tilebelt - npm Package Compare versions

Comparing version 1.0.0 to 1.0.1

index.js

@@ -7,3 +7,3 @@ // a tile is an array [x,y,z]
     var e = tile2lon(tile[0]+1,tile[2]);
-    var w = tile2lon(tile[0],tile[2]);    
+    var w = tile2lon(tile[0],tile[2]);
     var s = tile2lat(tile[1]+1,tile[2]);
@@ -18,3 +18,3 @@ var n = tile2lat(tile[1],tile[2]);
         type: 'Polygon',
-        coordinates: 
+        coordinates:
             [
@@ -170,9 +170,7 @@ [
 function pointToTileFraction(lon, lat, z) {
-    var latr = lat*d2r,
-        z2 = Math.pow(2, z);
-    return [
-        (lon+180)/360*z2,
-        (1-Math.log(Math.tan(latr) + 1/Math.cos(latr))/Math.PI)/2 *z2,
-        z
-    ];
+    var sin = Math.sin(lat * d2r),
+        z2 = Math.pow(2, z),
+        x = z2 * (lon / 360 + 0.5),
+        y = z2 * (0.5 - 0.25 * Math.log((1 + sin) / (1 - sin)) / Math.PI);
+    return [x, y, z];
 }
@@ -179,0 +177,0 @@

package.json

 {
   "name": "tilebelt",
-  "version": "1.0.0",
+  "version": "1.0.1",
   "description": "simple tile utilities",
   "main": "index.js",
   "scripts": {
-    "test": "tap test.js --cov"
+    "test": "tap test.js --cov",
+    "bench": "node bench.js"
   },
@@ -26,5 +27,5 @@ "repository": {
     "benchmark": "~1.0.0",
-    "tap": "^1.2.0"
+    "tap": "^1.3.4"
   },
   "dependencies": {}
 }

README.md

@@ -47,1 +47,7 @@ tilebelt
 ```
+
+## benchmarks
+
+```bash
+npm run bench
+```

New alerts

License Policy Violation

License

This package is not allowed per your license policy. Review the package's license to ensure compliance.

Found 1 instance in 1 package

Fixed alerts

License Policy Violation

License

This package is not allowed per your license policy. Review the package's license to ensure compliance.

Found 1 instance in 1 package

Improved metrics

Total package byte prevSize

27551

increased by7.82%

Number of package files

10

increased by11.11%

Lines of code

405

increased by20.18%

Number of lines in readme file

52

increased by10.64%

No dependency changes