Intersection unexpected result

Bug #307989 reported by mahfiaz
6
This bug affects 1 person
Affects Status Importance Assigned to Milestone
Inkscape
Triaged
Undecided
Unassigned

Bug Description

In attached file there are two objects. Select all and press Ctrl+* for intersection. Resulting object has some extra part which should not be there (upper left).

Tags: boolops
Revision history for this message
mahfiaz (mahfiaz) wrote :
Revision history for this message
prkos (prkos) wrote :

I don't see anything wrong on fedora 9, official 0.46 and build 20384.

Can you be more specific with what is wrong, maybe circle it on a screenshot? I reduced opacity of the rectangle so I can see exactly what's beneath and the intersection seems ok.

Changed in inkscape:
status: New → Incomplete
Revision history for this message
su_v (suv-lp) wrote :

reproduced with Inkscape 0.47+devel r8909 on OS X 10.5.8

After applying the path operation 'Intersection' there is a small sub-path with two nodes outside of the expected intersection area with the rectangle. The bounding box of the intersected path is higher than the black rectangle, indicating that there is a sub-path wrongly included in the result. Switching to the node editor reveals the bug by making the nodes of the tiny fragment visible.

Changed in inkscape:
status: Incomplete → Confirmed
tags: added: boolops
Revision history for this message
Beluga (buovjaga) wrote :

Yep, still seeing it after intersection.

Hello, mahfiaz! It's me, your pal from the LibreOffice QA team :)

Arch Linux 64-bit, KDE Plasma 5
Inkscape 0.91 r13725

jazzynico (jazzynico)
Changed in inkscape:
status: Confirmed → Triaged
Revision history for this message
theozh (theozh) wrote :

I do see a tiny path with two nodes (upper center, slightly to the left).
But it is there because the original path is intersecting with the rectangle and it is not outside the rectangle. I would say everything OK with Inkscape 0.92.1 r15371 Win7/64

Are we talking about the same thing? A screenshot would help...

Revision history for this message
mahfiaz (mahfiaz) wrote :

Hey, Beluga and theozh. Yep, that two-node path is the problem. When you change almost anything even slightly with the position or size of the objects, it does not appear. So it looks a lot like a rounding error or something similarly quirky.

Revision history for this message
mahfiaz (mahfiaz) wrote :
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