params.action = "instance_data_json";
params.begin = begin || inst.begin;
params.end = end || inst.end;
- params.resolution = Math.round ((params.end - params.begin) / c4.config.width);
+ params.resolution = (params.end - params.begin) / c4.config.width;
$.getJSON ("collection.fcgi", params,
function (data)