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Rosalie2435454443zj
Participant
August 3, 2024
Answered

Artefacts/Outlines in Scatter Brush

  • August 3, 2024
  • 2 replies
  • 957 views

I have a problem with scatter brushes in particular. When I use them in my cloud document, it seems to work perfectly fine; i can also export to .png no problem.

 

However, when I export to an .ai on my computer or as .pdf the brush get these weird artefacts like there is an outline drawn around each singular dot (see image). It's supposed to be all black.

 

I was able to fix it once by re-colouring the lines and contours, but it just keeps re-appearing once I do anything else. I need to share this document with others so it's important that it works when exporting...

 

Can anyone help me find the problem? Thanks in advance 🙂

This topic has been closed for replies.
Correct answer Rosalie2435454443zj

Edit: I found a solution. Not sure if this was obvious, but previously I had used a pixel-based image from Photoshop, imported and rasterized it, then turned it into a scatter or art brush. I fixed it by turning the shape into a vector shape first (by tracing the image), adjusting the traced image, then turning it into a brush. Now there's no lines or overlaps when exporting.

2 replies

R
Rosalie2435454443zjAuthorCorrect answer
Participant
August 9, 2024

Edit: I found a solution. Not sure if this was obvious, but previously I had used a pixel-based image from Photoshop, imported and rasterized it, then turned it into a scatter or art brush. I fixed it by turning the shape into a vector shape first (by tracing the image), adjusting the traced image, then turning it into a brush. Now there's no lines or overlaps when exporting.

Monika Gause
Community Expert
Monika GauseCommunity Expert
Community Expert
August 3, 2024

Can you please share a file that contains the brush? Or better: a line drawn with the brush, so that we see what kinds of appearances are involved?

 

Change the file extension to PDF so you can upload it here.

    R
    Rosalie2435454443zjAuthor
    Participant
    August 4, 2024

    Edit: And apparently it only shows up after downloading and opening the pdf file...

    Ton Frederiks
    Community Expert
    Ton FrederiksCommunity Expert
    Community Expert
    August 5, 2024

    Smooth images in preferences from Acrobat slows the whole file down.

    But you could improve your brushes, the ones I had a look at had the same image twice.

    Removing one and rasterizing the other as bitmap at 300 or 600 ppi with transparency and alt dragging the result over the brush in the brushes panel (to replace it) gives a much better and faster result.

    It is probably better to create the bitmaps in Photoshop to avoid rasterizing the soft edges as checkerboards.

     

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