########################################################## Here is a zoom and pan in Jim Muth's Oct 4,'06 FotD that creates a delicate lace pattern. Interestingly, one additional zoom is not supported by the floating point precision in my Intel chip. A muddy erratic image results. If you zoom out a few times from Jim's original image all you see is empty space. But I reached up to brush a speck of dust off my monitor and discovered that it was a lit pixel. When I zoomed on the pixel it went away. However, that was due to the solid guessing (g) method of rendering being used. (Solid guessing rendering appears to be the default value for the first entry on Fractint's 'X' page of modifiable parameters. I changed the 'g' to a '1' to get single pass rendering -- a method of rendering that won't drop pixels like solid guessing can.) When I changed to single pass rendering I was able to zoom and still see the pixel. That single pixel when zoomed in on expanded to this image. If the resolution you choose is too low, many points that make up the lace can be lost. 1024 x 768 works well. The lace pattern in my parameter file is not framed exactly the same way as my original .gif image is. No matter how many times I reload the original image and create its parameter file, the size of the parm file generated image seems to be about 10-15% smaller than my original .gif image. Anyone have any ideas about what's going on??? <---<< - Hal Lane ######################### # hallane@earthlink.net # ######################### START PARAMETER FILE======================================= Lace_C { ; Hal Lane Oct 04,'06 5:06 P400 1024x768 ; Zoom and pan in Jim Muth's Oct 4,'06 ; FotD. If you zoom once more floating ; point precision is lost. Nice lace. ; If the resolution you choose is too ; low, many points that make up the lace ; can be lost. 1024 x 768 works well. reset=2004 type=formula formulafile=_pastarc.frm formulaname=mandelbrotmix4 function=recip passes=1 center-mag=+3.49473090804890900/+1.14324392815559900/2.\ 360511e+012/0.9997/130.041983675011238/-0.0172431643752\ 262304 params=1/-1.5/0.333/-4.5/0/0 float=y maxiter=1000 inside=0 logmap=79 periodicity=10 sound=off colors=0000A0<3>0C9<2>AEFDFHHHJ<3>UPRXRT`TVcVYfX_iZa<3>\ mhiojkpmmroprrsttvuuzwuzxuzzuzzuzzuzxqzvnwukrshm<3>p_Up\ YQoWN<3>lOClMAhLD<3>UIPRHSNGVKGXdUfygpp0mgQo_oq<3>JkmFj\ lIdn<3>UItceI<3>MBJI4JJ8I<8>MaHNeGNhG<3>OuG<8>knhmmkpln\ <3>zjz<4>jVegRadOY<3>TCIYqm<2>KEE1kE9O8d0xlK8<2>O53pRec\ ISS9FnW0_cBQK6grAgrxIQ1<2>G72tD`_7JxZb1Ik6CWB6HGUD<2>G8\ 4gRZYIOP9DQFz<2>I4H4f_EYy<2>G9H_GX<2>L49n0xtldfXSTHFk9c\ W5L5uR9bIDKAA4mf0P<2>M07wVh<2>R8C5cz9ReDEMCib21h71UC1Gg\ 9KBjV7oV3sVOSdh0n<2>cFR<3>KIXFJZAJ_5Ka1KbUVNvd8<3>Q5SI0\ XU0Ve2T<3>m4qo4wxTrP0`K1JkaU<2>OA9PoEMZAJI65OOBCD80mB0Y\ E0IjQIVDA_nZQQI9GQCBIE6AB_VDOLFCBM0TK0MR6OO7L000 } 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======================================== ########################################################## -- No virus found in this outgoing message. Checked by AVG Free Edition. Version: 7.1.407 / Virus Database: 268.12.12/462 - Release Date: 10/3/06