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lydiab999
lydiab999
Participating Frequently
February 26, 2019
Question

Adobe Acrobat Pro Image Export not Capturing Full Image

  • February 26, 2019
  • 2 replies
  • 1883 views

I've been trying to export just the images in a pdf, but when I got to Export > PNG (and select Images) I get a problem where Adobe chops 50% of my images in half. In Edit mode, I can see that the image is cut into 2 selection boxes, right down the middle. Is there a way to fix this? I'm trying to export hundreds of images from hundreds of pdfs, and really don't want to do it manually.

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2 replies

Karl Heinz Kremer
Community Expert
Karl Heinz KremerCommunity Expert
Community Expert
February 26, 2019

In addition to what Dov said, Acrobat itself, actually split up large images into bands of smaller ones at some point in time (my memory is a bit fuzzy, but I would guess back in Acrobat 6 or 7).

If you have Adobe Acrobat Pro DC, you can stitch these images back together using the Preflight tool:

After you start the preflight tool, make sure that the "single fixups" category is selected. To make finding the fixup easier, just type "detect" into the search field, and you will see the "Detect and merge image fragments" fixup. That should merge your two half images back into one complete image.

Dov Isaacs
Dov Isaacs
Legend
February 26, 2019

Actually, Acrobat itself didn't split up images, but if you printed to the Adobe PDF PostScript printer driver instance (or its predecessor) with images with any transparency, the application/driver combination often split up the image due to flattening to eliminate the transparency (PostScript doesn't support live transparency).

          - Dov

- Dov Isaacs, former Adobe Principal Scientist (April 30, 1990 - May 30, 2021)
T
Test Screen Name
Legend
February 26, 2019

If Acrobat exports two images, it's because the PDF already has two images. So it isn't a decision made during Export, it already happened.

lydiab999
lydiab999Author
Participating Frequently
February 26, 2019

But why would the above image be 2 images? It's clearly one graph. Is there any way to merge this into 1 easily?

T
Test Screen Name
Legend
February 26, 2019

That was a decision made by the software that created the PDF for some reason. You'd have to find the programmer who made the decision. Essentially, they don't put images in there for your convenience or mine, but to look right on screen and on print.

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