Dear DXplorers,
To make {Streaklines} work correctly for an internal flow, I thought it
would be useful to define a flag that is 0 on the wall of the pump
housing and -1 outside. I created positions connections data for the
exterior points, and included them with the actual data before
It seems that you have already determined separate positions/conns/data for the interior and for the exterior, yes?
So, instead of combining these, then trying to invalidate some, why not just keep them separate? If you like, you can combine them as a Group in the .dx file (to keep things
