Function boxEmpty

stackgl_modules/index.js:6310–6317

(d, box)

var boxIntersectIter = __webpack_require__(7150)

function boxEmpty(d, box) {
  for(var j=0; j<d; ++j) {
    if(!(box[j] <= box[j+d])) {
      return true
    }
  }
  return false
}

//Unpack boxes into a flat typed array, remove empty boxes
function convertBoxes(boxes, d, data, ids) {