Flip WCS in X for Gen3

lsst · Aug 18, 2020 · 28abc1e · 28abc1e
1 parent a81c59a
commit 28abc1e
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/python/lsst/obs/decam/rawFormatter.py b/python/lsst/obs/decam/rawFormatter.py
@@ -51,6 +51,11 @@ class DarkEnergyCameraRawFormatter(FitsRawFormatterBase):
     translatorClass = astro_metadata_translator.DecamTranslator
     filterDefinitions = DarkEnergyCamera.filterDefinitions
 
+    # DECam has a coordinate system flipped on X with respect to our
+    # VisitInfo definition of the field angle orientation.
+    # We have to specify the flip explicitly until DM-20746 is implemented.
+    wcsFlipX = True
+
     def getDetector(self, id):
         return DarkEnergyCamera().getCamera()[id]