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add an upgrade note about the new pinchZoom behavior

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Axel Utech
2016-12-09 18:03:20 +01:00
parent f5a27d2788
commit 61ac0c47ed
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changelog/upgrade-notes.md
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@@ -51,6 +51,19 @@ ol.proj.getPointResolution(projection, resolution, point);
Note that if you were previously creating a projection with a `getPointResolution` function in the constructor (or calling `projection.setGetPointResolution()` after construction), this function will be used by `ol.proj.getPointResolution()`.
#### `ol.interaction.PinchZoom` no longer zooms to a whole-number zoom level after the gesture ends
The old behavior of `ol.interaction.PinchZoom` was to zoom to the next integer zoom level after the user ends the gesture.
Now the pinch zoom keeps the user selected zoom level even if it is a fractional zoom.
To get the old behavior set the new `constrainResolution` parameter to `true` like this:
```js
new ol.interaction.PinchZoom({constrainResolution: true})
```
See the new `pinchZoom` example for a complete implementation.
### v3.19.1
#### `ol.style.Fill` with `CanvasGradient` or `CanvasPattern`