code: public void set(Point3D a, Point3D b, double radius1) {
  		set(a.getX(), a.getY(), a.getZ(),
  				b.getX(),b.getY(), b.getZ(),
  				radius1);
  	}
docs: Set the capsule.
  
  @param a the first point of the capsule's segment.
  @param b the second point of the capsule's segment.
  @param radius1 the radius of the capsule.