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MyWurl
Joined: 12 Jun 2009
Posts: 50
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 Posted: Mon Jan 18, 2010 3:29 pm Post subject: Calculate Image Size For Poster |
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If I'm designing a poster how will I know what size image will be appropriate to fit the poster. What I mean is say I'm designing a poster at 22height x 28width, how do I what size image I will need to fill the poster? I downloaded one that was way too small.
Thanks!!! |
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hawkeye
Joined: 14 May 2009
Posts: 2377
Location: Mesa, Az
OS: Windows 7 Pro 64 bit
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| Posted: Mon Jan 18, 2010 3:32 pm Post subject: |
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If the poster is 22 X 18 and you want a picture to fill it, it too would need to be 22 X 18.
Beyond that, the resolution would need to be the same or larger: if the poster is 200 PPI then the image would need to be that or larger. |
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MyWurl
Joined: 12 Jun 2009
Posts: 50
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| Posted: Mon Jan 18, 2010 3:41 pm Post subject: |
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ohhhh so the image you are using must be the same same size as the poster you are creating?
I didn't understand the 2nd comment...sorry I'm just learning this. So I read that it's best to use 300DPI, minimum 150. Does the rule above still apply? And did you mean DPI, you wrote PPI.
Thanks for your quick response!!! |
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hawkeye
Joined: 14 May 2009
Posts: 2377
Location: Mesa, Az
OS: Windows 7 Pro 64 bit
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| Posted: Mon Jan 18, 2010 3:57 pm Post subject: |
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PPI is pixels per inch. Look at the image size in Photoshop it will be pixels/inch which is PPI. Which means how many pixels there are per inch. More pixels per inch means more detail since the pixels will be smaller.
Most photo image printing should be 200-300 or more PPI to get the best quality. Larger images which are viewed from a greater distance can be less.
Most people use the terms interchangeably, but DPI means dots per inch and the accurate use the term is for scanning images or negatives. |
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MyWurl
Joined: 12 Jun 2009
Posts: 50
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| Posted: Mon Jan 18, 2010 4:15 pm Post subject: |
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Thank you for taking the time to explain!! |
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