These patterns will be great for calibrating my home made, super
economy, 9 Million pixel video camera.  I'll just get them printed on
3500dpi film at 22x34inch (movie poster size) as a target.  Thanks a
million.  I was originally going to draw out similar patters by hand in
Photoshop.

____________
Brian Guralnick


----- Original Message -----
From: "Bryn Wolfe" <[EMAIL PROTECTED]>
To: "Protel EDA Forum" <[EMAIL PROTECTED]>
Sent: Friday, March 29, 2002 10:06 AM
Subject: Re: [PEDA] Monitor focusing.


> Okay, since there seems to be some interest in these files, I've posted
> them to a website for universal access. Look here
> http://www.traclabs.com/~bwolfe/ <http://www.traclabs.com/%7Ebwolfe/>
> Let me know (via my regular email, not this forum) if you have any
> difficulties with access.
>
> Bryn Wolfe wrote:
>
> > Brian,
> >
> > Now that I understand your motivation for the original post, maybe I
> > can offer further test patterns. I have scaleable resolution charts in
> > pdf format that, when viewed in full screen mode (in Acrobat Reader)
> > allow you to determine your monitor's finest resolution visually.
> > Since the graphics are determined through an equation instead of a
> > bitmap, it scales to any screen resolution. And they don't hurt your
> > eyes like the ones you were promoting (ouch, I still have a headache).
> >
> > If you're interested, I can email them.
> >
> > Bryn
> >
> > Brian Guralnick wrote:
> >
> >>    A few months ago, the issue came up with aging CRT monitors, & new
> >> monitors which were out of focus.  For those of us with experience,
> >> we would
> >> open up our monitors & adjust the focus controls on the HV Flyback
> >> picture
> >> tube power supply.  When this issue came up, I offered my original
> >> focusing
> >> images which consisted of the finest possible checker board B&W
pattern.
> >>
> >>    Now, unless your monitor has a fussy picture & you are willing to
> >> void
> >> the warranty & risk exposure to dangerous electrical voltages, I do not
> >> recommend playing with the focus.
> >>
> >>    If you know what you are doing, just view the tiled image on your
> >> monitor, at 1 standard video mode lower than the listed resolution your
> >> monitor was designed for, & calibrate the focus.  If your screen is
> >> currently fuzzy, you will probably get a vast improvement.
> >>
> >>    I also recommend using my original checkerboard pattern in
> >> conjunction
> >> with this new one.  The older focus files are still on my FTP site.
> >>
> >> ____________
> >> Brian Guralnick
> >>
> >>
> >> ----- Original Message -----
> >> From: "Tim Fifield" <[EMAIL PROTECTED]>
> >> To: "Protel EDA Forum" <[EMAIL PROTECTED]>
> >> Sent: Thursday, March 28, 2002 2:15 PM
> >> Subject: Re: [PEDA] Monitor focusing.
> >>
> >>
> >>> Brian,
> >>>
> >>> What should I do with these files?
> >>>
> >>> Tim
> >>>
> >>> -----Original Message-----
> >>> From: Brian Guralnick [mailto:[EMAIL PROTECTED]]
> >>> Sent: Thursday, March 28, 2002 2:55 PM
> >>> To: Protel EDA Forum
> >>> Subject: [PEDA] Monitor focusing.
> >>>
> >>>
> >>> Vastly improved, monitor focusing test pattern.  Make sure when using,
> >>>
> >> that
> >>
> >>> the pattern is set to 100%, or 1:1 scale.
> >>>
> >>> Just copy this link location into your internet explorer address bar:
> >>> ftp://ftp.point-lab.com/quartus/Public/ProtelUsers/
> >>>
> >>> Take these 2 files:
> >>> FocusPattern3.png   - 5KB
> >>> FocusPattern3tiled.png   - 135KB
> >>>
> >>> ____________
> >>> Brian Guralnick
> >>>
> >>
> >
>
> --
> Name   : Bryn Wolfe
> Title  : Robotics Engineer
> Dept   : Texas Robotics & Automation Center (TRACLabs)
> Company: Metrica, Inc
> Addr   : 1012 Hercules Drive
>          Houston, TX 77058-2722
> Voice  : 281-461-7886
> NASA   : n/a
> FAX    : 281-461-9550
> Web    : http://www.traclabs.com
> Email  : mailto:[EMAIL PROTECTED] or
>          mailto:[EMAIL PROTECTED]
>
>

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