Geometric Modeling is the part of Computer Graphics that deals with the methods and algorithms needed to
represent shapes usually in either 2D or 3D. In this class we will look at several of these algorithms as well as the math behind them and
how to actually implement these algorithms on a computer using OpenGL. We will begin the semester by looking at curves and surfaces original used by the auto industry to specify shapes of cars. Namely, we'll look at Bezier Curves, B-Splines as well as surfaces and NURBS. We will then consider algorithms related to different mesh representations. We will then discuss visible surface algorithms, Voronoi Diagrams and Delauney Triangulations. We will also look at how to implement scene graphs using BSPs. We will conclude the semester talking about geodesics (curves) on surfaces. Student learning outcomes for this course are as follows (based on the departmental canonical syllabus). By the end of this semester a student should be able to: (1) Implement splines, (2) Derive point positions from different curve representations, (3) Implement different methods of curve subdivision, (4) Implement different methods of surface subdivision, (5) Implement different methods of representing surfaces, (6) Know the advantages and disadvantages of different mesh representations, (7) Understand and use scene graphs, (8) Implement Voronoi diagrams and Delaunay triangulations, (9) Implement and use BSP trees, (10) Create computer models of geodesics.

Below is a tentative time table for when we'll do things this quarter:

Grades will be calculated in the following manner: The person or persons with the
highest aggregate score
will receive an A+. A score of 55 will be
the cut-off for a C-. The region between
this high and low score will be
divided into eight equal-sized regions. From the top region to the low region,
a score falling within a region
receives the grade: A, A-, B+, B, B-, C+, C, C-. If the boundary between an
A and an A- is 85, then the score
85 counts as an A-. Scores below 55 but above 50 receive the grade D.
Those below 50 receive the
grade F.

If you do better than
an A- in this class and want me to write you a letter of recommendation, I will generally
be willing provided
you ask me within two years of taking my course.
Be advised that I write better letters if I know you to some degree.

This semester we will have four homeworks, weekly quizzes, and a larger scale project. Every Tuesday this semester, except the first day of class, the Midterm Day, and Spring Break; there will be a quiz on the previous week's material. The answer to the quiz will either be multiple choice or true-false, and will basically make sure you reviewed the previous weeks notes. Each quiz is worth a maximum of 1pt. Out of the total of thirteen quizzes this semester, I will keep your ten best scores.

I will try to keep the homeworks relatively short this semester. Their intent is to get people to experiment with the various algorithms we'll learn to do geometric modeling. In addition to the homeworks, there will a larger scale project that people are expected to complete by the end of the semester. For this project, students will have to turn in progress reports and demo their code throughout the semester. On the last day of class, there will be a demo day where people show off their work to their peers.

Links to the current list of homeworks, quizzes, and projects can be found on the left hand frame of the class homepage. After an homework has been returned a link to its solution (based on the best student solutions) will be placed off the homework page. Material from assignments may appear on midterms and
finals. Since the class size is small this semester, homeworks for the class should be done **individually**. You can discuss homeworks at a high level but you should not look at other students' code or copy code from other sources unless approved by the instructor.
Homeworks for this class will be submitted and returned completely electronically. To submit an assignment click on the submit homework
link for your section on the left hand side of the homepage and filling out the on-line
form. Hardcopies or e-mail versions of your assignments will be rejected and not receive
credit. Homeworks will always be due by the start of class on
the day their due. Late homeworks will not be accepted and missed quizzes cannot be made up; however, your lowest score amongst the four homeworks and your quiz total will be dropped.

When doing the programming part of an assignment please make sure to adhere to the
specification given as closely as possible. Names of files should be as given, etc.
Failure to follow the specification may result in your homework not being graded and
you receiving a zero for your work.

The midterms will be during class time on:
Mar 16.

The final will be: 2:45-5:00pm, Monday, May 24.

All exams are closed book,
closed notes and in this classroom. You will
be allowed only the test and your pen or pencil on your desk during these
exams. Beeper or cell-phone interruptions will result in immediate excusal
from the test. The final will
cover material from the whole quarter although there will be an emphasis on
material after the last midterm. No make ups will be given. The final exam
may be scaled to replace a midterm grade if it was missed under provably
legitimate circumstances. These exams will test whether or not you
have mastered the material both presented in
class or assigned as homework during the quarter. My exams usually consist
of a series of essay style questions. I try to avoid
making tricky problems. The week before each exam I will give out a
list of problems representative of the level of difficulty of problems the
student will be expected to answer on the exam. Any disputes concerning
grades on exams should be directed to me, Professor Pollett.

Specifically, for this class, you should obviously not cheat on tests. For homeworks,
you should not discuss or share code or problem solutions between groups!
At a minimum a 0 on the assignment or test will be given. A student
caught using resources like Rent-a-coder will receive
an F for the course and be referred to University for disciplinary action.

The campus policy to ensure compliance with the Americans with Disabilities Act is:

"If you need course adaptations or accommodations because of a disability, or if you need special arrangements in case the building must be evacuated, please make an
appointment with me as soon as possible, or see me during office hours. Presidential Directive 97-03 requires that students with disabilities register with DRC to
establish a record of their disability."

More information about SJSU policies and procedures can be found at the following links: