Provide omega period to fitGrain

This does change the results of fit-grains slightly. We are currently assessing
the changes.

The chi-squared remained nearly the same. For one grain, it increased very
slightly, and for another grain, it decreased very slightly.

Signed-off-by: Patrick Avery <[email protected]>

Author: psavery

hexrd/fitgrains.py

@@ -216,7 +216,8 @@ def fit_grain_FF_reduced(grain_id):
         else:
             grain_params = fitGrain(
                     grain_params, instrument, culled_results,
-                    plane_data.latVecOps['B'], plane_data.wavelength
+                    plane_data.latVecOps['B'], plane_data.wavelength,
+                    omePeriod=ome_period,
                 )
             # get chisq
             # TODO: do this while evaluating fit???
@@ -289,7 +290,8 @@ def fit_grain_FF_reduced(grain_id):
         if num_refl_valid > 12:
             grain_params = fitGrain(
                 grain_params, instrument, culled_results_r,
-                plane_data.latVecOps['B'], plane_data.wavelength
+                plane_data.latVecOps['B'], plane_data.wavelength,
+                omePeriod=ome_period,
             )
             # get chisq
             # TODO: do this while evaluating fit???

hexrd/fitting/grains.py

@@ -74,11 +74,6 @@ def fitGrain(gFull, instrument, reflections_dict,
         DESCRIPTION.
 
     """
-    # FIXME: will currently fail if omePeriod is specifed
-    if omePeriod is not None:
-        # xyo_det[:, 2] = rotations.mapAngle(xyo_det[:, 2], omePeriod)
-        raise RuntimeError
-
     gFit = gFull[gFlag]
 
     # objFuncFitGrain can run *significantly* faster if we convert the