Embedded PDF not displayed correctly

[Christian]

The attached PDF is not displayed correctly by Affinity Designer 1.7.2 (App Store). Compare the screenshot from Preview with the screenshot from Designer after dragging the PDF into an empty document – note the missing shading crossing the horizontal line at level 8. Interestingly, when exporting a PDF from Affinity the shading in the exported PDF is correct (i.e., as in the original PDF), so this seems to be an error in the way it's displayed in Designer, not the PDF import. Please let me know if there is anything else I can provide to help!

STRF sin-h e-o-fg.pdf

[walt.farrell]

36 minutes ago, Christian said:

note the missing shading crossing the horizontal line at level 8.

The shading is there, as I can see it on my screen in your post. It's much fainter, though. It's also very faint if I File > Open your PDF in Designer.

 

[Christian]

Thanks Walt, you're right! Is this be a problem with my configuration of Designer then? I don't think I ever modified any color profiles.

[walt.farrell]

I noticed when I opened your PDF that Designer gave me a popup message about assigning sRGB to this unprofiled document. This leads me to suspect that it might be a mismatch between the chosen profile and whatever was used when originally creating the PDF. And also to wonder whether whatever created the PDF should have included color profile information.

But that wouldn't explain why the PDF that Designer exports from yours shows the shading correctly. The exported PDF should match what was on screen in Designer, I think.

[Christian]

The original PDF was created with matplotlib (https://matplotlib.org) so I think it makes sense that it is unprofiled? It looks like the PDF exported by designer also does not contain a color profile, that would explain why it looks as the original in Preview?

$ mdls -name kMDItemDisplayName -name kMDItemProfileName colortest.pdf 
kMDItemDisplayName = "colortest.pdf"
kMDItemProfileName = (null)

 

[Sean P]

Hi Christian,

Thanks for the file. It looks like when it is being imported it is adding a bunch of rectangles to crop it, but that is affecting the 20% Opacity on the objects which is making it appear more transparent than it should be. I'll get it passed on to development. If you open it in Designer and then expand the group and delete all the cropped objects on each of the curves you should see it'll correct the opacity.