[Tex/LaTex] How to get the chapter title in a single page – titlesec

chapterspage-breakingsectioningtitlesec

Because of my thesis report style, I want to have the chapter title in a single page. I'm working with titlesec package.

I used \clearpage and \newpage to solve this, but doesn't work.
I also used \titlespacing, but without good results for different size of titles.

\documentclass[11pt]{report}
\usepackage[T1]{fontenc}
\usepackage{titlesec}
\usepackage{calc}
\usepackage{lmodern}
\usepackage{lipsum}

\titleformat{\chapter}[display]
{\filcenter}
{{%
   \filcenter\fontsize{48pt}{48pt}\usefont{T1}{phv}{m}{n}\MakeUppercase{\chaptername}
   \fontsize{48pt}{48pt}\selectfont\thechapter%
 }%
}
{5pt}
{\Huge\usefont{T1}{phv}{b}{n}%
 \parbox{\textwidth-\widthof{\LARGE\sffamily\MakeUppercase{\chaptername}}}%
}

\begin{document}
  \setcounter{chapter}{21}

  \chapter{Chapter Title}
  \section{Section one}
    \lipsum[1]
    \section{Section two}
  \chapter{Another chapter}
  \section{Section one}
    \lipsum[2]
\end{document}

Best Answer

To have the chapter heading to appear on a page of its own, add a \clearpage in the last optional argument for \titleformat. To have the heading vertically centered, add \vfill before and after the title is typeset:

\documentclass[11pt]{report}
\usepackage[T1]{fontenc}
\usepackage{titlesec}
\usepackage{calc}
\usepackage{lmodern}
\usepackage{lipsum}

\titleformat{\chapter}[display]
{\vfill\filcenter}
{{%
   \filcenter\fontsize{48pt}{48pt}\usefont{T1}{phv}{m}{n}\MakeUppercase{\chaptername}
   \fontsize{48pt}{48pt}\selectfont\thechapter%
 }%
}
{5pt}
{\Huge\usefont{T1}{phv}{b}{n}%
 \parbox{\textwidth-\widthof{\LARGE\sffamily\MakeUppercase{\chaptername}}}%
}[\vfill\clearpage]
\titlespacing*{\chapter}{0pt}{0pt}{0pt}

\begin{document}

  \setcounter{chapter}{21}

  \chapter{Chapter Title}
  \section{Section one}
    \lipsum[1]
    \section{Section two}
  \chapter{Another chapter}
  \section{Section one}
    \lipsum[2]
\end{document}

enter image description here

To prevent these settings from affecting the ToC, LoF and LoT, you might also need a definition using the numberless key to apply to those unnumbered chapters:

\titleformat{name=\chapter,numberless}[display]
{\filcenter}
{{%
 }%
}
{5pt}
{\Huge\usefont{T1}{phv}{b}{n}%
}
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