Function _parseLengthData

demo/js/index.js:6079–6107

(obj, resolution)

				}
			},
			_parseLengthData = function(obj, resolution) {
				resolution = resolution >> 0 || 6;
				var a = [],
					lengths = [],
					d = 0,
					total = 0,
					threshold = resolution - 1,
					segments = [],
					curLS = [], //current length segments array
					p, i, l, index;
				for (p in obj) {
					_addCubicLengths(obj[p], a, resolution);
				}
				l = a.length;
				for (i = 0; i < l; i++) {
					d += Math.sqrt(a[i]);
					index = i % resolution;
					curLS[index] = d;
					if (index === threshold) {
						total += d;
						index = (i / resolution) >> 0;
						segments[index] = curLS;
						lengths[index] = total;
						d = 0;
						curLS = [];
					}
				}
				return {length:total, lengths:lengths, segments:segments};
			},