only need to check lonlat[0] === BADNUM

- to determine if calcdata item should be skipped

Author: etpinard

src/lib/geojson_utils.js

@@ -33,7 +33,7 @@ exports.calcTraceToLineCoords = function(calcTrace) {
         var calcPt = calcTrace[i];
         var lonlat = calcPt.lonlat;
 
-        if(lonlat[0] !== BADNUM && lonlat[1] !== BADNUM) {
+        if(lonlat[0] !== BADNUM) {
             lineString.push(lonlat);
         } else if(!connectgaps && lineString.length > 0) {
             coords.push(lineString);

src/traces/scattergeo/hover.js

@@ -31,7 +31,7 @@ module.exports = function hoverPoints(pointData) {
     function distFn(d) {
         var lonlat = d.lonlat;
 
-        if(lonlat[0] === BADNUM || lonlat[1] === BADNUM) return Infinity;
+        if(lonlat[0] === BADNUM) return Infinity;
 
         if(geo.isLonLatOverEdges(lonlat)) return Infinity;
 

src/traces/scattergeo/plot.js

@@ -27,8 +27,7 @@ module.exports = function plot(geo, calcData) {
     function keyFunc(d) { return d[0].trace.uid; }
 
     function removeBADNUM(d, node) {
-        var lonlat = d.lonlat;
-        if(lonlat[0] === BADNUM || lonlat[1] === BADNUM) {
+        if(d.lonlat[0] === BADNUM) {
             d3.select(node).remove();
         }
     }