Is there any way to change the default background, for example to a black
that is video legal? (.062, .062, .062)
I'd rather not have to add  a background color to all of my scenes.

Thanks much,
Dennis

--

dhm### [at] attbicom
http://www.dennismiller.neu.edu

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Dennis Miller <dhm### [at] attbicom> wrote:
> Is there any way to change the default background, for example to a black
> that is video legal? (.062, .062, .062)

  What is "video legal"?

> I'd rather not have to add  a background color to all of my scenes.

  Why not?

-- 
plane{-x+y,-1pigment{bozo color_map{[0rgb x][1rgb x+y]}turbulence 1}}
sphere{0,2pigment{rgbt 1}interior{media{emission 1density{spherical
density_map{[0rgb 0][.5rgb<1,.5>][1rgb 1]}turbulence.9}}}scale
<1,1,3>hollow}text{ttf"timrom""Warp".1,0translate<-1,-.1,2>}//  - Warp -

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"Dennis Miller" <dhm### [at] attbicom> wrote in message
news:3e37e987$1@news.povray.org...
> Is there any way to change the default background, for example to a black
> that is video legal? (.062, .062, .062)
> I'd rather not have to add  a background color to all of my scenes.
>
> Thanks much,
> Dennis

Not sure - still, if you use, for example, #include "colors.inc" in all your
scenes, you could just add:
background{rgb 0.062}
to that file.

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In article <3e37e987$1@news.povray.org>,
 "Dennis Miller" <dhm### [at] attbicom> wrote:

> Is there any way to change the default background, for example to a black
> that is video legal? (.062, .062, .062)
> I'd rather not have to add  a background color to all of my scenes.

It's just one line, and the scene description is where it belongs. You 
could patch POV to have a different default, or patch one of the 
standard includes that you use in every scene, but an update or 
reinstall of POV or an attempt to render on another machine will make it 
go wrong, you will have to make the same modification. Best to just 
leave it in the scene file.

If it is a part of other stuff common to all of the scenes, or if you 
want to be able to adjust it for all scenes in one place, you could put 
it in an include file of your own.

-- 
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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"Warp" <war### [at] tagpovrayorg> wrote in message news:3e37efa2@news.povray.org...
> Dennis Miller <dhm### [at] attbicom> wrote:
> > Is there any way to change the default background, for example to a black
> > that is video legal? (.062, .062, .062)
>
>   What is "video legal"?
>

From: http://www.greatdv.com/post/blurtitles.htm
2. Illegal colors

It takes video beginners (some of whom are very experienced computer artists) a
very long time to get used to video legal colors.  A great number of the videos
I see use titles and graphics which use computer or print colors, ignoring the
limits of video.  Video legal colors look dark and washed out on a SVGA monitor,
you just have to get used to it!

If you wish to work in video, you must learn the rules and work inside them!
Video isn't digital yet, at some point you picture must display on a cheap TV
with analog inputs.

The Premiere titler has a warning for legal and illegal colors.  It's not always
precisely right, but stay inside the "safe" zone and you'll be OK.  Photoshop
has an NTSC Legal filter which is also not always accurate (sometimes leaves in
oversaturated colors) but is genrally helpful.  Many 3D programs have a NTSC
legal filter; LightWave's is particularly accurate.

Remember - in digital video, WHITE is 235,235,235 and not a bit higher!  Reds
should usually be kept under 200 and desaturated by adding B & G.

But what about black?  When creating graphics or titles for use in DV
productions, you must use 16,16,16 as black - not 0,0,0 !  0,0,0 black will
translate as illegal superblack in your video, and when +7.5 IRE setup is added
for duplication the superblack will remain stubbornly at 0 IRE.

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In article <3e37e987$1@news.povray.org> , "Dennis Miller" 
<dhm### [at] attbicom> wrote:

> Is there any way to change the default background, for example to a black
> that is video legal? (.062, .062, .062)
> I'd rather not have to add  a background color to all of my scenes.

Yes, create an include file (i.e. mybg.inc) with the background statement.
Then put Include_Header= mybg.inc in povray.ini .

    Thorsten

____________________________________________________
Thorsten Froehlich, Duisburg, Germany
e-mail: tho### [at] trfde

Visit POV-Ray on the web: http://mac.povray.org

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Okay, thanks for all the tips. I think the include file would be the
easiest. Maybe a default background parameter could be added at some point
in the future.
In the meantime, Tom's explanation explains what video legal means, and the
reason I don't want to put it in every scene is because I already have many
dozens of files for which I need a legal black background and was looking
for some type of default option. I plan to rerender those but was hoping not
to have to edit all of them. I'll just put it in the povray.ini file (good
tip!)
Thanks again,
D.

"Thorsten Froehlich" <tho### [at] trfde> wrote in message
news:3e38145b$1@news.povray.org...
> In article <3e37e987$1@news.povray.org> , "Dennis Miller"
> <dhm### [at] attbicom> wrote:
>
> > Is there any way to change the default background, for example to a
black
> > that is video legal? (.062, .062, .062)
> > I'd rather not have to add  a background color to all of my scenes.
>
> Yes, create an include file (i.e. mybg.inc) with the background statement.
> Then put Include_Header= mybg.inc in povray.ini .
>
>     Thorsten
>
> ____________________________________________________
> Thorsten Froehlich, Duisburg, Germany
> e-mail: tho### [at] trfde
>
> Visit POV-Ray on the web: http://mac.povray.org

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