torque/docs/reference/03-L.TorqueLayer.md

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2018-04-12 19:01:17 +08:00
### L.TorqueLayer
A layer to be added to a Leaflet map. It works as a regular tiled layer within the Leaflet tile pane, but instead of containing `<img>` elements, it's composed of a single [`<canvas>`](https://developer.mozilla.org/en-US/docs/Web/API/Canvas_API) where all markers are drawn.
**Example:**
```javascript
var torqueLayer = new L.TorqueLayer({
user: 'viz2',
table: 'ow',
cartocss: '<cartocss here>'
});
map.addLayer(torqueLayer);
```
#### Options
Name | Description
--- | ---
cartocss | A string object, the CartoCSS style for the map. Default value is ```null```
loop | A boolean object that defines the animation loop. Default value is ```true```. If ```false```, the animation is paused when it reaches the last frame
resolution | Spatial resolution in pixels. A resolution of 1 means no spatial aggregation of the data. Its value must be a power of 2
steps | Number of steps that the animation is divided into
animationDuration | Duration, in seconds, of the animation
zIndex | Z-Index CSS property of the layer
attribution | Attribution to be added in the bottom right of the map
maxZoom | Maximum zoom for the layer.
tileSize | Size, in pixels of the tiles