text: const util = require('util');
  const graphviz = require('graphviz');
  const fs=require("fs");
  const netJson = require('./dEye.json');
  const NetJson2Dot = require('./net2dot.js');
  let netOfDot = new NetJson2Dot(netJson);
  netOfDot.write();
  
  const JsonNetLoader = require('./JsonNetLoader.js');
  const net = new JsonNetLoader(netJson);
  //console.log('::net=<',JSON.stringify(net,undefined,true),'>');
  
  const ImageLoaderCV = require('./ImageLoaderCV.js');
  const img = new ImageLoaderCV('./input/IMG_6043.JPG',net);
  const inputVectors = img.crashGray();
  //console.log('::inputVectors=<',inputVectors,'>');
  const PreTrain = require('./PreTrain.js');
  const pre = new PreTrain(net);
  pre.step(inputVectors);
  
  