(Changing the background colour isn't really a solution, because the colour of the background still affects the rendering and rasterization.)Īnd I am aware that Photoshop fixed this issue a long time ago (if my memory serves me right). When I assign a hairline with the same colour as the fill to all elements the issue goes away in all software, screen displays, and resolutions. I opened the file in PhotoLine and turned off the anti-aliasing, "ripped" it at the same high resolution, and still white dots appear here and there. The parts do not overlap or exactly fit, and that is caused (seemingly) by a lack of a stroke setting.
Affinity allows me to zoom in at a far higher zoom level than Adobe apps, and in PhotoLine at 25000% zoom I can clearly see the same seams (with or without anti-aliasing). I understand that, but what I am saying is that these seams (meaning: actual white lines running between components) are physically present. Turning off anti-aliasing improves the edge line a bit:
If I skip InDesign and export directly from Illustrator to PDF, the display edge anti-aliasing is still visible, and the Page Display settings has some affect: You can see that the artwork shapes knockout rather than stack: Here I have captured the 200% view and applied a slight sharpening, so it is easier to see here: I can see the artifacts in Illustrator without placing in ID and exporting a PDF. If the output is to a high resolution device like a platemaker there would be no anti-aliasing and the lines wouldn’t show-the problem only happens with "low res" devices like an anti-aliased screen display. It doesn’t have anything to do with transparency flattening artifacts, but it is a similar issue, where the vector art preview has to get resampled to fit the screen, and the anti-aliasing or aliasing would affect the preview. The drawing is made with shapes that share borders as opposed to shapes stacking on top of each other, so the thin lines are a display artifact (assuming the shape edges are perfectly aligned).
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