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Sue6373160

: What is a bevel join of two lines exactly (Illustrator)? When joining thick lines there are usually some options round miter bevel In a bevel join, the joint is 'flat'. But what does that

@Sue6373160

Posted in: #AdobeIllustrator #Vector

When joining thick lines there are usually some options


round
miter
bevel


In a bevel join, the joint is 'flat'. But what does that mean precisely?

There seem to be two options:

Orthogonal

The two points are orthogonal to their respective segments and half the thickness away from them:



Thickness

The distance from the 'flat' to the center line is half the line thickness:



Which of them is actually a true bevel-join? And is there a name for the other (I'm thinking it might be some kind of truncated miter).

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@Cofer715

Neither Adobe's PostScript(R) Manual, Second Edition nor W3C's SVG manual describes the "Thickness" bevel.

Your "Orthogonal" bevel corresponds to the definition of "Bevel join" in both manuals, so I suppose that one would be considered the true bevel-join.

Neither manual calls it "Orthogonal". The PostScript(R) manual describes the construction of the bevel as capping each of the two intersecting lines with a square butt cap, then filling in the resulting empty triangle, while the SVG manual simply has an illustration that appears to be the same as your "Orthogonal" join.

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