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).

Post a reply to this message

"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.

Post a reply to this message

"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?

Post a reply to this message

> "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?
> 
> 
> 
> 

The planar pattern start at 1 on the X-Z plane and drop to zero 1 unit 
above and under it.

There is no distortion involved.

Post a reply to this message

Op 19/12/2019 om 23:27 schreef Alain Martel:

>> "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?
>>
>>
>>
>>
> 
> The planar pattern start at 1 on the X-Z plane and drop to zero 1 unit 
> above and under it.
> 
> There is no distortion involved.

Also, do not forget the spherical and boxed patterns which work 
according to the same principles as planar!! I use them regularly for 
atmospheric or cloudscape business.

-- 
Thomas

Post a reply to this message

"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.

Post a reply to this message

"Bruno Cabasson" <bru### [at] cabassoncom> 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.


Thank you.

Post a reply to this message

> "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 !

Post a reply to this message

hi,

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

> ...
> > Alas, I lost the code after a USB stick corruption. ...
>
> 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 !

just to say, I agree with Alain, 100%, right down to the exclamation marks.

and will add that, ime, the "human" fallibility has to be allowed for,
therefore, always automate the back up.  (mine run in the small hours, every
night)


regards, jr.

Post a reply to this message

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.

Post a reply to this message