FOTD -- April 15, 2010 (Rating 8) Fractal visionaries and enthusiasts: Today's image is a slight revision of an image that first appeared in April, 1997, the first month of the FOTD. When I started the FOTD on the Fractal Art list, I expected to post maybe 5 or 10 images, showing that complicated formulas are not necessary for interesting fractals. Since then I have posted over 4500 fractal images, and the supply of new images is in no danger of running dry. I think today's image is the only one I have created with the formula named 'bubbles'. The formula resembles one of my MandNewt series however, so I might have simply used the same formula under a different name. Curiously, the formula has no variable parameters. Most of the interest, which is in the bubbles, was created by rendering the image with the inside set to bof60. When the dust settled, I gave the result a rating of an 8, despite the fact that it is not entirely new. The name "Bubbles from the Past" needs no explanation. The calculation time of 1-2/3 minutes will seem like 30 seconds once the bubbles start popping into view. Or, to escape the popping, the finished image is instantly available on the FOTD web site at: <http://www.Nahee.com/FOTD/> Wednesday began with fog here at Fractal Central, but a strong sun cleared away the fog by 10am, leading to a sunny day with a temperature of 66F 19C, all of which kept the fractal cats happy. My day, as well as FL's day, was happy also. The work was light and the fractal, despite its venerable age, turned out pretty good. The next FOTD, perhaps another blast from the past, will be posted in 24 hours. Until then, take care, and dream fractal dreams. Jim Muth jamth@mindspring.com jimmuth@aol.com START PARAMETER FILE======================================= BubblesFromThePast { ; time=0:01:40.72-SF5 on P4-2000 reset=1950 type=formula formulafile=basicer.frm formulaname=bubbles float=y center-mag=+0.26701697\ /+0.92776452/101.211/1/50/0 float=y maxiter=250 passes=1 inside=bof60 logmap=yes periodicity=0 colors=000zzzzskzl`zdUs_HpUOnPMmJLkHKjFIhDHgBGe9Fd\ 7Db5Ca3BZ4CW5CU5DR6DO6EJ7KJ7RUUtUUtUUoUUoqaapaaoba\ obanbambalcakcajcajcaidahdaafZUhVNjSFlO8nL8nN8nQ8n\ S8nZ8nc8nh8nm8mr8pv8sz8vz8tz8qz8pw8lsGhoO`iXXcdcXl\ mRzzLrmNpcQnUSkKViLXgN_ePacQdaSf_UiYWkVYnTZpR`sPbu\ U_nZWgbT_gPTlMMjPMhSMfVMdYLb`L`cL_fLYhLWkLUnLSqKQt\ KOwKMzKKxLJuMHsMGqNEnOClPBjP9hQ7eR6cS4aS3ZT1XU4ZS6\ `R9bPBdOEfMGhKJkJLmHOoFQqETsCVuBYw9_y8`t9ap9bl9chA\ ddAe`AfXAgTAhPAiLBjHBkDBk9BnKJqVRtdYrdVpeSnePlfMkf\ JifFggCeg9ch6ah3`h0Zj3Yl6Xm9VoBUpETrHSsKQuMPvP7hh6\ ce5Zb4U_3PX2KU1FR3WP5mMt8jbFeLN_LUaL_bLfdLleLsgMzi\ KveIraFnXDjTAfP8bK5ZG9aICcLGfNMTRSEVY0ZZ1Z`2Ya4Yb5\ Yd6Xe7Xa8VY9TUAQRCONDMJEKFFHBGFDJDENCGQAIT8JW6L_5M\ b3Oe1Ri9TmGWqOYuV`ybXuaUp_QlZMhYIcWF_VBVT7RS7SO6TK\ 6UH5VD5W9Cz5gOjjadhKolUnocmsmleLpeWqdfrdqsiAhn9`_J\ nUSkN`iHiffPrgctirwb9o_8n } frm:bubbles {; Jim Muth z=c=pixel: a=sqr(z)+(c-1)*z-c b=3*sqr(z)+c-1 z=z-2*a/b, .000000000000000000000000000001 <= |a| } END PARAMETER FILE=========================================