import gmsh
gmsh.initialize(append!(["gmsh"], ARGS))
gmsh.model.add("test");
# add discrete surface with tag 1
gmsh.model.addDiscreteEntity(2, 1)
# add 4 mesh nodes
gmsh.model.mesh.addNodes(2, 1,
[1, 2, 3, 4], # node tags: 1, 2, 3, and 4
[0., 0., 0., # coordinates of node 1
1., 0., 0., # coordinates of node 2
1., 1., 0., # ...
0., 1., 0.])
# add 2 triangles
gmsh.model.mesh.addElements(2, 1,
[2], # single type : 3-node triangle
[[1, 2]], # triangle tags: 1 and 2
[[1, 2, 3, # triangle 1: nodes 1, 2, 3
1, 3, 4]]) # triangle 2: nodes 1, 3, 4
# export the mesh ; use explore.py to read and examine the mesh
gmsh.write("test.msh")
gmsh.finalize()
Generated by dwww version 1.15 on Thu Jun 20 16:50:35 CEST 2024.