pattern_sim: Add check for HDF5 references

This trips *everyone* up.

1 files changed, 28 insertions, 0 deletions

diff --git a/src/pattern_sim.c b/src/pattern_sim.c
index f9d8126d..bd97ead7 100644
--- a/src/pattern_sim.c
+++ b/src/pattern_sim.c
@@ -223,6 +223,27 @@ static int random_ncells(double len, double min_m, double max_m)
 }
 
 
+static void fixup_geom(struct detector *det)
+{
+	int i;
+
+	for ( i=0; i<det->n_panels; i++ ) {
+		det->panels[i].clen += det->panels[i].coffset;
+	}
+}
+
+
+static int geom_contains_references(struct detector *det)
+{
+	int i;
+
+	for ( i=0; i<det->n_panels; i++ ) {
+		if ( det->panels[i].clen_from != NULL ) return 1;
+	}
+	return 0;
+}
+
+
 int main(int argc, char *argv[])
 {
 	int c;
@@ -554,6 +575,13 @@ int main(int argc, char *argv[])
 		ERROR("The value given on the command line "
 		      "(with --photon-energy) will be used instead.\n");
 	}
+	if ( geom_contains_references(image.det) ) {
+		ERROR("Geometry file contains a reference to an HDF5 location"
+		      " for the camera length.  Change it to a numerical value "
+		      " and try again.\n");
+		return 1;
+	}
+	fixup_geom(image.det);
 
 	if ( spectrum_str == NULL ) {
 		STATUS("You didn't specify a spectrum type, so"