clustergrammer/src/zoom/ini_zoom_info.js

This is a clustergram implemented in D3.js. I started from the example http://bost.ocks.org/mike/miserables/ and added the following features

module.exports = function ini_zoom_info(){

  var zoom_info = {};
  zoom_info.zoom_x = 1;
  zoom_info.zoom_y = 1;
  zoom_info.trans_x = 0;
  zoom_info.trans_y = 0;

  return zoom_info;

};