[Fractint] Subtle Brot

12 Jun 2015

      This fractal mixes tangent and z^2. The minibrot is surrounded by a lot of
irregularly shaped inside stuff that make it a little less obvious.

Here is a link to an image:

http://dl.dropboxusercontent.com/u/33642054/image/subtle_brot_800_5.jpg

The FractInt compatible PAR file for the image is:

Subtle_Brot { ; Exported from Fracton.
 reset=2004 type=formula formulafile=fracton.frm
 formulaname=F_20150612_1229 passes=1 float=y
 center-mag=0.1403000647626814/0/4167350.681273673/\
 1/0/0
 params=1/-1/2/2/-1/0/1/0/0/0 maxiter=2000
 inside=0 periodicity=6
 colors=000FMMCSSC__CggCooCosCgsC_sCSsCKsCCsGGtLLuQ\
 QvYYweexmlzbbwWWkaRUjKLpFGsKKsSSs__sfeumfxtgzzgxx_\
 uuSssKssCksCcsCWsCSpCQiEOaGNVHLOJKKLMMPNNTPPWQQ_RR\
 cUUi__oWdrGhrCcsCWsCOsCGsGCsOCsWCscCskCssCssCksCc0\
 00FMMCSSC__CggCooCosCgsC_sCSsCKsCCsGGtLLuQQvYYweex\
 mlzbbwWWkaRUjKLpFGsKKsSSs__sfeumfxtgzzgxx_uuSssKss\
 CksCcsCWsCSpCQiEOaGNVHLOJKKLMMPNNTPPWQQ_RRcUUi__oW\
 drGhrCcsCWsCOsCGsGCsOCsWCscCskCssCssCksCc000FMMCSS\
 C__CggCooCosCgsC_sCSsCKsCCsGGtLLuQQvYYweexmlzbbwWW\
 kaRUjKLpFGsKKsSSs__sfeumfxtgzzgxx_uuSssKssCksCcsCW\
 sCSpCQiEOaGNVHLOJKKLMMPNNTPPWQQ_RRcUUi__oWdrGhrCcs\
 CWsCOsCGsGCsOCsWCscCskCssCssCksCc000FMMCSSC__CggCo\
 oCosCgsC_sCSsCKsCCsGGtLLuQQvYYweexmlzbbwWWkaRUjKLp\
 FGsKKsSSs__sfeumfxtgzzgxx_uuSssKssCksCcsCWsCSpCQiE\
 OaGNVHLOJKKLMMPNNTPPWQQ_RRcUUi__oWdrGhrCcsCWsCOsCG\
 sGCsOCsWCscCskCssCssCksCc }

frm:F_20150612_1229 {
; Similar to the parallel resistance formula
a=real(p1),b=real(p2)-1,d=imag(p1),f=imag(p2),
z=0,c1=pixel-p3,c2=pixel-p4:
z=1/(1/(a*(z^b)*tan(z)+c1)+1/(d*(z^f)+c2)),
|z|<100
}

-- 
Mike Frazier
www.fracton.org