truncate don't round

proj4js · Feb 1, 2017 · 9fb8ccb · 9fb8ccb
1 parent cd156d7
commit 9fb8ccb
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Showing 3 changed files with 14 additions and 6 deletions.
diff --git a/dist/mgrs.js b/dist/mgrs.js
@@ -176,8 +176,8 @@ function LLtoUTM(ll) {
   }
 
   return {
-    northing: Math.round(UTMNorthing),
-    easting: Math.round(UTMEasting),
+    northing: Math.trunc(UTMNorthing),
+    easting: Math.trunc(UTMEasting),
     zoneNumber: ZoneNumber,
     zoneLetter: getLetterDesignator(Lat)
   };

diff --git a/mgrs.js b/mgrs.js
@@ -173,8 +173,8 @@ function LLtoUTM(ll) {
   }
 
   return {
-    northing: Math.round(UTMNorthing),
-    easting: Math.round(UTMEasting),
+    northing: Math.trunc(UTMNorthing),
+    easting: Math.trunc(UTMEasting),
     zoneNumber: ZoneNumber,
     zoneLetter: getLetterDesignator(Lat)
   };

diff --git a/test/test.js b/test/test.js
@@ -10,7 +10,7 @@ describe('First MGRS set', function() {
     point[1].should.be.closeTo(48.24949, 0.000001);
   });
   it('MGRS reference with highest accuracy correct.', function() {
-    mgrs.forward(point).should.equal("33UXP0500444998");
+    mgrs.forward(point).should.equal("33UXP0500444997");
   });
   it('MGRS reference with 1-digit accuracy correct.', function() {
     mgrs.forward(point,1).should.equal(mgrsStr);
@@ -34,4 +34,12 @@ describe('Second MGRS set', function() {
   it('MGRS reference with 5-digit accuracy, northing one digit', function(){
     mgrs.forward([0,0.00001],5).should.equal('31NAA6602100001');
   });
-})
+})
+
+describe ('third mgrs set', function () {
+  var mgrsStr = '11SPA7234911844';
+  var point = [-115.0820944, 36.2361322]
+  it('MGRS reference with highest accuracy correct.', function() {
+    mgrs.forward(point).should.equal(mgrsStr);
+  });
+})