I've created a new type of emitting media that works as
well in front of a white background as a black. This picture
also illustrates a bug I've fixed in media method 3.

	The first picture was done with media method 2 and standard
emitting media. It was rendered in megapov.

	The second picture was done with method 3 and standard
emission. It was also rendered in megapov. Notice that the
media is darker than the first.

	The last picture was done with method 3 and the new media.
It was rendered with my patch. Note that the brightness is
the same as for the method 2 media (and that's not related
to the new type of emitting media, it's a change I made in
method 3 which affects all medias...)

		Jerome

PS: for those who wonder, yes there *is* a media in front of
the white box in all 3 pictures
-- 

* Doctor Jekyll had something * mailto:ber### [at] inamecom
* to Hyde...                  * http://www.enst.fr/~jberger
*******************************

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Attachments:
Download 'emission.jpg' (8 KB)

Preview of image 'emission.jpg'

I'm interested.  But my tired eyes were strobing trying to look at
those red spots so I didn't stare to long.

Bob

"Jerome" <ber### [at] inamecom> wrote in message news:391818C8.A976C637@iname.com...
| I've created a new type of emitting media that works as
| well in front of a white background as a black. This picture
| also illustrates a bug I've fixed in media method 3.
|
| The first picture was done with media method 2 and standard
| emitting media. It was rendered in megapov.
|
| The second picture was done with method 3 and standard
| emission. It was also rendered in megapov. Notice that the
| media is darker than the first.
|
| The last picture was done with method 3 and the new media.
| It was rendered with my patch. Note that the brightness is
| the same as for the method 2 media (and that's not related
| to the new type of emitting media, it's a change I made in
| method 3 which affects all medias...)
|
| Jerome
|
| PS: for those who wonder, yes there *is* a media in front of
| the white box in all 3 pictures
| --

| * Doctor Jekyll had something * mailto:ber### [at] inamecom
| * to Hyde...                  * http://www.enst.fr/~jberger
| *******************************


--------------------------------------------------------------------------------

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Jerome <ber### [at] inamecom> wrote...
>
> The second picture was done with method 3 and standard
> emission. It was also rendered in megapov. Notice that the
> media is darker than the first.
>

Have you tried increasing the samples for method 3 to see if that affects
the brightness?

-Nathan

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Nathan Kopp wrote:
> 
> Have you tried increasing the samples for method 3 to see if that affects
> the brightness?
> 

	It does, since the problem is that povs thinks it takes one
sample more than it really does and therefore, the more
samples you take, the less the problem manifests itself :)

		Jerome
-- 

* Doctor Jekyll had something * mailto:ber### [at] inamecom
* to Hyde...                  * http://www.enst.fr/~jberger
*******************************

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I love you! Nathan, get this thing in MegaPOV 0.5... now! Please...    :)

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TonyB <ben### [at] panamac-comnet> wrote...
> I love you! Nathan, get this thing in MegaPOV 0.5... now! Please...    :)
>

Tony,

I will need source before I can do that, and also version 0.5 will be out
soon, so there may not be time for this addition.

-Nathan

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Jerome <ber### [at] inamecom> wrote...
> Nathan Kopp wrote:
> >
> > Have you tried increasing the samples for method 3 to see if that
affects
> > the brightness?
> >
>
> It does, since the problem is that povs thinks it takes one
> sample more than it really does and therefore, the more
> samples you take, the less the problem manifests itself :)
>

Somehow I'm not surprised.  If you would be so kind as to write an
explanation and include how you think the code should be changed to fix this
and email it to me, I'd greatly appreciate it.  The sooner the better,
because we want to release version 0.5 soon and I'd like to fix this bug.

-Nathan

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>I will need source before I can do that, and also version 0.5 will be out
>soon, so there may not be time for this addition.

Oh, well, I guess I'll have to wait for 0.6, or should I say [.6]?
(Lightwave joke...)

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Nathan Kopp wrote:
> 
> Somehow I'm not surprised.  If you would be so kind as to write an
> explanation and include how you think the code should be changed to fix this
> and email it to me, I'd greatly appreciate it.  The sooner the better,
> because we want to release version 0.5 soon and I'd like to fix this bug.
> 
> -Nathan
	I intended to send the whole thing to you today (sample
spacing, new type of emitting media, and two bug fixes for
media method 3), but the school computer just screwed up my
disk :( it'll have to wait until tomorrow...

		Jerome
-- 

* Doctor Jekyll had something * mailto:ber### [at] inamecom
* to Hyde...                  * http://www.enst.fr/~jberger
*******************************

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TonyB wrote:
> 
> >I will need source before I can do that, and also version 0.5 will be out
> >soon, so there may not be time for this addition.
> 
> Oh, well, I guess I'll have to wait for 0.6, or should I say [.6]?
> (Lightwave joke...)
	I just sent my code to Nathan, but if you can't wait, you
can get the source for the files I modified here:
http://www.enst.fr/~jberger/mpov.tar.gz (you will still have
to get the rest of the source for megapov 0.4 from somewhere
though). This includes my bug fixes for media method 3.

		Jerome
-- 

* Doctor Jekyll had something * mailto:ber### [at] inamecom
* to Hyde...                  * http://www.enst.fr/~jberger
*******************************

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