August 2005 - Fractint - mailman.xmission.com

Fractal web site
by David Dollevoet 06 Aug '05

06 Aug '05

Greetings, My fractal web page is updated for 2005-08. http://www.djd-fractal.com David Dollevoet

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FOTD 06-08-05 (Streamliner [6])
by Jim Muth 06 Aug '05

06 Aug '05

FOTD -- August 06, 2005 (Rating 6) Fractal visionaries and enthusiasts: The brevity of today's discussion is a result of the continuing rush here at F.C. Today's fractal subtracts Z^1.01 from Z^2. The result shifts the Mandelbrot set to the east and splits the negative real axis. Today's image is located in the East Valley area of the large midget on the negative axis. I have named the image "Streamliner". This type of image always reminds me of a railroad. The glory days of the railroad are long past, but the word 'streamliner' still evokes feelings of the rails. We have seen this type of image many times before, which limits the rating to a 6. The render time of a little over 3 minutes is quite reasonable. The completed GIF image is available on the FOTD web site at: <http://home.att.net/~Paul.N.Lee/FotD/FotD.html> The Friday high temperature of 95F 35C limited the cats' outdoor time to under one hour. Around 7pm it began thundering, but no storm arrived and the cats ended their day peacefully. Today is starting cloudy and a bit cooler. If all else goes well, it will be a better day for the cats. For me the work is moderate, threatening to get heavy. We'll see how it goes. The next FOTD will appear in 24 hours. Until then, take care, and things are never so good that they cannot get better. Jim Muth jamth(a)mindspring.com jimmuth(a)aol.com START PARAMETER FILE======================================= Streamliner { ; time=0:03:22.02--SF5 on a P200 reset=2004 type=formula formulafile=allinone.frm formulaname=MandelbrotMix4 function=ident passes=1 center-mag=-0.99882094606212310/+0.001072594239131\ 53/892730.3 params=-1/1.01/1/2/0/0 float=y maxiter=5000 inside=0 logmap=62 periodicity=10 colors=00006n9FsIOwJWwL`xGdyBhy6lz2oz1jr0dh0_`8WIF\ SMNOQUKU`GYhCao8ev5it9msCprFtqbwzjtqwqwopweozWouTn\ v4ns3fp3_n3Tk3Mi3FY6UM8hBAvEDuGGuJJuLMuOPuQRuWMkaI\ agDTm9Js49y00s6KmCchIwcSvZ`vUiuQruTqtVltYgs_bsaYrd\ TrfQqhNqbQrXSsSUsMWtGZuB`u5bv0dv1br2`n2_k4dk5hk6mk\ 8qk9vkAzkGv`LrRRnHWk7SlLPlYLlkIlxLjxNixPgxSfxUdxWc\ xYbxVcjTdYReKPf7MeGKePIeXFeeDenBevVBeXEhYGj_Im`Lob\ NrcPt`TkZWbXZUVaLTdCWcAZb8aa6c`5adC`gIZjOYnVWq`Vtf\ Sq`QnWNlQLiLIfGGdADa5B_0GX8KVFOSNTQUXNa`LhdJoZQpUW\ pPapJhpEnp9tpHgaIi`Jj`Jk`Km`Ln`Lo`NpYOpWPqTQrRRsPT\ tMUuKVvHWwFXxDZyA_z8`z5az3bz1SzPHzkMzkQzkVzkZzkbzk\ gzkkzkozkWzhYzdZz`_zXazTbzQczMRzyJzxBzx4zxJznPzhUz\ cZzZczThzOmzJazLRzMFzN4zO9zPEzQJzROzRTzSYzTbzUgzUc\ zS`zRYzQVzOSzNPzMRzTSz_UzfVzmWztSzmOzfLz_HzTDzMAzG\ EzMHzSKzYNzcQziTznWzgZz`azU_zZZzbYzgXzkWzpVztZzqbz\ oezlizjmzgpzeZzcIza1z`0zg } frm:MandelbrotMix4 {; Jim Muth a=real(p1), b=imag(p1), d=real(p2), f=imag(p2), g=1/f, h=1/d, j=1/(f-b), z=(-a*b*g*h)^j, k=real(p3)+1, l=imag(p3)+100, c=fn1(pixel): z=k*((a*(z^b))+(d*(z^f)))+c, |z| < l } END PARAMETER FILE=========================================

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Fractint version 20.4 patch 3
by Jonathan Osuch 05 Aug '05

05 Aug '05

The latest patch to the developer's version is now available at www.fractint.org. Here's what's new: Started the cleanup of the docs. Cleaned up the map directory. Fixed the Xfractint Makefile so that install would run. Added an uninstall. Fixed Xfractint so that it can be run from an arbitrary directory and still use the directory settings in sstools.ini. As you can see, this was mostly for Xfractint, with no bug fixes. Jonathan

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FOTD 05-08-05 (Half Alive [7])
by Jim Muth 05 Aug '05

05 Aug '05

FOTD -- August 5, 2005 (Rating 7) Fractal visionaries and enthusiasts: I have named today's image "Half Alive" to make clear my doubt that fractals are fully alive. But sometimes I rather suspect that fractals might be marginally alive. They certainly grow and evolve like living systems. They come in families; they reproduce smaller copies of themselves, with complex mathemati- cal expressions acting as genetic material. I am not ready to suggest that fractals are self-aware, but considering that we have no idea what self-awareness is or where it comes from, I see no reason why such a thing might be impossible. It seems no less likely than the 175-pound chunk of meat called myself being self-aware. In the end I guess it all depends on the definition of the word 'alive'. To put my feelings in as few words as possible, of course fractals are not alive. Any fool knows that. The very idea is absurd. But do the fractals know it? That is the question. Today's image comes from a combination of Z^(-1.3) and Z^(+1.3). The parent fractal consists of two large but distorted Mandel- oids, with smaller oddly-shaped Mandeloids scattered about. Today's scene is located in a valley of one of the smaller Mandeloids. There is a midget at the center of the image, but the midget will never be reached, at least by the Fractint program as it now stands, for the midget lies far beyond resolution. The 'above average' rating of a 7 seems appropriate for today's fractal. The coloring is . . . well . . . striking, but similar scenes have appeared several times before as FOTD images, and the render time of 54 minutes makes rendering the image a chore. For rendering relief, I recommend visiting the FOTD web site at: <http://home.att.net/~Paul.N.Lee/FotD/FotD.html> and downloading the finished image from there. A temperature of 97F 36C and high humidity kept the fractal duo under the cool air most all day here at Fractal Central on Thurs- day. At the same time, I kept busy working all day. Today is starting hot again. I expect a repeat performance. The next FOTD will appear in 24 hours. Until then, take care, and where, if anywhere, did fractal life begin? Jim Muth jamth(a)mindspring.com jimmuth(a)aol.com START PARAMETER FILE======================================= Half_Alive { ; time=0:54:24.39--SF5 on a P200 reset=2004 type=formula formulafile=allinone.frm formulaname=MandelbrotMix4 function=recip passes=1 center-mag=-0.78343573916752540/+0.000013490892506\ 23/1.158479e+012/1/112.5/-0.00146805133114015496 params=1/-1.3/-2/1.3/-0.5/0 float=y maxiter=4500 inside=zmag periodicity=10 mathtolerance=0.05/1 colors=000gHiJKPMOTPRWSUZVXaY_d`cgcfjfimilpkosmpmo\ phqqbsqYuqTwrNyrIzrDvqGrqJoqLkqOgpRdpT`pWYpYYmtPlo\ Hkk9jf1jb2ga3ea4ba4``5Z`6W`6U_7R_8P_8N_CLZGKYJIXNH\ WQGWUEVXDU`BTcASg9Sj7Rn6Qq4Pu3Ox2Ot6MqALnEKjIJgLHd\ PG`TFYXEV_CRcBOgALk9In8HoAHpCHqDGrFGsGGtIFtJFuLFvM\ EwOExPEyREySMqOTjL`cIgWFoPCvI9pPFjWKdbPZiVTp_OvdPt\ eQrfQpgRnhRmiSkjSikTglTfmSdhRbdQ``P_XOYTNWOMUKLTGK\ RCJP8IO4NRARUFWXL__QdbVhe`mheqlkvnpxosynpymlykhyjc\ yh_xgWxeSxdNxbJxaFx`Bt_DpZElYFiXGf_EdbDadC_gAXi9Vl\ 8Tn7SiBSdER`IRWLQRPQNSPIWPDZO9bO4eO0hnGSnCWo8_o4co\ 0gn3hn5in7in9jnBknEknGlnImnKmnMnnPonRonTpnVqnXqiVm\ eUiaTeYRaUQYQPUMNQIMMELJEKPEJUEI_DJGEIEEICEIAHJEJJ\ HMIKNINPHQQHTSGWTGZTFXTFVTDTTDRTDPUENVFLVGKWHIXIGY\ JEZKC_KA`K8aK6aK5bK7cK9dKBeKDfKFgKGhKIiKKjKMkKOkKP\ lKQlKQlKRlKRmKSnLSoLTpLTqLTrPapOcnNelMgkLihJkeHmcF\ o`DqYBsW9uYBs_CqaDocEmeFk } frm:MandelbrotMix4 {; Jim Muth a=real(p1), b=imag(p1), d=real(p2), f=imag(p2), g=1/f, h=1/d, j=1/(f-b), z=(-a*b*g*h)^j, k=real(p3)+1, l=imag(p3)+100, c=fn1(pixel): z=k*((a*(z^b))+(d*(z^f)))+c, |z| < l } END PARAMETER FILE=========================================

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No FOTD for August 04
by Jim Muth 05 Aug '05

05 Aug '05

Fractal fans: Due to a work rush here at Fractal Central there will be no FOTD for August 04. The next FOTD will appear on August 05. Sorry about the disappointment. Jim M.

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FOTD 03-08-05 (End of the Journey [6])
by Jim Muth 04 Aug '05

04 Aug '05

FOTD -- August 03, 2005 (Rating 6) Fractal visionaries and enthusiasts: Today's slow fractal, which is named "End of the Journey", shows the midget that lies invisibly at the center of yesterday's image. Once again, as in almost all very deep images, the sur- rounding features are nearly circular. This consistent circu- larity is the main reason I so rarely explore very deep in the Mandelbrot set. The image is not all that bad however, and rates a somewhat above average rating of 6. But the render time of almost 2 hours is quite slow. I recommend saving time by downloading the completed GIF image from the FOTD web site at: <http://home.att.net/~Paul.N.Lee/FotD/FotD.html> With a high temperature of 93F 34C, Tuesday was simply too hot for the cats to enjoy themselves outdoors. They tried the holly patch for a few minutes, then, when they found it too warm, they came inside to spend the day under the cool air. For me it was an average day. Today is starting about the same. I expect similar things from the duo. The next FOTD, hopefully better, will be posted in 24 hours. Until then, take care, and when is never forever? Jim Muth jamth(a)mindspring.com jimmuth(a)aol.com START PARAMETER FILE======================================= End_of_the_Journey { ; time=1:53:10.19--SF5 on a P200 reset=2004 type=mandel passes=1 center-mag=-1.99999647033372468183977516690341099/\ 3.09095179166500173123336e-13/1.368017e+031/1/-157\ .5/-6.53883197587745713e-012 params=0/0 float=y maxiter=10000 inside=0 periodicity=10 colors=000rkZolZmmZjn_ho_ep_cp``q`Zr`WsaUtaRuaPuaS\ r`Uo_WlZYiY_fXadXcaWeZVgWUiTTkRTiQRgQQePPdPObPN`OM\ _OKYNJWNIVNHTMGRMFQMEPQDOUDNXDM`DLcDKgCJjCInCHqCGu\ CFxCGrFGlHHgJHaLIWOIRQJLSJFUJAWKCVKEVKFUKHUKIUKMQK\ PMKTIKWFK_BKb7Ke4Id8GcCEbGCaKBaO9`S7_W5Z_4Zb8WZBTW\ EQTIOQLLNOIJRFGVDDYAA`77c54ZWUUus`ttftumtvstwqqsoo\ omlkkjhigdge`fcYda_b```_aZZbXYdVXeTWfRVgPUiNTjLSkJ\ RlIQmDKi9Ef48c02`35Z67Y99XBBWEDVHFTKHSMJRPLQSNPUPO\ VSMVUKVWJVYHV_GVaEVcDWeBWgAWi8Wk7Wm5Wo4Wq2Ws1Yt4Zt\ 7_tAatDbuGcuJeuMfuPgvSivVjvYkv`mwcnwfowipwllumhsme\ qmaomZmmVknSinOgnLenHcnEbnG`lI_jJYiLXgNVfOUdQScRRa\ TP`VOZWMYYLWZKVaOUcRTeUThXSj_SlbRofQqiQslPvoPxrOzu\ OvpPrkQngRkbRgZScUT_PUXLUTGVPCWL7XI3XwEuqCrlApg9na\ 7lX5jS4hT9aUEWVJQVOKWTEXY8Xa2Uc7SeBQgFOiKLkOJmSHoX\ Fq`CsdAui8wm6yq4zu6wr7to8ql9niAlfBicCf`DcYEaVFZSGW\ PHTMIRKJTOJURKVUKWXLX_LYb } END PARAMETER FILE=========================================

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Re: how to avoid the jaggedness in images calculated by Fractint?
by Hal Lane 03 Aug '05

03 Aug '05

#################################################### > Date: Sat, 30 Jul 2005 22:07:29 +0100 > From: sam ende <sam(a)sende.co.uk> > Subject: [Fractint] xfractint > To: fractint(a)mailman.xmission.com > Message-ID: <200507302207.29657.sam(a)sende.co.uk> > Content-Type: text/plain; charset="us-ascii" > hallo, i'm new to the list and wondering how to improve the > resolution/increase the picture size of images to avoid the jaggedness in > images such as this: > http://www.sende.co.uk/fract038.gif > i'm using xfractint on debian sarge. > thanks for any tips or links to tutorials. > sammi Sammi, 'Jaggies' are caused by what is called spatial aliasing. When viewing information on raster-based computer displays (both CRTs and LCDs) it is a result of sampling and viewing information at evenly spaced intervals. I do two things to combat spatial aliasing in my images. 1) I'm not familiar with the X-Fractint version of Fractint, but I assume that most of the same basic keystrokes are the same. To change the number of pixels in an image hit the <del> key (in the DOS version) and choose a higher resolution from the list of resolutions. The jaggies will decrease -- the higher the resolution of the final image, the smaller the jaggies. Many of these resolution choices supplied with Fractint are tuned to support particular graphics cards and will likely not work on your graphics card. Keep trying choices until you find the ones that work on your graphics card. The first ones to try have 'VESA' in their name. They are compatible with many graphics cards. There may be some resolutions that your card does not support. There may be some resolutions that your card supports that are not included in the default list of resolution choices. You can add to the list of resolution choices by adding lines to the Fractint control file: FRACTINT.CFG Knowing what values to put into the control registers of your graphics card usually takes detailed information about the card. However, the use I make of this file does not need this information. See below for how to modify the file and why. 2) To decrease the jaggies of a particular fractal at a given image size I calculate the image at an increased resolution (say two or four times the final intended resolution) and then use an image manipulation program to average the values of multiple adjacent pixels together. This averaging process both reduces the resolution to the final intended resolution and reduces the jaggies at the same time. You must be *certain* that the graphics manipulation program does combine the adjacent pixels and does not just resample the image -- resampling effectively throws away the extra pixels you have calculated. I have found that increasing the resolution by a factor of four in X and Y and then averaging four adjacent pixels in both X and Y gives results pleasing to me on images that originally had objectionable jaggies when calculated at a resolution of 1024 x 768. How objectionable jaggies are is both a function of the data in a particular image and of the mindset of the person viewing the image. I only use the method described above for images that I am willing to devote the 16 times more calculation time to. Calculating images at resolutions of 2048 x 1536 or 4096 x 3072 means that you need to use what is called Fractint's Disk/RAM 'Video' feature since it is likely that your graphics card will not display images at these resolutions. There are some Disk/RAM 'Video' resolutions already in the FRACTINT.CFG file I mentioned earlier, but not the resolutions listed above. However, it is easy to add your own Disk/RAM 'Video' lines in the configuration file. Simply find a Disk/RAM 'Video' resolution that works on your machine (they all should, unless X-Fractint has some special problem with Disk/RAM 'Video') and create another line that looks the same as the one that works -- with the X and Y resolutions changed. Here is an original line and two lines that I added to my DOS FRACTINT.CFG File ("clr" stands for "# of colors"): ; FRACTINT.CFG File ;key |name of adapter/mode|AX|BX|CX| DX |mode| x | y | clr | comments ;=========================================================================== ====== . . . ,Disk/RAM 'Video' , 3, 0, 0, 0, 11,1024, 768,256,For Background Fractals ,Disk/RAM 'Video' , 3, 0, 0, 0, 11,2048,1536,256,/For Bkgnd 2*(1024 x 768) ,Disk/RAM 'Video' , 3, 0, 0, 0, 11,4096,3072,256,/For Bkgnd 4*(1024 x 768) Spacing/tabs appear not to be critical in this file in DOS Fractint. In a previous posting to these email lists I noted that in modern machines during the use of "Disk/RAM 'Video'", RAM is used to hold the pixel values during the calculation -- your disk is never used. But don't forget to save your image after calculating it using Disk/RAM 'Video' mode! ====================================================== Please let me know if adding resolution lines works as easily in X-Fractint as it does in the DOS version of Fractint! ====================================================== And whether you like the results you get using the averaging method. ------------------------------------------------------- > thanks for any tips or links to tutorials. Here you go: http://spanky.triumf.ca/ and http://spanky.triumf.ca/www/fractint/preslar.html http://members.aol.com/billatny/fractopi.htm A number of the links given on the above pages have aged out. You may be able to locate the original pages in the "Wayback Machine" internet archive: http://www.archive.org/web/web.php I tested the following links and they appear to be working: Fractint Tutorial (Bill Rossi) [Note that new features have been added to later versions of Fractint over time.] http://members.aol.com/billatny/Fractint_Tutorial.htm WELCOME to the Fractint Development Team WWW pages http://www.fractint.org/ An Introduction to the Fractint Formula Parser http://spanky.triumf.ca/www/fractint/frm-tut/frm-tutor.html Anti-Aliasing Explained (Damien M. Jones) http://www.fractalus.com/info/antialias.htm Fractal Information Page (Damien M. Jones) http://www.fractalus.com/info/ PNG vs. JPEG discussed (Damien M. Jones) http://www.fractalus.com/info/png-jpeg.htm ------------------------------------------------------- I have put a copy of my own "Basic Fractint 'Cheat Sheet'" below. - Hal Lane ######################### # hallane(a)earthlink.net # ######################### ------------------------------------------------------ Basic Fractint 'Cheat Sheet' Note: You need to be viewing a fractal or partially created fractal to type in many of the commands given below. The keystrokes don't need to be capital letters. <Esc> - go to the Main Menu page - most major commands are listed there. <Esc><Esc>Y - exits Fractint. <F1> - get help. Different help screens appear depending on what you are doing. <Tab> - view info about current (possibly incomplete) image. ------------ T - choose Type of fractal to create. S - Save image. A partial image can be saved. When reloaded *most* fractal types will continue being created. R - Reload existing image. X - set the name of the file to save the fractal in, if you do not want to use the auto-naming feature of Fractint -- which creates file names of the form: FRACTnnn.GIF You may remember that Fractint by default automatically changes the name of each new fractal you create so you never overwrite an existing file. The File Name is 8 letters maximum with a 3 letter file extension since Fractint is a DOS program. The X (Basic Options) page also allows you to change the maximum iterations used to calculate each pixel among other items. ------------ <PgUp> - shows the zoom box. Decreases the size of the 'zoom box' <PgDn> - increases the size of the 'zoom box'. Increase to the full size of the image and the 'zoom box' is removed. --------------- while the 'zoom box' is displayed <Enter> - 'zoom in'. This triggers the calculation and display of the fractal contained within the 'zoom box' at the current screen size. This can be done to a partially calculated image. <Ctrl><Enter> - 'zoom out'. A 'reverse zoom'. This triggers the calculation and display of the current full image size being shrunk down to the size of the 'zoom box'. Thus an additional area outside the current image will be seen in the calculated image. <arrow_keys> - move the 'zoom box' <Ctrl><arrow_keys> - move the 'zoom box' five times as fast. If you have mouse support in DOS the mouse will move the 'zoom box'. You don't have to hold the left mouse button to move the 'zoom box'. A double click will trigger the calculation and display of the fractal contained within the 'zoom box'. Holding the right mouse button while moving the mouse to the left or right rotates the 'zoom box'. ------------ C - enter Color cycling mode. (Type <F1> for help on Color Cycling.) >, <, period, comma - These four keys cycle colors when held down. You can load different color maps using this feature. E<Enter> - enter palette Editing mode. (Type <F1> for help on Palette Editing.) >, <, period, comma - These four keys smoothly cycle colors when held down. You can load multiple color maps using this feature and switch between them using one keystroke. ------------ V - set View window options When creating fractals that take a quite a while to calculate I use the View options to quickly calculate a reduced size image to see if it has promise. An Auto Window Size Reduction Factor of 4 will draw the fractal 1/4 the size in X and Y -- and it will be created 16 times faster than a full screen image. VY<Enter> is the keystroke sequence I memorized that turns image size reduction on. VN<Enter> returns to calculating full screen images You can also set a lower resolution screen size, say 640 x 480 -- or smaller, by using the <Del> key to speed up looking at a fractal you might create at a higher resolution later, but you will see the individual horizontal lines on the screen which I don't like. The View Window Size Reduction method allows you to set a size reduction factor of higher than 4 to get a quick look at extremely slow fractals -- or a quicker look at slow fractals. <Del> - set the screen resolution in pixels (Set Video Mode page). Note that some video modes do not work on certain video cards. The 'Disk Video' modes can be used to create fractals without their being viewed during creation. Note that these fractals must still be saved when completed. I use this to calculate slow fractals at full screen size after I have zoomed and located them in the reduced-size viewing mode. Type <Del> and scroll down until you see the video modes with: Disk/RAM 'Video' in their name. <PgUp> and <PgDn> as well as the arrow keys scroll through the list of video modes. ------------- <Alt><Enter> switch between a full screen view of Fractint and Fractint in a window. This is a Windows command, not a Fractint command. You may or may not be able to do this successfully. Under Windows 98 I cannot interact successfully with Fractint while it is in a window, and I can only change to viewing Fractint in a window while Fractint is showing a text page, but I can use my machine to look at email etc. while it is windowed. Other versions of Windows may differ in their behavior. ---------------------------------------------------------------------------- ---------- #################################################### -- No virus found in this outgoing message. Checked by AVG Anti-Virus. Version: 7.0.338 / Virus Database: 267.9.9/62 - Release Date: 8/2/05

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FOTD 02-08-05 (On The Way [5])
by Jim Muth 02 Aug '05

02 Aug '05

FOTD -- August 02, 2005 (Rating 5) Fractal visionaries and enthusiasts: I named today's image "On The Way" because it is a passing scene viewed on the way to the final goal, which is an as-yet unseen midget lying at the center. I will reach this final goal later today, and it will appear tomorrow as the midget at the center of the frame. Today's scene is located in the Mandelbrot set, on the eastern shoreline of the main bay of a midget near the tip of the negative stem. Since I have not yet seen the final product, I can not yet give today's image an honest rating. The rating of a 5 is simply the average default rating. Being well within the range of arbitrary math, the image takes over 18 minutes to render. Whether the result is worth the effort will not be known until the image is seen. Of course, all uncertainty can be eliminated by downloading the finished fractal from the FOTD web site at: <http://home.att.net/~Paul.N.Lee/FotD/FotD.html> Fans of philosophy must have long ago given up hope that I would ever resume my discussion of the great philosophical problems about the nature of the 'self'. I have not abandoned the line of thought; the difficulty lies in trying to fit my conclusions into the rational scientific framework. Our method of doing science is totally geared to an assumed objective reality, and is truly unable to work with subjective things such as the con- scious mind unless it reduces them to the activity of the objec- tive mass of meat we call the brain, a reduction that totally loses the subjective aspect. The problem is one of describing subjective reality in a system that considers the term self- contradictory. I have many things to say on this topic, which, for fear of offending those with other views, I have not yet decided to put into words and make public. With a high temperature of 86F 30C and rather high humidity, Monday was a bit too warm for the fractal cats. They still managed almost two hours stretched on the cool ground under the holly trees however. Today is starting warmer and more humid. It will probably be too hot for the duo. For me, it looks like a dull average day coming up. The next FOTD fractal will appear in 24 hours. Until then, take care, and a dispassionate skeptic is about as rare as a dispassionate religious fundamentalist. Jim Muth jamth(a)mindspring.com jimmuth(a)aol.com START PARAMETER FILE======================================= On_The_Way { ; time=0:18:48.67--SF5 on a P200 reset=2004 type=mandel passes=1 center-mag=-1.9999964703337246818397741/3.09095179\ 16507e-13/1.764905e+021 params=0/0 float=y maxiter=3900 inside=0 logmap=269 periodicity=10 colors=000QSaWWfa`jgdomitsmxpfsm`okVjhOfeIacCYfGSh\ KNjNIlRCnV7pY2jR5eK8`DAW6DR0FUEOXRW_dcaqkRXTGCBL9P\ A4C60`jnZ4FX6LZ7S`9YbBddCjfBhcBfaBd_AbXA`VAZTAXRPP\ `cHjq9sjCncFiYIdRL`KOWERR7UM1XI0`R0d_0hh7_cERZLIUS\ AQLITFQV8YX2eZ1da1cc1bf1ah0`j0_m0Zo0Yq3Xo5Xm7WkAWi\ CVgEVeQWW`WMkWCjWGiWKhWOgWSfWVVdWJmX7vYDwMJtOOrQTo\ RYmTckVhhWmfYrdZchkPkxOfvNauNXtMTsLOqLJpKEoKAnT8fa\ 6Zj4Rs3JZETEObczJANN6FF377h3DX29M16B03ENZ9FN47B4YX\ VsRNeKFSD7E6jU1KEuD9a64JjSsVI`F9IT7rE3R5lF2O7rK8dF\ 6RA4D52Lg`ETO7EC5T8ohewHYfFVQDS9CQGFNMHLTKJZMHWTHT\ _HQfHOmHamRnm`aqZQuXEyWJ0G7VGa8BS68J459220RT0DEB`k\ JWVg8uXu7Of5GT38E1_ecsLreFdSARE5DMFSGBLB7E537CQj9J\ Z6DN36BGa4CS38J2491CcBLavVUoKKYAAHEw2Ah17U13F0Adm5\ KP_ydyQaVDJ1_W0IGD3lvBkg8_T5OE2CA`y6Od3CKa1OJ0CCKq\ 8D_46IBPJ5C9SsQI`H9I8DzG9jC6V83F4C4Bn`zPIVr3lK7TM8\ PO8LQ9HSADUB9VB5tf8DISKNX } END PARAMETER FILE=========================================

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xfractint
by sam ende 02 Aug '05

02 Aug '05

hallo, i'm new to the list and wondering how to improve the resolution/increase the picture size of images to avoid the jaggedness in images such as this: http://www.sende.co.uk/fract038.gif i'm using xfractint on debian sarge. thanks for any tips or links to tutorials. sammi

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FOTD 01-08-05 (Pyroclastic Fractal [6])
by Jim Muth 01 Aug '05

01 Aug '05

FOTD -- August 01, 2005 (Rating 6) Fractal visionaries and enthusiasts: In today's FOTD we bid a temporary farewell to the Mandelbrot set and return for a while to the MandelbrotMix4 formula for a view of the fractal that results when various portions of Z^(-1.5) and Z^(-6.5) are combined and (1/C) is added. I will not try to give a detailed description of the indescribable parent fractal, which is actually several separate Mandeloids, one a sprawling, shapeless thing with numerous valleys and buds, the other a fairly routine M-set. Today's scene is found in an inconspicuous location on the west edge of the shapeless thing. It has been partially evaporated by a large escape radius, resulting in the sea-shell like effect. The name "Pyroclastic Fractal" has no relation to the actual appearance of the image. It is simply a phrase that came to mind while I was studying the image. The coloring could stand some improvement, which is why I could rate the image no higher than a 6. The render time of 4-1/2 minutes is quite reasonable for such a complicated image. And as always, the finished image is available on the FOTD web site at: <http://home.att.net/~Paul.N.Lee/FotD/FotD.html> A near perfect high temperature of 81F 27C kept the fractal cats quite happy here at Fractal Central on Sunday. The 6 hours they spent in the yard seemed to pass in the twitch of a whisker. Very little tuna was needed to give them a near perfect ending to the day. Today is starting much the same. For me the work is waiting. The next FOTD will appear in 24 hours. Until then, take care, and the answers will be shocking indeed. Jim Muth jamth(a)mindspring.com jimmuth(a)aol.com START PARAMETER FILE======================================= PyroclasticFractal { ; time=0:04:31.61--SF5 on a P200 reset=2004 type=formula formulafile=allinone.frm formulaname=MandelbrotMix4 function=recip passes=1 center-mag=-1.562997473196849/+0.74551682411940390\ /10292.68 params=1/-1.5/0.3/-6.5/0/200 maxiter=1400 inside=bof61 outside=tdis float=y periodicity=10 colors=000RUJSVLSWNTYPUZQU_SVaUVbVWcXXeZXf`YgaZicZ\ je_kg`mh`njaolapm`nk_liZjgYheXfdWdbVb`U`ZTZYSXWSVU\ RTSQRRPPPONNNLLKJKLHIHFGJDE78CJBDJDEMFFLHFPJGOMHSO\ ISQIVSJXUKYWL_ZL``MbbNcdOefOfhPhkQimRkoRlqSnsTouTm\ uSkuSiuSguSfuSguSguRguRguRguRguRhtRhrQgpPdnOblOaiN\ YgMWeLTcLRaKP_JPXIOVIOTHORGNOFNMFMKEMIDKFCMGDNHEOH\ FQIGRIHSJITJJVKKWKLXLMYLN_MN`MOaNPbNQdOReOSfPTgPUi\ QVjQWkRXlRXiPZgO`dMbbLd_JeYIgVHiTFkQElOCnLBpJArG8s\ E7uB5w94y51z73z85xA6uB8sDApEBnGDkHFiJGfKIdLKaNL_ON\ XQPVRQSTSQUUNWVLXXI`ZDYYGWXJUWMSVPPUSNTVLSYJR`GQcE\ PfCOi9OmANlBNkCNkDNjDMiEMiFMhGMhGLgHLfILfJLeJKdKKd\ LKcMKcMJbNJaOJaPJ`PJ`QK_QLZRMZRNYSOYSPXTQXTRWUSWUT\ VUUUVVUVWTWXTWYSXZSX_RY`RYaQYbQWaPV`PU_PTZORYOQXOP\ WNOWNNVNLUMKTMJSMIRMGQLFPLEPLDOKCNKAMK9LJ8KJ7JJ6JJ\ EFHLBGS7FZ4E`4Db4Dd4Cf4Ch4Bj4Bk4Bjgmghldhkahk_hjXi\ iUiiSihPihMjgKjfHjfQRGQSI } frm:MandelbrotMix4 {; Jim Muth a=real(p1), b=imag(p1), d=real(p2), f=imag(p2), g=1/f, h=1/d, j=1/(f-b), z=(-a*b*g*h)^j, k=real(p3)+1, l=imag(p3)+100, c=fn1(pixel): z=k*((a*(z^b))+(d*(z^f)))+c, |z| < l } END PARAMETER FILE=========================================

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