Polyline Boolean Operations

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alex_holden
Newbie Member
Posts: 8
Joined: Wed Dec 07, 2016 10:55 am

Polyline Boolean Operations

Post by alex_holden » Sun Mar 21, 2021 9:37 am

Please could we have boolean operations on polylines, similar to Inkscape? Union in particular would save me many hours of manually combining shapes.
http://write.flossmanuals.net/start-wit ... perations/

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ryancousins
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Posts: 367
Joined: Thu Mar 19, 2020 3:47 am
Location: Michigan, USA

Re: Polyline Boolean Operations

Post by ryancousins » Sun Mar 21, 2021 4:22 pm

I'm curious what kind of work requires this. I'm no expert by any means so I'm just curious about this. I don't see this operation as a common 2D CAD workflow. Usually blocks take care of any required grouping. But depending on what you're trying to do, maybe there is another way to accomplish what you need already in QCAD?

CVH
Premier Member
Posts: 3416
Joined: Wed Sep 27, 2017 4:17 pm

Re: Polyline Boolean Operations

Post by CVH » Mon Mar 22, 2021 1:39 pm

hi,
alex_holden wrote:
Sun Mar 21, 2021 9:37 am
similar to Inkscape?
The referred operations are operations on surfaces.
In that case we should speak about the enclosed surface by the closed polylines (Contours).

Difference, Intersection is feasible with BreakOut auto/manual.
Exclusion would be obsolete as nothing changes for both the contours.
Division, Combine may result in an impossible polyline shape.
Cut Path aka Difference
Combine is a Block with both contours.
Break Apart is feasible with BreakOut auto/manual.

Yes,
Union would be great apart that we can do that in 5 clicks.
2x AutoTrim (AX), select both, Polyline From Selection (OC). :P

Regards,
CVH

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