[Tex/LaTex] Space between figure caption and bottom margin

captionsmargins

I am looking to put a figure at the bottom of my document in a way that the caption is aligned with the bottom margin (i.e. no space between text and margin). Here's a MWE:

\documentclass[12pt]{report}
\usepackage[top=1.0in,hmargin=1.25in,height=9.0in,letterpaper,showframe]{geometry}
\usepackage[document]{ragged2e}
\usepackage{setspace}
\usepackage{graphicx}
\usepackage[labelfont=bf,justification=RaggedRight,singlelinecheck=off,%
           labelsep=period]{caption}
\usepackage{duckuments}
\usepackage{blindtext}

\begin{document}
\RaggedRight    
\doublespace
\chapter{Title of chapter}
\blindtext  
\begin{figure}[b]
    \centering
    \includegraphics[height=3cm]{example-image-duck}
    \caption{This is a caption that is very long for the figure and it should be aligned with the bottom margin}
\end{figure}
\blindtext
\blindtext
\begin{figure}[t]
    \centering
    \includegraphics[height=3cm]{example-image-duck}
    \caption{This is the caption.}
\end{figure}    
\end{document}

The first figure is set at the bottom, but the caption doesn't align with the margin (there is a space between the text and the margin). The one aligned at the top, however, does align to the margin, so I didn't want to mess with the padding the figure environment has.

Edit:

Here's a screenshot, I drew the redline (on an editor) to indicate the spacing I am talking about.

CaptionSpacing

Best Answer

You can use \flushbottom to get always the last line of a page aligned with the bottom of typing area.

Please see the code:

\documentclass[12pt]{report}

\usepackage[top=1.0in,hmargin=1.25in,height=9.0in,letterpaper,showframe]{geometry}
\usepackage[document]{ragged2e}
\usepackage{setspace}
\usepackage{graphicx}
\usepackage[%
  labelfont=bf,
  justification=RaggedRight,
  singlelinecheck=off,%
  labelsep=period
]{caption}

\usepackage{duckuments}
\usepackage{blindtext}


\begin{document}
\flushbottom % <========================================================
\RaggedRight
\doublespace
\chapter{Title of chapter}
\blindtext
\begin{figure}[b]
  \centering
  \includegraphics[height=3cm]{example-image-duck}
  \caption{This is a caption that is very long for the figure and it should be aligned with the bottom margin}
\end{figure}
\blindtext
\blindtext
\begin{figure}[t]
    \centering
    \includegraphics[height=3cm]{example-image-duck}
    \caption{This is the caption.}
\end{figure}
\end{document}

and the result:

resulting pdf

Related Question