| OCR Text |
Show 90 homogeneous standard The coordinate transformation distorts objects in parallel rays The typical geometric These projection. Zn=O that condition rays circles two edges shown in become the eye ellipses. silhouette after then are through involving performed are as make calculations perspective in edges The Z. into to perspective perspective defined the by simple figure 27. eye 27 Figure Transformation Perspective This has screen is in function a curved the The calculations. lighting concerns the problems two of, surface other among with of the vector. The perspective transformation preserve dot products. non-perspective space prblem concerns the points. If the the we cross use Thus for curve locations spaced. which to an of things, the of however, the in in "real" Consider ellipsoid these perspective in a perspective in in second iteration points space space sphere normals The remaining of dot not, evaluate definition the on direction does the spot a light lighting calculations. current inappropriately transforms must we positions section corresponding vector One case. intensity product normal After Edges Silhouette - on their will be real space space shown |
