{
  "id" : 236,
  "name" : "曲率",
  "parentLayerId" : 235,
  "defaultVisibility" : true,
  "subLayerIds" : [ 237, 238 ],
  "minScale" : 0,
  "maxScale" : 0,
  "type" : "Group Layer",
  "supportsDynamicLegends" : false
}