[Tex/LaTex] Figure is put in the center of the page

floatspositioningsubfloats

I made a figure containing subfigures, but it keeps appearing in a whole page, so lots of white space. I don't know why.
This picture explains what i mean:

problem

This is the code used:

\clearpage
\begin{figure*}[t]
\centering
\subfloat[]{\includegraphics[width=.33\linewidth]{../Hussein/MatFiles/Lights/k640_Sensor_Lights_On_1000mm-pgms/k640_Sensor_Lights_On_1000mm-pgms_no_of_levels}}
\subfloat[]{\includegraphics[width=.33\linewidth]{../Hussein/MatFiles/Lights/k640_Sensor_Lights_On_1000mm-pgms/k640_Sensor_Lights_On_1000mm-pgms_entropy}}
\subfloat[]{\includegraphics[width=.33\linewidth]{../Hussein/MatFiles/Lights/k640_Sensor_Lights_On_1000mm-pgms/k640_Sensor_Lights_On_1000mm-pgms_mean}}
\subfloat[]{\includegraphics[width=.33\linewidth]{../Hussein/MatFiles/Lights/x640_Sensor_Lights_On_1000mm-pgms/x640_Sensor_Lights_On_1000mm-pgms_no_of_levels}}
\subfloat[]{\includegraphics[width=.33\linewidth]{../Hussein/MatFiles/Lights/x640_Sensor_Lights_On_1000mm-pgms/x640_Sensor_Lights_On_1000mm-pgms_entropy}}
\subfloat[]{\includegraphics[width=.33\linewidth]{../Hussein/MatFiles/Lights/x640_Sensor_Lights_On_1000mm-pgms/x640_Sensor_Lights_On_1000mm-pgms_mean}}\\
\subfloat[]{\includegraphics[width=.33\linewidth]{../Hussein/MatFiles/Lights/x320_Sensor_Lights_On_1000mm-pgms/x320_Sensor_Lights_On_1000mm-pgms_no_of_levels}}
\subfloat[]{\includegraphics[width=.33\linewidth]{../Hussein/MatFiles/Lights/x320_Sensor_Lights_On_1000mm-pgms/x320_Sensor_Lights_On_1000mm-pgms_entropy}}
\subfloat[]{\includegraphics[width=.33\linewidth]{../Hussein/MatFiles/Lights/x320_Sensor_Lights_On_1000mm-pgms/x320_Sensor_Lights_On_1000mm-pgms_mean}}
\subfloat[]{\includegraphics[width=.33\linewidth]{../Hussein/MatFiles/Lights/x320_Sensor_Lights_On_1000mm-pgms/x320_Sensor_Lights_On_1000mm-pgms_mean}}
\subfloat[]{\includegraphics[width=.33\linewidth]{../Hussein/MatFiles/Lights/x320_Sensor_Lights_On_1000mm-pgms/x320_Sensor_Lights_On_1000mm-pgms_mean}}
\subfloat[]{\includegraphics[width=.33\linewidth]{../Hussein/MatFiles/Lights/x320_Sensor_Lights_On_1000mm-pgms/x320_Sensor_Lights_On_1000mm-pgms_mean}}
\caption{aaa}
\label{fig:rulascore}
\end{figure*}

Best Answer

What about changing

\begin{figure*}[t]

to \begin{figure*}[t!]? It overrides some internal LaTeX parameters, giving more flexibility.

Related Solutions

[Tex/LaTex] Use \captionof in conjunction with \subfigure

Since this seems like an out-of-the-ordinary setting for a figure, it may require some manual fiddling. The following example sets a list-like environment containing the "figure", and it allows your caption to break across the page boundary.

enter image description here

\documentclass{scrartcl}
\usepackage{graphicx,lipsum,afterpage,subcaption}
\usepackage{enumitem}
\begin{document}

\lipsum[1-5]

\makeatletter
\afterpage{\begin{center}
    \def\@captype{figure}% Fake a figure environment
    \subcaptionbox{Sub1}{\includegraphics[width=.2\linewidth]{example-image-a}} \qquad
    \subcaptionbox{Sub2}{\includegraphics[width=.2\linewidth]{example-image-a}} \qquad
    \subcaptionbox{Sub3}{\includegraphics[width=.2\linewidth]{example-image-a}} \par\bigskip
    \subcaptionbox{Sub4}{\includegraphics[width=.2\linewidth]{example-image-a}} \qquad
    \subcaptionbox{Sub5}{\includegraphics[width=.2\linewidth]{example-image-a}} \qquad
    \subcaptionbox{Sub6}{\includegraphics[width=.2\linewidth]{example-image-a}}
  \end{center}
  \addcontentsline{lof}{figure}{\protect\numberline{\thefigure}A length figure}% LoF entry
  \settowidth{\@tempdima}{Figure~\thefigure: }%
  \begin{itemize}[labelindent=\parindent,labelwidth=\@tempdima,rightmargin=\parindent,leftmargin=\dimexpr\@tempdima+\parindent]
    \item[Figure~\thefigure:]
    \lipsum[6-10]
  \end{itemize}
}
\makeatother

\lipsum[6-12]

\end{document}

The sub-figures are set using subcaption using the regular interface inside a center environment. A faked figure is initiated by defining the caption type \@captype. Setting of the caption is inside a regular list itemize with appropriate width settings (to match your other figures).

A short LoF-entry is set manually via \addcontentsline{lof}{figure}{<short entry>}. This is displayed with the inclusion of \listoffigures.

All of the above is passed to \afterpage (supplied by afterpage) in order to provide a seemless transition from page-to-page. One may play around with the spacing following the "figure". For example, adding something like \addvspace{\textfloatsep}.

_{The page layout was added via \usepackage{showframe} in the preamble; removed in the above code.}

[Tex/LaTex] Side-by-side figures with caption, specify height but use whole textwidth

Slightly adopted @egreg answer in given link (that now you have two figures and not sub-figures):

\documentclass{article}
\usepackage{graphicx}
\usepackage{subcaption}% added for test in parallel with @egreg solution

\usepackage{showframe}% only for show page layout. in real use it had to be omitted!

% new lengths and save boxes
\newlength{\twosubht}
    \newsavebox{\twosubbox}
\newlength{\firstfig}
    \newsavebox{\firstfigbox}
\newlength{\secondfig}
    \newsavebox{\secondfigbox}

    \begin{document}
\begin{figure}[htp]
% measurement of height
\sbox\twosubbox{\resizebox{\dimexpr.9\textwidth-1em}{!}{%
    \includegraphics[height=3cm]{example-image-a}%
    \includegraphics[height=3cm]{example-image-16x9}%
    }%
}
\setlength{\twosubht}{\ht\twosubbox}
% measurement of width
\sbox\firstfigbox{\includegraphics[height=\twosubht]{example-image-a}}%
\setlength{\firstfig}{\wd\firstfigbox}
\sbox\secondfigbox{\includegraphics[height=\twosubht]{example-image-16x9}}%
\setlength{\secondfig}{\wd\secondfigbox}
% figure
\centering
    \begin{tabular}{p{\firstfig}p{\secondfig}}
\usebox\firstfigbox
\caption{The first}
    &   \usebox\secondfigbox
        \caption{The second}
    \end{tabular}
\end{figure}

% original @egreg solution

\noindent\hrulefill The text width\hrulefill
\begin{center}
\makebox[.9\textwidth]{\hrulefill 90\% of text width\hrulefill}
\end{center}

\begin{figure}[htp]
% preliminary
\sbox\twosubbox{%
  \resizebox{\dimexpr.9\textwidth-1em}{!}{%
    \includegraphics[height=3cm]{example-image-a}%
    \includegraphics[height=3cm]{example-image-16x9}%
  }%
}
\setlength{\twosubht}{\ht\twosubbox}

% typeset

\centering

\subcaptionbox{First\label{f}}{%
  \includegraphics[height=\twosubht]{example-image-a}%
}\quad
\subcaptionbox{Second\label{s}}{%
  \includegraphics[height=\twosubht]{example-image-16x9}%
}

\caption{The caption}
\end{figure}
    \end{document}

First compiling is slow due to figure size adjustment and figure size measurements.

Edit: For comparison the size of the figures, I copy @egreg solution from given link into my answer. As expected, the size of figures are the same (this is response to comment, that figures are not the same ...).

I also recommended to use geometry package for determining page layout (no used in above MWE).

Best Answer

Related Solutions

[Tex/LaTex] Use \captionof in conjunction with \subfigure

[Tex/LaTex] Side-by-side figures with caption, specify height but use whole textwidth

Related Question