Fractint/Xfractint Version 20.4 is now available
Version 20.4 patches and executables (DOS) are now on the developer's web site: www.fractint.org What's new: Incremented the version number to accommodate backwards compatibility for the mandel based per-pixel routines that were not setting the Y variable. Added a passes=o option that draws an image by plotting the orbits of the escape time fractals and leaving them on the screen. This technique uses the same coordinates to draw an image as the other passes options, sets "passes=1" and no symmetry, and then plots the orbits for each pixel. See {Drawing Method}. Cleaned up panning logic. Cleaned up docs. Xfractint fixes: Fixed the newton and newtbasin types in Xfractint so they would work without using the FPU=387 option. Fixed the Xfractint mandelbrot code in calmanfp.c so that the image generated matched the one produced by the StandardFractal() routine. Fixed the outside=sum option when used with the mandel fractal type. Fixed the command line option -geometry, which broke at 20.2.05. Jonathan
On Sat, 13 Nov 2004, Jonathan Osuch wrote:
Added a passes=o option that draws an image by plotting the orbits of the escape time fractals and leaving them on the screen. This technique uses the same coordinates to draw an image as the other passes options, sets "passes=1" and no symmetry, and then plots the orbits for each pixel. See {Drawing Method}.
I won't be sure what this means until I see it, but it is perhaps possible to find inside points from other inside points when the orbits coincide _exactly_ with pixels. It might not be appropriate as another method but rather a switch that should go on the same set of parameters as periodicity-checking.
Cleaned up panning logic.
If you mean that Fractint won't re-draw when you change certain sound parameters, thank you. That would not be the same, but it's related, because panning logic keeps the computer from starting from scratch when it shouldn't have to.
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Jonathan Osuch