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Well....what you DO NOT want to do is resample the document you already have....which is what it sounds like you have done.


The exception to this is if EVERYTHING is vectored, ie, not rasterized.


The reason for this is that resampling UP is NEVER a good idea, (and should be avoided at all costs)....the image has to be interpolated and loses 'quality' as a result. Resampling DOWN isn't so bad as all the remaining pixels are original....hence START with an image with as many pixels in it as possible and then reduce it to the size you want when you output it.


If the quality of the up-sampled image isn't good enough you could use it as a template to re-draw it.....with more pixels you'll get a higher definition.....especially on curves but its always best to have the right pixel dimensions right from the start.


If you are bound by commercial printer specifications of 300ppi for printing then you can use that to calculate the PIXEL dimensions when you start a new document......type in the resolution you need and the final output size and it will create the right sized document for you.


As I mentioned, this would result in a 900x750px document which to be honest would be a smidge small to work with so you could multiply that by say 3 to give you a 2700x2250px document.....more than enough to work in.


When it comes to the output you just then need to save out the document at the right size (3" x 2.5") and the resolution will be correct.


Documents and output sizes is just very simple maths using the pixels in the image, the output size and the resolution.....A=BxC....which is which depends on your specs and any limitations, (like ppi) you have.


Regards.

MrToM.


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