Ah thank you Ciaran. Very insightful. Definitely both useful. On Tue, Feb 10, 2015 at 2:08 PM, Ciaran Moloney <[email protected]> wrote:
> Particle ID is unique, but point index is not. > For example, when you delete some particles, their ID is removed from the > set, but the point indices will be shifted. So for any particle ID, its > index could change from one frame to the next. > You might have an occasion when you want to grab an ordered set of > locations from a pointcloud, but if there are gaps in the set of IDs, then > you can use the point indices as a reliable lookup. > So, you can probably think of a few more examples when one or the other > would be more useful... > > > On Tue, Feb 10, 2015 at 12:02 PM, Leonard Koch <[email protected]> > wrote: > >> Just out of curiosity, does anyone know the difference between the ID to >> Location and the Point Index To Location nodes? >> According to their descriptions they seem to be the same. >> Are they actually different or is this just an instance where a node got >> built twice by accident? >> >> -Leo >> > >
