Hi Josť,

Those are the cell centers. They seem to span the whole domain, but I think that is because you need to divide by the conversion factors instead of multiplying by them. So for instance,

450/pf["cm"]

-Matt

On Jul 26, 2013 5:50 PM, "Josť Utreras" <jutreras@das.uchile.cl> wrote:
After defining a disk

my_disk=pf.h.disk(sc, [0,0,1], 450.0*pc, 30.0*pc)

I asked for the minimum and maximum values of these fields

††††††† xmin= my_disk["x"].min()
††††††† xmax= my_disk["x"].max()
††††††† ymin= my_disk["y"].min()
††††††† ymax= my_disk["y"].max()
††††††† zmin=my_disk["z"].min()
††††††† zmax=my_disk["z"].max()
††††††† print xmin,xmax,ymin,ymax,zmin,zmax

and got

0.00390625 0.99609375 0.00390625 0.99609375 0.00390625 0.99609375
xmin+xmax=ymin+ymax=zmin+zmax=1

So I really don't know what actually are these fields

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