<html><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">
I wrote:<div><br><div><blockquote type="cite"><blockquote type="cite"><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">What part of "I wouldn't teach this in a beginning course" didn't get through? :-) The "cache-image" proposal is purely an optimization tool, not to be used until you've got a program that produces correct answers but too slowly. Most of my beginning students will never write an animation that complex, so they'll never need it.</div></blockquote></blockquote><div><br></div>and Marco replied:</div><div><br><blockquote type="cite"><blockquote type="cite"> </blockquote><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; min-height: 14px; ">Actually, none of it got through clearly. :-( I can only surmise that</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">you would only use cache-image for students not in a beginning course</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">or you would use it in courses for advanced students.</div></blockquote><div><br></div><div>Neither: I wasn't thinking of using it in a course at all. I was thinking of using it MYSELF to write teachpacks that I can then give to beginning students (but they'll never need to know that I used cache-image in writing it). And if a particularly sharp student were writing an unusually complex animation and running into efficiency issues, I would tell that student about it.</div><div><br></div><blockquote type="cite"><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">Perhaps it is just me, but I would rather introduce beginning</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">students, for example, to distributed computing using universe than</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">use universe to deepen understanding about image renditions and</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">thinking about the machine.</div></blockquote><div><br></div><div>No, it's not just you.</div><div><br></div></div></div><br><br><div> <span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0; "><div>Stephen Bloch</div><div><a href="mailto:sbloch@adelphi.edu">sbloch@adelphi.edu</a></div><div><br class="webkit-block-placeholder"></div></span><br class="Apple-interchange-newline"> </div><br></body></html>