<html><head><meta http-equiv="Content-Type" content="text/html; charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class="">Because triangles are convex they are guaranteed to be rendered correctly. Every modern graphics system whether hardware or software is based on using triangles as the basic element.<br class=""><div class="">
<div>__________<br class=""><br class="">Ed Angel<br class=""><br class="">Founding Director, Art, Research, Technology and Science Laboratory (ARTS Lab)<br class="">Professor Emeritus of Computer Science, University of New Mexico<br class=""><br class="">1017 Sierra Pinon<br class="">Santa Fe, NM 87501<br class="">505-984-0136 (home)<span class="Apple-tab-span" style="white-space: pre;"> </span> <span class="Apple-tab-span" style="white-space: pre;"> </span><a href="mailto:edward.angel@gmail.com" class="">edward.angel@gmail.com</a><br class="">505-453-4944 (cell) <span class="Apple-tab-span" style="white-space: pre;"> </span><span class="Apple-tab-span" style="white-space: pre;"> </span>http://www.cs.unm.edu/~angel<br class=""></div>
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<div><br class=""><blockquote type="cite" class=""><div class="">On May 13, 2020, at 7:28 PM, Frank Wimberly <<a href="mailto:wimberly3@gmail.com" class="">wimberly3@gmail.com</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div dir="auto" class="">I'm not Marcus but in finite element analysis the discretization of a 2 dimensional region is always done with triangles. It's much more flexible than rectangular grids, to oversimplify.<div dir="auto" class=""><br class=""></div><div dir="auto" class="">Frank<br class=""><br class=""><div data-smartmail="gmail_signature" dir="auto" class="">---<br class="">Frank C. Wimberly<br class="">140 Calle Ojo Feliz, <br class="">Santa Fe, NM 87505<br class=""><br class="">505 670-9918<br class="">Santa Fe, NM</div></div></div><br class=""><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Wed, May 13, 2020, 7:13 PM <<a href="mailto:thompnickson2@gmail.com" class="">thompnickson2@gmail.com</a>> wrote:<br class=""></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div lang="EN-US" link="blue" vlink="purple" class=""><div class="m_-5714568288218834261WordSection1"><p class="MsoNormal">Marcus, <u class=""></u><u class=""></u></p><p class="MsoNormal"><u class=""></u> <u class=""></u></p><p class="MsoNormal">Can you explain why the basic unit is a triangle?<u class=""></u><u class=""></u></p><p class="MsoNormal"><u class=""></u> <u class=""></u></p><p class="MsoNormal">Any Peircean would LOVE it. <u class=""></u><u class=""></u></p><p class="MsoNormal"><u class=""></u> <u class=""></u></p><p class="MsoNormal">n<u class=""></u><u class=""></u></p><p class="MsoNormal"><u class=""></u> <u class=""></u></p><div class=""><p class="MsoNormal">Nicholas Thompson<u class=""></u><u class=""></u></p><p class="MsoNormal">Emeritus Professor of Ethology and Psychology<u class=""></u><u class=""></u></p><p class="MsoNormal">Clark University<u class=""></u><u class=""></u></p><p class="MsoNormal"><a href="mailto:ThompNickSon2@gmail.com" target="_blank" rel="noreferrer" class=""><span style="color:#0563c1" class="">ThompNickSon2@gmail.com</span></a><u class=""></u><u class=""></u></p><p class="MsoNormal"><a href="https://wordpress.clarku.edu/nthompson/" target="_blank" rel="noreferrer" class=""><span style="color:#0563c1" class="">https://wordpress.clarku.edu/nthompson/</span></a><u class=""></u><u class=""></u></p><p class="MsoNormal"> <u class=""></u><u class=""></u></p><p class="MsoNormal"><u class=""></u> <u class=""></u></p></div><p class="MsoNormal"><u class=""></u> <u class=""></u></p><div class=""><div style="border:none;border-top:solid #e1e1e1 1.0pt;padding:3.0pt 0in 0in 0in" class=""><p class="MsoNormal"><b class="">From:</b> Friam <<a href="mailto:friam-bounces@redfish.com" target="_blank" rel="noreferrer" class="">friam-bounces@redfish.com</a>> <b class="">On Behalf Of </b>Marcus Daniels<br class=""><b class="">Sent:</b> Wednesday, May 13, 2020 6:00 PM<br class=""><b class="">To:</b> The Friday Morning Applied Complexity Coffee Group <<a href="mailto:friam@redfish.com" target="_blank" rel="noreferrer" class="">friam@redfish.com</a>><br class=""><b class="">Subject:</b> Re: [FRIAM] PSC Tornado Visualization (2008) [720p] - YouTube<u class=""></u><u class=""></u></p></div></div><p class="MsoNormal"><u class=""></u> <u class=""></u></p><p class="MsoNormal">Check out that WaPost article for the state-of-the-art. (The new Unreal Engine.)<u class=""></u><u class=""></u></p><p class="MsoNormal"><u class=""></u> <u class=""></u></p><div style="border:none;border-top:solid #b5c4df 1.0pt;padding:3.0pt 0in 0in 0in" class=""><p class="MsoNormal"><b class=""><span style="font-size: 12pt;" class="">From: </span></b><span style="font-size: 12pt;" class="">Friam <<a href="mailto:friam-bounces@redfish.com" target="_blank" rel="noreferrer" class="">friam-bounces@redfish.com</a>> on behalf of Angel Edward <<a href="mailto:edward.angel@gmail.com" target="_blank" rel="noreferrer" class="">edward.angel@gmail.com</a>><br class=""><b class="">Reply-To: </b>The Friday Morning Applied Complexity Coffee Group <<a href="mailto:friam@redfish.com" target="_blank" rel="noreferrer" class="">friam@redfish.com</a>><br class=""><b class="">Date: </b>Wednesday, May 13, 2020 at 4:58 PM<br class=""><b class="">To: </b>The Friday Morning Applied Complexity Coffee Group <<a href="mailto:friam@redfish.com" target="_blank" rel="noreferrer" class="">friam@redfish.com</a>><br class=""><b class="">Subject: </b>Re: [FRIAM] PSC Tornado Visualization (2008) [720p] - YouTube<u class=""></u><u class=""></u></span></p></div><div class=""><p class="MsoNormal"><u class=""></u> <u class=""></u></p></div><p class="MsoNormal">I vaguely remember plot 3d. No one renders today the way it did. Cray was less than a PC with a decent graphics card. <u class=""></u><u class=""></u></p><div class=""><p class="MsoNormal"><u class=""></u> <u class=""></u></p></div><div class=""><p class="MsoNormal">Ed<u class=""></u><u class=""></u></p><div class=""><div class=""><p class="MsoNormal">__________<br class=""><br class="">Ed Angel<br class=""><br class="">Founding Director, Art, Research, Technology and Science Laboratory (ARTS Lab)<br class="">Professor Emeritus of Computer Science, University of New Mexico<br class=""><br class="">1017 Sierra Pinon<br class="">Santa Fe, NM 87501<br class="">505-984-0136 (home)<span class="m_-5714568288218834261apple-tab-span"> </span> <span class="m_-5714568288218834261apple-tab-span"> </span><a href="mailto:edward.angel@gmail.com" target="_blank" rel="noreferrer" class="">edward.angel@gmail.com</a><br class="">505-453-4944 (cell) <span class="m_-5714568288218834261apple-tab-span"> </span> <a href="http://www.cs.unm.edu/~angel" target="_blank" rel="noreferrer" class="">http://www.cs.unm.edu/~angel</a><u class=""></u><u class=""></u></p></div></div><div class=""><p class="MsoNormal" style="margin-bottom:12.0pt"><u class=""></u> <u class=""></u></p><blockquote style="margin-top:5.0pt;margin-bottom:5.0pt" class=""><div class=""><p class="MsoNormal">On May 13, 2020, at 5:51 PM, Frank Wimberly <<a href="mailto:wimberly3@gmail.com" target="_blank" rel="noreferrer" class="">wimberly3@gmail.com</a>> wrote:<u class=""></u><u class=""></u></p></div><p class="MsoNormal"><u class=""></u> <u class=""></u></p><div class=""><div class=""><p class="MsoNormal" style="margin-bottom:12.0pt">Let me revise that a little bit. There was a visualization of the rider's view of a roller coaster ride that ran on a Cray supercomputer. The purpose was to demonstrate the capability and speed of a Lisp-based 3D renderer called Plot-3D or P3D or something similar. Do you know what I'm talking about, Ed?<u class=""></u><u class=""></u></p><div class=""><p class="MsoNormal">---<br class="">Frank C. Wimberly<br class="">140 Calle Ojo Feliz, <br class="">Santa Fe, NM 87505<br class=""><br class="">505 670-9918<br class="">Santa Fe, NM<u class=""></u><u class=""></u></p></div></div><p class="MsoNormal"><u class=""></u> <u class=""></u></p><div class=""><div class=""><p class="MsoNormal">On Wed, May 13, 2020, 5:31 PM <<a href="mailto:thompnickson2@gmail.com" target="_blank" rel="noreferrer" class="">thompnickson2@gmail.com</a>> wrote:<u class=""></u><u class=""></u></p></div><blockquote style="border:none;border-left:solid #cccccc 1.0pt;padding:0in 0in 0in 6.0pt;margin-left:4.8pt;margin-top:5.0pt;margin-right:0in;margin-bottom:5.0pt" class=""><div class=""><div class=""><p class="MsoNormal">Thanks, Frank. <u class=""></u><u class=""></u></p><p class="MsoNormal"> <u class=""></u><u class=""></u></p><p class="MsoNormal">NIck<u class=""></u><u class=""></u></p><p class="MsoNormal"> <u class=""></u><u class=""></u></p><p class="MsoNormal">Nicholas Thompson<u class=""></u><u class=""></u></p><p class="MsoNormal">Emeritus Professor of Ethology and Psychology<u class=""></u><u class=""></u></p><p class="MsoNormal">Clark University<u class=""></u><u class=""></u></p><p class="MsoNormal"><a href="mailto:ThompNickSon2@gmail.com" target="_blank" rel="noreferrer" class=""><span style="color:#0563c1" class="">ThompNickSon2@gmail.com</span></a><u class=""></u><u class=""></u></p><p class="MsoNormal"><a href="https://wordpress.clarku.edu/nthompson/" target="_blank" rel="noreferrer" class=""><span style="color:#0563c1" class="">https://wordpress.clarku.edu/nthompson/</span></a><u class=""></u><u class=""></u></p><p class="MsoNormal"> <u class=""></u><u class=""></u></p><p class="MsoNormal"> <u class=""></u><u class=""></u></p><div style="border:none;border-top:solid #e1e1e1 1.0pt;padding:3.0pt 0in 0in 0in" class=""><p class="MsoNormal"><b class="">From:</b> Friam <<a href="mailto:friam-bounces@redfish.com" target="_blank" rel="noreferrer" class="">friam-bounces@redfish.com</a>> <b class="">On Behalf Of </b>Frank Wimberly<br class=""><b class="">Sent:</b> Wednesday, May 13, 2020 3:35 PM<br class=""><b class="">To:</b> The Friday Morning Applied Complexity Coffee Group <<a href="mailto:friam@redfish.com" target="_blank" rel="noreferrer" class="">friam@redfish.com</a>><br class=""><b class="">Subject:</b> Re: [FRIAM] PSC Tornado Visualization (2008) [720p] - YouTube<u class=""></u><u class=""></u></p></div><p class="MsoNormal"> <u class=""></u><u class=""></u></p><div class=""><p class="MsoNormal" style="margin-bottom:12.0pt">You should take it seriously but I'm biased. I don't think PSC let's its supercomputers be used for eye candy. They didn't when I worked there and they were accountable to NSF.<u class=""></u><u class=""></u></p><div class=""><p class="MsoNormal">---<br class="">Frank C. Wimberly<br class="">140 Calle Ojo Feliz, <br class="">Santa Fe, NM 87505<br class=""><br class="">505 670-9918<br class="">Santa Fe, NM<u class=""></u><u class=""></u></p></div></div><p class="MsoNormal"> <u class=""></u><u class=""></u></p><div class=""><div class=""><p class="MsoNormal">On Wed, May 13, 2020, 3:26 PM <<a href="mailto:thompnickson2@gmail.com" target="_blank" rel="noreferrer" class="">thompnickson2@gmail.com</a>> wrote:<u class=""></u><u class=""></u></p></div><blockquote style="border:none;border-left:solid #cccccc 1.0pt;padding:0in 0in 0in 6.0pt;margin-left:4.8pt;margin-top:5.0pt;margin-right:0in;margin-bottom:5.0pt" class=""><div class=""><div class=""><p class="MsoNormal">Dear Phellow Phriammers, <u class=""></u><u class=""></u></p><p class="MsoNormal">Is this eyecandy, or should I take it seriously?<u class=""></u><u class=""></u></p><p class="MsoNormal"><a href="https://www.youtube.com/watch?v=0gQutQQiuAI&feature=youtu.be" target="_blank" rel="noreferrer" class="">https://www.youtube.com/watch?v=0gQutQQiuAI&feature=youtu.be</a> <u class=""></u><u class=""></u></p></div></div><p class="MsoNormal">.-. .- -. -.. --- -- -..-. -.. --- - ... -..-. .- -. -.. -..-. -.. .- ... .... . ...<br class="">FRIAM Applied Complexity Group listserv<br class="">Zoom Fridays 9:30a-12p Mtn GMT-6 <a href="http://bit.ly/virtualfriam" target="_blank" rel="noreferrer" class="">bit.ly/virtualfriam</a><br class="">unsubscribe <a href="http://redfish.com/mailman/listinfo/friam_redfish.com" target="_blank" rel="noreferrer" class="">http://redfish.com/mailman/listinfo/friam_redfish.com</a><br class="">archives: <a href="http://friam.471366.n2.nabble.com/" target="_blank" rel="noreferrer" class="">http://friam.471366.n2.nabble.com/</a><br class="">FRIAM-COMIC <a href="http://friam-comic.blogspot.com/" target="_blank" rel="noreferrer" class="">http://friam-comic.blogspot.com/</a> <u class=""></u><u class=""></u></p></blockquote></div></div></div><p class="MsoNormal">.-. .- -. -.. --- -- -..-. -.. --- - ... -..-. .- -. -.. -..-. -.. .- ... .... . ...<br class="">FRIAM Applied Complexity Group listserv<br class="">Zoom Fridays 9:30a-12p Mtn GMT-6 <a href="http://bit.ly/virtualfriam" target="_blank" rel="noreferrer" class="">bit.ly/virtualfriam</a><br class="">unsubscribe <a href="http://redfish.com/mailman/listinfo/friam_redfish.com" target="_blank" rel="noreferrer" class="">http://redfish.com/mailman/listinfo/friam_redfish.com</a><br class="">archives: <a href="http://friam.471366.n2.nabble.com/" target="_blank" rel="noreferrer" class="">http://friam.471366.n2.nabble.com/</a><br class="">FRIAM-COMIC <a href="http://friam-comic.blogspot.com/" target="_blank" rel="noreferrer" class="">http://friam-comic.blogspot.com/</a> <u class=""></u><u class=""></u></p></blockquote></div><p class="MsoNormal">.-. .- -. -.. --- -- -..-. -.. --- - ... -..-. .- -. -.. -..-. -.. .- ... .... . ...<br class="">FRIAM Applied Complexity Group listserv<br class="">Zoom Fridays 9:30a-12p Mtn GMT-6 <a href="http://bit.ly/virtualfriam" target="_blank" rel="noreferrer" class="">bit.ly/virtualfriam</a><br class="">unsubscribe <a href="http://redfish.com/mailman/listinfo/friam_redfish.com" target="_blank" rel="noreferrer" class="">http://redfish.com/mailman/listinfo/friam_redfish.com</a><br class="">archives: <a href="http://friam.471366.n2.nabble.com/" target="_blank" rel="noreferrer" class="">http://friam.471366.n2.nabble.com/</a><br class="">FRIAM-COMIC <a href="http://friam-comic.blogspot.com/" target="_blank" rel="noreferrer" class="">http://friam-comic.blogspot.com/</a> <u class=""></u><u class=""></u></p></div></blockquote></div><p class="MsoNormal"><u class=""></u> <u class=""></u></p></div></div></div>.-. .- -. -.. --- -- -..-. -.. --- - ... -..-. .- -. -.. -..-. -.. .- ... .... . ...<br class="">
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