Fix dials.show for time of flight experiments.

newsfragments/XXX.bugfix

@@ -0,0 +1 @@
+Fix `dials.show` beam checks for time of flight experiments.

src/dials/command_line/show.py

@@ -7,6 +7,7 @@
 
 import iotbx.phil
 from cctbx import uctbx
+from dxtbx.model import ExperimentType
 from dxtbx.model.experiment_list import ExperimentListFactory
 from scitbx.math import five_number_summary
 
@@ -87,11 +88,17 @@ def beam_centre_raw_image_px(detector, s0):
  return x_px + offset[0], y_px + offset[1]
 
 
-def show_beam(detector, beam):
+def show_beam(
+ detector, beam, experiment_type: ExperimentType = ExperimentType.ROTATION
+):
 
  # standard static beam model string
  s = str(beam)
 
+ # time of flight experiments have no scan points
+ if experiment_type == ExperimentType.TOF:
+ return s
+
  # report whether the beam is scan-varying
  if beam.num_scan_points > 0:
  s += " s0 sampled at " + str(beam.num_scan_points) + " scan points\n"
@@ -263,16 +270,20 @@ def show_experiments(experiments, show_scan_varying=False):
  except AttributeError:
  pass
  text.append(str(expt.detector))
+ if expt.get_type() == ExperimentType.TOF:
+ min_wavelength = min(expt.beam.get_wavelength_range())
+ s0 = tuple([i / min_wavelength for i in expt.beam.get_unit_s0()])
+ else:
+ s0 = expt.beam.get_s0()
  text.append(
- "Max resolution (at corners): %f"
- % (expt.detector.get_max_resolution(expt.beam.get_s0()))
+ "Max resolution (at corners): %f" % (expt.detector.get_max_resolution(s0))
  )
  text.append(
  "Max resolution (inscribed): %f"
- % (expt.detector.get_max_inscribed_resolution(expt.beam.get_s0()))
+ % (expt.detector.get_max_inscribed_resolution(s0))
  )
  text.append("")
- text.append(show_beam(expt.detector, expt.beam))
+ text.append(show_beam(expt.detector, expt.beam, expt.get_type()))
  if expt.scan is not None:
  text.append(str(expt.scan))
  if expt.goniometer is not None: