[
  {
    "name": "Sella–Nasion (SN) Plane",
    "points": ["S", "N"],
    "style": { "stroke": "black", "strokeWidth": 2, "strokeDasharray": "4,2" },
    "technique": "line",
    "isReferencePlane": true,
    "category": "skeletal"
  },
  {
    "name": "Frankfort Horizontal (FH) Plane",
    "points": ["Po", "Or"],
    "style": { "stroke": "black", "strokeWidth": 2, "strokeDasharray": "4,2" },
    "technique": "line",
    "isReferencePlane": true,
    "category": "skeletal"
  },
  {
    "name": "Mandibular Plane (Go–Me)",
    "points": ["Go", "Me"],
    "style": { "stroke": "green", "strokeWidth": 2, "strokeDasharray": "4,2" },
    "technique": "line",
    "isReferencePlane": true,
    "category": "skeletal"
  },
  {
    "name": "Palatal Plane (ANS–PNS)",
    "points": ["ANS", "PNS"],
    "style": { "stroke": "orange", "strokeWidth": 2, "strokeDasharray": "4,2" },
    "technique": "line",
    "isReferencePlane": true,
    "category": "skeletal"
  },
  {
    "name": "Cranial Base (S–N–Fr)",
    "points": ["S", "N", "Fr"],
    "style": { "stroke": "black", "strokeWidth": 1 },
    "technique": "line",
    "category": "skeletal"
  },
  {
    "name": "Mandible Contour",
    "points": ["Ar", "Go", "Gn", "Me", "Pg", "B", "A"],
    "style": { "stroke": "green", "strokeWidth": 2 },
    "technique": "bezier",
    "category": "skeletal"
  },
  {
    "name": "Hard Palate (Nasal Floor)",
    "points": ["ANS", "PNS"],
    "style": { "stroke": "brown", "strokeWidth": 2 },
    "technique": "bezier",
    "category": "skeletal"
  },
  {
    "name": "Upper Incisor Axis",
    "points": ["U1_apex", "U1_tip"],
    "style": { "stroke": "red", "strokeWidth": 2 },
    "technique": "line",
    "category": "dental"
  },
  {
    "name": "Lower Incisor Axis",
    "points": ["L1_apex", "L1_tip"],
    "style": { "stroke": "blue", "strokeWidth": 2 },
    "technique": "line",
    "category": "dental"
  },
  {
    "name": "Occlusal Plane",
    "points": ["U1_tip", "L1_tip"],
    "style": { "stroke": "brown", "strokeWidth": 2, "strokeDasharray": "4,2" },
    "technique": "line",
    "isReferencePlane": true,
    "category": "dental"
  },
  {
    "name": "Soft Tissue Profile",
    "points": ["G'", "N'", "Prn", "Sn", "Ls", "Stms", "Stmi", "Li", "Pog'", "Me'"],
    "style": { "stroke": "purple", "strokeWidth": 2 },
    "technique": "spline",
    "category": "soft"
  },
  {
    "name": "Steiner’s S‑Line",
    "points": ["Sn", "Pog'"],
    "style": { "stroke": "magenta", "strokeWidth": 2, "strokeDasharray": "4,2" },
    "technique": "line",
    "isReferencePlane": true,
    "category": "soft"
  }
]