Btukfyl

I am using LaTeX to write my dissertation, and I have realised that on the table of contents and on every chapter page, LaTeX leaves a lot of empty space.

What I mean is that lets say in the page where chapter 1 begins, from the top of the page until the chapter title there is much more vertical space than on any other page. The same goes with chapter 2 etc... and for contents page as well.

Can anybody help me to remove that space?
Is there any mistake in my code or something like that? Is this a default of LaTeX?

the preamble is

documentclass[12pt,twoside]{report}

pagestyle{plain}

usepackage{a4paper}

usepackage{setspace}

doublespacing 

usepackage{amssymb}

usepackage{amsmath} 

I've tried the methods below, but none of them work properly.

Werner answered the questions for the standard classes. If you use scrbook or scrreprt (KOMA-script) the space before and after the chapter title is given by chapterheadstartvskip and chapterheadendvskip. These "lengths" are not defined as lengths, but as commands instead. To change the settings you must use renewcommand:

renewcommand*{chapterheadstartvskip}{vspace*{1cm}}

renewcommand*{chapterheadendvskip}{vspace{2cm}}

With KOMA-script version 3.16, a new interface was introduced to change the appearance of sectioning commands, including chapters. You can now do something like this

RedeclareSectionCommand[beforeskip=0pt,

afterskip=2cm]{chapter}

The default style for LaTeX's book class is quite generous with the whitespace on the page -- there's probably nothing wrong with your code.

One way to change the behavior of headings is to use the titlesec package, which allows you finegrained control over how all the levels of headings are displayed. For example, the following code in the preamble of the document would remove the whitespace above the chapter heading:

usepackage{titlesec}



titleformat{chapter}[display]

    {normalfonthugebfseries}{chaptertitlename thechapter}{20pt}{Huge}

titlespacing*{chapter}{0pt}{0pt}{40pt}

In the last line, the four measurements are the left, upper and lower spacing around the heading, respectively. The second one is normally 50pt; it was changed here to 0pt to remove the white space above the chapter heading completely.

This is the default behaviour of for chapter (and chapter*) in both book and report document class, so you're doing nothing wrong. This default length is 50pt.

You could use the etoolbox package to remove (or modify) the spacing above the chapter headings. Here's a minimal example that will work with either book or report document class:

documentclass{book}

usepackage{showframe}% http://ctan.org/pkg/showframe

usepackage{etoolbox}% http://ctan.org/pkg/etoolbox

makeatletter

patchcmd{@makechapterhead}{vspace*{50p@}}{}{}{}% Removes space above chapter head

patchcmd{@makeschapterhead}{vspace*{50p@}}{}{}{}% Removes space above chapter* head

makeatother

begin{document}

chapter{A chapter}

chapter*{Another chapter}

end{document}

patchcmd searches for vspace*{50p@} in both @makechapterhead and @makeschapterhead and replaces it with nothing, thereby removing the space. If you want to add a little space, you can insert something different as the replacement text. For example

patchcmd{@makechapterhead}{vspace*{50p@}}{vspace*{20pt}}{}{}%

patchcmd{@makeschapterhead}{vspace*{50p@}}{vspace*{20pt}}{}{}%

will insert 20pt instead of the default 50pt.

showframe was added to show the frame of the text block and was merely used for illustrative purposes - you can remove this.

An alternative to this would be to use the titlesec package. However, in order to modify the chapter spacing (via titlespacing{chapter}...), you are also required to modify the chapter format (via titleformat{chapter}...). See the titlesec documentation for more information.

With the report class the space before a chapter title is 50pt. The easiest method for changing it is to patch the two relevant commands:

documentclass[a4paper,12pt,twoside]{report}

usepackage{amssymb}

usepackage{amsmath}



usepackage{setspace}

doublespacing 



%pagestyle{plain} % default for report



usepackage{etoolbox}

makeatletter

patchcmd{@makechapterhead}{50p@}{0pt}{}{}

patchcmd{@makeschapterhead}{50p@}{0pt}{}{}

makeatother



<rest of the preamble>



begin{document}



<the document>



end{document}

You can play with the figures: instead of 0pt you can put any dimension you want.

Note that there's no a4paper package; to get page parameters suitable for ISO A4 paper you need to specify a4paper as an option to documentclass.