Tst pbif pdf generation witj 400,000 images

node_pdfkit_writetest.js

var PDFDocument = require('pdfkit');
var ML=2000
var MC=200
var px=6000/ML
var py=4000/MC
doc = new PDFDocument({margin: 10,size: [6000,4000]});
for (var col=0;col<ML*px;col+=px)
  for (var li=0;li<MC*py;li+=py) 
    doc.image('test.png', col,li,{fit:[px,py]});
  
console.log("Created "+(MC*ML)+" images, write...")
doc.write('out.pdf');