Support tomography with only a single tilt (#390)

Author: stephen-riggs

src/murfey/client/contexts/tomo.py

@@ -67,6 +67,8 @@ def _construct_tilt_series_name(file_path: Path) -> str:
 def _midpoint(angles: List[float]) -> int:
     if not angles:
         return 0
+    if len(angles) <= 2:
+        return round(angles[0])
     sorted_angles = sorted(angles)
     return round(
         sorted_angles[len(sorted_angles) // 2]

src/murfey/server/__init__.py

@@ -2511,6 +2511,7 @@ def feedback_callback(header: dict, message: dict) -> None:
             if (
                 check_tilt_series_mc(relevant_tilt_series.id)
                 and not relevant_tilt_series.processing_requested
+                and relevant_tilt_series.tilt_series_length > 2
             ):
                 relevant_tilt_series.processing_requested = True
                 murfey_db.add(relevant_tilt_series)

src/murfey/server/api/__init__.py

@@ -736,7 +736,11 @@ def register_completed_tilt_series(
         db.add(ts)
     db.commit()
     for ts in tilt_series_db:
-        if check_tilt_series_mc(ts.id) and not ts.processing_requested:
+        if (
+            check_tilt_series_mc(ts.id)
+            and not ts.processing_requested
+            and ts.tilt_series_length > 2
+        ):
             ts.processing_requested = True
             db.add(ts)