[plt-scheme] Nifty assignment help

From: Matthias Felleisen (matthias at ccs.neu.edu)
Date: Wed Mar 18 10:33:15 EDT 2009

Thanks for the confirmation and I am happy to hear that your son once  
again enjoyed this. -- Matthias

On Mar 18, 2009, at 1:22 AM, Mark Engelberg wrote:

> Todd said:
>>> I could do these in the image teachpack using color-list->image,  
>>> but I
>>> suspect that would be remarkably slow.
> Matthias said:
>> Are you sure? Try first and do report.
> My son just did this project using color-list->image.  On our slowest
> computer, he can generate and render a 300x300 pixel color picture in
> about 7 seconds.  About half of this time is spent applying the
> complex, random functions to thousands of values, and half of this
> time is building the list and converting it to an image.  But this is
> certainly fast enough.
> He LOVED the project by the way.  He decided to leverage Scheme's
> ability to eval code represented as a list, and opted to build his
> random functions in this fashion.  For him, this project really
> showcased the elegance of the whole code-as-data aspect of Scheme.
> Thanks for suggesting this project,
> --Mark

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