[pstricks] improve the code Figure is not drawn continuously

[Herbert Voss]

Am 14.01.2012 10:37, schrieb Herbert Voss:

>> As suggested a while ago, stepFactor=0.1 improves
>> the drawing but it takes too much time in my (old)
>> computer.
>
> I'll improve the code over weekend. By now the area is scanned
> from left to right to find all pixels where the function changes
> its value from plus to minus or vice versa. I'll add an additional
> scan from top to bottom to close all those wholes in the function.
> Also the value for stepFactor should then be unimportant, which
> decreases the run time.
> However, the jigsaw pattern cannot be omiited for great values
> of linewidth. The implicit function is plotted as dots and not as a
> continous line.

try the version http://texnik.dante.de/tex/generic/pst-func/pst-func.tex

Herbert