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Mile38453233exp4
Participating Frequently
July 6, 2024
Answered

Incorrect color shown in 3D PDF

  • July 6, 2024
  • 1 reply
  • 1850 views

I made a 3D model with CAD software and xonvert it into 3D PDF. But the color shown in 3D PDF is different from what I render in the CAD software.

 

What should I do in order to show the correct correct in 3D PDF ?

This topic has been closed for replies.
Correct answer Luke Jennings3

"You can adjust pdf color in Acrobat, but not the free Reader." Do you mean color can be adjusted if I upgrade to Pro version Adobe Reader ? It would be helpful if you could show the steps in making the adjustment ? 


Here is a link to a related discussion, I have included instructions on how to use a preflight fixup to adjust the midtones of a pdf (see the 9th reply), I believe this would work on a 3D pdf, although I have not tried it. Note, Acrobat is not an image editor, so don't expect to be able to make large changes, but you can lighten or darken the midtones, if you follow the instructions.

https://community.adobe.com/t5/acrobat-discussions/remove-background-in-acrobat-pro/m-p/14437633

 

1 reply

Luke Jennings3
Community Expert
Luke Jennings3Community Expert
Community Expert
July 7, 2024

What settings do you use to export to pdf from CAD? You may be converting to cmyk. To check the color space of your pdf content, go to Tools> Print Production> Output Preview, change the Simulation profile to Apple RGB (or one of the other RGB profiles), and Show: RGB, this will hide any elements that are not RGB.

M
Mile38453233exp4Author
Participating Frequently
July 8, 2024

Thanks for you answer. But there is no reply on clicking "Use Print Production"  ( plz see the attached image )

Also , if it is really related to CMYK , is it possible to change PDF setting to change it to RGB ?

 

Luke Jennings3
Community Expert
Luke Jennings3Community Expert
Community Expert
July 8, 2024

I am using the old user interface, I don't know where the Output Preview tool is in the new interface, but you can use the search tool to find it. (you can switch to the older interface, if you want). What settings do you use to export to pdf from CAD? Can you show a screen shot? A "print" setting may be converting your pdf to CMYK. If it is CMYK, you won't see much improvement converting it back to RGB, as RGB has a much wider color gamut (can show more colors).  So if this is your issue, exporting to RGB from CAD would be best practice. Can you attach a sample pdf using the round button below? or a screen shot from CAD and a screen shot of the same area on a pdf?

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