geofile=fc_simesh.get_geo(3,2,'demisphere5');
  meshfile=fc_oogmsh.gmsh.buildmesh3ds(geofile,10);
  Th=fc_simesh.siMesh(meshfile);

  w={@(x,y,z) y.*cos(-(x.^2+y.^2)/10),@(x,y,z) -x.*cos(-(x.^2+y.^2)/10),@(x,y,z) z };
  W=Th.eval(w);
  u=Th.eval(@(x,y,z) 3*x.^2-y.^3+z.^2+x.*y);
  fc_tools.graphics.monitors.onGrid(2,2,'figures',1:3);
  figure(1)
  Th.plotmesh('d',1,'color','k', 'LineWidth',1.5)
  hold on;axis off;axis image
  Th.plotquiver(W,'LineWidth',1)

  figure(2)
  Th.plotmesh('d',1,'color','k', 'LineWidth',1.5)
  hold on;axis off;axis image
  Th.plotquiver(W,'LineWidth',1,'merge',false,'inlegend',true)
  legend('show')

  figure(3)
  Th.plotmesh('d',1,'color','k', 'LineWidth',1.5)
  hold on;axis off;axis image
  Th.plotquiver(W,'colordata',u, 'scale',0.1)
  colormap('jet');colorbar
[fc-oogmsh] Input file : <fc-oogmsh>/geodir/3ds/demisphere5.geo
[fc-oogmsh] Mesh file <fc-oogmsh>/meshes/demisphere5-10.msh [version 4.1] already exists.
  -> Use "force" flag to rebuild if needed.
  Mesh demisphere5-10.msh is a 3-dimensional mesh
    Force dimension to 3