gistfile1.txt

/** torque_heat visualization */

Map {
-torque-frame-count:1;
-torque-animation-duration:10;
-torque-time-attribute:"cartodb_id";
-torque-aggregation-function:"count(cartodb_id)";
-torque-resolution:2;
-torque-data-aggregation:linear;
}

#altfuelstationsapr42012{
  image-filters: colorize-alpha(red, orange, yellow, lightgreen, cyan, blue);
  marker-file: url(http://s3.amazonaws.com/com.cartodb.assets.static/alphamarker.png);
  marker-fill-opacity: 0.4;
  marker-width: 11.5;
}
#altfuelstationsapr42012[frame-offset=1] {
 marker-width:13.5;
 marker-fill-opacity:0.2; 
}
#altfuelstationsapr42012[frame-offset=2] {
 marker-width:15.5;
 marker-fill-opacity:0.1; 
}