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Article #401Yet another correction to NOEL.FRM
From: Noel Giffin
Date: Wed, 09 Mar 1994 07:03
Date: Wed, 09 Mar 1994 07:03
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One more minor point for everyone using my latest formula file. I came across a problem with symmety specification on a subset of these formula. All the "HT" varients (which contain the P1/temp term) only exhibit Xaxis or XYaxis symmetry if the P1 term has a zero imaginary component. Most of the formula using this are set up for X or XY axis symmetry as the computing time is so reduced if your along the affected axis. I was mostly using a zero imag component for these formula and only recently started playing with imaginary parts and discovered the anomaly. You can use them the way they stand, and you will always get something interesting, but the symmetry will be forced. This becomes a problem if you are along an axis with the symmetry turned on and decide to pan the image a little and recalculate a new strip. It won't always line up. Noel@reg.triumf.ca
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X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: 10ed18,d160271ec86b493e,start X-Google-Attributes: gid10ed18,public X-Google-Thread: ff06e,d160271ec86b493e,start X-Google-Attributes: gidff06e,public X-Google-ArrivalTime: 1994-03-08 23:03:00 PST Path: arc1-ca.pugleaf.net!gmd.de!newsserver.jvnc.net!yale.edu!nigel.msen.com!usenet.ins.cwru.edu!gatech!newsxfer.itd.umich.edu!nntp.cs.ubc.ca!unixg.ubc.ca!reg.triumf.ca!noel From: noel@reg.triumf.ca (Noel Giffin) Newsgroups: sci.fractals,bit.listserv.frac-l Subject: Yet another correction to NOEL.FRM Date: 8 Mar 1994 23:03 PST Organization: TRIUMF: Tri-University Meson Facility Lines: 13 Distribution: world Message-ID: <8MAR199423035688@reg.triumf.ca> NNTP-Posting-Host: reg.triumf.ca News-Software: VAX/VMS VNEWS 1.41