You need LaTeX <1995/06/01> and dvips. The two files a0poster.cls and a0size.sty must be copied in a directory where TeX scans for input files.
a0poster is activated simply with \usepackage{a0poster}.
The options:
| landscape | landscape format, is default |
| portrait | portrait format |
| a0b | "DIN A0 big" - that's a somewhat widened DIN A0 format that uses the printing width of HP Designjet 650C. That's also default. |
| a0 | DIN A0 |
| a1 | DIN A1 |
| a2 | DIN A2 |
| a3 | DIN A3 |
| draft | reduces the postscript output to DIN A4 size, so test printings can be made with ordinary DIN A4 printers. |
| final | makes postscript output in original size; is default. |
The following font sizes are available:
| \tiny | 12pt |
| \scriptsize | 14.4pt |
| \footnotesize | 17.28pt |
| \small | 20.74pt |
| \normalsize | 24.88pt |
| \large | 29.86pt |
| \Large | 35.83pt |
| \LARGE | 43pt |
| \huge | 51.6pt |
| \Huge | 61.92pt |
| \veryHuge | 74.3pt |
| \VeryHuge | 89.16pt |
| \VERYHuge | 107pt |
a0poster also takes care that in math formulas the symbols appear in the right size.
With the commands
latex dateiname
dvips dateiname
qprt -PPL dateiname.ps (or other print commands, depending on the system)
you can work and print as usual.
While TeXing a file a0header.ps is created which is read by dvips. This provides that the file is printed in the right size.
For colors, frames and so on I recommend pstricks (see the documentation)