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13-Sep-2024 08:46:28

ply_to_tri_surface_test():
  MATLAB/Octave version 9.11.0.2358333 (R2021b) Update 7
  Test ply_to_tri_surface().

ply_to_tri_surface_test01():
  ply_to_tri_surface() reads a PLY file.
  It can return a PLY data structure,
  or a pair ( NODE_XYZ, TRIANGLE_NODE )
  which is a simple triangular mesh.

  Extract nodes and triangles from "sphere.ply"

  The first 5 nodes:

  Row:       1             2             3       
  Col
    1     0.000000    0.000000 -127.000000
    2     5.000000   25.000000 -125.000000
    3    10.000000   24.000000 -125.000000
    4    15.000000   21.000000 -125.000000
    5    19.000000   17.000000 -125.000000

  The first 5 triangles.

  Row:       1        2        3  
  Col

    1        1        2        3  
    2        1        3        4  
    3        1        4        5  
    4        1        5        6  
    5        1        6        7  

  Display the TRI_SURFACE data:
  Graphics saved as "ply_to_tri_surface_test01.png"

ply_to_tri_surface_test02
  ply_to_tri_surface() reads a PLY file as TRI_SURFACE data.
  tri_surface_write() writes the data to a pair of TRI_SURFACE files.

  Extract nodes and triangles from "cube.ply"

  The first 5 nodes:

  Row:       1             2             3       
  Col
    1    -1.000000   -1.000000   -1.000000
    2     1.000000   -1.000000   -1.000000
    3     1.000000    1.000000   -1.000000
    4    -1.000000    1.000000   -1.000000
    5    -1.000000   -1.000000    1.000000

  The first 5 triangles.

  Row:       1        2        3  
  Col

    1        1        2        3  
    2        6        5        8  
    3        7        3        2  
    4        4        8        5  
    5        8        4        3  

  Graphics data written in TRI_SURFACE format to:
  node file     = "cube_nodes.txt".
  triangle file = "cube_elements.txt".

ply_to_tri_surface_test()::
  Normal end of execution.

13-Sep-2024 08:46:34