Function tickIncrement

external/.d3.js:640–643

(start, stop, count)

}

function tickIncrement(start, stop, count) {
  stop = +stop, start = +start, count = +count;
  return tickSpec(start, stop, count)[2];
}

function tickStep(start, stop, count) {
  stop = +stop, start = +start, count = +count;