Index: trunk/stac/src/stac.c
===================================================================
--- trunk/stac/src/stac.c	(revision 7542)
+++ trunk/stac/src/stac.c	(revision 7760)
@@ -167,8 +167,18 @@
     saturated->n = transformed->n;
     bad->n = transformed->n;
+    float minSaturated = INFINITY;      // The minimum saturation level
+    float maxBad = -INFINITY;           // The maximum bad level
     for (int i = 0; i < transformed->n; i++) {
         saturated->data.F32[i] = (config->saturated - offsets->data.F32[i]) / scales->data.F32[i];
+        if (saturated->data.F32[i] < minSaturated) {
+            minSaturated = saturated->data.F32[i];
+        }
         bad->data.F32[i] = (config->bad - offsets->data.F32[i]) / scales->data.F32[i];
-    }
+        if (bad->data.F32[i] > maxBad) {
+            maxBad = bad->data.F32[i];
+        }
+    }
+    psTrace("stac", 1, "Saturation level: %f\n", minSaturated);
+    psTrace("stac", 1, "Bad level: %f\n", maxBad);
 
     // Save shifted images