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Melba's Jammin'

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Oct 6, 2009, 11:04:45 AM10/6/09
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Another post had me looking at the setting on my iBook. I noticed that
the option for number of colors was set at "thousands." Why wouldn't
it be set at "millions"? If I set it at millions, will I do something
bad to my machine?

I'm not trying to be a PITA, I'm just trying to understand�and I
appreciate your patience and tolerance for an old lady. Okay, I'm not
THAT old, but I don't understand a lot of the technical stuff.

And while I'm at it, would I want to mess around with the "Colors"
button? Right now it's set on Color LCD but I see a couple of Epson
choices and I have an Epson All-in-One.

God, I should probably go into the kitchen and just bake some bread or
something.

Thanks.

--
-Barb, Mother Superior, HOSSSPoJ
http://web.me.com/barbschaller - Yes, I Can! blog - check
it out. And check this, too: <http://www.kare11.com/news/
newsatfour/newsatfour_article.aspx?storyid=823232&catid=323>

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Bob Harris

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Oct 6, 2009, 6:49:12 PM10/6/09
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In article <barbschaller-DE28...@news.iphouse.com>,

Melba's Jammin' <barbsc...@earthlink.net> wrote:

> Another post had me looking at the setting on my iBook. I noticed that
> the option for number of colors was set at "thousands." Why wouldn't
> it be set at "millions"? If I set it at millions, will I do something
> bad to my machine?
>
> I'm not trying to be a PITA, I'm just trying to understand�and I
> appreciate your patience and tolerance for an old lady. Okay, I'm not
> THAT old, but I don't understand a lot of the technical stuff.
>
> And while I'm at it, would I want to mess around with the "Colors"
> button? Right now it's set on Color LCD but I see a couple of Epson
> choices and I have an Epson All-in-One.
>
> God, I should probably go into the kitchen and just bake some bread or
> something.
>
> Thanks.

I love fresh baked bread! :-)

Millions of colors if a perfectly acceptable option.

Leave the Color set for LCD as that is what your display is. You
would change this if you were using an external monitor from a
different manufacture. Also keep in mind that this same control
panel is used by other Mac models, not all of which come with a
built-in monitor. The other display type options are more for
those systems.

Bob Harris

Melba's Jammin'

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Oct 6, 2009, 7:21:37 PM10/6/09
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In article
<nospam.News.Bob-87...@news.eternal-september.org>,
Bob Harris <nospam....@remove.Smith-Harris.us> wrote:

Thanks, Bob. After I posted (damn!) I ticked a box to show what
configurations were "available for this display" and, uh, only one
showed up.

The bread is the Master dough recipe from Artisan Bread in Five Minutes
a Day. AND if you check zoebakes.com and look at the July archives,
you'll see me teaching Zo� Fran�ois how to make jam. :-)

Thanks again � for your patience.

Melba's Jammin'

unread,
Oct 6, 2009, 7:22:37 PM10/6/09
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In article <061020091642572728%dave@N_O_T_T_H_I_Sbalderstone.ca>,
Dave Balderstone <dave@N_O_T_T_H_I_Sbalderstone.ca> wrote:

> In article <barbschaller-DE28...@news.iphouse.com>,
> Melba's Jammin' <barbsc...@earthlink.net> wrote:
>

> > Another post had me looking at the setting on my iBook. I noticed that
> > the option for number of colors was set at "thousands." Why wouldn't
> > it be set at "millions"? If I set it at millions, will I do something
> > bad to my machine?
>

> It'll reduce the time it will run on battery.


Got it, Dave. Thanks. Is it possible that the millions of colors
setting will make my screen look brighter? Seems like it is but I don't
know if it's my imagination or is a fact.

Jolly Roger

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Oct 6, 2009, 7:36:56 PM10/6/09
to
In article <barbschaller-DE28...@news.iphouse.com>,
Melba's Jammin' <barbsc...@earthlink.net> wrote:

> Another post had me looking at the setting on my iBook. I noticed that
> the option for number of colors was set at "thousands." Why wouldn't
> it be set at "millions"? If I set it at millions, will I do something
> bad to my machine?

In general, this setting controls how many colors your display shows,
which can affect the quality of the images displayed. One side effect of
displaying things at thousands of colors is that gradients that would
otherwise be smooth show banding instead.

I believe some applications actually assume that the display will be set
to millions of colors if the display is larger than 800 x 600. Such
applications may not work correctly if the display is set to thousands
of colors.

Finally, here's what Apple says about this setting:

"The number of colors your display can show. The higher the number, the
finer the gradations of color your display can show. Choose the highest
number available unless you use software that recommends otherwise."

> And while I'm at it, would I want to mess around with the "Colors"
> button? Right now it's set on Color LCD but I see a couple of Epson
> choices and I have an Epson All-in-One.

You can vastly improve the display of, and accuracy of, colors by using
this panel to calibrate Mac OS X to your particular display and lighting
environment. Not only is every display different, but every room is
different in terms of lighting conditions. The "Color LCD" setting is
simply a generic, default calibration for most LCD panels, and may not
be the best setting for you. If I were you, I would click Calibrate,
choose Expert Mode, and follow the on-screen instructions to create a
calibration setting for your particular display. You may end up with a
new calibration configuration that is significantly better than the
default one.

--
Send responses to the relevant news group rather than email to me.
E-mail sent to this address may be devoured by my very hungry SPAM
filter. Due to Google's refusal to prevent spammers from posting
messages through their servers, I often ignore posts from Google
Groups. Use a real news client if you want me to see your posts.

JR

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David Empson

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Oct 6, 2009, 9:10:13 PM10/6/09
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Melba's Jammin' <barbsc...@earthlink.net> wrote:

> In article <061020091642572728%dave@N_O_T_T_H_I_Sbalderstone.ca>,
> Dave Balderstone <dave@N_O_T_T_H_I_Sbalderstone.ca> wrote:
>
> > In article <barbschaller-DE28...@news.iphouse.com>,
> > Melba's Jammin' <barbsc...@earthlink.net> wrote:
> >
> > > Another post had me looking at the setting on my iBook. I noticed that
> > > the option for number of colors was set at "thousands." Why wouldn't
> > > it be set at "millions"? If I set it at millions, will I do something
> > > bad to my machine?
> >
> > It'll reduce the time it will run on battery.
>
>
> Got it, Dave. Thanks. Is it possible that the millions of colors
> setting will make my screen look brighter? Seems like it is but I don't
> know if it's my imagination or is a fact.

Millions of colours means that you can display a wider range of colours,
e.g. more shades of red. There is no change to the "brightness" (the
highest intensity colours are the same), but some images will look much
better due to being able to better represent the range of colours which
are contained in the image.

--
David Empson
dem...@actrix.gen.nz

Melba's Jammin'

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Oct 6, 2009, 10:32:43 PM10/6/09
to
In article <1j77z8d.1s8q8340oictN%dem...@actrix.gen.nz>,
dem...@actrix.gen.nz (David Empson) wrote:

> Melba's Jammin' <barbsc...@earthlink.net> wrote:
> > Got it, Dave. Thanks. Is it possible that the millions of colors
> > setting will make my screen look brighter? Seems like it is but I don't
> > know if it's my imagination or is a fact.
>
> Millions of colours means that you can display a wider range of colours,
> e.g. more shades of red.

Yes, I understand that.

> There is no change to the "brightness" (the highest intensity colours
> are the same), but some images will look much better due to being
> able to better represent the range of colours which are contained in
> the image.

Hmmm. I'll have to think about that a bit -- is the white likely to be
whiter when the millions of colors is chosen? Thanks, David.

Message has been deleted

David Empson

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Oct 7, 2009, 1:01:58 AM10/7/09
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Melba's Jammin' <barbsc...@earthlink.net> wrote:

> In article <1j77z8d.1s8q8340oictN%dem...@actrix.gen.nz>,
> dem...@actrix.gen.nz (David Empson) wrote:
>
> > Melba's Jammin' <barbsc...@earthlink.net> wrote:
> > > Got it, Dave. Thanks. Is it possible that the millions of colors
> > > setting will make my screen look brighter? Seems like it is but I don't
> > > know if it's my imagination or is a fact.
> >
> > Millions of colours means that you can display a wider range of colours,
> > e.g. more shades of red.
>
> Yes, I understand that.
>
> > There is no change to the "brightness" (the highest intensity colours
> > are the same), but some images will look much better due to being
> > able to better represent the range of colours which are contained in
> > the image.
>
> Hmmm. I'll have to think about that a bit -- is the white likely to be
> whiter when the millions of colors is chosen? Thanks, David.

I'd expect any difference in the full intensity colours to be eliminated
by appropriate scaling within the video hardware, i.e. the Thousands
primary colours are effectively scaled up to Millions by multiplying by
255/31.

If the video hardware was lazy and just padded the missing bits in
Thousands mode with zero, and everything was linear, and the display
responded accordingly, that might result in Millions pure white being
about 2.7% brighter than Thousands pure white.

--
David Empson
dem...@actrix.gen.nz

Tom Stiller

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Oct 7, 2009, 9:21:44 AM10/7/09
to
In article <061020092135426655%dave@N_O_T_T_H_I_Sbalderstone.ca>,
Dave Balderstone <dave@N_O_T_T_H_I_Sbalderstone.ca> wrote:

> In article <barbschaller-34FE...@news.iphouse.com>,


> Melba's Jammin' <barbsc...@earthlink.net> wrote:
>
> > Hmmm. I'll have to think about that a bit -- is the white likely to be
> > whiter when the millions of colors is chosen?
>

> Okay, after years dealing with color (to the point where I gave my
> optometrist a lesson) here's a quick tutorial...
>
> Color only exists in your brain. In other words, if you THINK it's
> brighter, it's brighter.
>
> Our brains have an amazing ability to "normalize" color, and do it
> routinely. Try this the next time you have opportunity, say at a party
> or other social event:
>
> Find three people wearing a black shirt or blouse. Have them stand
> along a wall, but spaced about 6 - 8 feet apart.
>
> Gather a group of others, including yourself. Stand back at least 8
> feet, preferably more. This distance is more important that the
> distance between the other three (which should still be as far as
> possible). Look at the color of the shirts/blouses, and agree or
> disagree that the "black" is the same.
>
> Then have the three people stand shoulder to shoulder and move closer
> to them. You will most likely see that the three garments are actually
> very different colors.
>
> djb

I think this image illustrates the same phenomenon.
<http://img196.imageshack.us/img196/4117/checkershadowab.jpg>

--
Tom Stiller

PGP fingerprint = 5108 DDB2 9761 EDE5 E7E3 7BDA 71ED 6496 99C0 C7CF

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