addon/utils/graph-view.js
function onMouseMove(event) {
    panX += event.pageX - prevX;
    panY += event.pageY - prevY;

    transform();

    prevX = event.pageX;
    prevY = event.pageY;
  }
function onMouseMove(event) {
    panX += event.pageX - prevX;
    panY += event.pageY - prevY;

    transform();

    prevX = event.pageX;
    prevY = event.pageY;
  }
function onMouseMove ( event ) { panX += event . pageX - prevX ; panY += event . pageY - prevY ; transform ( ) ; prevX = event . pageX ; prevY = event . pageY ; }
Set pan values
Set pan values