add option to support cross antimeridian px calculations

* also prepare for immediate release of v1.2.0
mapbox · Sep 21, 2021 · eefe39e · eefe39e
2 parents 39c15e4 + a0a7bfc
commit eefe39e
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -1,3 +1,7 @@
+## v1.2.0
+
+- Add support for calculating `px` values for longitudes >180 (@riastrad) [#44](https://github.com/mapbox/sphericalmercator/pull/44)
+
 ## v1.1.0
 
 - Add support for floating point zoom levels in `ll` and `px` methods (@orionstein) [#32](https://github.com/mapbox/sphericalmercator/pull/32)

diff --git a/README.md b/README.md
@@ -18,7 +18,8 @@ Some datatypes are assumed to be arrays: `ll` is `[lon, lat]`, `xy` and `px` are
 ```javascript
 // By default, precomputes up to z30
 var merc = new SphericalMercator({
-    size: 256
+    size: 256,
+    antimeridian: true
 });
 ```
 
@@ -27,6 +28,8 @@ var merc = new SphericalMercator({
 Convert lon, lat to screen pixel x, y from 0, 0 origin, at a certain zoom level.
 The inverse of `ll`
 
+If `antimeridian: true` is passed on initialization of the `SphericalMercator` object, this method will support converting longitude values up to 360°.
+
 ### `ll(px, zoom)`
 
 Convert screen pixel value to lon, lat, at a certain zoom level. The inverse