# exam1 - CSCE 4813 - Computer Graphics Midterm Exam - Fall...

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CSCE 4813 - Computer Graphics Midterm Exam - Fall 2008 Instructions: This is a 70 minute closed book exam. One 8.5 x 11 page of notes are allowed. Calculators can be used for numerical calculations only (not as electronic notebooks). Please write neatly and sign your name to your exam. Raise your hand if you have any questions. Name: ____________________ Geometric Objects (20 points) Assume that you have been hired to generate a geometric model of part of an automobile. The designer has said that the surface should have the same shape as z(x,y) = ax 2 + by, for x values between -5 and 5, and y values between -10 and 10. Describe how you would model this surface using 100 rectangular polygons. In particular, how would you calculate the (x,y,z) coordinates of the vertices of these polygons? Draw diagrams and write pseudo-code as necessary to explain your approach. In order to generate a realistic image of this surface, we need to know the surface normal N at each polygon vertex. Describe one method for calculating N at position

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## This note was uploaded on 12/01/2011 for the course CSCE 4813 taught by Professor Staff during the Spring '08 term at Arkansas.

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exam1 - CSCE 4813 - Computer Graphics Midterm Exam - Fall...

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