title: How to draw a "infinite" line using Raphael.js?
body: <p>I am building a line graph application using Raphael.js and need to draw a line that passes through two points and reach the viewport. </p>
  
  <p>I have uploaded a mockup that shows what I need to achieve:
  <img src="https://i.stack.imgur.com/kVU20.png" alt="enter image description here"></p>
  
  <p>Any help is appreciated.</p>
  
  <p>Thanks</p>