BufferAnalysis

var buffer_analysis = KQ.Query.BufferAnalysis.getInstance();
console.log(buffer_analysis);
try {
  var options = {
    url: 'http://172.16.0.106:8699/KQGis/rest/services',
    data: '{"type":"Polygon","coordinates":[[[104.94105475249448,29.97276304931208],[104.94105475249448,30.028839993667194],[105.00551176529433,30.028839993667194],[105.00551176529433,29.97276304931208],[104.94105475249448,29.97276304931208]]]}',
    geoSRS: 'EPSG:4326',
    outSRS: 'EPSG:4326',
    sideType: 'outer',
    radius: 10000.0,
  };

  buffer_analysis.queryAsync(options,
    function query_good () {
      console.log('query_good');

      var data = buffer_analysis.data();
      console.log('buffer analysis data.length:' + data.length);

      data.forEach(function (d) {
        console.log(d);
      })
    },
    function query_error () {
      console.log('query_error');
    }
  );
}
catch (e) {
  console.log('catch error:' + e);
}