Merge branch 'tickets/DM-25253'

lsst · Aug 24, 2020 · eef20c8 · eef20c8
2 parents 4dd452d + 11b1cca
commit eef20c8
Showing 1 changed file with 10 additions and 0 deletions.
diff --git a/src/math/Stack.cc b/src/math/Stack.cc
@@ -34,9 +34,14 @@
 #include "lsst/pex/exceptions.h"
 #include "lsst/afw/math/Stack.h"
 #include "lsst/afw/math/MaskedVector.h"
+#include "lsst/log/Log.h"
 
 namespace pexExcept = lsst::pex::exceptions;
 
+namespace {
+    LOG_LOGGER _log = LOG_GET("afw.math.Stack");
+}
+
 namespace lsst {
 namespace afw {
 namespace math {
@@ -260,6 +265,11 @@ void statisticsStack(image::MaskedImage<PixelT> &out,
                                                                 wvector);  // use wvector
         }
     } else {
+        if (!wvector.empty()) {
+            LOGL_WARN(_log,
+               "Weights passed on to statisticsStack are ignored as sctrl.getWeighted() is False."
+               "Set sctrl.setWeighted(True) for them to be used.");
+        }
         return computeMaskedImageStack<PixelT, false, false>(out, images, flags, sctrl, clipped, excuse);
     }
 }