Don't fail due to missing WCS

python/lsst/summit/utils/peekExposure.py

@@ -879,6 +879,10 @@ def transformShapes(self, shapes, exposure, binSize):
         nw_shapes = []
         aa_shapes = []
         for shape in shapes:
+            if wcs is None:
+                nw_shapes.append(Quadrupole(np.nan, np.nan, np.nan))
+                aa_shapes.append(Quadrupole(np.nan, np.nan, np.nan))
+                continue
             # The WCS transforms to N (dec) and E (ra), but we want N and W to
             # conform with weak-lensing conventions.  So we flip the [0]
             # component of the transformation.
@@ -919,13 +923,15 @@ def updateDisplay(
 
         visitInfo = exposure.info.getVisitInfo()
         self._display.mtv(exposure)
-        rose(
-            self._display,
-            exposure.getWcs(),
-            Point2D(200 / binSize, 200 / binSize),
-            q=visitInfo.boresightParAngle,
-            len=100 / binSize,
-        )
+        wcs = exposure.wcs
+        if wcs is not None:
+            rose(
+                self._display,
+                wcs,
+                Point2D(200 / binSize, 200 / binSize),
+                q=visitInfo.boresightParAngle,
+                len=100 / binSize,
+            )
 
         for idx, source in enumerate(binnedSourceCat):
             x, y = source.getCentroid()