28 March 2023 6:29:54.869 PM STRIPACK_PRB3 FORTRAN90 version Have TRMESH create the Delaunay triangulation of points on a sphere. Have TRLIST return the triangle vertices, and the triangle neighbors. Data points: Row 1 2 3 Col 1: 0.915568 -0.257797 -0.308668 2: -0.171751 0.901345 0.397592 3: 0.541822 0.447986 -0.711152 4: -0.620052 -0.745456 0.244603 5: 0.262807E-01 -0.894727 0.445840 6: 0.167158E-01 -0.591520 0.806117 7: 0.987108 0.846611E-01 0.135834 8: -0.220974 0.974193 0.460176E-01 9: 0.679580 -0.416543 -0.603873 10: 0.936980 -0.375368E-01 0.347361 Number of triangles = 16 Check Euler's formula: Faces = 16 Vertices = 10 Edges = 24 F+V-E-2 = 0 Delaunay triangles: Row 1 2 3 Col 1: 1 7 10 2: 1 10 5 3: 1 5 9 4: 1 9 3 5: 1 3 7 6: 2 8 4 7: 2 4 6 8: 2 6 10 9: 2 10 7 10: 2 7 8 11: 3 9 4 12: 3 4 8 13: 3 8 7 14: 4 9 5 15: 4 5 6 16: 5 10 6 Triangle neighbors: Row 1 2 3 Col 1: 9 2 5 2: 16 3 1 3: 14 4 2 4: 11 5 3 5: 13 1 4 6: 12 7 10 7: 15 8 6 8: 16 9 7 9: 1 10 8 10: 13 6 9 11: 14 12 4 12: 6 13 11 13: 10 5 12 14: 3 15 11 15: 16 7 14 16: 8 15 2 Spherical area of triangles: 1: 0.68950287E-01 2: 0.58807231 3: 0.36554555 4: 0.20080066 5: 0.29487983 6: 0.61452252 7: 1.2530835 8: 1.4492844 9: 0.26174284 10: 0.38464567 11: 1.1733477 12: 3.8249532 13: 0.91270867 14: 0.64458545 15: 0.17884589 16: 0.35040208 Area sum = 12.5664 4*PI = 12.5664 STRIPACK_PRB3: Normal end of execution. 28 March 2023 6:29:54.869 PM