diff -r eaa494f0b19e -r 9565569e410c QTfrontend/ui/widget/drawmapwidget.h
--- a/QTfrontend/ui/widget/drawmapwidget.h	Wed Mar 14 19:40:43 2018 +0100
+++ b/QTfrontend/ui/widget/drawmapwidget.h	Wed Mar 14 20:00:09 2018 +0100
@@ -67,6 +67,7 @@
                 graphicsView = new DrawMapView(drawMapWidget);
                 graphicsView->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
                 graphicsView->setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
+                graphicsView->setRenderHint(QPainter::Antialiasing, true);
                 arLayout->addWidget(graphicsView);
 
                 retranslateUi(drawMapWidget);