¿Alguien podría arreglar este código tikz?

Question

\documentclass[11pt, twosides]{book}
\usepackage[a4paper, top=.5cm]{geometry}
\usepackage[myheadings]{fullpage}
\usepackage{fancyhdr}
\usepackage{lastpage}
\usepackage{graphicx, wrapfig, subcaption, setspace}
\usepackage{mathpazo}
\usepackage[T1]{fontenc}
\usepackage[font=small, labelfont=bf]{caption}
\usepackage[protrusion=true, expansion=true]{microtype}
\usepackage{sectsty}
\usepackage{url, lipsum}
\usepackage{etoolbox}
\usepackage[explicit]{titlesec}
\usepackage{epigraph}
\usepackage{tikz}
\usepackage{tikzpagenodes}
\titleformat{\chapter}[display]
  {\normalfont\huge}
  {}
  {20pt}
  {%
  \begin{tikzpicture}[remember picture,overlay]
\fill[top color=green, bottom color=blue] 
(16,-23) rectangle (18.5,7);
\node[
    anchor= east,
    xshift=1cm,
    text width=\textwidth] 
    at ([yshift=5pt]titlerect.east) {\fontsize{30}{36}\sffamily\selectfont#1};
\node[
    anchor= east,
    inner xsep=3cm,
    outer sep=0pt,
    font=\color{blue}]%,
    at ([yshift=.5cm]current page.east|-titlerect.east)
     {\fontsize{80}{86}\bfseries\thechapter};
\node[
    anchor= east,
    xshift=11.5cm,
        yshift=-11cm,
    text width=\textwidth] 
    at ([yshift=5pt]titlerect.east) {\fontsize{30}{36}\scshape\selectfont\rotatebox{90}{\color{white}#1}};
  \end{tikzpicture}%
}
\titleformat{name=\chapter,numberless}[display]
  {\normalfont\huge}
  {}
  {20pt}
  {%
  \begin{tikzpicture}[remember picture,overlay]
    \fill[top color=green, bottom color=blue] 
    (16,-25) rectangle (18.5,7);
  \node[
   anchor=west,
    rectangle,
    minimum height=4cm,
    text width=\paperwidth,
    xshift=-\the\dimexpr\oddsidemargin+1in\relax,
    outer sep=0pt] (titlerect) {};
  \node[
    anchor=south west,
    xshift=6cm,
        yshift=2cm,
    text width=\textwidth] 
   at (titlerect.south west) {\sffamily\Huge#1};
    \node[
    anchor= east,
    xshift=11.5cm,
        yshift=-11cm,
    text width=\textwidth] 
    at ([yshift=5pt]titlerect.east) {\fontsize{30}{36}\scshape\selectfont\rotatebox{90}{\color{white}#1}};
  \end{tikzpicture}%
  }[]
\titlespacing*{\chapter}
  {0pt}{-20pt}{60pt}
\titlespacing*{\chapter}
  {0pt}{-20pt}{60pt}
\titleformat{\section}[display] 
{\bfseries\normalsize}
{}
{5pt}
{\color{blue}\thesection~~ #1}
\titleformat{name=\section, numberless}[display]
{\bfseries\normalsize}
{}
{5pt}
{#1}

\titleformat{\subsection}[display]
{\itshape\normalsize}
{}
{5pt}
{\color{blue}\thesection~~ #1}

\fancypagestyle{plain}
{
   \fancyhf{}
   \fancyfoot{}
   \renewcommand{\headrulewidth}{0 mm}
}

\title{Title}
\author{Author}
\date{}
\textwidth=13cm
\begin{document}

\maketitle

\chapter{Random}

\section{Lipsum}

\lipsum[2]

\subsection{Subsection}

\lipsum[1]
\end{document}

Answer 1

Parece que titlerecse supone que el nodo es el rectángulo creado con el \fillcomando inicial . Podemos reemplazar esto con un nodo usando la biblioteca tikz fit y los nodos de página de tikzpagenodes para solucionar el problema.

El siguiente código ahora se compila sin errores para dar el resultado deseado. Por supuesto, inicialmente, el trabajo duro se hizo en la publicación.https://tex.stackexchange.com/a/374634/134144. Dicho esto, he racionalizado el código, hice un mejor uso de tikzpagenodes , hice que las versiones numeradas e innumerables fueran coherentes y eliminé un código que creía innecesario. Una vez hecho esto, el código produce:

Aquí está el código actualizado:

\documentclass[11pt, twosides]{book}
\usepackage[a4paper, top=.5cm]{geometry}
\usepackage[myheadings]{fullpage}
\usepackage{fancyhdr}
\usepackage{lastpage}
\usepackage{graphicx, wrapfig, subcaption, setspace}
\usepackage{mathpazo}
\usepackage[T1]{fontenc}
\usepackage[font=small, labelfont=bf]{caption}
\usepackage[protrusion=true, expansion=true]{microtype}
\usepackage{sectsty}
\usepackage{url, lipsum}
\usepackage{etoolbox}
\usepackage[explicit]{titlesec}
\usepackage{epigraph}
\usepackage{tikz}
\usetikzlibrary{fit}
\usepackage{tikzpagenodes}
\titleformat{name=\chapter}[display]
  {\normalfont\huge}
  {}
  {20pt}
  {%
  \begin{tikzpicture}[remember picture,overlay]
    \coordinate (SE) at ([xshift=-50]current page.south east);
    \node[top color=green, bottom color=blue, 
        fit=(current page.north east)(SE)](titlerect){};
    \node[font=\fontsize{30}{36}\sffamily\selectfont] 
        at (current page text area.north){#1};
    \node[xshift=-25, font=\fontsize{80}{86}\bfseries\color{blue}]
        at (current page text area.north east-|titlerect.west)
        {\thechapter};
    \node[xshift=25, 
          font=\fontsize{30}{36}\scshape\selectfont\color{white}]
       at (current page.center-|titlerect.west) {\rotatebox{90}{#1}};
 \end{tikzpicture}%
}
\titleformat{name=\chapter,numberless}[display]
  {\normalfont\huge}
  {}
  {20pt}
  {%
  \begin{tikzpicture}[remember picture,overlay]
    \node[top color=green, bottom color=blue, 
        fit=(current page.north east)(SE)](titlerect){};
    \node[font=\fontsize{30}{36}\sffamily\selectfont] 
       at (current page text area.north){#1};
    \node[xshift=25, 
       font=\fontsize{30}{36}\scshape\selectfont\color{white}]
       at (current page.center-|titlerect.west) {\rotatebox{90}{#1}};
  \end{tikzpicture}%
}
\titlespacing*{\chapter}{0pt}{-20pt}{60pt}
\titleformat{\section}[display]
{\bfseries\normalsize}
{}
{5pt}
{\color{blue}\thesection~~ #1}
\titleformat{name=\section, numberless}[display]
{\bfseries\normalsize}
{}
{5pt}
{#1}

\titleformat{\subsection}[display]
{\itshape\normalsize}
{}
{5pt}
{\color{blue}\thesection~~ #1}

\fancypagestyle{plain}
{
   \fancyhf{}
   \fancyfoot{}
   \renewcommand{\headrulewidth}{0 mm}
}

\title{Title}
\author{Author}
\date{}
\begin{document}

\chapter{Random}

\section{Lipsum}

\lipsum[2]

\subsection{Subsection}

\lipsum[1]

\chapter*{Random}

\section{Lipsum}

\lipsum[2]

\subsection{Subsection}

\lipsum[1]

\end{document}