99){ \:Cc+1; \the\:tk
+ \edef\:temp{\noexpand\:TreeEdgePos
+ (\Val\:C..\Val\:Ca,\Val\:Cb..\Val\:Cc) }
+ \:temp \:TreeLabel }
+ \FI \the\:tk }
+
+\Define\:TreeEdgePos(2){ \:TreeEdge(#1,#2) \LTreePos(#1,#2) }
+
+\Define\:TreeLabel(1){ \EdgeLabel(--#1--) }
+\Define\LTreePos(2){ \DSeg\Va(#1,#2)
+ \IF \LtDec(\Va,270) \THEN \LabelPos(0.65;-3;3,)
+ \ELSE \LabelPos(+0.65;3;3,) \FI }\Define\:DefSubTree(3){ \:tk={#3}
+ \edef\:Temp{
+ \noexpand\::DefSubTree(#2,\the\DoReg,\Val\:Ca,\Val\:Cb,\the\:tk)}
+ \:Cb+#2; \:Temp}\Define\::DefSubTree(5){
+ \Indirect\Object<#2..#3>{
+ \let\:ochild=\:oochild \let\:currFrL=\:frL \let\:currDpL=\:dpL
+\def\:dpL{-1} \def\:frL{}
+ \:Ca=#3; \:Cc=#2;
+ \:TrSp(0,99){\:unl}
+ \:Cc+1; \:Cb=#4; \:Cb+1;
+ \IF \GtInt(#1,0) \THEN
+ \edef\:parmA{#1} \edef\:parmB{#2}
+ \:tk={#5} \def\:parmC{\the\:tk}
+ \def\:Temp{\:Cind }
+ \ELSE \:tk={#5}
+ \edef\:Temp{\noexpand \:Clnd (#2,\noexpand\the\:tk) }
+ \FI
+ \edef\:Temp{\expandafter\noexpand\:Temp
+ \noexpand\:endSubTr (#1,#2,#3)}
+ \:Temp }}\Define\:endSubTr(3){
+ \Indirect{\Indirect
+ { \global\let}<#2..\Val\:Ca.mvto>= }<#2..\Val\:Ca.mvto>
+\MoveToLoc(#2..\Val\:Ca) \MarkXLoc(#2..\Val\:Ca)
+\MoveToLoc(#2..\Val\:Ca;:11) \MarkXLoc(#2..\Val\:Ca;:11)
+\edef\:temp{\noexpand\:AddNodesAddr(#2..\Val\:Ca) } \:temp
+ \:Ca=\:dpL; \:Ca+1; \xdef\:dpR{\Val\:Ca} \let&=\relax
+\xdef\:frR{ #2..#3,#2..#3 & \:frL }
+\ifx \:Cspace\:InInx
+ \let&=\:aprsnd
+ \:Ca=#2; \:Ca*#1; \:Ca*\:ochild; \:Ca*\:lchild;
+\IF \GtInt(\:Ca,0) \THEN
+ \IF \GtInt(\:currDpL,\:dpR) \THEN \def\:tempc{\:dpR}
+\ELSE \def\:tempc{\:currDpL} \FI
+\Table\:tempa{\:currFrL}
+\Table\:tempb{\:frR} \if H\:TreeDir \MoveToNode(#2..#3,0,1)
+\else \MoveToNode(#2..#3,-1,0) \fi \MarkLoc(:b)
+\:tempa(0,0){\:MoveLFr} \MarkLoc(:a)
+\:va=0; \:vb=0; \IF \GtInt(\:tempc,0) \THEN
+ \let\:MoveToInv=\::MoveToInv
+ \DoReg=0\relax \:tempa(1,\:tempc){\advance\DoReg by 1 \:FrDs}
+\FI
+ \MoveToLoc(a:) \:MoveH(-\Val\:va,\Val\:vb)
+ \MarkXLoc(INc:)
+\FI \fi } \Define\:Cind{
+ \edef\:lchild{\Val\:Cb}
+\def\:oochild{0}
+\:trcTree
+\Indirect<\Val\:Cc..\Val\:Cb>[\:InInx] \:SubTreeAddrs
+\let\:dpL=\:dpR \let\:frL=\:frR
+\MoveToLoc(INx:) \MarkLoc(-12:)
+\MoveToLoc(IN:) \MarkLoc(-11:)
+\MoveToLoc(OUTx:) \MarkLoc(12:)
+\MoveToLoc(OUT:) \MarkLoc(11:)
+\IF \GtInt(\:parmA,1) \THEN
+ \def\:oochild{1}
+ \Do(2,\:parmA){
+ \MoveToLoc(\:OutOutx)
+ \:MoveH(\:HorTreeSp,\:HorTreeSp)
+ \:TrSp(0,99){\:spbn} \:Cb+1;
+ \:trcTree
+ \Indirect<\Val\:Cc..\Val\:Cb>[\:InInx] \:SubTreeAddrs
+ \MarkLoc(o:)
+\MoveToLoc(INx:) \MarkLoc(-\DoReg2:)
+\MoveToLoc(IN:) \MarkLoc(-\DoReg1:)
+\MoveToLoc(OUTx:) \MarkLoc(\DoReg2:)
+\MoveToLoc(OUT:) \MarkLoc(\DoReg1:)
+\MoveToLoc(o:)
+ \:MergTree }
+\FI \:C=\:parmB; \:TrSp(0,99){\:lcalg}
+\:ChildLoc(\:AlignA,-12:,-11:,11:,12:) \MarkLoc(a:)
+\:ChildLoc(\:AlignB,INx:,IN:,OUT:,OUTx:) \MarkLoc(b:)
+\:C=\:parmB;
+\IF \LtDec(\:AlignC,-1) \THEN
+ \MoveToLoc(a:) \:MoveH(\:AlignC,\:AlignC)
+\ELSE \IF \GtDec(\:AlignC,1) \THEN
+ \MoveToLoc(b:) \:MoveH(\:AlignC,\:AlignC)
+\ELSE
+ \CSeg[0.5]\Move(b:,a:) \MarkLoc(o:)
+ \CSeg[\:AlignC]\Move(o:,b:)
+\FI \FI
+\:TrSp(0,99){\:mvpr}
+\ifx H\:TreeDir \Indirect{\Move(-\Val}<y.\Val\:C>,0)
+\else \Indirect{\Move(0,\Val}<y.\Val\:C>) \fi
+ \MarkLoc(o:) \:TreeEnEx
+\edef\:Temp{\noexpand\:TreeNode(\:parmB..\Val\:Ca,\:parmC)}\:Temp
+\ifx H\:TreeDir
+ \MoveToNode(\:parmB..\Val\:Ca,0,1) \MarkLoc(a:)
+ \MoveToNode(\:parmB..\Val\:Ca,0,-1) \MarkLoc(b:)
+\else
+ \MoveToNode(\:parmB..\Val\:Ca,-1,0) \MarkLoc(a:)
+ \MoveToNode(\:parmB..\Val\:Ca,1,0) \MarkLoc(b:)
+\fi
+\MoveToLoc(o:) \CSeg\:MoveHV(o:,a:)
+\MarkLoc(a:) \MarkXLoc(IN:)
+\MarkXLoc(INc:)
+\MoveToLoc(o:) \CSeg\:MoveHV(o:,b:)
+\MarkXLoc(OUT:) \MarkLoc(b:)
+\MoveToLoc(o:) \CSeg\:MoveHV(o:,-12:) \MarkLoc(-12:)
+\MoveToLoc(a:) \CSeg\:DistH(a:,-12:)
+\IF \LtDec(\Va,0) \THEN
+ \ifx H\:TreeDir
+ \else \Move(\Val\Va,0) \fi
+\ELSE
+ \ifx H\:TreeDir \Move(0,\Val\Va)
+ \else \fi
+ \FI
+\MarkXLoc(INx:)
+\MoveToLoc(o:) \CSeg\:MoveHV(o:,OUTx:) \MarkLoc(OUTx:)
+\MoveToLoc(b:) \CSeg\:DistH(b:,OUTx:)
+\IF \GtDec(\Va,0) \THEN
+ \ifx H\:TreeDir
+ \else \Move(\Val\Va,0) \fi
+\ELSE
+ \ifx H\:TreeDir \Move(0,\Val\Va)
+ \else \fi
+ \FI
+\MarkXLoc(OUTx:) }
+\Define\:Clnd(2){
+ \MarkLoc(o:) \:TreeEnEx \:C=#1; \:LeafNode(#1..\Val\:Ca,#2)
+\ifx H\:TreeDir
+ \MoveToNode(#1..\Val\:Ca,0,1) \MarkLoc(IN:)
+ \MoveToNode(#1..\Val\:Ca,0,-1)
+\else
+ \MoveToNode(#1..\Val\:Ca,-1,0) \MarkLoc(IN:)
+ \MoveToNode(#1..\Val\:Ca,1,0) \fi
+\MarkLoc(OUT:) \MoveToLoc(o:) \CSeg\:MoveHV(o:,IN:)
+\MarkXLoc(IN:) \MarkXLoc(INc:) \MarkXLoc(INx:)
+\MoveToLoc(o:) \CSeg\:MoveHV(o:,OUT:)
+\MarkXLoc(OUT:) \MarkXLoc(OUTx:) }
+\Define\TreeAlign(3){ \let\:TreeDir=#1
+ \def\:EntryX{#2} \def\:EntryY{#3} \:AlignTree}
+
+\Define\:AlignTree(3){
+ \def\:AlignA{#1} \def\:AlignB{#2} \def\:AlignC{#3}}
+
+\TreeAlign(V,0,0)(0,0,0)
+\Define\:trcTree{\:TrcDiag{\immediate\write16{\space
+ \:parmB..\Val\:Ca,\Val\:Cc..\Val\:Cb}}}
+\Define\:ChildLoc(2){
+\IF \LtDec(#1,0) \THEN \Va=-#1;
+ \ELSE \Va= #1; \FI
+\IF \LtDec(\Va,100) \THEN
+ \::ChildLoc(#1,#2)
+\ELSE \Va/100; \:C[\Va]; \Vb=#1;
+ \IF \GtDec(#1,0) \THEN \Vb-\:C 00;
+ \ELSE \Vb+\:C 00; \FI
+ \edef\:Temp{\noexpand\::ChildLoc
+ (\Val\Vb,-\Val\:C2:,-\Val\:C1:,\Val\:C1:,\Val\:C2:)}\:Temp
+\FI } \Define\::ChildLoc(5){
+ \IF \LtDec(#1,-2) \THEN
+ \MoveToLoc(#2) \:MoveH(#1,#1)
+ \ELSE \IF \GtDec(#1,2) \THEN
+ \MoveToLoc(#4) \:MoveH(#1,#1)
+ \ELSE \IF \LtDec(#1,-1) \THEN
+ \MoveToLoc(#3) \Va=#1; \Va+1;
+ \CSeg[\Val\Va]\Move(#2,#3)
+ \ELSE \IF \GtDec(#1,1) \THEN
+ \MoveToLoc(#4) \Va=#1; \Va-1;
+ \CSeg[\Val\Va]\Move(#4,#5)
+ \ELSE \MoveToLoc(#3)
+ \CSeg[0.5]\Move(#3,#4) \:MoveH(#1,#1)
+ \FI \FI \FI \FI}\def\:GetIx#1..#2//{\:Ca=#1;\:Cb=#2;}
+
+\Define\::MoveToInv(3){
+ \Indirect{\let\:temp=}<#1.mvto>
+ \expandafter\ifx\:temp\MoveToInv
+ \:GetIx#1// \ifx H\:TreeDir \:Cb-#3; \else \:Cb-#2; \fi
+ \edef\:Temp{\noexpand\MoveToInv(\Val\:Ca..\Val\:Cb,
+ \ifx H\:TreeDir 0,#3 \else -#2,0 \fi)}
+ \expandafter\:Temp
+ \ELSE
+ \ifx H\:TreeDir \Indirect<#1.mvto>(#1,0,#3)
+ \else \Indirect<#1.mvto>(#1,-#2,0) \fi
+ \FI }
+
+\def\MoveToInv{\:MoveToInv}
+\let\:MoveToInv=\MoveToRect \Define\::MergTree{
+ \edef\:Temp{\DoReg=\the\DoReg\relax}
+ \Table\:tempa{\:frL}
+\Table\:tempb{\:frR}
+\:tempa(0,0){\:left}
+\:tempb(0,0){\:right}
+\IF \GtInt(\:dpR,\:dpL) \THEN
+ \:both(\:dpL) \:DoReg=\:dpL \advance\:DoReg by 1\relax
+\:tempb(\:DoReg,\:dpR){\:copy}
+ \let\:dpL=\:dpR
+\ELSE
+ \:both(\:dpR)
+\IF \GtInt(\:dpL,\:dpR) \THEN
+ \:DoReg=\:dpR \advance\:DoReg by 1\relax
+ \:tempa(\:DoReg,\:dpL){\:copy}
+\FI
+\FI \:Temp } \Define\:copt(3){\::copt(#3,)}
+\Define\::copt(2){
+ \IF \EqText(#1,C) \THEN
+ \let\:MergTree=\::MergTree \FI }
+\Define\:MeasureRow(3){
+ \:TrcDiag{{ \:tk={#1,#2,#3}
+ \immediate\write16{\Val\:C..\Val\:Ca\space\space\the\:tk}}}
+ \IF \EqInt(#2,0) \THEN
+ \FigSize\Va\Vb{\:LeafNode(x,#3)}
+ \ELSE \FigSize\Va\Vb{\:TreeNode(x,#3)} \FI
+ \expandafter\expandafter\expandafter\:tempb
+ \expandafter{\:tempa &}
+ \edef\:tempa{\the\:tk #2,\Val\Va,\Val\Vb}
+ \IF \LtDec(\:Vc,\:tempc) \THEN \:Vc=\:tempc; \FI }
+\Define\:AddVerTreeSp(1){
+ \:Ca+1; \Indirect<y.\Val\:Ca>+#1;
+ \Va=#1; \Va*\:TreeEdgeSpec; \Indirect<x.\Val\:Ca>+\Va; }
+
+\:DefineExt\TreeSpace(3){\endgroup
+ \IF \EqText(D,#1) \THEN
+ \def\:OutOutx{OUT:} \def\:InInx{IN:} \FI
+ \IF \EqText(C,#1) \THEN
+ \def\:OutOutx{OUT:} \def\:InInx{INc:}
+ \let\:Cspace=\:InInx \FI
+ \IF \EqText(S,#1) \THEN
+ \def\:OutOutx{OUTx:} \def\:InInx{INx:} \FI
+ \:edef\:HorTreeSp{#2}
+ \:edef\:VerTreeSp{#3} }
+
+\TreeSpace(S,10,20)\:DefineExt\AdjTree(1){\endgroup
+ \IF \EqText(#1,) \THEN \Table\:TrSp{,,}
+ \ELSE \Table\:TrSp{#1} \FI }
+
+\AdjTree()\Define\:unl(3){
+ \IF \EqText(#1,L) \THEN
+ \IF \EqInt(\:Cc,#2) \THEN \TreeSpace(#3,0) \FI
+ \ELSE \IF \EqText(#1,N) \THEN
+ \:edef\:Temp{\noexpand\EqText(\Val\:Cc..\Val\:Ca,#2)}
+ \IF \:Temp \THEN \TreeSpace(#3,0) \FI
+ \FI \FI}\Define\:spbn(3){
+ \IF \EqText(#1,B) \THEN
+ \:edef\:Temp{\noexpand\EqText(\Val\:Cc..\Val\:Cb,#2)}
+ \IF \:Temp \THEN \:MoveH(#3,#3)
+ \FI\FI}\Define\:lcalg(3){
+ \IF \EqText(#1,A) \THEN
+ \:edef\:Temp{\noexpand\EqText(\Val\:C..\Val\:Ca,#2)}
+ \IF \:Temp \THEN
+ \:xalg(#3)
+ \FI\FI}
+\Define\:xalg(2){ \def\:EntryX{#1} \:AlignTree(#2) }
+\Define\:mvpr(3){
+ \IF \EqText(#1,M) \THEN
+ \:edef\:Temp{\noexpand\EqText(\Val\:C..\Val\:Ca,#2)}
+ \IF \:Temp \THEN \:MoveH(#3,-#3)
+ \FI\FI}\Define\TreeEdgeSpec(1){\:edef\:TreeEdgeSpec{#1}}
+\TreeEdgeSpec(0.5) \def\:ChkInv{\MoveToInv}
+
+ \Define\:Temp{
+\def\:MvToDivider##1..##2..{
+ \ifx H\:TreeDir \Indirect{\Move(\Val}<x.##1>,0)
+ \else \Indirect{\Move(0,-\Val}<x.##1>) \fi }
+ }\:Temp \Define\TreeEdge(2){
+ \ifx H\:TreeDir \HHEdge(#1,#2,EdgeGuide)
+ \else \VVEdge(#1,#2,EdgeGuide) \fi }
+\Define\:AddNodesAddr(1){
+ \Define\:temp{\gdef\:GetNodesAddr}
+ \expandafter\expandafter\expandafter
+ \:temp\expandafter{\:GetNodesAddr & #1 }}
+
+\Define\:SubTreeAddrs{
+ \Table\:AddrPoly{ \:GetNodesAddr}
+ \:AddrPoly(\Val\:AddrCount,999){\:AddrCount+1;\:RecordAddr} }
+
+\Define\:RecordAddr(1){\MoveToLoc(#1) \MarkXLoc(#1)
+ \MoveToLoc(#1;:11) \MarkXLoc(#1;:11)}
+
+\IntVar\:AddrCount\TreeSpec(\Node)()(\TreeEdge)
+\fi
+\let\if:option=\:undefined
+\let\:CheckOption=\:undefined
+\let\:GetOptions=\:undefined
+\let\AlDraTex=\:undefined
+\def\:aldwarn#1#2{\immediate
+ \write16{---AlDraTeX warning--- \ifcase #1
+ insufficient space for arrow head %0
+ \or \string\Tree(too many values)(...) %1
+ \or edge from node #2 to itself %2
+ \or #2 not a grid point %3
+ \or too many entries in (#2) %4
+ \or too many rows: \Val\:C %5
+ \or row \Val\:C\space has too many columns: \Val\:Ca %6
+ \or \Val\:C\space(>5) entries in \string\BarChartSpec %7
+ \or more than one bar in \string\BarChartSpec(\the\:tk) %8
+ \or no font for \string\NewCIRCNode, trying `\string
+ \font\string\CIRC=lcircle10 scaled\string\magstep5' %9
+ \or \string\PutNode(#2)? %10
+ \or \string\GridDiagram(#2)? less than 2 rows/columns %11
+ \fi}}
+
+\:RestoreCatcodes \endinput
+