JackOTradez wrote:
There is an excellent file (albiet a few years old) called PHCTUTOR.ZIP which contains a TXT tutorial and a FRM example file. It describes and demonstrates the multifractal concept quite well. I have been investigating it. It uses the IF/THEN/ELSE programing logic and uses an "alternating pixel" technique to superimpose different fractals. I am trying to animate these but it is not so easy so far. I am not sure where to get it - probably one of the Fractint support sites. If U R interested I can just email it to you or post in on my web site for download. <<
As the discoverer of the PHC technique, I used it many years (particularly with the Carr2821 formula) to generate some magnificent images. There are thousands of PHC and PTC formulas, many in the Orgform collection. The tutorial is still available at the Fractint support sites. The nice thing about Al's multifractal formula (while not as general as the PHC technique) is that it doesn't use a checkerboard to mesh the composite images. It averages the colors for every pixel. Panning an image doesn't require panning rows or columns in multiples of two and it doesn't confuse most thumbnail generators. And it gives a sharper image at any resolution than a PHC.