trimill.xyz/flaskr/templates/projects/markov/main.js
2022-06-23 02:23:38 -04:00

112 lines
2.7 KiB
JavaScript

const SAMPLES = 500000;
const TRIES = 50000;
const FAILTEXT = 'Input conditions may be impossible: tried ' + TRIES + ' times and failed.';
var minLength = 3;
var maxLength = 10;
var order = 1;
window.onload = function() {
repopulate();
}
function repeatRun(times) {
document.getElementById('results').innerHTML = '';
for(var i = 0; i < times; i++) {
var word = getGoodChainOutput();
if(word == null) {
document.getElementById('results').innerHTML = FAILTEXT;
return;
}
var p = document.createElement("P");
p.className = "nospace";
p.innerHTML = word;
document.getElementById('results').appendChild(p);
}
}
function repeatRunReturn(times) {
var ret = [];
for(var i = 0; i < times; i++) {
var ch = getGoodChainOutput();
if(ch == null) return null;
ret.push(ch);
}
return ret;
}
function getGoodChainOutput() {
var word = runChain();
var i = 0;
while(word.length < minLength || word.length > maxLength) {
word = runChain();
i++
if(i > 5000) return null;
}
return word;
}
function analyze() {
document.getElementById('results').innerHTML = 'Analyzing...';
setTimeout(doAnalyze);
}
function doAnalyze() {
var run = repeatRunReturn(SAMPLES);
if(run == null) {
document.getElementById('results').innerHTML = FAILTEXT;
}
var results = {};
for(var i = 0; i < run.length; i++) {
var w = run[i];
if(results[w] != undefined) results[w] += 1;
else results[w] = 1;
}
var sorted = Object.keys(results).sort(function(a, b) {return results[b]-results[a]});
sorted.splice(50);
var final = '';
for(var i = 0; i < sorted.length; i++) {
final += sorted[i];
var ns = Math.ceil((maxLength+1)/2) - sorted[i].length + 1;
for(var i = 0; i < ns; i++) { final += '&nbsp;'; }
final += '(' + format(Math.round(10000*results[sorted[i]]/SAMPLES)/100, 1, 2) + '%)';
final += '<br>';
}
document.getElementById('results').innerHTML = final;
}
function format(number, wholeDigits, decimalDigits) {
var nstr = String(number);
var parts = nstr.split('.');
var whole = parts[0], decimal = parts[1];
while(whole != null && whole.length < wholeDigits) {
whole = '0' + whole;
}
while(decimal != null && decimal.length < decimalDigits) {
decimal += '0';
}
if(whole == undefined) whole = 0;
if(decimal == undefined) decimal = 0;
return whole + '.' + decimal;
}
function repopulate() {
var corpus = document.getElementById('corpus').value;
populateChain(corpus);
}
function minmax() {
minLength = document.getElementById('min_length').value;
maxLength = document.getElementById('max_length').value;
}
function setOrder() {
order = document.getElementById('markov_order').value;
repopulate();
}
function preset() {
document.getElementById('corpus').value = presets[document.getElementById('preset').value];
repopulate();
}