On Wed, Dec 9, 2009 at 11:59 AM, Lic. José M. Rodriguez Bacallao <jmrbcu at gmail.com> wrote: > so, now, how to use vtlImageChangeInformation correctly? Use the SetOutputSpacing(xspacing, yspacing, zspacing) method, where (xspacing, yspacing) is the pixel size, and zspacing is your desired slice spacing.