Efficient Hidden Line Removal for Surface Plots Utilising Raster Graphics
Graphic illustrations are frequently used in the course of scientific research to investigate the form of a function of one or more independent variables. The existence of a repeatable and systematic relationship is most readily verified by inspecting the graphical illustrations resulting from the outcome of suitably controlled experiments since they allow the large quantity of numerical data obtained to be presented in a form which is easy to comprehend. Whilst a two dimensional graphic medium naturally accomodates a function of one independent variable, some artifice will be necessary to accomodate functions of more than one independent variable.
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