_intersect _project Bug

[Tom_P]

_intersect and _project are both not finding the expected result, if the cylinder and the cone have the same height.

(enlarging the intersecting surface or extending the line will give the right result)

intersect_Problem.3dm (88.1 KB)

[pascal (Pascal Golay)]

Hi Tom - I see that, thanks.
https://mcneel.myjetbrains.com/youtrack/issue/RH-36471

-Pascal

[Tom_P]

@pascal

Another Intersect, that is not working as expected

not sure, if this is the same bug

intersectProblem.3dm (38.3 KB)

Another problem found here:

Intersection bug: Brep/Brep

Hi guys, Enclosed is the file with intersection bug. here I am trying to intersect 2 surfaces. See enclosed .3dm and .pdf files. Abs tolerance is 0.001. Any hint why? intersection_error.3dm (109.7 KB) intersection_err.pdf (2.8 MB) P.S. Using the latest SR 10 Thanks, Dmitriy

and here

Intersect two nurbs surfaces BUG

there is a bug - rhino does not find the intersection of these two surfaces: _intersect not working correct. the workarround: is to extend the common edge / the edge that both surfaces share. _extendSrf [image] Intersect_bug.3dm (56.9 KB)

maybe it s the same problem in the code…

thanks for fixing it.

best Tom

[pascal (Pascal Golay)]

Hi Tom - thanks - I see this is broken in V5… works as expected in V6/WIP. Progress.

-Pascal