[AMRadio] Digital Pic help

[Larry Roohr]

For display on a crt (the web) size your images to 72dpi at whatever size is
desired, then it will display correctly and print terribly. 72dpi is about
the native resolution of crt monitors so when you put out a bitmap at 72dpi
what you see in your image editing program that resizes for your display on
the fly, is what you get on a web browser that doesnt do this.

So, in your image editing program, set the size in inches, then resample to
72dpi, save as a .jpg.

Sorry if this is all repeated info, I havnt read all the other posts (no
time). Let me know if clarification is needed.

Larry

-----Original Message-----
From: amradio-admin at mailman.qth.net
[mailto:amradio-admin at mailman.qth.net]On Behalf Of Phil (VA3UX)
Sent: Monday, March 25, 2002 7:38 AM
To: amradio at mailman.qth.net
Subject: Re: [AMRadio] Digital Pic help


At 08:06 AM 3/25/2002 -0500, you wrote:
> > .  .  .   to do my resizing and it seems to work pretty
> >good.
>
>Why are you resizing? File the image exactly as you find it. Your viewing
>prg will automatically show it 'full screen' if you enable that option.

Hi Bill.  I'll answer to the group since it appears there are several
members interested in this subject.

The issue isn't filing the image.  The issue is resizing the image to an
appropriate size for inclusion on a web site. My uneducated reasoning is
this : I take the pictures with the highest resolution possible with the
dig. camera with the idea that this gives me maximum detail to work with
for generation of thumbnails and reduced images for web pages.  The camera
only spits out JPGs, and the max resolution JPGs I do get from the camera
are far too large for a web page - both physically and in terms of file
size. Resizing to 50% produces a nice file and image size for a web page,
but resizing smaller seems to result in some loss of sharpness.  That's the
part that I'm trying to improve if possible.  And I've had a few tips but
won't be able to put them to the test 'til later.

Thanks Bill

Phil


>Whenever you 'SAVE' a jpeg after cropping or other such manipulation, some
>quality will be lost. So only do a SAVE if you are changing formats (bmp
>to jpg) or if you simply /must/ crop out something or other. There IS
>reportedly a very new prg that claims 'lossless' jpg SAVEs, but I've not
>verified this. But routinely SAVing images so they all are 640x800, or
>whatever, makes no sense at all.
>
>Bill
>--
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