Alain Martel <kua### [at] videotronca> wrote:

> > "And" <49341109@ntnu.edu.tw> wrote:
> >> "Bruno Cabasson" <bru### [at] cabassoncom> wrote:
> >>> "And" <49341109@ntnu.edu.tw> wrote:
> >>>> Alain Martel <kua### [at] videotronca> wrote:

> >>>>>> Your cloud do have some great properties. Although it is unexpected
simple(the
> >>>>>> pov-code). The fluffy appearance is what I want. And the coverage is
moderate.
> >>>>>> But in fact the real geometry shows the top and bottom are truncated by the
> >>>>>> boundary(800m~1200m). I will think how to solve this in the future, but if
you
> >>>>>> have idea I think it will be nice.
> >>>>>>
> >>>>>
> >>>>> You may use a planar pattern to hide that. Just scale and translate it
> >>>>> properly, and add a map or use an alternate wave type to control how it
> >>>>> need to fade near the container's edges.
> >>>>
> >>>> How do you combine these two(The original and the planar pattern)? I can't
spend
> >>>> time to try it right now, but I wish to look your code (even a simple example).
> >>>
> >>> I think the planar (or equivalent) pattern can be used as an additional density
> >>> function (that will multiply with the main one). I did use this for some other
> >>> clouscapes atempts.
> >>
> >>
> >> Multiply is a straightforward idea that combine these functions. I have doubts
> >> about it because it seem change the original pattern (unnatural) ....but I
> >> hardly ever try it. You said that you have used it. Is the effect fine?
> >
> > I once could get this, and IIRC, the truncation was mitigated with such a
> > function. Alas, I lost the code after a USB stick corruption. But the principle
> > seems OK, provided  the parameters are properly tweaked (tricky).
> >
> > B.
> >
> >
> >
>
> Lesson :
> Backup !
> NEVER EVER leave your code and ANY important file in only one location.
> Backup !
> Several partitions on a single drive is still only a single location.
> Backup !

Believe me, I know very well about backup!! In this case, I was on vacation and
the code was on a usb. I used someone else's PC.

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