def scan(self, t, dt=None):
source = istr_best_2d_source(self.name.lower(), self.paletterun.avail_sources())
if source is None:
# FIXME: still nothing, return blank scan object
return
else:
# adjust the time appropriately
t = (t - self.x_offset) / self.x_scale
if dt is not None:
dt /= self.x_scale
# find the scan
scan = self.paletterun.datafile(source).scan(t, dt)
scan.source = source
return scan
def frame(self, twin=None):
# TODO: use twin
source = istr_best_2d_source(self.name.lower(), self.paletterun.avail_sources())
return self.paletterun.datafile(source).data
