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app.get('/', function(req, res) {
        res.render('index');
    });

    // PROFILE SECTION =========================
    app.get('/profile', isLoggedIn, function(req, res) {
        res.render('profile', {
            user: req.user
        });
    });

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passport.use('local-login', new LocalStrategy({
            // by default, local strategy uses username and password, we will override with email
            usernameField: 'email',
            passwordField: 'password',
            passReqToCallback: true // allows us to pass in the req from our route (lets us check if a user is logged in or not)
        },
        function(req, email, password, done) {
            if (email)
                email = email.toLowerCase(); // Use lower-case e-mails to avoid case-sensitive e-mail matching

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// define the schema for our user model
var userSchema = mongoose.Schema({

    local            : {
        first_name   : String,
        last_name    : String,
        email        : String,
        password     : String,
    },
    facebook         : {

prabod

var express = require('express'),
    bodyParser = require('body-parser'),
    cookieParser = require('cookie-parser'),
    cookieSession = require('cookie-session'),
    serveStatic = require('serve-static'),
    expressValidator = require('express-validator'),
    passport = require('passport'),
    crypto = require('crypto'),
    flash = require('connect-flash'),
    mongoose = require('mongoose'),

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/**
 * Cross two Chromosomes and produce a child Chromosome
 * */
function crossover(chromosome1,chromosome2,rate,geneSize,chromoSize) {

    var rand = Math.random(); // Random value for check crossover chance

    if (rand < rate){

        var vString = [];

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/**
 * Breed a New Generation of Chromosomes
 * */
function breed() {

    var totalFitness = 0;
    var fittest;
    var fit=0;

    /**

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 /**
     * Fitness Function
     * fitness = 1 -    (Square of pixel difference between chromosome and reference Image)
     *                  ____________________________________________________________________
     *                  ( Resolution of the Image * count(RGBA) * Number of Possible Values)
     *
     * This fitness function stays inside [0,1]
     * */
    fitness(width,height){

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/**
     * Generate random DNA for the Initial Generation
     * Value Encoding is used for DNA encoding
     * DNA = [RED, GREEN, BLUE, ALPHA, X1, Y1, X2, Y2, ...]
     * */
    randomGenes(){

        var bString = [];
        for (var i = 0; i < this.chromoSize; i+= this.geneSize){
            /**