On Mon, 13 Oct 2003 08:39:04 -0700, Samuel Benge <sbe### [at] hotmailcom>
wrote:
> What do you mean 'console version'?

Something which work within dos/command box under windowses.

> Any working patch I could get would 
> be much appreciated.

I will announce it in this group when it will be compiled for you - this will
happen near end of this week due to other tasks I have. If anybody is able to
make it earlier, please do it for Samuel.

ABX

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In article <3F8### [at] hotmailcom>,
 Samuel Benge <sbe### [at] hotmailcom> wrote:

> It will be used where an isosurface would not be practical. 
> Texture-based displacements could still be performed, but with less 
> precision and possibly more difficulty than isosurfaces. Eroding 
> surfaces would be quite possible with a simple loop.

The blob2 solving method is very similar to that of isosurfaces, though 
no code is shared. "Eroding" the surface would be extremely simple, and 
I actually plan on adding user-defined function components.

-- 
Christopher James Huff <cja### [at] earthlinknet>
http://home.earthlink.net/~cjameshuff/
POV-Ray TAG: chr### [at] tagpovrayorg
http://tag.povray.org/

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Samuel Benge <sbe### [at] hotmailcom> wrote:

> I would definitely be willing to write documentation and render examples 
> for the blob2 patch. But to do so, I would need a compiled, working 
> patch for Windows.

I compiled a win32 binary using MingW.

Currently it is available here:
<http://lutz-peter.hoogi.de/extern/mpp1.0_1win32binary.zip>

but maybe Chris Huff wants to put it on his own webspace?

Lutz-Peter

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Thank you very much! Now I have to figure out how to use it :) Again, 
much appreciated!

Lutz-Peter Hooge wrote:

> Samuel Benge <sbe### [at] hotmailcom> wrote:
> 
> 
>>I would definitely be willing to write documentation and render examples 
>>for the blob2 patch. But to do so, I would need a compiled, working 
>>patch for Windows.
>>
> 
> I compiled a win32 binary using MingW.
> 
> Currently it is available here:
> <http://lutz-peter.hoogi.de/extern/mpp1.0_1win32binary.zip>
> 
> but maybe Chris Huff wants to put it on his own webspace?
> 
> Lutz-Peter
> 


-- 
Samuel Benge

stb### [at] hotmailcom

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In article <3f8b28a6$1@news.povray.org>,
 Lutz-Peter Hooge <lpv### [at] gmxde> wrote:

> I compiled a win32 binary using MingW.
> 
> Currently it is available here:
> <http://lutz-peter.hoogi.de/extern/mpp1.0_1win32binary.zip>
> 
> but maybe Chris Huff wants to put it on his own webspace?

<http://home.earthlink.net/~cjameshuff/files/mpp1.0_1win32binary.zip>

Thanks for the compile, I'm glad there's some interest in this patch. 
Maybe I'll have some time to work on it after midterms...right now I 
really should be doing my homework. ;-)

-- 
Christopher James Huff <cja### [at] earthlinknet>
http://home.earthlink.net/~cjameshuff/
POV-Ray TAG: chr### [at] tagpovrayorg
http://tag.povray.org/

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In article <3F8### [at] hotmailcom>,
 Samuel Benge <sbe### [at] hotmailcom> wrote:

> I would definitely be willing to write documentation and render examples 
> for the blob2 patch. But to do so, I would need a compiled, working 
> patch for Windows.

I am willing to give any assistance you need.

-- 
Christopher James Huff <cja### [at] earthlinknet>
http://home.earthlink.net/~cjameshuff/
POV-Ray TAG: chr### [at] tagpovrayorg
http://tag.povray.org/

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Christopher James Huff wrote:

> I am willing to give any assistance you need.


Hi Chris.

I was just messing with the compile Lutz-Peter made. It would appear 
there are some major shadow bugs present. For instance, sometimes the 
blob object won't self-shadow. Also, when a non-blob object intersects 
the blob, the resulting shadow cast by the blob is often incomplete.

There is another problem which happens sporadically. A little hole will 
sometimes appear in the blob object, and it can't be fixed with a higher 
accuracy or max_gradient.

I'm sure you are aware of these problems, but I can send you examples if 
you need me to.

I don't know how far I'll get on the docs. I don't want to clog up the 
text with too many 'sorry but...'s.


Happy POV-ing

-- 
Samuel Benge

stb### [at] hotmailcom

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P.S. The blob2 patch is really cool. I think people are going to be 
happy with what they'll be able to do with it. I've done several tests 
which indicate a fast render time compared to isosurfaces of the same 
quality. I hope you don't give up development on this one :)



-- 
Samuel Benge

stb### [at] hotmailcom

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In article <3F8### [at] hotmailcom>,
 Samuel Benge <sbe### [at] hotmailcom> wrote:

> I was just messing with the compile Lutz-Peter made. It would appear 
> there are some major shadow bugs present. For instance, sometimes the 
> blob object won't self-shadow. Also, when a non-blob object intersects 
> the blob, the resulting shadow cast by the blob is often incomplete.
> 
> There is another problem which happens sporadically. A little hole will 
> sometimes appear in the blob object, and it can't be fixed with a higher 
> accuracy or max_gradient.

My solver doesn't seem to be any better as far as avoiding artifacts 
than the original blob solver...I've come across this type of thing a 
couple times, and haven't tracked down why it's happening. More test 
cases are always useful, send them my way...

-- 
Christopher James Huff <cja### [at] earthlinknet>
http://home.earthlink.net/~cjameshuff/
POV-Ray TAG: chr### [at] tagpovrayorg
http://tag.povray.org/

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In article <3F8### [at] hotmailcom>,
 Samuel Benge <sbe### [at] hotmailcom> wrote:

> P.S. The blob2 patch is really cool. I think people are going to be 
> happy with what they'll be able to do with it. I've done several tests 
> which indicate a fast render time compared to isosurfaces of the same 
> quality. I hope you don't give up development on this one :)

Part of this is that the "container" for the blob2 consists of the 
bounding shapes for the blob components. Thus, it fits closer and 
follows the surface more, letting the solver find roots more quickly.

-- 
Christopher James Huff <cja### [at] earthlinknet>
http://home.earthlink.net/~cjameshuff/
POV-Ray TAG: chr### [at] tagpovrayorg
http://tag.povray.org/

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