From: owner-fractint-digest@lists.xmission.com (fractint-digest) To: fractint-digest@lists.xmission.com Subject: fractint-digest V1 #44 Reply-To: fractint-digest Sender: owner-fractint-digest@lists.xmission.com Errors-To: owner-fractint-digest@lists.xmission.com Precedence: bulk fractint-digest Thursday, December 25 1997 Volume 01 : Number 044 ---------------------------------------------------------------------- Date: Thu, 25 Dec 1997 02:58:29 -0500 From: Sylvie Gallet Subject: (fractint) quiet on Christmas eve Hi Jay, >> This is a test to see if the list is alive. Yes, it's alive! Thank you, Jay! - Sylvie (not sulking :-) ) - - - ------------------------------------------------------------ Thanks for using Fractint, The Fractals and Fractint Discussion List Post Message: fractint@xmission.com Get Commands: majordomo@xmission.com "help" Administrator: twegner@phoenix.net Unsubscribe: majordomo@xmission.com "unsubscribe fractint" ------------------------------ Date: Wed, 24 Dec 1997 22:54:12 -0800 From: "Ester" Subject: Re: (fractint) quiet on Christmas eve Hi fractint artists, This happened to me last night. The list returned 3 of my posts. So now tonight I get through. While I can, I will forward any on topic posts. If someone else like Janet will help, we may be able to continue through the holiday. For some of us this is a time we can get to our art, head-to-head { ; Monsters butting heads, Jay Hill 1997 reset=1960 type=manowarj center-mag=-0.682498/0.000145225/0.8167947/1/90 params=0.01/0 maxiter=253 inside=253 colors=000000<20>wKKzLLzLL<172>sqQsqQsq\ QrrRqqRppS<28>OOlMMmNNm<18>uuvwAw\ wwwUUU } Jay PS Paul is not getting through! - ---------- > From: Paul Derbyshire > To: ehill1@san.rr.com > Subject: Re: (fractint) quiet on Christmas eve > Date: Wednesday, December 24, 1997 10:11 PM > > > > >All is quiet on Christmas eve. So quiet that even the monsters > >are not speaking. Just sitting back to back sulking. > > > >This is a test to see if the list is alive. > > Technically, it is alive, because some people can post. But, most people > can't because some fool at xmission took advantage of Tim's absence to > monkey around with file permissions and the subscriber list or something. > This is apparent because most list users get a message saying permission > denied when they post to the list!!!!! > I have e-mailed the xmission postmaster, but the postmaster is refusing to > even receive the mail, to judge by my "undelivered after 4 hours" bounce. > And Tim seems to not have received my cc of the letter I sent the > postmaster asking what the hell was going on. > > > -- > .*. Friendship, companionship, love, and having fun are the reasons for > -() < life. All else; sex, money, fame, etc.; are just to get/express these. > `*' Send any and all mail with attachments to the hotmail address please. > Paul Derbyshire ao950@freenet.carleton.ca pgd73@hotmail.com - - - ------------------------------------------------------------ Thanks for using Fractint, The Fractals and Fractint Discussion List Post Message: fractint@xmission.com Get Commands: majordomo@xmission.com "help" Administrator: twegner@phoenix.net Unsubscribe: majordomo@xmission.com "unsubscribe fractint" ------------------------------ Date: Thu, 25 Dec 1997 07:16:31 EST From: Clamcake Subject: Re: (fractint) quiet on Christmas eve Jay, >This happened to me last night. The list returned 3 >of my posts. So now tonight I get through. While I >can, I will forward any on topic posts. If someone >else like Janet will help, we may be able to continue >through the holiday. For some of us this is a time >we can get to our art, Paul, Jay et al, I have had no trouble getting thru, so feel free to send anything here (Clamcake@aol.com), and I shall forward it to the list. Happy Holidays, Peter - - - ------------------------------------------------------------ Thanks for using Fractint, The Fractals and Fractint Discussion List Post Message: fractint@xmission.com Get Commands: majordomo@xmission.com "help" Administrator: twegner@phoenix.net Unsubscribe: majordomo@xmission.com "unsubscribe fractint" ------------------------------ Date: Thu, 25 Dec 1997 10:12:49 -0800 From: Wizzle Subject: (fractint) Joy to the Chef A friend sent me these delightful stories of cooking disasters.....I hope you and yours are having a lovely....and disaster free day THEY GOT MASHED, ALL RIGHT Pat Livingston of Dallas was married to "a big, physical fellow," she says. One day he volunteered to mash some potatoes that she had cooked in a pressure cooker. You know where this is going. "I overheard him in the kitchen grunting and shouting, 'I can't get this lid off, uggghhhh, uggghhhh,' " she says. "I heard a huge bang that sounded like the day the universe was born. I rushed to the kitchen, and there the big guy stood with the pressure cooker in one hand, the lid in the other, and steaming potatoes exploded onto more than half of the kitchen. We're talking the ceiling, walls, cupboards, stove, everywhere. I never knew potatoes could explode like that." ONE OVEN DESIGN THAT'S ABSOLUTELY DYNAMITE After watching Julia Child, Janice Kelly of Grand Praire was inspired to make an "authentic curry." Ms. Child recommended heating the coconut to facilitate removing the meat from the husk. "One rather vital bit of instruction I missed was to drain the milk from the coconut before heating," she says. "I put the coconut in the oven, set the timer and went off to a meeting. When that steam-powered bomb exploded, it blew the oven door off and spewed coconut milk about 10 feet in all directions! I returned to find the oven door dangling from one hinge. I cooked on that GE wall oven for another 20-plus years - all with a coconut-sized divot in the door." YEAH, WELL, AT LEAST THE ALMOND SLICES ARE GONE When Donna Graebner of Dallas was young, she and her sister watched their mother ice an angel food cake and sprinkle it with almond slices. Some fell into the hole in the cake's center. "Mom didn't want to cut into the cake in front of the guests only to find a mess of almond slices stacked up in the hole. So she got the hose to our vacuum cleaner and stuck it down the hole. As soon as we turned it on, almost all of the cake was sucked up into the vacuum cleaner. What a disaster. She had to pull the remains of the cake out . . . and wash out the hose. I don't remember what she ended up serving." AFTER THREE ROUNDS, BIRD CONCEDES DEFEAT Carrollton resident Estela DeLa Fuente had never cooked a turkey this big: 22 pounds. She rose at 5:30 a.m. to wash and stuff it, place it in a cooking bag and pop it in the oven. She was headed back to bed when she noted a "glow": The bag had ignited. She removed the turkey, pitched the bag, basted the bird and put it back in the oven. Only now its string cradle was dangling over the pan. "I peered into the oven to see a small flame eating its way up the string, much like you see a fuse burning toward a stick of dynamite in the movies!" she says. Out came the bird. Off came the string. An hour later, the smoke detector went off, waking everyone in the house. One of the wings had dripped fat, which caught on fire. "After the third fire, I wasn't sure whether I'd ever get the turkey to the table," she says. "But he did manage to get cooked and eaten, with a lot of good-natured teasing from everyone." AND FOR HER NEXT TRICK, SHE WILL LICK DRY ICE Dallas native Lynda Doty was making caramelized sugar for her family. "In an unthinking moment, I lifted the wooden spoon to take a quick taste of my delicious-smelling concoction (don't all good cooks taste as they create?)," she says. "The caramelized sugar adhered the wooden spoon to my tongue! There I stood, alone in my kitchen with a large wooden spoon dangling from my tongue, not knowing what step to take next, and all the while realizing that whatever I did, it would be wrong!" She finally loosened the spoon with ice water and butter. "The holiday went on as planned, although I did lose a few taste buds that day!" she says. "INSTANT" RECIPE FOR GUARANTEEING YOU NEVER EAT A POTATO AGAIN After moving here from Korea, Sue Chase decided that if others could cook, she could, too. She began with instant potatoes - "thinking that if they were instant, it would be easy to make," she says. The potatoes looked too moist, though, so she added another package of potatoes - which made the mixture too dry. "To make a long story short, after going to the store and purchasing two more boxes of instant potatoes, I had a pan of potatoes for an army mess tent. Since there were only four in our family, we ended up eating a variety of mashed potatoes (pancakes, croquettes, etc.) for the next seven days." NEXT TIME, WE RECOMMEND A HEARTFELT POEM Allen resident Angie Houghtlin's younger sister decided to bake her way to a young man's heart. The tool: chocolate cake. "My sister, who, to this day has absolutely no interest in cooking, and who still eats cereal for almost every meal, really outdid herself," she says. "When my brother and his friends sat down to cut the cake, therein lay a surprise. Not one of the eggs had been mixed into the batter. There they lay, in all their hard-cooked glory: whole and with yolks intact. She has never lived this down." IT'S FUDGE, I SWEAR IT IS Eager to impress her new husband, Michelle Padgett Perkus of Richardson decided to make her mother's fudge. She cooked the mixture until it was hot and bubbly but could not get it to the "soft ball" stage. Convinced the batch was bad and lacking a garbage disposal, Ms. Perkus did what many a young bride might do. "I dumped the hot fudge failure into the commode," she says. "The whole 4 cups of hot fudge splattered to the bottom of the commode, where it quickly formed a soft ball. When I tried to flush it, the brown gooey glob of fudge firmly attached itself to the bottom of the commode and refused to flush." Her husband came home. He laughed, she cried. "The worst part was having to spend many hours digging that fudge out of our commode with a spoon!" she says. THIS DIVINITY SURE DOES TASTE MIGHTY ... REGULAR It was back in the late 1930s that Thelma Hopkins' sister made one very unusual batch of divinity. "I can remember it and smell it like it was yesterday," Ms. Hopkins says. "We started to eat it and realized she had used Fletcher's Castoria (a strong Laxative) instead of vanilla. There were six of us kids so you know we didn't throw it away. We ate it. We passed each other on the way to the bathrrom, but we survived and laugh at it every so often." JACK FROST, GET OUT OF THE COUNTRY. ASAP. Dallas resident Jeannine Verinder has always liked the part of that song that goes, "chestnuts roasting on an open fire." "Several days before Christmas one year, I happened to notice chestnuts for sale in the produce section, so I bought some," she says. "My husband and I didn't have an 'open fire,' so I decided to roast them on an open cookie sheet in the oven. Was I ever surprised when the chestnuts started exploding. We spent hours cleaning those fibers off the inside of our oven." DRIVEWAY STILL SOLID AS A ROCK As a young bride, Jan Wallace of Mesquite didn't want guests to see her relying on a cookbook. When they arrived, "I hurriedly put away my cookbook," she says. "I remembered that the recipe for gravy called for one 'something' of flour and unfortunately I chose the word 'cup' to replace 'something' and added a cup of flour to the grease. I added and added and added milk and it was so thick we could have used it to pave the driveway." At her guests' suggestion, they skipped gravy altogether. MM-HMM, RIGHT. MEANWHILE, CHECK ON THE KID'S LIFE INSURANCE POLICY Virginia Davis of Dallas insists she is not stupid. No, she was simply young and inexperienced in the ways of canned ham. She stuck the can in the oven for just a "few minutes" to melt the gelatin around the edges. Then she forgot about it. Company arrived. "Just as our nephew passed the oven, it happened - the oven door flew open and the exploded ham flew out of the oven, missing the child's head by inches," she says. "As it hit the wall, the shredded ham was flung across the kitchen and was literally hanging from the ceiling. I remain extremely thankful that I did not kill my nephew with an exploding ham." THAT'S NO HAM, THAT'S MY ... John Lowrey was working days, his wife Mary nights. He came home one night and noticed an unfamiliar smell. He went into the kitchen and saw "something round" on the floor. "At first I thought that an intruder came into the apartment and killed my wife and cut her head off," he says. He turned on the kitchen light. "I saw 'stuff' hanging from the ceiling, curtains, walls and floor!" he recalls. "The oven door was open and there was a twisted thing on the floor. After calming down, I looked closer. The twisted thing was a ham can. The ball on the floor was an exploded ham and the 'stuff' all over was more ham." The instructions never said to remove the ham from the can, said the Mrs.; it just said "cook at 325 degrees." "You know, she was right," he says. THAT BARB ALWAYS WAS A LATE RISER Lynn Dickson's mother-in-law brought over her bread machine so that Ms. Dickson and her husband could try it out. She also brought a plastic bag of powdered milk, which she said would improve the flavor of the bread. Her husband tried it and made what seemed to be a perfect loaf. But he threw it away; he didn't like the crunchy texture. That evening, Ms. Dickson noticed that a small plastic bag containing the cremated ashes of her deceased sister, Barb, was missing from a table in the bedroom. "I had recently flown back from out of state following her funeral with her ashes in the bag until I could locate a suitable permanent container for them," she says. "When I questioned my husband as to where 'Barb' was, his eyes widened and with a grief-stricken look on his face, he exclaimed, 'You are not going to believe what I did! I put her in the bread!!' In a state of shock, I asked, 'All of her?' 'No,' he cried, 'Just two tablespoons!' " Unsure whether to laugh or cry, they finally began to laugh, knowing that Barb would enjoy the humor of this incredible story. "We thought of many humorous sayings at that point, such as 'Well, Barb always wanted to be rolling in the dough!' or 'Barb was so well-bred!' or 'Barb has truly risen!' " - - - ------------------------------------------------------------ Thanks for using Fractint, The Fractals and Fractint Discussion List Post Message: fractint@xmission.com Get Commands: majordomo@xmission.com "help" Administrator: twegner@phoenix.net Unsubscribe: majordomo@xmission.com "unsubscribe fractint" ------------------------------ Date: Thu, 25 Dec 1997 13:17:20 EST From: Clamcake Subject: (fractint) Par file test Hi, Just testing to see if I can properly send a par file; wouldn't mind if someone would check it and tell me if I am doing something wrong. It's a self-portrait; anyone know how to do a Marvin Martian? Peter Peter { reset=1960 type=magnet2m center-mag=+1.10562209776175500/-0.71953689897320260/703.3343/1/-62.499 params=0.1/0 float=y maxiter=1496 bailout=512 colors=000t0ev0ex0e000x0ev0ezzz000zzzzm0zOOxSSzWWz__zcczhhzmmzsszzz000zz\ zV0z<10>z0zzzz000zzzzzC<5>zzU<5>zzC000zzz000<190>000Z0e<2>e0ed0e<6>r0e } - - - ------------------------------------------------------------ Thanks for using Fractint, The Fractals and Fractint Discussion List Post Message: fractint@xmission.com Get Commands: majordomo@xmission.com "help" Administrator: twegner@phoenix.net Unsubscribe: majordomo@xmission.com "unsubscribe fractint" ------------------------------ Date: Thu, 25 Dec 1997 18:40:17 GMT From: falk.hueffner@student.uni-tuebingen.de (Falk Hueffner) Subject: Re: (fractint) High precision transcendental functions On Mon, 22 Dec 1997 02:10:11 -0500 (EST), you wrote: >I'm working on a high-precision math library that includes transcendental >functions: exp, log, arbitrary powers, roots, trig. >[...] >So, can anyone provide: > > * Iterative methods to converge quickly for all x to > * tan-1 x > * tanh-1 x > * sec-1 x > * sech-1 x > * ln x > * Information about whether my sin-1 and cos-1 Maclaurin series, or > those for sin, cos, exp can be improved upon (all are expanded about 0 > currently), or the Newton method for pi? Have you looked at the GNU gmp library? It's free with source and documentation and includes at least simple transcendental functions (I think). It is written in C and includes assembler code for many processors. There's also a C++ wrapper ("cln") for it that is, of course, much nicer to use because you have overloaded operators (really nice to write "z = z * z + c; when z is a 200-digit complex number :-). I thought about implementing a deep zoom fractal engine with it recently, because it includes algorithms for multiplication that are better than O(n^2) like fractint (O(n log n) and O(n) even, I think). Probably that would be useful only with *really* deep zooms, though... Falk - - - ------------------------------------------------------------ Thanks for using Fractint, The Fractals and Fractint Discussion List Post Message: fractint@xmission.com Get Commands: majordomo@xmission.com "help" Administrator: twegner@phoenix.net Unsubscribe: majordomo@xmission.com "unsubscribe fractint" ------------------------------ Date: Thu, 25 Dec 1997 14:12:27 -0500 From: davides Subject: Re: (fractint) Par file test At 01:17 PM 12/25/97 EST, you wrote: >Hi, >Just testing to see if I can properly send a par file; You can/did. Self portrait? :> Maybe just a tad less make up? :> davides@pipeline.com "Do Not Meddle In The Affairs Of Dragons For You Are Crunchy And Good With Ketchup" - - - ------------------------------------------------------------ Thanks for using Fractint, The Fractals and Fractint Discussion List Post Message: fractint@xmission.com Get Commands: majordomo@xmission.com "help" Administrator: twegner@phoenix.net Unsubscribe: majordomo@xmission.com "unsubscribe fractint" ------------------------------ Date: Thu, 25 Dec 1997 11:31:46 -0800 From: Wizzle Subject: (fractint) The Gift That Keeps Giving I'm having a lovely Christmas day taking a look at the par files from the contest.....a gift that keeps giving!!! Here is a take on Kerry Mitchell's variation on the contest formula par ....zoomed in...using one of my xmas color maps. I think Kerry's spiral is a winner!!! Thank heavens the entries were limited....sooooooooooooooooooooooo much material is still left to mine based on a single formula!!!!!!!! neat thought kerryxmas { ; my color map with a zoom on kerry's image reset=1950 type=formula formulafile=contest4.frm formulaname=contest4 center-mag=+0.32934339814122140/+0.00354219753242909/2.857051e+007/1.264 params=0/0 float=y maxiter=2048 inside=0 outside=atan colors=000XG5<13>xzc<13>KA0000<46>000330<17>000cA4<2>m53p42s21w00w64wD8w\ KC<5>xiOynQyrSzwUurS<8>885<15>3wU<15>0A4000<32>000304A00<15>w00<5>w0C<9>\ 6A0<7>1wU<15>0A03C2992<2>UA0VD2 } - - - ------------------------------------------------------------ Thanks for using Fractint, The Fractals and Fractint Discussion List Post Message: fractint@xmission.com Get Commands: majordomo@xmission.com "help" Administrator: twegner@phoenix.net Unsubscribe: majordomo@xmission.com "unsubscribe fractint" ------------------------------ Date: Thu, 25 Dec 1997 14:45:01 -0500 From: Sylvie Gallet Subject: (fractint) Xmas gift This is a MIME-encapsulated message - --e2faca14-7d5f-11d1-9cbf-00805feacc26 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Content-Disposition: inline Hi All, The attached zip contains pars for 28 images based on Contest4. Let me= know if you don't like attachments an I'll email you the text file. 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Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Dear List Readers- This is my first post to the list. I'm a relative fractalint newbie. Can someone please enlighten me on the following: Our local PBS station out of LA (KCET) recently aired a program on Fractals, hosted by Arthur C. Clark. I believe some of you saw it, as it was mentioned some posts past. In it, the developer/owner of Iterated Systems was interviewed. During his interview there was a demonstration of a software filter which was used on a severely data reduced (pixelated) image of a part of a parrots eye. By passing the data set through the filter one obtained a substantially enhanced image at seemingly higher resolution than the original low resolution image. Could some of you out there in the "know" on these sorts or subjects please comment on this. Historically, we have never been able to obtain high rez output from low rez input, regardless of the processing applied. You can't create "information" out of nowhere. But I suspect, due to the observed self-similarity exhibited in fractal images, using a "reverse fractal filter" (for lack of a better name), based on fractal mathematics, would result in output which probably resembles the original, rather than an exact recreation of it. Does anyone know if these processing techniques have ever been applied to astronomical observations, say image data from the Hubble Space Telescope? If one can recreate the parrots eye from a hand full of pixels, wouldn't it be possible to fractal process an image taken at the limits of an instruments capabilities and effectively multiply the power of that instrument 10's or 100's of times maybe 1000's of times? I apologize if I've posted this to the wrong newsgroup, but it seemed like a good first approximation. Please advise me of an alternate if one is aware that such exists. Dying to know (the ramifications are astounding) Richard - --------------531A8F6F5A639170B909F3E6 Content-Type: text/html; charset=us-ascii Content-Transfer-Encoding: 7bit Dear List Readers-

This is my first post to the list.  I'm a relative fractalint newbie.

Can someone please enlighten me on the following:

Our local PBS station out of LA (KCET) recently aired
 a program on Fractals, hosted by Arthur C. Clark.
I believe some of you saw it, as it was mentioned some posts past.

In it, the developer/owner of Iterated Systems was interviewed.  During his
interview there was a demonstration of a software filter which was
used on a severely data reduced (pixelated) image of a part of a
parrots eye.

By passing the data set through the filter one obtained a substantially
enhanced image at seemingly higher resolution than the original low resolution
image.

Could some of you out there in the "know" on these sorts or subjects
please comment on this.

Historically, we have never been able to obtain high rez output from
low rez input, regardless of the processing applied.  You can't create
"information" out of nowhere.

But I suspect, due to the observed self-similarity exhibited in fractal images,
using a "reverse fractal filter" (for lack of a better name), based on
fractal mathematics, would result in output which probably resembles the original,
rather than an exact recreation of it.  

Does anyone know if these processing techniques have ever been applied to astronomical observations, say image data from the Hubble Space Telescope?

If one can recreate the parrots eye from a hand full of pixels, wouldn't it be
possible to fractal process an image taken at the limits of an instruments
capabilities and effectively multiply the power of that instrument
10's or 100's of times maybe 1000's of times?

I apologize if I've posted this to the wrong newsgroup, but it seemed
like a good first approximation.  Please advise me of an alternate if one
is aware that such exists.
 

Dying to know (the ramifications are astounding)
Richard
 
  - --------------531A8F6F5A639170B909F3E6-- - - - ------------------------------------------------------------ Thanks for using Fractint, The Fractals and Fractint Discussion List Post Message: fractint@xmission.com Get Commands: majordomo@xmission.com "help" Administrator: twegner@phoenix.net Unsubscribe: majordomo@xmission.com "unsubscribe fractint" ------------------------------ Date: Thu, 25 Dec 1997 13:24:17 -0800 From: Jim Smith Subject: Re: (fractint) Joy to the Chef Happy Holidays to all in the Fractal Community. Jim & Family - -- Composed with TKMail v4.0b8. Debian Linux 1.3. ======================================================= Debian Linux! Where I REALLY went today! Jim Smith jim@oz.net http://www.oz.net/~jim/ Its only a hobby, only a hobby, only a.....ZZZZZ. - - - ------------------------------------------------------------ Thanks for using Fractint, The Fractals and Fractint Discussion List Post Message: fractint@xmission.com Get Commands: majordomo@xmission.com "help" Administrator: twegner@phoenix.net Unsubscribe: majordomo@xmission.com "unsubscribe fractint" ------------------------------ Date: Fri, 26 Dec 1997 14:10:47 +1300 From: "Morgan L. Owens" Subject: (fractint) Re: Returned mail: User unknown Hmm...I've already tried sending this twice, only to have it bounce back. Let's have another go... At 21:11 23/12/97 -0500, A M Kelley wrote: >I figured somebody would. I'm grateful, too...now I just have to hit the >delete key. I know newsgroups get spam, but since when do mailing lists >get huge porno ads?--Alice > >On Wed, 24 Dec 1997, Morgan L. Owens (that's me) wrote: > >> At 10:58 24/12/97 +1000, rrussell@boroondara.vic.gov.au wrote: >> > >> >Basicly it's an add. And probably should not have been sent to this list. >> > >> You ran it? >> >> You must be either very brave or foolhardy - or have some very good >> defences in your machine! >> Well, that too (these days I only bother jumping on Make Money Fast! scams); but I was thinking more of such wanton running of software of such dubious pedigree.... I dunno, Tim turns his back for five minutes and look what happens... Morgan L. Owens - - - ------------------------------------------------------------ Thanks for using Fractint, The Fractals and Fractint Discussion List Post Message: fractint@xmission.com Get Commands: majordomo@xmission.com "help" Administrator: twegner@phoenix.net Unsubscribe: majordomo@xmission.com "unsubscribe fractint" ------------------------------ Date: Fri, 26 Dec 1997 14:38:20 +1300 From: "Morgan L. Owens" Subject: Re: (fractint) Image Compression/Decompression >In it, the developer/owner of Iterated Systems was interviewed. During his >interview there was a demonstration of a software filter which was >used on a severely data reduced (pixelated) image of a part of a >parrots eye. > Michael Barnsely (the developer/owner) has written a book called "Fractals Everywhere" that covers the ground you're interested in. Iterated Systems has since bought algorithms for other extremely high data compression methods (weighted finite automata, etc.). >Historically, we have never been able to obtain high rez output from >low rez input, regardless of the processing applied. You can't create >"information" out of nowhere. > >But I suspect, due to the observed self-similarity exhibited in fractal >images, using a "reverse fractal filter" (for lack of a better name), based on >fractal mathematics, would result in output which probably resembles the >original, rather than an exact recreation of it. > Certainly, if you over-enlarge a portion of someone's skin in a portrait, you just see more skin - you do not start seeing skin cells! >Does anyone know if these processing techniques have ever been applied to >astronomical observations, say image data from the Hubble Space Telescope? > No doubt someone has applied them for their own use, but the data itself is stored in a lossless (noncompressed) FITS format. Even JPEG and GIF compression (one lossless, the other with a restricted palette) are too damaging to the data to be used for recording purposes. In fact, FITS files are not limited to two-dimensional images (one- and three-dimensional images are also common), and its headers can contain massive amounts of data - not just a description of how many images there are in the file, and the number of dimensions and bits per pixel each image has, but notes on what telescope took the photo, what instruments were attached, what wavelengths were gathered, what part of the sky is in view, catalogue numbers of any objects in the view, UTC timestamp... One reason for the aversion to compression in FITS images is the age of the format (it was designed to be conveniently stored on punched cards). FITS files are no doubt tarred and gzipped for archival purposes (perhaps with a summary of the header stored separately for indexing), but that is not strictly an image-compression issue. The other reason is that in astronomical photographs _every_ bit is considered significant data - considering the amount of effort that has gone into obtaining it, this is not surprising! > >If one can recreate the parrots eye from a hand full of pixels, wouldn't it be >possible to fractal process an image taken at the limits of an instruments >capabilities and effectively multiply the power of that instrument >10's or 100's of times maybe 1000's of times? > The extra "information" would still be fake. The results might look good, but they would be useless for research purposes. - - - ------------------------------------------------------------ Thanks for using Fractint, The Fractals and Fractint Discussion List Post Message: fractint@xmission.com Get Commands: majordomo@xmission.com "help" Administrator: twegner@phoenix.net Unsubscribe: majordomo@xmission.com "unsubscribe fractint" ------------------------------ Date: Thu, 25 Dec 1997 20:44:18 EST From: Clamcake Subject: (fractint) Quartz formula pars Hi, Three pars generated from two of Paul Derbyshire's Quartz formulas. For some really good ones download the par file on his web page. If you hate these, please tell me--I don't know what I'm doing and appreciate tips. Peter Moby-Dick { reset=1960 type=formula formulafile=quartz.frm formulaname=QuartzM1A center-mag=-0.113651/0.000666847/37.1196/1/90 params=0.25/0 float=y maxiter=256 inside=bof61 colors=cEHnED<8>cED000ztC<14>zzv<14>ztC000UUv<11>YFvZDvZCv_Av_Bv<13>UUv0\ 000uW<29>0uW000EEv<14>SSvSSvRRv<12>EEv000ncD<11>wfXxgZyg`zhbzha<13>ncD00\ 0zGC<14>z86z86z96<12>zGC000XAv<11>b3bb2ac1_d0Yd0Z<11>XAv009affehgdED<12>\ sEDuEDtED<3>pED } Balance { reset=1960 type=formula formulafile=quartz.frm formulaname=QuartzM1A center-mag=-0.09822952111982683/+0.00003178606902763/120.7837/1/-90 params=1.1/0.0001 float=y maxiter=1500 inside=zmag colors=cEH`6p<4>XAz00DafjehkdEH<12>sEHuEHtEH<13>cEH000ztG<14>zzz<14>ztG0\ 00UUz<11>YFzZDzZCz_Az_Bz<13>UUz0000u_<29>0u_000EEz<14>SSzSSzRRz<12>EEz00\ 0ncH<11>wf`xgbygdzhfzhe<13>ncH000zGG<14>z8Az8Az9A<12>zGG000XAz<11>b3fb2e\ c1cd0ad0b<5>`5n } Snowman { reset=1960 type=formula formulafile=quartz.frm formulaname=QuartzM2C center-mag=+0.01106853598744492/-0.00000309424178430/280.0579/1/90 params=0.1/0 float=y maxiter=256 inside=bof60 colors=cEH000ncH<11>wf`xgbygdzhfzhe<13>ncH000zGG<14>z8Az8Az9A<12>zGG000X\ Az<11>b3fb2ec1cd0ad0b<11>XAz00DafjehkdEH<12>sEHuEHtEH<13>cEH000ztG<14>zz\ z<14>ztG000UUz<11>YFzZDzZCz_Az_Bz<13>UUz0000u_<29>0u_000EEz<14>SSzSSzRRz\ <12>EEz } - ------------------------------------------------------------------------------ - ------------------------------------------- QuartzM2C { ; Mandelbrot set 2 sliced diagonally z=1: a=z*z b=z*a c=z*b z=(pixel+p1)*(3*c-4*b-6*a+12*z)+(pixel-p1), |z|<=127} - ------------------------------------------------------------------------------ - ------------------------------------------- QuartzM1A { ; Mandelbrot set 1 (critical point -1) sliced horizontally z=-1: a=z*z b=z*a c=z*b z=pixel*(3*c-4*b-6*a+12*z)+p1, |z|<=127} - - - ------------------------------------------------------------ Thanks for using Fractint, The Fractals and Fractint Discussion List Post Message: fractint@xmission.com Get Commands: majordomo@xmission.com "help" Administrator: twegner@phoenix.net Unsubscribe: majordomo@xmission.com "unsubscribe fractint" ------------------------------ End of fractint-digest V1 #44 *****************************