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It is shown how the use of the Kerr-Schild coordinate system can greatlysimplify the formulation of the geodesic equation of the Schwarzschildsolution. An application of this formulation to the numerical computation ofthe aspect of a non-rotating black hole is presented. The generalization to thecase of the Kerr solution is presented too.Comment: 11 pages, 2 PostScript figures (available as uuencoded compressed tar  file), uses epsfig.tex). Accepted on February 1995 for publication in  Classical and Quantum Gravit

Short-cut method of solution of geodesic equations for Schwarzchild black hole