Titlebook: High-resolution Computer Graphics Using FORTRAN 77; Ian O. Angell,Gareth Griffith Textbook 1987Latest edition Ian O. Angell and Gareth Gri

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Three-dimensional Co-ordinate Geometry, Cartesian co-ordinate geometry. (For further reading we recommend books by Cohn (1961) and McCrae (1953)). As in two-dimensional space, we arbitrarily fix a point in the space, named the . (origin for short). We then imagine three mutually perpendicular lines through this point, each line extending

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Matrix Representation of Transformations in Three-dimensional Space,tep before we are able to proceed to projections of three-dimensional space onto the necessarily two-dimensional graphics viewport. As in the lower dimension, there are three basic transformations: translation of origin, change of scale and axes rotation; we will ignore all other transformations suc

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The Observer and the Orthographic Projection,aw how to construct a model of a three-dimensional scene in ACTUAL position. In this chapter we consider observing the scene and the display of a corresponding view. The display of the scene is co-ordinated by routine DRAWIT which may take a number of different forms, depending on the type of image

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Generation of Model Data,ene via construction routines, some using input or DATA statements. Then the vertices are transformed into the OBSERVED position, and the routine DRAWIT is called to display the scene. In the following chapters we will give a number of different types of DRAWIT, PROJEC and facet display routines, de

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