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<title>Test Fractal Generator</title>
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<body><center>
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<a href="http://www.he.net/~seidel/">Home</a>
<p>
<img src="./h3.gif">

<h1>Test Fractal Generator</h1></center>

<p>
<a href="http://www.pangloss.com/seidel/Frac/fracexp.html">How it works</a> 
&nbsp;&nbsp;|
&nbsp;&nbsp;&nbsp;<a href="./Gallery/frac1.gif">Fractal Movies (136k)</a>
are easy to make.
&nbsp;&nbsp;|
&nbsp;&nbsp; 
<a href="http://www.pangloss.com/seidel/Frac/J_Frac.html">Java Version</a>
<p>
Explore for interesting regions in the plane by entering some values (or using
the defaults), and the computer will iterate them and generate a gif
image. The origin (0,0) is a high activity area (as long as a, b are raised 
above .35). <b>a</b> and <b>b</b> are the interesting 
numbers to play with. For example, try varying a and b by 10%, or 
compare the result of the defaults to these values (x, y) = (0.6, 0.58),
(x_inc, y_inc) = (0.0015, 0.0015), (a, b) = (0.4, 0.389). 
Or see the result <a href="http://www.pangloss.com/seidel/Frac/Gallery/testsm.gif">here</a>

<form method="POST" action="http://www.pangloss.com/seidel/Frac/fgen.cgi">
<p>
<input type="text" name="x_start" value="0.2">
Begining X-value (should be les than 2.0)
<p>
<input type="text" name="y_start" value="0.4">
Begining Y-value (should be les than 2.0)
<p>
<input type="text" name="x_increment" value="0.001">
Increment of X field<br>
(should be small enough so that 200*X_increment is less than 2.0)
<p>
<input type="text" name="y_increment" value="0.001">
Increment of Y field<br>
(should be small enough so that 200*Y_increment is less than 2.0)
<p>
<input type="text" name="a_value" value="0.4">
Value of <b>a</b>
<p>
<input type="text" name="b_value" value="0.32">
Value of <b>b</b>

<br>
<select name="size">
<option value="200x200">200x200
<option value="300x300">300x300
<option value="400x400">400x400
<option value="600x600">600x600
</select> Size of x, y field in pixels
<p>
<input type="submit" name="submit1" value="Crank it Up">
<input type="reset" value="Reset Values">
<p>Max number of iterations:
<input type="radio" name="iterations" value="75" checked>75
<input type="radio" name="iterations" value="150">150
<input type="radio" name="iterations" value="300">300
<p>
<input type="checkbox" name="collaborate" unchecked> Collaborate with 
<a href="http://www.worldvillage.com/jchuang/Music/Mozart/mozart.cgi">Mozart</a> (allows the option to submit your 
data to the Mozart Collaborator) 
</form>
<p>
<font size="+1">
Configure your own
<a href="http://www.pangloss.com/seidel/Frac/color_table.html">color choices.</a>
<p>
<a href="http://www.pangloss.com/seidel/Frac/mantest.html">Mandelbrot Fractals</a>
</font>
<p>
Visit the <a href="http://www.pangloss.com/seidel/Frac/gal.cgi">User Gallery</a>
<p>
The fractal generator as a <font size="+1"><a href="http://www.pangloss.com/seidel/Frac/J_Frac.html">Java applet</a>.</font>
<br>
<hr>
<small><b>Note: Because a malicious hacker destroyed the server this program was running on, many of the links are not yet functional again. I'm working to restore things, but it may take some time. Actually, hackers are cool. It's malicious hackers, but known as crackers, those who break in and destroy things, that suck.</b></small>
<P>
<a href="http://www.pangloss.com/seidel/ClrHlpr/">HTML Color Helper</a> - a utility for finding the right colors 
for your homepage.
<p> 
Try your hand at <a href="http://www.pangloss.com/seidel/Poem/">Electronic Poetry</a><p>
<p>
<a href="http://www.he.net/~seidel/ChitChat/">Chat Server</a> - Exchange 
character strings with a friend via a web browser.
<p>
New! Play <a href="http://www.worldvillage.com/jchuang/Games/Ghost/home.cgi">Ghost</a> - a two player word game (see if 
anyone is waiting to play) <p>
<hr>
Constructed and maintained by <a href="http://www.he.net/~seidel/">Chris Seidel</a>

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