{"rasterFunctionInfos": [
 {
  "name": "aria_phsig_interferogram",
  "description": "A raster function template.",
  "help": "",
  "functionType": 0,
  "thumbnail": ""
 },
 {
  "name": "None",
  "description": "",
  "help": "",
  "functionType": 0,
  "thumbnail": ""
 }
]}