def _get_struct(self):
nobj = self.objs.size
npars_psf = self._get_psf_npars()
npars = 6
self.npars = npars
dt = get_dtype(self["obj_fitter"], npars, npars_psf, self["psf_model"], models=self["obj_models"])
st = numpy.zeros(nobj, dtype=dt)
for n in st.dtype.names:
if "flag" in n:
st[n] = NO_MEASUREMENT
else:
st[n] = -9999
st["photoid"] = sdsspy.get_photoid(self.objs)
st["run"] = self.objs["run"]
st["rerun"] = self.objs["rerun"]
st["camcol"] = self.objs["camcol"]
st["field"] = self.objs["field"]
st["id"] = self.objs["id"]
st["ra"] = self.objs["ra"]
st["dec"] = self.objs["dec"]
st["filter"] = self["filter"]
st["fnum"] = self["fnum"]
st["cmodelmag_dered_r"] = self.objs["rmag"]
st["fitter"] = self["obj_fitter"]
return st
def _set_object_seed(self, obj):
pid = sdsspy.get_photoid(obj)
numpy.random.seed(int(pid))