08-Oct-2025 22:53:53 tri_surface_io_test(): MATLAB/Octave version 6.4.0 Test tri_surface_io(). tri_surface_io_test01(): TRI_SURFACE_SIZE() determines the size of various objects in a TRI_SURFACE file. TRI_SURFACE_SIZE_PRINT: Node file "sphere_nodes.txt". Triangle file "sphere_elements.txt". Spatial dimension = 3 Nodes = 58 Triangle order = 3 Triangles = 112 tri_surface_io_test02(): TRI_SURFACE_READ() reads data from a TRI_SURFACE file. TRI_SURFACE_SIZE_PRINT: Node file "sphere_nodes.txt". Triangle file "sphere_elements.txt". Spatial dimension = 3 Nodes = 58 Triangle order = 3 Triangles = 112 Node coordinates Row: 1 2 3 4 5 Col 1 0.000000 0.382683 0.270598 0.000000 -0.270598 2 0.000000 0.000000 0.270598 0.382683 0.270598 3 -1.000000 -0.923880 -0.923880 -0.923880 -0.923880 Row: 6 7 8 9 10 Col 1 -0.382683 -0.270598 -0.000000 0.270598 0.707107 2 0.000000 -0.270598 -0.382683 -0.270598 0.000000 3 -0.923880 -0.923880 -0.923880 -0.923880 -0.707107 Row: 11 12 13 14 15 Col 1 0.500000 0.000000 -0.500000 -0.707107 -0.500000 2 0.500000 0.707107 0.500000 0.000000 -0.500000 3 -0.707107 -0.707107 -0.707107 -0.707107 -0.707107 Row: 16 17 18 19 20 Col 1 -0.000000 0.500000 0.923880 0.653281 0.000000 2 -0.707107 -0.500000 0.000000 0.653281 0.923880 3 -0.707107 -0.707107 -0.382683 -0.382683 -0.382683 Row: 21 22 23 24 25 Col 1 -0.653281 -0.923880 -0.653281 -0.000000 0.653281 2 0.653281 0.000000 -0.653281 -0.923880 -0.653281 3 -0.382683 -0.382683 -0.382683 -0.382683 -0.382683 Row: 26 27 28 29 30 Col 1 1.000000 0.707107 0.000000 -0.707107 -1.000000 2 0.000000 0.707107 1.000000 0.707107 0.000000 3 0.000000 0.000000 0.000000 0.000000 0.000000 Row: 31 32 33 34 35 Col 1 -0.707107 -0.000000 0.707107 0.923880 0.653281 2 -0.707107 -1.000000 -0.707107 0.000000 0.653281 3 0.000000 0.000000 0.000000 0.382683 0.382683 Row: 36 37 38 39 40 Col 1 0.000000 -0.653281 -0.923880 -0.653281 -0.000000 2 0.923880 0.653281 0.000000 -0.653281 -0.923880 3 0.382683 0.382683 0.382683 0.382683 0.382683 Row: 41 42 43 44 45 Col 1 0.653281 0.707107 0.500000 0.000000 -0.500000 2 -0.653281 0.000000 0.500000 0.707107 0.500000 3 0.382683 0.707107 0.707107 0.707107 0.707107 Row: 46 47 48 49 50 Col 1 -0.707107 -0.500000 -0.000000 0.500000 0.382683 2 0.000000 -0.500000 -0.707107 -0.500000 0.000000 3 0.707107 0.707107 0.707107 0.707107 0.923880 Row: 51 52 53 54 55 Col 1 0.270598 0.000000 -0.270598 -0.382683 -0.270598 2 0.270598 0.382683 0.270598 0.000000 -0.270598 3 0.923880 0.923880 0.923880 0.923880 0.923880 Row: 56 57 58 Col 1 -0.000000 0.270598 0.000000 2 -0.382683 -0.270598 0.000000 3 0.923880 0.923880 1.000000 Triangle nodes Row: 1 2 3 4 5 6 7 8 9 10 Col 1 3 4 5 6 7 8 9 2 2 11 2 2 3 4 5 6 7 8 9 3 10 3 1 1 1 1 1 1 1 1 10 3 Row: 11 12 13 14 15 16 17 18 19 20 Col 1 3 12 4 13 5 14 6 15 7 16 2 4 11 5 12 6 13 7 14 8 15 3 11 4 12 5 13 6 14 7 15 8 Row: 21 22 23 24 25 26 27 28 29 30 Col 1 8 17 9 10 10 19 11 20 12 21 2 9 16 2 17 11 18 12 19 13 20 3 16 9 17 2 18 11 19 12 20 13 Row: 31 32 33 34 35 36 37 38 39 40 Col 1 13 22 14 23 15 24 16 25 17 18 2 14 21 15 22 16 23 17 24 10 25 3 21 14 22 15 23 16 24 17 25 10 Row: 41 42 43 44 45 46 47 48 49 50 Col 1 18 27 19 28 20 29 21 30 22 31 2 19 26 20 27 21 28 22 29 23 30 3 26 19 27 20 28 21 29 22 30 23 Row: 51 52 53 54 55 56 57 58 59 60 Col 1 23 32 24 33 25 26 26 35 27 36 2 24 31 25 32 18 33 27 34 28 35 3 31 24 32 25 33 18 34 27 35 28 Row: 61 62 63 64 65 66 67 68 69 70 Col 1 28 37 29 38 30 39 31 40 32 41 2 29 36 30 37 31 38 32 39 33 40 3 36 29 37 30 38 31 39 32 40 33 Row: 71 72 73 74 75 76 77 78 79 80 Col 1 33 34 34 43 35 44 36 45 37 46 2 26 41 35 42 36 43 37 44 38 45 3 41 26 42 35 43 36 44 37 45 38 Row: 81 82 83 84 85 86 87 88 89 90 Col 1 38 47 39 48 40 49 41 42 42 51 2 39 46 40 47 41 48 34 49 43 50 3 46 39 47 40 48 41 49 34 50 43 Row: 91 92 93 94 95 96 97 98 99 100 Col 1 43 52 44 53 45 54 46 55 47 56 2 44 51 45 52 46 53 47 54 48 55 3 51 44 52 45 53 46 54 47 55 48 Row: 101 102 103 104 105 106 107 108 109 110 Col 1 48 57 49 50 50 51 52 53 54 55 2 49 56 42 57 51 52 53 54 55 56 3 56 49 57 42 58 58 58 58 58 58 Row: 111 112 Col 1 56 57 2 57 50 3 58 58 tri_surface_io_test03(): tri_surface_write() writes TRI_SURFACE data to two files. Graphics data was written to: Node file: "cube_nodes.txt", Triangle file: "cube_elements.txt". tri_surface_io_test: Normal end of execution. 08-Oct-2025 22:53:54