Stopped streamlines being rebuilt when element_discretization changed, since not dependent on it.
Stopped streamlines being rebuilt when element_discretization changed,
since not dependent on it.


git-svn-id: 4705079bc6b8aadf675e3696f5c015a6aa4916e3@1061 3c1deb5b-d424-0410-962d-aba41a686d42

hsorby/zinc,OpenCMISS/zinc,OpenCMISS/zinc,hsorby/zinc,hsorby/zinc,OpenCMISS/zinc,hsorby/zinc,OpenCMISS/zinc