Options to disable annotations

gopow.go

@@ -56,7 +56,7 @@ func main() {
 		cli.StringFlag{
 			Name:  "input,i",
 			Value: "",
-			Usage: "CSV input file generated by rtl_power",
+			Usage: "CSV input file generated by rtl_power [required]",
 		},
 		cli.StringFlag{
 			Name:  "output,o",
@@ -72,6 +72,10 @@ func main() {
 			Name:  "verbose",
 			Usage: "Enable more verbose output",
 		},
+		cli.BoolFlag{
+			Name:  "no-annotations",
+			Usage: "Disabled annotations such as time and frequency scales",
+		},
 	}
 
 	app.Run(os.Args)