Index: trunk/stac/src/stacRead.c
===================================================================
--- trunk/stac/src/stacRead.c	(revision 3666)
+++ trunk/stac/src/stacRead.c	(revision 3680)
@@ -32,4 +32,8 @@
 	    psFree(image);
 	} else {
+	    int numNaN = psImageClipNaN(image, 0.0);
+	    if (numNaN) {
+		psTrace("stac.read.images", 5, "Clipped %d NaN pixels.\n", numNaN);
+	    }
 	    images->data[i] = image;
 	}