Measurement of plant volume and surface area using 3D mesh data collected by LumaAI (LumaAIで収集した3Dメッシュデータを用いた植物体の体積と表面積の測定)

  • Download 3D mesh data as a obj file
  • Process 3D mesh data using meshmixer
    • Import -> select obj file to open
    • move mouse with right click to rotate the view
    • move mouse with pushing center roller to move the view
    • Edit -> Transform
    • Analysis -> Units/Dimensions
    • convert units if needed
    • right click and drug to set the line to set scale
    • input the actual length of the set line to "Set Target Length"
    • Edit -> Plane Cut
      • Rotate and move the region to extract plant body
      • Cut type: Cut (Discard Half)
      • Fill Type: Remeshed Fill
      • Accept to cut the region
    • Analysis -> Inspector
      • repair the 3D model by filling hole
      • Hole Fill Mode: Smooth Fill
      • Small Thresh: set the optimal size to remove some noises
    • Select
      • Brush Mode: Unwrap Brush
      • Size: set the size of the brush to select region
      • Edit -> separate to separate the selected region
      • Please conduct repair again from Inspector in need
        • Object Browser can be opened from View -> Show Objects Browser
    • Analysis -> Stability
      • Volume and Surface Area can be obtained for selected object
      • Please confirm the value is reasonable