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Kevin459

: Dealing with poorly converted CAD files in illustrator Has anyone else experienced an issue dealing with converted CAD files in Illustrator? Sometimes I get CAD files converted to PDF that have

@Kevin459

Posted in: #Adobe #AdobeIllustrator

Has anyone else experienced an issue dealing with converted CAD files in Illustrator?

Sometimes I get CAD files converted to PDF that have really overcomplicated simple shapes.

Everything is converted to points even text. It's a really poor conversion like one letter being made of hundreds of points and shapes. (Path Finder isn't much help here)

This makes Illustrator extremely laggy on some computers.

My client and I have no idea what CAD program is used to create these files.

Here's an example of it. I've zoomed in on a sample of really small text.

Zooming in or out of this letter creates about 4 seconds of lag.


Path simplify does this:


Is there a solution to this problem?

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@Kimberly620

What you are seeing is just a dump of the OpenGL data, this happens is programs that are a bit older (like MSC Adams). While this is fine for printing it is not really meant for downstream editing.

Ok let me generate a similar situation by earcutting, a font (Raleway) that had been subdivided (with add points) and made into straight segments with simplify. (Code as used here)



Image 1: Triangulated letter to test on. Comparable but not same.

TO make more sense out of this next i Just merge the vertices with pathfinder. Holding shift allows me to marquee select merged things which makes quick work, don't select too many to begin though. Also you can specify tolerance This gets me more or less the same thing as i started with.

Then I apply path simplify, possibly 2-3 times.



Image 2: Simplify.

Its still a LOT of work though.



Image 3: After silplifying a few times.

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