If no cell params or lattice type, set nocell/nolatt at top level

Another thing that the indexing engines don't need to be repsonsible
for.

4 files changed, 30 insertions, 49 deletions

diff --git a/libcrystfel/src/dirax.c b/libcrystfel/src/dirax.c
index ecf8a4fd..764a6be1 100644
--- a/libcrystfel/src/dirax.c
+++ b/libcrystfel/src/dirax.c
@@ -605,17 +605,6 @@ void *dirax_prepare(IndexingMethod *indm, UnitCell *cell,
                     struct detector *det, float *ltl)
 {
 	struct dirax_private *dp;
-	int need_cell = 0;
-
-	if ( *indm & INDEXING_CHECK_CELL_COMBINATIONS ) need_cell = 1;
-	if ( *indm & INDEXING_CHECK_CELL_AXES ) need_cell = 1;
-
-	if ( need_cell && !cell_has_parameters(cell) ) {
-		ERROR("Altering your DirAx flags because cell parameters were"
-		      " not provided.\n");
-		*indm &= ~INDEXING_CHECK_CELL_COMBINATIONS;
-		*indm &= ~INDEXING_CHECK_CELL_AXES;
-	}
 
 	/* Flags that DirAx knows about */
 	*indm &= INDEXING_METHOD_MASK;
diff --git a/libcrystfel/src/index.c b/libcrystfel/src/index.c
index 17153976..3e50b664 100644
--- a/libcrystfel/src/index.c
+++ b/libcrystfel/src/index.c
@@ -301,6 +301,9 @@ IndexingPrivate *setup_indexing(const char *method_list, UnitCell *cell,
 	}
 
 	if ( cell == NULL ) {
+
+		int warn = 0;
+
 		if ( (flags & INDEXING_CHECK_CELL_COMBINATIONS)
 		  || (flags & INDEXING_CHECK_CELL_COMBINATIONS) )
 		{
@@ -310,6 +313,33 @@ IndexingPrivate *setup_indexing(const char *method_list, UnitCell *cell,
 			flags &= ~INDEXING_CHECK_CELL_COMBINATIONS;
 			flags &= ~INDEXING_CHECK_CELL_AXES;
 		}
+
+		for ( i=0; i<n; i++ ) {
+			if ( methods[i] & INDEXING_USE_LATTICE_TYPE ) {
+				methods[i] &= ~INDEXING_USE_LATTICE_TYPE;
+				warn = 1;
+			}
+		}
+		if ( warn ) {
+			ERROR("WARNING: Forcing all indexing methods to use "
+			      "\"-nolatt\", because reference Bravais lattice "
+			      "type was not given.\n");
+		}
+	}
+
+	if ( !cell_has_parameters(cell) ) {
+		int warn = 0;
+		for ( i=0; i<n; i++ ) {
+			if ( methods[i] & INDEXING_USE_CELL_PARAMETERS ) {
+				methods[i] &= ~INDEXING_USE_CELL_PARAMETERS;
+				warn = 1;
+			}
+		}
+		if ( warn ) {
+			ERROR("WARNING: Forcing all indexing methods to use "
+			      "\"-nocell\", because reference cell parameters "
+			      "were not given.\n");
+		}
 	}
 
 	ipriv = malloc(sizeof(struct _indexingprivate));
@@ -332,9 +362,6 @@ IndexingPrivate *setup_indexing(const char *method_list, UnitCell *cell,
 		for ( j=0; j<i; j++ ) {
 			if ( methods[i] == methods[j] ) {
 				ERROR("Duplicate indexing method.\n");
-				ERROR("Have you specified some flags which "
-				      "aren't accepted by one of your "
-				      "chosen indexing methods?\n");
 				return NULL;
 			}
 		}
diff --git a/libcrystfel/src/mosflm.c b/libcrystfel/src/mosflm.c
index 110243cb..262f20b2 100644
--- a/libcrystfel/src/mosflm.c
+++ b/libcrystfel/src/mosflm.c
@@ -822,22 +822,6 @@ void *mosflm_prepare(IndexingMethod *indm, UnitCell *cell,
                      struct detector *det, float *ltl)
 {
 	struct mosflm_private *mp;
-	int need_cell = 0;
-
-	/* Check if cell parameters are needed/provided */
-	if ( *indm & INDEXING_USE_CELL_PARAMETERS ) need_cell = 1;
-	if ( need_cell && !cell_has_parameters(cell) ) {
-		ERROR("Altering your MOSFLM flags because cell parameters were"
-		      " not provided.\n");
-		*indm &= ~INDEXING_USE_CELL_PARAMETERS;
-	}
-
-	/* Check if lattice type information is needed/provided */
-	if ( (*indm & INDEXING_USE_LATTICE_TYPE) && (cell == NULL) ) {
-		ERROR("Altering your MOSFLM flags because lattice type "
-		      "information was not provided.\n");
-		*indm &= ~INDEXING_USE_LATTICE_TYPE;
-	}
 
 	/* Flags that MOSFLM knows about */
 	*indm &= INDEXING_METHOD_MASK
diff --git a/libcrystfel/src/xds.c b/libcrystfel/src/xds.c
index 646561ca..e6309eb6 100644
--- a/libcrystfel/src/xds.c
+++ b/libcrystfel/src/xds.c
@@ -597,30 +597,11 @@ void *xds_prepare(IndexingMethod *indm, UnitCell *cell,
                   struct detector *det, float *ltl)
 {
 	struct xds_private *xp;
-	int need_cell = 0;
-
-	/* Check if cell parameters are needed/provided */
-	if ( *indm & INDEXING_USE_CELL_PARAMETERS ) need_cell = 1;
-	if ( need_cell && !cell_has_parameters(cell) ) {
-		ERROR("Altering your XDS flags because cell parameters were"
-		      " not provided.\n");
-		*indm &= ~INDEXING_USE_CELL_PARAMETERS;
-	}
 
 	/* Either cell,latt and cell provided, or nocell-nolatt and no cell
 	 * - complain about anything else.  Could figure this out automatically,
 	 * but we'd have to decide whether the user just forgot the cell, or
 	 * forgot "-nolatt", or whatever. */
-	if ( ((*indm & INDEXING_USE_LATTICE_TYPE)
-	  || (*indm & INDEXING_USE_CELL_PARAMETERS))
-	  && !cell_has_parameters(cell) )
-	{
-		ERROR("No cell parameters provided.  If you wanted to use XDS "
-		      "without prior cell information, use "
-		      "xds-nolatt-nocell.\n");
-		return NULL;
-	}
-
 	if ( (*indm & INDEXING_USE_LATTICE_TYPE)
 	  && !(*indm & INDEXING_USE_CELL_PARAMETERS) )
 	{