OT Acrobat Pro find original PDF res.

[Heidi Carrier]

I think that one's ability to determine resolution for images within  
a PDF would depend on the software that is being used for  
preflighting, such as Pitstop or Asura, for example.

If you're just working within Acrobat, you can use your touch-up  
object tool and opt-double click on all raster images. They will open  
in Photoshop, and you can get the resolution there. Alternatively, if  
you use the Box of Tricks plug-in, there is an info panel that will  
give you the size in pixels and the resolution when you select each  
image.

Also, Acrobat 8 has some built-in preflighting capability (I believe  
that v. 6 & 7 may have some as well). In Acrobat 8, go to Advanced >  
Preflight and choose a check from the digital printing or prepress  
categories. If you don't want to apply fix-ups, which would change  
your file, check the box that says "Run Preflight Profile without  
applying Fixups". Again, this is for Acrobat 8, so earlier versions  
may not be exactly the same.

~Heidi

Heidi Carrier
Graphic Designer
The Day
h.carrier at theday.com
860.701.4222


On Mar 3, 2008, at 3:10 PM, peterpica wrote:

> Must be some way cause when I send PDFs to Partner Printing, they  
> automatically flag and reject any PDFs that have images with less  
> than 300 dpi resolution.
>
>
> On Mar 3, 2008, at 2:02 PM, Steve Mills wrote:
>
>> On Mar 3, 2008, at 12:53:06, Rick Gaskin wrote:
>>
>>> How can one figure out what the original resolution of pdf doc. ?  
>>> in other words, where in acrobat can you find out what resolution  
>>> the doc was created
>>
>>
>> Hmm, I'm not sure if a pdf contains any of that info. You'd have  
>> to inspect the individual graphical elements in the pdf. Only the  
>> bitmap elements would have a resolution. All the vector elements  
>> and text are resolution independent. If there isn't a way to  
>> inspect that info on a per-element basis, I'd just start zooming  
>> in until you can see the pixels fatten up, then back off one zoom,  
>> then take 72 * (current zoom percentage / 100) to get the  
>> approximate resolution.
>>
>> _________________________________________________________
>> Steve Mills                              Me: 952-401-6255
>> Senior Software Architect                         MultiAd
>> smills at multiad.com                       www.multi-ad.com
>>
>>
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