No chaos in this spiral! Today's fractal is an example of a repetitive regimented self-similarity. Note that banding was caused by a high outside=fmod proximity value-0.5. To see it pre-rendered go to http://maxitersfractalfollies.blogspot.com And now for the numbers. fract027.gif { ; metallic spiral ; blank ; calctime 0:11:37.21 ; created Apr 16, 2010 ; Fractint Version 2004 Patchlevel 9 reset=2004 type=formula formulafile=_k.frm formulaname=kg2204 function=cosh/tanh center-mag=0.28035/-1.17195/13.33333 params=-0.6006347849971008/-0.3339030121768853/0.5191503646961882/0.1598\ 254341257973 float=y maxiter=1500 inside=0 proximity=0.5 outside=fmod colors=000111333444666777999AAACCCDDDFFFHHHIIIJJJLLLMMMOOOPPPRRRSSSUUUVV\ VWWWYYYZZZ___```bbbcccdddeeefffhhhiiijjjkkklllmmmnnnoooppppppqqqrrrsssss\ stttuuuuuuvvvwwwwwwxxxxxxxxxyyyyyyyyyzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz\ zzzzyyyyyyyyyxxxxxxxxxwwwwwwvvvuuuuuutttssssssrrrqqqppppppooonnnmmmlllkk\ kjjjiiihhhfffeeedddcccbbb```___ZZZYYYWWWVVVUUUSSSRRRPPPOOOMMMLLLJJJIIIHH\ HFFFDDDCCCAAA999777666444333111000111333444666777999AAACCCDDDFFFHHHIIIJJ\ JLLLMMMOOOPPPRRRSSSUUUVVVWWWYYYZZZ___```bbbcccdddeeefffhhhiiijjjkkklllmm\ mnnnoooppppppqqqrrrsssssstttuuuuuuvvvwwwwwwxxxxxxxxxyyyyyyyyyzzzzzzzzzzz\ zzzzzzzzzzzzzzzzzzzzzzzzzzzzyyyyyyyyyxxxxxxxxxwwwwwwvvvuuuuuutttssssssrr\ rqqqppppppooonnnmmmlllkkkjjjiiihhhfffeeedddcccbbb```___ZZZYYYWWWVVVUUUSS\ SRRRPPPOOOMMMLLLJJJIIIHHHFFFDDDCCCAAA999777666444333111 } frm:kg2204 { z=pixel^p1: z=fn1(z)/p1 ^ fn2(z)^p2 + c |z| <= p2 ;SOURCE: kg22.frm } -Max Iter _________________________________________________________________ Hotmail & Messenger are available on your phone. Try now. http://go.microsoft.com/?linkid=9724461