text: """Extract the mesh region that
  has the largest connected surface"""
  from vedo import *
  
  mesh1 = Volume(dataurl+"embryo.tif").isosurface(80).c("yellow")
  printc("area1 =", mesh1.area(), c="yellow")
  
  mesh2 = mesh1.extractLargestRegion().color("lb")
  printc("area2 =", mesh2.area(), c="lb")
  
  show(mesh1, __doc__, at=0, shape=(2,1), axes=7)
  show(mesh2, at=1, zoom=1.2).interactive().close()
  