% Copyright 2018 by Till Tantau and Mark Wibrow % % This file may be distributed and/or modified % % 1. under the LaTeX Project Public License and/or % 2. under the GNU Public License. % % See the file doc/generic/pgf/licenses/LICENSE for more details. \ProvidesFileRCS{pgflibraryshapes.arrows.code.tex} % keys for shape single arrow % % /pgf/single arrow tip angle % /pgf/single arrow head extend % /pgf/single arrow head indent \pgfkeys{/pgf/.cd, single arrow tip angle/.initial=90, single arrow head extend/.initial=.25cm, single arrow head indent/.initial=0cm, }% % Shape single arrow % % \pgfdeclareshape{single arrow}{% \savedmacro\getsinglearrowpoints{% % % Get the outer sep. % \pgfmathsetlength\pgf@x{\pgfkeysvalueof{/pgf/outer xsep}}% \edef\xoutersep{\the\pgf@x}% \pgfmathsetlength\pgf@y{\pgfkeysvalueof{/pgf/outer ysep}}% \edef\youtersep{\the\pgf@y}% % % Get the node dimensions. % \pgfmathsetlength\pgf@xa{\pgfkeysvalueof{/pgf/inner xsep}}% \advance\pgf@xa.5\wd\pgfnodeparttextbox% \advance\pgf@xa.5\pgflinewidth% \pgfmathsetlength\pgf@ya{\pgfkeysvalueof{/pgf/inner ysep}}% \advance\pgf@ya.5\ht\pgfnodeparttextbox% \advance\pgf@ya.5\dp\pgfnodeparttextbox% \advance\pgf@ya.5\pgflinewidth% \ifpgfshapeborderusesincircle% \ifdim\pgf@xa<\pgf@ya% \pgf@xa\pgf@ya% \fi% \pgf@xa1.41421\pgf@xa% \pgf@ya\pgf@xa% \pgfmathsetmacro\rotate{\pgfkeysvalueof{/pgf/shape border rotate}}% \ifdim\xoutersep>\youtersep\relax% \let\youtersep\xoutersep% \else% \let\xoutersep\youtersep% \fi% \else% % % Round the rotation. % \pgfmathsetmacro\rotate{\pgfkeysvalueof{/pgf/shape border rotate}}% \pgfmathmod@{\rotate}{360}% \afterassignment\pgfmath@gobbletilpgfmath@% \expandafter\c@pgf@counta\pgfmathresult\relax\pgfmath@% \advance\c@pgf@counta45\relax% \divide\c@pgf@counta90\relax% \multiply\c@pgf@counta90\relax% \ifnum\c@pgf@counta<0\relax% \advance\c@pgf@counta360\relax% \fi% \edef\rotate{\the\c@pgf@counta}% % % Calculate the width and height of the node % contents, according to any border rotation. % \ifnum\c@pgf@counta=90\relax% \pgf@x\pgf@xa% \pgf@xa\pgf@ya% \pgf@ya\pgf@x% \let\pgfmathresult\xoutersep% \let\xoutersep\youtersep% \let\youtersep\pgfmathresult% \else% \ifnum\c@pgf@counta=270\relax% \pgf@x\pgf@xa% \pgf@xa\pgf@ya% \pgf@ya\pgf@x% \let\pgfmathresult\xoutersep% \let\xoutersep\youtersep% \let\youtersep\pgfmathresult% \fi% \fi% \fi% \addtosavedmacro\rotate% % % Get some useful trig stuff. % \pgfmathdivide{\pgfkeysvalueof{/pgf/single arrow tip angle}}{2}% \let\halftipangle\pgfmathresult% \pgfmathcosec@{\halftipangle}% \let\cosechalftipangle\pgfmathresult% \pgfmathcos@{\halftipangle}% \pgfutil@tempdima\pgfmathresult pt\relax% \pgfutil@tempdima\cosechalftipangle\pgfutil@tempdima% \edef\cothalftipangle{\pgfmath@tonumber{\pgfutil@tempdima}}% \pgfmathreciprocal@{\pgfmathresult}% \let\sechalftipangle\pgfmathresult% \pgfmathsin@{\halftipangle}% \pgfutil@tempdima\pgfmathresult pt\relax% \pgfutil@tempdima\sechalftipangle\pgfutil@tempdima% \edef\tanhalftipangle{\pgfmath@tonumber{\pgfutil@tempdima}}% % % Get the single arrow head extend, and adjust for minimum width. % \pgf@xb\pgf@ya% \pgf@xb\cothalftipangle\pgf@xb% \pgfmathsetlength\pgf@xc{\pgfkeysvalueof{/pgf/single arrow head extend}}% \pgf@yc\pgf@xc% \advance\pgf@xc\pgf@ya% \pgfmathsetlength\pgfutil@tempdimb{\pgfkeysvalueof{/pgf/minimum width}}% \ifdim\pgf@xc<.5\pgfutil@tempdimb% \pgfutil@tempdimb.5\pgfutil@tempdimb% \pgfmathdivide@{\pgfmath@tonumber{\pgfutil@tempdimb}}{\pgfmath@tonumber{\pgf@xc}}% \pgf@ya\pgfmathresult\pgf@ya% \pgf@xc\pgfmathresult\pgf@xc% \pgf@yc\pgfmathresult\pgf@yc% \pgf@xb\pgfmathresult\pgf@xb% \fi% % % Now calculate the height of the arrow and adjust for minimum height. % \advance\pgf@xc-\pgf@ya% \pgf@xc\cothalftipangle\pgf@xc% \pgf@xa2.0\pgf@xa% \advance\pgf@xa\pgf@xb% \pgfmathsetlength\pgfutil@tempdimb{\pgfkeysvalueof{/pgf/minimum height}}% \ifdim\pgf@xa<\pgfutil@tempdimb% \pgf@xa\pgfutil@tempdimb% \fi% \advance\pgf@xa-\pgf@xb% \pgf@xa.5\pgf@xa% \pgfmathsetlength\pgfutil@tempdima{\pgfkeysvalueof{/pgf/single arrow head indent}}% % % Now: % % xa - .5 * width of the node minus xb. % ya - .5 * height of the node contents. % xb - distance from the end of the node contents to the arrow tip. % xc - distance from the end of the node contents to the back end of the arrow head. % yc - distance from the top of the node contents to the top end of the arrow head. % \pgfsavepgf@process\centerpoint{% \pgf@x.5\wd\pgfnodeparttextbox% \pgf@y.5\ht\pgfnodeparttextbox% \advance\pgf@y-.5\dp\pgfnodeparttextbox% }% \pgfsavepgf@process\basepoint{% \pgf@x.5\wd\pgfnodeparttextbox% \pgf@y0pt% }% \pgfsavepgf@process\midpoint{% \pgf@x.5\wd\pgfnodeparttextbox% \pgfmathsetlength\pgf@y{+.5ex}% }% % % As the arrow is symmetrical it can be described by only four points: % \pgfsavepgf@process\arrowtip{% \pgf@x\pgf@xa% \advance\pgf@x\pgf@xb% \pgf@y0pt\relax% }% \pgfsavepgf@process\beforearrowtip{% \pgf@x\pgf@xa% \advance\pgf@x-\pgf@xc% \pgf@y\pgf@ya% \advance\pgf@y\pgf@yc% }% \pgfsavepgf@process\beforearrowhead{% \pgf@x\pgf@xa% \advance\pgf@x-\pgf@xc% \advance\pgf@x\pgfutil@tempdima% \pgf@y\pgf@ya% }% \pgfsavepgf@process\afterarrowtail{% \pgf@x-\pgf@xa% \pgf@y\pgf@ya% }% % % Calculate the anchor point at the arrow tip... % \pgfsavepgf@process\arrowtipanchor{% \pgfpointadd{\centerpoint}{\arrowtip}% \pgf@xa\xoutersep\relax% \advance\pgf@x\cosechalftipangle\pgf@xa% }% \advance\pgf@x.5\wd\pgfnodeparttextbox% \edef\externalradius{\the\pgf@x}% \addtosavedmacro\externalradius% % % ...and the rest of the points. % \pgfmathanglebetweenlines{\beforearrowtip}{\beforearrowhead}{\beforearrowtip}{\arrowtip}% \pgf@xa\xoutersep\relax% \pgfutil@tempdima\pgfmathresult pt\relax% \pgfutil@tempdima.5\pgfutil@tempdima% \pgfmathcosec@{\pgfmath@tonumber{\pgfutil@tempdima}}% \pgf@xa\pgfmathresult\pgf@xa% \pgfutil@tempdima-\pgfutil@tempdima% \advance\pgfutil@tempdima180pt\relax% \advance\pgfutil@tempdima-\halftipangle pt\relax% % \pgfsavepgf@process\beforearrowtipanchor{% \pgfqpointpolar{\pgfmath@tonumber{\pgfutil@tempdima}}{\the\pgf@xa}% \pgf@xb\pgf@x% \pgf@yb\pgf@y% \pgf@process{\pgfpointadd{\centerpoint}{\beforearrowtip}}% \advance\pgf@x\pgf@xb% \advance\pgf@y\pgf@yb% }% \pgfmathanglebetweenpoints{\beforearrowhead}{\beforearrowtip}% \pgfutil@tempdima-\pgfmathresult pt\relax% \advance\pgfutil@tempdima180pt\relax% \pgfutil@tempdima.5\pgfutil@tempdima% \pgfmathcosec@{\pgfmath@tonumber{\pgfutil@tempdima}}% \pgf@xa\xoutersep\relax% \pgf@xa\pgfmathresult\pgf@xa% \pgfutil@tempdima-\pgfutil@tempdima% \advance\pgfutil@tempdima180pt\relax% \pgfsavepgf@process\beforearrowheadanchor{% \pgfqpointpolar{\pgfmath@tonumber{\pgfutil@tempdima}}{\the\pgf@xa}% \pgf@xb\pgf@x% \pgf@yb\pgf@y% \pgf@process{\pgfpointadd{\centerpoint}{\beforearrowhead}}% \advance\pgf@x\pgf@xb% \advance\pgf@y\pgf@yb% }% \pgfsavepgf@process\afterarrowtailanchor{% \pgfpointadd{\centerpoint}{\afterarrowtail}% \advance\pgf@x-\xoutersep\relax% \advance\pgf@y\youtersep\relax% }% % \pgfmathanglebetweenpoints{\centerpoint}{\beforearrowtipanchor}% \let\center@angle@beforearrowtip\pgfmathresult% \pgfmathanglebetweenpoints{\centerpoint}{\beforearrowheadanchor}% \let\center@angle@beforearrowhead\pgfmathresult% \pgfmathanglebetweenpoints{\centerpoint}{\afterarrowtailanchor}% \let\center@angle@afterarrowtail\pgfmathresult% \addtosavedmacro\center@angle@beforearrowtip% \addtosavedmacro\center@angle@beforearrowhead% \addtosavedmacro\center@angle@afterarrowtail% % \pgfmathanglebetweenpoints{\midpoint}{\beforearrowtipanchor}% \let\mid@angle@beforearrowtip\pgfmathresult% \pgfmathanglebetweenpoints{\midpoint}{\beforearrowheadanchor}% \let\mid@angle@beforearrowhead\pgfmathresult% \pgfmathanglebetweenpoints{\midpoint}{\afterarrowtailanchor}% \let\mid@angle@afterarrowtail\pgfmathresult% \addtosavedmacro\mid@angle@beforearrowtip% \addtosavedmacro\mid@angle@beforearrowhead% \addtosavedmacro\mid@angle@afterarrowtail% % \pgfmathanglebetweenpoints{\basepoint}{\beforearrowtipanchor}% \let\base@angle@beforearrowtip\pgfmathresult% \pgfmathanglebetweenpoints{\basepoint}{\beforearrowheadanchor}% \let\base@angle@beforearrowhead\pgfmathresult% \pgfmathanglebetweenpoints{\basepoint}{\afterarrowtailanchor}% \let\base@angle@afterarrowtail\pgfmathresult% \addtosavedmacro\base@angle@beforearrowtip% \addtosavedmacro\base@angle@beforearrowhead% \addtosavedmacro\base@angle@afterarrowtail% % \addtosavedmacro\arrowtipanchor% \addtosavedmacro\beforearrowtipanchor% \addtosavedmacro\beforearrowheadanchor% \addtosavedmacro\afterarrowtailanchor% }% \savedanchor\centerpoint{% \pgf@x.5\wd\pgfnodeparttextbox% \pgf@y.5\ht\pgfnodeparttextbox% \advance\pgf@y-.5\dp\pgfnodeparttextbox% }% \savedanchor\midpoint{% \pgf@x.5\wd\pgfnodeparttextbox% \pgfmathsetlength\pgf@y{+0.5ex}% }% \savedanchor\basepoint{% \pgf@x.5\wd\pgfnodeparttextbox% \pgf@y0pt% }% \anchor{center}{\centerpoint}% \anchor{mid}{\midpoint}% \anchor{mid east}{% \getsinglearrowpoints% \let\pgf@singlearrow@referencepoint\midpoint% \csname pgf@anchor@single arrow@border\endcsname{\pgfqpoint{\externalradius}{0pt}}% }% \anchor{mid west}{% \getsinglearrowpoints% \let\pgf@singlearrow@referencepoint\midpoint% \csname pgf@anchor@single arrow@border\endcsname{\pgfqpoint{-\externalradius}{0pt}}% }% \anchor{base}{\basepoint}% \anchor{base east}{% \getsinglearrowpoints% \let\pgf@singlearrow@referencepoint\basepoint% \csname pgf@anchor@single arrow@border\endcsname{\pgfqpoint{\externalradius}{0pt}}% }% \anchor{base west}{% \getsinglearrowpoints% \let\pgf@singlearrow@referencepoint\basepoint% \csname pgf@anchor@single arrow@border\endcsname{\pgfqpoint{-\externalradius}{0pt}}% }% \anchor{north}{% \getsinglearrowpoints% \csname pgf@anchor@single arrow@border\endcsname{\pgfqpoint{0pt}{\externalradius}}% }% \anchor{south}{% \getsinglearrowpoints% \csname pgf@anchor@single arrow@border\endcsname{\pgfqpoint{0pt}{-\externalradius}}% }% \anchor{east}{% \getsinglearrowpoints% \csname pgf@anchor@single arrow@border\endcsname{\pgfqpoint{\externalradius}{0pt}}% }% \anchor{west}{% \getsinglearrowpoints% \csname pgf@anchor@single arrow@border\endcsname{\pgfqpoint{-\externalradius}{0pt}}% }% \anchor{north east}{% \getsinglearrowpoints% \csname pgf@anchor@single arrow@border\endcsname{\pgfqpoint{\externalradius}{\externalradius}}% }% \anchor{south east}{% \getsinglearrowpoints% \csname pgf@anchor@single arrow@border\endcsname{\pgfqpoint{\externalradius}{-\externalradius}}% }% \anchor{south west}{% \getsinglearrowpoints% \csname pgf@anchor@single arrow@border\endcsname{\pgfqpoint{-\externalradius}{-\externalradius}}% }% \anchor{north west}{% \getsinglearrowpoints% \csname pgf@anchor@single arrow@border\endcsname{\pgfqpoint{-\externalradius}{\externalradius}}% }% \anchor{before head}{% \getsinglearrowpoints% \pgfmathrotatepointaround{\beforearrowheadanchor}{\centerpoint}{\rotate}% }% \anchor{before tip}{% \getsinglearrowpoints% \pgfmathrotatepointaround{\beforearrowtipanchor}{\centerpoint}{\rotate}% }% \anchor{tip}{% \getsinglearrowpoints% \pgfmathrotatepointaround{\arrowtipanchor}{\centerpoint}{\rotate}% }% \anchor{after tip}{% \getsinglearrowpoints% \pgfmathrotatepointaround{% \pgfpointadd{% \pgfpointdiff{\centerpoint}{\beforearrowtipanchor}% \pgf@y-\pgf@y% }{\centerpoint}}% {\centerpoint}{\rotate}% }% \anchor{after head}{% \getsinglearrowpoints% \pgfmathrotatepointaround{% \pgfpointadd{% \pgfpointdiff{\centerpoint}{\beforearrowheadanchor}% \pgf@y-\pgf@y% }{\centerpoint}}% {\centerpoint}{\rotate}% }% \anchor{before tail}{% \getsinglearrowpoints% \pgfmathrotatepointaround{% \pgfpointadd{% \pgfpointdiff{\centerpoint}{\afterarrowtailanchor}% \pgf@y-\pgf@y% }{\centerpoint}}% {\centerpoint}{\rotate}% }% \anchor{after tail}{% \getsinglearrowpoints% \pgfmathrotatepointaround{\afterarrowtailanchor}{\centerpoint}{\rotate}% }% \anchor{tail}{% \getsinglearrowpoints% \pgfpointlineattime{0.5}{% \pgfmathrotatepointaround{\afterarrowtailanchor}{\centerpoint}{\rotate}% }% {% \pgfmathrotatepointaround{% \pgfpointadd{% \pgfpointdiff{\centerpoint}{\afterarrowtailanchor}% \pgf@y-\pgf@y% }{\centerpoint}}% {\centerpoint}{\rotate}% }% }% \backgroundpath{% {% \pgftransformshift{\centerpoint}% \pgftransformrotate{\rotate}% \pgfpathmoveto{\arrowtip}% \pgfpathlineto{\beforearrowtip}% \pgfpathlineto{\beforearrowhead}% \pgfpathlineto{\afterarrowtail}% \pgfpathlineto{\afterarrowtail\pgf@y-\pgf@y}% \pgfpathlineto{\beforearrowhead\pgf@y-\pgf@y}% \pgfpathlineto{\beforearrowtip\pgf@y-\pgf@y}% }% \pgfpathclose% }% \anchorborder{% \pgfsavepgf@process\externalpoint{}% \getsinglearrowpoints% \pgfutil@ifundefined{pgf@singlearrow@referencepoint}{\let\referencepoint\centerpoint}% {\let\referencepoint\pgf@singlearrow@referencepoint}% \pgfsavepgf@process\externalpoint{% \externalpoint% \pgf@xa\pgf@x% \pgf@ya\pgf@y% \referencepoint% \advance\pgf@x\pgf@xa% \advance\pgf@y\pgf@ya}% \pgfmathanglebetweenpoints{\centerpoint}{\externalpoint}% \pgfmathsubtract@{\pgfmathresult}{\rotate}% \ifdim\pgfmathresult pt<0pt\relax% \pgfmathadd@{\pgfmathresult}{360}% \fi% \let\externalangle\pgfmathresult% \pgf@x\externalangle pt\relax% \ifx\referencepoint\midpoint% \pgf@xa\mid@angle@beforearrowtip pt\relax% \pgf@xb\mid@angle@beforearrowhead pt\relax% \pgf@xc\mid@angle@afterarrowtail pt\relax% \else% \ifx\referencepoint\basepoint% \pgf@xa\base@angle@beforearrowtip pt\relax% \pgf@xb\base@angle@beforearrowhead pt\relax% \pgf@xc\base@angle@afterarrowtail pt\relax% \else% \pgf@xa\center@angle@beforearrowtip pt\relax% \pgf@xb\center@angle@beforearrowhead pt\relax% \pgf@xc\center@angle@afterarrowtail pt\relax% \fi% \fi% \ifdim\pgf@x<\pgf@xa% \let\firstpoint\arrowtipanchor% \let\secondpoint\beforearrowtipanchor% \else% \ifdim\pgf@x<\pgf@xb% \ifdim\pgf@xb<\pgf@xa% \let\firstpoint\arrowtipanchor% \let\secondpoint\beforearrowtipanchor% \else% \let\firstpoint\beforearrowheadanchor% \let\secondpoint\beforearrowtipanchor% \fi% \else% \ifdim\pgf@x<\pgf@xc% \let\firstpoint\beforearrowheadanchor% \let\secondpoint\afterarrowtailanchor% \else% \pgf@xc-\pgf@xc% \advance\pgf@xc360pt\relax% \ifdim\pgf@x<\pgf@xc% \let\firstpoint\afterarrowtailanchor% \pgfsavepgf@process\secondpoint{% \pgfpointadd{% \pgfpointdiff{\centerpoint}{\afterarrowtailanchor}% \pgf@y-\pgf@y% }{\centerpoint}% }% \else% \pgf@xa-\pgf@xa% \advance\pgf@xa360pt\relax% \pgf@xb-\pgf@xb% \advance\pgf@xb360pt\relax% \ifdim\pgf@x<\pgf@xa% \ifdim\pgf@x<\pgf@xb% \pgfsavepgf@process\firstpoint{% \pgfpointadd{% \pgfpointdiff{\centerpoint}{\afterarrowtailanchor}% \pgf@y-\pgf@y% }{\centerpoint}% }% \pgfsavepgf@process\secondpoint{% \pgfpointadd{% \pgfpointdiff{\centerpoint}{\beforearrowheadanchor}% \pgf@y-\pgf@y% }{\centerpoint}% }% \else% \ifdim\pgf@xb<\pgf@xa% \pgfsavepgf@process\firstpoint{% \pgfpointadd{% \pgfpointdiff{\centerpoint}{\beforearrowheadanchor}% \pgf@y-\pgf@y% }{\centerpoint}% }% \else% \pgfsavepgf@process\firstpoint{% \pgfpointadd{% \pgfpointdiff{\centerpoint}{\arrowtipanchor}% \pgf@y-\pgf@y% }{\centerpoint}% }% \fi% \pgfsavepgf@process\secondpoint{% \pgfpointadd{% \pgfpointdiff{\centerpoint}{\beforearrowtipanchor}% \pgf@y-\pgf@y% }{\centerpoint}% }% \fi% \else% \pgfsavepgf@process\firstpoint{% \pgfpointadd{% \pgfpointdiff{\centerpoint}{\beforearrowtipanchor}% \pgf@y-\pgf@y% }{\centerpoint}% }% \let\secondpoint\arrowtipanchor% \fi% \fi% \fi% \fi% \fi% \pgfsavepgf@process\firstpoint{% \pgfmathrotatepointaround{\firstpoint}{\centerpoint}{\rotate}% }% \pgfsavepgf@process\secondpoint{% \pgfmathrotatepointaround{\secondpoint}{\centerpoint}{\rotate}% }% \pgfpointintersectionoflines{\referencepoint}{\externalpoint}% {\firstpoint}{\secondpoint}% }% }% % keys for shape double arrow % % /pgf/double arrow tip angle % /pgf/double arrow head sep \pgfkeys{/pgf/.cd, double arrow tip angle/.initial=90, double arrow head extend/.initial=.25cm, double arrow head indent/.initial=0cm, }% % Shape double arrow % % \pgfdeclareshape{double arrow}{% \savedmacro\getdoublearrowpoints{% % % Get the outer sep. % \pgfmathsetlength\pgf@x{\pgfkeysvalueof{/pgf/outer xsep}}% \edef\xoutersep{\the\pgf@x}% \pgfmathsetlength\pgf@y{\pgfkeysvalueof{/pgf/outer ysep}}% \edef\youtersep{\the\pgf@y}% % % Get the node dimensions. % \pgfmathsetlength\pgf@xa{\pgfkeysvalueof{/pgf/inner xsep}}% \advance\pgf@xa.5\wd\pgfnodeparttextbox% \advance\pgf@xa.5\pgflinewidth% \pgfmathsetlength\pgf@ya{\pgfkeysvalueof{/pgf/inner ysep}}% \advance\pgf@ya.5\ht\pgfnodeparttextbox% \advance\pgf@ya.5\dp\pgfnodeparttextbox% \advance\pgf@ya.5\pgflinewidth% \ifpgfshapeborderusesincircle% \ifdim\pgf@xa<\pgf@ya% \pgf@xa\pgf@ya% \fi% \pgf@xa1.41421\pgf@xa% \pgf@ya\pgf@xa% \pgfmathsetmacro\rotate{\pgfkeysvalueof{/pgf/shape border rotate}}% \ifdim\xoutersep>\youtersep\relax% \let\youtersep\xoutersep% \else% \let\xoutersep\youtersep% \fi% \else% % % Round the rotation. % \pgfmathsetmacro\rotate{\pgfkeysvalueof{/pgf/shape border rotate}} \pgfmathmod@{\rotate}{360}% \afterassignment\pgfmath@gobbletilpgfmath@% \expandafter\c@pgf@counta\pgfmathresult\relax\pgfmath@% \advance\c@pgf@counta45\relax% \divide\c@pgf@counta90\relax% \multiply\c@pgf@counta90\relax% \ifnum\c@pgf@counta<0\relax% \advance\c@pgf@counta360\relax% \fi% \edef\rotate{\the\c@pgf@counta}% % % Calculate the width and height of the node % contents, according to any border rotation. % \ifnum\c@pgf@counta=90\relax% \pgf@x\pgf@xa% \pgf@xa\pgf@ya% \pgf@ya\pgf@x% \let\pgfmathresult\xoutersep% \let\xoutersep\youtersep% \let\youtersep\pgfmathresult% \else% \ifnum\c@pgf@counta=270\relax% \pgf@x\pgf@xa% \pgf@xa\pgf@ya% \pgf@ya\pgf@x% \let\pgfmathresult\xoutersep% \let\xoutersep\youtersep% \let\youtersep\pgfmathresult% \fi% \fi% \fi% \addtosavedmacro\rotate% % % Get some useful trig stuff. % \pgfmathdivide{\pgfkeysvalueof{/pgf/double arrow tip angle}}{2}% \let\halftipangle\pgfmathresult% \pgfmathcosec@{\halftipangle}% \let\cosechalftipangle\pgfmathresult% \pgfmathcos@{\halftipangle}% \pgfutil@tempdima\pgfmathresult pt\relax% \pgfutil@tempdima\cosechalftipangle\pgfutil@tempdima% \edef\cothalftipangle{\pgfmath@tonumber{\pgfutil@tempdima}}% \pgfmathreciprocal@{\pgfmathresult}% \let\sechalftipangle\pgfmathresult% \pgfmathsin@{\halftipangle}% \pgfutil@tempdima\pgfmathresult pt\relax% \pgfutil@tempdima\sechalftipangle\pgfutil@tempdima% \edef\tanhalftipangle{\pgfmath@tonumber{\pgfutil@tempdima}}% % % Get the double arrow head extend, and adjust for minimum width. % \pgf@xb\pgf@ya% \pgf@xb\cothalftipangle\pgf@xb% \pgfmathsetlength\pgf@xc{\pgfkeysvalueof{/pgf/double arrow head extend}}% \pgf@yc\pgf@xc% \advance\pgf@xc\pgf@ya% \pgfmathsetlength\pgfutil@tempdimb{\pgfkeysvalueof{/pgf/minimum width}}% \ifdim\pgf@xc<.5\pgfutil@tempdimb% \pgfutil@tempdimb.5\pgfutil@tempdimb% \pgfmathdivide@{\pgfmath@tonumber{\pgfutil@tempdimb}}{\pgfmath@tonumber{\pgf@xc}}% \pgf@ya\pgfmathresult\pgf@ya% \pgf@xc\pgfmathresult\pgf@xc% \pgf@yc\pgfmathresult\pgf@yc% \pgf@xb\pgfmathresult\pgf@xb% \fi% % % Now calculate the height of the arrow and adjust for minimum height. % \advance\pgf@xc-\pgf@ya% \pgf@xc\cothalftipangle\pgf@xc% \advance\pgf@xa\pgf@xb% \pgf@xa2.0\pgf@xa% \pgfmathsetlength\pgfutil@tempdimb{\pgfkeysvalueof{/pgf/minimum height}}% \ifdim\pgf@xa<\pgfutil@tempdimb% \pgf@xa\pgfutil@tempdimb% \fi% \pgf@xa.5\pgf@xa% \advance\pgf@xa-\pgf@xb% \pgfmathsetlength\pgfutil@tempdima{\pgfkeysvalueof{/pgf/double arrow head indent}}% % % Now: % % xa - .5 * width of the node minus xb. % ya - .5 * height of the node contents. % xb - distance from the end of the node contents to the arrow tip. % xc - distance from the end of the node contents to the back end of the arrow head. % yc - distance from the top of the node contents to the top end of the arrow head. % \pgfsavepgf@process\centerpoint{% \pgf@x.5\wd\pgfnodeparttextbox% \pgf@y.5\ht\pgfnodeparttextbox% \advance\pgf@y-.5\dp\pgfnodeparttextbox% }% \pgfsavepgf@process\basepoint{% \pgf@x.5\wd\pgfnodeparttextbox% \pgf@y0pt% }% \pgfsavepgf@process\midpoint{% \pgf@x.5\wd\pgfnodeparttextbox% \pgfmathsetlength\pgf@y{+.5ex}% }% % % As the arrow is symmetrical it can be described by only 3 points: % \pgfsavepgf@process\arrowtip{% \pgf@x\pgf@xa% \advance\pgf@x\pgf@xb% \pgf@y0pt\relax% }% \pgfsavepgf@process\beforearrowtip{% \pgf@x\pgf@xa% \advance\pgf@x-\pgf@xc% \pgf@y\pgf@ya% \advance\pgf@y\pgf@yc% }% \pgfsavepgf@process\beforearrowhead{% \pgf@x\pgf@xa% \advance\pgf@x-\pgf@xc% \advance\pgf@x\pgfutil@tempdima% \pgf@y\pgf@ya% }% % % Calculate the anchor point at the arrow tip. % \pgfsavepgf@process\arrowtipanchor{% \pgfpointadd{\centerpoint}{\arrowtip}% \pgf@xa\xoutersep\relax% \advance\pgf@x\cosechalftipangle\pgf@xa% }% \advance\pgf@x.5\wd\pgfnodeparttextbox% \edef\externalradius{\the\pgf@x}% \addtosavedmacro\externalradius% % % \pgfmathanglebetweenlines{\beforearrowtip}{\beforearrowhead}{\beforearrowtip}{\arrowtip}% \pgf@xa\xoutersep\relax% \pgfutil@tempdima\pgfmathresult pt\relax% \pgfutil@tempdima.5\pgfutil@tempdima% \pgfmathcosec@{\pgfmath@tonumber{\pgfutil@tempdima}}% \pgf@xa\pgfmathresult\pgf@xa% \pgfutil@tempdima-\pgfutil@tempdima% \advance\pgfutil@tempdima180pt\relax% \advance\pgfutil@tempdima-\halftipangle pt\relax% \pgfsavepgf@process\beforearrowtipanchor{% \pgfqpointpolar{\pgfmath@tonumber{\pgfutil@tempdima}}{\the\pgf@xa}% \pgf@xb\pgf@x% \pgf@yb\pgf@y% \pgf@process{\pgfpointadd{\centerpoint}{\beforearrowtip}}% \advance\pgf@x\pgf@xb% \advance\pgf@y\pgf@yb% }% \pgfmathanglebetweenpoints{\beforearrowhead}{\beforearrowtip}% \pgfutil@tempdima-\pgfmathresult pt\relax% \advance\pgfutil@tempdima180pt\relax% \pgfutil@tempdima.5\pgfutil@tempdima% \pgfmathcosec@{\pgfmath@tonumber{\pgfutil@tempdima}}% \pgf@xa\xoutersep\relax% \pgf@xa\pgfmathresult\pgf@xa% \pgfutil@tempdima-\pgfutil@tempdima% \advance\pgfutil@tempdima180pt\relax% \pgfsavepgf@process\beforearrowheadanchor{% \pgfqpointpolar{\pgfmath@tonumber{\pgfutil@tempdima}}{\the\pgf@xa}% \pgf@xb\pgf@x% \pgf@yb\pgf@y% \pgf@process{\pgfpointadd{\centerpoint}{\beforearrowhead}}% \advance\pgf@x\pgf@xb% \advance\pgf@y\pgf@yb% }% % \pgfmathanglebetweenpoints{\centerpoint}{\beforearrowtipanchor}% \let\center@angle@beforearrowtip\pgfmathresult% \addtosavedmacro\center@angle@beforearrowtip% % \pgfmathanglebetweenpoints{\midpoint}{\beforearrowtipanchor}% \let\mid@angle@beforearrowtip\pgfmathresult% \addtosavedmacro\mid@angle@beforearrowtip% % \pgfmathanglebetweenpoints{\basepoint}{\beforearrowtipanchor}% \let\base@angle@beforearrowtip\pgfmathresult% \addtosavedmacro\base@angle@beforearrowtip% % \addtosavedmacro\arrowtipanchor% \addtosavedmacro\beforearrowtipanchor% \addtosavedmacro\beforearrowheadanchor% }% \savedanchor\centerpoint{% \pgf@x.5\wd\pgfnodeparttextbox% \pgf@y.5\ht\pgfnodeparttextbox% \advance\pgf@y-.5\dp\pgfnodeparttextbox% }% \savedanchor\midpoint{% \pgf@x.5\wd\pgfnodeparttextbox% \pgfmathsetlength\pgf@y{+0.5ex}% }% \savedanchor\basepoint{% \pgf@x.5\wd\pgfnodeparttextbox% \pgf@y0pt% }% \anchor{center}{\centerpoint}% \anchor{mid}{\midpoint}% \anchor{mid east}{% \getdoublearrowpoints% \let\pgf@singlearrow@referencepoint\midpoint% \csname pgf@anchor@double arrow@border\endcsname{\pgfqpoint{\externalradius}{0pt}}% }% \anchor{mid west}{% \getdoublearrowpoints% \let\pgf@singlearrow@referencepoint\midpoint% \csname pgf@anchor@double arrow@border\endcsname{\pgfqpoint{-\externalradius}{0pt}}% }% \anchor{base}{\basepoint}% \anchor{base east}{% \getdoublearrowpoints% \let\pgf@singlearrow@referencepoint\basepoint% \csname pgf@anchor@double arrow@border\endcsname{\pgfqpoint{\externalradius}{0pt}}% }% \anchor{base west}{% \getdoublearrowpoints% \let\pgf@singlearrow@referencepoint\basepoint% \csname pgf@anchor@double arrow@border\endcsname{\pgfqpoint{-\externalradius}{0pt}}% }% \anchor{north}{% \getdoublearrowpoints% \csname pgf@anchor@double arrow@border\endcsname{\pgfqpoint{0pt}{\externalradius}}% }% \anchor{south}{% \getdoublearrowpoints% \csname pgf@anchor@double arrow@border\endcsname{\pgfqpoint{0pt}{-\externalradius}}% }% \anchor{east}{% \getdoublearrowpoints% \csname pgf@anchor@double arrow@border\endcsname{\pgfqpoint{\externalradius}{0pt}}% }% \anchor{west}{% \getdoublearrowpoints% \csname pgf@anchor@double arrow@border\endcsname{\pgfqpoint{-\externalradius}{0pt}}% }% \anchor{north east}{% \getdoublearrowpoints% \csname pgf@anchor@double arrow@border\endcsname{\pgfqpoint{\externalradius}{\externalradius}}% }% \anchor{south east}{% \getdoublearrowpoints% \csname pgf@anchor@double arrow@border\endcsname{\pgfqpoint{\externalradius}{-\externalradius}}% }% \anchor{south west}{% \getdoublearrowpoints% \csname pgf@anchor@double arrow@border\endcsname{\pgfqpoint{-\externalradius}{-\externalradius}}% }% \anchor{north west}{% \getdoublearrowpoints% \csname pgf@anchor@double arrow@border\endcsname{\pgfqpoint{-\externalradius}{\externalradius}}% }% \anchor{before head 1}{% \getdoublearrowpoints% \pgfmathrotatepointaround{\beforearrowheadanchor}{\centerpoint}{\rotate}% }% \anchor{before tip 1}{% \getdoublearrowpoints% \pgfmathrotatepointaround{\beforearrowtipanchor}{\centerpoint}{\rotate}% }% \anchor{tip 1}{% \getdoublearrowpoints% \pgfmathrotatepointaround{\arrowtipanchor}{\centerpoint}{\rotate}% }% \anchor{after tip 1}{% \getdoublearrowpoints% \pgfmathrotatepointaround{% \pgfpointadd{% \pgfpointdiff{\centerpoint}{\beforearrowtipanchor}% \pgf@y-\pgf@y% }{\centerpoint}}% {\centerpoint}{\rotate}% }% \anchor{after head 1}{% \getdoublearrowpoints% \pgfmathrotatepointaround{% \pgfpointadd{% \pgfpointdiff{\centerpoint}{\beforearrowheadanchor}% \pgf@y-\pgf@y% }{\centerpoint}}% {\centerpoint}{\rotate}% }% \anchor{before head 2}{% \getdoublearrowpoints% \pgfmathrotatepointaround{% \pgfpointadd{% \pgfpointdiff{\centerpoint}{\beforearrowheadanchor}% \pgf@x-\pgf@x% \pgf@y-\pgf@y% }{\centerpoint}}% {\centerpoint}{\rotate}% }% \anchor{before tip 2}{% \getdoublearrowpoints% \pgfmathrotatepointaround{% \pgfpointadd{% \pgfpointdiff{\centerpoint}{\beforearrowtipanchor}% \pgf@x-\pgf@x% \pgf@y-\pgf@y% }{\centerpoint}}% {\centerpoint}{\rotate}% }% \anchor{tip 2}{% \getdoublearrowpoints% \pgfmathrotatepointaround{% \pgfpointadd{% \pgfpointdiff{\centerpoint}{\arrowtipanchor}% \pgf@x-\pgf@x% }{\centerpoint}}% {\centerpoint}{\rotate}% }% \anchor{after tip 2}{% \getdoublearrowpoints% \pgfmathrotatepointaround{% \pgfpointadd{% \pgfpointdiff{\centerpoint}{\beforearrowtipanchor}% \pgf@x-\pgf@x% }{\centerpoint}}% {\centerpoint}{\rotate}% }% \anchor{after head 2}{% \getdoublearrowpoints% \pgfmathrotatepointaround{% \pgfpointadd{% \pgfpointdiff{\centerpoint}{\beforearrowheadanchor}% \pgf@x-\pgf@x% }{\centerpoint}}% {\centerpoint}{\rotate}% }% \backgroundpath{% {% \pgftransformshift{\centerpoint}% \pgftransformrotate{\rotate}% \pgfpathmoveto{\arrowtip}% \pgfpathlineto{\beforearrowtip}% \pgfpathlineto{\beforearrowhead}% \pgfpathlineto{\beforearrowhead\pgf@x-\pgf@x}% \pgfpathlineto{\beforearrowtip\pgf@x-\pgf@x}% \pgfpathlineto{\arrowtip\pgf@x-\pgf@x}% \pgfpathlineto{\beforearrowtip\pgf@x-\pgf@x\pgf@y-\pgf@y}% \pgfpathlineto{\beforearrowhead\pgf@x-\pgf@x\pgf@y-\pgf@y}% \pgfpathlineto{\beforearrowhead\pgf@y-\pgf@y}% \pgfpathlineto{\beforearrowtip\pgf@y-\pgf@y}% }% \pgfpathclose% }% \anchorborder{% \pgfsavepgf@process\externalpoint{}% \getdoublearrowpoints% \pgfutil@ifundefined{pgf@singlearrow@referencepoint}{\let\referencepoint\centerpoint}% {\let\referencepoint\pgf@singlearrow@referencepoint}% \pgfsavepgf@process\externalpoint{% \externalpoint% \pgf@xa\pgf@x% \pgf@ya\pgf@y% \referencepoint% \advance\pgf@x\pgf@xa% \advance\pgf@y\pgf@ya}% \pgfmathanglebetweenpoints{\centerpoint}{\externalpoint}% \pgfmathsubtract@{\pgfmathresult}{\rotate}% \ifdim\pgfmathresult pt<0pt\relax% \pgfmathadd@{\pgfmathresult}{360}% \fi% \let\externalangle\pgfmathresult% \pgf@x\externalangle pt\relax% \ifx\referencepoint\midpoint% \pgf@xa\mid@angle@beforearrowtip pt\relax% \else% \ifx\referencepoint\basepoint% \pgf@xa\base@angle@beforearrowtip pt\relax% \else% \pgf@xa\center@angle@beforearrowtip pt\relax% \fi% \fi% \ifdim\pgf@x<180pt\relax% \ifdim\pgf@x<\pgf@xa% \let\firstpoint\arrowtipanchor% \let\secondpoint\beforearrowtipanchor% \else% \pgf@xa-\pgf@xa% \advance\pgf@xa180pt\relax% \ifdim\pgf@x<\pgf@xa% \let\firstpoint\beforearrowheadanchor% \pgfsavepgf@process\secondpoint{% \pgfpointadd{% \pgfpointdiff{\centerpoint}{\beforearrowheadanchor}% \pgf@x-\pgf@x }{\centerpoint}}% \else% \pgfsavepgf@process\firstpoint{% \pgfpointadd{% \pgfpointdiff{\centerpoint}{\beforearrowtipanchor}% \pgf@x-\pgf@x }{\centerpoint}}% \pgfsavepgf@process\secondpoint{% \pgfpointadd{% \pgfpointdiff{\centerpoint}{\arrowtipanchor}% \pgf@x-\pgf@x% \pgf@y-\pgf@y% }{\centerpoint}}% \fi% \fi% \else% \pgf@xa-\pgf@xa% \advance\pgf@xa360pt\relax% \ifdim\pgf@x<\pgf@xa% \pgf@xa-\pgf@xa% \advance\pgf@xa540pt\relax% \ifdim\pgf@x<\pgf@xa% \pgfsavepgf@process\firstpoint{% \pgfpointadd{% \pgfpointdiff{\centerpoint}{\arrowtipanchor}% \pgf@x-\pgf@x% }{\centerpoint}}% \pgfsavepgf@process\secondpoint{% \pgfpointadd{% \pgfpointdiff{\centerpoint}{\beforearrowtipanchor}% \pgf@x-\pgf@x% \pgf@y-\pgf@y% }{\centerpoint}}% \else% \pgfsavepgf@process\firstpoint{% \pgfpointadd{% \pgfpointdiff{\centerpoint}{\beforearrowheadanchor}% \pgf@x-\pgf@x% \pgf@y-\pgf@y% }{\centerpoint}}% \pgfsavepgf@process\secondpoint{% \pgfpointadd{% \pgfpointdiff{\centerpoint}{\beforearrowheadanchor}% \pgf@y-\pgf@y% }{\centerpoint}}% \fi% \else% \pgfsavepgf@process\firstpoint{% \pgfpointadd{% \pgfpointdiff{\beforearrowtipanchor}{\centerpoint}% \pgf@x-\pgf@x% }{\centerpoint}}% \let\secondpoint\arrowtipanchor% \fi% \fi% \pgfsavepgf@process\firstpoint{% \pgfmathrotatepointaround{\firstpoint}{\centerpoint}{\rotate}% }% \pgfsavepgf@process\secondpoint{% \pgfmathrotatepointaround{\secondpoint}{\centerpoint}{\rotate}% }% \pgfpointintersectionoflines{\referencepoint}{\externalpoint}% {\firstpoint}{\secondpoint}% }% }% % % Internal macros for the arrow box/shape. % \def\pgf@lib@arrowbox@parsearrowlength#1#2#3{% \edef\pgf@lib@temp{#3}% \edef\pgf@lib@marshal{% \noexpand\pgfutil@in@{none}{\pgf@lib@temp}% }% \pgf@lib@marshal% \ifpgfutil@in@% #10pt\relax% \else% \afterassignment\pgfmath@gobbletilpgfmath@% \expandafter#1\pgf@lib@temp\relax\pgfmath@% % \edef\pgf@lib@marshal{% \noexpand\pgfutil@in@{from center}{\pgf@lib@temp}% }% \pgf@lib@marshal% \ifpgfutil@in@% \else% \ifdim#1>0pt\relax% \advance#1#2\relax% \fi% \fi% \fi}% \def\pgf@lib@arrowbox@parsearrows#1{% \pgfkeys{/pgf/.cd,% arrow box west arrow=0pt, arrow box east arrow=0pt, arrow box south arrow=0pt, arrow box north arrow=0pt }% \def\pgf@lib@arrowbox@extend{0pt}% \edef\pgf@lib@temp{#1}% \expandafter\pgf@lib@arrowbox@@parsearrows\pgf@lib@temp,\pgf@lib@arrowbox@parsearrows, }% \def\pgf@lib@arrowbox@@parsearrows#1,{% \ifx\pgf@lib@arrowbox@parsearrows#1% \let\pgflib@next\relax% \else% \pgfutil@in@:{#1}% \ifpgfutil@in@% \pgf@lib@arrowbox@getextend#1\pgf@lib% \else% \def\pgf@lib@arrowbox@direction{#1}% \fi% \edef\pgf@marshal{% \noexpand\pgfkeys{/pgf/arrow box \pgf@lib@arrowbox@direction\space arrow=\pgf@lib@arrowbox@extend}% }% \pgf@marshal% \let\pgflib@next\pgf@lib@arrowbox@@@parsearrows% \fi% \pgflib@next% }% \def\pgf@lib@arrowbox@@@parsearrows{% \pgfutil@ifnextchar x{\relax\pgf@lib@arrowbox@@parsearrows}{\relax\pgf@lib@arrowbox@@parsearrows}% }% \def\pgf@lib@arrowbox@getextend#1:#2\pgf@lib{% \def\pgf@lib@arrowbox@direction{#1}% \def\pgf@lib@arrowbox@extend{#2}% }% % % /pgf/arrow box north arrow % /pgf/arrow box south arrow % /pgf/arrow box west arrow % /pgf/arrow box east arrow % /pgf/arrow box arrows % /pgf/arrow box shaft width % /pgf/arrow box head extend % /pgf/arrow box head indent % /pgf/arrow box tip angle % \pgfkeys{/pgf/.cd, arrow box west arrow/.initial=.5cm, arrow box east arrow/.initial=.5cm, arrow box south arrow/.initial=.5cm, arrow box north arrow/.initial=.5cm, arrow box shaft width/.initial=.125cm, arrow box head extend/.initial=.125cm, arrow box head indent/.initial=0cm, arrow box tip angle/.initial=90, }% % % arrow box/Shape. % \pgfdeclareshape{arrow box}{% \saveddimen\shaftwidth{% \pgfmathsetlength\pgf@x{\pgfkeysvalueof{/pgf/arrow box shaft width}}% }% % % Calculate far the arrows extend from the center of the node. % \savedmacro\arrowboxpoints{% \pgfmathsetlength\pgf@x{\pgfkeysvalueof{/pgf/inner xsep}}% \advance\pgf@x.5\wd\pgfnodeparttextbox% \pgfmathsetlength\pgf@xa{\pgfkeysvalueof{/pgf/minimum width}}% \ifdim\pgf@x<.5\pgf@xa% \pgf@x.5\pgf@xa% \fi% \pgfmathaddtolength\pgf@x{\pgfkeysvalueof{/pgf/outer xsep}}% % \pgfmathsetlength\pgf@y{\pgfkeysvalueof{/pgf/inner ysep}}% \advance\pgf@y.5\ht\pgfnodeparttextbox% \advance\pgf@y.5\dp\pgfnodeparttextbox% \pgfmathsetlength\pgf@ya{\pgfkeysvalueof{/pgf/minimum height}}% \ifdim\pgf@y<.5\pgf@ya% \pgf@y.5\pgf@ya% \fi% \pgfmathaddtolength\pgf@y{\pgfkeysvalueof{/pgf/outer ysep}}% % \edef\halfboxwidth{\the\pgf@x}% \edef\halfboxheight{\the\pgf@y}% \pgfextract@process\arrowboxcorner{}% \addtosavedmacro\arrowboxcorner% % \pgf@lib@arrowbox@parsearrowlength\pgf@x{\halfboxwidth}% {\pgfkeysvalueof{/pgf/arrow box west arrow}}% \edef\westextend{\the\pgf@x}% \addtosavedmacro\westextend% % \pgf@lib@arrowbox@parsearrowlength\pgf@x{\halfboxwidth}% {\pgfkeysvalueof{/pgf/arrow box east arrow}}% \edef\eastextend{\the\pgf@x}% \addtosavedmacro\eastextend% % \pgf@lib@arrowbox@parsearrowlength\pgf@x{\halfboxheight}% {\pgfkeysvalueof{/pgf/arrow box north arrow}}% \edef\northextend{\the\pgf@x}% \addtosavedmacro\northextend% % \pgf@lib@arrowbox@parsearrowlength\pgf@x{\halfboxheight}% {\pgfkeysvalueof{/pgf/arrow box south arrow}}% \edef\southextend{\the\pgf@x}% \addtosavedmacro\southextend% }% \saveddimen\arrowheadextend{% \pgfmathsetlength\pgf@x{\pgfkeysvalueof{/pgf/arrow box head extend}}% }% \saveddimen\arrowheadindent{% \pgfmathsetlength\pgf@x{\pgfkeysvalueof{/pgf/arrow box head indent}}% }% % % Calculate the `miter' angle for the outer sep at the arrow tip. % \savedmacro\arrowtipmiterangle{% \pgfmathparse{\pgfkeysvalueof{/pgf/arrow box tip angle}}% \pgfmathdivide@{\pgfmathresult}{2}% \let\arrowtipmiterangle\pgfmathresult% }% % % Calculate the `miter' angle for the outer sep at the point just % before the arrow tip. % \savedmacro\arrowheadangles{% % % Calculate the `miter' angle and its cosecant at the arrow tip... % \pgfmathparse{\pgfkeysvalueof{/pgf/arrow box tip angle}}% \pgfmathdivide@{\pgfmathresult}{2}% \let\arrowtipmiterangle\pgfmathresult% \addtosavedmacro\arrowtipmiterangle% \pgfmathcosec@{\arrowtipmiterangle}% \let\cosecarrowtipmiterangle\pgfmathresult% \addtosavedmacro\cosecarrowtipmiterangle% % % ...before the arrow head... % \pgfmathsetlength\pgf@x{\pgfkeysvalueof{/pgf/arrow box head extend}}% \pgfmathsetlength\pgf@y{\pgfkeysvalueof{/pgf/arrow box head indent}}% \ifdim\pgf@y=0pt\relax% \def\pgfmathresult{90}% \else% \ifdim\pgf@y<0pt\relax% \pgfmathdivide@{\pgfmath@tonumber{\pgf@x}}{\pgfmath@tonumber{\pgf@y}}% \pgfmathatan@{\pgfmathresult}% \pgfmathadd@{\pgfmathresult}{180}% \else% \pgfmathdivide@{\pgfmath@tonumber{\pgf@x}}{\pgfmath@tonumber{\pgf@y}}% \pgfmathatan@{\pgfmathresult}% \fi% \fi% \pgfmathdivide@{\pgfmathresult}{2}% \let\beforearrowheadmiterangle\pgfmathresult% \addtosavedmacro\beforearrowheadmiterangle% \pgfmathcosec@{\beforearrowheadmiterangle}% \let\cosecbeforearrowheadmiterangle\pgfmathresult% \addtosavedmacro\cosecbeforearrowheadmiterangle% % % ...and before the arrow tip. % \pgfutil@tempdima-\arrowtipmiterangle pt\relax% \advance\pgfutil@tempdima90pt\relax% \pgfutil@tempdimb\beforearrowheadmiterangle pt\relax% \pgfutil@tempdimb2.0\pgfutil@tempdimb% \advance\pgfutil@tempdimb-90pt\relax% \advance\pgfutil@tempdima\pgfutil@tempdimb% \divide\pgfutil@tempdima2\relax% \edef\beforearrowtipmiterangle{\pgfmath@tonumber{\pgfutil@tempdima}}% \addtosavedmacro\beforearrowtipmiterangle% \pgfmathcosec@{\beforearrowtipmiterangle}% \let\cosecbeforearrowtipmiterangle\pgfmathresult% \addtosavedmacro\cosecbeforearrowtipmiterangle% }% \saveddimen\outerxsep{% \pgfmathsetlength\pgf@x{\pgfkeysvalueof{/pgf/outer xsep}}% }% \saveddimen\outerysep{% \pgfmathsetlength\pgf@x{\pgfkeysvalueof{/pgf/outer ysep}}% }% % % Calculate the (path) point immediately prior to an arrow tip. % \savedanchor\beforearrowtip{% \pgfmathparse{\pgfkeysvalueof{/pgf/arrow box tip angle}}% \pgfmathdivide@{\pgfmathresult}{2}% \pgfmathcot@{\pgfmathresult}% \let\cothalfangle\pgfmathresult% \pgfmathsetlength\pgf@y{\pgfkeysvalueof{/pgf/arrow box shaft width}}% \pgf@y.5\pgf@y% \pgfmathaddtolength\pgf@y{\pgfkeysvalueof{/pgf/arrow box head extend}}% \pgf@y\pgf@y% \pgf@x\cothalfangle\pgf@y% }% \savedanchor\centerpoint{% \pgf@x.5\wd\pgfnodeparttextbox% \pgf@y.5\ht\pgfnodeparttextbox% \advance\pgf@y-.5\dp\pgfnodeparttextbox% }% \savedanchor\basepoint{% \pgf@x.5\wd\pgfnodeparttextbox% \pgf@y0pt\relax% }% \savedanchor\midpoint{% \pgf@x.5\wd\pgfnodeparttextbox% \pgfmathsetlength\pgf@y{+.5ex}% }% \anchor{center}{\centerpoint}% \anchor{mid}{\midpoint}% \anchor{mid east}{% \arrowboxpoints% \ifdim\eastextend>0pt\relax% \let\pgf@lib@shapes@arrowbox@referencepoint\midpoint% \csname pgf@anchor@arrow box@border\endcsname{\pgfqpoint{\eastextend}{0pt}}; \else% \arrowboxcorner% \pgf@xa\pgf@x% \midpoint% \advance\pgf@x\pgf@xa% \fi% }% \anchor{mid west}{% \arrowboxpoints% \ifdim\westextend>0pt\relax% \let\pgf@lib@shapes@arrowbox@referencepoint\midpoint% \csname pgf@anchor@arrow box@border\endcsname{\pgfqpoint{-\westextend}{0pt}}; \else% \arrowboxcorner% \pgf@xa\pgf@x% \midpoint% \advance\pgf@x-\pgf@xa% \fi% }% \anchor{base}{\basepoint}% \anchor{base east}{% \arrowboxpoints% \ifdim\eastextend>0pt\relax% \let\pgf@lib@shapes@arrowbox@referencepoint\basepoint% \csname pgf@anchor@arrow box@border\endcsname{\pgfqpoint{\eastextend}{0pt}}; \else% \arrowboxcorner% \pgf@xa\pgf@x% \basepoint% \advance\pgf@x\pgf@xa% \fi% }% \anchor{base west}{% \arrowboxpoints% \ifdim\westextend>0pt\relax% \let\pgf@lib@shapes@arrowbox@referencepoint\basepoint% \csname pgf@anchor@arrow box@border\endcsname{\pgfqpoint{-\westextend}{0pt}}; \else% \arrowboxcorner% \pgf@xa\pgf@x% \basepoint% \advance\pgf@x-\pgf@xa% \fi% }% \anchor{north}{% \arrowboxpoints% \ifdim\northextend>0pt\relax% \csname pgf@anchor@arrow box@north arrow tip\endcsname% \else% \pgfpointadd{\centerpoint}{\arrowboxcorner}% \pgf@ya\pgf@y% \centerpoint% \pgf@y\pgf@ya% \fi% }% \anchor{south}{% \arrowboxpoints% \ifdim\southextend>0pt\relax% \csname pgf@anchor@arrow box@south arrow tip\endcsname% \else% \pgfpointadd{\centerpoint}{\arrowboxcorner\pgf@y-\pgf@y}% \pgf@ya\pgf@y% \centerpoint% \pgf@y\pgf@ya% \fi% }% \anchor{east}{% \arrowboxpoints% \ifdim\eastextend>0pt\relax% \csname pgf@anchor@arrow box@east arrow tip\endcsname% \else% \pgfpointadd{\centerpoint}{\arrowboxcorner}% \pgf@xa\pgf@x% \centerpoint% \pgf@x\pgf@xa% \fi% }% \anchor{west}{% \arrowboxpoints% \ifdim\westextend>0pt\relax% \csname pgf@anchor@arrow box@west arrow tip\endcsname% \else% \pgfpointadd{\centerpoint}{\arrowboxcorner\pgf@x-\pgf@x}% \pgf@xa\pgf@x% \centerpoint% \pgf@x\pgf@xa% \fi% }% \anchor{north east}{% \arrowboxpoints% \pgfpointadd{\centerpoint}{\arrowboxcorner}% }% \anchor{north west}{% \arrowboxpoints% \pgfpointadd{\centerpoint}{\arrowboxcorner\pgf@x-\pgf@x}% }% \anchor{south west}{% \arrowboxpoints% \pgfpointadd{\centerpoint}{\arrowboxcorner\pgf@x-\pgf@x\pgf@y-\pgf@y}% }% \anchor{south east}{% \arrowboxpoints% \pgfpointadd{\centerpoint}{\arrowboxcorner\pgf@y-\pgf@y}% }% \anchor{before east arrow}{% \arrowboxpoints% \ifdim\eastextend>0pt\relax% \pgfpointadd{\centerpoint}{% \arrowboxcorner% \pgf@y\shaftwidth\relax% \pgf@y.5\pgf@y% \advance\pgf@y\outerysep\relax% }% \else% \csname pgf@anchor@arrow box@east\endcsname% \fi% }% \anchor{before east arrow head}{% \arrowboxpoints% \ifdim\eastextend>0pt\relax% \pgfpointadd{\centerpoint}{% \pgfpointadd{% \arrowheadangles% \pgfutil@tempdima-\beforearrowheadmiterangle pt\relax% \advance\pgfutil@tempdima180pt\relax% \pgfutil@tempdimb\outerxsep\relax% \pgfutil@tempdimb\cosecbeforearrowheadmiterangle\pgfutil@tempdimb% \pgfqpointpolar{\pgfmath@tonumber{\pgfutil@tempdima}}{\the\pgfutil@tempdimb}% }% {% \beforearrowtip% \pgf@x-\pgf@x% \advance\pgf@x\eastextend\relax% \advance\pgf@x\arrowheadindent\relax% \pgf@y\shaftwidth\relax% \pgf@y.5\pgf@y% }% }% \else% \csname pgf@anchor@arrow box@east\endcsname% \fi% }% \anchor{before east arrow tip}{% \arrowboxpoints% \ifdim\eastextend>0pt\relax% \pgfpointadd{\centerpoint}{% \pgfpointadd{% \arrowheadangles% \pgfutil@tempdima-\arrowtipmiterangle pt\relax% \advance\pgfutil@tempdima-\beforearrowtipmiterangle pt\relax% \advance\pgfutil@tempdima180pt\relax% \pgfutil@tempdimb\outerysep\relax% \pgfutil@tempdimb\cosecbeforearrowtipmiterangle\pgfutil@tempdimb% \pgfqpointpolar{\pgfmath@tonumber{\pgfutil@tempdima}}{\the\pgfutil@tempdimb}% }% {% \beforearrowtip% \pgf@x-\pgf@x% \advance\pgf@x\eastextend\relax% }% }% \else% \csname pgf@anchor@arrow box@east\endcsname% \fi% }% \anchor{east arrow tip}{% \arrowboxpoints% \ifdim\eastextend>0pt\relax% \centerpoint% \advance\pgf@x\eastextend\relax% \pgf@xa\outerxsep\relax% \pgfmathcosec@{\arrowtipmiterangle}% \advance\pgf@x\pgfmathresult\pgf@xa% \else% \csname pgf@anchor@arrow box@east\endcsname% \fi% }% \anchor{after east arrow tip}{% \arrowboxpoints% \ifdim\eastextend>0pt\relax% \pgfpointadd{\centerpoint}{% \pgfpointadd{% \arrowheadangles% \pgfutil@tempdima-\arrowtipmiterangle pt\relax% \advance\pgfutil@tempdima-\beforearrowtipmiterangle pt\relax% \advance\pgfutil@tempdima180pt\relax% \pgfutil@tempdimb\outerysep\relax% \pgfutil@tempdimb\cosecbeforearrowtipmiterangle\pgfutil@tempdimb% \pgfqpointpolar{\pgfmath@tonumber{\pgfutil@tempdima}}{\the\pgfutil@tempdimb}% }% {% \beforearrowtip% \pgf@x-\pgf@x% \advance\pgf@x\eastextend\relax% }% \pgf@y-\pgf@y% }% \else% \csname pgf@anchor@arrow box@east\endcsname% \fi% }% \anchor{after east arrow head}{% \arrowboxpoints% \ifdim\eastextend>0pt\relax% \pgfpointadd{\centerpoint}{% \pgfpointadd{% \arrowheadangles% \pgfutil@tempdima-\beforearrowheadmiterangle pt\relax% \advance\pgfutil@tempdima180pt\relax% \pgfutil@tempdimb\outerxsep\relax% \pgfutil@tempdimb\cosecbeforearrowheadmiterangle\pgfutil@tempdimb% \pgfqpointpolar{\pgfmath@tonumber{\pgfutil@tempdima}}{\the\pgfutil@tempdimb}% }% {% \beforearrowtip% \pgf@x-\pgf@x% \advance\pgf@x\eastextend\relax% \advance\pgf@x\arrowheadindent\relax% \pgf@y\shaftwidth\relax% \pgf@y.5\pgf@y% }% \pgf@y-\pgf@y% }% \else% \csname pgf@anchor@arrow box@east\endcsname% \fi% }% \anchor{after east arrow}{% \arrowboxpoints% \ifdim\eastextend>0pt\relax% \pgfpointadd{\centerpoint}{% \arrowboxcorner% \pgf@y\shaftwidth\relax% \pgf@y.5\pgf@y% \advance\pgf@y\outerysep\relax% \pgf@y-\pgf@y% }% \else% \csname pgf@anchor@arrow box@east\endcsname% \fi% }% % \anchor{before west arrow}{% \arrowboxpoints% \ifdim\westextend>0pt\relax% \pgfpointadd{\centerpoint}{% \arrowboxcorner% \pgf@x-\pgf@x% \pgf@y\shaftwidth\relax% \pgf@y.5\pgf@y% \advance\pgf@y\outerysep\relax% \pgf@y-\pgf@y% }% \else% \csname pgf@anchor@arrow box@west\endcsname% \fi% }% \anchor{before west arrow head}{% \arrowboxpoints% \ifdim\westextend>0pt\relax% \pgfpointadd{\centerpoint}{% \pgfpointadd{% \arrowheadangles% \pgfutil@tempdima-\beforearrowheadmiterangle pt\relax% \advance\pgfutil@tempdima180pt\relax% \pgfutil@tempdimb\outerxsep\relax% \pgfutil@tempdimb\cosecbeforearrowheadmiterangle\pgfutil@tempdimb% \pgfqpointpolar{\pgfmath@tonumber{\pgfutil@tempdima}}{\the\pgfutil@tempdimb}% }% {% \beforearrowtip% \pgf@x-\pgf@x% \advance\pgf@x\westextend\relax% \advance\pgf@x\arrowheadindent\relax% \pgf@y\shaftwidth\relax% \pgf@y.5\pgf@y% }% \pgf@x-\pgf@x% \pgf@y-\pgf@y% }% \else% \csname pgf@anchor@arrow box@west\endcsname% \fi% }% \anchor{before west arrow tip}{% \arrowboxpoints% \ifdim\westextend>0pt\relax% \pgfpointadd{\centerpoint}{% \pgfpointadd{% \arrowheadangles% \pgfutil@tempdima-\arrowtipmiterangle pt\relax% \advance\pgfutil@tempdima-\beforearrowtipmiterangle pt\relax% \advance\pgfutil@tempdima180pt\relax% \pgfutil@tempdimb\outerysep\relax% \pgfutil@tempdimb\cosecbeforearrowtipmiterangle\pgfutil@tempdimb% \pgfqpointpolar{\pgfmath@tonumber{\pgfutil@tempdima}}{\the\pgfutil@tempdimb}% }% {% \beforearrowtip% \pgf@x-\pgf@x% \advance\pgf@x\westextend\relax% }% \pgf@x-\pgf@x% \pgf@y-\pgf@y% }% \else% \csname pgf@anchor@arrow box@west\endcsname% \fi% }% \anchor{west arrow tip}{% \arrowboxpoints% \ifdim\westextend>0pt\relax% \centerpoint% \advance\pgf@x-\westextend\relax% \pgf@xa\outerxsep\relax% \pgfmathcosec@{\arrowtipmiterangle}% \advance\pgf@x-\pgfmathresult\pgf@xa% \else% \csname pgf@anchor@arrow box@west\endcsname% \fi% }% \anchor{after west arrow tip}{% \arrowboxpoints% \ifdim\westextend>0pt\relax% \pgfpointadd{\centerpoint}{% \pgfpointadd{% \arrowheadangles% \pgfutil@tempdima-\arrowtipmiterangle pt\relax% \advance\pgfutil@tempdima-\beforearrowtipmiterangle pt\relax% \advance\pgfutil@tempdima180pt\relax% \pgfutil@tempdimb\outerysep\relax% \pgfutil@tempdimb\cosecbeforearrowtipmiterangle\pgfutil@tempdimb% \pgfqpointpolar{\pgfmath@tonumber{\pgfutil@tempdima}}{\the\pgfutil@tempdimb}% }% {% \beforearrowtip% \pgf@x-\pgf@x% \advance\pgf@x\westextend\relax% }% \pgf@x-\pgf@x% }% \else% \csname pgf@anchor@arrow box@west\endcsname% \fi% }% \anchor{after west arrow head}{% \arrowboxpoints% \ifdim\westextend>0pt\relax% \pgfpointadd{\centerpoint}{% \pgfpointadd{% \arrowheadangles% \pgfutil@tempdima-\beforearrowheadmiterangle pt\relax% \advance\pgfutil@tempdima180pt\relax% \pgfutil@tempdimb\outerxsep\relax% \pgfutil@tempdimb\cosecbeforearrowheadmiterangle\pgfutil@tempdimb% \pgfqpointpolar{\pgfmath@tonumber{\pgfutil@tempdima}}{\the\pgfutil@tempdimb}% }% {% \beforearrowtip% \pgf@x-\pgf@x% \advance\pgf@x\westextend\relax% \advance\pgf@x\arrowheadindent\relax% \pgf@y\shaftwidth\relax% \pgf@y.5\pgf@y% }% \pgf@x-\pgf@x% }% \else% \csname pgf@anchor@arrow box@west\endcsname% \fi% }% \anchor{after west arrow}{% \arrowboxpoints% \ifdim\westextend>0pt\relax% \pgfpointadd{\centerpoint}{% \arrowboxcorner% \pgf@y\shaftwidth\relax% \pgf@y.5\pgf@y% \advance\pgf@y\outerysep\relax% \pgf@x-\pgf@x% }% \else% \csname pgf@anchor@arrow box@west\endcsname% \fi% }% % \anchor{before north arrow}{% \arrowboxpoints% \ifdim\northextend>0pt\relax% \pgfpointadd{\centerpoint}{% \arrowboxcorner% \pgf@x-\shaftwidth\relax% \pgf@x.5\pgf@x% \advance\pgf@x-\outerxsep\relax% }% \else% \csname pgf@anchor@arrow box@north\endcsname% \fi% }% \anchor{before north arrow head}{% \arrowboxpoints% \ifdim\northextend>0pt\relax% \pgfpointadd{\centerpoint}{% \pgfpointadd{% \arrowheadangles% \pgfutil@tempdima-\beforearrowheadmiterangle pt\relax% \advance\pgfutil@tempdima270pt\relax% \pgfutil@tempdimb\outerysep\relax% \pgfutil@tempdimb\cosecbeforearrowheadmiterangle\pgfutil@tempdimb% \pgfqpointpolar{\pgfmath@tonumber{\pgfutil@tempdima}}{\the\pgfutil@tempdimb}% }% {% \beforearrowtip% \pgf@y-\pgf@x% \advance\pgf@y\northextend\relax% \advance\pgf@y\arrowheadindent\relax% \pgf@x-\shaftwidth\relax% \pgf@x.5\pgf@x% }% }% \else% \csname pgf@anchor@arrow box@north\endcsname% \fi% }% \anchor{before north arrow tip}{% \arrowboxpoints% \ifdim\northextend>0pt\relax% \pgfpointadd{\centerpoint}{% \pgfpointadd{% \arrowheadangles% \pgfutil@tempdima\arrowtipmiterangle pt\relax% \advance\pgfutil@tempdima\beforearrowtipmiterangle pt\relax% \advance\pgfutil@tempdima-90pt\relax% \pgfutil@tempdimb\outerxsep\relax% \pgfutil@tempdimb\cosecbeforearrowtipmiterangle\pgfutil@tempdimb% \pgfqpointpolar{\pgfmath@tonumber{\pgfutil@tempdima}}{\the\pgfutil@tempdimb}% }% {% \beforearrowtip% \pgf@xa\pgf@x% \pgf@x\pgf@y% \pgf@y-\pgf@xa% \advance\pgf@y\northextend\relax% }% \pgf@x-\pgf@x% }% \else% \csname pgf@anchor@arrow box@north\endcsname% \fi% }% \anchor{north arrow tip}{% \arrowboxpoints% \ifdim\northextend>0pt\relax% \centerpoint% \advance\pgf@y\northextend\relax% \pgf@ya\outerysep\relax% \pgfmathcosec@{\arrowtipmiterangle}% \advance\pgf@y\pgfmathresult\pgf@ya% \else% \csname pgf@anchor@arrow box@north\endcsname% \fi% }% \anchor{after north arrow tip}{% \arrowboxpoints% \ifdim\northextend>0pt\relax% \pgfpointadd{\centerpoint}{% \pgfpointadd{% \arrowheadangles% \pgfutil@tempdima\arrowtipmiterangle pt\relax% \advance\pgfutil@tempdima\beforearrowtipmiterangle pt\relax% \advance\pgfutil@tempdima-90pt\relax% \pgfutil@tempdimb\outerxsep\relax% \pgfutil@tempdimb\cosecbeforearrowtipmiterangle\pgfutil@tempdimb% \pgfqpointpolar{\pgfmath@tonumber{\pgfutil@tempdima}}{\the\pgfutil@tempdimb}% }% {% \beforearrowtip% \pgf@xa\pgf@x% \pgf@x\pgf@y% \pgf@y-\pgf@xa% \advance\pgf@y\northextend\relax% }% }% \else% \csname pgf@anchor@arrow box@north\endcsname% \fi% }% \anchor{after north arrow head}{% \arrowboxpoints% \ifdim\northextend>0pt\relax% \pgfpointadd{\centerpoint}{% \pgfpointadd{% \arrowheadangles% \pgfutil@tempdima-\beforearrowheadmiterangle pt\relax% \advance\pgfutil@tempdima270pt\relax% \pgfutil@tempdimb\outerysep\relax% \pgfutil@tempdimb\cosecbeforearrowheadmiterangle\pgfutil@tempdimb% \pgfqpointpolar{\pgfmath@tonumber{\pgfutil@tempdima}}{\the\pgfutil@tempdimb}% }% {% \beforearrowtip% \pgf@y-\pgf@x% \advance\pgf@y\northextend\relax% \advance\pgf@y\arrowheadindent\relax% \pgf@x-\shaftwidth\relax% \pgf@x.5\pgf@x% }% \pgf@x-\pgf@x% }% \else% \csname pgf@anchor@arrow box@north\endcsname% \fi% }% \anchor{after north arrow}{% \arrowboxpoints% \ifdim\northextend>0pt\relax% \pgfpointadd{\centerpoint}{% \arrowboxcorner% \pgf@x\shaftwidth\relax% \pgf@x.5\pgf@x% \advance\pgf@x\outerxsep\relax% }% \else% \csname pgf@anchor@arrow box@north\endcsname% \fi% }% % \anchor{before south arrow}{% \arrowboxpoints% \ifdim\southextend>0pt\relax% \pgfpointadd{\centerpoint}{% \arrowboxcorner% \pgf@x\shaftwidth\relax% \pgf@x.5\pgf@x% \advance\pgf@x\outerxsep\relax% \pgf@y-\pgf@y% }% \else% \csname pgf@anchor@arrow box@south\endcsname% \fi% }% \anchor{before south arrow head}{% \arrowboxpoints% \ifdim\northextend>0pt\relax% \pgfpointadd{\centerpoint}{% \pgfpointadd{% \arrowheadangles% \pgfutil@tempdima-\beforearrowheadmiterangle pt\relax% \advance\pgfutil@tempdima270pt\relax% \pgfutil@tempdimb\outerysep\relax% \pgfutil@tempdimb\cosecbeforearrowheadmiterangle\pgfutil@tempdimb% \pgfqpointpolar{\pgfmath@tonumber{\pgfutil@tempdima}}{\the\pgfutil@tempdimb}% }% {% \beforearrowtip% \pgf@y-\pgf@x% \advance\pgf@y\northextend\relax% \advance\pgf@y\arrowheadindent\relax% \pgf@x-\shaftwidth\relax% \pgf@x.5\pgf@x% }% \pgf@x-\pgf@x% \pgf@y-\pgf@y% }% \else% \csname pgf@anchor@arrow box@south\endcsname% \fi% }% \anchor{before south arrow tip}{% \arrowboxpoints% \ifdim\northextend>0pt\relax% \pgfpointadd{\centerpoint}{% \pgfpointadd{% \arrowheadangles% \pgfutil@tempdima\arrowtipmiterangle pt\relax% \advance\pgfutil@tempdima\beforearrowtipmiterangle pt\relax% \advance\pgfutil@tempdima-90pt\relax% \pgfutil@tempdimb\outerxsep\relax% \pgfutil@tempdimb\cosecbeforearrowtipmiterangle\pgfutil@tempdimb% \pgfqpointpolar{\pgfmath@tonumber{\pgfutil@tempdima}}{\the\pgfutil@tempdimb}% }% {% \beforearrowtip% \pgf@xa\pgf@x% \pgf@x\pgf@y% \pgf@y-\pgf@xa% \advance\pgf@y\northextend\relax% }% \pgf@y-\pgf@y% }% \else% \csname pgf@anchor@arrow box@south\endcsname% \fi% }% \anchor{south arrow tip}{% \arrowboxpoints% \ifdim\southextend>0pt\relax% \centerpoint% \advance\pgf@y-\southextend\relax% \pgf@ya\outerysep\relax% \pgfmathcosec@{\arrowtipmiterangle}% \advance\pgf@y-\pgfmathresult\pgf@ya% \else% \csname pgf@anchor@arrow box@east\endcsname% \fi% }% \anchor{after south arrow tip}{% \arrowboxpoints% \ifdim\northextend>0pt\relax% \pgfpointadd{\centerpoint}{% \pgfpointadd{% \arrowheadangles% \pgfutil@tempdima\arrowtipmiterangle pt\relax% \advance\pgfutil@tempdima\beforearrowtipmiterangle pt\relax% \advance\pgfutil@tempdima-90pt\relax% \pgfutil@tempdimb\outerxsep\relax% \pgfutil@tempdimb\cosecbeforearrowtipmiterangle\pgfutil@tempdimb% \pgfqpointpolar{\pgfmath@tonumber{\pgfutil@tempdima}}{\the\pgfutil@tempdimb}% }% {% \beforearrowtip% \pgf@xa\pgf@x% \pgf@x\pgf@y% \pgf@y-\pgf@xa% \advance\pgf@y\northextend\relax% }% \pgf@x-\pgf@x% \pgf@y-\pgf@y% }% \else% \csname pgf@anchor@arrow box@south\endcsname% \fi% }% \anchor{after south arrow head}{% \arrowboxpoints% \ifdim\northextend>0pt\relax% \pgfpointadd{\centerpoint}{% \pgfpointadd{% \arrowheadangles% \pgfutil@tempdima-\beforearrowheadmiterangle pt\relax% \advance\pgfutil@tempdima270pt\relax% \pgfutil@tempdimb\outerysep\relax% \pgfutil@tempdimb\cosecbeforearrowheadmiterangle\pgfutil@tempdimb% \pgfqpointpolar{\pgfmath@tonumber{\pgfutil@tempdima}}{\the\pgfutil@tempdimb}% }% {% \beforearrowtip% \pgf@y-\pgf@x% \advance\pgf@y\northextend\relax% \advance\pgf@y\arrowheadindent\relax% \pgf@x-\shaftwidth\relax% \pgf@x.5\pgf@x% }% \pgf@y-\pgf@y% }% \else% \csname pgf@anchor@arrow box@south\endcsname% \fi% }% \anchor{after south arrow}{% \arrowboxpoints% \ifdim\southextend>0pt\relax% \pgfpointadd{\centerpoint}{% \arrowboxcorner% \pgf@x-\shaftwidth\relax% \pgf@x.5\pgf@x% \advance\pgf@x-\outerxsep\relax% \pgf@y-\pgf@y% }% \else% \csname pgf@anchor@arrow box@south\endcsname% \fi% }% % \backgroundpath{% \arrowboxpoints% \pgfextract@process\arrowboxcorner{% \arrowboxcorner% \pgfmathaddtolength\pgf@x{-\pgfkeysvalueof{/pgf/outer xsep}}% \pgfmathaddtolength\pgf@y{-\pgfkeysvalueof{/pgf/outer ysep}}% }% {% \pgftransformshift{\centerpoint}% \pgfpathmoveto{\arrowboxcorner}% \ifdim\eastextend>0pt\relax% \pgfpathlineto{% \arrowboxcorner% \pgf@y\shaftwidth\relax% \pgf@y.5\pgf@y% }% \pgfpathlineto{% \beforearrowtip% \pgf@x-\pgf@x% \advance\pgf@x\eastextend\relax% \advance\pgf@x\arrowheadindent\relax% \pgf@y\shaftwidth\relax% \pgf@y.5\pgf@y% }% \pgfpathlineto{% \beforearrowtip% \pgf@x-\pgf@x% \advance\pgf@x\eastextend\relax% }% \pgfpathlineto{% \pgf@x\eastextend\relax% \pgf@y0pt\relax% }% \pgfpathlineto{% \beforearrowtip% \pgf@x-\pgf@x% \advance\pgf@x\eastextend\relax% \pgf@y-\pgf@y% }% \pgfpathlineto{% \beforearrowtip% \pgf@x-\pgf@x% \advance\pgf@x\eastextend\relax% \advance\pgf@x\arrowheadindent\relax% \pgf@y\shaftwidth\relax% \pgf@y-.5\pgf@y% }% \pgfpathlineto{% \arrowboxcorner% \pgf@y\shaftwidth\relax% \pgf@y-.5\pgf@y% }% \fi% \pgfpathlineto{\arrowboxcorner\pgf@y-\pgf@y}% \ifdim\southextend>0pt\relax% \pgfpathlineto{% \arrowboxcorner% \pgf@x\shaftwidth\relax% \pgf@x.5\pgf@x% \pgf@y-\pgf@y% }% \pgfpathlineto{% \beforearrowtip% \pgf@y\pgf@x% \advance\pgf@y-\southextend\relax% \advance\pgf@y-\arrowheadindent\relax% \pgf@x\shaftwidth\relax% \pgf@x.5\pgf@x% }% \pgfpathlineto{% \beforearrowtip% \pgf@xa\pgf@y% \pgf@y\pgf@x% \advance\pgf@y-\southextend\relax% \pgf@x\pgf@xa% }% \pgfpathlineto{% \pgf@x0pt\relax% \pgf@y-\southextend\relax% }% \pgfpathlineto{% \beforearrowtip% \pgf@xa\pgf@y% \pgf@y\pgf@x% \advance\pgf@y-\southextend\relax% \pgf@x-\pgf@xa% }% \pgfpathlineto{% \beforearrowtip% \pgf@y\pgf@x% \advance\pgf@y-\southextend\relax% \advance\pgf@y-\arrowheadindent\relax% \pgf@x\shaftwidth\relax% \pgf@x-.5\pgf@x% }% \pgfpathlineto{% \arrowboxcorner% \pgf@x\shaftwidth\relax% \pgf@x-.5\pgf@x% \pgf@y-\pgf@y% }% \fi% \pgfpathlineto{\arrowboxcorner\pgf@x-\pgf@x\pgf@y-\pgf@y}% \ifdim\westextend>0pt\relax% \pgfpathlineto{% \arrowboxcorner% \pgf@x-\pgf@x \pgf@y\shaftwidth\relax% \pgf@y-.5\pgf@y% }% \pgfpathlineto{% \beforearrowtip% \advance\pgf@x-\westextend\relax% \advance\pgf@x-\arrowheadindent\relax% \pgf@y\shaftwidth\relax% \pgf@y-.5\pgf@y% }% \pgfpathlineto{% \beforearrowtip% \advance\pgf@x-\westextend\relax% \pgf@y-\pgf@y% }% \pgfpathlineto{% \pgf@x-\westextend\relax% \pgf@y0pt\relax% }% \pgfpathlineto{% \beforearrowtip% \advance\pgf@x-\westextend\relax% }% \pgfpathlineto{% \beforearrowtip% \advance\pgf@x-\westextend\relax% \advance\pgf@x-\arrowheadindent\relax% \pgf@y\shaftwidth\relax% \pgf@y.5\pgf@y% }% \pgfpathlineto{% \arrowboxcorner% \pgf@x-\pgf@x% \pgf@y\shaftwidth\relax% \pgf@y.5\pgf@y% }% \fi% \pgfpathlineto{\arrowboxcorner\pgf@x-\pgf@x}% \ifdim\northextend>0pt\relax% \pgfpathlineto{% \arrowboxcorner% \pgf@x\shaftwidth\relax% \pgf@x-.5\pgf@x% }% \pgfpathlineto{% \beforearrowtip% \pgf@y-\pgf@x% \advance\pgf@y\northextend\relax% \advance\pgf@y\arrowheadindent\relax% \pgf@x\shaftwidth\relax% \pgf@x-.5\pgf@x% }% \pgfpathlineto{% \beforearrowtip% \pgf@xa\pgf@y% \pgf@y-\pgf@x% \advance\pgf@y\northextend\relax% \pgf@x-\pgf@xa% }% \pgfpathlineto{% \pgf@x0pt\relax% \pgf@y\northextend\relax% }% \pgfpathlineto{% \beforearrowtip% \pgf@xa\pgf@y% \pgf@y-\pgf@x% \advance\pgf@y\northextend\relax% \pgf@x\pgf@xa% }% \pgfpathlineto{% \beforearrowtip% \pgf@y-\pgf@x% \advance\pgf@y\northextend\relax% \advance\pgf@y\arrowheadindent\relax% \pgf@x\shaftwidth\relax% \pgf@x.5\pgf@x% }% \pgfpathlineto{% \arrowboxcorner% \pgf@x\shaftwidth\relax% \pgf@x.5\pgf@x% }% \fi% \pgfpathclose% }% }% \anchorborder{% \pgfextract@process\externalpoint{}% \pgfutil@ifundefined{pgf@lib@shapes@arrowbox@referencepoint}% {\let\referencepoint\centerpoint}{\let\referencepoint\pgf@lib@shapes@arrowbox@referencepoint}% \pgfextract@process\externalpoint{% \pgfpointadd{\referencepoint}{\externalpoint}% }% \pgfmathanglebetweenpoints{\centerpoint}{\externalpoint}% \let\externalangle\pgfmathresult% \pgfmathanglebetweenpoints{\referencepoint}% {\csname pgf@anchor@arrow box@west\endcsname}% \ifdim\externalangle pt<\pgfmathresult pt\relax% \pgfmathanglebetweenpoints{\referencepoint}% {\csname pgf@anchor@arrow box@north\endcsname}% \ifdim\externalangle pt<\pgfmathresult pt\relax% \pgfmathanglebetweenpoints{\referencepoint}% {\csname pgf@anchor@arrow box@north east\endcsname}% \ifdim\externalangle pt<\pgfmathresult pt\relax% \pgfmathanglebetweenpoints{\referencepoint}% {\csname pgf@anchor@arrow box@before east arrow tip\endcsname}% \ifdim\externalangle pt<\pgfmathresult pt\relax% \def\firstpoint{east arrow tip}% \def\secondpoint{before east arrow tip}% \else% \pgfmathanglebetweenpoints{\referencepoint}% {\csname pgf@anchor@arrow box@before east arrow\endcsname}% \ifdim\externalangle pt<\pgfmathresult pt\relax% \def\firstpoint{before east arrow head}% \def\secondpoint{before east arrow}% \else% \def\firstpoint{before east arrow}% \def\secondpoint{north east}% \fi% \fi% \else% \pgfmathanglebetweenpoints{\referencepoint}% {\csname pgf@anchor@arrow box@after north arrow tip\endcsname}% \ifdim\externalangle pt<\pgfmathresult pt\relax% \pgfmathanglebetweenpoints{\referencepoint}% {\csname pgf@anchor@arrow box@after north arrow\endcsname}% \ifdim\externalangle pt<\pgfmathresult pt\relax% \def\firstpoint{north east}% \def\secondpoint{after north arrow}% \else% \def\firstpoint{after north arrow}% \def\secondpoint{after north arrow head}% \fi% \else% \def\firstpoint{after north arrow tip}% \def\secondpoint{north arrow tip}% \fi% \fi% \else% \pgfmathanglebetweenpoints{\referencepoint}% {\csname pgf@anchor@arrow box@north west\endcsname}% \ifdim\externalangle pt<\pgfmathresult pt\relax% \pgfmathanglebetweenpoints{\referencepoint}% {\csname pgf@anchor@arrow box@before north arrow tip\endcsname}% \ifdim\externalangle pt<\pgfmathresult pt\relax% \def\firstpoint{north arrow tip}% \def\secondpoint{before north arrow tip}% \else% \pgfmathanglebetweenpoints{\referencepoint}% {\csname pgf@anchor@arrow box@before north arrow\endcsname}% \ifdim\externalangle pt<\pgfmathresult pt\relax% \def\firstpoint{before north head}% \def\secondpoint{before north arrow}% \else% \def\firstpoint{before north arrow}% \def\secondpoint{north west}% \fi% \fi% \else% \pgfmathanglebetweenpoints{\referencepoint}% {\csname pgf@anchor@arrow box@after west arrow tip\endcsname}% \ifdim\externalangle pt<\pgfmathresult pt\relax% \pgfmathanglebetweenpoints{\referencepoint}% {\csname pgf@anchor@arrow box@after west arrow\endcsname}% \ifdim\externalangle pt<\pgfmathresult pt\relax% \def\firstpoint{north west}% \def\secondpoint{after west arrow}% \else% \def\firstpoint{after west arrow}% \def\secondpoint{after west arrow head}% \fi% \else% \def\firstpoint{after west arrow tip}% \def\secondpoint{west arrow tip}% \fi% \fi% \fi% \else% \pgfmathanglebetweenpoints{\referencepoint}% {\csname pgf@anchor@arrow box@south arrow tip\endcsname}% \ifdim\externalangle pt<\pgfmathresult pt\relax% \pgfmathanglebetweenpoints{\referencepoint}% {\csname pgf@anchor@arrow box@south west\endcsname}% \ifdim\externalangle pt<\pgfmathresult pt\relax% \pgfmathanglebetweenpoints{\referencepoint}% {\csname pgf@anchor@arrow box@before west arrow tip\endcsname}% \ifdim\externalangle pt<\pgfmathresult pt\relax% \def\firstpoint{west arrow tip}% \def\secondpoint{before west arrow tip}% \else% \pgfmathanglebetweenpoints{\referencepoint}% {\csname pgf@anchor@arrow box@before west arrow\endcsname}% \ifdim\externalangle pt<\pgfmathresult pt\relax% \def\firstpoint{before west arrow head}% \def\secondpoint{before west arrow}% \else% \def\firstpoint{before west arrow}% \def\secondpoint{south west}% \fi% \fi% \else% \pgfmathanglebetweenpoints{\referencepoint}% {\csname pgf@anchor@arrow box@after south arrow tip\endcsname}% \ifdim\externalangle pt<\pgfmathresult pt\relax% \pgfmathanglebetweenpoints{\referencepoint}% {\csname pgf@anchor@arrow box@after south arrow\endcsname}% \ifdim\externalangle pt<\pgfmathresult pt\relax% \def\firstpoint{south west}% \def\secondpoint{after south arrow}% \else% \def\firstpoint{after south arrow}% \def\secondpoint{after south arrow head}% \fi% \else% \def\firstpoint{after south arrow tip}% \def\secondpoint{south arrow tip}% \fi% \fi% \else% \pgfmathanglebetweenpoints{\referencepoint}% {\csname pgf@anchor@arrow box@south east\endcsname}% \ifdim\externalangle pt<\pgfmathresult pt\relax% \pgfmathanglebetweenpoints{\referencepoint}% {\csname pgf@anchor@arrow box@before south arrow tip\endcsname}% \ifdim\externalangle pt<\pgfmathresult pt\relax% \def\firstpoint{south arrow tip}% \def\secondpoint{before south arrow tip}% \else% \pgfmathanglebetweenpoints{\referencepoint}% {\csname pgf@anchor@arrow box@before south arrow\endcsname}% \ifdim\externalangle pt<\pgfmathresult pt\relax% \def\firstpoint{before south arrow head}% \def\secondpoint{before south arrow}% \else% \def\firstpoint{before south arrow}% \def\secondpoint{south east}% \fi% \fi% \else% \pgfmathanglebetweenpoints{\referencepoint}% {\csname pgf@anchor@arrow box@after east arrow tip\endcsname}% \ifdim\externalangle pt<\pgfmathresult pt\relax% \pgfmathanglebetweenpoints{\referencepoint}% {\csname pgf@anchor@arrow box@after east arrow\endcsname}% \ifdim\externalangle pt<\pgfmathresult pt\relax% \def\firstpoint{south east}% \def\secondpoint{after east arrow}% \else% \def\firstpoint{after east arrow}% \def\secondpoint{after east arrow head}% \fi% \else% \def\firstpoint{after east arrow tip}% \def\secondpoint{east arrow tip}% \fi% \fi% \fi% \fi% \pgfpointintersectionoflines{\referencepoint}{\externalpoint}% {\csname pgf@anchor@arrow box@\firstpoint\endcsname}% {\csname pgf@anchor@arrow box@\secondpoint\endcsname}% }% }% \endinput