Fix unicode
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@ -138,7 +138,7 @@ image size, to expedite the debugging process.
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To explore the effects of various scene parameters, you are advised to start by
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varying the values of just one viewing parameter at a time, such as: the eye
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position, the viewing direction, the direction of the ‘up’ vector, the vertical
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position, the viewing direction, the direction of the 'up' vector, the vertical
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field of view, the image aspect ratio, etc. Once you understand the effect of
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each parameter in isolation, you should experiment with combinations of changes,
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such as: co-varying the field of view and the proximity of the eye to the
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@ -164,7 +164,7 @@ cube.
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illustrate and explain your findings. In your writeup, be sure to specifically
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address each of these three points:
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- How does the apparent rotation of the scene with respect to the viewpoint
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change with changes in the direction of the ‘up’ vector?
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change with changes in the direction of the 'up' vector?
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- How do changes in the field of view settings affect the appearance of the
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scene in your rendered image?
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- How can the viewing parameters (e.g. the camera location, field of view
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