MeshFile test.msh

LevelSet 10 2 Function Scalar (x/3.9894)*(x/3.9894)+(y/3.9894)*(y/3.9894)-1 [x,y,z]

//Plane: define the plane _a*x+_b*y+_c*z+_d, with outward normal (_a,_b,_c)
//Sphere: define the sphere sqrt((_xc-x)*(_xc-x)+(_yc-y)*(_yc-y)+(_zc-z)*(_zc-z))-_r, with center (_xc,_yc,_zc) and radius _r
//Cylinder: define the cylinder pow((_xc-x)/_a,2)+pow((_yc-y)/_b,2)-1, along z with center (_xc,_yc) and half-axes a and b