A simple golang parser for gmsh .msh files
Mesh formats: https://gmsh.info/doc/texinfo/gmsh.html#MSH-file-format
Implemented:
- 2.2 Ascii
TODO:
- 2.2 Bin
- 4.1 Ascii
- 4.1 Bin
Format 4.1:
$MeshFormat
4.1 0 8 MSH4.1, ASCII
$EndMeshFormat
$Nodes
1 6 1 6 1 entity bloc, 6 nodes total, min/max node tags: 1 and 6
2 1 0 6 2D entity (surface) 1, no parametric coordinates, 6 nodes
1 node tag #1
2 node tag #2
3 etc.
4
5
6
0. 0. 0. node #1 coordinates (0., 0., 0.)
1. 0. 0. node #2 coordinates (1., 0., 0.)
1. 1. 0. etc.
0. 1. 0.
2. 0. 0.
2. 1. 0.
$EndNodes
$Elements
1 2 1 2 1 entity bloc, 2 elements total, min/max element tags: 1 and 2
2 1 3 2 2D entity (surface) 1, element type 3 (4-node quad), 2 elements
1 1 2 3 4 quad tag #1, nodes 1 2 3 4
2 2 5 6 3 quad tag #2, nodes 2 5 6 3
$EndElements
$NodeData
1 1 string tag:
"A scalar view" the name of the view ("A scalar view")
1 1 real tag:
0.0 the time value (0.0)
3 3 integer tags:
0 the time step (0; time steps always start at 0)
1 1-component (scalar) field
6 6 associated nodal values
1 0.0 value associated with node #1 (0.0)
2 0.1 value associated with node #2 (0.1)
3 0.2 etc.
4 0.0
5 0.2
6 0.4
$EndNodeData