From: Torsten Dreyer <Torsten@t3r.de>
Date: Mon, 27 Sep 2010 17:38:15 +0000 (+0200)
Subject: tolerate NDV (no directional validation) in METAR
X-Git-Url: https://git.mxchange.org/?a=commitdiff_plain;h=9a28642a4e4ebd1223aaa68c5ba3d96460686122;p=simgear.git

tolerate NDV (no directional validation) in METAR
---

diff --git a/simgear/environment/metar.cxx b/simgear/environment/metar.cxx
index 2f5280e6..3879bb7d 100644
--- a/simgear/environment/metar.cxx
+++ b/simgear/environment/metar.cxx
@@ -466,11 +466,13 @@ bool SGMetar::scanVisibility()
 	int modifier = SGMetarVisibility::EQUALS;
 // \d{4}(N|NE|E|SE|S|SW|W|NW)?
 	if (scanNumber(&m, &i, 4)) {
-		if (*m == 'E')
+		if( strncmp( m, "NDV",3 ) == 0 ) {
+			m+=3; // tolerate NDV (no directional validation)
+		} else if (*m == 'E') {
 			m++, dir = 90;
-		else if (*m == 'W')
+		} else if (*m == 'W') {
 			m++, dir = 270;
-		else if (*m == 'N') {
+		} else if (*m == 'N') {
 			m++;
 			if (*m == 'E')
 				m++, dir = 45;
@@ -486,7 +488,7 @@ bool SGMetar::scanVisibility()
 				m++, dir = 225;
 			else
 				dir = 180;
-		}
+                }
 		if (i == 0)
 			i = 50, modifier = SGMetarVisibility::LESS_THAN;
 		else if (i == 9999)