.ai import on wrong layers

Ok, I’m back now! Out of interest I thought I’d do another test with pdf. This is how the same Corel file exported as pdf renders when imported into LB along with the other two previous tests:

So… three different results depending on whether you use svg, ai or pdf! I can’t imagine that this is the intended behaviour or whether there’s some technical reason for the differences.

I suspect the PDF and AI results should be the same. Possibly an issue in the PDF generation?

I did consider that but ihe PDF looks correct in Acrobat Reader:

Affinity Publisher:

CorelDraw 2018:

Fill & Stroke test for LB.pdf.txt (3.0 KB)

A test with PDF exported from Inkscape did work correctly in an initial test so there’s clearly some flexibility in how stroke/fill color can be specified. Curious indeed.

This is interesting.

Took your “Fill & Strok test for LB.pdf.txt” file, imported to Inkscape, then exported to PDF again. Behaves like your AI test.

pdf_test.pdf.txt (1.1 KB)

Yes, as you say: curious indeed!

I imagine it’s a bit like the SVG format. There are so many ways to describe the same content it must make it very difficult to support fully.

That’s the good thing about “standards”.

I just had a look at your sample blocks and i got the same results you did, however i had a second go at it.
running Affinity Designer 2: I changed the blocks 1. blue stroke set to LB 01 2. Fill set to LB 02 & 3. stroke set to 01/ fill to 02.
I exported the file as EPS. (this puts all strokes and fills on separate layers. I opened the .eps file in Affinity and exported the file as a .pdf.
When I imported the .pdf into Lightburn all of the fills were correct and the stroke on block 1 was correct, however the stroke line on block 3 had been changed to LB19!
It looks like LB interprets the stroke and the underlying fill as a single colour.
or it could have something to do with the .pdf creating a raster…i haven’t the foggiest idea really.

@Marcus_Wakefield PDF contained spot colors. The PDF that @berainlb created from Inkscape removes the spot colors and converts them to CMYK.

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That’s interesting. I used the LightBurn colour palette to specify outline and fill colours so I thought it would export as such. Here’s the PDF export dialogue:

This has ‘Native’ (whatever that means). I’ve exported again but this time I changed that drop-down to RGB and I get exactly the same result in LB:

No, nor me.

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