Hi John

I think Ronni mentioned it in her post,..
/quote
>> On 17/04/2011, at 11:50 AM, Ronda Brown <[email protected] <mailto:[email protected]>
>> > wrote:
>> 
>>> Hi John,
>>> 
>>> The iPad doesn't supply a device calibrated CMYK profile installed. As a
>>> result, any PDFs with CMYK content tend to look quite crazy.
>>> Conversely, I believe that it handles conversions from Adobe RGB to the
>>> iPad's screen very well indeed, so you'd be highly recommended to find a way
>>> to adjust how you're outputting your PDFs or to find a tool that can do a
>>> conversion after the fact.

/end quote

You'd want them to check they're not doing the colour matching in CMYK, but
Adobe RGB....

Kind Regards
Daniel


On 17/4/11 4:39 PM, "John Hatch" <[email protected]> wrote:

> Roni,
> Its only the pdf,s I get from the club. As mention before these pdf's work
> alright on my MBP but not on the ipad. Is there some setting that the author
> needs to do when he creates the orifinal doc
> 
> Sent from my iPad
> 
> On 17/04/2011, at 12:16 PM, Ronda Brown <[email protected]> wrote:
> 
>> Hi John,
>> 
>> The eBook would be designed correctly for the Web  & iPad and would have an
>> RGB profile or equivalent.
>> 
>> As Daniel already asked Š have you tried other PDFs on the iPad.
>> I would suggest it is only this particular PDF that you are having this issue
>> with.
>> 
>> I have never had a problem viewing colour PDFs on the iPad.
>> Ones I create myself, or any other PDFs , eBooks etc.
>> 
>> Cheers,
>> Ronni
>> 
>> On 17/04/2011, at 12:06 PM, John Hatch wrote:
>> 
>>> Roni,
>>> 
>>> Thanks. Whats got me stumped is that I get an ebook/mag and the color images
>>> are perfect
>>> 
>>> John
>>> 
>>> Sent from my iPad
>>> 
>>> On 17/04/2011, at 11:50 AM, Ronda Brown <[email protected]> wrote:
>>> 
>>>> Hi John,
>>>> 
>>>> The iPad doesn't supply a device calibrated CMYK profile installed. As a
>>>> result, any PDFs with CMYK content tend to look quite crazy.
>>>> Conversely, I believe that it handles conversions from Adobe RGB to the
>>>> iPad's screen very well indeed, so you'd be highly recommended to find a
>>>> way to adjust how you're outputting your PDFs or to find a tool that can do
>>>> a conversion after the fact.
>>>> 
>>>> Keep in mind that sRGB profile was created for computer monitors and Adobe
>>>> RGB 1998 is a good RGB profile for digital printing (and more), but the
>>>> iPad is neither really - maybe soon there will be a profile created for it.
>>>> Since I haven't tested it in-depth I'd suggest you try both and see what
>>>> turns out true-to-color for you.
>>>> 
>>>> There are a couple of good blogs I have seen about using Photoshop for
>>>> iPhone & iPad design. This one seems to be in-depth.
>>>> 
>>>> <http://bjango.com/articles/photoshop/>
>>>> 
>>>> There are several PDF rendering engines, and the quality you get varies
>>>> from program to program.
>>>> Obviously the iPad doesn't have the same horse power to put behind it's PDF
>>>> rendering as desktop or even laptop.
>>>> So, the PDF rending engine build in isn't going to handle really large high
>>>> quality PDF files.
>>>> 
>>>> Given the nature of the device it is never going to substitute for a full
>>>> computer for image rendering or or manipulation, at least not on a
>>>> professional level.
>>>> 
>>>> That said, GoodReader is probably one of the better PDF viewers on the
>>>> iPad. It uses the iPad's included PDF engine by default, but does have it's
>>>> own that can be turned on in it's settings.
>>>> The other engine is supposed to be faster, not necessarily better quality,
>>>> but you could give it a try anyway.
>>>> GoodReader is a handy app to have around for a variety of reasons, so
>>>> you'll likely find other uses for it.
>>>> 
>>>> Cheers,
>>>> Ronni
>>>> 
>>>> 17" MacBook Pro 2.3GHz Quad-Core i7
>>>> 2.3GHz / 8GB / 750GB @ 7200rpm HD
>>>> 
>>>> OS X 10.6.7 Snow Leopard
>>>> Windows 7 Ultimate (under sufferance)
>>>> 
>>>> 
>>>> 
>>>> On 17/04/2011, at 11:29 AM, John Hatch wrote:
>>>> 
>>>>> 
>>>>> Daniel,
>>>>> I have opened the same file on my mac book pro and the image is OK any
>>>>> suggestions
>>>>> 
>>>>> John
>>>>> 
>>>>> Sent from my iPad
>>>>> 
>>>>> On 17/04/2011, at 7:07 AM, Daniel Kerr <[email protected]> wrote:
>>>>> 
>>>>>> 
>>>>>> Hi John
>>>>>> 
>>>>>> If other pdfs open fine, then I'd say it's a problem at the other end.
>>>>>> (do
>>>>>> others receive them with the same problem?)
>>>>>> 
>>>>>> If other pdf's open with the same issue, then it probably a problem your
>>>>>> end. (Check the settings / preferences)
>>>>>> 
>>>>>> Kind Regards
>>>>>> Daniel
>>>>>> 
>>>>>> 
>>>>>> On 17/4/11 12:05 AM, "John Hatch" <[email protected]> wrote:
>>>>>> 
>>>>>>> 
>>>>>>> Hi,
>>>>>>> I am receiving club news letter in pdf but the colour images appear as
>>>>>>> colour
>>>>>>> negs. Is this a problem at the creation stage or something on my ipad
>>>>>>> 
>>>>>>> Any suggestions
>>>>>>> 
>>>>>>> The news letter has been created in acrobat pro and nitro on a PC
>>>>>>> 
>>>>>>> John
>>>>>>> 
>>>>>>> Sent from my iPad
>>>>>>> 
>>>>>>> 
>> 
>> 
>> 
>> 
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> 
> 
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---
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MacWizardry

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Email: <daniel @ macwizardry . com . au>
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