> On 10 Mar 2020, at 17:55, Jun Fang <hapf...@gmail.com> wrote: > > Dear GMSH users, > > By applying the BooleanIntersection between a volume and a curved surface, I > can get a decent BSpline intersection curve loop on the surface. The problem > I am facing is that the BooleanIntersection by default gives me an “extra” > point on the intersection edge, which I don’t want (for good reasons).
Can you elaborate? > A screenshot is posted below. The ‘Cylinder 23(OCC)’ is the outcome of > Boolean intersection. What I need are the four points (22, 23, 24, 25) and > four associated BSpline curves on the Surface. Somehow, I couldn’t get rid of > the extra point (26), which is located at the z max position of Surface > 23(OCC). My guess is that the additional point is kinda of a reference point > created by the BooleanIntersection function. > > Is it possible to workaround this issue? I know Compound BSpline could > potentially merge curves (i.e. connecting BSplines 27 and 28 here into one), > but it only works for the built-in CAD kernel. Is there an equivalent > function for OCC kernel? Any comments/suggestions are appreciated. > If you don't want the point in the 1D mesh, can't you just use the "Compound Curve" meshing constraint? Christophe > <image.png> > > Thanks very much, > > Jun > > -- > Jun Fang, Ph.D. - Argonne National Laboratory - (630)252-4561 > _______________________________________________ > gmsh mailing list > gmsh@onelab.info > http://onelab.info/mailman/listinfo/gmsh — Prof. Christophe Geuzaine University of Liege, Electrical Engineering and Computer Science http://www.montefiore.ulg.ac.be/~geuzaine _______________________________________________ gmsh mailing list gmsh@onelab.info http://onelab.info/mailman/listinfo/gmsh
