titlepage add a title in the middle of a graphics window

## Syntax

    titlepage(str)

## Arguments

str

  matrix of strings

## Description

`titlepage` displays the matrix of strings `str` in the middle of the current graphics window with a font as big as possible, depending on the current axes and its geometry.

## Examples

    titlepage("This is the title of the page");

titlepage("This is the title of the page");

    f=scf();
    a1=f.children;
    a1.margins(3)=0.61;
    a2=newaxes();
    a2.margins(4)=0.39;
    sca(a1);
    titlepage("Bottom title");
    sca(a2);
    titlepage("Top title");

f=scf(); a1=f.children; a1.margins(3)=0.61; a2=newaxes(); a2.margins(4)=0.39; sca(a1); titlepage("Bottom title"); sca(a2); titlepage("Top title");

## See also

- xtitle