Function calculatePathTweenPoints

chapter18/docs/d3-graphviz.js:1063–1073

(datum, prevDatum)

      }
    }
    function calculatePathTweenPoints(datum, prevDatum) {
      if (tweenPaths && prevDatum && (prevDatum.tag == 'path' || datum.alternativeOld && datum.alternativeOld.tag == 'path')) {
        var attribute_d = (datum.alternativeNew || datum).attributes.d;
        if (datum.alternativeOld) {
          var oldNode = createElementWithAttributes(datum.alternativeOld);
        } else {
          var oldNode = createElementWithAttributes(prevDatum);
        }
        (datum.alternativeOld || (datum.alternativeOld = {})).points = pathTweenPoints(oldNode, attribute_d, tweenPrecision, tweenPrecisionIsRelative);
      }
    }
    function postProcessDataPass1Local(datum) {
      var index = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 0;
      var parentData = arguments.length > 2 ? arguments[2] : undefined;