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Fractals F.A.Q (Last Updated: 2024 Nov 13 3:03 pm)




Subject: Fractal programs


Ragman ( ) posted Sun, 25 May 2003 at 10:06 PM · edited Fri, 22 November 2024 at 11:07 AM

I was wondering what programs you fractal people use to make pictures. Are there programs that you actually have to buy, or are there freeware/shareware apps too? I guess just post the name of the programs you use...that's all I'm really asking...


sciman ( ) posted Mon, 26 May 2003 at 1:25 AM

Just redirect the output of this program to a .png file and voila you have your own Mandelbrot set generator. You'll need the GD module from CPAN. #!/usr/local/bin/perl use GD; #some important variables######## $width = 200; $height = 200; # $minIm = -1.5; $maxIm = 1.5; # $minRe = -2.0; $maxRe = 1.0; # $x = 0; $y = 0; # $MaxIter=20; # ################################# #xcreate a new image $image = new GD::Image($width,$height); #$minRe = param('xmin'); #$maxRe = param('xmax'); #$minIm = param('ymin'); #$maxIm = param('ymax'); #define some colors $white = $image->colorAllocate (255,255,255); $black = $image->colorAllocate (0,0,0); #start the mandel code for($Im=$maxIm;$Im>=$minIm;$Im-=($maxIm-$minIm)/$height){ for($Re=$minRe;$Re<=$maxRe;$Re+=($maxRe-$minRe)/$width){ $zr=$Re; $zi=$Im; for($n=0;$n<$MaxIter;$n++){ $a=$zr*$zr; $b=$zi*$zi; if($a+$b>4.0) { $color = $black; last; } $zi=2*$zr*$zi+$Im; $zr=$a-$b+$Re; } #print the color at x,y $image->setPixel($x,$y,$color); $color = $white; $x++; } $x = 0; $y++; } binmode STDOUT; #convert to PNG and print print $image->png;


tresamie ( ) posted Mon, 26 May 2003 at 2:15 AM

Attached Link: http://home.att.net/~Paul.N.Lee/Fractal_Software.html

Go to this web page. It has a list of more fractal programs than you can imagine. Several cost money, most are free. Tres

Fractals will always amaze me!


tharpa ( ) posted Wed, 28 May 2003 at 8:02 AM

Attached Link: http://www.eclectasy.com/Fractal-Explorer/

I've happily used Fractal Explorer for many years.


Rose ( ) posted Wed, 28 May 2003 at 7:18 PM

Attached Link: http://members.aol.com/Roseb44170/designs.htm

I use Ultra. It's a great program and has a lot options. There's even a mailing list for it but I had to unsubscribe because of the oh so many emails.


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