global-mercator - npm Package Compare versions

Comparing version 2.8.1 to 2.8.2

index.js

@@ -415,2 +415,3 @@ var originShift = 2 * Math.PI * 6378137 / 2.0
   var quadkey = ''
+  ty = (Math.pow(2, zoom) - 1) - ty
   range(zoom, 0, -1).map(function (i) {
@@ -417,0 +418,0 @@ var digit = 0

package.json

 {
   "name": "global-mercator",
-  "version": "2.8.1",
+  "version": "2.8.2",
   "description": "Tools to help with TMS, Quadkey & Google (XYZ) Tiles",
@@ -5,0 +5,0 @@ "repository": {

README.md

@@ -62,4 +62,6 @@ # [Global Mercator](https://www.npmjs.com/package/global-mercator)
 | [validTile(tile)](#validtile)                     | Valid Tile                                                |
-| [longitude(degree)](#longitude)                     | Modifies a Longitude to fit within +/-180 degrees.                                                |
-| [latitude(degree)](#latitude)                     | Modifies a Latitude to fit within +/-90 degrees.                                                |
+| [longitude(degree)](#longitude)                   | Modifies a Longitude to fit within +/-180 degrees.        |
+| [latitude(degree)](#latitude)                     | Modifies a Latitude to fit within +/-90 degrees.          |
+| [pointToTile(lnglat, zoom)](#pointtotile)                     | Get the tile for a point at a specified zoom level          |
+| [pointToTileFraction(lnglat, zoom)](#pointtotilefraction)                     | Get the precise fractional tile location for a point at a zoom level          |
 
@@ -87,2 +89,33 @@ ## API
 
+### pointToTile
+
+Get the tile for a point at a specified zoom level
+<https://github.com/mapbox/tilebelt>
+
+**Parameters**
+
+-   `lnglat` **\[[number](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number), [number](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number)]** [Longitude, Latitude]
+-   `zoom` **[number](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number)** Zoom level
+
+**Examples**
+
+```javascript
+var tile = mercator.pointToTile([1, 1], 12)
+//= [ 2059, 2036, 12 ]
+```
+
+### pointToTileFraction
+
+Get the precise fractional tile location for a point at a zoom level
+<https://github.com/mapbox/tilebelt>
+
+**Parameters**
+
+-   `lnglat` **\[[number](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number), [number](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number)]** [Longitude, Latitude]
+-   `zoom` **[number](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number)** Zoom level
+
+Returns **\[[number](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number), [number](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number), [number](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number)]** tile fraction
+var tile = mercator.pointToTileFraction([1, 1], 12)
+//= [ 2059.3777777777777, 2036.6216445333432, 12 ]
+
 ### bboxToCenter
@@ -111,3 +144,3 @@
 
--   `lnglat` **LngLat** Longitude (Meridians) & Latitude (Parallels) in decimal degrees
+-   `lnglat` **\[[number](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number), [number](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number)]** [Longitude, Latitude]
 -   `validate` **[boolean](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Boolean)** validates LatLng coordinates (optional, default `true`)
@@ -166,3 +199,3 @@
 
--   `lnglat` **LngLat** Longitude (Meridians) & Latitude (Parallels) in decimal degrees
+-   `lnglat` **\[[number](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number), [number](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number)]** [Longitude, Latitude]
 -   `zoom` **[number](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number)** Zoom level
@@ -186,3 +219,3 @@ -   `validate` **[boolean](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Boolean)** validates LatLng coordinates (optional, default `true`)
 
--   `lnglat` **LngLat** Longitude (Meridians) & Latitude (Parallels) in decimal degrees
+-   `lnglat` **\[[number](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number), [number](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number)]** [Longitude, Latitude]
 -   `zoom` **[number](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number)** Zoom level
@@ -507,3 +540,3 @@ -   `validate` **[boolean](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Boolean)** validates LatLng coordinates (optional, default `true`)
 
--   `lnglat` **LngLat** Longitude (Meridians) & Latitude (Parallels) in decimal degrees
+-   `lnglat` **\[[number](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number), [number](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number)]** [Longitude, Latitude]
 -   `validate` **[boolean](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Boolean)** validates LatLng coordinates (optional, default `true`)
@@ -510,0 +543,0 @@

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

47864

increased by5.23%

Lines of code

750

increased by0.13%

Number of lines in readme file

622

increased by5.6%

No dependency changes