[filmscanners] Re: Photoshop (on Mac) bogs, VueScan hoggingprocessor?

[Julian Vrieslander]

On 1/23/02 10:50 PM, G3 <[EMAIL PROTECTED]>, wrote:

>   I just opened VueScan 7.4.2 for Mac OS X.  The Unix-based OS
>X has some powerful utilities that allow you to monitor the system.
>One is called Process Viewer that shows the memory and CPU use for
>all open applications and system processes.
>   While scanning either a preview or final scan in VueScanX,
>the CPU usage is about 5-10 %.  However, once the scan is done, CPU
>usage jumps to about 45%, even when it is in the background and at
>idle.  There may be some CPU usage effect for Ed to work on.

I used a similar utility (Peek-a-Boo 1.6) to monitor the CPU usage for
VueScan 7.5b1 running under Mac OS 9.2.2.  I started VueScan and put it
into background without doing anything.  The monitor showed that VueScan
is using about 50-60% of CPU time while idling in background.  Not very
nice (in the unix sense and in common parlance).

Perhaps wxWindows has settings for adjusting the level of CPU activity
when in background.  I hope Ed can look into this.



--
Julian Vrieslander 


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[filmscanners] Re: Photoshop (on Mac) bogs, VueScan hoggingprocessor?

[G3]

To All:
I just opened VueScan 7.4.2 for Mac OS X.  The Unix-based OS
X has some powerful utilities that allow you to monitor the system.
One is called Process Viewer that shows the memory and CPU use for
all open applications and system processes.
While scanning either a preview or final scan in VueScanX,
the CPU usage is about 5-10 %.  However, once the scan is done, CPU
usage jumps to about 45%, even when it is in the background and at
idle.  There may be some CPU usage effect for Ed to work on.
However, let me say that VueScanX works very well under OS X
and is the only software that drives my Canon FB 1200S flatbed SCSI
scanner under OS X (Canon have not yet released an OS X driver).  I
have been able to make nice color and B/W scans.  The only difficulty
is that the OS X support for the built-in SCSI port on my Beige G3
does not work well with the scanner, but an Adaptec 2903 card with
Adaptec OS X drivers works fine.
Regards,
Bob

>I have Photoshop 6.0.1 running on a Mac G4/867, under OS 9.2.2.  This Mac
>has 1.5GB RAM (600MB allocated to PS).  PS has a 10GB scratch partition
>on a second internal HD.  This is usually a very quick system.  But
>sometimes I see Photoshop operations slowing to a crawl.  Example: I set
>a up a selection rectangle for a crop or free transform, and drag on one
>of the handles.  The handle does not move with my mouse drag, and the Mac
>is unresponsive for 30 seconds or a minute.  Then the screen suddenly
>redraws and the Mac is responsive again.
>
>VueScan 7.4.2 is running in the background (with a scanned image, but
>idle).  If I quit VueScan, and retry the same operations in Photoshop,
>the selection handles move properly as I drag them, and the image redraws
>in a few seconds.
>
>Has anyone else seen effects like this?
>
>One possibility is that VueScan, although idled, is in a state which hogs
>CPU cycles.  Mac OS versions 9.x and earlier run cooperative
>multitasking.  When applications are running in background they are
>supposed to quickly yield the CPU.  Another wild guess: some sort of
>activity at the driver level.  I use VueScan on a Nikon LS-4000.
>
>--
>Julian Vrieslander 
>
>
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--


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[filmscanners] RE: Archiving

[Tim Atherton]

Kodak replaced the Gold Ultima (there may be some still out there) with the
Gold/Silver hybrid, which is supposed to be about as good, but more
"economical". However, they have kept making their gold CD's as Pro Audio
CD's (go figure...).

A good source (with lots of other goodies) is InketArt

http://www.tssphoto.com/sp/dg/misc/index.html

http://www.tssphoto.com/sp/dg/cd/sort_of.html

http://www.tssphoto.com/sp/dg/kodak_cd.html

http://www.tssphoto.com/sp/dg/cd/kodak_audio.html

tim a

> -Original Message-
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED]]On Behalf Of [EMAIL PROTECTED]
> Sent: January 23, 2002 7:59 PM
> To: [EMAIL PROTECTED]
> Subject: [filmscanners] Re: Archiving
>
>
> << The gold layer (it's not a coating, it's part of what the data
> is burned
>  into - and also the most fragile part of the CD) - most of the gold cd's
>  seem pretty good  - Kodak,  >>
>
>
> Just placed an on-line order for the Kodak CD-R Gold Ultima.
> $12.95 for a 20
> pack including shipping.  Thanks for the input.
>
> Howard
>
> --
> --
> Unsubscribe by mail to [EMAIL PROTECTED], with
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>


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[filmscanners] Re: Archiving

<< The gold layer (it's not a coating, it's part of what the data is burned
 into - and also the most fragile part of the CD) - most of the gold cd's
 seem pretty good  - Kodak,  >>


Just placed an on-line order for the Kodak CD-R Gold Ultima.  $12.95 for a 20
pack including shipping.  Thanks for the input.

Howard


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[filmscanners] RE: Archiving

[Tim Atherton]

Absolutely, for long term storage,

The gold layer (it's not a coating, it's part of what the data is burned
into - and also the most fragile part of the CD) - most of the gold cd's
seem pretty good  - Kodak, Quantegy, Mitsui etc. Also, most of them use
phthalocyanine as the dye layer (I know Kodak does), which is, yes, more
stable.

Of course, for long term storage you need to store them properly (and NO
darn labels folks).

I'm sure I've posted before on this list the recommendations from a workshop
I took on the longevity and storage of optical and magnetic media, run by
conservation scientists who were actually doing all the testing...

search the archives for my name and CD's and it will probably show up!

tim a

> -Original Message-
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED]]On Behalf Of David Lewiston
> Sent: January 23, 2002 6:13 PM
> To: [EMAIL PROTECTED]
> Subject: [filmscanners] Re: Archiving
>
>
> Howard
>
> While the cheap CDRs seem to perform adequately at the time
> they're burned,
> I'm not optimistic about their longterm durability.
>
> So for anything that matters longterm I've settled on Mitsui Gold.
>
> Why?
>
> 1. Gold coating, which will most likely be more durable than the aluminium
> used on so-called 'silver' CDRs.
>
> 2. Mitsui's proprietary dye formulation, phthalocyanine, which is
> reputedly
> far more stable than the cyanine formulations used by other major players.
>
> Salutations, David Lewiston
>
>
>
>  Original Message -
> From: <[EMAIL PROTECTED]>
> To: <[EMAIL PROTECTED]>
> Sent: Wednesday, January 23, 2002 1:26 PM
> Subject: [filmscanners] Archiving
>
>
> When archiving scans to a CD, is there any real quality difference between
> the various CD-R brands which have widely varying prices?
>
>
>
> --
> --
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[filmscanners] Re: Archiving

[Ezio c/o TIN]

My experience is ... no false reading or miss to read with : Kodak, TDK and
SKC (cheap but  sure).

My experience.

Sincerely.

Ezio

www.lucenti.com  e-photography site

ICQ: 139507382
- Original Message -
From: <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Thursday, January 24, 2002 12:26 AM
Subject: [filmscanners] Archiving


When archiving scans to a CD, is there any real quality difference between
the various CD-R brands which have widely varying prices?

Howard
[EMAIL PROTECTED]



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[filmscanners] Archiving

When archiving scans to a CD, is there any real quality difference between
the various CD-R brands which have widely varying prices?

Howard
[EMAIL PROTECTED]


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[filmscanners] RE: Nikon 4000ED

[Austin Franklin]

> >How much longer does digital ICE take really? I'm assuming that if I
> >just leave the scanner to work overnight that won't matter, unless it
> >takes a very long time!
>
> This is very CPU dependant. Faster CPU's take much less time.

REALLY?  This isn't done in the scanner...in real time?

Austin


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[filmscanners] Re: Nikon 4000ED

[Moreno Polloni]

>How much longer does digital ICE take really? I'm assuming that if I
>just leave the scanner to work overnight that won't matter, unless it
>takes a very long time!

This is very CPU dependant. Faster CPU's take much less time.



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[filmscanners] Re: VueScan 7.5 beta 1 crashes

[Doug Segar]

Did a little more experimentation and it appears to crash when rotation is set to 
anything but none but not if rotation (and perhaps other parameters are set to none).  
Could be the problem is associated with the 7.5 change to allow raw scan to be saved.
--
Me too.  General protection fault.  LS4000, Win98, 768Megs ram,  No other apps 
running.  Set to auto exposure, auto focus and save raw scan only.  Performs preview 
scan for exposure, autofocus OK, scans raw file and saves but crashes after this save. 
 Can send log file also if needed.

At 03:16 PM 01/23/2002 -0500, you wrote:
>The beta release crashes on my system following the scan.  It finishes the
>colour correction, then goes to output the file, whereupon it goes south.
>
>LS-4000, XP Pro, 768MB RAM, no other apps running at the time.
>
>Can I provide more info?
>
>Paul
>


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