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andrewc29812572
Participant
September 22, 2018
Question

Photoshop Image pasting at wrong size in Illustrator

  • September 22, 2018
  • 2 replies
  • 1573 views

I have two CS5 documents.  One is a PSD with dimensions of 1920 x 1080 at 300 ppi, the other is an AI with the exact same dimensions.  When I copy the entire contents of the PSD and paste them into the AI, for some reason the image is minute.  Similarly, when I copy/paste a rectangular path at the full dimensions of the AI into the PSD, it extends far beyond the edges of the image.  Iv'e combed through my settings and nothing sticks out, but I'm still new at this, so any insight into what I might be doing wrong would be greatly appreciated.  Thanks!

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2 replies

davescm
Community Expert
davescmCommunity Expert
Community Expert
September 22, 2018

Hi

Photoshop works primarily in pixels. Real world sizes (e.g inches) only exist when you come to print.

Illustrator is vector based and its rulers work in real world sizes. Pixels only really exist on export. If you set the Illustrator rulers to pixels then an arbitary 72 ppi is used to display the ruler.

The 300dpi raster effects setting in AI  is used to set the quality of raster effects - not the pixel size of the image.

So in Photoshop your 1920 x 1080 300 ppi document equates to a real world 6.4 x 3.6 inches.
By setting your AI document at 1920 x1080 , and AI using the arbitary 72 ppi  then that equates to 26.7 x 15 inches. Hence when you paste in your PSD file it looks small.

Easy answer - - leave things as they are in Photoshop (1920 x 1080 at 300 ppi) and set your AI document to the "real world" inches equivalent = 6.4 x 3.6 inches.

Dave

    Mylenium
    Mylenium
    Legend
    September 22, 2018

    Well, but do the PPI/ DPI in AI match? Doesn't sound like that's the case. Just because it's vector-based doesn't mean those settings would be unimportant in AI. Check these things again, including the various other settings that affect handling of raster data. Also be aware that AI's whole int5ernal logic is based on inches, not pixels, so any mismatch in the DPI settings will inevitably lead to a wrong conversion.

    Mylenium

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