dreamview: fixed lane marker calculation.

modules/dreamview/frontend/src/components/Navigation/MapNavigator.js

@@ -152,7 +152,7 @@ class MapNavigator {
 
         const lane = [];
         for (let x = 0; x < markerRange; ++x) {
-            const y = -1 * polyval(markerCoef, x);
+            const y = polyval(markerCoef, x);
             const newX = x * Math.cos(heading) - y * Math.sin(heading);
             const newY = y * Math.cos(heading) + x * Math.sin(heading);
             const [plon, plat] = UTMToWGS84(adcX + newX, adcY + newY);