ANN (nearest neighbor) warning
Hi,
I'm using in a .geo file the flowing line in order to have the same vertex on both faces :
Periodic Surface {2} = {1} Translate {x,0,0};
but when I generate my 3D mesh with gmsh -3 myfile.geo. The folowing warning appear :
Warning : Gmsh must be compiled with ANN support for finding closest vertices
I saw that ANN is supposed to be enable by default. How can I activate it? I'm using the ubuntu xenial package gmsh. Thanks