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Illustration of clouds

The clouds above are all separate shapes, all of them butted up to each other. I want to be able to edit the lines - is there a way of deriving the lines from the shapes, so that there are no overlaps?

Example of what I want Although Pathfinder / Outline does some of the work, having to manually reconnect all the broken lines is a huge task for the hundreds of shapes that I am working with.

  • Beware: Removing overlaps can cause troubles if you export the shapes. In many cases exact seams start to leak. Causes: 1) Anti-aliasing 2) limited calculation accuracy in the conversion process. – user287001 Feb 11 at 13:26
  • @user287001, This isn't removing overlaps - the lines are exact, and a derivative of using the Live Paint Bucket. The question concerns reducing overlapping lines down to a single shared line ;-D – Konchog Feb 11 at 15:05
  • Seeing as the paths got really messed up... why don't you just recreate the shapes? Fixing them up will be a very tedious process and will likely not produce perfect results. – WELZ Feb 11 at 15:28
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I misunderstood, thanks for clarifying.

You're going to have to do some reconstruction, which will be a bit tedious but this is the only way I know of to fix your problem that doesn't involve recreating everything (though, that may just be a better option).

Select all the shapes and the outer shape you just made, and using the Shape Builder Tool Shift+M;

Click in the center of each of the shapes you want. (Note, this may not work, depends how messed up the paths got - again, you may just want to recreate everything).

If this is successful, you can then clone the middle shape (Ctrl+C, Ctrl+F) and select one copy and another shape and merge them (Shape Builder, Pathfinder), and do the same with the second copy.


To select only one copy of the shape you can select one of them and then place it on a seperate locked layer

Or if you want to do it a bit quicker... Select one of them and while holding down Shift Click+Drag to select the ones you want. This will unselect the first copy, leaving only one copy selected.

A bit hard to explain that, see this GIF which explains it better. Notice how It unselects the originally selected shape when I hold down Shift and Click+Drag to select.

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Use shape builder to combine the wanted parts. Or do Pathfinder Unite. Duplicate shapes which are needed twice. Hide ready shapes in Layers panel to be able to work with ones below them.

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I think this may be done by using Outline in Pathfinder. The colours will be lost (because the shapes are no longer fills), but the strokes are all now single lines.

However, all the lines will now be separate at every junction... So it's not ideal.

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Use the Trim option in Pathfinder.

Select all your shapes.

Window → Pathfinder (Ctrl/Command+Shift+F9)

Trim

Trim Option, Pathfinder Panel


GIF of process

  • lovely animation - but this is the other way around... I have the 'trimmed' object, but I want the shared lines (those in the middle) to be reduced down to a single line ;-D – Konchog Feb 11 at 15:03
  • I have amended the question. – Konchog Feb 11 at 15:20

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