fix overflow

saalfeldlab · May 3, 2024 · bbbac49 · bbbac49
1 parent 0c31327
commit bbbac49
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/main/java/org/janelia/saalfeldlab/hotknife/SparkNormalizeN5.java b/src/main/java/org/janelia/saalfeldlab/hotknife/SparkNormalizeN5.java
@@ -258,7 +258,7 @@ private static RandomAccessibleInterval<UnsignedByteType> applyShifts(
 			RandomAccessibleInterval<UnsignedByteType> convertedLayer = Converters.convert(layer, (s, t) -> {
 				// only shift foreground
 				if (s.get() > 0) {
-					t.set(s.get() - shift);
+					t.set( Math.max(0, Math.min( 255, s.get() - shift)));
 				} else {
 					t.set(0);
 				}