我从这里。我想使用ellipse参数，但如果我尝试更改参数 ，rectangular它会出现一堆错误，有人知道吗？提前谢谢ellipseblock_center/.style
% A CONSORT-style flowchart of a randomized controlled trial
% using the PGF/TikZ package
% Author : Morten Vejs Willert (July 2010)
% License : Creative Commons attribution license
\documentclass{article}
\usepackage[latin1]{inputenc}
\usepackage{tikz}
\usetikzlibrary{shapes,arrows,shapes.geometric}
\usepackage{caption}
\newcommand*{\h}{\hspace{5pt}}% for indentation
\newcommand*{\hh}{\h\h}% double indentation
\begin{document}
\begin{center}
\captionof{figure}{Flowchart of participants' progress through
the phases of the trial}
% setting the typeface to sans serif and the font size to small
% the scope local to the environment
\sffamily
\footnotesize
\begin{tikzpicture}[auto,
%decision/.style={diamond, draw=black, thick, fill=white,
%text width=8em, text badly centered,
%inner sep=1pt, font=\sffamily\small},
%%%
block_center/.style ={ellipse, draw=black, thick, fill=white,
text width=8em, text centered, minimum height=4em},
%%%
block_left/.style ={rectangle, draw=black, thick, fill=white,
text width=16em, text ragged, minimum height=4em, inner sep=6pt},
block_noborder/.style ={rectangle, draw=none, thick, fill=none,
text width=18em, text centered, minimum height=1em},
block_assign/.style ={rectangle, draw=black, thick, fill=white,
text width=18em, text ragged, minimum height=3em, inner sep=6pt},
block_lost/.style ={rectangle, draw=black, thick, fill=white,
text width=16em, text ragged, minimum height=3em, inner sep=6pt},
line/.style ={draw, thick, -latex', shorten >=0pt}]
% outlining the flowchart using the PGF/TikZ matrix funtion
\matrix [column sep=5mm,row sep=3mm] {
% enrollment - row 1
\node [block_center] (referred) {Referred (n=173)};
& \node [block_left] (excluded1) {Excluded (n=17): \\
a) Did not wish to participate (n=9) \\
b) Did not show for interview (n=5) \\
c) Other reasons (n=3)}; \\
% enrollment - row 2
\node [block_center] (assessment) {Assessed for eligibility (n=156)};
& \node [block_left] (excluded2) {Excluded (n=54): \\
a) Inclusion criteria not met (n=22) \\
b) Exclusion criteria(s) met (n=13) \\
c) Not suited for group (n=7) \\
d) Not suited for CBT (n=2) \\
e) Sought other treatment (n=3) \\
f) Other reasons (n=7)}; \\
% enrollment - row 3
\node [block_center] (random) {Randomised (n=102)};
& \\
% follow-up - row 4
\node [block_noborder] (i) {Intervention group};
& \node [block_noborder] (wlc) {Wait-list control group}; \\
% follow-up - row 5
\node [block_assign] (i_T0) {Allocated to intervention (n=51): \\
\h Received intervention (n=49) \\
\h Did not receive intervention (n=2, \\
\hh 1 with primary anxiety disorder, \\
\hh 1 could not find time to participate)};
& \node [block_assign] (wlc_T0) {Allocated to wait-list (n=51): \\
\h Stayed on wait-list (n=48) \\
\h Did not stay on wait-list (n=3, \\
\hh 2 changed jobs and lost motivation, \\
\hh 1 was offered treatment elsewhere)}; \\
% follow-up - row 6
\node [block_lost] (i_T3) {Post-intervention measurement: \\
\h Lost to follow-up (n=5, \\
\hh 2 dropped out of the intervention, \\
\hh 3 did not complete measurement)};
& \node [block_lost] (wlc_T3) {Post-wait-list measurement: \\
\h Lost to follow-up (n=6, \\
\hh 3 dropped out of the wait-list, \\
\hh 3 did not complete measurement)}; \\
% follow-up - row 7
% empty first column for intervention group
& \node [block_assign] (wlc_T36) {Allocated to intervention (n=48): \\
\h Received intervention (n=46) \\
\h Did not receive intervention (n=2, \\
\hh 1 reported low motivation, \\
\hh 1 could not find time to participate)}; \\
% follow-up - row 8
\node [block_lost] (i_T6) {3-months follow-up measurement: \\
\h Lost to follow-up (n=9, \\
\hh did not complete measurement)};
& \node [block_lost] (wlc_T6) {Post-intervention measurement: \\
\h Lost to follow-up (n=5, \\
\hh 2 dropped out of the intervention, \\
\hh 3 did not complete measurement)}; \\
% follow-up - row 9
% empty first column for intervention group
& \node [block_lost] (wlc_T9) {3-months follow-up measurement \\
\h Lost to follow-up (n=2, \\
\hh did not complete measurement)}; \\
% analysis - row 10
\node [block_assign] (i_ana) {Analysed (n=51)};
& \node [block_assign] (wlc_ana) {Analysed (n=51)}; \\
};% end matrix
% connecting nodes with paths
\begin{scope}[every path/.style=line]
% paths for enrollemnt rows
\path (referred) -- (excluded1);
\path (referred) -- (assessment);
\path (assessment) -- (excluded2);
\path (assessment) -- (random);
\path (random) -- (i);
\path (random) -| (wlc);
% paths for i-group follow-up rows
\path (i) -- (i_T0);
\path (i_T0) -- (i_T3);
\path (i_T3) -- (i_T6);
\path (i_T6) -- (i_ana);
% paths for wlc-group follow-up rows
\path (wlc) -- (wlc_T0);
\path (wlc_T0) -- (wlc_T3);
\path (wlc_T3) -- (wlc_T36);
\path (wlc_T36) -- (wlc_T6);
\path (wlc_T6) -- (wlc_T9);
\path (wlc_T9) -- (wlc_ana);
\end{scope}
\end{tikzpicture}
\end{center}
\end{document}
答案1
我复制了您提供的链接的代码，它可以与椭圆和指示的库一起编译，没有任何问题。
\documentclass{article}
\usepackage[latin1]{inputenc}
\usepackage{tikz}
%%%<
\usepackage{verbatim}
%\usepackage[active,tightpage]{preview}
%\PreviewEnvironment{center}
%\setlength\PreviewBorder{10pt}%
%%%%>
\usetikzlibrary{shapes,arrows,shapes.geometric}
\usepackage{caption}
\newcommand*{\h}{\hspace{5pt}}% for indentation
\newcommand*{\hh}{\h\h}% double indentation
\begin{document}
\begin{center}
% \captionof{figure}{Flowchart of participants' progress through
% the phases of the trial}
% setting the typeface to sans serif and the font size to small
% the scope local to the environment
\sffamily
\footnotesize
\begin{tikzpicture}[auto,
%decision/.style={diamond, draw=black, thick, fill=white,
%text width=8em, text badly centered,
%inner sep=1pt, font=\sffamily\small},
block_center/.style ={ellipse, draw=black, thick, fill=white,
text width=8em, text centered,
minimum height=4em},
block_left/.style ={rectangle, draw=black, thick, fill=white,
text width=16em, text ragged, minimum height=4em, inner sep=6pt},
block_noborder/.style ={rectangle, draw=none, thick, fill=none,
text width=18em, text centered, minimum height=1em},
block_assign/.style ={rectangle, draw=black, thick, fill=white,
text width=18em, text ragged, minimum height=3em, inner sep=6pt},
block_lost/.style ={rectangle, draw=black, thick, fill=white,
text width=16em, text ragged, minimum height=3em, inner sep=6pt},
line/.style ={draw, thick, -latex', shorten >=0pt}]
% outlining the flowchart using the PGF/TikZ matrix funtion
\matrix [column sep=5mm,row sep=3mm] {
% enrollment - row 1
\node [block_center] (referred) {Referred (n=173)};
& \node [block_left] (excluded1) {Excluded (n=17): \\
a) Did not wish to participate (n=9) \\
b) Did not show for interview (n=5) \\
c) Other reasons (n=3)}; \\
% enrollment - row 2
\node [block_center] (assessment) {Assessed for eligibility (n=156)};
& \node [block_left] (excluded2) {Excluded (n=54): \\
a) Inclusion criteria not met (n=22) \\
b) Exclusion criteria(s) met (n=13) \\
c) Not suited for group (n=7) \\
d) Not suited for CBT (n=2) \\
e) Sought other treatment (n=3) \\
f) Other reasons (n=7)}; \\
% enrollment - row 3
\node [block_center] (random) {Randomised (n=102)};
& \\
% follow-up - row 4
\node [block_noborder] (i) {Intervention group};
& \node [block_noborder] (wlc) {Wait-list control group}; \\
% follow-up - row 5
\node [block_assign] (i_T0) {Allocated to intervention (n=51): \\
\h Received intervention (n=49) \\
\h Did not receive intervention (n=2, \\
\hh 1 with primary anxiety disorder, \\
\hh 1 could not find time to participate)};
& \node [block_assign] (wlc_T0) {Allocated to wait-list (n=51): \\
\h Stayed on wait-list (n=48) \\
\h Did not stay on wait-list (n=3, \\
\hh 2 changed jobs and lost motivation, \\
\hh 1 was offered treatment elsewhere)}; \\
% follow-up - row 6
\node [block_lost] (i_T3) {Post-intervention measurement: \\
\h Lost to follow-up (n=5, \\
\hh 2 dropped out of the intervention, \\
\hh 3 did not complete measurement)};
& \node [block_lost] (wlc_T3) {Post-wait-list measurement: \\
\h Lost to follow-up (n=6, \\
\hh 3 dropped out of the wait-list, \\
\hh 3 did not complete measurement)}; \\
% follow-up - row 7
% empty first column for intervention group
& \node [block_assign] (wlc_T36) {Allocated to intervention (n=48): \\
\h Received intervention (n=46) \\
\h Did not receive intervention (n=2, \\
\hh 1 reported low motivation, \\
\hh 1 could not find time to participate)}; \\
% follow-up - row 8
\node [block_lost] (i_T6) {3-months follow-up measurement: \\
\h Lost to follow-up (n=9, \\
\hh did not complete measurement)};
& \node [block_lost] (wlc_T6) {Post-intervention measurement: \\
\h Lost to follow-up (n=5, \\
\hh 2 dropped out of the intervention, \\
\hh 3 did not complete measurement)}; \\
% follow-up - row 9
% empty first column for intervention group
& \node [block_lost] (wlc_T9) {3-months follow-up measurement \\
\h Lost to follow-up (n=2, \\
\hh did not complete measurement)}; \\
% analysis - row 10
\node [block_assign] (i_ana) {Analysed (n=51)};
& \node [block_assign] (wlc_ana) {Analysed (n=51)}; \\
};% end matrix
% connecting nodes with paths
\begin{scope}[every path/.style=line]
% paths for enrollemnt rows
\path (referred) -- (excluded1);
\path (referred) -- (assessment);
\path (assessment) -- (excluded2);
\path (assessment) -- (random);
\path (random) -- (i);
\path (random) -| (wlc);
% paths for i-group follow-up rows
\path (i) -- (i_T0);
\path (i_T0) -- (i_T3);
\path (i_T3) -- (i_T6);
\path (i_T6) -- (i_ana);
% paths for wlc-group follow-up rows
\path (wlc) -- (wlc_T0);
\path (wlc_T0) -- (wlc_T3);
\path (wlc_T3) -- (wlc_T36);
\path (wlc_T36) -- (wlc_T6);
\path (wlc_T6) -- (wlc_T9);
\path (wlc_T9) -- (wlc_ana);
\end{scope}
\end{tikzpicture}
\end{center}
\end{document}