Reducing image file sizes

[Derek Bump]

You could use the Batch Process Wizard in JPEGCompress to perform the
compression.  I've used the wizard to compress thousands of photos, not
just JPEG's, in just minutes.  And the best part is that the program was
built with Revolution.


   Windows XP & Vista
   http://www.dreamscapesoftware.com/jpegcompress-2.9.5-win.exe

   Mac OS X 10.3+
   http://www.dreamscapesoftware.com/jpegcompress-2.9.5-mac.zip

   Linux
   http://www.dreamscapesoftware.com/jpegcompress-2.9.5-linux.zip


Derek Bump
Dreamscape Software
http://www.dreamscapesoftware.com

___________________________________________________________________
Compress your photos quickly and easily with JPEGCompress 2.9!
http://www.dreamscapesoftware.com/products/jpegcompress/


J. Landman Gay wrote:
> Brian Yennie wrote:
>> This is just off-the-cusp, so it may be off, but what about:
>>
>> 1) Set the fileName of image 1 to the JPG
>> 2) Copy the imageData of image 1 into image 2
>> 3) Export from image 2 as JPEG
>> 4) Scale the final image to the desired size (if necessary)
> 
> That's real close to what I was thinking, only I was going to do it in a
> different order. But same general idea.
> 
>> The reason why I'm hoping this would work -- imageData is at screen
>> resolution (72 DPI) so this could be a shortcut to getting 72 DPI
>> images if you export from images with only imageData (and no backing
>> file).
>>
>> Of course if 72 DPI is too low quality... maybe it would work to scale
>> to double size first, and end up with 144 DPI?
> 
> Yeah. I can tinker with it. The main thing is to know what the size it
> is supposed to be when printed. That's where I'm stuck.
> 
>> You said that you need to find the original size -- does Rev not open
>> high resolution images at the correct size?
> 
> Not really. If the image isn't scaled or put into a locked image object,
> the image opens at its native pixel-count size, disregarding resolution.
> So if the image is thousands of pixels wide, Rev uses thousands of
> pixels to display it. A 2-inch image saved at 72 dpi will open at half
> the display size of a 2-inch image saved at 144 dpi. All Rev gives you
> is the pixel count.
>