\documentclass[final,t]{beamer}
\mode<presentation>
{
\usetheme{Berlin}
}
\usepackage[orientation=landscape,size=a1,scale=1,debug]{beamerposter}
\usepackage{lipsum} % for dummy text
\usepackage{graphicx} % for dummy image
\usepackage{tikz} % for tikzpicture
\usepackage{pgfplot...