Re: [APML] Picture Resolution For Web

["Bert Katzung" <katzung1@attbi.com>]

Hi Roland:
Thanks for the comment on getting greater than 72 px/inch --- I'll have to
check this out. Is it in the Control Panel/Display dialog? Ah, (light bulb
turning on) cranking up the screen resolution without changing screen size
has to increase the px/inch parameter, of course. Yes, I see that if I
wanted to drive my display at 1600x1200, I could have almost 120 px/in (13.5
inch screen display width). I just prefer the display at the 1024 x 780 (75
px/in on my screen). Good point, in any case!
Bert

Bert Katzung
katzung1@attbi.com
www.astronomy-images.com

----- Original Message -----
From: "Roland Roberts" <roland@astrofoto.org>
To: <astro-photo@seds.org>
Sent: Friday, October 25, 2002 8:09 PM
Subject: Re: [APML] Picture Resolution For Web


> >>>>> "Bert" == Bert Katzung <katzung1@attbi.com> writes:
>
>     Bert> Don't set the *resolution* of your images for the web!
>
> The problem is the word "resolution" gets used in several inconsistent
> ways, and computer geeks (like me) casually refer to screen sizes as
> resolutions; the whole computer industry does this.  It's
> (technically) wrong, but it's the lingua franca of monitor
> configuration specifications.
>
> I actually thought it was someone on the APML list who had a great
> description of the various terminologies in use talking about dpi,
> lpi, pitch, screen size, and the whole lot, but I can't find it
> offhand.
>
>     Bert> What you want to do (and I found this out from very good
>     Bert> advice from someone) is set the final *size* of your image
>     Bert> in pixels.
>
> This is exactly right and great advice.
>
>     Bert> PC monitors are set for 72 pixels/inch,
>
> Actually, most modern monitors (can) do much better than this.  My
> monitor is displaying at about 100 pixels/inch.
>
>     Bert> I usually set mine for 700, 750, or 800 pixels wide
>     Bert> depending on the height.
>
> As someone else recently pointed out, something near that size is just
> about perfect for displaying on 90+% of visitors displays.
>
> roland
> --
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> Roland B. Roberts, PhD                             RL Enterprises
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