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Astroid Mset Part 3
by Mike Frazier 20 Feb '11

20 Feb '11

Below is a link to a webpage with images. http://www.fracton.org/fmlposts/astroid_mset_p3.html Astroid_Mset Part 3 - Astroid Of The Far North In this installment we will see what happens when the Astroid_Mset is applied to The_Far_North, Jim Muth's Fractal Of the Day for January 14, 2011. Setting the center of the image, zooming in to the required depth, and tweaking a few parameters generated the above image. You can see the purple asteroid ring has period doubled twice since it has 16 lobes. The astroids are much further from the minibrot in this image than the one in Part 1. I think the shallowest minibrots in the image are located inside the biggest astroids. It doesn't appear that there is a minibrot at the center of any of the spirals although the spiral arms have plenty. The noise in the image is from tiny astroids surrounding an infinite number of unresolved minibrots. The 8 lobe astroid can be found by zooming out to a magnification of 1.2E10 and the 4 lobe is at 3.8E8. You can compare this image to Jim's original at: http://www.emarketingiseasy.com/TESTS/FOTD/F110114f.gif In Part 4 we will experiment with a new shape. The parameter file used to generate the image is below: Astroid_OTFN_16 { ; Exported from Fracton. reset=2004 type=formula formulafile=fracton.frm formulaname=Astroid_Mset_v2 passes=1 float=y center-mag=-0.128183294678311/0.649523014799861/19\ 3002911147.3112/1/120/0 params=0.003/0.12/8/30/0/0/0/0/0/0 maxiter=250000 inside=255 outside=summ colors=000fOz<28>I0Kz0f<28>O08z88<28>O00zW0<28>c40\ zz0<28>aG00zR<28>0C40zz<28>0CCGGz<28>00O000<12>000\ z88 } frm:Astroid_Mset_v2 { ; Copyright (c) Paul W. Carlson, 1997 ; Modified for compatibility with Fractint 20.04 and ; Fracton by Mike Frazier, 2011 ;**************************************************** ; Always use floating point math and outside=summ. ; ; Parameters: ; real(p1) = a factor controlling the width of the curves ; imag(p1) = radius of the astroid ; real(p2) = number of color ranges ; imag(p2) = number of colors in each color range ; ; Note that the equation variable is w, not z. ; Initialize cindex to the index of the background color ; Formula modified to avoid color index 0 which can not ; be used with outside=summ in FractInt v20.04 ;**************************************************** w=0, c=pixel, z=0, cindex=254,; Background color 254 bailout=0, iter=0, range_num=0, i=(0,1), r=imag(p1), ;**************************************************** ; In the accompanying par file, ; we have 8 color ranges with 30 colors in each range ; for a total of 240 colors. The first range starts at ; color 1. Pixels will use color 254 when |w| > 1000. ; Other values can be used here as long as the product ; of num_ranges times colors_in_range is less than 255. ; Color 254 is reserved for the background color and ; color 255 can be used for the inside color. ;**************************************************** num_ranges=real(p2), colors_in_range=imag(p2), ;**************************************************** ; Real(p1) controls the width of the curves. ; These values will usually be in the range 0.001 to 0.1 ;**************************************************** width=real(p1), index_factor=(colors_in_range-1)/width: ;**************************************************** ; The equation being iterated. Almost any equation ; that can be expressed in terms of a complex variable ; and a complex constant will work with this method. ; This example uses the standard Mandelbrot set equation. ;**************************************************** w=w*w+c, ;**************************************************** ; The orbit trap curve. This example uses an "astroid" ; curve (which has absolutely nothing to do with huge ; rocks in outer space). Any two-dimensional curve can ; be used which can be expressed in parametric form in ; terms of the angle from the origin. ;**************************************************** ang=atan(imag(w)/real(w)), astroid=r*(cos(ang)^3+i*sin(ang)^3), ;**************************************************** ; If the orbit point is within some distance of the curve, ; set z to the index into the colormap and set the bailout ; flag. Note: the way we use the "distance" here has ; the effect of turning the curves inside-out in the image. ;**************************************************** distance=abs(|w|-|astroid|), if(distance<width&&iter>1), cindex=index_factor*distance+range_num*colors_in_range+1, bailout=1, endif, ;**************************************************** ; Cycle through the range numbers (0 thru num_ranges - 1) ; With two color ranges, even iterations use color ; range 0, odd iterations use color range 1. ;**************************************************** range_num=range_num+1, if(range_num==num_ranges), range_num=0, endif, ;**************************************************** ; Since we are using outside=summ, we have to subtract ; the number of iterations from z. ;**************************************************** iter=iter+1, z=cindex-iter, ;**************************************************** ; Finally, we test for bailout ;**************************************************** bailout==0&&|w|<1000 } -- Mike Frazier www.fracton.org

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Astroid Mset Part 2
by Mike Frazier 20 Feb '11

20 Feb '11

Below is a link to a webpage with images. In this case it will be easier to follow the text if you can see the images. The parameter file is the same as Part 1: http://www.fracton.org/fmlposts/astroid_mset_p2.html Astroid_Mset Part 2 - Parameters and Modifications The main parameters that need to be adjusted are the width (real part of p1) and radius (imaginary part of p1). In order to get the formula to work properly, the parameters need to be within a range that avoids a few pitfalls. The width adjusts the thickness of the curves. If the width is too thick the curve will be totally filled in and not an astroid at all. The radius adjusts the overall size of the curves. If the radius is too small the curve will also be filled in. If the radius is too big what usually happens is an astroid from somewhere off the screen obscures the area you are trying to see. If you get a solid color screen try reducing the radius to see if that fixes the problem. The other parameters in p2 allow you to match the color table with the formula. You will never need to adjust these unless you want to change the number of color ranges in the color table. The image mosaic at the top shows what happens when you adjust the radius between 0.6 at the top left and 0.1 at the bottom right in increments of 0.1. Our image from yesterday is the one in the upper right. The upper left tile shows a red astroid that has come into the image from the left and is overlapping the minibrot in the center. Notice that the red curve is much thicker that our yellow astroid. A lot of the time a very thick offscreen astroid covers the entire image. As you can see from the images across the top the red astroid moves out of the way as you reduce the radius. The center image on the bottom is a noteworthy case. When you adjust the radius and width to just the right values, the tips of the astroid elongate and touch the center of the minibrot. This is useful for zooming into a minibrot you can't see. The bottom right case shows when the radius is just too small for the width you are using. Either increase the radius or reduce the width. Now a quick explanation of why I changed the Astroid_Mset formula. There was a change to FractInt after version 19.6 that affected the clamping for several of the coloring methods including outside=summ that is used by this formula. The result of the clamping change causes the background color to be assigned to color index 1 instead of the intended color index 0. Color index 1 is already used for one of the astroid color ranges. I changed the formula so that it moves the background color to the unused index 254 to avoid this problem. It is fair to mention that the original formula would work if you run it with the old version number as reset in the parameter file. But, if you look through the mail list archives, you will find several cases where people posted the old formula with the new version. So I thought it was worth updating the formula to use the conventions of the latest FractInt version. In Part 3 we will see what happens when the Astroid_Mset is applied to one of Jim Muth's Fractal Of the Day images. -- Mike Frazier www.fracton.org

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Astroid Mset Part 1
by Mike Frazier 19 Feb '11

19 Feb '11

I remember when I first saw one of Paul Carlson's synthetic coloring methods and I was impressed with how it created a 3D visual effect. I picked the Astroid_Mset formula and spend a little time experimenting with the algorithm to try to figure out how it worked. Along the way, I stumbled upon some curious things. I also got to make a few nice images. There was way too much to fit in one post so I decided to break it up in bite sized parts. Part 1 - A Minibrot Detector I will start off with one of the curious things. This formula is a minibrot detector. I mean it draws a big astroid shape around every minibrot in the image. You can adjust the relative size of the astroid versus the size of the minibrot. The yellow shape in the image has four lobes and is the inside out astroid shape surrounding the largest minibrot in the center of the image. Notice that inside the yellow astroid is a magenta period doubled astroid with 8 lobes. As you look toward the center you can see a 16 and 32 lobe astroid before they get too small to see. All the other astroids in the image surround other minibrots that are too small to see. Here is a link to a webpage with an image and a parameter file: http://www.fracton.org/fmlposts/astroid_mset_p1.html In Part 2 I will talk about the formula parameters and why I modified the formula. If you would prefer to draw the image yourself the parameter file is included below: Astroid_Basic { ; Exported from Fracton. reset=2004 type=formula formulafile=fracton.frm formulaname=Astroid_Mset_v2 passes=1 float=y center-mag=-1.626230169678311/0/29.62963/1/0/0 params=0.01/0.4/8/30/0/0/0/0/0/0 maxiter=500 inside=255 outside=summ colors=000fOz<28>I0Kz0f<28>O08z88<28>O00zW0<28>c40\ zz0<28>aG00zR<28>0C40zz<28>0CCGGz<28>00O000<12>000\ z88 } frm:Astroid_Mset_v2 { ; Asteroid_Basic.par ; Copyright (c) Paul W. Carlson, 1997 ; Modified for compatibility with Fractint 20.04 and ; Fracton by Mike Frazier, 2011 ;**************************************************** ; Always use floating point math and outside=summ. ; ; Parameters: ; real(p1) = a factor controlling the width of the curves ; imag(p1) = radius of the astroid ; real(p2) = number of color ranges ; imag(p2) = number of colors in each color range ; ; Note that the equation variable is w, not z. ; Initialize cindex to the index of the background color ; Formula modified to avoid color index 0 which can not ; be used with outside=summ in FractInt v20.04 ;**************************************************** w=0, c=pixel, z=0, cindex=254,; Background color 254 bailout=0, iter=0, range_num=0, i=(0,1), r=imag(p1), ;**************************************************** ; In the accompanying par file, ; we have 8 color ranges with 30 colors in each range ; for a total of 240 colors. The first range starts at ; color 1. Pixels will use color 254 when |w| > 1000. ; Other values can be used here as long as the product ; of num_ranges times colors_in_range is less than 255. ; Color 254 is reserved for the background color and ; color 255 can be used for the inside color. ;**************************************************** num_ranges=real(p2), colors_in_range=imag(p2), ;**************************************************** ; Real(p1) controls the width of the curves. ; These values will usually be in the range 0.001 to 0.1 ;**************************************************** width=real(p1), index_factor=(colors_in_range-1)/width: ;**************************************************** ; The equation being iterated. Almost any equation ; that can be expressed in terms of a complex variable ; and a complex constant will work with this method. ; This example uses the standard Mandelbrot set equation. ;**************************************************** w=w*w+c, ;**************************************************** ; The orbit trap curve. This example uses an "astroid" ; curve (which has absolutely nothing to do with huge ; rocks in outer space). Any two-dimensional curve can ; be used which can be expressed in parametric form in ; terms of the angle from the origin. ;**************************************************** ang=atan(imag(w)/real(w)), astroid=r*(cos(ang)^3+i*sin(ang)^3), ;**************************************************** ; If the orbit point is within some distance of the curve, ; set z to the index into the colormap and set the bailout ; flag. Note: the way we use the "distance" here has ; the effect of turning the curves inside-out in the image. ;**************************************************** distance=abs(|w|-|astroid|), if(distance<width&&iter>1), cindex=index_factor*distance+range_num*colors_in_range+1, bailout=1, endif, ;**************************************************** ; Cycle through the range numbers (0 thru num_ranges - 1) ; With two color ranges, even iterations use color ; range 0, odd iterations use color range 1. ;**************************************************** range_num=range_num+1, if(range_num==num_ranges), range_num=0, endif, ;**************************************************** ; Since we are using outside=summ, we have to subtract ; the number of iterations from z. ;**************************************************** iter=iter+1, z=cindex-iter, ;**************************************************** ; Finally, we test for bailout ;**************************************************** bailout==0&&|w|<1000 } -- Mike Frazier www.fracton.org

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FOTD 20-02-11 (Out of Order [5])
by Jim Muth 19 Feb '11

19 Feb '11

FOTD -- February 20, 2011 (Rating 5) Fractal visionaries and enthusiasts: An antiquing expedition did happen on Saturday, and it left very little time for a proper fractal search. However, I did manage to find an acceptable image, (rated a 5), in the parent fractal that results when the formula Z^(1.99)+C is iterated just one level up the complex logarithmic hyper-spiral and no function is applied. On its surface, this parent appears to be a normal everyday Mandelbrot set that has been rotated so that its main spike faces northeast instead of west. But problems arise on the negative X-axis, which in today's parent cuts through what is normally the southeast shore line of the main bay. Today's image lies in the mess of discontinuities in this small area. As would be expected, the image consists mostly of discontinui- ties. The name "Out of Order" refers to the fact that it is not normal for the negative X-axis to cut through the southeast shore line of the main bay of the M-set. The calculation time of 3-1/2 minutes may be cut to 2-1/2 minutes by resetting the passes to 'g', but doing so will cause some of the finer detail to be missed. Both speed and accuracy may be achieved by viewing the finished image on the current FOTD web site at: <http://www.emarketingiseasy.com/TESTS/FOTD/jim_muths_fotd.html> The original web site with all the past FOTD images may be accessed at: <http://www.Nahee.com/FOTD/> Lots of clouds, a strong northwest wind and a steadily falling temperature made Saturday anything but enjoyable here at Fractal Central. When the temperature dropped below freezing late in the afternoon, the fractal cats took to their shelf over the heat, where they enjoyed a comfortable evening. FL and I spent most of the day on an antiquing expedition. With the work just about caught up, the rest of the day was unevent- ful. The next FOTD will be posted in 24 hours. Until then, take care, and be satisfied with less than everything. Jim Muth jamth(a)mindspring.com START PARAMETER FILE======================================= Out_of_Order { ; time=0:03:33.75-SF5 on P4-2000 reset=2004 type=formula formulafile=basicer.frm formulaname=MandelbrotBC3 function=ident passes=1 center-mag=-0.58310178265/+0.00224032835/223521/1\ /-105/0 float=y params=1.99/0/1/0 logmap=107 maxiter=1750 inside=0 colors=000EJK9DD466I6mF5fD4`B3V93P62I41C206oUYiQUc\ NQYKMSGINDFHABB67533VTuSQpQOlNMgLKcJHZGFVEDQBBM98H\ 76D4482243tP2lL2eI1ZF1SC1L90E6073NfhIY_DPR9HI489z3\ ku2gq2dm2ai2Ze2W`1SX1PT1MP1JL1GG0CC09806403uvdqram\ nZjjXfgUbcS__PWXNTTKPPHLMFIICEEAAB7775332`7nB3lLpl\ JlhIheGebFaZEZWCVTBSQ9OM8LJ7HG5ED4A9276133FDnA8Y54\ H`P3YN2WL2TK2RI2OG2MF1JD1HB1EA1C81960750430210x8Ts\ 7Qn6Oi6Me5K`4HW4FS3DN3BI28E1691440264X53U43R42O32L\ 32I21F21C1191060038vk6lc5bW4TO2JGdAN`BJYBFRAMLATEA\ _8AeNPlacrorxjntfkpbhlYehUbdQ_aItsKmnLfiM_eOT`PMWQ\ FS865D7EirpU_ZFIHry9nt8jp7gl7ch6_d6X`5TX4PS4MO3IK3\ EG2BC1781340guSZiMQYGHNB8B55ld4g`4cY3_U3WR2SN2OK2K\ H1GD1CA086043kVD_N9OF6C73gsoXebMZQBcDdhXZmSTrNNvIH\ zEBz95z4SzdQzaOzZMzWKzUIzRGzOzzLzzJzzGzzDzzAzz8zz5\ zz2zzzzzzzzQzzzzzTzzzzz0zzzzzzzzzzzzzzzzzzzzzzzzzz\ zzzzzzzzzzzzzzzzzzzzzzzzz } frm:MandelbrotBC3 { ; by several Fractint users e=p1, a=imag(p2)+100 p=real(p2)+PI q=2*PI*fn1(p/(2*PI)) r=real(p2)+PI-q Z=C=Pixel: Z=log(Z) IF(imag(Z)>r) Z=Z+flip(2*PI) ENDIF Z=exp(e*(Z+flip(q)))+C |Z|<a } END PARAMETER FILE=========================================

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FOTD 19-02-11 (Lost And Found [No Rating])
by Jim Muth 18 Feb '11

18 Feb '11

FOTD -- February 19, 2011 (No Rating) Fractal visionaries and enthusiasts: Today's image is quite a discovery, at least as far as I am concerned. The object at the center of the screen is a minibrot in the Z^(-2)+C Mandeloid. Yes, I know, or rather, I have assumed that minibrots can not exist in Mandeloids with single negative exponents of Z. It turns out that I was mistaken. As today's image shows, minibrots do exist in such Mandeloids. And they have the expected number of lobes -- one less than the exponent of Z. In today's image, the exponent of Z is minus 2. One less than minus two is minus three. Therefore we find minus three lobes in the minibrot. I'm not sure what a negative lobe is supposed to look like, it might appear as a peninsula, but why question such a reasonable explanation? Quite a bit of trickery was needed to bring out the minibrot in today's image. To begin, I raised the bailout radius to the point where nearly the entire fractal had evaporated. Then I rendered the remaining scene with the inside set to 'atan'. Finally, I set the periodicity to its most aggressive setting, which causes the stuff that would normally fill the interior of the minibrot to be skipped over and show up as black. The resulting image is not exactly correct, but it does show what I assume to be a minibrot lying in a fractal with a single negative exponent of Z. Since the image is almost entirely of mathematical interest, I could give it no rating. The name "Lost And Found" describes the adventures of all such negative minibrots. The calculation time of 2-1/4 minutes is reasonable. Viewing the finished image on the FOTD web site at: <http://www.emarketingiseasy.com/TESTS/FOTD/jim_muths_fotd.html> will save a bit of effort. The original FOTD web site may be accessed at: <http://www.Nahee.com/FOTD/> A preview of spring visited Fractal Central on Friday. The warm sun and temperature of 68F 20C made it feel more like mid-April than mid-February. The fractal cats did not bother themselves with time-of-year details however. They spent the day on their shelf in the sun. My day was moderately busy, while FL had a slower day. The next FOTD is due in 24 hours. Only an unexpected antiquing trip could delay it. Until next time, take care, and look for the bright side of the darkness. Jim Muth jamth(a)mindspring.com START PARAMETER FILE======================================= Lost_And_Found { ; time=0:02:16.06-SF5 on P4-2000 reset=2004 type=manzpower passes=1 center-mag=-0.900448534/0/7843.38 params=0/0/-2/0 float=y maxiter=1500 bailout=10000000 inside=atan symmetry=xaxis periodicity=yes colors=000000elJZdGSZDLz9CzJ9zI6aG3bF1bEBUHLLKSANV\ DMYFL_IKbKJeNI000jSGoSHlUGiVGfXGdYGa_FZ`FXbFUcFReF\ OfEMhEJiEGkECkCElEFlFGlG000JmIKmJLnKMnLOnNPnOQoPRo\ QToRUpSVpTWpUXpVXdZXTaZFeXHdVIdTJc000QMcONbMPbLQaJ\ RaHTaGU`EV`CX_AY_9Z_7`Z5aZ4bZ2jY1rX0yW5sTAnR000JdM\ O_KSUIXPGaKDeFBjA9n57m49l4Ak4Cj3Dj3Ei3Gh2Hg2Jg2Kf1\ Le1N000d1Ph1Lk1Hn1Dq19t15w12NiMOmtQjsRgrTdqUapWZoX\ XoZUn_RmaOlbLkcJkeHmgFniDpkBqm9ro7tq5ur3vq7wqAwqDw\ qGwqJwqMwqPwpSwpVwpYwp`wpcwpfwpiwplwhiw`gwTdwLbwMc\ tMcrNdpNdnNdlOejOehPffPfdPfbQg`QgZRhXRhVRhTTjQUkOV\ lMWnKYoHZpF_rD`sBbt8cv6dw4ex2fy0crC`zOYz_VzkTzwPzp\ MziJzbGzXDzSBzN9zI6zEWzv4z92z4v4aozXhzTbzPWzLQzGJz\ CDz86z4yz5nz4dz3Vz2Kz1Az0dzM`zKYzzUzzRzzNzzKzzHzzD\ zzAzz6zz3zz1zz0zz0zz0zz0zz0zzzzzzzzzzzzzzzzzzzzzzz\ zzzzzzzzzzzzzzzzzzzzzzzzzzz0zz6zz5zz5zz4zz4zz4zz3z\ z3zz2zz2zz2zz1zz1zz0zz000 } END PARAMETER FILE=========================================

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FOTD 17-02-11 (Technicolor Midget [7])
by Jim Muth 18 Feb '11

18 Feb '11

FOTD -- February 17, 2011 (Rating 7) Fractal visionaries and enthusiasts: Today's image is a scene in the Z^(1.99)+C Mandeloid. At first glance, this parent fractal appears as an everyday Mandelbrot set. But a bit of thought will reveal that something is wrong with it. To begin, the main spike has been swallowed up, and an extra valley has appeared where the string of buds along the X-axis should lie. This extra valley is filled with discontinui- ties, though it is not without fractal hope. In fact, today's scene lies in this valley. After a modicum of thought, and a consideration of a name such as 'Chrysanthemum', I named the image "Technicolor Midget". Once the image is seen, the name will be self-explanatory. The rating of a 7 is better than recent days, but still leaves something to be desired. Most of the color was generated by the Fractint program with a stroke of the <enter> key. I did tweak a few registers, but not enough to reward myself the standard half-point bonus. Perhaps the best feature of the image is its fireball calcula- tion time of 57 seconds. An equally fast way to view the scene is to surf to the current FOTD web site at: <http://www.emarketingiseasy.com/TESTS/FOTD/jim_muths_fotd.html> where the image has been posted in finished form. The original FOTD web site may be accessed at: <http://www.Nahee.com/FOTD/> Lots of sun and a temperature of 48F +9C here at Fractal Central on Wednesday kept the fractal cats quite content. In the human department, things went well enough also. The next FOTD will be posted in 24 hours. Until then, take care, and be of sound con- stitution, but don't make too much noise while you're at it. Jim Muth jamth(a)mindspring.com START PARAMETER FILE======================================= Technicolor_Midget { ; time=0:00:57.97-SF5 on P4-2000 reset=2004 type=formula formulafile=slices.frm formulaname=MandelbrotN center-mag=-1.294675469422\ 403/+0.05488858990964249/1.010264e+011/1/17.5/0 params=1.99/0/0/0/0/0 float=y maxiter=1600 inside=0 logmap=219 periodicity=6 colors=0009EK9DI8BG7AE69C57B469357235123011D0QB0NA\ 0L90J80H70F60D40B309206104002000000000000000000000\ 000000000000000zKCuFBpCAk99f68a47X26S26N25J14F13B1\ 27013009mI6cC3U68Kz7Av65m55c54Z43U33P22K21F11A005p\ zJirHckGWcEPYDMTBJPAHM8EI7BE58B4572231f2nX1hM1ZI1P\ D0K90F405G8INCP1a_0YX0VU0SR0POHWMFSJCNGAIC7E959603\ 32432NZ1LX1KV1JT1IR1GP1FN1EM1DK1CI0AG09E08C07B0690\ 47035023011z0Iz0Hz0Gz0Fz0Ez0Dv0Cr0Bm0Ah09c18U17K16\ A15514403302201100`3gR2XI1M90Bzv0vs0rp0mm0mj0mg0me\ 0mb0c_0cX0cU0US0UP0UM0UJ0KG0KE0KB0A80350120PJJNIIM\ HHLGGKFFJEEIDDHCCFCCEBBDAAC99B88A77966766655544433\ 3222111001Q_0MV0JR0GM0DI09D069034Y7cW6cU6cT6cR5cQ5\ cO5cN4cL4cK4cI3cH3cF3cD2cC2cA2c91c71c61c40c30c1Kc0\ Kn0Kk0Ki0Pg0Ud0Zb0c`0hY0mW0rU0zU5zZAzcFzhKzmPzrUzv\ Zzzczzhzzmzzrzzvzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz\ zzzzzzzzzzzzzzzzzzzzzzzzz } frm:MandelbrotN {; Jim Muth b=p1, z=p2, c=p3+pixel: z=z^(b)+c, |z| <= 16 } END PARAMETER FILE=========================================

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Re: [Fractint] Detecting MIDI hardware and emulating VESA under windows.
by Jay Litwyn 17 Feb '11

17 Feb '11

Author: Richard Date: 2011-02-16 14:23 -700 To: FractInt Discussion Subject: Re: [Fractint] Detecting MIDI hardware and emulating VESA under windows. > Which feature in fractint are you using that depends on MIDI/sound > output? Press CTRL-F. SW-synth (if you double-click on your speaker icon in your lower right hand corner, then it pulls up your mixer) is also volume control on MIDI file playback. > Can you supply a PAR file that captures the situation you're having > trouble with? Again, press CTRL-F. Disable the PC-speaker. Enable the sound card. My sound card is Intel-IBM-Lanovo, which does not do SoundBlaster. I was trying to get soundblaster emulation with VirtualBox, so that I could record it with low (damn near no) noise. I also wanted VESA support (for graphics modes above 300x400x256). Today, that is a wash, whether by cygwin or VirtualBox. It just focuses me on delivering a flavour of my synthesizer that processes orbitsave files from FracTint, and those will be extremely clean sound files (double precision in my synthesizer is massive overkill, and it makes me feel superior). _______ http://ecn.ab.ca/~brewhaha/Sound/

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FOTD 18-02-11 (The Sub-Continental [8])
by Jim Muth 17 Feb '11

17 Feb '11

FOTD -- February 18, 2011 (Rating 8) Fractal visionaries and enthusiasts: We (meaning I) finally created an image that earns a respectable rating -- that of an 8. The scene lies in the East Valley of the large minibrot on the main stem of the parent fractal, which is the near-Mandelbrot set that results when the formula Z^(2.00001)+C is iterated. On the surface, this parent fractal cannot be distinguished from a true Mandelbrot set. In fact just about the only difference lies along the negative spike, which instead of being a single line, has become infinitely divided. Today's curious scene lies at the edge of this divided spike. Though the generating formula has a fractional exponent of Z, the value is so close to the integer 2 that the discontinuities in the image are rather hard to pick out. (Check the spirals.) The rating of a pretty good 8 may indicate that I am finally out of the recent fractal doldrums. Time will tell. The name "The Sub-Continental" came to mind when something in the image brought to mind the architecture of the Indian Subcontinent. The calculation time of 1-3/4 minutes is gratifyingly brief. Equally brief is the time required to visit the current FOTD web site at: <http://www.emarketingiseasy.com/TESTS/FOTD/jim_muths_fotd.html> where today's image is posted in finished form. The original FOTD web site may be accessed at: <http://www.Nahee.com/FOTD/> The sun was mostly filtered by a layer of high clouds here at Fractal Central on Thursday, but the temperature of 61F 16C made up for the lack of solar warmth and kept the fractal cats on their window shelf most of the afternoon, from where they kept close watch on the local feral cat activity. My day was slower than average; FL's day was average. The next FOTD will be posted in 24 hours. Until then, take care, and where do the feral human beings hang out? Jim Muth jamth(a)mindspring.com START PARAMETER FILE======================================= TheSub-Continental { ; time=0:01:45.35-SF5 on P4-2000 reset=2004 type=formula formulafile=slices.frm formulaname=MandelbrotN center-mag=-1.749424462413\ 316/+0.00004800200002821/2.245526e+010/1/150/0 params=2.00001/0/0/0/0/0 float=y maxiter=2800 inside=0 logmap=300 periodicity=6 colors=000WTQWVRWWSWYTWZUW`VWaWWcXVeYOgVHiSBkPDmSF\ oUHoWIlYKi_MeaNbcP_eRYhSVjURlWOnXLpZIr`FtaCvbFubHt\ bKtbMsbPscRrcUrcWqcZqc`pdcpdeodhodjndlnbom`qmZtmYv\ lWylUzlTzlVukWqkYmkZhk`bjaYjcRjdPjfNigLiiJiiHihHef\ HadGYbFU`EQZDNXCJVBFRABN97J84FA5AA5AA5AA5AA6AA6AA6\ AA6AA7AB7AC7AD7AE8AF8AG8AH8AIBAJEAKHAKK8KN6KP7JP8J\ PAKPBLPDMQENQFNQHOQIPQKQQLRQMRQOSTPTVQUXRVZSWaTXcU\ YeVZgW_jX`lYanZap_as`auaawbayaaz`az_azZbz_cz`dzadz\ bezcdzdezeezffwgfthgqihnjikkjhlkemlbnl_ojXphUqeRrb\ Os_OsXPtVPtSPtPQuMQuJQuHQvGOwGNxGMyGLzGKyFIwFHtFGr\ FFoFElECiEBeEAcE9cE8cE7eJ8gN9jRAmVBpZCqcDrgEvlFzqG\ zvzwzcswJmsKfrLYoLSkUMhcHdmF_rEXvCWzBVzAUk9Tb8S`7Q\ Y6PV5NT4LS3KQ2LO1NM0PL8RQGTVOS_WUdaWieZneaj`efWgbR\ jZLlVGoRBqNEtJKvFUwIcxLmxOwyRzzUzzXzz_zzbzzdzzazzZ\ zzWzzVzzUzzZzzczzhzzmzzrzzwzzzzzzzzzzzzzzzzzzzzzzz\ zzzzzzzzzzzzzzzzzzzzzzzzz } frm:MandelbrotN {; Jim Muth b=p1, z=p2, c=p3+pixel: z=z^(b)+c, |z| <= 16 } END PARAMETER FILE=========================================

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Re: [Fractint] Detecting MIDI hardware and emulating VESA under windows.
by Jay Litwyn 17 Feb '11

17 Feb '11

Lots are people are into the game of dropping backward compatibility. I think it is called "planned obsolescence", only most people hav no clue what the schedule for it is. Eventually, I went with VirtualBox rather than cygwin, because cygwin's download manajer crumbles during dial-up retrains. I had to create a bootable CD. Ahead Nero chose Caldera OpenDOS. Unfortunately, their configuration leaves me with 324k, which is enough to run FDISK on a virtual drive. It is not enough to "FORMAT C: /X /S". I was sweating a little bit at that point, double-checking that this was indeed a virtual drive, simulated in space on an NTFS volume. Dir C: ...no used space. The biggest consumer of memory seems to be something called FAT32: 119kB. Does anyone hav a bootable CD image with more memory to spare than that? http://www.allbootdisks.com/downloads/ISO/AllBootDisks_ISO_Image_Downloads2… Ah-ha. Maybe I can even shell out of fractint when I am done. What concerns me is how to move things saved on a virtual C: drive to a real FAT32 partition on my USB drive. I think that's what Oracle calls an attachment. I once ran FRACTINT under the command processor for DOS, which was great in a way, because then I had XMS. Unfortunately, the Dos Protected Mode Interface (DPMI) was broken, so when I ran a batch file, SIMPLGIF broke -- I'd hav to run it under CMD.EXE. It seems like Micro$oft should be doing this stuff, rather than Oracle, but then it would *probably* not be open-source. Lots are people are into the game of dropping support for old versions. _______ Wyszkowski's Second Law: Anything can be made to work if you fiddle with it long enough.

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FOTD 16-02-11 (Blue-Bluer-Bluest [6])
by Jim Muth 15 Feb '11

15 Feb '11

FOTD -- February 16, 2011 (Rating 6) Fractal visionaries and enthusiasts: Like yesterday's parent fractal, the parent fractal of today's image is not a single large Mandeloid, but rather a scattering of Mandeloids of various sizes, with one main central Mandeloid surrounded by smaller Mandeloids. Today's image lies in the detail in the vicinity of one of the smaller Mandeloids. When I first saw today's color palette, I thought it had too much of an overall bluish cast, so I cut back on the blue while increasing the red and green. Then I decided I liked the somber atmosphere created by the blueness, and returned to the original subdued blue version. One would imagine that blue shades, with their higher frequency, would create a feeling of action, but for some reason, the exact opposite is true. Fiery red hues create a feeling of hectic activity; blue hues create a feeling of calmness and serenity. The name "Blue-Bluer-Bluest" simply comments on the blueness of the scene. The rating of a 6 continues the streak of images just a little above average. The calculation time of 1-1/3 minutes is fair enough, but the trip to the active FOTD web site at: <http://www.emarketingiseasy.com/TESTS/FOTD/jim_muths_fotd.html> will require less effort. The original FOTD web site may be accessed at: <http://www.Nahee.com/FOTD/> The temperature of 36F +2C here at Fractal Central on Tuesday was made much more pleasant by the total sun and light winds. The fractal cats took full advantage of the sun, spending the entire afternoon basking on their shelf in the southwest window. My day was busy but still under control. FL's day was unevent- ful also. The next in the apparently endless series of FOTD images will be posted in 24 hours. Until then, take care, and discover who and what you are. Jim Muth jamth(a)mindspring.com START PARAMETER FILE======================================= Blue-Bluer-Bluest { ; time=0:01:21.06-SF5 on P4-2000 reset=2004 type=formula formulafile=basicer.frm formulaname=MandelbrotBC3 function=ident passes=1 center-mag=+0.6714632237871783/+0.0609363256784964\ /106666.7 params=1.89/0/13/0 float=y maxiter=1600 inside=0 logmap=105 periodicity=6 colors=000DWYDTVDQTENQEKOEHLFEIFBGF8D05B9AOAFWAKc9\ Pc8UcGZcObhWemcirklzeet`ZcWTYRMWMGVLEWLDWLDWKCWKCW\ KBWKBWJAXJAXJ9XJ9XI8XI8XI7_I7cJ9hKBmKDrLFvLHzMJzML\ zNNzNPzORzOTzPVzPXzQczQhzRkzSfzTdzT`zUZzVZvVYrWYmX\ YgXXeYXcZXaZW__WY`WW`WUaUWaTXaSYaRZbQ_bPabObbNccLd\ cKecJgcIhdHidGjdFkdElcBmb9mb6na4na2nZ4lX5jV7hS8fQA\ dOBbMD`JEZHGXFHVCJTAKR8MP6NO7SR8WT8_W9cYAg`Akb5rQI\ _LVIHWKIWMJWNKWPKWQLXSMXTNXVNXWOXYPYZQY`QYaRYcSYdS\ UeWRfZOgaKheHihEjkBjnFfmIblLZkOVjRRiUNhXJg_FfbBee7\ dgDchJciOcjUcl_cmdcnjcoocmpfkphjpjhplfqoeqqcqsaqu`\ qwStZKvBJmKJdSIW_INgIEoMGpQIqTKqXMr_OrcQsfSsjUtmWt\ kVsiVrhUqfUqeTpcTobSn`Sn_RmYRlXQkVQkURjSSiRTiMUaKV\ UKWMUXEUY7UZ8c_8c`9ca9hb9hcAhcAmcAmcBmcBrcCvcCzcCz\ cDzcDzcDzcEzcEzcFzcFzbFzaGz`Gz_HzZHzYHzXIzWIzVJzUJ\ zTJzPLzMNzJPzGRzDTzAVz7Xz4Yz5Wz6Uz6Sz7Qz7Oz8Mz8Kz9\ Iz9GzAEzACzBAzB9zE8zH7zK7 } frm:MandelbrotBC3 { ; by several Fractint users e=p1, a=imag(p2)+100 p=real(p2)+PI q=2*PI*fn1(p/(2*PI)) r=real(p2)+PI-q Z=C=Pixel: Z=log(Z) IF(imag(Z)>r) Z=Z+flip(2*PI) ENDIF Z=exp(e*(Z+flip(q)))+C |Z|<a } END PARAMETER FILE=========================================

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