\documentclass[12pt]{geophysics}
\usepackage{color}
\usepackage{array}
\usepackage{bm}
\usepackage{amsmath}
\usepackage{amssymb}
\usepackage{amsfonts}
\usepackage{algorithmicx}
\usepackage{algorithm}
\usepackage{algpseudocode}
\usepackage{rplabels}
\setfigdir{Fig}
\begin{document}
\include{paper}
\end{document}