Ryan Hoover
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## Ryan Hoover's Discussions

### Boolean Fail6 Replies

On multiple occasions I've had boolean operations fail in Rhino5 that I was able to complete successfully when I move the file into Rhino4.  Has anyone else had this issue?  Is this a known problem?…Continue

Started this discussion. Last reply by Pascal Golay Oct 18, 2012.

# Ryan Hoover's Page

## Latest Activity

Pascal Golay replied to Ryan Hoover's discussion Boolean Fail
"Hi Barry- if you find cases you think should work, please send them to me or to tech@mcneel.com for a look. Ryan's example shows the intersector in V5 is not correctly handling the coincident cylindrical faces, and there is now a good chance we…"
Oct 18, 2012
Barry Mair replied to Ryan Hoover's discussion Boolean Fail
"Thankyou Pascal. I found a similar problem with 'difference' last night. Putting a mitred end on a box, by subtracting a box aligned to an edge and rotating along that edge, failed everytime. Barry."
Oct 18, 2012
Pascal Golay replied to Ryan Hoover's discussion Boolean Fail
"One other thing to keep in mind - since Boolean operations are essentially shortcuts for Split/Join/Delete, it is usually possible to do this and get the clean result you want rather than moving objects just so that they intersect better for a…"
Oct 18, 2012
Pascal Golay replied to Ryan Hoover's discussion Boolean Fail
"Hi Ryan- I see it, thanks, I'll add this to the bug heap. I'm surprised this works in V4 actually, usually Booleans involving non-planar coincident faces will fail in those areas. -Pascal pascal@mcneel.com"
Oct 18, 2012
Barry Mair replied to Ryan Hoover's discussion Boolean Fail
"I find the same with your file. By amending the pieces which I did purely by moving faces so as to create an intersection between pieces, all unioned as expected."
Oct 17, 2012
Barry Mair replied to Ryan Hoover's discussion Boolean Fail
"Hi Ryan. I am experiencing this issue at the moment. When objects are to be joined, it fails when they are touching or flush. If I revise so the objects actually intersect, all works as expected. I am still going through scenarios, but it is…"
Oct 17, 2012
Ryan Hoover posted a discussion

### Boolean Fail

On multiple occasions I've had boolean operations fail in Rhino5 that I was able to complete successfully when I move the file into Rhino4.  Has anyone else had this issue?  Is this a known problem?  Is there a solution on the user end?  I've uploaded a file with this issue, if anyone is interested in having a look.Cheers,RyanSee More
Oct 17, 2012

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