CSC151 2009F, Class 51: Project Assessment: Algorithms

Admin:
* Reading for Friday: Review the Reading on Objects
* Are there questions on the exam?
* EC for:
  * Latin-American Ensemble Performance on Saturday 7:30 in SL
  * Cool student summer computer vision research CS talk tomorrow (Thursday) 
    at 4:30 in 3821 
  * Community Choir, Friday, 7:30, Herrick
  * Dance Troupe Performances this week.  Check the Calendar
  * State of the College Address, The Pub, Thursday at time declared by
    all-campus email
  * Friday at 4:15 recitals in SL or ...
* EC checklist distributed next week
* Sam hopes to give you tentative grades after class on the last 
  day of class.

Overview:
* Exam Questions
* Debriefing from yesterday.
* Students discuss programming techniques.
* Sam shows off other code (maybe)

Exam Questions
* Can we talk a bit more about how trees are displayed in Scheme?
  * Why is (cons 'c (cons 'b 'a)) represented as (c b . a) and not
    (c . (b . a))?
  * Why do I get so many open parens in the following?
    > (tree-reverse (cons 'a (cons 'b (cons 'c (cons 'd 'e)))))
    ((((e . d) . c) . b) . a)
* What do you want for unit tests?
(begin-tests!)
...
(end-tests!)
---

Debriefing
* Artists are fairly serious when they look at stuff that claims to be 
  artwork
* Consideration of criteria for designing artwork
  * Formal criteria: Balance, color, etc.
  * Informatl: What causes the viewer to linger; we don't want stuff
    that the viewer looks at, says "I got it", and moves on
* If you could explain your intent, you seemed to do much better
  * And intent should not be "I wanted to use turtles"
* Even though these were 2D, the layering of the images seemed to be
  important
* Interaction of parts is important
* Conflict between assignment and what artist thoughtw as important
* Important role of experimentation
* A lot of discussion of positive and negative space
* Learning experience: Western vs. Eastern art
* There's no algorithm you can apply to say "This is good art"
  * Parts of it seem to be subjective
* Apparant prefernce of artist for monochromatic to those with a lot of
  color

Code to consider
* The origami-like shape 
* Drawing of curved lines
* String art in different shapes
* The "trig function background"

* Computation of the Mandlebrot set
* Some of the Sierpinski triangles