Dear Ping, You need the unmerged data for this - for instance the output from Mosflm or the XDS INTEGRATE step. Pointless works by comparing potentially symmetry related measurements.
Best wishes, Graeme 2011/11/17 Ping Wang <wangping...@sina.com>: > Dear all, > I have a dataset with spacegroup undetermined. When I use POINTLESS to > determine laue group, the program gave the fatal error: HKLIN is merged and > no HKLREF is defined, SPACEGROUP or REINDEX. > In the protocol of POINTLESS for the determination of LAUE group, HKLREF can > be not specified. So I have no idea where the problem is. Can anyone give me > some suggestions? > Kind regrads. > Ping > > >