Use resolution/pixel size from geometry file

src/geomtools/sfx/crystfelio.py

@@ -159,7 +159,7 @@ def parse_crystfel_streamfile(stream_filename, panels, connected_groups,
                 ])
                 hkl = np.array([re.h.values, re.k.values, re.l.values])
                 u, v, w = M.T @ hkl
-                s = clen / (1e-9 / lmd + w) / 200e-6
+                s = clen / (1e-9 / lmd + w) * res_avg
                 re['xa'] = u * s
                 re['ya'] = v * s