Re: [APML] O.T.: batch conversion of Tiff to JPG

["Michael Stecker" <mstecker@dslextreme.com>]

Hello Jerry:

Thanks for clearing things up for me.  I guess I will use the old JPEG with
a high compression.


Michael Stecker
mstecker@dslextreme.com

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----- Original Message ----- 
From: "Jerry Lodriguss" <jerryapml@astropix.com>
To: "Discussion of Film Astrophotography" <astro-photo@seds.org>
Sent: Friday, June 11, 2004 6:54 PM
Subject: Re: [APML] O.T.: batch conversion of Tiff to JPG


> Hi Mike,
>
> I'm surprised you couldn't make an action, they are pretty easy.  I have a
> page describing how to do so in my book if you have a copy...
>
> You record an action pretty much like a tape recorder, with the controls
> located on the bottom of the actions palette.
>
> I'm sorry I'm not familiar with the program you downloaded, so I have no
> idea what the "Smooth Factor" is.
>
> JPEG has been around for a long time and it's pretty much supported
> everywhere. JPEG 2000 is an updated version with lots of options, maybe
> some better compression algorithms, but not completely widely supported
yet.
>
> If all you want to do is archive them (for emergency purposes) to save
> space, just use JPEG in Photoshop with a compression quality setting of
10,
> 11, or 12.
>
> Jerry
>
>
>
>
> At 06:42 PM 6/11/2004 -0700, you wrote:
> >Hi Jerry:
> >
> >Thanks for all your help regarding batch conversion of TIFF to JPG using
> >Adobe Photoshop.  I used the Photoshop 6 Help and tried to follow their
> >instructions, but was unable to make an "Action".  Adobe has a knack for
> >making simple things difficult.  So I downloaded the freeware program
called
> >Unidream PowerBatch at:
> >
> >http://www.snapfiles.com/Freeware/gmm/fwimgprocess.html
> >
> >It was quite easy to use and seems to do the job.  However, it has two
TIFF
> >to JPEG conversions modes --JPEG and JPEG2000.  For JPEG there are two
> >settings (Quality: from 1- 100 and "Smooth Factor": also 1- 100).  For
Tiff
> >to JEPG2000 conversion it has one setting -- Compression (from 1- 100).
> >Which type of JPEG is preferable?  I tried the Tiff to JPEG conversion
one
> >and used their default settings of: quality factor of 90 and Smooth
Factor
> >of zero.  It converted a 19.1 MB Tiff file into a 2.7 MB JPG file.  Can
you
> >explain what a "Smooth Factor" is and whether to use JPEG or JPEG 2000?
>
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>
>
>


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