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-rw-r--r--libcrystfel/src/mosflm.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/libcrystfel/src/mosflm.c b/libcrystfel/src/mosflm.c
index 43bfdea6..9b1e36e3 100644
--- a/libcrystfel/src/mosflm.c
+++ b/libcrystfel/src/mosflm.c
@@ -150,9 +150,30 @@ static int check_cell(struct mosflm_private *mp, struct image *image,
}
if ( mp->indm & INDEXING_USE_LATTICE_TYPE ) {
+
LatticeType latt;
+ char cen;
+
latt = cell_get_lattice_type(mp->template);
+ cen = cell_get_centering(mp->template);
+
+ /* If we ask MOSFLM for 'rhombohedral R', it gives us
+ * 'hexagonal H' back. Grumble. Time to fix that up... */
+ if ( latt == L_RHOMBOHEDRAL ) {
+
+ UnitCell *fixup;
+ assert(cen == 'R');
+ cell_set_lattice_type(out, L_HEXAGONAL);
+ cell_set_centering(out, 'H');
+ fixup = uncenter_cell(out, NULL);
+ cell_free(out);
+ out = fixup;
+
+ }
+
cell_set_lattice_type(out, latt);
+ cell_set_centering(out, cen);
+
}
crystal_set_cell(cr, out);