roadway-design-compiler.gandidhyaneswar.workers.dev

{
  "type": "object",
  "properties": {
    "name": {
      "type": "string",
      "description": "Alignment name."
    },
    "rationale": {
      "type": "string",
      "description": "Brief engineering rationale: why these radii, grades and K values."
    },
    "beginStation": {
      "type": "number",
      "description": "Begin station in feet."
    },
    "startE": {
      "type": "number",
      "description": "Start easting, US survey feet."
    },
    "startN": {
      "type": "number",
      "description": "Start northing, US survey feet."
    },
    "startAzimuthDeg": {
      "type": "number",
      "description": "Start heading, degrees clockwise from north (0-360)."
    },
    "elements": {
      "type": "array",
      "description": "Horizontal elements in order. Each is {type:'tangent',length} or {type:'arc',radius,deltaDeg,direction} or {type:'deflection',deflectionDeg,direction}.",
      "items": {
        "type": "object"
      }
    },
    "pvis": {
      "type": "array",
      "description": "Vertical PVIs in increasing station order, each {station,elevation,curveLength?}. At least two. The first and last must not carry curveLength.",
      "items": {
        "type": "object"
      }
    },
    "commit": {
      "type": "boolean",
      "description": "false (the default) PREVIEWS: it computes the consequence and changes nothing. true applies the change. Preview first; a licensed engineer confirms."
    }
  },
  "required": [
    "name",
    "rationale",
    "beginStation",
    "startE",
    "startN",
    "startAzimuthDeg",
    "elements",
    "pvis"
  ]
}