bezierCortagesToPath = (bezierCortages) => {
let splinePath = d3.path()
let iSart = 1
let iEnd = bezierCortages.length - 3
splinePath.moveTo(bezierCortages[iEnd][4], bezierCortages[iEnd][5])
for (let i = iSart; i <= iEnd; i ++) {
splinePath.bezierCurveTo(...bezierCortages[i])
}
return splinePath.toString()
}