{"id":1210,"date":"2010-05-25T13:02:51","date_gmt":"2010-05-25T17:02:51","guid":{"rendered":"http:\/\/orbittrap.ca\/?p=1210"},"modified":"2010-05-25T13:22:25","modified_gmt":"2010-05-25T17:22:25","slug":"a-knighthood-for-knighty","status":"publish","type":"post","link":"http:\/\/orbittrap.ca\/?p=1210","title":{"rendered":"A Knighthood for Knighty"},"content":{"rendered":"

I continue to dig through the treasure trove of fractal visions over at Fractalforums.com.\u00a0 In fact, lately it seems to me that the center of the fractal world has shifted to Fractalforums.com.\u00a0 It’s become the Paris\/Milan\/New York\/London\/Tokyo for new fractal fashions.\u00a0 Is there anything new and exciting in the fractal world right now that doesn’t have its roots in Fractalforums.com?<\/p>\n

\"\"<\/a>

Sequence, by Knighty 2010<\/p><\/div>\n

Although the obvious sequence<\/em> of parameter adjustments is what this image is all about, and I think it was posted merely as an illustration in a Fractalforums.com thread on Kaleidoscopic (escape-time) IFS<\/a> fractals (KIFS, for short), the color palette really makes this image much more than merely functional.\u00a0 I think Knighty realized this too since he’s used this same palette quite a bit.\u00a0 It’s one of the best I’ve seen on this new fractal frontier.<\/p>\n

[Knighty starts this new topic, May 1st, 2010<\/em>]<\/p>\n

Hello,
\nHere are some renderings of a class of fractals which I call “Kaleidoscopic IFS”. There is a big variations of shapes one can get with this method.
\nI began with this algorithm to get DE for symmetric Sierpinski tetrahedron:<\/p>\n

[From Fractalforums.com, Kaleidoscopic (escape time) IFS<\/a>]<\/em><\/p><\/blockquote>\n

Just like the early Mandelbox renderings by Tglad, the KIFS made by Knighty showed real graphical promise right from the first batch posted.\u00a0 Here’s one that of the first few that received quite a bit of praise:<\/p>\n

\"\"<\/a>

"last picture" by Knighty, 2010<\/p><\/div>\n

[Knighty responds to the initial comments:<\/em>]<\/p>\n

There are many other known fractals that may appear from nowhere. I’ve already met the Koch curve, cantor dust and others I don’t know the name. The variation of possible shapes, from geometric figures to organic forms, still amazes me. The possibilities are infinite\u00a0 \"wink\", not only by changing the parameters but also by changing the algorithm.<\/p>\n

What I’ve described in the O.P. is actually what I’ve explored so far. The main ingredients are the folding and the stretching, that is, kneading the space \"grin\". Then add some salt and spice. Seriously! In the case of this class of fractals, folding are done about planes and stretching is an homothety. The rotations may be the salt and spice. I realize now that one can insert as many rotations between the foldings. In principle other transformations than a rotation can be used (but I may be wrong). The nice thing with rotation (and other orthonormal transformations) is that the distance estimation remains very simple and the generated distance field is continuous. I guess because they don’t add stretching.<\/p>\n

I think the kneading process is what is done to generate escape time fractals in general… but this is a little bit off topic. I’ll start another thread.<\/p>\n

PS: Most ideas behind these fractals were found in this forum. \"wink\"<\/p>\n

[From Fractalforums.com, Kaleidoscopic (escape time) IFS<\/a>]<\/em><\/p><\/blockquote>\n

If you read the forum thread you’ll see that many other people get involved.\u00a0 In fact, according to Knighty’s remark, “PS: Most ideas behind these fractals were found in this forum”<\/em> there’s been a lot of collaboration going on already.\u00a0 The sort of group exchange of code and ideas which seems to be the hallmark on Fractalforums.com immediately starts to take place.\u00a0 In addition to the regular 3D fractal enthusiasts, the venerable Jos Leys (of 3D Kleinian<\/a> fame) joins in as well.\u00a0 Only a truly great knight would have so many squires and inspire so many others to join in his exploits.\u00a0 Is there an Order of Sierpinski?\u00a0 An iterated knighthood?<\/p>\n

Subblue<\/a> charges forth with these surprisingly monochromatic but still very exciting renderings:<\/p>\n

\"\"<\/a>

untitled by subblue, 2010<\/p><\/div>\n

\"\"<\/a>

untitled by subblue, 2010<\/p><\/div>\n

With more sublime renderings Knighty produced this family portrait of the Royal (3D)House of Sierpinski<\/a>:<\/p>\n

.\"\"<\/a>

Tetrahedra-Sierpinski-family by Knighty, 2010<\/p><\/div>\n

There’s more.\u00a0 In fact, you ought to just go over to the gallery section of Fractalforums.com and view Knighty’s Kaleidoscopic IFS section<\/a>.\u00a0 But here’s two of the more interesting ones so you don’t miss them:<\/p>\n

\"\"<\/a>

Pagode, by Knighty, 2010<\/p><\/div>\n

Pagode<\/em> is an interesting construction.\u00a0 Although a higher resolution rendering would probably be even more impresssive, even this small version shows the sort of intricately detailed and vividly rendered imagery that Knighty has discovered with his KIFS fractals.\u00a0 Like the Mandelbox, these KIFS are very creative in that they seem to have an almost endless number of variations depending on how one folds and twists the characteristics of the formula.<\/p>\n

\"\"<\/a>

Pandora_seashell by Knighty, 2010<\/p><\/div>\n

You know, I suppose if you’d seen this Pandora_seashell <\/em>lying on the lawn in your backyard you might just think it was a rotting leaf.\u00a0 But sometimes the “art” is in looking more closely at something that we’d otherwise, uh… step on.\u00a0 Art is on the boot of the beholder<\/em>.\u00a0 Math is a very natural thing and for that reason I think it’s easy to make assumptions about mathematical, or algorithmic<\/em>, imagery.\u00a0 Such as assuming that it’s repetitive or predictable.\u00a0 But I think Knighty’s recent discovery of these Kaleidoscopic IFS fractals shows that there’s still plenty of things to be discovered in this area (it only started at the beginning of this month, May 1st, 2010).\u00a0 Maybe there’s no end to all of this and this is merely the beginning?<\/p>\n

Well, it’s all happening over at Fractalforums.com<\/a>, so stay tuned to that forum if you want to catch the next great event in the fractal world.\u00a0 Perhaps some day all the rest of the fractal kingdom will be mere footnotes to Fractalforums.com.\u00a0 While Knighty and his other fellow members of the Round Table<\/a> feast on roast boar and crash their flagons together in an endless round of toasts and heroic tales of fractal exploits.<\/p>\n","protected":false},"excerpt":{"rendered":"

A review of the new Kaleidoscope (escape-time) IFS fractals posted to Fractalforums.com by the user Knighty. Superb coloring and seemingly endless variations of this formula make Knighty’s work well worth looking at as well as an inspiration to others like Subblue, some of whose work is also included. Continue reading →<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":1211,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1210","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/orbittrap.ca\/wp-content\/uploads\/2010\/05\/sequence.jpg?fit=500%2C750","jetpack-related-posts":[{"id":4027,"url":"http:\/\/orbittrap.ca\/?p=4027","url_meta":{"origin":1210,"position":0},"title":"Brother, can you spare $58?","author":"Tim","date":"31 October, 2012","format":false,"excerpt":"Fractalforums.com's owner, Christian Kleinhuis (aka Trifox) is attempting to put out another fractal art calendar this year.\u00a0 I reviewed last year's and called it, \"The Best Fractal Calendar Ever!\". 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