I see; I see. Thx/
Nicholas Thompson Emeritus Professor of Ethology and Psychology Clark University <mailto:thompnicks...@gmail.com> thompnicks...@gmail.com <https://wordpress.clarku.edu/nthompson/> https://wordpress.clarku.edu/nthompson/ From: Friam <friam-boun...@redfish.com> On Behalf Of Steven A Smith Sent: Wednesday, May 13, 2020 9:17 PM To: friam@redfish.com Subject: Re: [FRIAM] PSC Tornado Visualization (2008) [720p] - YouTube some quads are not... think boomarang-like... I think there is a technical term for that class of quad... also think if a "bowtie", also technically a quad but potentially having "negative area". On 5/13/20 9:13 PM, thompnicks...@gmail.com <mailto:thompnicks...@gmail.com> wrote: And quadralaterals aren't convex? I don't get it. Nicholas Thompson Emeritus Professor of Ethology and Psychology Clark University <mailto:thompnicks...@gmail.com> thompnicks...@gmail.com <https://wordpress.clarku.edu/nthompson/> https://wordpress.clarku.edu/nthompson/ From: Friam <mailto:friam-boun...@redfish.com> <friam-boun...@redfish.com> On Behalf Of Angel Edward Sent: Wednesday, May 13, 2020 7:40 PM To: The Friday Morning Applied Complexity Coffee Group <mailto:friam@redfish.com> <friam@redfish.com> Subject: Re: [FRIAM] PSC Tornado Visualization (2008) [720p] - YouTube 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. __________ Ed Angel Founding Director, Art, Research, Technology and Science Laboratory (ARTS Lab) Professor Emeritus of Computer Science, University of New Mexico 1017 Sierra Pinon Santa Fe, NM 87501 505-984-0136 (home) edward.an...@gmail.com <mailto:edward.an...@gmail.com> 505-453-4944 (cell) http://www.cs.unm.edu/~angel On May 13, 2020, at 7:28 PM, Frank Wimberly <wimber...@gmail.com <mailto:wimber...@gmail.com> > wrote: 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. Frank --- Frank C. Wimberly 140 Calle Ojo Feliz, Santa Fe, NM 87505 505 670-9918 Santa Fe, NM On Wed, May 13, 2020, 7:13 PM <thompnicks...@gmail.com <mailto:thompnicks...@gmail.com> > wrote: Marcus, Can you explain why the basic unit is a triangle? Any Peircean would LOVE it. n Nicholas Thompson Emeritus Professor of Ethology and Psychology Clark University <mailto:thompnicks...@gmail.com> thompnicks...@gmail.com <https://wordpress.clarku.edu/nthompson/> https://wordpress.clarku.edu/nthompson/ From: Friam <friam-boun...@redfish.com <mailto:friam-boun...@redfish.com> > On Behalf Of Marcus Daniels Sent: Wednesday, May 13, 2020 6:00 PM To: The Friday Morning Applied Complexity Coffee Group <friam@redfish.com <mailto:friam@redfish.com> > Subject: Re: [FRIAM] PSC Tornado Visualization (2008) [720p] - YouTube Check out that WaPost article for the state-of-the-art. (The new Unreal Engine.) From: Friam <friam-boun...@redfish.com <mailto:friam-boun...@redfish.com> > on behalf of Angel Edward <edward.an...@gmail.com <mailto:edward.an...@gmail.com> > Reply-To: The Friday Morning Applied Complexity Coffee Group <friam@redfish.com <mailto:friam@redfish.com> > Date: Wednesday, May 13, 2020 at 4:58 PM To: The Friday Morning Applied Complexity Coffee Group <friam@redfish.com <mailto:friam@redfish.com> > Subject: Re: [FRIAM] PSC Tornado Visualization (2008) [720p] - YouTube I vaguely remember plot 3d. No one renders today the way it did. Cray was less than a PC with a decent graphics card. Ed __________ Ed Angel Founding Director, Art, Research, Technology and Science Laboratory (ARTS Lab) Professor Emeritus of Computer Science, University of New Mexico 1017 Sierra Pinon Santa Fe, NM 87501 505-984-0136 (home) edward.an...@gmail.com <mailto:edward.an...@gmail.com> 505-453-4944 (cell) http://www.cs.unm.edu/~angel On May 13, 2020, at 5:51 PM, Frank Wimberly <wimber...@gmail.com <mailto:wimber...@gmail.com> > wrote: 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? --- Frank C. Wimberly 140 Calle Ojo Feliz, Santa Fe, NM 87505 505 670-9918 Santa Fe, NM On Wed, May 13, 2020, 5:31 PM <thompnicks...@gmail.com <mailto:thompnicks...@gmail.com> > wrote: Thanks, Frank. NIck Nicholas Thompson Emeritus Professor of Ethology and Psychology Clark University <mailto:thompnicks...@gmail.com> thompnicks...@gmail.com <https://wordpress.clarku.edu/nthompson/> https://wordpress.clarku.edu/nthompson/ From: Friam <friam-boun...@redfish.com <mailto:friam-boun...@redfish.com> > On Behalf Of Frank Wimberly Sent: Wednesday, May 13, 2020 3:35 PM To: The Friday Morning Applied Complexity Coffee Group <friam@redfish.com <mailto:friam@redfish.com> > Subject: Re: [FRIAM] PSC Tornado Visualization (2008) [720p] - YouTube 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. --- Frank C. Wimberly 140 Calle Ojo Feliz, Santa Fe, NM 87505 505 670-9918 Santa Fe, NM On Wed, May 13, 2020, 3:26 PM <thompnicks...@gmail.com <mailto:thompnicks...@gmail.com> > wrote: Dear Phellow Phriammers, Is this eyecandy, or should I take it seriously? https://www.youtube.com/watch?v=0gQutQQiuAI <https://www.youtube.com/watch?v=0gQutQQiuAI&feature=youtu.be> &feature=youtu.be .-. .- -. -.. --- -- -..-. -.. --- - ... -..-. .- -. -.. -..-. -.. .- ... .... . ... FRIAM Applied Complexity Group listserv Zoom Fridays 9:30a-12p Mtn GMT-6 bit.ly/virtualfriam <http://bit.ly/virtualfriam> unsubscribe http://redfish.com/mailman/listinfo/friam_redfish.com archives: http://friam.471366.n2.nabble.com/ FRIAM-COMIC http://friam-comic.blogspot.com/ .-. .- -. -.. --- -- -..-. -.. --- - ... -..-. .- -. -.. -..-. -.. .- ... .... . ... 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