torque/docs/reference/09-style-methods.md

Style Methods

Method	Options	Returns	Description
setCartoCSS(cartocss)	cartocss string	this	style the map rendering using client-side CartoCSS (not available with Named maps)

Torque supports a limited subset of CartoCSS rules defined in the torque-reference. To see the full list of supported rules, read the Torque CartoCSS documentation. value and zoom variables can be used. value is the value of aggregation. zoom is the current zoom being rendered.

TorqueLayer currently expects marker styling.

Example:

/* This is how a minimal example of a stylesheet for a Torque visualisation would look like. */

Map {
  -torque-time-attribute: "date";
  -torque-aggregation-function: "count(cartodb_id)";
  -torque-frame-count: 760;
  -torque-animation-duration: 15;
  -torque-resolution: 2;
}
#layer {
  marker-width: 3;
  marker-fill-opacity: 0.8;
  marker-fill: #FEE391; 
}
#layer[value = 4] { // Use of the value variable, generated by the function specified in -torque-aggregation-function
  marker-fill: #FABADA; 
}
#layer[zoom = 12] { // Use of the zoom variable
  marker-width: 10;
}