Fix measurement calculation (#53)

Author: igoroctaviano

src/scoord3dUtils.js

@@ -367,7 +367,7 @@ function getFeatureScoord3dLength (feature, pyramid) {
       let yLen = p2[1] - p1[1]
       xLen *= xLen
       yLen *= yLen
-      return Math.sqrt(xLen + yLen)
+      return Math.sqrt(xLen + yLen) * 1000
     }
   }
 }
@@ -395,7 +395,7 @@ function getFeatureScoord3dArea (feature, pyramid) {
       const scoord3dCoordinates = geometry
         .getCoordinates()[0]
         .map((c) => geometryCoordinates2scoord3dCoordinates(c, pyramid))
-      return areaOfPolygon(scoord3dCoordinates)
+      return areaOfPolygon(scoord3dCoordinates) * 1000
     }
   }
 }