Note that there is a Java 1.1 version of this applet (this is a Java 1.0 version). If your browser supports Java 1.1, try this version. It will probably work better.
To start just click "New MSet" or "New Planet" and a window will appear and begin drawing an image; or click "New Window" and the window will wait for you to start the drawing, so you can set the window size or look through the menus first. For help and more information, click the "Help and About" button (or click here).
When a Mandelbrot set has finished drawing you can zoom in on the interesting parts. To zoom in just make a selection: press the mouse button at a starting point and hold it down, drag the mouse diagonally across the interesting area, and release the button at the point that completes the selection. A new image of the selected area will automatically begin. You can see the Julia set for a point in or near the Mandelbrot by single-clicking that point. The Julia can be magnified with a selection just as the Mandelbrot can, and a click on the Julia set will redraw the Mandelbrot.
There are parameters for the images which can be adjusted through dialog boxes. You can open a settings dialog by selecting the menu Image->Settings on an image window's menu bar. If you need help with the dialogs -- and many of the settings do need explanation -- click the applet's "Help and About" button.
The fractal planet generator code is an adaption of the ppmforge program that is included with the pbmplus and NetPBM raster image utilities. The license in ppmforge.c allows unrestricted use of the code. To find the NetPBM utilities look here.
Ed Hynan <email@example.com>