Luis Ibáñez Chafiaâ Hamitouche Christian Roux A Vectorial Algorithm for Tracing Discrete Straight Lines in N-Dimensional Generalized Grids. 97-108 2001 7 IEEE Trans. Vis. Comput. Graph. 2 http://www.computer.org/tvcg/tg2001/v0097abs.htm db/journals/tvcg/tvcg7.html#IbanezHR01