White LInes Illustrator Anti Aliasing

[Bec Mac]

Hello, I always seem to have issues with this, sometimes things look amazing and other times they don't, there is no rhyme or reason for this. When uploading images of my surface pattern designs from Illustrator to my website or InDesign, as either jpg, png, or pdf, depending on which one doesn't look too hideous because of the white lines, a lot of the time the white lines appear. If I turn off anti aliasing, sometimes, the lines disappear, but then it looks like a hot mess of pixelation. I have also tried to round the output of the vector prior to exporting as jpg, png or pdf to full numbers ie 4cm instead of 4.023cm to try and control the issue, but does not necessarily work all the time. I seemed to have gone a few years with no issues then bam! Issues. Maybe each update of Illustrator influences it also? Is this an Adobe issue or a monitor/proportion issue? Thanks very much.

Bec

[Ton Frederiks · Accepted solution]

To avoid anti-aliasing, it is usefull to use round numbers. Unfortunately round numbers do not work with centimeters as units. Displays and images work with pixels, so it is usefull to set your units to pixels (or points) and use round numbers when creating your pattern tiles. Your example of 4 cm would convert to 113,3858 px and is garanteed to give an additional pixel.

[Bec Mac]

thanks

[packaging specialist · Accepted solution]

Simple method: first rasterize the object in Illustrator, then export to jpg, png...

[Bec Mac]

thanks, yeah i forgot about that little trick