On Monday 26 August 2002 03:26 pm, Bill Hibbard wrote: > If the RealType gatevalue is the same each time you add > new Data, there is no need to reconstruct and readd the > ScalarMap. If gatevalue is different for each new Data, > then you can call addMap() for gatevalue as long as it > does not occur in the Data already linked to the Display. got it ... I come up with unique names for different geometries ("KFWS 0.5", "KTLX 1.5", etc.) and then I can reuse the ScalarMaps. and ... I checked it and it works. thanks, Bill! Lak p.s. noticed that Tom has a paper on visad at the AMS conf. in Long Beach. Look forward to seeing you/him there.