comparison base/ColumnOp.h @ 1201:6f7a440b6218 spectrogram-minor-refactor

Fixes to phase display and colour scale for it; tidy up some debug output

                 
 		for (int bin = by0; bin < by1; ++bin) {
 
 		    float value = in[bin];
 
-		    if (value > out[y]) {
+		    if (bin == by0 || value > out[y]) {
 			out[y] = value;
 		    }
 		}
 	    }
 	}