From f57d805c3b81826c8dcbb0ec7363ef6cad42c279 Mon Sep 17 00:00:00 2001
From: DonLakeFlyer <don@thegagnes.com>
Date: Sun, 25 Mar 2018 11:00:45 -0700
Subject: [PATCH] Handle no polygon case

---
 src/MissionManager/CorridorScanComplexItem.cc | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/MissionManager/CorridorScanComplexItem.cc b/src/MissionManager/CorridorScanComplexItem.cc
index f5bdd9044..a69c71b7d 100644
--- a/src/MissionManager/CorridorScanComplexItem.cc
+++ b/src/MissionManager/CorridorScanComplexItem.cc
@@ -305,12 +305,15 @@ void CorridorScanComplexItem::_rebuildCorridorPolygon(void)
     QList<QGeoCoordinate> secondSideVertices = _corridorPolyline.offsetPolyline(-halfWidth);
 
     _surveyAreaPolygon.clear();
+
+    QList<QGeoCoordinate> rgCoord;
     foreach (const QGeoCoordinate& vertex, firstSideVertices) {
-        _surveyAreaPolygon.appendVertex(vertex);
+        rgCoord.append(vertex);
     }
     for (int i=secondSideVertices.count() - 1; i >= 0; i--) {
-        _surveyAreaPolygon.appendVertex(secondSideVertices[i]);
+        rgCoord.append(secondSideVertices[i]);
     }
+    _surveyAreaPolygon.appendVertices(rgCoord);
 }
 
 void CorridorScanComplexItem::_rebuildTransectsPhase1(void)
-- 
2.22.0